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!(function(root, factory) {
if (typeof define === 'function' && define.amd) {
define(['jquery'], factory);
} else if (typeof exports === 'object') {
factory(require('jquery'));
} else {
factory(root.jQuery);
}
})(this, function($) {
'use strict';
/**
* Name of the plugin
* @private
* @const
* @type {String}
*/
var PLUGIN_NAME = 'vide';
/**
* Default settings
* @private
* @const
* @type {Object}
*/
var DEFAULTS = {
volume: 1,
playbackRate: 1,
muted: true,
loop: true,
autoplay: true,
position: '50% 50%',
posterType: 'detect',
resizing: true,
bgColor: 'transparent',
className: ''
};
/**
* Not implemented error message
* @private
* @const
* @type {String}
*/
var NOT_IMPLEMENTED_MSG = 'Not implemented';
/**
* Parse a string with options
* @private
* @param {String} str
* @returns {Object|String}
*/
function parseOptions(str) {
var obj = {};
var delimiterIndex;
var option;
var prop;
var val;
var arr;
var len;
var i;
// Remove spaces around delimiters and split
arr = str.replace(/\s*:\s*/g, ':').replace(/\s*,\s*/g, ',').split(',');
// Parse a string
for (i = 0, len = arr.length; i < len; i++) {
option = arr[i];
// Ignore urls and a string without colon delimiters
if (
option.search(/^(http|https|ftp):\/\//) !== -1 ||
option.search(':') === -1
) {
break;
}
delimiterIndex = option.indexOf(':');
prop = option.substring(0, delimiterIndex);
val = option.substring(delimiterIndex + 1);
// If val is an empty string, make it undefined
if (!val) {
val = undefined;
}
// Convert a string value if it is like a boolean
if (typeof val === 'string') {
val = val === 'true' || (val === 'false' ? false : val);
}
// Convert a string value if it is like a number
if (typeof val === 'string') {
val = !isNaN(val) ? +val : val;
}
obj[prop] = val;
}
// If nothing is parsed
if (prop == null && val == null) {
return str;
}
return obj;
}
/**
* Parse a position option
* @private
* @param {String} str
* @returns {Object}
*/
function parsePosition(str) {
str = '' + str;
// Default value is a center
var args = str.split(/\s+/);
var x = '50%';
var y = '50%';
var len;
var arg;
var i;
for (i = 0, len = args.length; i < len; i++) {
arg = args[i];
// Convert values
if (arg === 'left') {
x = '0%';
} else if (arg === 'right') {
x = '100%';
} else if (arg === 'top') {
y = '0%';
} else if (arg === 'bottom') {
y = '100%';
} else if (arg === 'center') {
if (i === 0) {
x = '50%';
} else {
y = '50%';
}
} else {
if (i === 0) {
x = arg;
} else {
y = arg;
}
}
}
return { x: x, y: y };
}
/**
* Search a poster
* @private
* @param {String} path
* @param {Function} callback
*/
function findPoster(path, callback) {
var onLoad = function() {
callback(this.src);
};
$('').on('load', onLoad);
$('').on('load', onLoad);
$('').on('load', onLoad);
$('').on('load', onLoad);
}
/**
* Vide constructor
* @param {HTMLElement} element
* @param {Object|String} path
* @param {Object|String} options
* @constructor
*/
function Vide(element, path, options) {
this.$element = $(element);
// Parse path
if (typeof path === 'string') {
path = parseOptions(path);
}
// Parse options
if (!options) {
options = {};
} else if (typeof options === 'string') {
options = parseOptions(options);
}
// Remove an extension
if (typeof path === 'string') {
path = path.replace(/\.\w*$/, '');
} else if (typeof path === 'object') {
for (var i in path) {
if (path.hasOwnProperty(i)) {
path[i] = path[i].replace(/\.\w*$/, '');
}
}
}
this.settings = $.extend({}, DEFAULTS, options);
this.path = path;
// https://github.com/VodkaBears/Vide/issues/110
try {
this.init();
} catch (e) {
if (e.message !== NOT_IMPLEMENTED_MSG) {
throw e;
}
}
}
/**
* Initialization
* @public
*/
Vide.prototype.init = function() {
var vide = this;
var path = vide.path;
var poster = path;
var sources = '';
var $element = vide.$element;
var settings = vide.settings;
var position = parsePosition(settings.position);
var posterType = settings.posterType;
var $video;
var $wrapper;
// Set styles of a video wrapper
$wrapper = vide.$wrapper = $('
')
.addClass(settings.className)
.css({
position: 'absolute',
'z-index': -1,
top: 0,
left: 0,
bottom: 0,
right: 0,
overflow: 'hidden',
'-webkit-background-size': 'cover',
'-moz-background-size': 'cover',
'-o-background-size': 'cover',
'background-size': 'cover',
'background-color': settings.bgColor,
'background-repeat': 'no-repeat',
'background-position': position.x + ' ' + position.y
});
// Get a poster path
if (typeof path === 'object') {
if (path.poster) {
poster = path.poster;
} else {
if (path.mp4) {
poster = path.mp4;
} else if (path.webm) {
poster = path.webm;
} else if (path.ogv) {
poster = path.ogv;
}
}
}
// Set a video poster
if (posterType === 'detect') {
findPoster(poster, function(url) {
$wrapper.css('background-image', 'url(' + url + ')');
});
} else if (posterType !== 'none') {
$wrapper.css('background-image', 'url(' + poster + '.' + posterType + ')');
}
// If a parent element has a static position, make it relative
if ($element.css('position') === 'static') {
$element.css('position', 'relative');
}
$element.prepend($wrapper);
if (typeof path === 'object') {
if (path.mp4) {
sources += '';
}
if (path.webm) {
sources += '';
}
if (path.ogv) {
sources += '';
}
$video = vide.$video = $('');
} else {
$video = vide.$video = $('');
}
// https://github.com/VodkaBears/Vide/issues/110
try {
$video
// Set video properties
.prop({
autoplay: settings.autoplay,
loop: settings.loop,
volume: settings.volume,
muted: settings.muted,
defaultMuted: settings.muted,
playbackRate: settings.playbackRate,
defaultPlaybackRate: settings.playbackRate
});
} catch (e) {
throw new Error(NOT_IMPLEMENTED_MSG);
}
// Video alignment
$video.css({
margin: 'auto',
position: 'absolute',
'z-index': -1,
top: position.y,
left: position.x,
'-webkit-transform': 'translate(-' + position.x + ', -' + position.y + ')',
'-ms-transform': 'translate(-' + position.x + ', -' + position.y + ')',
'-moz-transform': 'translate(-' + position.x + ', -' + position.y + ')',
transform: 'translate(-' + position.x + ', -' + position.y + ')',
// Disable visibility, while loading
// visibility: 'hidden',
// opacity: 0
})
// Resize a video, when it's loaded
.one('canplaythrough.' + PLUGIN_NAME, function() {
vide.resize();
})
// Make it visible, when it's already playing
.one('playing.' + PLUGIN_NAME, function() {
$video.css({
visibility: 'visible',
opacity: 1
});
$wrapper.css('background-image', 'none');
});
// Resize event is available only for 'window'
// Use another code solutions to detect DOM elements resizing
$element.on('resize.' + PLUGIN_NAME, function() {
if (settings.resizing) {
vide.resize();
}
});
// Append a video
$wrapper.append($video);
};
/**
* Get a video element
* @public
* @returns {HTMLVideoElement}
*/
Vide.prototype.getVideoObject = function() {
return this.$video[0];
};
/**
* Resize a video background
* @public
*/
Vide.prototype.resize = function() {
if (!this.$video) {
return;
}
var $wrapper = this.$wrapper;
var $video = this.$video;
var video = $video[0];
// Get a native video size
var videoHeight = video.videoHeight;
var videoWidth = video.videoWidth;
// Get a wrapper size
var wrapperHeight = $wrapper.height();
var wrapperWidth = $wrapper.width();
if (wrapperWidth / videoWidth > wrapperHeight / videoHeight) {
$video.css({
// +2 pixels to prevent an empty space after transformation
width: wrapperWidth + 2,
height: 'auto'
});
} else {
$video.css({
width: 'auto',
// +2 pixels to prevent an empty space after transformation
height: wrapperHeight + 2
});
}
};
/**
* Destroy a video background
* @public
*/
Vide.prototype.destroy = function() {
delete $[PLUGIN_NAME].lookup[this.index];
this.$video && this.$video.off(PLUGIN_NAME);
this.$element.off(PLUGIN_NAME).removeData(PLUGIN_NAME);
this.$wrapper.remove();
};
/**
* Special plugin object for instances.
* @public
* @type {Object}
*/
$[PLUGIN_NAME] = {
lookup: []
};
/**
* Plugin constructor
* @param {Object|String} path
* @param {Object|String} options
* @returns {JQuery}
* @constructor
*/
$.fn[PLUGIN_NAME] = function(path, options) {
var instance;
this.each(function() {
instance = $.data(this, PLUGIN_NAME);
// Destroy the plugin instance if exists
instance && instance.destroy();
// Create the plugin instance
instance = new Vide(this, path, options);
instance.index = $[PLUGIN_NAME].lookup.push(instance) - 1;
$.data(this, PLUGIN_NAME, instance);
});
return this;
};
$(document).ready(function() {
var $window = $(window);
// Window resize event listener
$window.on('resize.' + PLUGIN_NAME, function() {
for (var len = $[PLUGIN_NAME].lookup.length, i = 0, instance; i < len; i++) {
instance = $[PLUGIN_NAME].lookup[i];
if (instance && instance.settings.resizing) {
instance.resize();
}
}
});
// https://github.com/VodkaBears/Vide/issues/68
$window.on('unload.' + PLUGIN_NAME, function() {
return false;
});
// Auto initialization
// Add 'data-vide-bg' attribute with a path to the video without extension
// Also you can pass options throw the 'data-vide-options' attribute
// 'data-vide-options' must be like 'muted: false, volume: 0.5'
$(document).find('[data-' + PLUGIN_NAME + '-bg]').each(function(i, element) {
var $element = $(element);
var options = $element.data(PLUGIN_NAME + '-options');
var path = $element.data(PLUGIN_NAME + '-bg');
$element[PLUGIN_NAME](path, options);
});
});
});
/**
* @license
* Video.js 6.4.0
* Copyright Brightcove, Inc.
* Available under Apache License Version 2.0
*
*
* Includes vtt.js
* Available under Apache License Version 2.0
*
*/
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
typeof define === 'function' && define.amd ? define(factory) :
(global.videojs = factory());
}(this, (function () {
var version = "6.4.0";
var commonjsGlobal = typeof window !== 'undefined' ? window : typeof global !== 'undefined' ? global : typeof self !== 'undefined' ? self : {};
function createCommonjsModule(fn, module) {
return module = { exports: {} }, fn(module, module.exports), module.exports;
}
var win;
if (typeof window !== "undefined") {
win = window;
} else if (typeof commonjsGlobal !== "undefined") {
win = commonjsGlobal;
} else if (typeof self !== "undefined"){
win = self;
} else {
win = {};
}
var window_1 = win;
var empty = {};
var empty$1 = (Object.freeze || Object)({
'default': empty
});
var minDoc = ( empty$1 && empty ) || empty$1;
var topLevel = typeof commonjsGlobal !== 'undefined' ? commonjsGlobal :
typeof window !== 'undefined' ? window : {};
var doccy;
if (typeof document !== 'undefined') {
doccy = document;
} else {
doccy = topLevel['__GLOBAL_DOCUMENT_CACHE@4'];
if (!doccy) {
doccy = topLevel['__GLOBAL_DOCUMENT_CACHE@4'] = minDoc;
}
}
var document_1 = doccy;
/**
* @file browser.js
* @module browser
*/
var USER_AGENT = window_1.navigator && window_1.navigator.userAgent || '';
var webkitVersionMap = /AppleWebKit\/([\d.]+)/i.exec(USER_AGENT);
var appleWebkitVersion = webkitVersionMap ? parseFloat(webkitVersionMap.pop()) : null;
/*
* Device is an iPhone
*
* @type {Boolean}
* @constant
* @private
*/
var IS_IPAD = /iPad/i.test(USER_AGENT);
// The Facebook app's UIWebView identifies as both an iPhone and iPad, so
// to identify iPhones, we need to exclude iPads.
// http://artsy.github.io/blog/2012/10/18/the-perils-of-ios-user-agent-sniffing/
var IS_IPHONE = /iPhone/i.test(USER_AGENT) && !IS_IPAD;
var IS_IPOD = /iPod/i.test(USER_AGENT);
var IS_IOS = IS_IPHONE || IS_IPAD || IS_IPOD;
var IOS_VERSION = function () {
var match = USER_AGENT.match(/OS (\d+)_/i);
if (match && match[1]) {
return match[1];
}
return null;
}();
var IS_ANDROID = /Android/i.test(USER_AGENT);
var ANDROID_VERSION = function () {
// This matches Android Major.Minor.Patch versions
// ANDROID_VERSION is Major.Minor as a Number, if Minor isn't available, then only Major is returned
var match = USER_AGENT.match(/Android (\d+)(?:\.(\d+))?(?:\.(\d+))*/i);
if (!match) {
return null;
}
var major = match[1] && parseFloat(match[1]);
var minor = match[2] && parseFloat(match[2]);
if (major && minor) {
return parseFloat(match[1] + '.' + match[2]);
} else if (major) {
return major;
}
return null;
}();
// Old Android is defined as Version older than 2.3, and requiring a webkit version of the android browser
var IS_OLD_ANDROID = IS_ANDROID && /webkit/i.test(USER_AGENT) && ANDROID_VERSION < 2.3;
var IS_NATIVE_ANDROID = IS_ANDROID && ANDROID_VERSION < 5 && appleWebkitVersion < 537;
var IS_FIREFOX = /Firefox/i.test(USER_AGENT);
var IS_EDGE = /Edge/i.test(USER_AGENT);
var IS_CHROME = !IS_EDGE && /Chrome/i.test(USER_AGENT);
var CHROME_VERSION = function () {
var match = USER_AGENT.match(/Chrome\/(\d+)/);
if (match && match[1]) {
return parseFloat(match[1]);
}
return null;
}();
var IS_IE8 = /MSIE\s8\.0/.test(USER_AGENT);
var IE_VERSION = function () {
var result = /MSIE\s(\d+)\.\d/.exec(USER_AGENT);
var version = result && parseFloat(result[1]);
if (!version && /Trident\/7.0/i.test(USER_AGENT) && /rv:11.0/.test(USER_AGENT)) {
// IE 11 has a different user agent string than other IE versions
version = 11.0;
}
return version;
}();
var IS_SAFARI = /Safari/i.test(USER_AGENT) && !IS_CHROME && !IS_ANDROID && !IS_EDGE;
var IS_ANY_SAFARI = IS_SAFARI || IS_IOS;
var TOUCH_ENABLED = isReal() && ('ontouchstart' in window_1 || window_1.DocumentTouch && window_1.document instanceof window_1.DocumentTouch);
var BACKGROUND_SIZE_SUPPORTED = isReal() && 'backgroundSize' in window_1.document.createElement('video').style;
var browser = (Object.freeze || Object)({
IS_IPAD: IS_IPAD,
IS_IPHONE: IS_IPHONE,
IS_IPOD: IS_IPOD,
IS_IOS: IS_IOS,
IOS_VERSION: IOS_VERSION,
IS_ANDROID: IS_ANDROID,
ANDROID_VERSION: ANDROID_VERSION,
IS_OLD_ANDROID: IS_OLD_ANDROID,
IS_NATIVE_ANDROID: IS_NATIVE_ANDROID,
IS_FIREFOX: IS_FIREFOX,
IS_EDGE: IS_EDGE,
IS_CHROME: IS_CHROME,
CHROME_VERSION: CHROME_VERSION,
IS_IE8: IS_IE8,
IE_VERSION: IE_VERSION,
IS_SAFARI: IS_SAFARI,
IS_ANY_SAFARI: IS_ANY_SAFARI,
TOUCH_ENABLED: TOUCH_ENABLED,
BACKGROUND_SIZE_SUPPORTED: BACKGROUND_SIZE_SUPPORTED
});
var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) {
return typeof obj;
} : function (obj) {
return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
};
var classCallCheck = function (instance, Constructor) {
if (!(instance instanceof Constructor)) {
throw new TypeError("Cannot call a class as a function");
}
};
var inherits = function (subClass, superClass) {
if (typeof superClass !== "function" && superClass !== null) {
throw new TypeError("Super expression must either be null or a function, not " + typeof superClass);
}
subClass.prototype = Object.create(superClass && superClass.prototype, {
constructor: {
value: subClass,
enumerable: false,
writable: true,
configurable: true
}
});
if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass;
};
var possibleConstructorReturn = function (self, call) {
if (!self) {
throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
}
return call && (typeof call === "object" || typeof call === "function") ? call : self;
};
var taggedTemplateLiteralLoose = function (strings, raw) {
strings.raw = raw;
return strings;
};
/**
* @file obj.js
* @module obj
*/
/**
* @callback obj:EachCallback
*
* @param {Mixed} value
* The current key for the object that is being iterated over.
*
* @param {string} key
* The current key-value for object that is being iterated over
*/
/**
* @callback obj:ReduceCallback
*
* @param {Mixed} accum
* The value that is accumulating over the reduce loop.
*
* @param {Mixed} value
* The current key for the object that is being iterated over.
*
* @param {string} key
* The current key-value for object that is being iterated over
*
* @return {Mixed}
* The new accumulated value.
*/
var toString = Object.prototype.toString;
/**
* Get the keys of an Object
*
* @param {Object}
* The Object to get the keys from
*
* @return {string[]}
* An array of the keys from the object. Returns an empty array if the
* object passed in was invalid or had no keys.
*
* @private
*/
var keys = function keys(object) {
return isObject(object) ? Object.keys(object) : [];
};
/**
* Array-like iteration for objects.
*
* @param {Object} object
* The object to iterate over
*
* @param {obj:EachCallback} fn
* The callback function which is called for each key in the object.
*/
function each(object, fn) {
keys(object).forEach(function (key) {
return fn(object[key], key);
});
}
/**
* Array-like reduce for objects.
*
* @param {Object} object
* The Object that you want to reduce.
*
* @param {Function} fn
* A callback function which is called for each key in the object. It
* receives the accumulated value and the per-iteration value and key
* as arguments.
*
* @param {Mixed} [initial = 0]
* Starting value
*
* @return {Mixed}
* The final accumulated value.
*/
function reduce(object, fn) {
var initial = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 0;
return keys(object).reduce(function (accum, key) {
return fn(accum, object[key], key);
}, initial);
}
/**
* Object.assign-style object shallow merge/extend.
*
* @param {Object} target
* @param {Object} ...sources
* @return {Object}
*/
function assign(target) {
for (var _len = arguments.length, sources = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
sources[_key - 1] = arguments[_key];
}
if (Object.assign) {
return Object.assign.apply(Object, [target].concat(sources));
}
sources.forEach(function (source) {
if (!source) {
return;
}
each(source, function (value, key) {
target[key] = value;
});
});
return target;
}
/**
* Returns whether a value is an object of any kind - including DOM nodes,
* arrays, regular expressions, etc. Not functions, though.
*
* This avoids the gotcha where using `typeof` on a `null` value
* results in `'object'`.
*
* @param {Object} value
* @return {Boolean}
*/
function isObject(value) {
return !!value && (typeof value === 'undefined' ? 'undefined' : _typeof(value)) === 'object';
}
/**
* Returns whether an object appears to be a "plain" object - that is, a
* direct instance of `Object`.
*
* @param {Object} value
* @return {Boolean}
*/
function isPlain(value) {
return isObject(value) && toString.call(value) === '[object Object]' && value.constructor === Object;
}
/**
* @file log.js
* @module log
*/
var log = void 0;
// This is the private tracking variable for logging level.
var level = 'all';
// This is the private tracking variable for the logging history.
var history = [];
/**
* Log messages to the console and history based on the type of message
*
* @private
* @param {string} type
* The name of the console method to use.
*
* @param {Array} args
* The arguments to be passed to the matching console method.
*
* @param {boolean} [stringify]
* By default, only old IEs should get console argument stringification,
* but this is exposed as a parameter to facilitate testing.
*/
var logByType = function logByType(type, args) {
var stringify = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : !!IE_VERSION && IE_VERSION < 11;
var lvl = log.levels[level];
var lvlRegExp = new RegExp('^(' + lvl + ')$');
if (type !== 'log') {
// Add the type to the front of the message when it's not "log".
args.unshift(type.toUpperCase() + ':');
}
// Add a clone of the args at this point to history.
if (history) {
history.push([].concat(args));
}
// Add console prefix after adding to history.
args.unshift('VIDEOJS:');
// If there's no console then don't try to output messages, but they will
// still be stored in history.
//
// Was setting these once outside of this function, but containing them
// in the function makes it easier to test cases where console doesn't exist
// when the module is executed.
var fn = window_1.console && window_1.console[type];
// Bail out if there's no console or if this type is not allowed by the
// current logging level.
if (!fn || !lvl || !lvlRegExp.test(type)) {
return;
}
// IEs previous to 11 log objects uselessly as "[object Object]"; so, JSONify
// objects and arrays for those less-capable browsers.
if (stringify) {
args = args.map(function (a) {
if (isObject(a) || Array.isArray(a)) {
try {
return JSON.stringify(a);
} catch (x) {
return String(a);
}
}
// Cast to string before joining, so we get null and undefined explicitly
// included in output (as we would in a modern console).
return String(a);
}).join(' ');
}
// Old IE versions do not allow .apply() for console methods (they are
// reported as objects rather than functions).
if (!fn.apply) {
fn(args);
} else {
fn[Array.isArray(args) ? 'apply' : 'call'](window_1.console, args);
}
};
/**
* Logs plain debug messages. Similar to `console.log`.
*
* @class
* @param {Mixed[]} args
* One or more messages or objects that should be logged.
*/
log = function log() {
for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
args[_key] = arguments[_key];
}
logByType('log', args);
};
/**
* Enumeration of available logging levels, where the keys are the level names
* and the values are `|`-separated strings containing logging methods allowed
* in that logging level. These strings are used to create a regular expression
* matching the function name being called.
*
* Levels provided by video.js are:
*
* - `off`: Matches no calls. Any value that can be cast to `false` will have
* this effect. The most restrictive.
* - `all` (default): Matches only Video.js-provided functions (`log`,
* `log.warn`, and `log.error`).
* - `warn`: Matches `log.warn` and `log.error` calls.
* - `error`: Matches only `log.error` calls.
*
* @type {Object}
*/
log.levels = {
all: 'log|warn|error',
error: 'error',
off: '',
warn: 'warn|error',
DEFAULT: level
};
/**
* Get or set the current logging level. If a string matching a key from
* {@link log.levels} is provided, acts as a setter. Regardless of argument,
* returns the current logging level.
*
* @param {string} [lvl]
* Pass to set a new logging level.
*
* @return {string}
* The current logging level.
*/
log.level = function (lvl) {
if (typeof lvl === 'string') {
if (!log.levels.hasOwnProperty(lvl)) {
throw new Error('"' + lvl + '" in not a valid log level');
}
level = lvl;
}
return level;
};
/**
* Returns an array containing everything that has been logged to the history.
*
* This array is a shallow clone of the internal history record. However, its
* contents are _not_ cloned; so, mutating objects inside this array will
* mutate them in history.
*
* @return {Array}
*/
log.history = function () {
return history ? [].concat(history) : [];
};
/**
* Clears the internal history tracking, but does not prevent further history
* tracking.
*/
log.history.clear = function () {
if (history) {
history.length = 0;
}
};
/**
* Disable history tracking if it is currently enabled.
*/
log.history.disable = function () {
if (history !== null) {
history.length = 0;
history = null;
}
};
/**
* Enable history tracking if it is currently disabled.
*/
log.history.enable = function () {
if (history === null) {
history = [];
}
};
/**
* Logs error messages. Similar to `console.error`.
*
* @param {Mixed[]} args
* One or more messages or objects that should be logged as an error
*/
log.error = function () {
for (var _len2 = arguments.length, args = Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
args[_key2] = arguments[_key2];
}
return logByType('error', args);
};
/**
* Logs warning messages. Similar to `console.warn`.
*
* @param {Mixed[]} args
* One or more messages or objects that should be logged as a warning.
*/
log.warn = function () {
for (var _len3 = arguments.length, args = Array(_len3), _key3 = 0; _key3 < _len3; _key3++) {
args[_key3] = arguments[_key3];
}
return logByType('warn', args);
};
var log$1 = log;
function clean (s) {
return s.replace(/\n\r?\s*/g, '')
}
var tsml = function tsml (sa) {
var s = ''
, i = 0;
for (; i < arguments.length; i++)
s += clean(sa[i]) + (arguments[i + 1] || '');
return s
};
/**
* @file computed-style.js
* @module computed-style
*/
/**
* A safe getComputedStyle with an IE8 fallback.
*
* This is needed because in Firefox, if the player is loaded in an iframe with
* `display:none`, then `getComputedStyle` returns `null`, so, we do a null-check to
* make sure that the player doesn't break in these cases.
*
* @param {Element} el
* The element you want the computed style of
*
* @param {string} prop
* The property name you want
*
* @see https://bugzilla.mozilla.org/show_bug.cgi?id=548397
*
* @static
* @const
*/
function computedStyle(el, prop) {
if (!el || !prop) {
return '';
}
if (typeof window_1.getComputedStyle === 'function') {
var cs = window_1.getComputedStyle(el);
return cs ? cs[prop] : '';
}
return el.currentStyle[prop] || '';
}
var _templateObject = taggedTemplateLiteralLoose(['Setting attributes in the second argument of createEl()\n has been deprecated. Use the third argument instead.\n createEl(type, properties, attributes). Attempting to set ', ' to ', '.'], ['Setting attributes in the second argument of createEl()\n has been deprecated. Use the third argument instead.\n createEl(type, properties, attributes). Attempting to set ', ' to ', '.']);
/**
* @file dom.js
* @module dom
*/
/**
* Detect if a value is a string with any non-whitespace characters.
*
* @param {string} str
* The string to check
*
* @return {boolean}
* - True if the string is non-blank
* - False otherwise
*
*/
function isNonBlankString(str) {
return typeof str === 'string' && /\S/.test(str);
}
/**
* Throws an error if the passed string has whitespace. This is used by
* class methods to be relatively consistent with the classList API.
*
* @param {string} str
* The string to check for whitespace.
*
* @throws {Error}
* Throws an error if there is whitespace in the string.
*
*/
function throwIfWhitespace(str) {
if (/\s/.test(str)) {
throw new Error('class has illegal whitespace characters');
}
}
/**
* Produce a regular expression for matching a className within an elements className.
*
* @param {string} className
* The className to generate the RegExp for.
*
* @return {RegExp}
* The RegExp that will check for a specific `className` in an elements
* className.
*/
function classRegExp(className) {
return new RegExp('(^|\\s)' + className + '($|\\s)');
}
/**
* Whether the current DOM interface appears to be real.
*
* @return {Boolean}
*/
function isReal() {
return (
// Both document and window will never be undefined thanks to `global`.
document_1 === window_1.document &&
// In IE < 9, DOM methods return "object" as their type, so all we can
// confidently check is that it exists.
typeof document_1.createElement !== 'undefined'
);
}
/**
* Determines, via duck typing, whether or not a value is a DOM element.
*
* @param {Mixed} value
* The thing to check
*
* @return {boolean}
* - True if it is a DOM element
* - False otherwise
*/
function isEl(value) {
return isObject(value) && value.nodeType === 1;
}
/**
* Determines if the current DOM is embedded in an iframe.
*
* @return {boolean}
*
*/
function isInFrame() {
// We need a try/catch here because Safari will throw errors when attempting
// to get either `parent` or `self`
try {
return window_1.parent !== window_1.self;
} catch (x) {
return true;
}
}
/**
* Creates functions to query the DOM using a given method.
*
* @param {string} method
* The method to create the query with.
*
* @return {Function}
* The query method
*/
function createQuerier(method) {
return function (selector, context) {
if (!isNonBlankString(selector)) {
return document_1[method](null);
}
if (isNonBlankString(context)) {
context = document_1.querySelector(context);
}
var ctx = isEl(context) ? context : document_1;
return ctx[method] && ctx[method](selector);
};
}
/**
* Creates an element and applies properties.
*
* @param {string} [tagName='div']
* Name of tag to be created.
*
* @param {Object} [properties={}]
* Element properties to be applied.
*
* @param {Object} [attributes={}]
* Element attributes to be applied.
*
* @param {String|Element|TextNode|Array|Function} [content]
* Contents for the element (see: {@link dom:normalizeContent})
*
* @return {Element}
* The element that was created.
*/
function createEl() {
var tagName = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 'div';
var properties = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
var attributes = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
var content = arguments[3];
var el = document_1.createElement(tagName);
Object.getOwnPropertyNames(properties).forEach(function (propName) {
var val = properties[propName];
// See #2176
// We originally were accepting both properties and attributes in the
// same object, but that doesn't work so well.
if (propName.indexOf('aria-') !== -1 || propName === 'role' || propName === 'type') {
log$1.warn(tsml(_templateObject, propName, val));
el.setAttribute(propName, val);
// Handle textContent since it's not supported everywhere and we have a
// method for it.
} else if (propName === 'textContent') {
textContent(el, val);
} else {
el[propName] = val;
}
});
Object.getOwnPropertyNames(attributes).forEach(function (attrName) {
el.setAttribute(attrName, attributes[attrName]);
});
if (content) {
appendContent(el, content);
}
return el;
}
/**
* Injects text into an element, replacing any existing contents entirely.
*
* @param {Element} el
* The element to add text content into
*
* @param {string} text
* The text content to add.
*
* @return {Element}
* The element with added text content.
*/
function textContent(el, text) {
if (typeof el.textContent === 'undefined') {
el.innerText = text;
} else {
el.textContent = text;
}
return el;
}
/**
* Insert an element as the first child node of another
*
* @param {Element} child
* Element to insert
*
* @param {Element} parent
* Element to insert child into
*/
function prependTo(child, parent) {
if (parent.firstChild) {
parent.insertBefore(child, parent.firstChild);
} else {
parent.appendChild(child);
}
}
/**
* Check if an element has a CSS class
*
* @param {Element} element
* Element to check
*
* @param {string} classToCheck
* Class name to check for
*
* @return {boolean}
* - True if the element had the class
* - False otherwise.
*
* @throws {Error}
* Throws an error if `classToCheck` has white space.
