plyr/src/js/plyr.js

3438 lines
122 KiB
JavaScript

// ==========================================================================
// Plyr
// plyr.js v1.8.0
// https://github.com/selz/plyr
// License: The MIT License (MIT)
// ==========================================================================
// Credits: http://paypal.github.io/accessible-html5-video-player/
// ==========================================================================
;(function(root, factory) {
'use strict';
/*global define,module*/
if (typeof module === 'object' && typeof module.exports === 'object') {
// Node, CommonJS-like
module.exports = factory(root, document);
} else if (typeof define === 'function' && define.amd) {
// AMD
define(null, function() { factory(root, document) });
} else {
// Browser globals (root is window)
root.plyr = factory(root, document);
}
}(typeof window !== 'undefined' ? window : this, function(window, document) {
'use strict';
/*global YT,$f*/
// Globals
var fullscreen,
scroll = { x: 0, y: 0 },
// Default config
defaults = {
enabled: true,
debug: false,
autoplay: false,
loop: false,
seekTime: 10,
volume: 5,
volumeMin: 0,
volumeMax: 10,
volumeStep: 1,
duration: null,
displayDuration: true,
loadSprite: true,
iconPrefix: 'plyr',
iconUrl: 'https://cdn.plyr.io/1.8.0/plyr.svg',
clickToPlay: true,
hideControls: true,
showPosterOnEnd: false,
disableContextMenu: true,
tooltips: {
controls: false,
seek: true
},
selectors: {
html5: 'video, audio',
embed: '[data-type]',
container: '.plyr',
controls: {
container: null,
wrapper: '.plyr__controls'
},
labels: '[data-plyr]',
buttons: {
seek: '[data-plyr="seek"]',
play: '[data-plyr="play"]',
pause: '[data-plyr="pause"]',
restart: '[data-plyr="restart"]',
rewind: '[data-plyr="rewind"]',
forward: '[data-plyr="fast-forward"]',
mute: '[data-plyr="mute"]',
captions: '[data-plyr="captions"]',
fullscreen: '[data-plyr="fullscreen"]'
},
volume: {
input: '[data-plyr="volume"]',
display: '.plyr__volume--display'
},
progress: {
container: '.plyr__progress',
buffer: '.plyr__progress--buffer',
played: '.plyr__progress--played'
},
captions: '.plyr__captions',
currentTime: '.plyr__time--current',
duration: '.plyr__time--duration'
},
classes: {
videoWrapper: 'plyr__video-wrapper',
embedWrapper: 'plyr__video-embed',
type: 'plyr--{0}',
stopped: 'plyr--stopped',
playing: 'plyr--playing',
muted: 'plyr--muted',
loading: 'plyr--loading',
hover: 'plyr--hover',
tooltip: 'plyr__tooltip',
hidden: 'plyr__sr-only',
hideControls: 'plyr--hide-controls',
isIos: 'plyr--is-ios',
isTouch: 'plyr--is-touch',
captions: {
enabled: 'plyr--captions-enabled',
active: 'plyr--captions-active'
},
fullscreen: {
enabled: 'plyr--fullscreen-enabled',
active: 'plyr--fullscreen-active'
},
tabFocus: 'tab-focus'
},
captions: {
defaultActive: false
},
fullscreen: {
enabled: true,
fallback: true,
allowAudio: false
},
storage: {
enabled: true,
key: 'plyr'
},
controls: ['play-large', 'play', 'progress', 'current-time', 'mute', 'volume', 'captions', 'fullscreen'],
i18n: {
restart: 'Restart',
rewind: 'Rewind {seektime} secs',
play: 'Play',
pause: 'Pause',
forward: 'Forward {seektime} secs',
played: 'played',
buffered: 'buffered',
currentTime: 'Current time',
duration: 'Duration',
volume: 'Volume',
toggleMute: 'Toggle Mute',
toggleCaptions: 'Toggle Captions',
toggleFullscreen: 'Toggle Fullscreen',
frameTitle: 'Player for {title}'
},
types: {
embed: ['youtube', 'vimeo', 'soundcloud'],
html5: ['video', 'audio']
},
// URLs
urls: {
vimeo: {
api: 'https://cdn.plyr.io/froogaloop/1.0.1/plyr.froogaloop.js',
},
youtube: {
api: 'https://www.youtube.com/iframe_api'
},
soundcloud: {
api: 'https://w.soundcloud.com/player/api.js'
}
},
// Custom control listeners
listeners: {
seek: null,
play: null,
pause: null,
restart: null,
rewind: null,