*/
function hasClass(element, classToCheck) {
throwIfWhitespace(classToCheck);
if (element.classList) {
return element.classList.contains(classToCheck);
}
return classRegExp(classToCheck).test(element.className);
}
/**
* Add a CSS class name to an element
*
* @param {Element} element
* Element to add class name to.
*
* @param {string} classToAdd
* Class name to add.
*
* @return {Element}
* The dom element with the added class name.
*/
function addClass(element, classToAdd) {
if (element.classList) {
element.classList.add(classToAdd);
// Don't need to `throwIfWhitespace` here because `hasElClass` will do it
// in the case of classList not being supported.
} else if (!hasClass(element, classToAdd)) {
element.className = (element.className + ' ' + classToAdd).trim();
}
return element;
}
/**
* Remove a CSS class name from an element
*
* @param {Element} element
* Element to remove a class name from.
*
* @param {string} classToRemove
* Class name to remove
*
* @return {Element}
* The dom element with class name removed.
*/
function removeClass(element, classToRemove) {
if (element.classList) {
element.classList.remove(classToRemove);
} else {
throwIfWhitespace(classToRemove);
element.className = element.className.split(/\s+/).filter(function (c) {
return c !== classToRemove;
}).join(' ');
}
return element;
}
/**
* The callback definition for toggleElClass.
*
* @callback Dom~PredicateCallback
* @param {Element} element
* The DOM element of the Component.
*
* @param {string} classToToggle
* The `className` that wants to be toggled
*
* @return {boolean|undefined}
* - If true the `classToToggle` will get added to `element`.
* - If false the `classToToggle` will get removed from `element`.
* - If undefined this callback will be ignored
*/
/**
* Adds or removes a CSS class name on an element depending on an optional
* condition or the presence/absence of the class name.
*
* @param {Element} element
* The element to toggle a class name on.
*
* @param {string} classToToggle
* The class that should be toggled
*
* @param {boolean|PredicateCallback} [predicate]
* See the return value for {@link Dom~PredicateCallback}
*
* @return {Element}
* The element with a class that has been toggled.
*/
function toggleClass(element, classToToggle, predicate) {
// This CANNOT use `classList` internally because IE does not support the
// second parameter to the `classList.toggle()` method! Which is fine because
// `classList` will be used by the add/remove functions.
var has = hasClass(element, classToToggle);
if (typeof predicate === 'function') {
predicate = predicate(element, classToToggle);
}
if (typeof predicate !== 'boolean') {
predicate = !has;
}
// If the necessary class operation matches the current state of the
// element, no action is required.
if (predicate === has) {
return;
}
if (predicate) {
addClass(element, classToToggle);
} else {
removeClass(element, classToToggle);
}
return element;
}
/**
* Apply attributes to an HTML element.
*
* @param {Element} el
* Element to add attributes to.
*
* @param {Object} [attributes]
* Attributes to be applied.
*/
function setAttributes(el, attributes) {
Object.getOwnPropertyNames(attributes).forEach(function (attrName) {
var attrValue = attributes[attrName];
if (attrValue === null || typeof attrValue === 'undefined' || attrValue === false) {
el.removeAttribute(attrName);
} else {
el.setAttribute(attrName, attrValue === true ? '' : attrValue);
}
});
}
/**
* Get an element's attribute values, as defined on the HTML tag
* Attributes are not the same as properties. They're defined on the tag
* or with setAttribute (which shouldn't be used with HTML)
* This will return true or false for boolean attributes.
*
* @param {Element} tag
* Element from which to get tag attributes.
*
* @return {Object}
* All attributes of the element.
*/
function getAttributes(tag) {
var obj = {};
// known boolean attributes
// we can check for matching boolean properties, but older browsers
// won't know about HTML5 boolean attributes that we still read from
var knownBooleans = ',' + 'autoplay,controls,playsinline,loop,muted,default,defaultMuted' + ',';
if (tag && tag.attributes && tag.attributes.length > 0) {
var attrs = tag.attributes;
for (var i = attrs.length - 1; i >= 0; i--) {
var attrName = attrs[i].name;
var attrVal = attrs[i].value;
// check for known booleans
// the matching element property will return a value for typeof
if (typeof tag[attrName] === 'boolean' || knownBooleans.indexOf(',' + attrName + ',') !== -1) {
// the value of an included boolean attribute is typically an empty
// string ('') which would equal false if we just check for a false value.
// we also don't want support bad code like autoplay='false'
attrVal = attrVal !== null ? true : false;
}
obj[attrName] = attrVal;
}
}
return obj;
}
/**
* Get the value of an element's attribute
*
* @param {Element} el
* A DOM element
*
* @param {string} attribute
* Attribute to get the value of
*
* @return {string}
* value of the attribute
*/
function getAttribute(el, attribute) {
return el.getAttribute(attribute);
}
/**
* Set the value of an element's attribute
*
* @param {Element} el
* A DOM element
*
* @param {string} attribute
* Attribute to set
*
* @param {string} value
* Value to set the attribute to
*/
function setAttribute(el, attribute, value) {
el.setAttribute(attribute, value);
}
/**
* Remove an element's attribute
*
* @param {Element} el
* A DOM element
*
* @param {string} attribute
* Attribute to remove
*/
function removeAttribute(el, attribute) {
el.removeAttribute(attribute);
}
/**
* Attempt to block the ability to select text while dragging controls
*/
function blockTextSelection() {
document_1.body.focus();
document_1.onselectstart = function () {
return false;
};
}
/**
* Turn off text selection blocking
*/
function unblockTextSelection() {
document_1.onselectstart = function () {
return true;
};
}
/**
* Identical to the native `getBoundingClientRect` function, but ensures that
* the method is supported at all (it is in all browsers we claim to support)
* and that the element is in the DOM before continuing.
*
* This wrapper function also shims properties which are not provided by some
* older browsers (namely, IE8).
*
* Additionally, some browsers do not support adding properties to a
* `ClientRect`/`DOMRect` object; so, we shallow-copy it with the standard
* properties (except `x` and `y` which are not widely supported). This helps
* avoid implementations where keys are non-enumerable.
*
* @param {Element} el
* Element whose `ClientRect` we want to calculate.
*
* @return {Object|undefined}
* Always returns a plain
*/
function getBoundingClientRect(el) {
if (el && el.getBoundingClientRect && el.parentNode) {
var rect = el.getBoundingClientRect();
var result = {};
['bottom', 'height', 'left', 'right', 'top', 'width'].forEach(function (k) {
if (rect[k] !== undefined) {
result[k] = rect[k];
}
});
if (!result.height) {
result.height = parseFloat(computedStyle(el, 'height'));
}
if (!result.width) {
result.width = parseFloat(computedStyle(el, 'width'));
}
return result;
}
}
/**
* The postion of a DOM element on the page.
*
* @typedef {Object} module:dom~Position
*
* @property {number} left
* Pixels to the left
*
* @property {number} top
* Pixels on top
*/
/**
* Offset Left.
* getBoundingClientRect technique from
* John Resig
*
* @see http://ejohn.org/blog/getboundingclientrect-is-awesome/
*
* @param {Element} el
* Element from which to get offset
*
* @return {module:dom~Position}
* The position of the element that was passed in.
*/
function findPosition(el) {
var box = void 0;
if (el.getBoundingClientRect && el.parentNode) {
box = el.getBoundingClientRect();
}
if (!box) {
return {
left: 0,
top: 0
};
}
var docEl = document_1.documentElement;
var body = document_1.body;
var clientLeft = docEl.clientLeft || body.clientLeft || 0;
var scrollLeft = window_1.pageXOffset || body.scrollLeft;
var left = box.left + scrollLeft - clientLeft;
var clientTop = docEl.clientTop || body.clientTop || 0;
var scrollTop = window_1.pageYOffset || body.scrollTop;
var top = box.top + scrollTop - clientTop;
// Android sometimes returns slightly off decimal values, so need to round
return {
left: Math.round(left),
top: Math.round(top)
};
}
/**
* x and y coordinates for a dom element or mouse pointer
*
* @typedef {Object} Dom~Coordinates
*
* @property {number} x
* x coordinate in pixels
*
* @property {number} y
* y coordinate in pixels
*/
/**
* Get pointer position in element
* Returns an object with x and y coordinates.
* The base on the coordinates are the bottom left of the element.
*
* @param {Element} el
* Element on which to get the pointer position on
*
* @param {EventTarget~Event} event
* Event object
*
* @return {Dom~Coordinates}
* A Coordinates object corresponding to the mouse position.
*
*/
function getPointerPosition(el, event) {
var position = {};
var box = findPosition(el);
var boxW = el.offsetWidth;
var boxH = el.offsetHeight;
var boxY = box.top;
var boxX = box.left;
var pageY = event.pageY;
var pageX = event.pageX;
if (event.changedTouches) {
pageX = event.changedTouches[0].pageX;
pageY = event.changedTouches[0].pageY;
}
position.y = Math.max(0, Math.min(1, (boxY - pageY + boxH) / boxH));
position.x = Math.max(0, Math.min(1, (pageX - boxX) / boxW));
return position;
}
/**
* Determines, via duck typing, whether or not a value is a text node.
*
* @param {Mixed} value
* Check if this value is a text node.
*
* @return {boolean}
* - True if it is a text node
* - False otherwise
*/
function isTextNode(value) {
return isObject(value) && value.nodeType === 3;
}
/**
* Empties the contents of an element.
*
* @param {Element} el
* The element to empty children from
*
* @return {Element}
* The element with no children
*/
function emptyEl(el) {
while (el.firstChild) {
el.removeChild(el.firstChild);
}
return el;
}
/**
* Normalizes content for eventual insertion into the DOM.
*
* This allows a wide range of content definition methods, but protects
* from falling into the trap of simply writing to `innerHTML`, which is
* an XSS concern.
*
* The content for an element can be passed in multiple types and
* combinations, whose behavior is as follows:
*
* @param {String|Element|TextNode|Array|Function} content
* - String: Normalized into a text node.
* - Element/TextNode: Passed through.
* - Array: A one-dimensional array of strings, elements, nodes, or functions
* (which return single strings, elements, or nodes).
* - Function: If the sole argument, is expected to produce a string, element,
* node, or array as defined above.
*
* @return {Array}
* All of the content that was passed in normalized.
*/
function normalizeContent(content) {
// First, invoke content if it is a function. If it produces an array,
// that needs to happen before normalization.
if (typeof content === 'function') {
content = content();
}
// Next up, normalize to an array, so one or many items can be normalized,
// filtered, and returned.
return (Array.isArray(content) ? content : [content]).map(function (value) {
// First, invoke value if it is a function to produce a new value,
// which will be subsequently normalized to a Node of some kind.
if (typeof value === 'function') {
value = value();
}
if (isEl(value) || isTextNode(value)) {
return value;
}
if (typeof value === 'string' && /\S/.test(value)) {
return document_1.createTextNode(value);
}
}).filter(function (value) {
return value;
});
}
/**
* Normalizes and appends content to an element.
*
* @param {Element} el
* Element to append normalized content to.
*
*
* @param {String|Element|TextNode|Array|Function} content
* See the `content` argument of {@link dom:normalizeContent}
*
* @return {Element}
* The element with appended normalized content.
*/
function appendContent(el, content) {
normalizeContent(content).forEach(function (node) {
return el.appendChild(node);
});
return el;
}
/**
* Normalizes and inserts content into an element; this is identical to
* `appendContent()`, except it empties the element first.
*
* @param {Element} el
* Element to insert normalized content into.
*
* @param {String|Element|TextNode|Array|Function} content
* See the `content` argument of {@link dom:normalizeContent}
*
* @return {Element}
* The element with inserted normalized content.
*
*/
function insertContent(el, content) {
return appendContent(emptyEl(el), content);
}
/**
* Finds a single DOM element matching `selector` within the optional
* `context` of another DOM element (defaulting to `document`).
*
* @param {string} selector
* A valid CSS selector, which will be passed to `querySelector`.
*
* @param {Element|String} [context=document]
* A DOM element within which to query. Can also be a selector
* string in which case the first matching element will be used
* as context. If missing (or no element matches selector), falls
* back to `document`.
*
* @return {Element|null}
* The element that was found or null.
*/
var $ = createQuerier('querySelector');
/**
* Finds a all DOM elements matching `selector` within the optional
* `context` of another DOM element (defaulting to `document`).
*
* @param {string} selector
* A valid CSS selector, which will be passed to `querySelectorAll`.
*
* @param {Element|String} [context=document]
* A DOM element within which to query. Can also be a selector
* string in which case the first matching element will be used
* as context. If missing (or no element matches selector), falls
* back to `document`.
*
* @return {NodeList}
* A element list of elements that were found. Will be empty if none were found.
*
*/
var $$ = createQuerier('querySelectorAll');
var Dom = (Object.freeze || Object)({
isReal: isReal,
isEl: isEl,
isInFrame: isInFrame,
createEl: createEl,
textContent: textContent,
prependTo: prependTo,
hasClass: hasClass,
addClass: addClass,
removeClass: removeClass,
toggleClass: toggleClass,
setAttributes: setAttributes,
getAttributes: getAttributes,
getAttribute: getAttribute,
setAttribute: setAttribute,
removeAttribute: removeAttribute,
blockTextSelection: blockTextSelection,
unblockTextSelection: unblockTextSelection,
getBoundingClientRect: getBoundingClientRect,
findPosition: findPosition,
getPointerPosition: getPointerPosition,
isTextNode: isTextNode,
emptyEl: emptyEl,
normalizeContent: normalizeContent,
appendContent: appendContent,
insertContent: insertContent,
$: $,
$$: $$
});
/**
* @file guid.js
* @module guid
*/
/**
* Unique ID for an element or function
* @type {Number}
*/
var _guid = 1;
/**
* Get a unique auto-incrementing ID by number that has not been returned before.
*
* @return {number}
* A new unique ID.
*/
function newGUID() {
return _guid++;
}
/**
* @file dom-data.js
* @module dom-data
*/
/**
* Element Data Store.
*
* Allows for binding data to an element without putting it directly on the
* element. Ex. Event listeners are stored here.
* (also from jsninja.com, slightly modified and updated for closure compiler)
*
* @type {Object}
* @private
*/
var elData = {};
/*
* Unique attribute name to store an element's guid in
*
* @type {String}
* @constant
* @private
*/
var elIdAttr = 'vdata' + new Date().getTime();
/**
* Returns the cache object where data for an element is stored
*
* @param {Element} el
* Element to store data for.
*
* @return {Object}
* The cache object for that el that was passed in.
*/
function getData(el) {
var id = el[elIdAttr];
if (!id) {
id = el[elIdAttr] = newGUID();
}
if (!elData[id]) {
elData[id] = {};
}
return elData[id];
}
/**
* Returns whether or not an element has cached data
*
* @param {Element} el
* Check if this element has cached data.
*
* @return {boolean}
* - True if the DOM element has cached data.
* - False otherwise.
*/
function hasData(el) {
var id = el[elIdAttr];
if (!id) {
return false;
}
return !!Object.getOwnPropertyNames(elData[id]).length;
}
/**
* Delete data for the element from the cache and the guid attr from getElementById
*
* @param {Element} el
* Remove cached data for this element.
*/
function removeData(el) {
var id = el[elIdAttr];
if (!id) {
return;
}
// Remove all stored data
delete elData[id];
// Remove the elIdAttr property from the DOM node
try {
delete el[elIdAttr];
} catch (e) {
if (el.removeAttribute) {
el.removeAttribute(elIdAttr);
} else {
// IE doesn't appear to support removeAttribute on the document element
el[elIdAttr] = null;
}
}
}
/**
* @file events.js. An Event System (John Resig - Secrets of a JS Ninja http://jsninja.com/)
* (Original book version wasn't completely usable, so fixed some things and made Closure Compiler compatible)
* This should work very similarly to jQuery's events, however it's based off the book version which isn't as
* robust as jquery's, so there's probably some differences.
*
* @module events
*/
/**
* Clean up the listener cache and dispatchers
*
* @param {Element|Object} elem
* Element to clean up
*
* @param {string} type
* Type of event to clean up
*/
function _cleanUpEvents(elem, type) {
var data = getData(elem);
// Remove the events of a particular type if there are none left
if (data.handlers[type].length === 0) {
delete data.handlers[type];
// data.handlers[type] = null;
// Setting to null was causing an error with data.handlers
// Remove the meta-handler from the element
if (elem.removeEventListener) {
elem.removeEventListener(type, data.dispatcher, false);
} else if (elem.detachEvent) {
elem.detachEvent('on' + type, data.dispatcher);
}
}
// Remove the events object if there are no types left
if (Object.getOwnPropertyNames(data.handlers).length <= 0) {
delete data.handlers;
delete data.dispatcher;
delete data.disabled;
}
// Finally remove the element data if there is no data left
if (Object.getOwnPropertyNames(data).length === 0) {
removeData(elem);
}
}
/**
* Loops through an array of event types and calls the requested method for each type.
*
* @param {Function} fn
* The event method we want to use.
*
* @param {Element|Object} elem
* Element or object to bind listeners to
*
* @param {string} type
* Type of event to bind to.
*
* @param {EventTarget~EventListener} callback
* Event listener.
*/
function _handleMultipleEvents(fn, elem, types, callback) {
types.forEach(function (type) {
// Call the event method for each one of the types
fn(elem, type, callback);
});
}
/**
* Fix a native event to have standard property values
*
* @param {Object} event
* Event object to fix.
*
* @return {Object}
* Fixed event object.
*/
function fixEvent(event) {
function returnTrue() {
return true;
}
function returnFalse() {
return false;
}
// Test if fixing up is needed
// Used to check if !event.stopPropagation instead of isPropagationStopped
// But native events return true for stopPropagation, but don't have
// other expected methods like isPropagationStopped. Seems to be a problem
// with the Javascript Ninja code. So we're just overriding all events now.
if (!event || !event.isPropagationStopped) {
var old = event || window_1.event;
event = {};
// Clone the old object so that we can modify the values event = {};
// IE8 Doesn't like when you mess with native event properties
// Firefox returns false for event.hasOwnProperty('type') and other props
// which makes copying more difficult.
// TODO: Probably best to create a whitelist of event props
for (var key in old) {
// Safari 6.0.3 warns you if you try to copy deprecated layerX/Y
// Chrome warns you if you try to copy deprecated keyboardEvent.keyLocation
// and webkitMovementX/Y
if (key !== 'layerX' && key !== 'layerY' && key !== 'keyLocation' && key !== 'webkitMovementX' && key !== 'webkitMovementY') {
// Chrome 32+ warns if you try to copy deprecated returnValue, but
// we still want to if preventDefault isn't supported (IE8).
if (!(key === 'returnValue' && old.preventDefault)) {
event[key] = old[key];
}
}
}
// The event occurred on this element
if (!event.target) {
event.target = event.srcElement || document_1;
}
// Handle which other element the event is related to
if (!event.relatedTarget) {
event.relatedTarget = event.fromElement === event.target ? event.toElement : event.fromElement;
}
// Stop the default browser action
event.preventDefault = function () {
if (old.preventDefault) {
old.preventDefault();
}
event.returnValue = false;
old.returnValue = false;
event.defaultPrevented = true;
};
event.defaultPrevented = false;
// Stop the event from bubbling
event.stopPropagation = function () {
if (old.stopPropagation) {
old.stopPropagation();
}
event.cancelBubble = true;
old.cancelBubble = true;
event.isPropagationStopped = returnTrue;
};
event.isPropagationStopped = returnFalse;
// Stop the event from bubbling and executing other handlers
event.stopImmediatePropagation = function () {
if (old.stopImmediatePropagation) {
old.stopImmediatePropagation();
}
event.isImmediatePropagationStopped = returnTrue;
event.stopPropagation();
};
event.isImmediatePropagationStopped = returnFalse;
// Handle mouse position
if (event.clientX !== null && event.clientX !== undefined) {
var doc = document_1.documentElement;
var body = document_1.body;
event.pageX = event.clientX + (doc && doc.scrollLeft || body && body.scrollLeft || 0) - (doc && doc.clientLeft || body && body.clientLeft || 0);
event.pageY = event.clientY + (doc && doc.scrollTop || body && body.scrollTop || 0) - (doc && doc.clientTop || body && body.clientTop || 0);
}
// Handle key presses
event.which = event.charCode || event.keyCode;
// Fix button for mouse clicks:
// 0 == left; 1 == middle; 2 == right
if (event.button !== null && event.button !== undefined) {
// The following is disabled because it does not pass videojs-standard
// and... yikes.
/* eslint-disable */
event.button = event.button & 1 ? 0 : event.button & 4 ? 1 : event.button & 2 ? 2 : 0;
/* eslint-enable */
}
}
// Returns fixed-up instance
return event;
}
/**
* Whether passive event listeners are supported
*/
var _supportsPassive = false;
(function () {
try {
var opts = Object.defineProperty({}, 'passive', {
get: function get() {
_supportsPassive = true;
}
});
window_1.addEventListener('test', null, opts);
} catch (e) {
// disregard
}
})();
/**
* Touch events Chrome expects to be passive
*/
var passiveEvents = ['touchstart', 'touchmove'];
/**
* Add an event listener to element
* It stores the handler function in a separate cache object
* and adds a generic handler to the element's event,
* along with a unique id (guid) to the element.
*
* @param {Element|Object} elem
* Element or object to bind listeners to
*
* @param {string|string[]} type
* Type of event to bind to.
*
* @param {EventTarget~EventListener} fn
* Event listener.
*/
function on(elem, type, fn) {
if (Array.isArray(type)) {
return _handleMultipleEvents(on, elem, type, fn);
}
var data = getData(elem);
// We need a place to store all our handler data
if (!data.handlers) {
data.handlers = {};
}
if (!data.handlers[type]) {
data.handlers[type] = [];
}
if (!fn.guid) {
fn.guid = newGUID();
}
data.handlers[type].push(fn);
if (!data.dispatcher) {
data.disabled = false;
data.dispatcher = function (event, hash) {
if (data.disabled) {
return;
}
event = fixEvent(event);
var handlers = data.handlers[event.type];
if (handlers) {
// Copy handlers so if handlers are added/removed during the process it doesn't throw everything off.
var handlersCopy = handlers.slice(0);
for (var m = 0, n = handlersCopy.length; m < n; m++) {
if (event.isImmediatePropagationStopped()) {
break;
} else {
try {
handlersCopy[m].call(elem, event, hash);
} catch (e) {
log$1.error(e);
}
}
}
}
};
}
if (data.handlers[type].length === 1) {
if (elem.addEventListener) {
var options = false;
if (_supportsPassive && passiveEvents.indexOf(type) > -1) {
options = { passive: true };
}
elem.addEventListener(type, data.dispatcher, options);
} else if (elem.attachEvent) {
elem.attachEvent('on' + type, data.dispatcher);
}
}
}
/**
* Removes event listeners from an element
*
* @param {Element|Object} elem
* Object to remove listeners from.
*
* @param {string|string[]} [type]
* Type of listener to remove. Don't include to remove all events from element.
*
* @param {EventTarget~EventListener} [fn]
* Specific listener to remove. Don't include to remove listeners for an event
* type.
*/
function off(elem, type, fn) {
// Don't want to add a cache object through getElData if not needed
if (!hasData(elem)) {
return;
}
var data = getData(elem);
// If no events exist, nothing to unbind
if (!data.handlers) {
return;
}
if (Array.isArray(type)) {
return _handleMultipleEvents(off, elem, type, fn);
}
// Utility function
var removeType = function removeType(t) {
data.handlers[t] = [];
_cleanUpEvents(elem, t);
};
// Are we removing all bound events?
if (type === undefined) {
for (var t in data.handlers) {
if (Object.prototype.hasOwnProperty.call(data.handlers || {}, t)) {
removeType(t);
}
}
return;
}
var handlers = data.handlers[type];
// If no handlers exist, nothing to unbind
if (!handlers) {
return;
}
// If no listener was provided, remove all listeners for type
if (!fn) {
removeType(type);
return;
}
// We're only removing a single handler
if (fn.guid) {
for (var n = 0; n < handlers.length; n++) {
if (handlers[n].guid === fn.guid) {
handlers.splice(n--, 1);
}
}
}
_cleanUpEvents(elem, type);
}
/**
* Trigger an event for an element
*
* @param {Element|Object} elem
* Element to trigger an event on
*
* @param {EventTarget~Event|string} event
* A string (the type) or an event object with a type attribute
*
* @param {Object} [hash]
* data hash to pass along with the event
*
* @return {boolean|undefined}
* - Returns the opposite of `defaultPrevented` if default was prevented
* - Otherwise returns undefined
*/
function trigger(elem, event, hash) {
// Fetches element data and a reference to the parent (for bubbling).
// Don't want to add a data object to cache for every parent,
// so checking hasElData first.
var elemData = hasData(elem) ? getData(elem) : {};
var parent = elem.parentNode || elem.ownerDocument;
// type = event.type || event,
// handler;
// If an event name was passed as a string, creates an event out of it
if (typeof event === 'string') {
event = { type: event, target: elem };
}
// Normalizes the event properties.
event = fixEvent(event);
// If the passed element has a dispatcher, executes the established handlers.
if (elemData.dispatcher) {
elemData.dispatcher.call(elem, event, hash);
}
// Unless explicitly stopped or the event does not bubble (e.g. media events)
// recursively calls this function to bubble the event up the DOM.
if (parent && !event.isPropagationStopped() && event.bubbles === true) {
trigger.call(null, parent, event, hash);
// If at the top of the DOM, triggers the default action unless disabled.
} else if (!parent && !event.defaultPrevented) {
var targetData = getData(event.target);
// Checks if the target has a default action for this event.
if (event.target[event.type]) {
// Temporarily disables event dispatching on the target as we have already executed the handler.
targetData.disabled = true;
// Executes the default action.
if (typeof event.target[event.type] === 'function') {
event.target[event.type]();
}
// Re-enables event dispatching.
targetData.disabled = false;
}
}
// Inform the triggerer if the default was prevented by returning false
return !event.defaultPrevented;
}
/**
* Trigger a listener only once for an event
*
* @param {Element|Object} elem
* Element or object to bind to.
*
* @param {string|string[]} type
* Name/type of event
*
* @param {Event~EventListener} fn
* Event Listener function
*/
function one(elem, type, fn) {
if (Array.isArray(type)) {
return _handleMultipleEvents(one, elem, type, fn);
}
var func = function func() {
off(elem, type, func);
fn.apply(this, arguments);
};
// copy the guid to the new function so it can removed using the original function's ID
func.guid = fn.guid = fn.guid || newGUID();
on(elem, type, func);
}
var Events = (Object.freeze || Object)({
fixEvent: fixEvent,
on: on,
off: off,
trigger: trigger,
one: one
});
/**
* @file setup.js - Functions for setting up a player without
* user interaction based on the data-setup `attribute` of the video tag.
*
* @module setup
*/
var _windowLoaded = false;
var videojs$2 = void 0;
/**
* Set up any tags that have a data-setup `attribute` when the player is started.
*/
var autoSetup = function autoSetup() {
// Protect against breakage in non-browser environments.
if (!isReal()) {
return;
}
// One day, when we stop supporting IE8, go back to this, but in the meantime...*hack hack hack*
// var vids = Array.prototype.slice.call(document.getElementsByTagName('video'));
// var audios = Array.prototype.slice.call(document.getElementsByTagName('audio'));
// var mediaEls = vids.concat(audios);
// Because IE8 doesn't support calling slice on a node list, we need to loop
// through each list of elements to build up a new, combined list of elements.
var vids = document_1.getElementsByTagName('video');
var audios = document_1.getElementsByTagName('audio');
var mediaEls = [];
if (vids && vids.length > 0) {
for (var i = 0, e = vids.length; i < e; i++) {
mediaEls.push(vids[i]);
}
}
if (audios && audios.length > 0) {
for (var _i = 0, _e = audios.length; _i < _e; _i++) {
mediaEls.push(audios[_i]);
}
}
// Check if any media elements exist
if (mediaEls && mediaEls.length > 0) {
for (var _i2 = 0, _e2 = mediaEls.length; _i2 < _e2; _i2++) {
var mediaEl = mediaEls[_i2];
// Check if element exists, has getAttribute func.
// IE seems to consider typeof el.getAttribute == 'object' instead of
// 'function' like expected, at least when loading the player immediately.
if (mediaEl && mediaEl.getAttribute) {
// Make sure this player hasn't already been set up.
if (mediaEl.player === undefined) {
var options = mediaEl.getAttribute('data-setup');
// Check if data-setup attr exists.
// We only auto-setup if they've added the data-setup attr.
if (options !== null) {
// Create new video.js instance.
videojs$2(mediaEl);
}
}
// If getAttribute isn't defined, we need to wait for the DOM.
} else {
autoSetupTimeout(1);
break;
}
}
// No videos were found, so keep looping unless page is finished loading.
} else if (!_windowLoaded) {
autoSetupTimeout(1);
}
};
/**
* Wait until the page is loaded before running autoSetup. This will be called in
* autoSetup if `hasLoaded` returns false.
*
* @param {number} wait
* How long to wait in ms
*
* @param {module:videojs} [vjs]
* The videojs library function
*/
function autoSetupTimeout(wait, vjs) {
if (vjs) {
videojs$2 = vjs;
}
window_1.setTimeout(autoSetup, wait);
}
if (isReal() && document_1.readyState === 'complete') {
_windowLoaded = true;
} else {
/**
* Listen for the load event on window, and set _windowLoaded to true.
*
* @listens load
*/
one(window_1, 'load', function () {
_windowLoaded = true;
});
}
/**
* @file stylesheet.js
* @module stylesheet
*/
/**
* Create a DOM syle element given a className for it.
*
* @param {string} className
* The className to add to the created style element.
*
* @return {Element}
* The element that was created.
*/
var createStyleElement = function createStyleElement(className) {
var style = document_1.createElement('style');
style.className = className;
return style;
};
/**
* Add text to a DOM element.
*
* @param {Element} el
* The Element to add text content to.
*
* @param {string} content
* The text to add to the element.
*/
var setTextContent = function setTextContent(el, content) {
if (el.styleSheet) {
el.styleSheet.cssText = content;
} else {
el.textContent = content;
}
};
/**
* @file fn.js
* @module fn
*/
/**
* Bind (a.k.a proxy or Context). A simple method for changing the context of a function
* It also stores a unique id on the function so it can be easily removed from events.
*
* @param {Mixed} context
* The object to bind as scope.
*
* @param {Function} fn
* The function to be bound to a scope.
*
* @param {number} [uid]
* An optional unique ID for the function to be set
*
* @return {Function}
* The new function that will be bound into the context given
*/
var bind = function bind(context, fn, uid) {
// Make sure the function has a unique ID
if (!fn.guid) {
fn.guid = newGUID();
}
// Create the new function that changes the context
var bound = function bound() {
return fn.apply(context, arguments);
};
// Allow for the ability to individualize this function
// Needed in the case where multiple objects might share the same prototype
// IF both items add an event listener with the same function, then you try to remove just one
// it will remove both because they both have the same guid.
// when using this, you need to use the bind method when you remove the listener as well.
// currently used in text tracks
bound.guid = uid ? uid + '_' + fn.guid : fn.guid;
return bound;
};
/**
* Wraps the given function, `fn`, with a new function that only invokes `fn`
* at most once per every `wait` milliseconds.
*
* @param {Function} fn
* The function to be throttled.
*
* @param {Number} wait
* The number of milliseconds by which to throttle.
*
* @return {Function}
*/
var throttle = function throttle(fn, wait) {
var last = Date.now();
var throttled = function throttled() {
var now = Date.now();
if (now - last >= wait) {
fn.apply(undefined, arguments);
last = now;
}
};
return throttled;
};
/**
* @file src/js/event-target.js
*/
/**
* `EventTarget` is a class that can have the same API as the DOM `EventTarget`. It
* adds shorthand functions that wrap around lengthy functions. For example:
* the `on` function is a wrapper around `addEventListener`.
*
* @see [EventTarget Spec]{@link https://www.w3.org/TR/DOM-Level-2-Events/events.html#Events-EventTarget}
* @class EventTarget
*/
var EventTarget = function EventTarget() {};
/**
* A Custom DOM event.
*
* @typedef {Object} EventTarget~Event
* @see [Properties]{@link https://developer.mozilla.org/en-US/docs/Web/API/CustomEvent}
*/
/**
* All event listeners should follow the following format.
*
* @callback EventTarget~EventListener
* @this {EventTarget}
*
* @param {EventTarget~Event} event
* the event that triggered this function
*
* @param {Object} [hash]
* hash of data sent during the event
*/
/**
* An object containing event names as keys and booleans as values.
*
* > NOTE: If an event name is set to a true value here {@link EventTarget#trigger}
* will have extra functionality. See that function for more information.
*
* @property EventTarget.prototype.allowedEvents_
* @private
*/
EventTarget.prototype.allowedEvents_ = {};
/**
* Adds an `event listener` to an instance of an `EventTarget`. An `event listener` is a
* function that will get called when an event with a certain name gets triggered.
*
* @param {string|string[]} type
* An event name or an array of event names.
*
* @param {EventTarget~EventListener} fn
* The function to call with `EventTarget`s
*/
EventTarget.prototype.on = function (type, fn) {
// Remove the addEventListener alias before calling Events.on
// so we don't get into an infinite type loop
var ael = this.addEventListener;
this.addEventListener = function () {};
on(this, type, fn);
this.addEventListener = ael;
};
/**
* An alias of {@link EventTarget#on}. Allows `EventTarget` to mimic
* the standard DOM API.
*
* @function
* @see {@link EventTarget#on}
*/
EventTarget.prototype.addEventListener = EventTarget.prototype.on;
/**
* Removes an `event listener` for a specific event from an instance of `EventTarget`.
* This makes it so that the `event listener` will no longer get called when the
* named event happens.
*
* @param {string|string[]} type
* An event name or an array of event names.
*
* @param {EventTarget~EventListener} fn
* The function to remove.
*/
EventTarget.prototype.off = function (type, fn) {
off(this, type, fn);
};
/**
* An alias of {@link EventTarget#off}. Allows `EventTarget` to mimic
* the standard DOM API.
*
* @function
* @see {@link EventTarget#off}
*/
EventTarget.prototype.removeEventListener = EventTarget.prototype.off;
/**
* This function will add an `event listener` that gets triggered only once. After the
* first trigger it will get removed. This is like adding an `event listener`
* with {@link EventTarget#on} that calls {@link EventTarget#off} on itself.
*
* @param {string|string[]} type
* An event name or an array of event names.
*
* @param {EventTarget~EventListener} fn
* The function to be called once for each event name.
*/
EventTarget.prototype.one = function (type, fn) {
// Remove the addEventListener alialing Events.on
// so we don't get into an infinite type loop
var ael = this.addEventListener;
this.addEventListener = function () {};
one(this, type, fn);
this.addEventListener = ael;
};
/**
* This function causes an event to happen. This will then cause any `event listeners`
* that are waiting for that event, to get called. If there are no `event listeners`
* for an event then nothing will happen.
*
* If the name of the `Event` that is being triggered is in `EventTarget.allowedEvents_`.
* Trigger will also call the `on` + `uppercaseEventName` function.
*
* Example:
* 'click' is in `EventTarget.allowedEvents_`, so, trigger will attempt to call
* `onClick` if it exists.
*
* @param {string|EventTarget~Event|Object} event
* The name of the event, an `Event`, or an object with a key of type set to
* an event name.
*/
EventTarget.prototype.trigger = function (event) {
var type = event.type || event;
if (typeof event === 'string') {
event = { type: type };
}
event = fixEvent(event);
if (this.allowedEvents_[type] && this['on' + type]) {
this['on' + type](event);
}
trigger(this, event);
};
/**
* An alias of {@link EventTarget#trigger}. Allows `EventTarget` to mimic
* the standard DOM API.
*
* @function
* @see {@link EventTarget#trigger}
*/
EventTarget.prototype.dispatchEvent = EventTarget.prototype.trigger;
/**
* @file mixins/evented.js
* @module evented
*/
/**
* Returns whether or not an object has had the evented mixin applied.
*
* @param {Object} object
* An object to test.
*
* @return {boolean}
* Whether or not the object appears to be evented.
*/
var isEvented = function isEvented(object) {
return object instanceof EventTarget || !!object.eventBusEl_ && ['on', 'one', 'off', 'trigger'].every(function (k) {
return typeof object[k] === 'function';
});
};
/**
* Whether a value is a valid event type - non-empty string or array.
*
* @private
* @param {string|Array} type
* The type value to test.
*
* @return {boolean}
* Whether or not the type is a valid event type.
*/
var isValidEventType = function isValidEventType(type) {
return (
// The regex here verifies that the `type` contains at least one non-
// whitespace character.
typeof type === 'string' && /\S/.test(type) || Array.isArray(type) && !!type.length
);
};
/**
* Validates a value to determine if it is a valid event target. Throws if not.
*
* @private
* @throws {Error}
* If the target does not appear to be a valid event target.
*
* @param {Object} target
* The object to test.
*/
var validateTarget = function validateTarget(target) {
if (!target.nodeName && !isEvented(target)) {
throw new Error('Invalid target; must be a DOM node or evented object.');
}
};
/**
* Validates a value to determine if it is a valid event target. Throws if not.
*
* @private
* @throws {Error}
* If the type does not appear to be a valid event type.
*
* @param {string|Array} type
* The type to test.
*/
var validateEventType = function validateEventType(type) {
if (!isValidEventType(type)) {
throw new Error('Invalid event type; must be a non-empty string or array.');
}
};
/**
* Validates a value to determine if it is a valid listener. Throws if not.
*
* @private
* @throws {Error}
* If the listener is not a function.
*
* @param {Function} listener
* The listener to test.
*/
var validateListener = function validateListener(listener) {
if (typeof listener !== 'function') {
throw new Error('Invalid listener; must be a function.');
}
};
/**
* Takes an array of arguments given to `on()` or `one()`, validates them, and
* normalizes them into an object.
*
* @private
* @param {Object} self
* The evented object on which `on()` or `one()` was called. This
* object will be bound as the `this` value for the listener.
*
* @param {Array} args
* An array of arguments passed to `on()` or `one()`.
*
* @return {Object}
* An object containing useful values for `on()` or `one()` calls.
*/
var normalizeListenArgs = function normalizeListenArgs(self, args) {
// If the number of arguments is less than 3, the target is always the
// evented object itself.
var isTargetingSelf = args.length < 3 || args[0] === self || args[0] === self.eventBusEl_;
var target = void 0;
var type = void 0;
var listener = void 0;
if (isTargetingSelf) {
target = self.eventBusEl_;
// Deal with cases where we got 3 arguments, but we are still listening to
// the evented object itself.
if (args.length >= 3) {
args.shift();
}
type = args[0];
listener = args[1];
} else {
target = args[0];
type = args[1];
listener = args[2];
}
validateTarget(target);
validateEventType(type);
validateListener(listener);
listener = bind(self, listener);
return { isTargetingSelf: isTargetingSelf, target: target, type: type, listener: listener };
};
/**
* Adds the listener to the event type(s) on the target, normalizing for
* the type of target.
*
* @private
* @param {Element|Object} target
* A DOM node or evented object.
*
* @param {string} method
* The event binding method to use ("on" or "one").
*
* @param {string|Array} type
* One or more event type(s).
*
* @param {Function} listener
* A listener function.
*/
var listen = function listen(target, method, type, listener) {
validateTarget(target);
if (target.nodeName) {
Events[method](target, type, listener);
} else {
target[method](type, listener);
}
};
/**
* Contains methods that provide event capabilites to an object which is passed
* to {@link module:evented|evented}.
*
* @mixin EventedMixin
*/
var EventedMixin = {
/**
* Add a listener to an event (or events) on this object or another evented
* object.
*
* @param {string|Array|Element|Object} targetOrType
* If this is a string or array, it represents the event type(s)
* that will trigger the listener.
*
* Another evented object can be passed here instead, which will
* cause the listener to listen for events on _that_ object.
*
* In either case, the listener's `this` value will be bound to
* this object.
*
* @param {string|Array|Function} typeOrListener
* If the first argument was a string or array, this should be the
* listener function. Otherwise, this is a string or array of event
* type(s).
*
* @param {Function} [listener]
* If the first argument was another evented object, this will be
* the listener function.
*/
on: function on$$1() {
var _this = this;
for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
args[_key] = arguments[_key];
}
var _normalizeListenArgs = normalizeListenArgs(this, args),
isTargetingSelf = _normalizeListenArgs.isTargetingSelf,
target = _normalizeListenArgs.target,
type = _normalizeListenArgs.type,
listener = _normalizeListenArgs.listener;
listen(target, 'on', type, listener);
// If this object is listening to another evented object.
if (!isTargetingSelf) {
// If this object is disposed, remove the listener.
var removeListenerOnDispose = function removeListenerOnDispose() {
return _this.off(target, type, listener);
};
// Use the same function ID as the listener so we can remove it later it
// using the ID of the original listener.
removeListenerOnDispose.guid = listener.guid;
// Add a listener to the target's dispose event as well. This ensures
// that if the target is disposed BEFORE this object, we remove the
// removal listener that was just added. Otherwise, we create a memory leak.
var removeRemoverOnTargetDispose = function removeRemoverOnTargetDispose() {
return _this.off('dispose', removeListenerOnDispose);
};
// Use the same function ID as the listener so we can remove it later
// it using the ID of the original listener.
removeRemoverOnTargetDispose.guid = listener.guid;
listen(this, 'on', 'dispose', removeListenerOnDispose);
listen(target, 'on', 'dispose', removeRemoverOnTargetDispose);
}
},
/**
* Add a listener to an event (or events) on this object or another evented
* object. The listener will only be called once and then removed.
*
* @param {string|Array|Element|Object} targetOrType
* If this is a string or array, it represents the event type(s)
* that will trigger the listener.
*
* Another evented object can be passed here instead, which will
* cause the listener to listen for events on _that_ object.
*
* In either case, the listener's `this` value will be bound to
* this object.
*
* @param {string|Array|Function} typeOrListener
* If the first argument was a string or array, this should be the
* listener function. Otherwise, this is a string or array of event
* type(s).
*
* @param {Function} [listener]
* If the first argument was another evented object, this will be
* the listener function.
*/
one: function one$$1() {
var _this2 = this;
for (var _len2 = arguments.length, args = Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
args[_key2] = arguments[_key2];
}
var _normalizeListenArgs2 = normalizeListenArgs(this, args),
isTargetingSelf = _normalizeListenArgs2.isTargetingSelf,
target = _normalizeListenArgs2.target,
type = _normalizeListenArgs2.type,
listener = _normalizeListenArgs2.listener;
// Targeting this evented object.
if (isTargetingSelf) {
listen(target, 'one', type, listener);
// Targeting another evented object.
} else {
var wrapper = function wrapper() {
for (var _len3 = arguments.length, largs = Array(_len3), _key3 = 0; _key3 < _len3; _key3++) {
largs[_key3] = arguments[_key3];
}
_this2.off(target, type, wrapper);
listener.apply(null, largs);
};
// Use the same function ID as the listener so we can remove it later
// it using the ID of the original listener.
wrapper.guid = listener.guid;
listen(target, 'one', type, wrapper);
}
},
/**
* Removes listener(s) from event(s) on an evented object.
*
* @param {string|Array|Element|Object} [targetOrType]
* If this is a string or array, it represents the event type(s).
*
* Another evented object can be passed here instead, in which case
* ALL 3 arguments are _required_.
*
* @param {string|Array|Function} [typeOrListener]
* If the first argument was a string or array, this may be the
* listener function. Otherwise, this is a string or array of event
* type(s).
*
* @param {Function} [listener]
* If the first argument was another evented object, this will be
* the listener function; otherwise, _all_ listeners bound to the
* event type(s) will be removed.
*/
off: function off$$1(targetOrType, typeOrListener, listener) {
// Targeting this evented object.
if (!targetOrType || isValidEventType(targetOrType)) {
off(this.eventBusEl_, targetOrType, typeOrListener);
// Targeting another evented object.
} else {
var target = targetOrType;
var type = typeOrListener;
// Fail fast and in a meaningful way!
validateTarget(target);
validateEventType(type);
validateListener(listener);
// Ensure there's at least a guid, even if the function hasn't been used
listener = bind(this, listener);
// Remove the dispose listener on this evented object, which was given
// the same guid as the event listener in on().
this.off('dispose', listener);
if (target.nodeName) {
off(target, type, listener);
off(target, 'dispose', listener);
} else if (isEvented(target)) {
target.off(type, listener);
target.off('dispose', listener);
}
}
},
/**
* Fire an event on this evented object, causing its listeners to be called.
*
* @param {string|Object} event
* An event type or an object with a type property.
*
* @param {Object} [hash]
* An additional object to pass along to listeners.
*
* @returns {boolean}
* Whether or not the default behavior was prevented.
*/
trigger: function trigger$$1(event, hash) {
return trigger(this.eventBusEl_, event, hash);
}
};
/**
* Applies {@link module:evented~EventedMixin|EventedMixin} to a target object.
*
* @param {Object} target
* The object to which to add event methods.
*
* @param {Object} [options={}]
* Options for customizing the mixin behavior.
*
* @param {String} [options.eventBusKey]
* By default, adds a `eventBusEl_` DOM element to the target object,
* which is used as an event bus. If the target object already has a
* DOM element that should be used, pass its key here.
*
* @return {Object}
* The target object.
*/
function evented(target) {
var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
var eventBusKey = options.eventBusKey;
// Set or create the eventBusEl_.
if (eventBusKey) {
if (!target[eventBusKey].nodeName) {
throw new Error('The eventBusKey "' + eventBusKey + '" does not refer to an element.');
}
target.eventBusEl_ = target[eventBusKey];
} else {
target.eventBusEl_ = createEl('span', { className: 'vjs-event-bus' });
}
assign(target, EventedMixin);
// When any evented object is disposed, it removes all its listeners.
target.on('dispose', function () {
return target.off();
});
return target;
}
/**
* @file mixins/stateful.js
* @module stateful
*/
/**
* Contains methods that provide statefulness to an object which is passed
* to {@link module:stateful}.
*
* @mixin StatefulMixin
*/
var StatefulMixin = {
/**
* A hash containing arbitrary keys and values representing the state of
* the object.
*
* @type {Object}
*/
state: {},
/**
* Set the state of an object by mutating its
* {@link module:stateful~StatefulMixin.state|state} object in place.
*
* @fires module:stateful~StatefulMixin#statechanged
* @param {Object|Function} stateUpdates
* A new set of properties to shallow-merge into the plugin state.
* Can be a plain object or a function returning a plain object.
*
* @returns {Object|undefined}
* An object containing changes that occurred. If no changes
* occurred, returns `undefined`.
*/
setState: function setState(stateUpdates) {
var _this = this;
// Support providing the `stateUpdates` state as a function.
if (typeof stateUpdates === 'function') {
stateUpdates = stateUpdates();
}
var changes = void 0;
each(stateUpdates, function (value, key) {
// Record the change if the value is different from what's in the
// current state.
if (_this.state[key] !== value) {
changes = changes || {};
changes[key] = {
from: _this.state[key],
to: value
};
}
_this.state[key] = value;
});
// Only trigger "statechange" if there were changes AND we have a trigger
// function. This allows us to not require that the target object be an
// evented object.
if (changes && isEvented(this)) {
/**
* An event triggered on an object that is both
* {@link module:stateful|stateful} and {@link module:evented|evented}
* indicating that its state has changed.
*
* @event module:stateful~StatefulMixin#statechanged
* @type {Object}
* @property {Object} changes
* A hash containing the properties that were changed and
* the values they were changed `from` and `to`.
*/
this.trigger({
changes: changes,
type: 'statechanged'
});
}
return changes;
}
};
/**
* Applies {@link module:stateful~StatefulMixin|StatefulMixin} to a target
* object.
*
* If the target object is {@link module:evented|evented} and has a
* `handleStateChanged` method, that method will be automatically bound to the
* `statechanged` event on itself.
*
* @param {Object} target
* The object to be made stateful.
*
* @param {Object} [defaultState]
* A default set of properties to populate the newly-stateful object's
* `state` property.
*
* @returns {Object}
* Returns the `target`.
*/
function stateful(target, defaultState) {
assign(target, StatefulMixin);
// This happens after the mixing-in because we need to replace the `state`
// added in that step.
target.state = assign({}, target.state, defaultState);
// Auto-bind the `handleStateChanged` method of the target object if it exists.
if (typeof target.handleStateChanged === 'function' && isEvented(target)) {
target.on('statechanged', target.handleStateChanged);
}
return target;
}
/**
* @file to-title-case.js
* @module to-title-case
*/
/**
* Uppercase the first letter of a string.
*
* @param {string} string
* String to be uppercased
*
* @return {string}
* The string with an uppercased first letter
*/
function toTitleCase(string) {
if (typeof string !== 'string') {
return string;
}
return string.charAt(0).toUpperCase() + string.slice(1);
}
/**
* Compares the TitleCase versions of the two strings for equality.
*
* @param {string} str1
* The first string to compare
*
* @param {string} str2
* The second string to compare
*
* @return {boolean}
* Whether the TitleCase versions of the strings are equal
*/
function titleCaseEquals(str1, str2) {
return toTitleCase(str1) === toTitleCase(str2);
}
/**
* @file merge-options.js
* @module merge-options
*/
/**
* Deep-merge one or more options objects, recursively merging **only** plain
* object properties.
*
* @param {Object[]} sources
* One or more objects to merge into a new object.
*
* @returns {Object}
* A new object that is the merged result of all sources.
*/
function mergeOptions() {
var result = {};
for (var _len = arguments.length, sources = Array(_len), _key = 0; _key < _len; _key++) {
sources[_key] = arguments[_key];
}
sources.forEach(function (source) {
if (!source) {
return;
}
each(source, function (value, key) {
if (!isPlain(value)) {
result[key] = value;
return;
}
if (!isPlain(result[key])) {
result[key] = {};
}
result[key] = mergeOptions(result[key], value);
});
});
return result;
}
/**
* Player Component - Base class for all UI objects
*
* @file component.js
*/
/**
* Base class for all UI Components.
* Components are UI objects which represent both a javascript object and an element
* in the DOM. They can be children of other components, and can have
* children themselves.
*
* Components can also use methods from {@link EventTarget}
*/
var Component = function () {
/**
* A callback that is called when a component is ready. Does not have any
* paramters and any callback value will be ignored.
*
* @callback Component~ReadyCallback
* @this Component
*/
/**
* Creates an instance of this class.
*
* @param {Player} player
* The `Player` that this class should be attached to.
*
* @param {Object} [options]
* The key/value store of player options.
*
* @param {Object[]} [options.children]
* An array of children objects to intialize this component with. Children objects have
* a name property that will be used if more than one component of the same type needs to be
* added.
*
* @param {Component~ReadyCallback} [ready]
* Function that gets called when the `Component` is ready.
*/
function Component(player, options, ready) {
classCallCheck(this, Component);
// The component might be the player itself and we can't pass `this` to super
if (!player && this.play) {
this.player_ = player = this; // eslint-disable-line
} else {
this.player_ = player;
}
// Make a copy of prototype.options_ to protect against overriding defaults
this.options_ = mergeOptions({}, this.options_);
// Updated options with supplied options
options = this.options_ = mergeOptions(this.options_, options);
// Get ID from options or options element if one is supplied
this.id_ = options.id || options.el && options.el.id;
// If there was no ID from the options, generate one
if (!this.id_) {
// Don't require the player ID function in the case of mock players
var id = player && player.id && player.id() || 'no_player';
this.id_ = id + '_component_' + newGUID();
}
this.name_ = options.name || null;
// Create element if one wasn't provided in options
if (options.el) {
this.el_ = options.el;
} else if (options.createEl !== false) {
this.el_ = this.createEl();
}
// Make this an evented object and use `el_`, if available, as its event bus
evented(this, { eventBusKey: this.el_ ? 'el_' : null });
stateful(this, this.constructor.defaultState);
this.children_ = [];
this.childIndex_ = {};
this.childNameIndex_ = {};
// Add any child components in options
if (options.initChildren !== false) {
this.initChildren();
}
this.ready(ready);
// Don't want to trigger ready here or it will before init is actually
// finished for all children that run this constructor
if (options.reportTouchActivity !== false) {
this.enableTouchActivity();
}
}
/**
* Dispose of the `Component` and all child components.
*
* @fires Component#dispose
*/
Component.prototype.dispose = function dispose() {
/**
* Triggered when a `Component` is disposed.
*
* @event Component#dispose
* @type {EventTarget~Event}
*
* @property {boolean} [bubbles=false]
* set to false so that the close event does not
* bubble up
*/
this.trigger({ type: 'dispose', bubbles: false });
// Dispose all children.
if (this.children_) {
for (var i = this.children_.length - 1; i >= 0; i--) {
if (this.children_[i].dispose) {
this.children_[i].dispose();
}
}
}
// Delete child references
this.children_ = null;
this.childIndex_ = null;
this.childNameIndex_ = null;
if (this.el_) {
// Remove element from DOM
if (this.el_.parentNode) {
this.el_.parentNode.removeChild(this.el_);
}
removeData(this.el_);
this.el_ = null;
}
};
/**
* Return the {@link Player} that the `Component` has attached to.
*
* @return {Player}
* The player that this `Component` has attached to.
*/
Component.prototype.player = function player() {
return this.player_;
};
/**
* Deep merge of options objects with new options.
* > Note: When both `obj` and `options` contain properties whose values are objects.
* The two properties get merged using {@link module:mergeOptions}
*
* @param {Object} obj
* The object that contains new options.
*
* @return {Object}
* A new object of `this.options_` and `obj` merged together.
*
* @deprecated since version 5
*/
Component.prototype.options = function options(obj) {
log$1.warn('this.options() has been deprecated and will be moved to the constructor in 6.0');
if (!obj) {
return this.options_;
}
this.options_ = mergeOptions(this.options_, obj);
return this.options_;
};
/**
* Get the `Component`s DOM element
*
* @return {Element}
* The DOM element for this `Component`.
*/
Component.prototype.el = function el() {
return this.el_;
};
/**
* Create the `Component`s DOM element.
*
* @param {string} [tagName]
* Element's DOM node type. e.g. 'div'
*
* @param {Object} [properties]
* An object of properties that should be set.
*
* @param {Object} [attributes]
* An object of attributes that should be set.
*
* @return {Element}
* The element that gets created.
*/
Component.prototype.createEl = function createEl$$1(tagName, properties, attributes) {
return createEl(tagName, properties, attributes);
};
/**
* Localize a string given the string in english.
*
* If tokens are provided, it'll try and run a simple token replacement on the provided string.
* The tokens it loooks for look like `{1}` with the index being 1-indexed into the tokens array.
*
* If a `defaultValue` is provided, it'll use that over `string`,
* if a value isn't found in provided language files.
* This is useful if you want to have a descriptive key for token replacement
* but have a succinct localized string and not require `en.json` to be included.
*
* Currently, it is used for the progress bar timing.
* ```js
* {
* "progress bar timing: currentTime={1} duration={2}": "{1} of {2}"
* }
* ```
* It is then used like so:
* ```js
* this.localize('progress bar timing: currentTime={1} duration{2}',
* [this.player_.currentTime(), this.player_.duration()],
* '{1} of {2}');
* ```
*
* Which outputs something like: `01:23 of 24:56`.
*
*
* @param {string} string
* The string to localize and the key to lookup in the language files.
* @param {string[]} [tokens]
* If the current item has token replacements, provide the tokens here.
* @param {string} [defaultValue]
* Defaults to `string`. Can be a default value to use for token replacement
* if the lookup key is needed to be separate.
*
* @return {string}
* The localized string or if no localization exists the english string.
*/
Component.prototype.localize = function localize(string, tokens) {
var defaultValue = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : string;
var code = this.player_.language && this.player_.language();
var languages = this.player_.languages && this.player_.languages();
var language = languages && languages[code];
var primaryCode = code && code.split('-')[0];
var primaryLang = languages && languages[primaryCode];
var localizedString = defaultValue;
if (language && language[string]) {
localizedString = language[string];
} else if (primaryLang && primaryLang[string]) {
localizedString = primaryLang[string];
}
if (tokens) {
localizedString = localizedString.replace(/\{(\d+)\}/g, function (match, index) {
var value = tokens[index - 1];
var ret = value;
if (typeof value === 'undefined') {
ret = match;
}
return ret;
});
}
return localizedString;
};
/**
* Return the `Component`s DOM element. This is where children get inserted.
* This will usually be the the same as the element returned in {@link Component#el}.
*
* @return {Element}
* The content element for this `Component`.
*/
Component.prototype.contentEl = function contentEl() {
return this.contentEl_ || this.el_;
};
/**
* Get this `Component`s ID
*
* @return {string}
* The id of this `Component`
*/
Component.prototype.id = function id() {
return this.id_;
};
/**
* Get the `Component`s name. The name gets used to reference the `Component`
* and is set during registration.
*
* @return {string}
* The name of this `Component`.
*/
Component.prototype.name = function name() {
return this.name_;
};
/**
* Get an array of all child components
*
* @return {Array}
* The children
*/
Component.prototype.children = function children() {
return this.children_;
};
/**
* Returns the child `Component` with the given `id`.
*
* @param {string} id
* The id of the child `Component` to get.
*
* @return {Component|undefined}
* The child `Component` with the given `id` or undefined.
*/
Component.prototype.getChildById = function getChildById(id) {
return this.childIndex_[id];
};
/**
* Returns the child `Component` with the given `name`.
*
* @param {string} name
* The name of the child `Component` to get.
*
* @return {Component|undefined}
* The child `Component` with the given `name` or undefined.
*/
Component.prototype.getChild = function getChild(name) {
if (!name) {
return;
}
name = toTitleCase(name);
return this.childNameIndex_[name];
};
/**
* Add a child `Component` inside the current `Component`.
*
*
* @param {string|Component} child
* The name or instance of a child to add.
*
* @param {Object} [options={}]
* The key/value store of options that will get passed to children of
* the child.
*
* @param {number} [index=this.children_.length]
* The index to attempt to add a child into.
*
* @return {Component}
* The `Component` that gets added as a child. When using a string the
* `Component` will get created by this process.
*/
Component.prototype.addChild = function addChild(child) {
var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
var index = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : this.children_.length;
var component = void 0;
var componentName = void 0;
// If child is a string, create component with options
if (typeof child === 'string') {
componentName = toTitleCase(child);
var componentClassName = options.componentClass || componentName;
// Set name through options
options.name = componentName;
// Create a new object & element for this controls set
// If there's no .player_, this is a player
var ComponentClass = Component.getComponent(componentClassName);
if (!ComponentClass) {
throw new Error('Component ' + componentClassName + ' does not exist');
}
// data stored directly on the videojs object may be
// misidentified as a component to retain
// backwards-compatibility with 4.x. check to make sure the
// component class can be instantiated.
if (typeof ComponentClass !== 'function') {
return null;
}
component = new ComponentClass(this.player_ || this, options);
// child is a component instance
} else {
component = child;
}
this.children_.splice(index, 0, component);
if (typeof component.id === 'function') {
this.childIndex_[component.id()] = component;
}
// If a name wasn't used to create the component, check if we can use the
// name function of the component
componentName = componentName || component.name && toTitleCase(component.name());
if (componentName) {
this.childNameIndex_[componentName] = component;
}
// Add the UI object's element to the container div (box)
// Having an element is not required
if (typeof component.el === 'function' && component.el()) {
var childNodes = this.contentEl().children;
var refNode = childNodes[index] || null;
this.contentEl().insertBefore(component.el(), refNode);
}
// Return so it can stored on parent object if desired.
return component;
};
/**
* Remove a child `Component` from this `Component`s list of children. Also removes
* the child `Component`s element from this `Component`s element.
*
* @param {Component} component
* The child `Component` to remove.
*/
Component.prototype.removeChild = function removeChild(component) {
if (typeof component === 'string') {
component = this.getChild(component);
}
if (!component || !this.children_) {
return;
}
var childFound = false;
for (var i = this.children_.length - 1; i >= 0; i--) {
if (this.children_[i] === component) {
childFound = true;
this.children_.splice(i, 1);
break;
}
}
if (!childFound) {
return;
}
this.childIndex_[component.id()] = null;
this.childNameIndex_[component.name()] = null;
var compEl = component.el();
if (compEl && compEl.parentNode === this.contentEl()) {
this.contentEl().removeChild(component.el());
}
};
/**
* Add and initialize default child `Component`s based upon options.