forward: null,
mute: null,
volume: null,
captions: null,
fullscreen: null
},
// Events to watch on HTML5 media elements
events: ['ended', 'progress', 'stalled', 'playing', 'waiting', 'canplay', 'canplaythrough', 'loadstart', 'loadeddata', 'loadedmetadata', 'timeupdate', 'volumechange', 'play', 'pause', 'error', 'seeking', 'emptied']
};
// Credits: http://paypal.github.io/accessible-html5-video-player/
// Unfortunately, due to mixed support, UA sniffing is required
function _browserSniff() {
var ua = navigator.userAgent,
name = navigator.appName,
fullVersion = '' + parseFloat(navigator.appVersion),
majorVersion = parseInt(navigator.appVersion, 10),
nameOffset,
verOffset,
ix,
isIE = false,
isFirefox = false,
isChrome = false,
isSafari = false;
// MSIE 11
if ((navigator.appVersion.indexOf('Windows NT') !== -1) && (navigator.appVersion.indexOf('rv:11') !== -1)) {
isIE = true;
fullVersion = '11;';
}
// MSIE
else if ((verOffset = ua.indexOf('MSIE')) !== -1) {
isIE = true;
fullVersion = ua.substring(verOffset + 5);
}
// Chrome
else if ((verOffset = ua.indexOf('Chrome')) !== -1) {
isChrome = true;
fullVersion = ua.substring(verOffset + 7);
}
// Safari
else if ((verOffset = ua.indexOf('Safari')) !== -1) {
isSafari = true;
fullVersion = ua.substring(verOffset + 7);
if ((verOffset = ua.indexOf('Version')) !== -1) {
fullVersion = ua.substring(verOffset + 8);
}
}
// Firefox
else if ((verOffset = ua.indexOf('Firefox')) !== -1) {
isFirefox = true;
fullVersion = ua.substring(verOffset + 8);
}
// In most other browsers, 'name/version' is at the end of userAgent
else if ((nameOffset = ua.lastIndexOf(' ') + 1) < (verOffset = ua.lastIndexOf('/'))) {
name = ua.substring(nameOffset,verOffset);
fullVersion = ua.substring(verOffset + 1);
if (name.toLowerCase() == name.toUpperCase()) {
name = navigator.appName;
}
}
// Trim the fullVersion string at semicolon/space if present
if ((ix = fullVersion.indexOf(';')) !== -1) {
fullVersion = fullVersion.substring(0, ix);
}
if ((ix = fullVersion.indexOf(' ')) !== -1) {
fullVersion = fullVersion.substring(0, ix);
}
// Get major version
majorVersion = parseInt('' + fullVersion, 10);
if (isNaN(majorVersion)) {
fullVersion = '' + parseFloat(navigator.appVersion);
majorVersion = parseInt(navigator.appVersion, 10);
}
// Return data
return {
name: name,
version: majorVersion,
isIE: isIE,
isFirefox: isFirefox,
isChrome: isChrome,
isSafari: isSafari,
ios: /(iPad|iPhone|iPod)/g.test(navigator.platform),
touch: 'ontouchstart' in document.documentElement
};
}
// Check for mime type support against a player instance
// Credits: http://diveintohtml5.info/everything.html
// Related: http://www.leanbackplyr.com/test/h5mt.html
function _supportMime(plyr, mimeType) {
var media = plyr.media;
// Only check video types for video players
if (plyr.type == 'video') {
// Check type
switch (mimeType) {
case 'video/webm': return !!(media.canPlayType && media.canPlayType('video/webm; codecs="vp8, vorbis"').replace(/no/, ''));
case 'video/mp4': return !!(media.canPlayType && media.canPlayType('video/mp4; codecs="avc1.42E01E, mp4a.40.2"').replace(/no/, ''));
case 'video/ogg': return !!(media.canPlayType && media.canPlayType('video/ogg; codecs="theora"').replace(/no/, ''));
}
}
// Only check audio types for audio players
else if (plyr.type == 'audio') {
// Check type
switch (mimeType) {
case 'audio/mpeg': return !!(media.canPlayType && media.canPlayType('audio/mpeg;').replace(/no/, ''));
case 'audio/ogg': return !!(media.canPlayType && media.canPlayType('audio/ogg; codecs="vorbis"').replace(/no/, ''));
case 'audio/wav': return !!(media.canPlayType && media.canPlayType('audio/wav; codecs="1"').replace(/no/, ''));
}
}
// If we got this far, we're stuffed
return false;
}
// Inject a script
function _injectScript(source) {