*/
Component.prototype.initChildren = function initChildren() {
var _this = this;
var children = this.options_.children;
if (children) {
// `this` is `parent`
var parentOptions = this.options_;
var handleAdd = function handleAdd(child) {
var name = child.name;
var opts = child.opts;
// Allow options for children to be set at the parent options
// e.g. videojs(id, { controlBar: false });
// instead of videojs(id, { children: { controlBar: false });
if (parentOptions[name] !== undefined) {
opts = parentOptions[name];
}
// Allow for disabling default components
// e.g. options['children']['posterImage'] = false
if (opts === false) {
return;
}
// Allow options to be passed as a simple boolean if no configuration
// is necessary.
if (opts === true) {
opts = {};
}
// We also want to pass the original player options
// to each component as well so they don't need to
// reach back into the player for options later.
opts.playerOptions = _this.options_.playerOptions;
// Create and add the child component.
// Add a direct reference to the child by name on the parent instance.
// If two of the same component are used, different names should be supplied
// for each
var newChild = _this.addChild(name, opts);
if (newChild) {
_this[name] = newChild;
}
};
// Allow for an array of children details to passed in the options
var workingChildren = void 0;
var Tech = Component.getComponent('Tech');
if (Array.isArray(children)) {
workingChildren = children;
} else {
workingChildren = Object.keys(children);
}
workingChildren
// children that are in this.options_ but also in workingChildren would
// give us extra children we do not want. So, we want to filter them out.
.concat(Object.keys(this.options_).filter(function (child) {
return !workingChildren.some(function (wchild) {
if (typeof wchild === 'string') {
return child === wchild;
}
return child === wchild.name;
});
})).map(function (child) {
var name = void 0;
var opts = void 0;
if (typeof child === 'string') {
name = child;
opts = children[name] || _this.options_[name] || {};
} else {
name = child.name;
opts = child;
}
return { name: name, opts: opts };
}).filter(function (child) {
// we have to make sure that child.name isn't in the techOrder since
// techs are registerd as Components but can't aren't compatible
// See https://github.com/videojs/video.js/issues/2772
var c = Component.getComponent(child.opts.componentClass || toTitleCase(child.name));
return c && !Tech.isTech(c);
}).forEach(handleAdd);
}
};
/**
* Builds the default DOM class name. Should be overriden by sub-components.
*
* @return {string}
* The DOM class name for this object.
*
* @abstract
*/
Component.prototype.buildCSSClass = function buildCSSClass() {
// Child classes can include a function that does:
// return 'CLASS NAME' + this._super();
return '';
};
/**
* Bind a listener to the component's ready state.
* Different from event listeners in that if the ready event has already happened
* it will trigger the function immediately.
*
* @return {Component}
* Returns itself; method can be chained.
*/
Component.prototype.ready = function ready(fn) {
var sync = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
if (!fn) {
return;
}
if (!this.isReady_) {
this.readyQueue_ = this.readyQueue_ || [];
this.readyQueue_.push(fn);
return;
}
if (sync) {
fn.call(this);
} else {
// Call the function asynchronously by default for consistency
this.setTimeout(fn, 1);
}
};
/**
* Trigger all the ready listeners for this `Component`.
*
* @fires Component#ready
*/
Component.prototype.triggerReady = function triggerReady() {
this.isReady_ = true;
// Ensure ready is triggerd asynchronously
this.setTimeout(function () {
var readyQueue = this.readyQueue_;
// Reset Ready Queue
this.readyQueue_ = [];
if (readyQueue && readyQueue.length > 0) {
readyQueue.forEach(function (fn) {
fn.call(this);
}, this);
}
// Allow for using event listeners also
/**
* Triggered when a `Component` is ready.
*
* @event Component#ready
* @type {EventTarget~Event}
*/
this.trigger('ready');
}, 1);
};
/**
* Find a single DOM element matching a `selector`. This can be within the `Component`s
* `contentEl()` or another custom context.
*
* @param {string} selector
* A valid CSS selector, which will be passed to `querySelector`.
*
* @param {Element|string} [context=this.contentEl()]
* A DOM element within which to query. Can also be a selector string in
* which case the first matching element will get used as context. If
* missing `this.contentEl()` gets used. If `this.contentEl()` returns
* nothing it falls back to `document`.
*
* @return {Element|null}
* the dom element that was found, or null
*
* @see [Information on CSS Selectors](https://developer.mozilla.org/en-US/docs/Web/Guide/CSS/Getting_Started/Selectors)
*/
Component.prototype.$ = function $$$1(selector, context) {
return $(selector, context || this.contentEl());
};
/**
* Finds all DOM element matching a `selector`. This can be within the `Component`s
* `contentEl()` or another custom context.
*
* @param {string} selector
* A valid CSS selector, which will be passed to `querySelectorAll`.
*
* @param {Element|string} [context=this.contentEl()]
* A DOM element within which to query. Can also be a selector string in
* which case the first matching element will get used as context. If
* missing `this.contentEl()` gets used. If `this.contentEl()` returns
* nothing it falls back to `document`.
*
* @return {NodeList}
* a list of dom elements that were found
*
* @see [Information on CSS Selectors](https://developer.mozilla.org/en-US/docs/Web/Guide/CSS/Getting_Started/Selectors)
*/
Component.prototype.$$ = function $$$$1(selector, context) {
return $$(selector, context || this.contentEl());
};
/**
* Check if a component's element has a CSS class name.
*
* @param {string} classToCheck
* CSS class name to check.
*
* @return {boolean}
* - True if the `Component` has the class.
* - False if the `Component` does not have the class`
*/
Component.prototype.hasClass = function hasClass$$1(classToCheck) {
return hasClass(this.el_, classToCheck);
};
/**
* Add a CSS class name to the `Component`s element.
*
* @param {string} classToAdd
* CSS class name to add
*/
Component.prototype.addClass = function addClass$$1(classToAdd) {
addClass(this.el_, classToAdd);
};
/**
* Remove a CSS class name from the `Component`s element.
*
* @param {string} classToRemove
* CSS class name to remove
*/
Component.prototype.removeClass = function removeClass$$1(classToRemove) {
removeClass(this.el_, classToRemove);
};
/**
* Add or remove a CSS class name from the component's element.
* - `classToToggle` gets added when {@link Component#hasClass} would return false.
* - `classToToggle` gets removed when {@link Component#hasClass} would return true.
*
* @param {string} classToToggle
* The class to add or remove based on (@link Component#hasClass}
*
* @param {boolean|Dom~predicate} [predicate]
* An {@link Dom~predicate} function or a boolean
*/
Component.prototype.toggleClass = function toggleClass$$1(classToToggle, predicate) {
toggleClass(this.el_, classToToggle, predicate);
};
/**
* Show the `Component`s element if it is hidden by removing the
* 'vjs-hidden' class name from it.
*/
Component.prototype.show = function show() {
this.removeClass('vjs-hidden');
};
/**
* Hide the `Component`s element if it is currently showing by adding the
* 'vjs-hidden` class name to it.
*/
Component.prototype.hide = function hide() {
this.addClass('vjs-hidden');
};
/**
* Lock a `Component`s element in its visible state by adding the 'vjs-lock-showing'
* class name to it. Used during fadeIn/fadeOut.
*
* @private
*/
Component.prototype.lockShowing = function lockShowing() {
this.addClass('vjs-lock-showing');
};
/**
* Unlock a `Component`s element from its visible state by removing the 'vjs-lock-showing'
* class name from it. Used during fadeIn/fadeOut.
*
* @private
*/
Component.prototype.unlockShowing = function unlockShowing() {
this.removeClass('vjs-lock-showing');
};
/**
* Get the value of an attribute on the `Component`s element.
*
* @param {string} attribute
* Name of the attribute to get the value from.
*
* @return {string|null}
* - The value of the attribute that was asked for.
* - Can be an empty string on some browsers if the attribute does not exist
* or has no value
* - Most browsers will return null if the attibute does not exist or has
* no value.
*
* @see [DOM API]{@link https://developer.mozilla.org/en-US/docs/Web/API/Element/getAttribute}
*/
Component.prototype.getAttribute = function getAttribute$$1(attribute) {
return getAttribute(this.el_, attribute);
};
/**
* Set the value of an attribute on the `Component`'s element
*
* @param {string} attribute
* Name of the attribute to set.
*
* @param {string} value
* Value to set the attribute to.
*
* @see [DOM API]{@link https://developer.mozilla.org/en-US/docs/Web/API/Element/setAttribute}
*/
Component.prototype.setAttribute = function setAttribute$$1(attribute, value) {
setAttribute(this.el_, attribute, value);
};
/**
* Remove an attribute from the `Component`s element.
*
* @param {string} attribute
* Name of the attribute to remove.
*
* @see [DOM API]{@link https://developer.mozilla.org/en-US/docs/Web/API/Element/removeAttribute}
*/
Component.prototype.removeAttribute = function removeAttribute$$1(attribute) {
removeAttribute(this.el_, attribute);
};
/**
* Get or set the width of the component based upon the CSS styles.
* See {@link Component#dimension} for more detailed information.
*
* @param {number|string} [num]
* The width that you want to set postfixed with '%', 'px' or nothing.
*
* @param {boolean} [skipListeners]
* Skip the componentresize event trigger
*
* @return {number|string}
* The width when getting, zero if there is no width. Can be a string
* postpixed with '%' or 'px'.
*/
Component.prototype.width = function width(num, skipListeners) {
return this.dimension('width', num, skipListeners);
};
/**
* Get or set the height of the component based upon the CSS styles.
* See {@link Component#dimension} for more detailed information.
*
* @param {number|string} [num]
* The height that you want to set postfixed with '%', 'px' or nothing.
*
* @param {boolean} [skipListeners]
* Skip the componentresize event trigger
*
* @return {number|string}
* The width when getting, zero if there is no width. Can be a string
* postpixed with '%' or 'px'.
*/
Component.prototype.height = function height(num, skipListeners) {
return this.dimension('height', num, skipListeners);
};
/**
* Set both the width and height of the `Component` element at the same time.
*
* @param {number|string} width
* Width to set the `Component`s element to.
*
* @param {number|string} height
* Height to set the `Component`s element to.
*/
Component.prototype.dimensions = function dimensions(width, height) {
// Skip componentresize listeners on width for optimization
this.width(width, true);
this.height(height);
};
/**
* Get or set width or height of the `Component` element. This is the shared code
* for the {@link Component#width} and {@link Component#height}.
*
* Things to know:
* - If the width or height in an number this will return the number postfixed with 'px'.
* - If the width/height is a percent this will return the percent postfixed with '%'
* - Hidden elements have a width of 0 with `window.getComputedStyle`. This function
* defaults to the `Component`s `style.width` and falls back to `window.getComputedStyle`.
* See [this]{@link http://www.foliotek.com/devblog/getting-the-width-of-a-hidden-element-with-jquery-using-width/}
* for more information
* - If you want the computed style of the component, use {@link Component#currentWidth}
* and {@link {Component#currentHeight}
*
* @fires Component#componentresize
*
* @param {string} widthOrHeight
8 'width' or 'height'
*
* @param {number|string} [num]
8 New dimension
*
* @param {boolean} [skipListeners]
* Skip componentresize event trigger
*
* @return {number}
* The dimension when getting or 0 if unset
*/
Component.prototype.dimension = function dimension(widthOrHeight, num, skipListeners) {
if (num !== undefined) {
// Set to zero if null or literally NaN (NaN !== NaN)
if (num === null || num !== num) {
num = 0;
}
// Check if using css width/height (% or px) and adjust
if (('' + num).indexOf('%') !== -1 || ('' + num).indexOf('px') !== -1) {
this.el_.style[widthOrHeight] = num;
} else if (num === 'auto') {
this.el_.style[widthOrHeight] = '';
} else {
this.el_.style[widthOrHeight] = num + 'px';
}
// skipListeners allows us to avoid triggering the resize event when setting both width and height
if (!skipListeners) {
/**
* Triggered when a component is resized.
*
* @event Component#componentresize
* @type {EventTarget~Event}
*/
this.trigger('componentresize');
}
return;
}
// Not setting a value, so getting it
// Make sure element exists
if (!this.el_) {
return 0;
}
// Get dimension value from style
var val = this.el_.style[widthOrHeight];
var pxIndex = val.indexOf('px');
if (pxIndex !== -1) {
// Return the pixel value with no 'px'
return parseInt(val.slice(0, pxIndex), 10);
}
// No px so using % or no style was set, so falling back to offsetWidth/height
// If component has display:none, offset will return 0
// TODO: handle display:none and no dimension style using px
return parseInt(this.el_['offset' + toTitleCase(widthOrHeight)], 10);
};
/**
* Get the width or the height of the `Component` elements computed style. Uses
* `window.getComputedStyle`.
*
* @param {string} widthOrHeight
* A string containing 'width' or 'height'. Whichever one you want to get.
*
* @return {number}
* The dimension that gets asked for or 0 if nothing was set
* for that dimension.
*/
Component.prototype.currentDimension = function currentDimension(widthOrHeight) {
var computedWidthOrHeight = 0;
if (widthOrHeight !== 'width' && widthOrHeight !== 'height') {
throw new Error('currentDimension only accepts width or height value');
}
if (typeof window_1.getComputedStyle === 'function') {
var computedStyle = window_1.getComputedStyle(this.el_);
computedWidthOrHeight = computedStyle.getPropertyValue(widthOrHeight) || computedStyle[widthOrHeight];
}
// remove 'px' from variable and parse as integer
computedWidthOrHeight = parseFloat(computedWidthOrHeight);
// if the computed value is still 0, it's possible that the browser is lying
// and we want to check the offset values.
// This code also runs on IE8 and wherever getComputedStyle doesn't exist.
if (computedWidthOrHeight === 0) {
var rule = 'offset' + toTitleCase(widthOrHeight);
computedWidthOrHeight = this.el_[rule];
}
return computedWidthOrHeight;
};
/**
* An object that contains width and height values of the `Component`s
* computed style. Uses `window.getComputedStyle`.
*
* @typedef {Object} Component~DimensionObject
*
* @property {number} width
* The width of the `Component`s computed style.
*
* @property {number} height
* The height of the `Component`s computed style.
*/
/**
* Get an object that contains width and height values of the `Component`s
* computed style.
*
* @return {Component~DimensionObject}
* The dimensions of the components element
*/
Component.prototype.currentDimensions = function currentDimensions() {
return {
width: this.currentDimension('width'),
height: this.currentDimension('height')
};
};
/**
* Get the width of the `Component`s computed style. Uses `window.getComputedStyle`.
*
* @return {number} width
* The width of the `Component`s computed style.
*/
Component.prototype.currentWidth = function currentWidth() {
return this.currentDimension('width');
};
/**
* Get the height of the `Component`s computed style. Uses `window.getComputedStyle`.
*
* @return {number} height
* The height of the `Component`s computed style.
*/
Component.prototype.currentHeight = function currentHeight() {
return this.currentDimension('height');
};
/**
* Set the focus to this component
*/
Component.prototype.focus = function focus() {
this.el_.focus();
};
/**
* Remove the focus from this component
*/
Component.prototype.blur = function blur() {
this.el_.blur();
};
/**
* Emit a 'tap' events when touch event support gets detected. This gets used to
* support toggling the controls through a tap on the video. They get enabled
* because every sub-component would have extra overhead otherwise.
*
* @private
* @fires Component#tap
* @listens Component#touchstart
* @listens Component#touchmove
* @listens Component#touchleave
* @listens Component#touchcancel
* @listens Component#touchend
*/
Component.prototype.emitTapEvents = function emitTapEvents() {
// Track the start time so we can determine how long the touch lasted
var touchStart = 0;
var firstTouch = null;
// Maximum movement allowed during a touch event to still be considered a tap
// Other popular libs use anywhere from 2 (hammer.js) to 15,
// so 10 seems like a nice, round number.
var tapMovementThreshold = 10;
// The maximum length a touch can be while still being considered a tap
var touchTimeThreshold = 200;
var couldBeTap = void 0;
this.on('touchstart', function (event) {
// If more than one finger, don't consider treating this as a click
if (event.touches.length === 1) {
// Copy pageX/pageY from the object
firstTouch = {
pageX: event.touches[0].pageX,
pageY: event.touches[0].pageY
};
// Record start time so we can detect a tap vs. "touch and hold"
touchStart = new Date().getTime();
// Reset couldBeTap tracking
couldBeTap = true;
}
});
this.on('touchmove', function (event) {
// If more than one finger, don't consider treating this as a click
if (event.touches.length > 1) {
couldBeTap = false;
} else if (firstTouch) {
// Some devices will throw touchmoves for all but the slightest of taps.
// So, if we moved only a small distance, this could still be a tap
var xdiff = event.touches[0].pageX - firstTouch.pageX;
var ydiff = event.touches[0].pageY - firstTouch.pageY;
var touchDistance = Math.sqrt(xdiff * xdiff + ydiff * ydiff);
if (touchDistance > tapMovementThreshold) {
couldBeTap = false;
}
}
});
var noTap = function noTap() {
couldBeTap = false;
};
// TODO: Listen to the original target. http://youtu.be/DujfpXOKUp8?t=13m8s
this.on('touchleave', noTap);
this.on('touchcancel', noTap);
// When the touch ends, measure how long it took and trigger the appropriate
// event
this.on('touchend', function (event) {
firstTouch = null;
// Proceed only if the touchmove/leave/cancel event didn't happen
if (couldBeTap === true) {
// Measure how long the touch lasted
var touchTime = new Date().getTime() - touchStart;
// Make sure the touch was less than the threshold to be considered a tap
if (touchTime < touchTimeThreshold) {
// Don't let browser turn this into a click
event.preventDefault();
/**
* Triggered when a `Component` is tapped.
*
* @event Component#tap
* @type {EventTarget~Event}
*/
this.trigger('tap');
// It may be good to copy the touchend event object and change the
// type to tap, if the other event properties aren't exact after
// Events.fixEvent runs (e.g. event.target)
}
}
});
};
/**
* This function reports user activity whenever touch events happen. This can get
* turned off by any sub-components that wants touch events to act another way.
*
* Report user touch activity when touch events occur. User activity gets used to
* determine when controls should show/hide. It is simple when it comes to mouse
* events, because any mouse event should show the controls. So we capture mouse
* events that bubble up to the player and report activity when that happens.
* With touch events it isn't as easy as `touchstart` and `touchend` toggle player
* controls. So touch events can't help us at the player level either.
*
* User activity gets checked asynchronously. So what could happen is a tap event
* on the video turns the controls off. Then the `touchend` event bubbles up to
* the player. Which, if it reported user activity, would turn the controls right
* back on. We also don't want to completely block touch events from bubbling up.
* Furthermore a `touchmove` event and anything other than a tap, should not turn
* controls back on.
*
* @listens Component#touchstart
* @listens Component#touchmove
* @listens Component#touchend
* @listens Component#touchcancel
*/
Component.prototype.enableTouchActivity = function enableTouchActivity() {
// Don't continue if the root player doesn't support reporting user activity
if (!this.player() || !this.player().reportUserActivity) {
return;
}
// listener for reporting that the user is active
var report = bind(this.player(), this.player().reportUserActivity);
var touchHolding = void 0;
this.on('touchstart', function () {
report();
// For as long as the they are touching the device or have their mouse down,
// we consider them active even if they're not moving their finger or mouse.
// So we want to continue to update that they are active
this.clearInterval(touchHolding);
// report at the same interval as activityCheck
touchHolding = this.setInterval(report, 250);
});
var touchEnd = function touchEnd(event) {
report();
// stop the interval that maintains activity if the touch is holding
this.clearInterval(touchHolding);
};
this.on('touchmove', report);
this.on('touchend', touchEnd);
this.on('touchcancel', touchEnd);
};
/**
* A callback that has no parameters and is bound into `Component`s context.
*
* @callback Component~GenericCallback
* @this Component
*/
/**
* Creates a function that runs after an `x` millisecond timeout. This function is a
* wrapper around `window.setTimeout`. There are a few reasons to use this one
* instead though:
* 1. It gets cleared via {@link Component#clearTimeout} when
* {@link Component#dispose} gets called.
* 2. The function callback will gets turned into a {@link Component~GenericCallback}
*
* > Note: You can use `window.clearTimeout` on the id returned by this function. This
* will cause its dispose listener not to get cleaned up! Please use
* {@link Component#clearTimeout} or {@link Component#dispose}.
*
* @param {Component~GenericCallback} fn
* The function that will be run after `timeout`.
*
* @param {number} timeout
* Timeout in milliseconds to delay before executing the specified function.
*
* @return {number}
* Returns a timeout ID that gets used to identify the timeout. It can also
* get used in {@link Component#clearTimeout} to clear the timeout that
* was set.
*
* @listens Component#dispose
* @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/WindowTimers/setTimeout}
*/
Component.prototype.setTimeout = function setTimeout(fn, timeout) {
var _this2 = this;
fn = bind(this, fn);
var timeoutId = window_1.setTimeout(fn, timeout);
var disposeFn = function disposeFn() {
return _this2.clearTimeout(timeoutId);
};
disposeFn.guid = 'vjs-timeout-' + timeoutId;
this.on('dispose', disposeFn);
return timeoutId;
};
/**
* Clears a timeout that gets created via `window.setTimeout` or
* {@link Component#setTimeout}. If you set a timeout via {@link Component#setTimeout}
* use this function instead of `window.clearTimout`. If you don't your dispose
* listener will not get cleaned up until {@link Component#dispose}!
*
* @param {number} timeoutId
* The id of the timeout to clear. The return value of
* {@link Component#setTimeout} or `window.setTimeout`.
*
* @return {number}
* Returns the timeout id that was cleared.
*
* @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/WindowTimers/clearTimeout}
*/
Component.prototype.clearTimeout = function clearTimeout(timeoutId) {
window_1.clearTimeout(timeoutId);
var disposeFn = function disposeFn() {};
disposeFn.guid = 'vjs-timeout-' + timeoutId;
this.off('dispose', disposeFn);
return timeoutId;
};
/**
* Creates a function that gets run every `x` milliseconds. This function is a wrapper
* around `window.setInterval`. There are a few reasons to use this one instead though.
* 1. It gets cleared via {@link Component#clearInterval} when
* {@link Component#dispose} gets called.
* 2. The function callback will be a {@link Component~GenericCallback}
*
* @param {Component~GenericCallback} fn
* The function to run every `x` seconds.
*
* @param {number} interval
* Execute the specified function every `x` milliseconds.
*
* @return {number}
* Returns an id that can be used to identify the interval. It can also be be used in
* {@link Component#clearInterval} to clear the interval.
*
* @listens Component#dispose
* @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/WindowTimers/setInterval}
*/
Component.prototype.setInterval = function setInterval(fn, interval) {
var _this3 = this;
fn = bind(this, fn);
var intervalId = window_1.setInterval(fn, interval);
var disposeFn = function disposeFn() {
return _this3.clearInterval(intervalId);
};
disposeFn.guid = 'vjs-interval-' + intervalId;
this.on('dispose', disposeFn);
return intervalId;
};
/**
* Clears an interval that gets created via `window.setInterval` or
* {@link Component#setInterval}. If you set an inteval via {@link Component#setInterval}
* use this function instead of `window.clearInterval`. If you don't your dispose
* listener will not get cleaned up until {@link Component#dispose}!
*
* @param {number} intervalId
* The id of the interval to clear. The return value of
* {@link Component#setInterval} or `window.setInterval`.
*
* @return {number}
* Returns the interval id that was cleared.
*
* @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/WindowTimers/clearInterval}
*/
Component.prototype.clearInterval = function clearInterval(intervalId) {
window_1.clearInterval(intervalId);
var disposeFn = function disposeFn() {};
disposeFn.guid = 'vjs-interval-' + intervalId;
this.off('dispose', disposeFn);
return intervalId;
};
/**
* Queues up a callback to be passed to requestAnimationFrame (rAF), but
* with a few extra bonuses:
*
* - Supports browsers that do not support rAF by falling back to
* {@link Component#setTimeout}.
*
* - The callback is turned into a {@link Component~GenericCallback} (i.e.
* bound to the component).
*
* - Automatic cancellation of the rAF callback is handled if the component
* is disposed before it is called.
*
* @param {Component~GenericCallback} fn
* A function that will be bound to this component and executed just
* before the browser's next repaint.
*
* @return {number}
* Returns an rAF ID that gets used to identify the timeout. It can
* also be used in {@link Component#cancelAnimationFrame} to cancel
* the animation frame callback.
*
* @listens Component#dispose
* @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/window/requestAnimationFrame}
*/
Component.prototype.requestAnimationFrame = function requestAnimationFrame(fn) {
var _this4 = this;
if (this.supportsRaf_) {
fn = bind(this, fn);
var id = window_1.requestAnimationFrame(fn);
var disposeFn = function disposeFn() {
return _this4.cancelAnimationFrame(id);
};
disposeFn.guid = 'vjs-raf-' + id;
this.on('dispose', disposeFn);
return id;
}
// Fall back to using a timer.
return this.setTimeout(fn, 1000 / 60);
};
/**
* Cancels a queued callback passed to {@link Component#requestAnimationFrame}
* (rAF).
*
* If you queue an rAF callback via {@link Component#requestAnimationFrame},
* use this function instead of `window.cancelAnimationFrame`. If you don't,
* your dispose listener will not get cleaned up until {@link Component#dispose}!
*
* @param {number} id
* The rAF ID to clear. The return value of {@link Component#requestAnimationFrame}.
*
* @return {number}
* Returns the rAF ID that was cleared.
*
* @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/window/cancelAnimationFrame}
*/
Component.prototype.cancelAnimationFrame = function cancelAnimationFrame(id) {
if (this.supportsRaf_) {
window_1.cancelAnimationFrame(id);
var disposeFn = function disposeFn() {};
disposeFn.guid = 'vjs-raf-' + id;
this.off('dispose', disposeFn);
return id;
}
// Fall back to using a timer.
return this.clearTimeout(id);
};
/**
* Register a `Component` with `videojs` given the name and the component.
*
* > NOTE: {@link Tech}s should not be registered as a `Component`. {@link Tech}s
* should be registered using {@link Tech.registerTech} or
* {@link videojs:videojs.registerTech}.
*
* > NOTE: This function can also be seen on videojs as
* {@link videojs:videojs.registerComponent}.
*
* @param {string} name
* The name of the `Component` to register.
*
* @param {Component} ComponentToRegister
* The `Component` class to register.
*
* @return {Component}
* The `Component` that was registered.
*/
Component.registerComponent = function registerComponent(name, ComponentToRegister) {
if (typeof name !== 'string' || !name) {
throw new Error('Illegal component name, "' + name + '"; must be a non-empty string.');
}
var Tech = Component.getComponent('Tech');
// We need to make sure this check is only done if Tech has been registered.
var isTech = Tech && Tech.isTech(ComponentToRegister);
var isComp = Component === ComponentToRegister || Component.prototype.isPrototypeOf(ComponentToRegister.prototype);
if (isTech || !isComp) {
var reason = void 0;
if (isTech) {
reason = 'techs must be registered using Tech.registerTech()';
} else {
reason = 'must be a Component subclass';
}
throw new Error('Illegal component, "' + name + '"; ' + reason + '.');
}
name = toTitleCase(name);
if (!Component.components_) {
Component.components_ = {};
}
var Player = Component.getComponent('Player');
if (name === 'Player' && Player && Player.players) {
var players = Player.players;
var playerNames = Object.keys(players);
// If we have players that were disposed, then their name will still be
// in Players.players. So, we must loop through and verify that the value
// for each item is not null. This allows registration of the Player component
// after all players have been disposed or before any were created.
if (players && playerNames.length > 0 && playerNames.map(function (pname) {
return players[pname];
}).every(Boolean)) {
throw new Error('Can not register Player component after player has been created.');
}
}
Component.components_[name] = ComponentToRegister;
return ComponentToRegister;
};
/**
* Get a `Component` based on the name it was registered with.
*
* @param {string} name
* The Name of the component to get.
*
* @return {Component}
* The `Component` that got registered under the given name.
*
* @deprecated In `videojs` 6 this will not return `Component`s that were not
* registered using {@link Component.registerComponent}. Currently we
* check the global `videojs` object for a `Component` name and
* return that if it exists.
*/
Component.getComponent = function getComponent(name) {
if (!name) {
return;
}
name = toTitleCase(name);
if (Component.components_ && Component.components_[name]) {
return Component.components_[name];
}
};
return Component;
}();
/**
* Whether or not this component supports `requestAnimationFrame`.
*
* This is exposed primarily for testing purposes.
*
* @private
* @type {Boolean}
*/
Component.prototype.supportsRaf_ = typeof window_1.requestAnimationFrame === 'function' && typeof window_1.cancelAnimationFrame === 'function';
Component.registerComponent('Component', Component);
/**
* @file time-ranges.js
* @module time-ranges
*/
/**
* Returns the time for the specified index at the start or end
* of a TimeRange object.
*
* @function time-ranges:indexFunction
*
* @param {number} [index=0]
* The range number to return the time for.
*
* @return {number}
* The time that offset at the specified index.
*
* @depricated index must be set to a value, in the future this will throw an error.
*/
/**
* An object that contains ranges of time for various reasons.
*
* @typedef {Object} TimeRange
*
* @property {number} length
* The number of time ranges represented by this Object
*
* @property {time-ranges:indexFunction} start
* Returns the time offset at which a specified time range begins.
*
* @property {time-ranges:indexFunction} end
* Returns the time offset at which a specified time range begins.
*
* @see https://developer.mozilla.org/en-US/docs/Web/API/TimeRanges
*/
/**
* Check if any of the time ranges are over the maximum index.
*
* @param {string} fnName
* The function name to use for logging
*
* @param {number} index
* The index to check
*
* @param {number} maxIndex
* The maximum possible index
*
* @throws {Error} if the timeRanges provided are over the maxIndex
*/
function rangeCheck(fnName, index, maxIndex) {
if (typeof index !== 'number' || index < 0 || index > maxIndex) {
throw new Error('Failed to execute \'' + fnName + '\' on \'TimeRanges\': The index provided (' + index + ') is non-numeric or out of bounds (0-' + maxIndex + ').');
}
}
/**
* Check if any of the time ranges are over the maximum index.
*
* @param {string} fnName
* The function name to use for logging
*
* @param {string} valueIndex
* The proprety that should be used to get the time. should be 'start' or 'end'
*
* @param {Array} ranges
* An array of time ranges
*
* @param {Array} [rangeIndex=0]
* The index to start the search at
*
* @return {number}
* The time that offset at the specified index.
*
*
* @depricated rangeIndex must be set to a value, in the future this will throw an error.
* @throws {Error} if rangeIndex is more than the length of ranges
*/
function getRange(fnName, valueIndex, ranges, rangeIndex) {
rangeCheck(fnName, rangeIndex, ranges.length - 1);
return ranges[rangeIndex][valueIndex];
}
/**
* Create a time range object givent ranges of time.
*
* @param {Array} [ranges]
* An array of time ranges.
*/
function createTimeRangesObj(ranges) {
if (ranges === undefined || ranges.length === 0) {
return {
length: 0,
start: function start() {
throw new Error('This TimeRanges object is empty');
},
end: function end() {
throw new Error('This TimeRanges object is empty');
}
};
}
return {
length: ranges.length,
start: getRange.bind(null, 'start', 0, ranges),
end: getRange.bind(null, 'end', 1, ranges)
};
}
/**
* Should create a fake `TimeRange` object which mimics an HTML5 time range instance.
*
* @param {number|Array} start
* The start of a single range or an array of ranges
*
* @param {number} end
* The end of a single range.
*
* @private
*/
function createTimeRanges(start, end) {
if (Array.isArray(start)) {
return createTimeRangesObj(start);
} else if (start === undefined || end === undefined) {
return createTimeRangesObj();
}
return createTimeRangesObj([[start, end]]);
}
/**
* @file buffer.js
* @module buffer
*/
/**
* Compute the percentage of the media that has been buffered.
*
* @param {TimeRange} buffered
* The current `TimeRange` object representing buffered time ranges
*
* @param {number} duration
* Total duration of the media
*
* @return {number}
* Percent buffered of the total duration in decimal form.
*/
function bufferedPercent(buffered, duration) {
var bufferedDuration = 0;
var start = void 0;
var end = void 0;
if (!duration) {
return 0;
}
if (!buffered || !buffered.length) {
buffered = createTimeRanges(0, 0);
}
for (var i = 0; i < buffered.length; i++) {
start = buffered.start(i);
end = buffered.end(i);
// buffered end can be bigger than duration by a very small fraction
if (end > duration) {
end = duration;
}
bufferedDuration += end - start;
}
return bufferedDuration / duration;
}
/**
* @file fullscreen-api.js
* @module fullscreen-api
* @private
*/
/**
* Store the browser-specific methods for the fullscreen API.
*
* @type {Object}
* @see [Specification]{@link https://fullscreen.spec.whatwg.org}
* @see [Map Approach From Screenfull.js]{@link https://github.com/sindresorhus/screenfull.js}
*/
var FullscreenApi = {};
// browser API methods
var apiMap = [['requestFullscreen', 'exitFullscreen', 'fullscreenElement', 'fullscreenEnabled', 'fullscreenchange', 'fullscreenerror'],
// WebKit
['webkitRequestFullscreen', 'webkitExitFullscreen', 'webkitFullscreenElement', 'webkitFullscreenEnabled', 'webkitfullscreenchange', 'webkitfullscreenerror'],
// Old WebKit (Safari 5.1)
['webkitRequestFullScreen', 'webkitCancelFullScreen', 'webkitCurrentFullScreenElement', 'webkitCancelFullScreen', 'webkitfullscreenchange', 'webkitfullscreenerror'],
// Mozilla
['mozRequestFullScreen', 'mozCancelFullScreen', 'mozFullScreenElement', 'mozFullScreenEnabled', 'mozfullscreenchange', 'mozfullscreenerror'],
// Microsoft
['msRequestFullscreen', 'msExitFullscreen', 'msFullscreenElement', 'msFullscreenEnabled', 'MSFullscreenChange', 'MSFullscreenError']];
var specApi = apiMap[0];
var browserApi = void 0;
// determine the supported set of functions
for (var i = 0; i < apiMap.length; i++) {
// check for exitFullscreen function
if (apiMap[i][1] in document_1) {
browserApi = apiMap[i];
break;
}
}
// map the browser API names to the spec API names
if (browserApi) {
for (var _i = 0; _i < browserApi.length; _i++) {
FullscreenApi[specApi[_i]] = browserApi[_i];
}
}
/**
* @file media-error.js
*/
/**
* A Custom `MediaError` class which mimics the standard HTML5 `MediaError` class.
*
* @param {number|string|Object|MediaError} value
* This can be of multiple types:
* - number: should be a standard error code
* - string: an error message (the code will be 0)
* - Object: arbitrary properties
* - `MediaError` (native): used to populate a video.js `MediaError` object
* - `MediaError` (video.js): will return itself if it's already a
* video.js `MediaError` object.
*
* @see [MediaError Spec]{@link https://dev.w3.org/html5/spec-author-view/video.html#mediaerror}
* @see [Encrypted MediaError Spec]{@link https://www.w3.org/TR/2013/WD-encrypted-media-20130510/#error-codes}
*
* @class MediaError
*/
function MediaError(value) {
// Allow redundant calls to this constructor to avoid having `instanceof`
// checks peppered around the code.
if (value instanceof MediaError) {
return value;
}
if (typeof value === 'number') {
this.code = value;
} else if (typeof value === 'string') {
// default code is zero, so this is a custom error
this.message = value;
} else if (isObject(value)) {
// We assign the `code` property manually because native `MediaError` objects
// do not expose it as an own/enumerable property of the object.
if (typeof value.code === 'number') {
this.code = value.code;
}
assign(this, value);
}
if (!this.message) {
this.message = MediaError.defaultMessages[this.code] || '';
}
}
/**
* The error code that refers two one of the defined `MediaError` types
*
* @type {Number}
*/
MediaError.prototype.code = 0;
/**
* An optional message that to show with the error. Message is not part of the HTML5
* video spec but allows for more informative custom errors.
*
* @type {String}
*/
MediaError.prototype.message = '';
/**
* An optional status code that can be set by plugins to allow even more detail about
* the error. For example a plugin might provide a specific HTTP status code and an
* error message for that code. Then when the plugin gets that error this class will
* know how to display an error message for it. This allows a custom message to show
* up on the `Player` error overlay.
*
* @type {Array}
*/
MediaError.prototype.status = null;
/**
* Errors indexed by the W3C standard. The order **CANNOT CHANGE**! See the
* specification listed under {@link MediaError} for more information.
*
* @enum {array}
* @readonly
* @property {string} 0 - MEDIA_ERR_CUSTOM
* @property {string} 1 - MEDIA_ERR_CUSTOM
* @property {string} 2 - MEDIA_ERR_ABORTED
* @property {string} 3 - MEDIA_ERR_NETWORK
* @property {string} 4 - MEDIA_ERR_SRC_NOT_SUPPORTED
* @property {string} 5 - MEDIA_ERR_ENCRYPTED
*/
MediaError.errorTypes = ['MEDIA_ERR_CUSTOM', 'MEDIA_ERR_ABORTED', 'MEDIA_ERR_NETWORK', 'MEDIA_ERR_DECODE', 'MEDIA_ERR_SRC_NOT_SUPPORTED', 'MEDIA_ERR_ENCRYPTED'];
/**
* The default `MediaError` messages based on the {@link MediaError.errorTypes}.
*
* @type {Array}
* @constant
*/
MediaError.defaultMessages = {
1: 'You aborted the media playback',
2: 'A network error caused the media download to fail part-way.',
3: 'The media playback was aborted due to a corruption problem or because the media used features your browser did not support.',
4: 'The media could not be loaded, either because the server or network failed or because the format is not supported.',
5: 'The media is encrypted and we do not have the keys to decrypt it.'
};
// Add types as properties on MediaError
// e.g. MediaError.MEDIA_ERR_SRC_NOT_SUPPORTED = 4;
for (var errNum = 0; errNum < MediaError.errorTypes.length; errNum++) {
MediaError[MediaError.errorTypes[errNum]] = errNum;
// values should be accessible on both the class and instance
MediaError.prototype[MediaError.errorTypes[errNum]] = errNum;
}
var tuple = SafeParseTuple;
function SafeParseTuple(obj, reviver) {
var json;
var error = null;
try {
json = JSON.parse(obj, reviver);
} catch (err) {
error = err;
}
return [error, json]
}
/**
* @file text-track-list-converter.js Utilities for capturing text track state and
* re-creating tracks based on a capture.
*
* @module text-track-list-converter
*/
/**
* Examine a single {@link TextTrack} and return a JSON-compatible javascript object that
* represents the {@link TextTrack}'s state.
*
* @param {TextTrack} track
* The text track to query.
*
* @return {Object}
* A serializable javascript representation of the TextTrack.
* @private
*/
var trackToJson_ = function trackToJson_(track) {
var ret = ['kind', 'label', 'language', 'id', 'inBandMetadataTrackDispatchType', 'mode', 'src'].reduce(function (acc, prop, i) {
if (track[prop]) {
acc[prop] = track[prop];
}
return acc;
}, {
cues: track.cues && Array.prototype.map.call(track.cues, function (cue) {
return {
startTime: cue.startTime,
endTime: cue.endTime,
text: cue.text,
id: cue.id
};
})
});
return ret;
};
/**
* Examine a {@link Tech} and return a JSON-compatible javascript array that represents the
* state of all {@link TextTrack}s currently configured. The return array is compatible with
* {@link text-track-list-converter:jsonToTextTracks}.
*
* @param {Tech} tech
* The tech object to query
*
* @return {Array}
* A serializable javascript representation of the {@link Tech}s
* {@link TextTrackList}.
*/
var textTracksToJson = function textTracksToJson(tech) {
var trackEls = tech.$$('track');
var trackObjs = Array.prototype.map.call(trackEls, function (t) {
return t.track;
});
var tracks = Array.prototype.map.call(trackEls, function (trackEl) {
var json = trackToJson_(trackEl.track);
if (trackEl.src) {
json.src = trackEl.src;
}
return json;
});
return tracks.concat(Array.prototype.filter.call(tech.textTracks(), function (track) {
return trackObjs.indexOf(track) === -1;
}).map(trackToJson_));
};
/**
* Create a set of remote {@link TextTrack}s on a {@link Tech} based on an array of javascript
* object {@link TextTrack} representations.
*
* @param {Array} json
* An array of `TextTrack` representation objects, like those that would be
* produced by `textTracksToJson`.
*
* @param {Tech} tech
* The `Tech` to create the `TextTrack`s on.
*/
var jsonToTextTracks = function jsonToTextTracks(json, tech) {
json.forEach(function (track) {
var addedTrack = tech.addRemoteTextTrack(track).track;
if (!track.src && track.cues) {
track.cues.forEach(function (cue) {
return addedTrack.addCue(cue);
});
}
});
return tech.textTracks();
};
var textTrackConverter = { textTracksToJson: textTracksToJson, jsonToTextTracks: jsonToTextTracks, trackToJson_: trackToJson_ };
/**
* @file modal-dialog.js
*/
var MODAL_CLASS_NAME = 'vjs-modal-dialog';
var ESC = 27;
/**
* The `ModalDialog` displays over the video and its controls, which blocks
* interaction with the player until it is closed.
*
* Modal dialogs include a "Close" button and will close when that button
* is activated - or when ESC is pressed anywhere.
*
* @extends Component
*/
var ModalDialog = function (_Component) {
inherits(ModalDialog, _Component);
/**
* Create an instance of this class.
*
* @param {Player} player
* The `Player` that this class should be attached to.
*
* @param {Object} [options]
* The key/value store of player options.
*
* @param {Mixed} [options.content=undefined]
* Provide customized content for this modal.
*
* @param {string} [options.description]
* A text description for the modal, primarily for accessibility.
*
* @param {boolean} [options.fillAlways=false]
* Normally, modals are automatically filled only the first time
* they open. This tells the modal to refresh its content
* every time it opens.
*
* @param {string} [options.label]
* A text label for the modal, primarily for accessibility.
*
* @param {boolean} [options.temporary=true]
* If `true`, the modal can only be opened once; it will be
* disposed as soon as it's closed.
*
* @param {boolean} [options.uncloseable=false]
* If `true`, the user will not be able to close the modal
* through the UI in the normal ways. Programmatic closing is
* still possible.
*/
function ModalDialog(player, options) {
classCallCheck(this, ModalDialog);
var _this = possibleConstructorReturn(this, _Component.call(this, player, options));
_this.opened_ = _this.hasBeenOpened_ = _this.hasBeenFilled_ = false;
_this.closeable(!_this.options_.uncloseable);
_this.content(_this.options_.content);
// Make sure the contentEl is defined AFTER any children are initialized
// because we only want the contents of the modal in the contentEl
// (not the UI elements like the close button).
_this.contentEl_ = createEl('div', {
className: MODAL_CLASS_NAME + '-content'
}, {
role: 'document'
});
_this.descEl_ = createEl('p', {
className: MODAL_CLASS_NAME + '-description vjs-control-text',
id: _this.el().getAttribute('aria-describedby')
});
textContent(_this.descEl_, _this.description());
_this.el_.appendChild(_this.descEl_);
_this.el_.appendChild(_this.contentEl_);
return _this;
}
/**
* Create the `ModalDialog`'s DOM element
*
* @return {Element}
* The DOM element that gets created.
*/
ModalDialog.prototype.createEl = function createEl$$1() {
return _Component.prototype.createEl.call(this, 'div', {
className: this.buildCSSClass(),
tabIndex: -1
}, {
'aria-describedby': this.id() + '_description',
'aria-hidden': 'true',
'aria-label': this.label(),
'role': 'dialog'
});
};
/**
* Builds the default DOM `className`.
*
* @return {string}
* The DOM `className` for this object.
*/
ModalDialog.prototype.buildCSSClass = function buildCSSClass() {
return MODAL_CLASS_NAME + ' vjs-hidden ' + _Component.prototype.buildCSSClass.call(this);
};
/**
* Handles `keydown` events on the document, looking for ESC, which closes
* the modal.
*
* @param {EventTarget~Event} e
* The keypress that triggered this event.
*
* @listens keydown
*/
ModalDialog.prototype.handleKeyPress = function handleKeyPress(e) {
if (e.which === ESC && this.closeable()) {
this.close();
}
};
/**
* Returns the label string for this modal. Primarily used for accessibility.
*
* @return {string}
* the localized or raw label of this modal.
*/
ModalDialog.prototype.label = function label() {
return this.localize(this.options_.label || 'Modal Window');
};
/**
* Returns the description string for this modal. Primarily used for
* accessibility.
*
* @return {string}
* The localized or raw description of this modal.
*/
ModalDialog.prototype.description = function description() {
var desc = this.options_.description || this.localize('This is a modal window.');
// Append a universal closeability message if the modal is closeable.
if (this.closeable()) {
desc += ' ' + this.localize('This modal can be closed by pressing the Escape key or activating the close button.');
}
return desc;
};
/**
* Opens the modal.
*
* @fires ModalDialog#beforemodalopen
* @fires ModalDialog#modalopen
*/
ModalDialog.prototype.open = function open() {
if (!this.opened_) {
var player = this.player();
/**
* Fired just before a `ModalDialog` is opened.
*
* @event ModalDialog#beforemodalopen
* @type {EventTarget~Event}
*/
this.trigger('beforemodalopen');
this.opened_ = true;
// Fill content if the modal has never opened before and
// never been filled.
if (this.options_.fillAlways || !this.hasBeenOpened_ && !this.hasBeenFilled_) {
this.fill();
}
// If the player was playing, pause it and take note of its previously
// playing state.
this.wasPlaying_ = !player.paused();
if (this.options_.pauseOnOpen && this.wasPlaying_) {
player.pause();
}
if (this.closeable()) {
this.on(this.el_.ownerDocument, 'keydown', bind(this, this.handleKeyPress));
}
// Hide controls and note if they were enabled.
this.hadControls_ = player.controls();
player.controls(false);
this.show();
this.conditionalFocus_();
this.el().setAttribute('aria-hidden', 'false');
/**
* Fired just after a `ModalDialog` is opened.
*
* @event ModalDialog#modalopen
* @type {EventTarget~Event}
*/
this.trigger('modalopen');
this.hasBeenOpened_ = true;
}
};
/**
* If the `ModalDialog` is currently open or closed.
*
* @param {boolean} [value]
* If given, it will open (`true`) or close (`false`) the modal.
*
* @return {boolean}
* the current open state of the modaldialog
*/
ModalDialog.prototype.opened = function opened(value) {
if (typeof value === 'boolean') {
this[value ? 'open' : 'close']();
}
return this.opened_;
};
/**
* Closes the modal, does nothing if the `ModalDialog` is
* not open.
*
* @fires ModalDialog#beforemodalclose
* @fires ModalDialog#modalclose
*/
ModalDialog.prototype.close = function close() {
if (!this.opened_) {
return;
}
var player = this.player();
/**
* Fired just before a `ModalDialog` is closed.
*
* @event ModalDialog#beforemodalclose
* @type {EventTarget~Event}
*/
this.trigger('beforemodalclose');
this.opened_ = false;
if (this.wasPlaying_ && this.options_.pauseOnOpen) {
player.play();
}
if (this.closeable()) {
this.off(this.el_.ownerDocument, 'keydown', bind(this, this.handleKeyPress));
}
if (this.hadControls_) {
player.controls(true);
}
this.hide();
this.el().setAttribute('aria-hidden', 'true');
/**
* Fired just after a `ModalDialog` is closed.
*
* @event ModalDialog#modalclose
* @type {EventTarget~Event}
*/
this.trigger('modalclose');
this.conditionalBlur_();
if (this.options_.temporary) {
this.dispose();
}
};
/**
* Check to see if the `ModalDialog` is closeable via the UI.
*
* @param {boolean} [value]
* If given as a boolean, it will set the `closeable` option.
*
* @return {boolean}
* Returns the final value of the closable option.
*/
ModalDialog.prototype.closeable = function closeable(value) {
if (typeof value === 'boolean') {
var closeable = this.closeable_ = !!value;
var close = this.getChild('closeButton');
// If this is being made closeable and has no close button, add one.
if (closeable && !close) {
// The close button should be a child of the modal - not its
// content element, so temporarily change the content element.
var temp = this.contentEl_;
this.contentEl_ = this.el_;
close = this.addChild('closeButton', { controlText: 'Close Modal Dialog' });
this.contentEl_ = temp;
this.on(close, 'close', this.close);
}
// If this is being made uncloseable and has a close button, remove it.
if (!closeable && close) {
this.off(close, 'close', this.close);
this.removeChild(close);
close.dispose();
}
}
return this.closeable_;
};
/**
* Fill the modal's content element with the modal's "content" option.
* The content element will be emptied before this change takes place.
*/
ModalDialog.prototype.fill = function fill() {
this.fillWith(this.content());
};
/**
* Fill the modal's content element with arbitrary content.
* The content element will be emptied before this change takes place.
*
* @fires ModalDialog#beforemodalfill
* @fires ModalDialog#modalfill
*
* @param {Mixed} [content]
* The same rules apply to this as apply to the `content` option.
*/
ModalDialog.prototype.fillWith = function fillWith(content) {
var contentEl = this.contentEl();
var parentEl = contentEl.parentNode;
var nextSiblingEl = contentEl.nextSibling;
/**
* Fired just before a `ModalDialog` is filled with content.
*
* @event ModalDialog#beforemodalfill
* @type {EventTarget~Event}
*/
this.trigger('beforemodalfill');
this.hasBeenFilled_ = true;
// Detach the content element from the DOM before performing
// manipulation to avoid modifying the live DOM multiple times.
parentEl.removeChild(contentEl);
this.empty();
insertContent(contentEl, content);
/**
* Fired just after a `ModalDialog` is filled with content.
*
* @event ModalDialog#modalfill
* @type {EventTarget~Event}
*/
this.trigger('modalfill');
// Re-inject the re-filled content element.
if (nextSiblingEl) {
parentEl.insertBefore(contentEl, nextSiblingEl);
} else {
parentEl.appendChild(contentEl);
}
// make sure that the close button is last in the dialog DOM
var closeButton = this.getChild('closeButton');
if (closeButton) {
parentEl.appendChild(closeButton.el_);
}
};
/**
* Empties the content element. This happens anytime the modal is filled.
*
* @fires ModalDialog#beforemodalempty
* @fires ModalDialog#modalempty
*/
ModalDialog.prototype.empty = function empty() {
/**
* Fired just before a `ModalDialog` is emptied.
*
* @event ModalDialog#beforemodalempty
* @type {EventTarget~Event}
*/
this.trigger('beforemodalempty');
emptyEl(this.contentEl());
/**
* Fired just after a `ModalDialog` is emptied.
*
* @event ModalDialog#modalempty
* @type {EventTarget~Event}
*/
this.trigger('modalempty');
};
/**
* Gets or sets the modal content, which gets normalized before being
* rendered into the DOM.
*
* This does not update the DOM or fill the modal, but it is called during
* that process.
*
* @param {Mixed} [value]
* If defined, sets the internal content value to be used on the
* next call(s) to `fill`. This value is normalized before being
* inserted. To "clear" the internal content value, pass `null`.
*
* @return {Mixed}
* The current content of the modal dialog
*/
ModalDialog.prototype.content = function content(value) {
if (typeof value !== 'undefined') {
this.content_ = value;
}
return this.content_;
};
/**
* conditionally focus the modal dialog if focus was previously on the player.
*
* @private
*/
ModalDialog.prototype.conditionalFocus_ = function conditionalFocus_() {
var activeEl = document_1.activeElement;
var playerEl = this.player_.el_;
this.previouslyActiveEl_ = null;
if (playerEl.contains(activeEl) || playerEl === activeEl) {
this.previouslyActiveEl_ = activeEl;
this.focus();
this.on(document_1, 'keydown', this.handleKeyDown);
}
};
/**
* conditionally blur the element and refocus the last focused element
*
* @private
*/
ModalDialog.prototype.conditionalBlur_ = function conditionalBlur_() {
if (this.previouslyActiveEl_) {
this.previouslyActiveEl_.focus();
this.previouslyActiveEl_ = null;
}
this.off(document_1, 'keydown', this.handleKeyDown);
};
/**
* Keydown handler. Attached when modal is focused.
*
* @listens keydown
*/
ModalDialog.prototype.handleKeyDown = function handleKeyDown(event) {
// exit early if it isn't a tab key
if (event.which !== 9) {
return;
}
var focusableEls = this.focusableEls_();
var activeEl = this.el_.querySelector(':focus');
var focusIndex = void 0;
for (var i = 0; i < focusableEls.length; i++) {
if (activeEl === focusableEls[i]) {
focusIndex = i;
break;
}
}
if (document_1.activeElement === this.el_) {
focusIndex = 0;
}
if (event.shiftKey && focusIndex === 0) {
focusableEls[focusableEls.length - 1].focus();
event.preventDefault();
} else if (!event.shiftKey && focusIndex === focusableEls.length - 1) {
focusableEls[0].focus();
event.preventDefault();
}
};
/**
* get all focusable elements
*
* @private
*/
ModalDialog.prototype.focusableEls_ = function focusableEls_() {
var allChildren = this.el_.querySelectorAll('*');
return Array.prototype.filter.call(allChildren, function (child) {
return (child instanceof window_1.HTMLAnchorElement || child instanceof window_1.HTMLAreaElement) && child.hasAttribute('href') || (child instanceof window_1.HTMLInputElement || child instanceof window_1.HTMLSelectElement || child instanceof window_1.HTMLTextAreaElement || child instanceof window_1.HTMLButtonElement) && !child.hasAttribute('disabled') || child instanceof window_1.HTMLIFrameElement || child instanceof window_1.HTMLObjectElement || child instanceof window_1.HTMLEmbedElement || child.hasAttribute('tabindex') && child.getAttribute('tabindex') !== -1 || child.hasAttribute('contenteditable');
});
};
return ModalDialog;
}(Component);
/**
* Default options for `ModalDialog` default options.
*
* @type {Object}
* @private
*/
ModalDialog.prototype.options_ = {
pauseOnOpen: true,
temporary: true
};
Component.registerComponent('ModalDialog', ModalDialog);
/**
* @file track-list.js
*/
/**
* Common functionaliy between {@link TextTrackList}, {@link AudioTrackList}, and
* {@link VideoTrackList}
*
* @extends EventTarget
*/
var TrackList = function (_EventTarget) {
inherits(TrackList, _EventTarget);
/**
* Create an instance of this class
*
* @param {Track[]} tracks
* A list of tracks to initialize the list with.
*
* @param {Object} [list]
* The child object with inheritance done manually for ie8.
*
* @abstract
*/
function TrackList() {
var tracks = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];
var _ret;
var list = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : null;
classCallCheck(this, TrackList);
var _this = possibleConstructorReturn(this, _EventTarget.call(this));
if (!list) {
list = _this; // eslint-disable-line
if (IS_IE8) {
list = document_1.createElement('custom');
for (var prop in TrackList.prototype) {
if (prop !== 'constructor') {
list[prop] = TrackList.prototype[prop];
}
}
}
}
list.tracks_ = [];
/**
* @memberof TrackList
* @member {number} length
* The current number of `Track`s in the this Trackist.
* @instance
*/
Object.defineProperty(list, 'length', {
get: function get$$1() {
return this.tracks_.length;
}
});
for (var i = 0; i < tracks.length; i++) {
list.addTrack(tracks[i]);
}
// must return the object, as for ie8 it will not be this
// but a reference to a document object
return _ret = list, possibleConstructorReturn(_this, _ret);
}
/**
* Add a {@link Track} to the `TrackList`
*
* @param {Track} track
* The audio, video, or text track to add to the list.
*
* @fires TrackList#addtrack
*/
TrackList.prototype.addTrack = function addTrack(track) {
var index = this.tracks_.length;
if (!('' + index in this)) {
Object.defineProperty(this, index, {
get: function get$$1() {
return this.tracks_[index];
}
});
}
// Do not add duplicate tracks
if (this.tracks_.indexOf(track) === -1) {
this.tracks_.push(track);
/**
* Triggered when a track is added to a track list.
*
* @event TrackList#addtrack
* @type {EventTarget~Event}
* @property {Track} track
* A reference to track that was added.
*/
this.trigger({
track: track,
type: 'addtrack'
});
}
};
/**
* Remove a {@link Track} from the `TrackList`
*
* @param {Track} rtrack
* The audio, video, or text track to remove from the list.
*
* @fires TrackList#removetrack
*/
TrackList.prototype.removeTrack = function removeTrack(rtrack) {
var track = void 0;
for (var i = 0, l = this.length; i < l; i++) {
if (this[i] === rtrack) {
track = this[i];
if (track.off) {
track.off();
}
this.tracks_.splice(i, 1);
break;
}
}
if (!track) {
return;
}
/**
* Triggered when a track is removed from track list.
*
* @event TrackList#removetrack
* @type {EventTarget~Event}
* @property {Track} track
* A reference to track that was removed.
*/
this.trigger({
track: track,
type: 'removetrack'
});
};
/**
* Get a Track from the TrackList by a tracks id
*
* @param {String} id - the id of the track to get
* @method getTrackById
* @return {Track}
* @private
*/
TrackList.prototype.getTrackById = function getTrackById(id) {
var result = null;
for (var i = 0, l = this.length; i < l; i++) {
var track = this[i];
if (track.id === id) {
result = track;
break;
}
}
return result;
};
return TrackList;
}(EventTarget);
/**
* Triggered when a different track is selected/enabled.
*
* @event TrackList#change
* @type {EventTarget~Event}
*/
/**
* Events that can be called with on + eventName. See {@link EventHandler}.
*
* @property {Object} TrackList#allowedEvents_
* @private
*/
TrackList.prototype.allowedEvents_ = {
change: 'change',
addtrack: 'addtrack',
removetrack: 'removetrack'
};
// emulate attribute EventHandler support to allow for feature detection
for (var event in TrackList.prototype.allowedEvents_) {
TrackList.prototype['on' + event] = null;
}
/**
* @file audio-track-list.js
*/
/**
* Anywhere we call this function we diverge from the spec
* as we only support one enabled audiotrack at a time
*
* @param {AudioTrackList} list
* list to work on
*
* @param {AudioTrack} track
* The track to skip
*
* @private
*/
var disableOthers = function disableOthers(list, track) {
for (var i = 0; i < list.length; i++) {
if (!Object.keys(list[i]).length || track.id === list[i].id) {
continue;
}
// another audio track is enabled, disable it
list[i].enabled = false;
}
};
/**
* The current list of {@link AudioTrack} for a media file.
*
* @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#audiotracklist}
* @extends TrackList
*/
var AudioTrackList = function (_TrackList) {
inherits(AudioTrackList, _TrackList);
/**
* Create an instance of this class.
*
* @param {AudioTrack[]} [tracks=[]]
* A list of `AudioTrack` to instantiate the list with.
*/
function AudioTrackList() {
var _this, _ret;
var tracks = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];
classCallCheck(this, AudioTrackList);
var list = void 0;
// make sure only 1 track is enabled
// sorted from last index to first index
for (var i = tracks.length - 1; i >= 0; i--) {
if (tracks[i].enabled) {
disableOthers(tracks, tracks[i]);
break;
}
}
// IE8 forces us to implement inheritance ourselves
// as it does not support Object.defineProperty properly
if (IS_IE8) {
list = document_1.createElement('custom');
for (var prop in TrackList.prototype) {
if (prop !== 'constructor') {
list[prop] = TrackList.prototype[prop];
}
}
for (var _prop in AudioTrackList.prototype) {
if (_prop !== 'constructor') {
list[_prop] = AudioTrackList.prototype[_prop];
}
}
}
list = (_this = possibleConstructorReturn(this, _TrackList.call(this, tracks, list)), _this);
list.changing_ = false;
return _ret = list, possibleConstructorReturn(_this, _ret);
}
/**
* Add an {@link AudioTrack} to the `AudioTrackList`.
*
* @param {AudioTrack} track
* The AudioTrack to add to the list
*
* @fires TrackList#addtrack
*/
AudioTrackList.prototype.addTrack = function addTrack(track) {
var _this2 = this;
if (track.enabled) {
disableOthers(this, track);
}
_TrackList.prototype.addTrack.call(this, track);
// native tracks don't have this
if (!track.addEventListener) {
return;
}
/**
* @listens AudioTrack#enabledchange
* @fires TrackList#change
*/
track.addEventListener('enabledchange', function () {
// when we are disabling other tracks (since we don't support
// more than one track at a time) we will set changing_
// to true so that we don't trigger additional change events
if (_this2.changing_) {
return;
}
_this2.changing_ = true;
disableOthers(_this2, track);
_this2.changing_ = false;
_this2.trigger('change');
});
};
return AudioTrackList;
}(TrackList);
/**
* @file video-track-list.js
*/
/**
* Un-select all other {@link VideoTrack}s that are selected.