if (document.querySelectorAll('script[src="' + source + '"]').length) {
return;
}
var tag = document.createElement('script');
tag.src = source;
var firstScriptTag = document.getElementsByTagName('script')[0];
firstScriptTag.parentNode.insertBefore(tag, firstScriptTag);
}
// Element exists in an array
function _inArray(haystack, needle) {
return Array.prototype.indexOf && (haystack.indexOf(needle) != -1);
}
// Replace all
function _replaceAll(string, find, replace) {
return string.replace(new RegExp(find.replace(/([.*+?\^=!:${}()|\[\]\/\\])/g, '\\$1'), 'g'), replace);
}
// Wrap an element
function _wrap(elements, wrapper) {
// Convert `elements` to an array, if necessary.
if (!elements.length) {
elements = [elements];
}
// Loops backwards to prevent having to clone the wrapper on the
// first element (see `child` below).
for (var i = elements.length - 1; i >= 0; i--) {
var child = (i > 0) ? wrapper.cloneNode(true) : wrapper;
var element = elements[i];
// Cache the current parent and sibling.
var parent = element.parentNode;
var sibling = element.nextSibling;
// Wrap the element (is automatically removed from its current
// parent).
child.appendChild(element);
// If the element had a sibling, insert the wrapper before
// the sibling to maintain the HTML structure; otherwise, just
// append it to the parent.
if (sibling) {
parent.insertBefore(child, sibling);
}
else {
parent.appendChild(child);
}
return child;
}
}
// Unwrap an element
// http://plainjs.com/javascript/manipulation/unwrap-a-dom-element-35/
function _unwrap(wrapper) {
// Get the element's parent node
var parent = wrapper.parentNode;
// Move all children out of the element
while (wrapper.firstChild) {
parent.insertBefore(wrapper.firstChild, wrapper);
}
// Remove the empty element
parent.removeChild(wrapper);
}
// Remove an element
function _remove(element) {
if (!element) {
return;
}
element.parentNode.removeChild(element);
}
// Prepend child
function _prependChild(parent, element) {
parent.insertBefore(element, parent.firstChild);
}
// Set attributes
function _setAttributes(element, attributes) {
for (var key in attributes) {
element.setAttribute(key, (typeof attributes[key] === 'boolean' && attributes[key]) ? '' : attributes[key]);
}
}
// Insert a HTML element
function _insertElement(type, parent, attributes) {
// Create a new <element>
var element = document.createElement(type);
// Set all passed attributes
_setAttributes(element, attributes);
// Inject the new element
_prependChild(parent, element);
}
// Get a classname from selector
function _getClassname(selector) {
return selector.replace('.', '');
}
// Toggle class on an element
function _toggleClass(element, className, state) {
if (element) {
if (element.classList) {
element.classList[state ? 'add' : 'remove'](className);
}
else {
var name = (' ' + element.className + ' ').replace(/\s+/g, ' ').replace(' ' + className + ' ', '');
element.className = name + (state ? ' ' + className : '');
}
}
}
// Has class name
function _hasClass(element, className) {
if (element) {
if (element.classList) {
return element.classList.contains(className);
}
else {
return new RegExp('(\\s|^)' + className + '(\\s|$)').test(element.className);
}
}
return false;
}
// Element matches selector
function _matches(element, selector) {
var p = Element.prototype;
var f = p.matches || p.webkitMatchesSelector || p.mozMatchesSelector || p.msMatchesSelector || function(s) {
return [].indexOf.call(document.querySelectorAll(s), this) !== -1;
};
return f.call(element, selector);
}
// Bind event
function _on(element, events, callback, useCapture) {
if (element) {
_toggleListener(element, events, callback, true, useCapture);
}
}
// Unbind event
function _off(element, events, callback, useCapture) {
if (element) {