*
* @param {VideoTrackList} list
* list to work on
*
* @param {VideoTrack} track
* The track to skip
*
* @private
*/
var disableOthers$1 = function disableOthers(list, track) {
for (var i = 0; i < list.length; i++) {
if (!Object.keys(list[i]).length || track.id === list[i].id) {
continue;
}
// another video track is enabled, disable it
list[i].selected = false;
}
};
/**
* The current list of {@link VideoTrack} for a video.
*
* @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#videotracklist}
* @extends TrackList
*/
var VideoTrackList = function (_TrackList) {
inherits(VideoTrackList, _TrackList);
/**
* Create an instance of this class.
*
* @param {VideoTrack[]} [tracks=[]]
* A list of `VideoTrack` to instantiate the list with.
*/
function VideoTrackList() {
var _this, _ret;
var tracks = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];
classCallCheck(this, VideoTrackList);
var list = void 0;
// make sure only 1 track is enabled
// sorted from last index to first index
for (var i = tracks.length - 1; i >= 0; i--) {
if (tracks[i].selected) {
disableOthers$1(tracks, tracks[i]);
break;
}
}
// IE8 forces us to implement inheritance ourselves
// as it does not support Object.defineProperty properly
if (IS_IE8) {
list = document_1.createElement('custom');
for (var prop in TrackList.prototype) {
if (prop !== 'constructor') {
list[prop] = TrackList.prototype[prop];
}
}
for (var _prop in VideoTrackList.prototype) {
if (_prop !== 'constructor') {
list[_prop] = VideoTrackList.prototype[_prop];
}
}
}
list = (_this = possibleConstructorReturn(this, _TrackList.call(this, tracks, list)), _this);
list.changing_ = false;
/**
* @member {number} VideoTrackList#selectedIndex
* The current index of the selected {@link VideoTrack`}.
*/
Object.defineProperty(list, 'selectedIndex', {
get: function get$$1() {
for (var _i = 0; _i < this.length; _i++) {
if (this[_i].selected) {
return _i;
}
}
return -1;
},
set: function set$$1() {}
});
return _ret = list, possibleConstructorReturn(_this, _ret);
}
/**
* Add a {@link VideoTrack} to the `VideoTrackList`.
*
* @param {VideoTrack} track
* The VideoTrack to add to the list
*
* @fires TrackList#addtrack
*/
VideoTrackList.prototype.addTrack = function addTrack(track) {
var _this2 = this;
if (track.selected) {
disableOthers$1(this, track);
}
_TrackList.prototype.addTrack.call(this, track);
// native tracks don't have this
if (!track.addEventListener) {
return;
}
/**
* @listens VideoTrack#selectedchange
* @fires TrackList#change
*/
track.addEventListener('selectedchange', function () {
if (_this2.changing_) {
return;
}
_this2.changing_ = true;
disableOthers$1(_this2, track);
_this2.changing_ = false;
_this2.trigger('change');
});
};
return VideoTrackList;
}(TrackList);
/**
* @file text-track-list.js
*/
/**
* The current list of {@link TextTrack} for a media file.
*
* @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#texttracklist}
* @extends TrackList
*/
var TextTrackList = function (_TrackList) {
inherits(TextTrackList, _TrackList);
/**
* Create an instance of this class.
*
* @param {TextTrack[]} [tracks=[]]
* A list of `TextTrack` to instantiate the list with.
*/
function TextTrackList() {
var _this, _ret;
var tracks = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];
classCallCheck(this, TextTrackList);
var list = void 0;
// IE8 forces us to implement inheritance ourselves
// as it does not support Object.defineProperty properly
if (IS_IE8) {
list = document_1.createElement('custom');
for (var prop in TrackList.prototype) {
if (prop !== 'constructor') {
list[prop] = TrackList.prototype[prop];
}
}
for (var _prop in TextTrackList.prototype) {
if (_prop !== 'constructor') {
list[_prop] = TextTrackList.prototype[_prop];
}
}
}
list = (_this = possibleConstructorReturn(this, _TrackList.call(this, tracks, list)), _this);
return _ret = list, possibleConstructorReturn(_this, _ret);
}
/**
* Add a {@link TextTrack} to the `TextTrackList`
*
* @param {TextTrack} track
* The text track to add to the list.
*
* @fires TrackList#addtrack
*/
TextTrackList.prototype.addTrack = function addTrack(track) {
_TrackList.prototype.addTrack.call(this, track);
/**
* @listens TextTrack#modechange
* @fires TrackList#change
*/
track.addEventListener('modechange', bind(this, function () {
this.trigger('change');
}));
var nonLanguageTextTrackKind = ['metadata', 'chapters'];
if (nonLanguageTextTrackKind.indexOf(track.kind) === -1) {
track.addEventListener('modechange', bind(this, function () {
this.trigger('selectedlanguagechange');
}));
}
};
return TextTrackList;
}(TrackList);
/**
* @file html-track-element-list.js
*/
/**
* The current list of {@link HtmlTrackElement}s.
*/
var HtmlTrackElementList = function () {
/**
* Create an instance of this class.
*
* @param {HtmlTrackElement[]} [tracks=[]]
* A list of `HtmlTrackElement` to instantiate the list with.
*/
function HtmlTrackElementList() {
var trackElements = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];
classCallCheck(this, HtmlTrackElementList);
var list = this; // eslint-disable-line
if (IS_IE8) {
list = document_1.createElement('custom');
for (var prop in HtmlTrackElementList.prototype) {
if (prop !== 'constructor') {
list[prop] = HtmlTrackElementList.prototype[prop];
}
}
}
list.trackElements_ = [];
/**
* @memberof HtmlTrackElementList
* @member {number} length
* The current number of `Track`s in the this Trackist.
* @instance
*/
Object.defineProperty(list, 'length', {
get: function get$$1() {
return this.trackElements_.length;
}
});
for (var i = 0, length = trackElements.length; i < length; i++) {
list.addTrackElement_(trackElements[i]);
}
if (IS_IE8) {
return list;
}
}
/**
* Add an {@link HtmlTrackElement} to the `HtmlTrackElementList`
*
* @param {HtmlTrackElement} trackElement
* The track element to add to the list.
*
* @private
*/
HtmlTrackElementList.prototype.addTrackElement_ = function addTrackElement_(trackElement) {
var index = this.trackElements_.length;
if (!('' + index in this)) {
Object.defineProperty(this, index, {
get: function get$$1() {
return this.trackElements_[index];
}
});
}
// Do not add duplicate elements
if (this.trackElements_.indexOf(trackElement) === -1) {
this.trackElements_.push(trackElement);
}
};
/**
* Get an {@link HtmlTrackElement} from the `HtmlTrackElementList` given an
* {@link TextTrack}.
*
* @param {TextTrack} track
* The track associated with a track element.
*
* @return {HtmlTrackElement|undefined}
* The track element that was found or undefined.
*
* @private
*/
HtmlTrackElementList.prototype.getTrackElementByTrack_ = function getTrackElementByTrack_(track) {
var trackElement_ = void 0;
for (var i = 0, length = this.trackElements_.length; i < length; i++) {
if (track === this.trackElements_[i].track) {
trackElement_ = this.trackElements_[i];
break;
}
}
return trackElement_;
};
/**
* Remove a {@link HtmlTrackElement} from the `HtmlTrackElementList`
*
* @param {HtmlTrackElement} trackElement
* The track element to remove from the list.
*
* @private
*/
HtmlTrackElementList.prototype.removeTrackElement_ = function removeTrackElement_(trackElement) {
for (var i = 0, length = this.trackElements_.length; i < length; i++) {
if (trackElement === this.trackElements_[i]) {
this.trackElements_.splice(i, 1);
break;
}
}
};
return HtmlTrackElementList;
}();
/**
* @file text-track-cue-list.js
*/
/**
* @typedef {Object} TextTrackCueList~TextTrackCue
*
* @property {string} id
* The unique id for this text track cue
*
* @property {number} startTime
* The start time for this text track cue
*
* @property {number} endTime
* The end time for this text track cue
*
* @property {boolean} pauseOnExit
* Pause when the end time is reached if true.
*
* @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#texttrackcue}
*/
/**
* A List of TextTrackCues.
*
* @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#texttrackcuelist}
*/
var TextTrackCueList = function () {
/**
* Create an instance of this class..
*
* @param {Array} cues
* A list of cues to be initialized with
*/
function TextTrackCueList(cues) {
classCallCheck(this, TextTrackCueList);
var list = this; // eslint-disable-line
if (IS_IE8) {
list = document_1.createElement('custom');
for (var prop in TextTrackCueList.prototype) {
if (prop !== 'constructor') {
list[prop] = TextTrackCueList.prototype[prop];
}
}
}
TextTrackCueList.prototype.setCues_.call(list, cues);
/**
* @memberof TextTrackCueList
* @member {number} length
* The current number of `TextTrackCue`s in the TextTrackCueList.
* @instance
*/
Object.defineProperty(list, 'length', {
get: function get$$1() {
return this.length_;
}
});
if (IS_IE8) {
return list;
}
}
/**
* A setter for cues in this list. Creates getters
* an an index for the cues.
*
* @param {Array} cues
* An array of cues to set
*
* @private
*/
TextTrackCueList.prototype.setCues_ = function setCues_(cues) {
var oldLength = this.length || 0;
var i = 0;
var l = cues.length;
this.cues_ = cues;
this.length_ = cues.length;
var defineProp = function defineProp(index) {
if (!('' + index in this)) {
Object.defineProperty(this, '' + index, {
get: function get$$1() {
return this.cues_[index];
}
});
}
};
if (oldLength < l) {
i = oldLength;
for (; i < l; i++) {
defineProp.call(this, i);
}
}
};
/**
* Get a `TextTrackCue` that is currently in the `TextTrackCueList` by id.
*
* @param {string} id
* The id of the cue that should be searched for.
*
* @return {TextTrackCueList~TextTrackCue|null}
* A single cue or null if none was found.
*/
TextTrackCueList.prototype.getCueById = function getCueById(id) {
var result = null;
for (var i = 0, l = this.length; i < l; i++) {
var cue = this[i];
if (cue.id === id) {
result = cue;
break;
}
}
return result;
};
return TextTrackCueList;
}();
/**
* @file track-kinds.js
*/
/**
* All possible `VideoTrackKind`s
*
* @see https://html.spec.whatwg.org/multipage/embedded-content.html#dom-videotrack-kind
* @typedef VideoTrack~Kind
* @enum
*/
var VideoTrackKind = {
alternative: 'alternative',
captions: 'captions',
main: 'main',
sign: 'sign',
subtitles: 'subtitles',
commentary: 'commentary'
};
/**
* All possible `AudioTrackKind`s
*
* @see https://html.spec.whatwg.org/multipage/embedded-content.html#dom-audiotrack-kind
* @typedef AudioTrack~Kind
* @enum
*/
var AudioTrackKind = {
'alternative': 'alternative',
'descriptions': 'descriptions',
'main': 'main',
'main-desc': 'main-desc',
'translation': 'translation',
'commentary': 'commentary'
};
/**
* All possible `TextTrackKind`s
*
* @see https://html.spec.whatwg.org/multipage/embedded-content.html#dom-texttrack-kind
* @typedef TextTrack~Kind
* @enum
*/
var TextTrackKind = {
subtitles: 'subtitles',
captions: 'captions',
descriptions: 'descriptions',
chapters: 'chapters',
metadata: 'metadata'
};
/**
* All possible `TextTrackMode`s
*
* @see https://html.spec.whatwg.org/multipage/embedded-content.html#texttrackmode
* @typedef TextTrack~Mode
* @enum
*/
var TextTrackMode = {
disabled: 'disabled',
hidden: 'hidden',
showing: 'showing'
};
/**
* @file track.js
*/
/**
* A Track class that contains all of the common functionality for {@link AudioTrack},
* {@link VideoTrack}, and {@link TextTrack}.
*
* > Note: This class should not be used directly
*
* @see {@link https://html.spec.whatwg.org/multipage/embedded-content.html}
* @extends EventTarget
* @abstract
*/
var Track = function (_EventTarget) {
inherits(Track, _EventTarget);
/**
* Create an instance of this class.
*
* @param {Object} [options={}]
* Object of option names and values
*
* @param {string} [options.kind='']
* A valid kind for the track type you are creating.
*
* @param {string} [options.id='vjs_track_' + Guid.newGUID()]
* A unique id for this AudioTrack.
*
* @param {string} [options.label='']
* The menu label for this track.
*
* @param {string} [options.language='']
* A valid two character language code.
*
* @abstract
*/
function Track() {
var _ret;
var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
classCallCheck(this, Track);
var _this = possibleConstructorReturn(this, _EventTarget.call(this));
var track = _this; // eslint-disable-line
if (IS_IE8) {
track = document_1.createElement('custom');
for (var prop in Track.prototype) {
if (prop !== 'constructor') {
track[prop] = Track.prototype[prop];
}
}
}
var trackProps = {
id: options.id || 'vjs_track_' + newGUID(),
kind: options.kind || '',
label: options.label || '',
language: options.language || ''
};
/**
* @memberof Track
* @member {string} id
* The id of this track. Cannot be changed after creation.
* @instance
*
* @readonly
*/
/**
* @memberof Track
* @member {string} kind
* The kind of track that this is. Cannot be changed after creation.
* @instance
*
* @readonly
*/
/**
* @memberof Track
* @member {string} label
* The label of this track. Cannot be changed after creation.
* @instance
*
* @readonly
*/
/**
* @memberof Track
* @member {string} language
* The two letter language code for this track. Cannot be changed after
* creation.
* @instance
*
* @readonly
*/
var _loop = function _loop(key) {
Object.defineProperty(track, key, {
get: function get$$1() {
return trackProps[key];
},
set: function set$$1() {}
});
};
for (var key in trackProps) {
_loop(key);
}
return _ret = track, possibleConstructorReturn(_this, _ret);
}
return Track;
}(EventTarget);
/**
* @file url.js
* @module url
*/
/**
* @typedef {Object} url:URLObject
*
* @property {string} protocol
* The protocol of the url that was parsed.
*
* @property {string} hostname
* The hostname of the url that was parsed.
*
* @property {string} port
* The port of the url that was parsed.
*
* @property {string} pathname
* The pathname of the url that was parsed.
*
* @property {string} search
* The search query of the url that was parsed.
*
* @property {string} hash
* The hash of the url that was parsed.
*
* @property {string} host
* The host of the url that was parsed.
*/
/**
* Resolve and parse the elements of a URL.
*
* @param {String} url
* The url to parse
*
* @return {url:URLObject}
* An object of url details
*/
var parseUrl = function parseUrl(url) {
var props = ['protocol', 'hostname', 'port', 'pathname', 'search', 'hash', 'host'];
// add the url to an anchor and let the browser parse the URL
var a = document_1.createElement('a');
a.href = url;
// IE8 (and 9?) Fix
// ie8 doesn't parse the URL correctly until the anchor is actually
// added to the body, and an innerHTML is needed to trigger the parsing
var addToBody = a.host === '' && a.protocol !== 'file:';
var div = void 0;
if (addToBody) {
div = document_1.createElement('div');
div.innerHTML = '';
a = div.firstChild;
// prevent the div from affecting layout
div.setAttribute('style', 'display:none; position:absolute;');
document_1.body.appendChild(div);
}
// Copy the specific URL properties to a new object
// This is also needed for IE8 because the anchor loses its
// properties when it's removed from the dom
var details = {};
for (var i = 0; i < props.length; i++) {
details[props[i]] = a[props[i]];
}
// IE9 adds the port to the host property unlike everyone else. If
// a port identifier is added for standard ports, strip it.
if (details.protocol === 'http:') {
details.host = details.host.replace(/:80$/, '');
}
if (details.protocol === 'https:') {
details.host = details.host.replace(/:443$/, '');
}
if (!details.protocol) {
details.protocol = window_1.location.protocol;
}
if (addToBody) {
document_1.body.removeChild(div);
}
return details;
};
/**
* Get absolute version of relative URL. Used to tell flash correct URL.
*
*
* @param {string} url
* URL to make absolute
*
* @return {string}
* Absolute URL
*
* @see http://stackoverflow.com/questions/470832/getting-an-absolute-url-from-a-relative-one-ie6-issue
*/
var getAbsoluteURL = function getAbsoluteURL(url) {
// Check if absolute URL
if (!url.match(/^https?:\/\//)) {
// Convert to absolute URL. Flash hosted off-site needs an absolute URL.
var div = document_1.createElement('div');
div.innerHTML = 'x';
url = div.firstChild.href;
}
return url;
};
/**
* Returns the extension of the passed file name. It will return an empty string
* if passed an invalid path.
*
* @param {string} path
* The fileName path like '/path/to/file.mp4'
*
* @returns {string}
* The extension in lower case or an empty string if no
* extension could be found.
*/
var getFileExtension = function getFileExtension(path) {
if (typeof path === 'string') {
var splitPathRe = /^(\/?)([\s\S]*?)((?:\.{1,2}|[^\/]+?)(\.([^\.\/\?]+)))(?:[\/]*|[\?].*)$/i;
var pathParts = splitPathRe.exec(path);
if (pathParts) {
return pathParts.pop().toLowerCase();
}
}
return '';
};
/**
* Returns whether the url passed is a cross domain request or not.
*
* @param {string} url
* The url to check.
*
* @return {boolean}
* Whether it is a cross domain request or not.
*/
var isCrossOrigin = function isCrossOrigin(url) {
var winLoc = window_1.location;
var urlInfo = parseUrl(url);
// IE8 protocol relative urls will return ':' for protocol
var srcProtocol = urlInfo.protocol === ':' ? winLoc.protocol : urlInfo.protocol;
// Check if url is for another domain/origin
// IE8 doesn't know location.origin, so we won't rely on it here
var crossOrigin = srcProtocol + urlInfo.host !== winLoc.protocol + winLoc.host;
return crossOrigin;
};
var Url = (Object.freeze || Object)({
parseUrl: parseUrl,
getAbsoluteURL: getAbsoluteURL,
getFileExtension: getFileExtension,
isCrossOrigin: isCrossOrigin
});
var index$1 = isFunction;
var toString$1 = Object.prototype.toString;
function isFunction (fn) {
var string = toString$1.call(fn);
return string === '[object Function]' ||
(typeof fn === 'function' && string !== '[object RegExp]') ||
(typeof window !== 'undefined' &&
// IE8 and below
(fn === window.setTimeout ||
fn === window.alert ||
fn === window.confirm ||
fn === window.prompt))
}
var index$3 = createCommonjsModule(function (module, exports) {
exports = module.exports = trim;
function trim(str){
return str.replace(/^\s*|\s*$/g, '');
}
exports.left = function(str){
return str.replace(/^\s*/, '');
};
exports.right = function(str){
return str.replace(/\s*$/, '');
};
});
var index$5 = forEach;
var toString$2 = Object.prototype.toString;
var hasOwnProperty = Object.prototype.hasOwnProperty;
function forEach(list, iterator, context) {
if (!index$1(iterator)) {
throw new TypeError('iterator must be a function')
}
if (arguments.length < 3) {
context = this;
}
if (toString$2.call(list) === '[object Array]')
forEachArray$1(list, iterator, context);
else if (typeof list === 'string')
forEachString(list, iterator, context);
else
forEachObject(list, iterator, context);
}
function forEachArray$1(array, iterator, context) {
for (var i = 0, len = array.length; i < len; i++) {
if (hasOwnProperty.call(array, i)) {
iterator.call(context, array[i], i, array);
}
}
}
function forEachString(string, iterator, context) {
for (var i = 0, len = string.length; i < len; i++) {
// no such thing as a sparse string.
iterator.call(context, string.charAt(i), i, string);
}
}
function forEachObject(object, iterator, context) {
for (var k in object) {
if (hasOwnProperty.call(object, k)) {
iterator.call(context, object[k], k, object);
}
}
}
var isArray = function(arg) {
return Object.prototype.toString.call(arg) === '[object Array]';
};
var parseHeaders = function (headers) {
if (!headers)
return {}
var result = {};
index$5(
index$3(headers).split('\n')
, function (row) {
var index = row.indexOf(':')
, key = index$3(row.slice(0, index)).toLowerCase()
, value = index$3(row.slice(index + 1));
if (typeof(result[key]) === 'undefined') {
result[key] = value;
} else if (isArray(result[key])) {
result[key].push(value);
} else {
result[key] = [ result[key], value ];
}
}
);
return result
};
var immutable = extend;
var hasOwnProperty$1 = Object.prototype.hasOwnProperty;
function extend() {
var target = {};
for (var i = 0; i < arguments.length; i++) {
var source = arguments[i];
for (var key in source) {
if (hasOwnProperty$1.call(source, key)) {
target[key] = source[key];
}
}
}
return target
}
var index = createXHR;
createXHR.XMLHttpRequest = window_1.XMLHttpRequest || noop;
createXHR.XDomainRequest = "withCredentials" in (new createXHR.XMLHttpRequest()) ? createXHR.XMLHttpRequest : window_1.XDomainRequest;
forEachArray(["get", "put", "post", "patch", "head", "delete"], function(method) {
createXHR[method === "delete" ? "del" : method] = function(uri, options, callback) {
options = initParams(uri, options, callback);
options.method = method.toUpperCase();
return _createXHR(options)
};
});
function forEachArray(array, iterator) {
for (var i = 0; i < array.length; i++) {
iterator(array[i]);
}
}
function isEmpty(obj){
for(var i in obj){
if(obj.hasOwnProperty(i)) return false
}
return true
}
function initParams(uri, options, callback) {
var params = uri;
if (index$1(options)) {
callback = options;
if (typeof uri === "string") {
params = {uri:uri};
}
} else {
params = immutable(options, {uri: uri});
}
params.callback = callback;
return params
}
function createXHR(uri, options, callback) {
options = initParams(uri, options, callback);
return _createXHR(options)
}
function _createXHR(options) {
if(typeof options.callback === "undefined"){
throw new Error("callback argument missing")
}
var called = false;
var callback = function cbOnce(err, response, body){
if(!called){
called = true;
options.callback(err, response, body);
}
};
function readystatechange() {
if (xhr.readyState === 4) {
setTimeout(loadFunc, 0);
}
}
function getBody() {
// Chrome with requestType=blob throws errors arround when even testing access to responseText
var body = undefined;
if (xhr.response) {
body = xhr.response;
} else {
body = xhr.responseText || getXml(xhr);
}
if (isJson) {
try {
body = JSON.parse(body);
} catch (e) {}
}
return body
}
function errorFunc(evt) {
clearTimeout(timeoutTimer);
if(!(evt instanceof Error)){
evt = new Error("" + (evt || "Unknown XMLHttpRequest Error") );
}
evt.statusCode = 0;
return callback(evt, failureResponse)
}
// will load the data & process the response in a special response object
function loadFunc() {
if (aborted) return
var status;
clearTimeout(timeoutTimer);
if(options.useXDR && xhr.status===undefined) {
//IE8 CORS GET successful response doesn't have a status field, but body is fine
status = 200;
} else {
status = (xhr.status === 1223 ? 204 : xhr.status);
}
var response = failureResponse;
var err = null;
if (status !== 0){
response = {
body: getBody(),
statusCode: status,
method: method,
headers: {},
url: uri,
rawRequest: xhr
};
if(xhr.getAllResponseHeaders){ //remember xhr can in fact be XDR for CORS in IE
response.headers = parseHeaders(xhr.getAllResponseHeaders());
}
} else {
err = new Error("Internal XMLHttpRequest Error");
}
return callback(err, response, response.body)
}
var xhr = options.xhr || null;
if (!xhr) {
if (options.cors || options.useXDR) {
xhr = new createXHR.XDomainRequest();
}else{
xhr = new createXHR.XMLHttpRequest();
}
}
var key;
var aborted;
var uri = xhr.url = options.uri || options.url;
var method = xhr.method = options.method || "GET";
var body = options.body || options.data;
var headers = xhr.headers = options.headers || {};
var sync = !!options.sync;
var isJson = false;
var timeoutTimer;
var failureResponse = {
body: undefined,
headers: {},
statusCode: 0,
method: method,
url: uri,
rawRequest: xhr
};
if ("json" in options && options.json !== false) {
isJson = true;
headers["accept"] || headers["Accept"] || (headers["Accept"] = "application/json"); //Don't override existing accept header declared by user
if (method !== "GET" && method !== "HEAD") {
headers["content-type"] || headers["Content-Type"] || (headers["Content-Type"] = "application/json"); //Don't override existing accept header declared by user
body = JSON.stringify(options.json === true ? body : options.json);
}
}
xhr.onreadystatechange = readystatechange;
xhr.onload = loadFunc;
xhr.onerror = errorFunc;
// IE9 must have onprogress be set to a unique function.
xhr.onprogress = function () {
// IE must die
};
xhr.onabort = function(){
aborted = true;
};
xhr.ontimeout = errorFunc;
xhr.open(method, uri, !sync, options.username, options.password);
//has to be after open
if(!sync) {
xhr.withCredentials = !!options.withCredentials;
}
// Cannot set timeout with sync request
// not setting timeout on the xhr object, because of old webkits etc. not handling that correctly
// both npm's request and jquery 1.x use this kind of timeout, so this is being consistent
if (!sync && options.timeout > 0 ) {
timeoutTimer = setTimeout(function(){
if (aborted) return
aborted = true;//IE9 may still call readystatechange
xhr.abort("timeout");
var e = new Error("XMLHttpRequest timeout");
e.code = "ETIMEDOUT";
errorFunc(e);
}, options.timeout );
}
if (xhr.setRequestHeader) {
for(key in headers){
if(headers.hasOwnProperty(key)){
xhr.setRequestHeader(key, headers[key]);
}
}
} else if (options.headers && !isEmpty(options.headers)) {
throw new Error("Headers cannot be set on an XDomainRequest object")
}
if ("responseType" in options) {
xhr.responseType = options.responseType;
}
if ("beforeSend" in options &&
typeof options.beforeSend === "function"
) {
options.beforeSend(xhr);
}
// Microsoft Edge browser sends "undefined" when send is called with undefined value.
// XMLHttpRequest spec says to pass null as body to indicate no body
// See https://github.com/naugtur/xhr/issues/100.
xhr.send(body || null);
return xhr
}
function getXml(xhr) {
if (xhr.responseType === "document") {
return xhr.responseXML
}
var firefoxBugTakenEffect = xhr.responseXML && xhr.responseXML.documentElement.nodeName === "parsererror";
if (xhr.responseType === "" && !firefoxBugTakenEffect) {
return xhr.responseXML
}
return null
}
function noop() {}
/**
* @file text-track.js
*/
/**
* Takes a webvtt file contents and parses it into cues
*
* @param {string} srcContent
* webVTT file contents
*
* @param {TextTrack} track
* TextTrack to add cues to. Cues come from the srcContent.
*
* @private
*/
var parseCues = function parseCues(srcContent, track) {
var parser = new window_1.WebVTT.Parser(window_1, window_1.vttjs, window_1.WebVTT.StringDecoder());
var errors = [];
parser.oncue = function (cue) {
track.addCue(cue);
};
parser.onparsingerror = function (error) {
errors.push(error);
};
parser.onflush = function () {
track.trigger({
type: 'loadeddata',
target: track
});
};
parser.parse(srcContent);
if (errors.length > 0) {
if (window_1.console && window_1.console.groupCollapsed) {
window_1.console.groupCollapsed('Text Track parsing errors for ' + track.src);
}
errors.forEach(function (error) {
return log$1.error(error);
});
if (window_1.console && window_1.console.groupEnd) {
window_1.console.groupEnd();
}
}
parser.flush();
};
/**
* Load a `TextTrack` from a specifed url.
*
* @param {string} src
* Url to load track from.
*
* @param {TextTrack} track
* Track to add cues to. Comes from the content at the end of `url`.
*
* @private
*/
var loadTrack = function loadTrack(src, track) {
var opts = {
uri: src
};
var crossOrigin = isCrossOrigin(src);
if (crossOrigin) {
opts.cors = crossOrigin;
}
index(opts, bind(this, function (err, response, responseBody) {
if (err) {
return log$1.error(err, response);
}
track.loaded_ = true;
// Make sure that vttjs has loaded, otherwise, wait till it finished loading
// NOTE: this is only used for the alt/video.novtt.js build
if (typeof window_1.WebVTT !== 'function') {
if (track.tech_) {
var loadHandler = function loadHandler() {
return parseCues(responseBody, track);
};
track.tech_.on('vttjsloaded', loadHandler);
track.tech_.on('vttjserror', function () {
log$1.error('vttjs failed to load, stopping trying to process ' + track.src);
track.tech_.off('vttjsloaded', loadHandler);
});
}
} else {
parseCues(responseBody, track);
}
}));
};
/**
* A representation of a single `TextTrack`.
*
* @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#texttrack}
* @extends Track
*/
var TextTrack = function (_Track) {
inherits(TextTrack, _Track);
/**
* Create an instance of this class.
*
* @param {Object} options={}
* Object of option names and values
*
* @param {Tech} options.tech
* A reference to the tech that owns this TextTrack.
*
* @param {TextTrack~Kind} [options.kind='subtitles']
* A valid text track kind.
*
* @param {TextTrack~Mode} [options.mode='disabled']
* A valid text track mode.
*
* @param {string} [options.id='vjs_track_' + Guid.newGUID()]
* A unique id for this TextTrack.
*
* @param {string} [options.label='']
* The menu label for this track.
*
* @param {string} [options.language='']
* A valid two character language code.
*
* @param {string} [options.srclang='']
* A valid two character language code. An alternative, but deprioritized
* vesion of `options.language`
*
* @param {string} [options.src]
* A url to TextTrack cues.
*
* @param {boolean} [options.default]
* If this track should default to on or off.
*/
function TextTrack() {
var _this, _ret;
var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
classCallCheck(this, TextTrack);
if (!options.tech) {
throw new Error('A tech was not provided.');
}
var settings = mergeOptions(options, {
kind: TextTrackKind[options.kind] || 'subtitles',
language: options.language || options.srclang || ''
});
var mode = TextTrackMode[settings.mode] || 'disabled';
var default_ = settings['default'];
if (settings.kind === 'metadata' || settings.kind === 'chapters') {
mode = 'hidden';
}
// on IE8 this will be a document element
// for every other browser this will be a normal object
var tt = (_this = possibleConstructorReturn(this, _Track.call(this, settings)), _this);
tt.tech_ = settings.tech;
if (IS_IE8) {
for (var prop in TextTrack.prototype) {
if (prop !== 'constructor') {
tt[prop] = TextTrack.prototype[prop];
}
}
}
tt.cues_ = [];
tt.activeCues_ = [];
var cues = new TextTrackCueList(tt.cues_);
var activeCues = new TextTrackCueList(tt.activeCues_);
var changed = false;
var timeupdateHandler = bind(tt, function () {
// Accessing this.activeCues for the side-effects of updating itself
// due to it's nature as a getter function. Do not remove or cues will
// stop updating!
/* eslint-disable no-unused-expressions */
this.activeCues;
/* eslint-enable no-unused-expressions */
if (changed) {
this.trigger('cuechange');
changed = false;
}
});
if (mode !== 'disabled') {
tt.tech_.ready(function () {
tt.tech_.on('timeupdate', timeupdateHandler);
}, true);
}
/**
* @memberof TextTrack
* @member {boolean} default
* If this track was set to be on or off by default. Cannot be changed after
* creation.
* @instance
*
* @readonly
*/
Object.defineProperty(tt, 'default', {
get: function get$$1() {
return default_;
},
set: function set$$1() {}
});
/**
* @memberof TextTrack
* @member {string} mode
* Set the mode of this TextTrack to a valid {@link TextTrack~Mode}. Will
* not be set if setting to an invalid mode.
* @instance
*
* @fires TextTrack#modechange
*/
Object.defineProperty(tt, 'mode', {
get: function get$$1() {
return mode;
},
set: function set$$1(newMode) {
var _this2 = this;
if (!TextTrackMode[newMode]) {
return;
}
mode = newMode;
if (mode === 'showing') {
this.tech_.ready(function () {
_this2.tech_.on('timeupdate', timeupdateHandler);
}, true);
}
/**
* An event that fires when mode changes on this track. This allows
* the TextTrackList that holds this track to act accordingly.
*
* > Note: This is not part of the spec!
*
* @event TextTrack#modechange
* @type {EventTarget~Event}
*/
this.trigger('modechange');
}
});
/**
* @memberof TextTrack
* @member {TextTrackCueList} cues
* The text track cue list for this TextTrack.
* @instance
*/
Object.defineProperty(tt, 'cues', {
get: function get$$1() {
if (!this.loaded_) {
return null;
}
return cues;
},
set: function set$$1() {}
});
/**
* @memberof TextTrack
* @member {TextTrackCueList} activeCues
* The list text track cues that are currently active for this TextTrack.
* @instance
*/
Object.defineProperty(tt, 'activeCues', {
get: function get$$1() {
if (!this.loaded_) {
return null;
}
// nothing to do
if (this.cues.length === 0) {
return activeCues;
}
var ct = this.tech_.currentTime();
var active = [];
for (var i = 0, l = this.cues.length; i < l; i++) {
var cue = this.cues[i];
if (cue.startTime <= ct && cue.endTime >= ct) {
active.push(cue);
} else if (cue.startTime === cue.endTime && cue.startTime <= ct && cue.startTime + 0.5 >= ct) {
active.push(cue);
}
}
changed = false;
if (active.length !== this.activeCues_.length) {
changed = true;
} else {
for (var _i = 0; _i < active.length; _i++) {
if (this.activeCues_.indexOf(active[_i]) === -1) {
changed = true;
}
}
}
this.activeCues_ = active;
activeCues.setCues_(this.activeCues_);
return activeCues;
},
set: function set$$1() {}
});
if (settings.src) {
tt.src = settings.src;
loadTrack(settings.src, tt);
} else {
tt.loaded_ = true;
}
return _ret = tt, possibleConstructorReturn(_this, _ret);
}
/**
* Add a cue to the internal list of cues.
*
* @param {TextTrack~Cue} cue
* The cue to add to our internal list
*/
TextTrack.prototype.addCue = function addCue(originalCue) {
var cue = originalCue;
if (window_1.vttjs && !(originalCue instanceof window_1.vttjs.VTTCue)) {
cue = new window_1.vttjs.VTTCue(originalCue.startTime, originalCue.endTime, originalCue.text);
for (var prop in originalCue) {
if (!(prop in cue)) {
cue[prop] = originalCue[prop];
}
}
// make sure that `id` is copied over
cue.id = originalCue.id;
cue.originalCue_ = originalCue;
}
var tracks = this.tech_.textTracks();
for (var i = 0; i < tracks.length; i++) {
if (tracks[i] !== this) {
tracks[i].removeCue(cue);
}
}
this.cues_.push(cue);
this.cues.setCues_(this.cues_);
};
/**
* Remove a cue from our internal list
*
* @param {TextTrack~Cue} removeCue
* The cue to remove from our internal list
*/
TextTrack.prototype.removeCue = function removeCue(_removeCue) {
var i = this.cues_.length;
while (i--) {
var cue = this.cues_[i];
if (cue === _removeCue || cue.originalCue_ && cue.originalCue_ === _removeCue) {
this.cues_.splice(i, 1);
this.cues.setCues_(this.cues_);
break;
}
}
};
return TextTrack;
}(Track);
/**
* cuechange - One or more cues in the track have become active or stopped being active.
*/
TextTrack.prototype.allowedEvents_ = {
cuechange: 'cuechange'
};
/**
* A representation of a single `AudioTrack`. If it is part of an {@link AudioTrackList}
* only one `AudioTrack` in the list will be enabled at a time.
*
* @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#audiotrack}
* @extends Track
*/
var AudioTrack = function (_Track) {
inherits(AudioTrack, _Track);
/**
* Create an instance of this class.
*
* @param {Object} [options={}]
* Object of option names and values
*
* @param {AudioTrack~Kind} [options.kind='']
* A valid audio track kind
*
* @param {string} [options.id='vjs_track_' + Guid.newGUID()]
* A unique id for this AudioTrack.
*
* @param {string} [options.label='']
* The menu label for this track.
*
* @param {string} [options.language='']
* A valid two character language code.
*
* @param {boolean} [options.enabled]
* If this track is the one that is currently playing. If this track is part of
* an {@link AudioTrackList}, only one {@link AudioTrack} will be enabled.
*/
function AudioTrack() {
var _this, _ret;
var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
classCallCheck(this, AudioTrack);
var settings = mergeOptions(options, {
kind: AudioTrackKind[options.kind] || ''
});
// on IE8 this will be a document element
// for every other browser this will be a normal object
var track = (_this = possibleConstructorReturn(this, _Track.call(this, settings)), _this);
var enabled = false;
if (IS_IE8) {
for (var prop in AudioTrack.prototype) {
if (prop !== 'constructor') {
track[prop] = AudioTrack.prototype[prop];
}
}
}
/**
* @memberof AudioTrack
* @member {boolean} enabled
* If this `AudioTrack` is enabled or not. When setting this will
* fire {@link AudioTrack#enabledchange} if the state of enabled is changed.
* @instance
*
* @fires VideoTrack#selectedchange
*/
Object.defineProperty(track, 'enabled', {
get: function get$$1() {
return enabled;
},
set: function set$$1(newEnabled) {
// an invalid or unchanged value
if (typeof newEnabled !== 'boolean' || newEnabled === enabled) {
return;
}
enabled = newEnabled;
/**
* An event that fires when enabled changes on this track. This allows
* the AudioTrackList that holds this track to act accordingly.
*
* > Note: This is not part of the spec! Native tracks will do
* this internally without an event.
*
* @event AudioTrack#enabledchange
* @type {EventTarget~Event}
*/
this.trigger('enabledchange');
}
});
// if the user sets this track to selected then
// set selected to that true value otherwise
// we keep it false
if (settings.enabled) {
track.enabled = settings.enabled;
}
track.loaded_ = true;
return _ret = track, possibleConstructorReturn(_this, _ret);
}
return AudioTrack;
}(Track);
/**
* A representation of a single `VideoTrack`.
*
* @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#videotrack}
* @extends Track
*/
var VideoTrack = function (_Track) {
inherits(VideoTrack, _Track);
/**
* Create an instance of this class.
*
* @param {Object} [options={}]
* Object of option names and values
*
* @param {string} [options.kind='']
* A valid {@link VideoTrack~Kind}
*
* @param {string} [options.id='vjs_track_' + Guid.newGUID()]
* A unique id for this AudioTrack.
*
* @param {string} [options.label='']
* The menu label for this track.
*
* @param {string} [options.language='']
* A valid two character language code.
*
* @param {boolean} [options.selected]
* If this track is the one that is currently playing.
*/
function VideoTrack() {
var _this, _ret;
var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
classCallCheck(this, VideoTrack);
var settings = mergeOptions(options, {
kind: VideoTrackKind[options.kind] || ''
});
// on IE8 this will be a document element
// for every other browser this will be a normal object
var track = (_this = possibleConstructorReturn(this, _Track.call(this, settings)), _this);
var selected = false;
if (IS_IE8) {
for (var prop in VideoTrack.prototype) {
if (prop !== 'constructor') {
track[prop] = VideoTrack.prototype[prop];
}
}
}
/**
* @memberof VideoTrack
* @member {boolean} selected
* If this `VideoTrack` is selected or not. When setting this will
* fire {@link VideoTrack#selectedchange} if the state of selected changed.
* @instance
*
* @fires VideoTrack#selectedchange
*/
Object.defineProperty(track, 'selected', {
get: function get$$1() {
return selected;
},
set: function set$$1(newSelected) {
// an invalid or unchanged value
if (typeof newSelected !== 'boolean' || newSelected === selected) {
return;
}
selected = newSelected;
/**
* An event that fires when selected changes on this track. This allows
* the VideoTrackList that holds this track to act accordingly.
*
* > Note: This is not part of the spec! Native tracks will do
* this internally without an event.
*
* @event VideoTrack#selectedchange
* @type {EventTarget~Event}
*/
this.trigger('selectedchange');
}
});
// if the user sets this track to selected then
// set selected to that true value otherwise
// we keep it false
if (settings.selected) {
track.selected = settings.selected;
}
return _ret = track, possibleConstructorReturn(_this, _ret);
}
return VideoTrack;
}(Track);
/**
* @file html-track-element.js
*/
/**
* @memberof HTMLTrackElement
* @typedef {HTMLTrackElement~ReadyState}
* @enum {number}
*/
var NONE = 0;
var LOADING = 1;
var LOADED = 2;
var ERROR = 3;
/**
* A single track represented in the DOM.
*
* @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#htmltrackelement}
* @extends EventTarget
*/
var HTMLTrackElement = function (_EventTarget) {
inherits(HTMLTrackElement, _EventTarget);
/**
* Create an instance of this class.
*
* @param {Object} options={}
* Object of option names and values
*
* @param {Tech} options.tech
* A reference to the tech that owns this HTMLTrackElement.
*
* @param {TextTrack~Kind} [options.kind='subtitles']
* A valid text track kind.
*
* @param {TextTrack~Mode} [options.mode='disabled']
* A valid text track mode.
*
* @param {string} [options.id='vjs_track_' + Guid.newGUID()]
* A unique id for this TextTrack.
*
* @param {string} [options.label='']
* The menu label for this track.
*
* @param {string} [options.language='']
* A valid two character language code.
*
* @param {string} [options.srclang='']
* A valid two character language code. An alternative, but deprioritized
* vesion of `options.language`
*
* @param {string} [options.src]
* A url to TextTrack cues.
*
* @param {boolean} [options.default]
* If this track should default to on or off.
*/
function HTMLTrackElement() {
var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
classCallCheck(this, HTMLTrackElement);
var _this = possibleConstructorReturn(this, _EventTarget.call(this));
var readyState = void 0;
var trackElement = _this; // eslint-disable-line
if (IS_IE8) {
trackElement = document_1.createElement('custom');
for (var prop in HTMLTrackElement.prototype) {
if (prop !== 'constructor') {
trackElement[prop] = HTMLTrackElement.prototype[prop];
}
}
}
var track = new TextTrack(options);
trackElement.kind = track.kind;
trackElement.src = track.src;
trackElement.srclang = track.language;
trackElement.label = track.label;
trackElement['default'] = track['default'];
/**
* @memberof HTMLTrackElement
* @member {HTMLTrackElement~ReadyState} readyState
* The current ready state of the track element.
* @instance
*/
Object.defineProperty(trackElement, 'readyState', {
get: function get$$1() {
return readyState;
}
});
/**
* @memberof HTMLTrackElement
* @member {TextTrack} track
* The underlying TextTrack object.
* @instance
*
*/
Object.defineProperty(trackElement, 'track', {
get: function get$$1() {
return track;
}
});
readyState = NONE;
/**
* @listens TextTrack#loadeddata
* @fires HTMLTrackElement#load
*/
track.addEventListener('loadeddata', function () {
readyState = LOADED;
trackElement.trigger({
type: 'load',
target: trackElement
});
});
if (IS_IE8) {
var _ret;
return _ret = trackElement, possibleConstructorReturn(_this, _ret);
}
return _this;
}
return HTMLTrackElement;
}(EventTarget);
HTMLTrackElement.prototype.allowedEvents_ = {
load: 'load'
};
HTMLTrackElement.NONE = NONE;
HTMLTrackElement.LOADING = LOADING;
HTMLTrackElement.LOADED = LOADED;
HTMLTrackElement.ERROR = ERROR;
/*
* This file contains all track properties that are used in
* player.js, tech.js, html5.js and possibly other techs in the future.
*/
var NORMAL = {
audio: {
ListClass: AudioTrackList,
TrackClass: AudioTrack,
capitalName: 'Audio'
},
video: {
ListClass: VideoTrackList,
TrackClass: VideoTrack,
capitalName: 'Video'
},
text: {
ListClass: TextTrackList,
TrackClass: TextTrack,
capitalName: 'Text'
}
};
Object.keys(NORMAL).forEach(function (type) {
NORMAL[type].getterName = type + 'Tracks';
NORMAL[type].privateName = type + 'Tracks_';
});
var REMOTE = {
remoteText: {
ListClass: TextTrackList,
TrackClass: TextTrack,
capitalName: 'RemoteText',
getterName: 'remoteTextTracks',
privateName: 'remoteTextTracks_'
},
remoteTextEl: {
ListClass: HtmlTrackElementList,
TrackClass: HTMLTrackElement,
capitalName: 'RemoteTextTrackEls',
getterName: 'remoteTextTrackEls',
privateName: 'remoteTextTrackEls_'
}
};
var ALL = mergeOptions(NORMAL, REMOTE);
REMOTE.names = Object.keys(REMOTE);
NORMAL.names = Object.keys(NORMAL);
ALL.names = [].concat(REMOTE.names).concat(NORMAL.names);
/**
* Copyright 2013 vtt.js Contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
var _objCreate = Object.create || (function() {
function F() {}
return function(o) {
if (arguments.length !== 1) {
throw new Error('Object.create shim only accepts one parameter.');
}
F.prototype = o;
return new F();
};
})();
// Creates a new ParserError object from an errorData object. The errorData
// object should have default code and message properties. The default message
// property can be overriden by passing in a message parameter.
// See ParsingError.Errors below for acceptable errors.
function ParsingError(errorData, message) {
this.name = "ParsingError";
this.code = errorData.code;
this.message = message || errorData.message;
}
ParsingError.prototype = _objCreate(Error.prototype);
ParsingError.prototype.constructor = ParsingError;
// ParsingError metadata for acceptable ParsingErrors.
ParsingError.Errors = {
BadSignature: {
code: 0,
message: "Malformed WebVTT signature."
},
BadTimeStamp: {
code: 1,
message: "Malformed time stamp."
}
};
// Try to parse input as a time stamp.
function parseTimeStamp(input) {
function computeSeconds(h, m, s, f) {
return (h | 0) * 3600 + (m | 0) * 60 + (s | 0) + (f | 0) / 1000;
}
var m = input.match(/^(\d+):(\d{2})(:\d{2})?\.(\d{3})/);
if (!m) {
return null;
}
if (m[3]) {
// Timestamp takes the form of [hours]:[minutes]:[seconds].[milliseconds]
return computeSeconds(m[1], m[2], m[3].replace(":", ""), m[4]);
} else if (m[1] > 59) {
// Timestamp takes the form of [hours]:[minutes].[milliseconds]
// First position is hours as it's over 59.
return computeSeconds(m[1], m[2], 0, m[4]);
} else {
// Timestamp takes the form of [minutes]:[seconds].[milliseconds]
return computeSeconds(0, m[1], m[2], m[4]);
}
}
// A settings object holds key/value pairs and will ignore anything but the first
// assignment to a specific key.
function Settings() {
this.values = _objCreate(null);
}
Settings.prototype = {
// Only accept the first assignment to any key.
set: function(k, v) {
if (!this.get(k) && v !== "") {
this.values[k] = v;
}
},
// Return the value for a key, or a default value.
// If 'defaultKey' is passed then 'dflt' is assumed to be an object with
// a number of possible default values as properties where 'defaultKey' is
// the key of the property that will be chosen; otherwise it's assumed to be
// a single value.
get: function(k, dflt, defaultKey) {
if (defaultKey) {
return this.has(k) ? this.values[k] : dflt[defaultKey];
}
return this.has(k) ? this.values[k] : dflt;
},
// Check whether we have a value for a key.
has: function(k) {
return k in this.values;
},
// Accept a setting if its one of the given alternatives.
alt: function(k, v, a) {
for (var n = 0; n < a.length; ++n) {
if (v === a[n]) {
this.set(k, v);
break;
}
}
},
// Accept a setting if its a valid (signed) integer.
integer: function(k, v) {
if (/^-?\d+$/.test(v)) { // integer
this.set(k, parseInt(v, 10));
}
},
// Accept a setting if its a valid percentage.
percent: function(k, v) {
var m;
if ((m = v.match(/^([\d]{1,3})(\.[\d]*)?%$/))) {
v = parseFloat(v);
if (v >= 0 && v <= 100) {
this.set(k, v);
return true;
}
}
return false;
}
};
// Helper function to parse input into groups separated by 'groupDelim', and
// interprete each group as a key/value pair separated by 'keyValueDelim'.
function parseOptions(input, callback, keyValueDelim, groupDelim) {
var groups = groupDelim ? input.split(groupDelim) : [input];
for (var i in groups) {
if (typeof groups[i] !== "string") {
continue;
}
var kv = groups[i].split(keyValueDelim);
if (kv.length !== 2) {
continue;
}
var k = kv[0];
var v = kv[1];
callback(k, v);
}
}
function parseCue(input, cue, regionList) {
// Remember the original input if we need to throw an error.
var oInput = input;
// 4.1 WebVTT timestamp
function consumeTimeStamp() {
var ts = parseTimeStamp(input);
if (ts === null) {
throw new ParsingError(ParsingError.Errors.BadTimeStamp,
"Malformed timestamp: " + oInput);
}
// Remove time stamp from input.
input = input.replace(/^[^\sa-zA-Z-]+/, "");
return ts;
}
// 4.4.2 WebVTT cue settings
function consumeCueSettings(input, cue) {
var settings = new Settings();
parseOptions(input, function (k, v) {
switch (k) {
case "region":
// Find the last region we parsed with the same region id.
for (var i = regionList.length - 1; i >= 0; i--) {
if (regionList[i].id === v) {
settings.set(k, regionList[i].region);
break;
}
}
break;
case "vertical":
settings.alt(k, v, ["rl", "lr"]);
break;
case "line":
var vals = v.split(","),
vals0 = vals[0];
settings.integer(k, vals0);
settings.percent(k, vals0) ? settings.set("snapToLines", false) : null;
settings.alt(k, vals0, ["auto"]);
if (vals.length === 2) {
settings.alt("lineAlign", vals[1], ["start", "middle", "end"]);
}
break;
case "position":
vals = v.split(",");
settings.percent(k, vals[0]);
if (vals.length === 2) {
settings.alt("positionAlign", vals[1], ["start", "middle", "end"]);
}
break;
case "size":
settings.percent(k, v);
break;
case "align":
settings.alt(k, v, ["start", "middle", "end", "left", "right"]);
break;
}
}, /:/, /\s/);
// Apply default values for any missing fields.
cue.region = settings.get("region", null);
cue.vertical = settings.get("vertical", "");
cue.line = settings.get("line", "auto");
cue.lineAlign = settings.get("lineAlign", "start");
cue.snapToLines = settings.get("snapToLines", true);
cue.size = settings.get("size", 100);
cue.align = settings.get("align", "middle");
cue.position = settings.get("position", {
start: 0,
left: 0,
middle: 50,
end: 100,
right: 100
}, cue.align);
cue.positionAlign = settings.get("positionAlign", {
start: "start",
left: "start",
middle: "middle",
end: "end",
right: "end"
}, cue.align);
}
function skipWhitespace() {
input = input.replace(/^\s+/, "");
}
// 4.1 WebVTT cue timings.
skipWhitespace();
cue.startTime = consumeTimeStamp(); // (1) collect cue start time
skipWhitespace();
if (input.substr(0, 3) !== "-->") { // (3) next characters must match "-->"
throw new ParsingError(ParsingError.Errors.BadTimeStamp,
"Malformed time stamp (time stamps must be separated by '-->'): " +
oInput);
}
input = input.substr(3);
skipWhitespace();
cue.endTime = consumeTimeStamp(); // (5) collect cue end time
// 4.1 WebVTT cue settings list.
skipWhitespace();
consumeCueSettings(input, cue);
}
var ESCAPE = {
"&": "&",
"<": "<",
">": ">",
"": "\u200e",
"": "\u200f",
" ": "\u00a0"
};
var TAG_NAME = {
c: "span",
i: "i",
b: "b",
u: "u",
ruby: "ruby",
rt: "rt",
v: "span",
lang: "span"
};
var TAG_ANNOTATION = {
v: "title",
lang: "lang"
};
var NEEDS_PARENT = {
rt: "ruby"
};
// Parse content into a document fragment.
function parseContent(window, input) {
function nextToken() {
// Check for end-of-string.
if (!input) {
return null;
}
// Consume 'n' characters from the input.
function consume(result) {
input = input.substr(result.length);
return result;
}
var m = input.match(/^([^<]*)(<[^>]+>?)?/);
// If there is some text before the next tag, return it, otherwise return
// the tag.
return consume(m[1] ? m[1] : m[2]);
}
// Unescape a string 's'.
function unescape1(e) {
return ESCAPE[e];
}
function unescape(s) {
while ((m = s.match(/&(amp|lt|gt|lrm|rlm|nbsp);/))) {
s = s.replace(m[0], unescape1);
}
return s;
}
function shouldAdd(current, element) {
return !NEEDS_PARENT[element.localName] ||
NEEDS_PARENT[element.localName] === current.localName;
}
// Create an element for this tag.
function createElement(type, annotation) {
var tagName = TAG_NAME[type];
if (!tagName) {
return null;
}
var element = window.document.createElement(tagName);
element.localName = tagName;
var name = TAG_ANNOTATION[type];
if (name && annotation) {
element[name] = annotation.trim();
}
return element;
}
var rootDiv = window.document.createElement("div"),
current = rootDiv,
t,
tagStack = [];
while ((t = nextToken()) !== null) {
if (t[0] === '<') {
if (t[1] === "/") {
// If the closing tag matches, move back up to the parent node.
if (tagStack.length &&
tagStack[tagStack.length - 1] === t.substr(2).replace(">", "")) {
tagStack.pop();
current = current.parentNode;
}
// Otherwise just ignore the end tag.
continue;
}
var ts = parseTimeStamp(t.substr(1, t.length - 2));
var node;
if (ts) {
// Timestamps are lead nodes as well.
node = window.document.createProcessingInstruction("timestamp", ts);
current.appendChild(node);
continue;
}
var m = t.match(/^<([^.\s/0-9>]+)(\.[^\s\\>]+)?([^>\\]+)?(\\?)>?$/);
// If we can't parse the tag, skip to the next tag.
if (!m) {
continue;
}
// Try to construct an element, and ignore the tag if we couldn't.
node = createElement(m[1], m[3]);
if (!node) {
continue;
}
// Determine if the tag should be added based on the context of where it
// is placed in the cuetext.
if (!shouldAdd(current, node)) {
continue;
}
// Set the class list (as a list of classes, separated by space).
if (m[2]) {
node.className = m[2].substr(1).replace('.', ' ');
}
// Append the node to the current node, and enter the scope of the new
// node.
tagStack.push(m[1]);
current.appendChild(node);
current = node;
continue;
}
// Text nodes are leaf nodes.
current.appendChild(window.document.createTextNode(unescape(t)));
}
return rootDiv;
}
// This is a list of all the Unicode characters that have a strong
// right-to-left category. What this means is that these characters are
// written right-to-left for sure. It was generated by pulling all the strong
// right-to-left characters out of the Unicode data table. That table can
// found at: http://www.unicode.org/Public/UNIDATA/UnicodeData.txt
var strongRTLRanges = [[0x5be, 0x5be], [0x5c0, 0x5c0], [0x5c3, 0x5c3], [0x5c6, 0x5c6],
[0x5d0, 0x5ea], [0x5f0, 0x5f4], [0x608, 0x608], [0x60b, 0x60b], [0x60d, 0x60d],
[0x61b, 0x61b], [0x61e, 0x64a], [0x66d, 0x66f], [0x671, 0x6d5], [0x6e5, 0x6e6],
[0x6ee, 0x6ef], [0x6fa, 0x70d], [0x70f, 0x710], [0x712, 0x72f], [0x74d, 0x7a5],
[0x7b1, 0x7b1], [0x7c0, 0x7ea], [0x7f4, 0x7f5], [0x7fa, 0x7fa], [0x800, 0x815],
[0x81a, 0x81a], [0x824, 0x824], [0x828, 0x828], [0x830, 0x83e], [0x840, 0x858],
[0x85e, 0x85e], [0x8a0, 0x8a0], [0x8a2, 0x8ac], [0x200f, 0x200f],
[0xfb1d, 0xfb1d], [0xfb1f, 0xfb28], [0xfb2a, 0xfb36], [0xfb38, 0xfb3c],
[0xfb3e, 0xfb3e], [0xfb40, 0xfb41], [0xfb43, 0xfb44], [0xfb46, 0xfbc1],
[0xfbd3, 0xfd3d], [0xfd50, 0xfd8f], [0xfd92, 0xfdc7], [0xfdf0, 0xfdfc],
[0xfe70, 0xfe74], [0xfe76, 0xfefc], [0x10800, 0x10805], [0x10808, 0x10808],
[0x1080a, 0x10835], [0x10837, 0x10838], [0x1083c, 0x1083c], [0x1083f, 0x10855],
[0x10857, 0x1085f], [0x10900, 0x1091b], [0x10920, 0x10939], [0x1093f, 0x1093f],
[0x10980, 0x109b7], [0x109be, 0x109bf], [0x10a00, 0x10a00], [0x10a10, 0x10a13],
[0x10a15, 0x10a17], [0x10a19, 0x10a33], [0x10a40, 0x10a47], [0x10a50, 0x10a58],
[0x10a60, 0x10a7f], [0x10b00, 0x10b35], [0x10b40, 0x10b55], [0x10b58, 0x10b72],
[0x10b78, 0x10b7f], [0x10c00, 0x10c48], [0x1ee00, 0x1ee03], [0x1ee05, 0x1ee1f],
[0x1ee21, 0x1ee22], [0x1ee24, 0x1ee24], [0x1ee27, 0x1ee27], [0x1ee29, 0x1ee32],
[0x1ee34, 0x1ee37], [0x1ee39, 0x1ee39], [0x1ee3b, 0x1ee3b], [0x1ee42, 0x1ee42],
[0x1ee47, 0x1ee47], [0x1ee49, 0x1ee49], [0x1ee4b, 0x1ee4b], [0x1ee4d, 0x1ee4f],
[0x1ee51, 0x1ee52], [0x1ee54, 0x1ee54], [0x1ee57, 0x1ee57], [0x1ee59, 0x1ee59],
[0x1ee5b, 0x1ee5b], [0x1ee5d, 0x1ee5d], [0x1ee5f, 0x1ee5f], [0x1ee61, 0x1ee62],
[0x1ee64, 0x1ee64], [0x1ee67, 0x1ee6a], [0x1ee6c, 0x1ee72], [0x1ee74, 0x1ee77],
[0x1ee79, 0x1ee7c], [0x1ee7e, 0x1ee7e], [0x1ee80, 0x1ee89], [0x1ee8b, 0x1ee9b],
[0x1eea1, 0x1eea3], [0x1eea5, 0x1eea9], [0x1eeab, 0x1eebb], [0x10fffd, 0x10fffd]];
function isStrongRTLChar(charCode) {
for (var i = 0; i < strongRTLRanges.length; i++) {
var currentRange = strongRTLRanges[i];
if (charCode >= currentRange[0] && charCode <= currentRange[1]) {
return true;
}
}
return false;
}
function determineBidi(cueDiv) {
var nodeStack = [],
text = "",
charCode;
if (!cueDiv || !cueDiv.childNodes) {
return "ltr";
}
function pushNodes(nodeStack, node) {
for (var i = node.childNodes.length - 1; i >= 0; i--) {
nodeStack.push(node.childNodes[i]);
}
}
function nextTextNode(nodeStack) {
if (!nodeStack || !nodeStack.length) {
return null;
}
var node = nodeStack.pop(),
text = node.textContent || node.innerText;
if (text) {
// TODO: This should match all unicode type B characters (paragraph
// separator characters). See issue #115.
var m = text.match(/^.*(\n|\r)/);
if (m) {
nodeStack.length = 0;
return m[0];
}
return text;
}
if (node.tagName === "ruby") {
return nextTextNode(nodeStack);
}
if (node.childNodes) {
pushNodes(nodeStack, node);
return nextTextNode(nodeStack);
}
}
pushNodes(nodeStack, cueDiv);
while ((text = nextTextNode(nodeStack))) {
for (var i = 0; i < text.length; i++) {
charCode = text.charCodeAt(i);
if (isStrongRTLChar(charCode)) {
return "rtl";
}
}
}
return "ltr";
}
function computeLinePos(cue) {
if (typeof cue.line === "number" &&
(cue.snapToLines || (cue.line >= 0 && cue.line <= 100))) {
return cue.line;
}
if (!cue.track || !cue.track.textTrackList ||
!cue.track.textTrackList.mediaElement) {
return -1;
}
var track = cue.track,
trackList = track.textTrackList,
count = 0;
for (var i = 0; i < trackList.length && trackList[i] !== track; i++) {
if (trackList[i].mode === "showing") {
count++;
}
}
return ++count * -1;
}
function StyleBox() {
}
// Apply styles to a div. If there is no div passed then it defaults to the
// div on 'this'.