_toggleListener(element, events, callback, false, useCapture);
}
}
// Bind along with custom handler
function _proxyListener(element, eventName, userListener, defaultListener, useCapture) {
_on(element, eventName, function(event) {
if (userListener) {
userListener.apply(element, [event]);
}
defaultListener.apply(element, [event]);
}, useCapture);
}
// Toggle event listener
function _toggleListener(element, events, callback, toggle, useCapture) {
var eventList = events.split(' ');
// Whether the listener is a capturing listener or not
// Default to false
if (typeof useCapture !== 'boolean') {
useCapture = false;
}
// If a nodelist is passed, call itself on each node
if (element instanceof NodeList) {
for (var x = 0; x < element.length; x++) {
if (element[x] instanceof Node) {
_toggleListener(element[x], arguments[1], arguments[2], arguments[3]);
}
}
return;
}
// If a single node is passed, bind the event listener
for (var i = 0; i < eventList.length; i++) {
element[toggle ? 'addEventListener' : 'removeEventListener'](eventList[i], callback, useCapture);
}
}
// Trigger event
function _triggerEvent(element, eventName, bubbles, properties) {
// Bail if no element
if (!element || !eventName) {
return;
}
// Default bubbles to false
if (typeof bubbles !== 'boolean') {
bubbles = false;
}
// Create and dispatch the event
var event = new CustomEvent(eventName, {
bubbles: bubbles,
detail: properties
});
// Dispatch the event
element.dispatchEvent(event);
}
// Toggle aria-pressed state on a toggle button
// http://www.ssbbartgroup.com/blog/how-not-to-misuse-aria-states-properties-and-roles
function _toggleState(target, state) {
// Bail if no target
if (!target) {
return;
}
// Get state
state = (typeof state === 'boolean' ? state : !target.getAttribute('aria-pressed'));
// Set the attribute on target
target.setAttribute('aria-pressed', state);
return state;
}
// Get percentage
function _getPercentage(current, max) {
if (current === 0 || max === 0 || isNaN(current) || isNaN(max)) {
return 0;
}
return ((current / max) * 100).toFixed(2);
}
// Deep extend/merge destination object with N more objects
// http://andrewdupont.net/2009/08/28/deep-extending-objects-in-javascript/
// Removed call to arguments.callee (used explicit function name instead)
function _extend() {
// Get arguments
var objects = arguments;
// Bail if nothing to merge
if (!objects.length) {
return;
}
// Return first if specified but nothing to merge
if (objects.lenth == 1) {
return objects[0];
}
// First object is the destination
var destination = Array.prototype.shift.call(objects),
length = objects.length;
// Loop through all objects to merge
for (var i = 0; i < length; i++) {
var source = objects[i];
for (var property in source) {
if (source[property] && source[property].constructor && source[property].constructor === Object) {
destination[property] = destination[property] || {};
_extend(destination[property], source[property]);
}
else {
destination[property] = source[property];
}
}
}
return destination;
}
// Fullscreen API
function _fullscreen() {
var fullscreen = {
supportsFullScreen: false,
isFullScreen: function() { return false; },
requestFullScreen: function() {},
cancelFullScreen: function() {},
fullScreenEventName: '',
element: null,
prefix: ''
},
browserPrefixes = 'webkit moz o ms khtml'.split(' ');
// Check for native support
if (typeof document.cancelFullScreen !== 'undefined') {
fullscreen.supportsFullScreen = true;
}
else {
// Check for fullscreen support by vendor prefix
for (var i = 0, il = browserPrefixes.length; i < il; i++ ) {
fullscreen.prefix = browserPrefixes[i];
if (typeof document[fullscreen.prefix + 'CancelFullScreen'] !== 'undefined') {
fullscreen.supportsFullScreen = true;
break;
}
// Special case for MS (when isn't it?)
else if (typeof document.msExitFullscreen !== 'undefined' && document.msFullscreenEnabled) {
fullscreen.prefix = 'ms';
fullscreen.supportsFullScreen = true;
break;
}
}
}
// Update methods to do something useful
if (fullscreen.supportsFullScreen) {
// Yet again Microsoft awesomeness,
// Sometimes the prefix is 'ms', sometimes 'MS' to keep you on your toes
fullscreen.fullScreenEventName = (fullscreen.prefix == 'ms' ? 'MSFullscreenChange' : fullscreen.prefix + 'fullscreenchange');
fullscreen.isFullScreen = function(element) {
if (typeof element === 'undefined') {
element = document.body;
}
switch (this.prefix) {
case '':
return document.fullscreenElement == element;
case 'moz':
return document.mozFullScreenElement == element;
default:
return document[this.prefix + 'FullscreenElement'] == element;
}
};
fullscreen.requestFullScreen = function(element) {
if (typeof element === 'undefined') {
element = document.body;
}
return (this.prefix === '') ? element.requestFullScreen() : element[this.prefix + (this.prefix == 'ms' ? 'RequestFullscreen' : 'RequestFullScreen')]();
};
fullscreen.cancelFullScreen = function() {
return (this.prefix === '') ? document.cancelFullScreen() : document[this.prefix + (this.prefix == 'ms' ? 'ExitFullscreen' : 'CancelFullScreen')]();
};
fullscreen.element = function() {
return (this.prefix === '') ? document.fullscreenElement : document[this.prefix + 'FullscreenElement'];
};
}
return fullscreen;
}
// Local storage
function _storage() {
var storage = {
supported: (function() {
if (!('localStorage' in window)) {
return false;
}
// Try to use it (it might be disabled, e.g. user is in private/porn mode)
// see: https://github.com/Selz/plyr/issues/131
try {
// Add test item
window.localStorage.setItem('___test', 'OK');
// Get the test item
var result = window.localStorage.getItem('___test');
// Clean up
window.localStorage.removeItem('___test');
// Check if value matches
return (result === 'OK');
}
catch (e) {
return false;
}
return false;
})()
};
return storage;
}
// Player instance
function Plyr(container, config) {
var plyr = this;
plyr.container = container;
plyr.timers = {};
// Log config options
_log(config);
// Debugging
function _log(text, warn) {
if (config.debug && window.console) {
console[(warn ? 'warn' : 'log')](text);
}
}
// Get icon URL
function _getIconUrl() {
return {
url: config.iconUrl,
external: (config.iconUrl.indexOf("http") === 0)
};
}
// Build the default HTML
function _buildControls() {
// Create html array
var html = [],
iconUrl = _getIconUrl(),
iconPath = (!iconUrl.external ? iconUrl.url : '') + '#' + config.iconPrefix;
// Larger overlaid play button
if (_inArray(config.controls, 'play-large')) {
html.push(
'<button type="button" data-plyr="play" class="plyr__play-large">',
'<svg><use xlink:href="' + iconPath + '-play" /></svg>',
'<span class="plyr__sr-only">' + config.i18n.play + '</span>',
'</button>'
);
}
html.push('<div class="plyr__controls">');
// Restart button
if (_inArray(config.controls, 'restart')) {
html.push(
'<button type="button" data-plyr="restart">',
'<svg><use xlink:href="' + iconPath + '-restart" /></svg>',
'<span class="plyr__sr-only">' + config.i18n.restart + '</span>',
'</button>'
);
}
// Rewind button
if (_inArray(config.controls, 'rewind')) {
html.push(
'<button type="button" data-plyr="rewind">',
'<svg><use xlink:href="' + iconPath + '-rewind" /></svg>',
'<span class="plyr__sr-only">' + config.i18n.rewind + '</span>',
'</button>'
);
}
// Play Pause button
// TODO: This should be a toggle button really?