StyleBox.prototype.applyStyles = function(styles, div) {
div = div || this.div;
for (var prop in styles) {
if (styles.hasOwnProperty(prop)) {
div.style[prop] = styles[prop];
}
}
};
StyleBox.prototype.formatStyle = function(val, unit) {
return val === 0 ? 0 : val + unit;
};
// Constructs the computed display state of the cue (a div). Places the div
// into the overlay which should be a block level element (usually a div).
function CueStyleBox(window, cue, styleOptions) {
var isIE8 = (/MSIE\s8\.0/).test(navigator.userAgent);
var color = "rgba(255, 255, 255, 1)";
var backgroundColor = "rgba(0, 0, 0, 0.8)";
if (isIE8) {
color = "rgb(255, 255, 255)";
backgroundColor = "rgb(0, 0, 0)";
}
StyleBox.call(this);
this.cue = cue;
// Parse our cue's text into a DOM tree rooted at 'cueDiv'. This div will
// have inline positioning and will function as the cue background box.
this.cueDiv = parseContent(window, cue.text);
var styles = {
color: color,
backgroundColor: backgroundColor,
position: "relative",
left: 0,
right: 0,
top: 0,
bottom: 0,
display: "inline"
};
if (!isIE8) {
styles.writingMode = cue.vertical === "" ? "horizontal-tb"
: cue.vertical === "lr" ? "vertical-lr"
: "vertical-rl";
styles.unicodeBidi = "plaintext";
}
this.applyStyles(styles, this.cueDiv);
// Create an absolutely positioned div that will be used to position the cue
// div. Note, all WebVTT cue-setting alignments are equivalent to the CSS
// mirrors of them except "middle" which is "center" in CSS.
this.div = window.document.createElement("div");
styles = {
textAlign: cue.align === "middle" ? "center" : cue.align,
font: styleOptions.font,
whiteSpace: "pre-line",
position: "absolute"
};
if (!isIE8) {
styles.direction = determineBidi(this.cueDiv);
styles.writingMode = cue.vertical === "" ? "horizontal-tb"
: cue.vertical === "lr" ? "vertical-lr"
: "vertical-rl".
stylesunicodeBidi = "plaintext";
}
this.applyStyles(styles);
this.div.appendChild(this.cueDiv);
// Calculate the distance from the reference edge of the viewport to the text
// position of the cue box. The reference edge will be resolved later when
// the box orientation styles are applied.
var textPos = 0;
switch (cue.positionAlign) {
case "start":
textPos = cue.position;
break;
case "middle":
textPos = cue.position - (cue.size / 2);
break;
case "end":
textPos = cue.position - cue.size;
break;
}
// Horizontal box orientation; textPos is the distance from the left edge of the
// area to the left edge of the box and cue.size is the distance extending to
// the right from there.
if (cue.vertical === "") {
this.applyStyles({
left: this.formatStyle(textPos, "%"),
width: this.formatStyle(cue.size, "%")
});
// Vertical box orientation; textPos is the distance from the top edge of the
// area to the top edge of the box and cue.size is the height extending
// downwards from there.
} else {
this.applyStyles({
top: this.formatStyle(textPos, "%"),
height: this.formatStyle(cue.size, "%")
});
}
this.move = function(box) {
this.applyStyles({
top: this.formatStyle(box.top, "px"),
bottom: this.formatStyle(box.bottom, "px"),
left: this.formatStyle(box.left, "px"),
right: this.formatStyle(box.right, "px"),
height: this.formatStyle(box.height, "px"),
width: this.formatStyle(box.width, "px")
});
};
}
CueStyleBox.prototype = _objCreate(StyleBox.prototype);
CueStyleBox.prototype.constructor = CueStyleBox;
// Represents the co-ordinates of an Element in a way that we can easily
// compute things with such as if it overlaps or intersects with another Element.
// Can initialize it with either a StyleBox or another BoxPosition.
function BoxPosition(obj) {
var isIE8 = (/MSIE\s8\.0/).test(navigator.userAgent);
// Either a BoxPosition was passed in and we need to copy it, or a StyleBox
// was passed in and we need to copy the results of 'getBoundingClientRect'
// as the object returned is readonly. All co-ordinate values are in reference
// to the viewport origin (top left).
var lh, height, width, top;
if (obj.div) {
height = obj.div.offsetHeight;
width = obj.div.offsetWidth;
top = obj.div.offsetTop;
var rects = (rects = obj.div.childNodes) && (rects = rects[0]) &&
rects.getClientRects && rects.getClientRects();
obj = obj.div.getBoundingClientRect();
// In certain cases the outter div will be slightly larger then the sum of
// the inner div's lines. This could be due to bold text, etc, on some platforms.
// In this case we should get the average line height and use that. This will
// result in the desired behaviour.
lh = rects ? Math.max((rects[0] && rects[0].height) || 0, obj.height / rects.length)
: 0;
}
this.left = obj.left;
this.right = obj.right;
this.top = obj.top || top;
this.height = obj.height || height;
this.bottom = obj.bottom || (top + (obj.height || height));
this.width = obj.width || width;
this.lineHeight = lh !== undefined ? lh : obj.lineHeight;
if (isIE8 && !this.lineHeight) {
this.lineHeight = 13;
}
}
// Move the box along a particular axis. Optionally pass in an amount to move
// the box. If no amount is passed then the default is the line height of the
// box.
BoxPosition.prototype.move = function(axis, toMove) {
toMove = toMove !== undefined ? toMove : this.lineHeight;
switch (axis) {
case "+x":
this.left += toMove;
this.right += toMove;
break;
case "-x":
this.left -= toMove;
this.right -= toMove;
break;
case "+y":
this.top += toMove;
this.bottom += toMove;
break;
case "-y":
this.top -= toMove;
this.bottom -= toMove;
break;
}
};
// Check if this box overlaps another box, b2.
BoxPosition.prototype.overlaps = function(b2) {
return this.left < b2.right &&
this.right > b2.left &&
this.top < b2.bottom &&
this.bottom > b2.top;
};
// Check if this box overlaps any other boxes in boxes.
BoxPosition.prototype.overlapsAny = function(boxes) {
for (var i = 0; i < boxes.length; i++) {
if (this.overlaps(boxes[i])) {
return true;
}
}
return false;
};
// Check if this box is within another box.
BoxPosition.prototype.within = function(container) {
return this.top >= container.top &&
this.bottom <= container.bottom &&
this.left >= container.left &&
this.right <= container.right;
};
// Check if this box is entirely within the container or it is overlapping
// on the edge opposite of the axis direction passed. For example, if "+x" is
// passed and the box is overlapping on the left edge of the container, then
// return true.
BoxPosition.prototype.overlapsOppositeAxis = function(container, axis) {
switch (axis) {
case "+x":
return this.left < container.left;
case "-x":
return this.right > container.right;
case "+y":
return this.top < container.top;
case "-y":
return this.bottom > container.bottom;
}
};
// Find the percentage of the area that this box is overlapping with another
// box.
BoxPosition.prototype.intersectPercentage = function(b2) {
var x = Math.max(0, Math.min(this.right, b2.right) - Math.max(this.left, b2.left)),
y = Math.max(0, Math.min(this.bottom, b2.bottom) - Math.max(this.top, b2.top)),
intersectArea = x * y;
return intersectArea / (this.height * this.width);
};
// Convert the positions from this box to CSS compatible positions using
// the reference container's positions. This has to be done because this
// box's positions are in reference to the viewport origin, whereas, CSS
// values are in referecne to their respective edges.
BoxPosition.prototype.toCSSCompatValues = function(reference) {
return {
top: this.top - reference.top,
bottom: reference.bottom - this.bottom,
left: this.left - reference.left,
right: reference.right - this.right,
height: this.height,
width: this.width
};
};
// Get an object that represents the box's position without anything extra.
// Can pass a StyleBox, HTMLElement, or another BoxPositon.
BoxPosition.getSimpleBoxPosition = function(obj) {
var height = obj.div ? obj.div.offsetHeight : obj.tagName ? obj.offsetHeight : 0;
var width = obj.div ? obj.div.offsetWidth : obj.tagName ? obj.offsetWidth : 0;
var top = obj.div ? obj.div.offsetTop : obj.tagName ? obj.offsetTop : 0;
obj = obj.div ? obj.div.getBoundingClientRect() :
obj.tagName ? obj.getBoundingClientRect() : obj;
var ret = {
left: obj.left,
right: obj.right,
top: obj.top || top,
height: obj.height || height,
bottom: obj.bottom || (top + (obj.height || height)),
width: obj.width || width
};
return ret;
};
// Move a StyleBox to its specified, or next best, position. The containerBox
// is the box that contains the StyleBox, such as a div. boxPositions are
// a list of other boxes that the styleBox can't overlap with.
function moveBoxToLinePosition(window, styleBox, containerBox, boxPositions) {
// Find the best position for a cue box, b, on the video. The axis parameter
// is a list of axis, the order of which, it will move the box along. For example:
// Passing ["+x", "-x"] will move the box first along the x axis in the positive
// direction. If it doesn't find a good position for it there it will then move
// it along the x axis in the negative direction.
function findBestPosition(b, axis) {
var bestPosition,
specifiedPosition = new BoxPosition(b),
percentage = 1; // Highest possible so the first thing we get is better.
for (var i = 0; i < axis.length; i++) {
while (b.overlapsOppositeAxis(containerBox, axis[i]) ||
(b.within(containerBox) && b.overlapsAny(boxPositions))) {
b.move(axis[i]);
}
// We found a spot where we aren't overlapping anything. This is our
// best position.
if (b.within(containerBox)) {
return b;
}
var p = b.intersectPercentage(containerBox);
// If we're outside the container box less then we were on our last try
// then remember this position as the best position.
if (percentage > p) {
bestPosition = new BoxPosition(b);
percentage = p;
}
// Reset the box position to the specified position.
b = new BoxPosition(specifiedPosition);
}
return bestPosition || specifiedPosition;
}
var boxPosition = new BoxPosition(styleBox),
cue = styleBox.cue,
linePos = computeLinePos(cue),
axis = [];
// If we have a line number to align the cue to.
if (cue.snapToLines) {
var size;
switch (cue.vertical) {
case "":
axis = [ "+y", "-y" ];
size = "height";
break;
case "rl":
axis = [ "+x", "-x" ];
size = "width";
break;
case "lr":
axis = [ "-x", "+x" ];
size = "width";
break;
}
var step = boxPosition.lineHeight,
position = step * Math.round(linePos),
maxPosition = containerBox[size] + step,
initialAxis = axis[0];
// If the specified intial position is greater then the max position then
// clamp the box to the amount of steps it would take for the box to
// reach the max position.
if (Math.abs(position) > maxPosition) {
position = position < 0 ? -1 : 1;
position *= Math.ceil(maxPosition / step) * step;
}
// If computed line position returns negative then line numbers are
// relative to the bottom of the video instead of the top. Therefore, we
// need to increase our initial position by the length or width of the
// video, depending on the writing direction, and reverse our axis directions.
if (linePos < 0) {
position += cue.vertical === "" ? containerBox.height : containerBox.width;
axis = axis.reverse();
}
// Move the box to the specified position. This may not be its best
// position.
boxPosition.move(initialAxis, position);
} else {
// If we have a percentage line value for the cue.
var calculatedPercentage = (boxPosition.lineHeight / containerBox.height) * 100;
switch (cue.lineAlign) {
case "middle":
linePos -= (calculatedPercentage / 2);
break;
case "end":
linePos -= calculatedPercentage;
break;
}
// Apply initial line position to the cue box.
switch (cue.vertical) {
case "":
styleBox.applyStyles({
top: styleBox.formatStyle(linePos, "%")
});
break;
case "rl":
styleBox.applyStyles({
left: styleBox.formatStyle(linePos, "%")
});
break;
case "lr":
styleBox.applyStyles({
right: styleBox.formatStyle(linePos, "%")
});
break;
}
axis = [ "+y", "-x", "+x", "-y" ];
// Get the box position again after we've applied the specified positioning
// to it.
boxPosition = new BoxPosition(styleBox);
}
var bestPosition = findBestPosition(boxPosition, axis);
styleBox.move(bestPosition.toCSSCompatValues(containerBox));
}
function WebVTT$1() {
// Nothing
}
// Helper to allow strings to be decoded instead of the default binary utf8 data.
WebVTT$1.StringDecoder = function() {
return {
decode: function(data) {
if (!data) {
return "";
}
if (typeof data !== "string") {
throw new Error("Error - expected string data.");
}
return decodeURIComponent(encodeURIComponent(data));
}
};
};
WebVTT$1.convertCueToDOMTree = function(window, cuetext) {
if (!window || !cuetext) {
return null;
}
return parseContent(window, cuetext);
};
var FONT_SIZE_PERCENT = 0.05;
var FONT_STYLE = "sans-serif";
var CUE_BACKGROUND_PADDING = "1.5%";
// Runs the processing model over the cues and regions passed to it.
// @param overlay A block level element (usually a div) that the computed cues
// and regions will be placed into.
WebVTT$1.processCues = function(window, cues, overlay) {
if (!window || !cues || !overlay) {
return null;
}
// Remove all previous children.
while (overlay.firstChild) {
overlay.removeChild(overlay.firstChild);
}
var paddedOverlay = window.document.createElement("div");
paddedOverlay.style.position = "absolute";
paddedOverlay.style.left = "0";
paddedOverlay.style.right = "0";
paddedOverlay.style.top = "0";
paddedOverlay.style.bottom = "0";
paddedOverlay.style.margin = CUE_BACKGROUND_PADDING;
overlay.appendChild(paddedOverlay);
// Determine if we need to compute the display states of the cues. This could
// be the case if a cue's state has been changed since the last computation or
// if it has not been computed yet.
function shouldCompute(cues) {
for (var i = 0; i < cues.length; i++) {
if (cues[i].hasBeenReset || !cues[i].displayState) {
return true;
}
}
return false;
}
// We don't need to recompute the cues' display states. Just reuse them.
if (!shouldCompute(cues)) {
for (var i = 0; i < cues.length; i++) {
paddedOverlay.appendChild(cues[i].displayState);
}
return;
}
var boxPositions = [],
containerBox = BoxPosition.getSimpleBoxPosition(paddedOverlay),
fontSize = Math.round(containerBox.height * FONT_SIZE_PERCENT * 100) / 100;
var styleOptions = {
font: fontSize + "px " + FONT_STYLE
};
(function() {
var styleBox, cue;
for (var i = 0; i < cues.length; i++) {
cue = cues[i];
// Compute the intial position and styles of the cue div.
styleBox = new CueStyleBox(window, cue, styleOptions);
paddedOverlay.appendChild(styleBox.div);
// Move the cue div to it's correct line position.
moveBoxToLinePosition(window, styleBox, containerBox, boxPositions);
// Remember the computed div so that we don't have to recompute it later
// if we don't have too.
cue.displayState = styleBox.div;
boxPositions.push(BoxPosition.getSimpleBoxPosition(styleBox));
}
})();
};
WebVTT$1.Parser = function(window, vttjs, decoder) {
if (!decoder) {
decoder = vttjs;
vttjs = {};
}
if (!vttjs) {
vttjs = {};
}
this.window = window;
this.vttjs = vttjs;
this.state = "INITIAL";
this.buffer = "";
this.decoder = decoder || new TextDecoder("utf8");
this.regionList = [];
};
WebVTT$1.Parser.prototype = {
// If the error is a ParsingError then report it to the consumer if
// possible. If it's not a ParsingError then throw it like normal.
reportOrThrowError: function(e) {
if (e instanceof ParsingError) {
this.onparsingerror && this.onparsingerror(e);
} else {
throw e;
}
},
parse: function (data) {
var self = this;
// If there is no data then we won't decode it, but will just try to parse
// whatever is in buffer already. This may occur in circumstances, for
// example when flush() is called.
if (data) {
// Try to decode the data that we received.
self.buffer += self.decoder.decode(data, {stream: true});
}
function collectNextLine() {
var buffer = self.buffer;
var pos = 0;
while (pos < buffer.length && buffer[pos] !== '\r' && buffer[pos] !== '\n') {
++pos;
}
var line = buffer.substr(0, pos);
// Advance the buffer early in case we fail below.
if (buffer[pos] === '\r') {
++pos;
}
if (buffer[pos] === '\n') {
++pos;
}
self.buffer = buffer.substr(pos);
return line;
}
// 3.4 WebVTT region and WebVTT region settings syntax
function parseRegion(input) {
var settings = new Settings();
parseOptions(input, function (k, v) {
switch (k) {
case "id":
settings.set(k, v);
break;
case "width":
settings.percent(k, v);
break;
case "lines":
settings.integer(k, v);
break;
case "regionanchor":
case "viewportanchor":
var xy = v.split(',');
if (xy.length !== 2) {
break;
}
// We have to make sure both x and y parse, so use a temporary
// settings object here.
var anchor = new Settings();
anchor.percent("x", xy[0]);
anchor.percent("y", xy[1]);
if (!anchor.has("x") || !anchor.has("y")) {
break;
}
settings.set(k + "X", anchor.get("x"));
settings.set(k + "Y", anchor.get("y"));
break;
case "scroll":
settings.alt(k, v, ["up"]);
break;
}
}, /=/, /\s/);
// Create the region, using default values for any values that were not
// specified.
if (settings.has("id")) {
var region = new (self.vttjs.VTTRegion || self.window.VTTRegion)();
region.width = settings.get("width", 100);
region.lines = settings.get("lines", 3);
region.regionAnchorX = settings.get("regionanchorX", 0);
region.regionAnchorY = settings.get("regionanchorY", 100);
region.viewportAnchorX = settings.get("viewportanchorX", 0);
region.viewportAnchorY = settings.get("viewportanchorY", 100);
region.scroll = settings.get("scroll", "");
// Register the region.
self.onregion && self.onregion(region);
// Remember the VTTRegion for later in case we parse any VTTCues that
// reference it.
self.regionList.push({
id: settings.get("id"),
region: region
});
}
}
// draft-pantos-http-live-streaming-20
// https://tools.ietf.org/html/draft-pantos-http-live-streaming-20#section-3.5
// 3.5 WebVTT
function parseTimestampMap(input) {
var settings = new Settings();
parseOptions(input, function(k, v) {
switch(k) {
case "MPEGT":
settings.integer(k + 'S', v);
break;
case "LOCA":
settings.set(k + 'L', parseTimeStamp(v));
break;
}
}, /[^\d]:/, /,/);
self.ontimestampmap && self.ontimestampmap({
"MPEGTS": settings.get("MPEGTS"),
"LOCAL": settings.get("LOCAL")
});
}
// 3.2 WebVTT metadata header syntax
function parseHeader(input) {
if (input.match(/X-TIMESTAMP-MAP/)) {
// This line contains HLS X-TIMESTAMP-MAP metadata
parseOptions(input, function(k, v) {
switch(k) {
case "X-TIMESTAMP-MAP":
parseTimestampMap(v);
break;
}
}, /=/);
} else {
parseOptions(input, function (k, v) {
switch (k) {
case "Region":
// 3.3 WebVTT region metadata header syntax
parseRegion(v);
break;
}
}, /:/);
}
}
// 5.1 WebVTT file parsing.
try {
var line;
if (self.state === "INITIAL") {
// We can't start parsing until we have the first line.
if (!/\r\n|\n/.test(self.buffer)) {
return this;
}
line = collectNextLine();
var m = line.match(/^WEBVTT([ \t].*)?$/);
if (!m || !m[0]) {
throw new ParsingError(ParsingError.Errors.BadSignature);
}
self.state = "HEADER";
}
var alreadyCollectedLine = false;
while (self.buffer) {
// We can't parse a line until we have the full line.
if (!/\r\n|\n/.test(self.buffer)) {
return this;
}
if (!alreadyCollectedLine) {
line = collectNextLine();
} else {
alreadyCollectedLine = false;
}
switch (self.state) {
case "HEADER":
// 13-18 - Allow a header (metadata) under the WEBVTT line.
if (/:/.test(line)) {
parseHeader(line);
} else if (!line) {
// An empty line terminates the header and starts the body (cues).
self.state = "ID";
}
continue;
case "NOTE":
// Ignore NOTE blocks.
if (!line) {
self.state = "ID";
}
continue;
case "ID":
// Check for the start of NOTE blocks.
if (/^NOTE($|[ \t])/.test(line)) {
self.state = "NOTE";
break;
}
// 19-29 - Allow any number of line terminators, then initialize new cue values.
if (!line) {
continue;
}
self.cue = new (self.vttjs.VTTCue || self.window.VTTCue)(0, 0, "");
self.state = "CUE";
// 30-39 - Check if self line contains an optional identifier or timing data.
if (line.indexOf("-->") === -1) {
self.cue.id = line;
continue;
}
// Process line as start of a cue.
/*falls through*/
case "CUE":
// 40 - Collect cue timings and settings.
try {
parseCue(line, self.cue, self.regionList);
} catch (e) {
self.reportOrThrowError(e);
// In case of an error ignore rest of the cue.
self.cue = null;
self.state = "BADCUE";
continue;
}
self.state = "CUETEXT";
continue;
case "CUETEXT":
var hasSubstring = line.indexOf("-->") !== -1;
// 34 - If we have an empty line then report the cue.
// 35 - If we have the special substring '-->' then report the cue,
// but do not collect the line as we need to process the current
// one as a new cue.
if (!line || hasSubstring && (alreadyCollectedLine = true)) {
// We are done parsing self cue.
self.oncue && self.oncue(self.cue);
self.cue = null;
self.state = "ID";
continue;
}
if (self.cue.text) {
self.cue.text += "\n";
}
self.cue.text += line;
continue;
case "BADCUE": // BADCUE
// 54-62 - Collect and discard the remaining cue.
if (!line) {
self.state = "ID";
}
continue;
}
}
} catch (e) {
self.reportOrThrowError(e);
// If we are currently parsing a cue, report what we have.
if (self.state === "CUETEXT" && self.cue && self.oncue) {
self.oncue(self.cue);
}
self.cue = null;
// Enter BADWEBVTT state if header was not parsed correctly otherwise
// another exception occurred so enter BADCUE state.
self.state = self.state === "INITIAL" ? "BADWEBVTT" : "BADCUE";
}
return this;
},
flush: function () {
var self = this;
try {
// Finish decoding the stream.
self.buffer += self.decoder.decode();
// Synthesize the end of the current cue or region.
if (self.cue || self.state === "HEADER") {
self.buffer += "\n\n";
self.parse();
}
// If we've flushed, parsed, and we're still on the INITIAL state then
// that means we don't have enough of the stream to parse the first
// line.
if (self.state === "INITIAL") {
throw new ParsingError(ParsingError.Errors.BadSignature);
}
} catch(e) {
self.reportOrThrowError(e);
}
self.onflush && self.onflush();
return this;
}
};
var vtt$1 = WebVTT$1;
/**
* Copyright 2013 vtt.js Contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
var autoKeyword = "auto";
var directionSetting = {
"": true,
"lr": true,
"rl": true
};
var alignSetting = {
"start": true,
"middle": true,
"end": true,
"left": true,
"right": true
};
function findDirectionSetting(value) {
if (typeof value !== "string") {
return false;
}
var dir = directionSetting[value.toLowerCase()];
return dir ? value.toLowerCase() : false;
}
function findAlignSetting(value) {
if (typeof value !== "string") {
return false;
}
var align = alignSetting[value.toLowerCase()];
return align ? value.toLowerCase() : false;
}
function extend$1(obj) {
var i = 1;
for (; i < arguments.length; i++) {
var cobj = arguments[i];
for (var p in cobj) {
obj[p] = cobj[p];
}
}
return obj;
}
function VTTCue(startTime, endTime, text) {
var cue = this;
var isIE8 = (/MSIE\s8\.0/).test(navigator.userAgent);
var baseObj = {};
if (isIE8) {
cue = document.createElement('custom');
} else {
baseObj.enumerable = true;
}
/**
* Shim implementation specific properties. These properties are not in
* the spec.
*/
// Lets us know when the VTTCue's data has changed in such a way that we need
// to recompute its display state. This lets us compute its display state
// lazily.
cue.hasBeenReset = false;
/**
* VTTCue and TextTrackCue properties
* http://dev.w3.org/html5/webvtt/#vttcue-interface
*/
var _id = "";
var _pauseOnExit = false;
var _startTime = startTime;
var _endTime = endTime;
var _text = text;
var _region = null;
var _vertical = "";
var _snapToLines = true;
var _line = "auto";
var _lineAlign = "start";
var _position = 50;
var _positionAlign = "middle";
var _size = 50;
var _align = "middle";
Object.defineProperty(cue,
"id", extend$1({}, baseObj, {
get: function() {
return _id;
},
set: function(value) {
_id = "" + value;
}
}));
Object.defineProperty(cue,
"pauseOnExit", extend$1({}, baseObj, {
get: function() {
return _pauseOnExit;
},
set: function(value) {
_pauseOnExit = !!value;
}
}));
Object.defineProperty(cue,
"startTime", extend$1({}, baseObj, {
get: function() {
return _startTime;
},
set: function(value) {
if (typeof value !== "number") {
throw new TypeError("Start time must be set to a number.");
}
_startTime = value;
this.hasBeenReset = true;
}
}));
Object.defineProperty(cue,
"endTime", extend$1({}, baseObj, {
get: function() {
return _endTime;
},
set: function(value) {
if (typeof value !== "number") {
throw new TypeError("End time must be set to a number.");
}
_endTime = value;
this.hasBeenReset = true;
}
}));
Object.defineProperty(cue,
"text", extend$1({}, baseObj, {
get: function() {
return _text;
},
set: function(value) {
_text = "" + value;
this.hasBeenReset = true;
}
}));
Object.defineProperty(cue,
"region", extend$1({}, baseObj, {
get: function() {
return _region;
},
set: function(value) {
_region = value;
this.hasBeenReset = true;
}
}));
Object.defineProperty(cue,
"vertical", extend$1({}, baseObj, {
get: function() {
return _vertical;
},
set: function(value) {
var setting = findDirectionSetting(value);
// Have to check for false because the setting an be an empty string.
if (setting === false) {
throw new SyntaxError("An invalid or illegal string was specified.");
}
_vertical = setting;
this.hasBeenReset = true;
}
}));
Object.defineProperty(cue,
"snapToLines", extend$1({}, baseObj, {
get: function() {
return _snapToLines;
},
set: function(value) {
_snapToLines = !!value;
this.hasBeenReset = true;
}
}));
Object.defineProperty(cue,
"line", extend$1({}, baseObj, {
get: function() {
return _line;
},
set: function(value) {
if (typeof value !== "number" && value !== autoKeyword) {
throw new SyntaxError("An invalid number or illegal string was specified.");
}
_line = value;
this.hasBeenReset = true;
}
}));
Object.defineProperty(cue,
"lineAlign", extend$1({}, baseObj, {
get: function() {
return _lineAlign;
},
set: function(value) {
var setting = findAlignSetting(value);
if (!setting) {
throw new SyntaxError("An invalid or illegal string was specified.");
}
_lineAlign = setting;
this.hasBeenReset = true;
}
}));
Object.defineProperty(cue,
"position", extend$1({}, baseObj, {
get: function() {
return _position;
},
set: function(value) {
if (value < 0 || value > 100) {
throw new Error("Position must be between 0 and 100.");
}
_position = value;
this.hasBeenReset = true;
}
}));
Object.defineProperty(cue,
"positionAlign", extend$1({}, baseObj, {
get: function() {
return _positionAlign;
},
set: function(value) {
var setting = findAlignSetting(value);
if (!setting) {
throw new SyntaxError("An invalid or illegal string was specified.");
}
_positionAlign = setting;
this.hasBeenReset = true;
}
}));
Object.defineProperty(cue,
"size", extend$1({}, baseObj, {
get: function() {
return _size;
},
set: function(value) {
if (value < 0 || value > 100) {
throw new Error("Size must be between 0 and 100.");
}
_size = value;
this.hasBeenReset = true;
}
}));
Object.defineProperty(cue,
"align", extend$1({}, baseObj, {
get: function() {
return _align;
},
set: function(value) {
var setting = findAlignSetting(value);
if (!setting) {
throw new SyntaxError("An invalid or illegal string was specified.");
}
_align = setting;
this.hasBeenReset = true;
}
}));
/**
* Other
').on('load', onLoad);
$('
').on('load', onLoad);
$('
').on('load', onLoad);
$('
').on('load', onLoad);
}
/**
* Vide constructor
* @param {HTMLElement} element
* @param {Object|String} path
* @param {Object|String} options
* @constructor
*/
function Vide(element, path, options) {
this.$element = $(element);
// Parse path
if (typeof path === 'string') {
path = parseOptions(path);
}
// Parse options
if (!options) {
options = {};
} else if (typeof options === 'string') {
options = parseOptions(options);
}
// Remove an extension
if (typeof path === 'string') {
path = path.replace(/\.\w*$/, '');
} else if (typeof path === 'object') {
for (var i in path) {
if (path.hasOwnProperty(i)) {
path[i] = path[i].replace(/\.\w*$/, '');
}
}
}
this.settings = $.extend({}, DEFAULTS, options);
this.path = path;
// https://github.com/VodkaBears/Vide/issues/110
try {
this.init();
} catch (e) {
if (e.message !== NOT_IMPLEMENTED_MSG) {
throw e;
}
}
}
/**
* Initialization
* @public
*/
Vide.prototype.init = function() {
var vide = this;
var path = vide.path;
var poster = path;
var sources = '';
var $element = vide.$element;
var settings = vide.settings;
var position = parsePosition(settings.position);
var posterType = settings.posterType;
var $video;
var $wrapper;
// Set styles of a video wrapper
$wrapper = vide.$wrapper = $('') .addClass(settings.className) .css({ position: 'absolute', 'z-index': -1, top: 0, left: 0, bottom: 0, right: 0, overflow: 'hidden', '-webkit-background-size': 'cover', '-moz-background-size': 'cover', '-o-background-size': 'cover', 'background-size': 'cover', 'background-color': settings.bgColor, 'background-repeat': 'no-repeat', 'background-position': position.x + ' ' + position.y }); // Get a poster path if (typeof path === 'object') { if (path.poster) { poster = path.poster; } else { if (path.mp4) { poster = path.mp4; } else if (path.webm) { poster = path.webm; } else if (path.ogv) { poster = path.ogv; } } } // Set a video poster if (posterType === 'detect') { findPoster(poster, function(url) { $wrapper.css('background-image', 'url(' + url + ')'); }); } else if (posterType !== 'none') { $wrapper.css('background-image', 'url(' + poster + '.' + posterType + ')'); } // If a parent element has a static position, make it relative if ($element.css('position') === 'static') { $element.css('position', 'relative'); } $element.prepend($wrapper); if (typeof path === 'object') { if (path.mp4) { sources += '