if (_inArray(config.controls, 'play')) {
html.push(
'<button type="button" data-plyr="play">',
'<svg><use xlink:href="' + iconPath + '-play" /></svg>',
'<span class="plyr__sr-only">' + config.i18n.play + '</span>',
'</button>',
'<button type="button" data-plyr="pause">',
'<svg><use xlink:href="' + iconPath + '-pause" /></svg>',
'<span class="plyr__sr-only">' + config.i18n.pause + '</span>',
'</button>'
);
}
// Fast forward button
if (_inArray(config.controls, 'fast-forward')) {
html.push(
'<button type="button" data-plyr="fast-forward">',
'<svg><use xlink:href="' + iconPath + '-fast-forward" /></svg>',
'<span class="plyr__sr-only">' + config.i18n.forward + '</span>',
'</button>'
);
}
// Progress
if (_inArray(config.controls, 'progress')) {
// Create progress
html.push('<span class="plyr__progress">',
'<label for="seek{id}" class="plyr__sr-only">Seek</label>',
'<input id="seek{id}" class="plyr__progress--seek" type="range" min="0" max="100" step="0.1" value="0" data-plyr="seek">',
'<progress class="plyr__progress--played" max="100" value="0" role="presentation"></progress>',
'<progress class="plyr__progress--buffer" max="100" value="0">',
'<span>0</span>% ' + config.i18n.buffered,
'</progress>');
// Seek tooltip
if (config.tooltips.seek) {
html.push('<span class="plyr__tooltip">00:00</span>');
}
// Close
html.push('</span>');
}
// Media current time display
if (_inArray(config.controls, 'current-time')) {
html.push(
'<span class="plyr__time">',
'<span class="plyr__sr-only">' + config.i18n.currentTime + '</span>',
'<span class="plyr__time--current">00:00</span>',
'</span>'
);
}
// Media duration display
if (_inArray(config.controls, 'duration')) {
html.push(
'<span class="plyr__time">',
'<span class="plyr__sr-only">' + config.i18n.duration + '</span>',
'<span class="plyr__time--duration">00:00</span>',
'</span>'
);
}
// Toggle mute button
if (_inArray(config.controls, 'mute')) {
html.push(
'<button type="button" data-plyr="mute">',
'<svg class="icon--muted"><use xlink:href="' + iconPath + '-muted" /></svg>',
'<svg><use xlink:href="' + iconPath + '-volume" /></svg>',
'<span class="plyr__sr-only">' + config.i18n.toggleMute + '</span>',
'</button>'
);
}
// Volume range control
if (_inArray(config.controls, 'volume')) {
html.push(
'<span class="plyr__volume">',
'<label for="volume{id}" class="plyr__sr-only">' + config.i18n.volume + '</label>',
'<input id="volume{id}" class="plyr__volume--input" type="range" min="' + config.volumeMin + '" max="' + config.volumeMax + '" value="' + config.volume + '" data-plyr="volume">',
'<progress class="plyr__volume--display" max="' + config.volumeMax + '" value="' + config.volumeMin + '" role="presentation"></progress>',
'</span>'
);
}
// Toggle captions button
if (_inArray(config.controls, 'captions')) {
html.push(
'<button type="button" data-plyr="captions">',
'<svg class="icon--captions-on"><use xlink:href="' + iconPath + '-captions-on" /></svg>',
'<svg><use xlink:href="' + iconPath+ '-captions-off" /></svg>',
'<span class="plyr__sr-only">' + config.i18n.toggleCaptions + '</span>',
'</button>'
);
}
// Toggle fullscreen button
if (_inArray(config.controls, 'fullscreen')) {
html.push(
'<button type="button" data-plyr="fullscreen">',
'<svg class="icon--exit-fullscreen"><use xlink:href="' + iconPath + '-exit-fullscreen" /></svg>',
'<svg><use xlink:href="' + iconPath + '-enter-fullscreen" /></svg>',
'<span class="plyr__sr-only">' + config.i18n.toggleFullscreen + '</span>',
'</button>'
);
}
// Close everything
html.push('</div>');
return html.join('');
}
// Setup fullscreen
function _setupFullscreen() {
if (!plyr.supported.full) {
return;
}
if ((plyr.type != 'audio' || config.fullscreen.allowAudio) && config.fullscreen.enabled) {
// Check for native support
var nativeSupport = fullscreen.supportsFullScreen;
if (nativeSupport || (config.fullscreen.fallback && !_inFrame())) {
_log((nativeSupport ? 'Native' : 'Fallback') + ' fullscreen enabled');
// Add styling hook
_toggleClass(plyr.container, config.classes.fullscreen.enabled, true);
}
else {
_log('Fullscreen not supported and fallback disabled');
}
// Toggle state
_toggleState(plyr.buttons.fullscreen, false);
// Setup focus trap
_focusTrap();
}
}
// Setup captions
function _setupCaptions() {
if (plyr.type !== 'video') {
return;
}
// Inject the container
if (!_getElement(config.selectors.captions)) {
plyr.videoContainer.insertAdjacentHTML('afterbegin', '<div class="' + _getClassname(config.selectors.captions) + '"></div>');
}
// Determine if HTML5 textTracks is supported
plyr.usingTextTracks = false;
if (plyr.media.textTracks) {
plyr.usingTextTracks = true;
}
// Get URL of caption file if exists
var captionSrc = '',
kind,
children = plyr.media.childNodes;
for (var i = 0; i < children.length; i++) {
if (children[i].nodeName.toLowerCase() === 'track') {
kind = children[i].kind;
if (kind === 'captions' || kind === 'subtitles') {
captionSrc = children[i].getAttribute('src');
}
}
}
// Record if caption file exists or not
plyr.captionExists = true;
if (captionSrc === '') {
plyr.captionExists = false;
_log('No caption track found');
}
else {
_log('Caption track found; URI: ' + captionSrc);
}
// If no caption file exists, hide container for caption text
if (!plyr.captionExists) {
_toggleClass(plyr.container, config.classes.captions.enabled);
}
// If caption file exists, process captions
else {
// Turn off native caption rendering to avoid double captions
// This doesn't seem to work in Safari 7+, so the <track> elements are removed from the dom below
var tracks = plyr.media.textTracks;
for (var x = 0; x < tracks.length; x++) {
tracks[x].mode = 'hidden';
}
// Enable UI
_showCaptions(plyr);
// Disable unsupported browsers than report false positive
// Firefox bug: https://bugzilla.mozilla.org/show_bug.cgi?id=1033144
if ((plyr.browser.isIE && plyr.browser.version >= 10) ||
(plyr.browser.isFirefox && plyr.browser.version >= 31)) {
// Debugging
_log('Detected browser with known TextTrack issues - using manual fallback');
// Set to false so skips to 'manual' captioning
plyr.usingTextTracks = false;
}
// Rendering caption tracks
// Native support required - http://caniuse.com/webvtt
if (plyr.usingTextTracks) {
_log('TextTracks supported');
for (var y = 0; y < tracks.length; y++) {
var track = tracks[y];
if (track.kind === 'captions' || track.kind === 'subtitles') {
_on(track, 'cuechange', function() {
// Display a cue, if there is one
if (this.activeCues[0] && 'text' in this.activeCues[0]) {
_setCaption(this.activeCues[0].getCueAsHTML());
}
else {
_setCaption();
}
});
}
}
}
// Caption tracks not natively supported
else {
_log('TextTracks not supported so rendering captions manually');
// Render captions from array at appropriate time
plyr.currentCaption = '';
plyr.captions = [];
if (captionSrc !== '') {
// Create XMLHttpRequest Object
var xhr = new XMLHttpRequest();
xhr.onreadystatechange = function() {
if (xhr.readyState === 4) {
if (xhr.status === 200) {
var captions = [],
caption,
req = xhr.responseText;
captions = req.split('\n\n');
for (var r = 0; r < captions.length; r++) {
caption = captions[r];
plyr.captions[r] = [];
// Get the parts of the captions
var parts = caption.split('\n'),
index = 0;
// Incase caption numbers are added
if (parts[index].indexOf(":") === -1) {
index = 1;
}
plyr.captions[r] = [parts[index], parts[index + 1]];
}
// Remove first element ('VTT')
plyr.captions.shift();
_log('Successfully loaded the caption file via AJAX');
}
else {
_log('There was a problem loading the caption file via AJAX', true);
}
}
};
xhr.open('get', captionSrc, true);
xhr.send();
}
}
}
}
// Set the current caption
function _setCaption(caption) {
/* jshint unused:false */
var container = _getElement(config.selectors.captions),
content = document.createElement('span');
// Empty the container
container.innerHTML = '';
// Default to empty
if (typeof caption === 'undefined') {
caption = '';
}
// Set the span content
if (typeof caption === 'string') {
content.innerHTML = caption.trim();
}
else {
content.appendChild(caption);
}
// Set new caption text
container.appendChild(content);
// Force redraw (for Safari)
var redraw = container.offsetHeight;
}
// Captions functions
// Seek the manual caption time and update UI
function _seekManualCaptions(time) {
// Utilities for caption time codes
function _timecodeCommon(tc, pos) {
var tcpair = [];
tcpair = tc.split(' --> ');
for(var i = 0; i < tcpair.length; i++) {
// WebVTT allows for extra meta data after the timestamp line
// So get rid of this if it exists
tcpair[i] = tcpair[i].replace(/(\d+:\d+:\d+\.\d+).*/, "$1");
}
return _subTcSecs(tcpair[pos]);
}
function _timecodeMin(tc) {
return _timecodeCommon(tc, 0);
}
function _timecodeMax(tc) {
return _timecodeCommon(tc, 1);
}
function _subTcSecs(tc) {
if (tc === null || tc === undefined) {
return 0;
}
else {
var tc1 = [],
tc2 = [],
seconds;
tc1 = tc.split(',');
tc2 = tc1[0].split(':');
seconds = Math.floor(tc2[0]*60*60) + Math.floor(tc2[1]*60) + Math.floor(tc2[2]);
return seconds;
}
}
// If it's not video, or we're using textTracks, bail.
if (plyr.usingTextTracks || plyr.type !== 'video' || !plyr.supported.full) {
return;
}
// Reset subcount
plyr.subcount = 0;
// Check time is a number, if not use currentTime
// IE has a bug where currentTime doesn't go to 0
// https://twitter.com/Sam_Potts/status/573715746506731521
time = typeof time === 'number' ? time : plyr.media.currentTime;
// If there's no subs available, bail
if (!plyr.captions[plyr.subcount]) {
return;
}
while (_timecodeMax(plyr.captions[plyr.subcount][0]) < time.toFixed(1)) {
plyr.subcount++;
if (plyr.subcount > plyr.captions.length-1) {
plyr.subcount = plyr.captions.length-1;
break;
}
}
// Check if the next caption is in the current time range
if (plyr.media.currentTime.toFixed(1) >= _timecodeMin(plyr.captions[plyr.subcount][0]) &&
plyr.media.currentTime.toFixed(1) <= _timecodeMax(plyr.captions[plyr.subcount][0])) {
plyr.currentCaption = plyr.captions[plyr.subcount][1];
// Render the caption
_setCaption(plyr.currentCaption);
}
else {
_setCaption();
}
}
// Display captions container and button (for initialization)
function _showCaptions() {
// If there's no caption toggle, bail
if (!plyr.buttons.captions) {
return;
}
_toggleClass(plyr.container, config.classes.captions.enabled, true);
if (config.captions.defaultActive) {
_toggleClass(plyr.container, config.classes.captions.active, true);
_toggleState(plyr.buttons.captions, true);
}
}
// Find all elements
function _getElements(selector) {
return plyr.container.querySelectorAll(selector);
}
// Find a single element
function _getElement(selector) {
return _getElements(selector)[0];
}
// Determine if we're in an iframe
function _inFrame() {
try {
return window.self !== window.top;
}
catch (e) {
return true;
}
}
// Trap focus inside container
function _focusTrap() {
var tabbables = _getElements('input:not([disabled]), button:not([disabled])'),
first = tabbables[0],
last = tabbables[tabbables.length - 1];
function _checkFocus(event) {
// If it is TAB
if (event.which === 9 && plyr.isFullscreen) {
// Move focus to first element that can be tabbed if Shift isn't used
if (event.target === last && !event.shiftKey) {
event.preventDefault();
first.focus();
}
// Move focus to last element that can be tabbed if Shift is used
else if (event.target === first && event.shiftKey) {
event.preventDefault();
last.focus();
}
}
}
// Bind the handler
_on(plyr.container, 'keydown', _checkFocus);
}
// Add elements to HTML5 media (source, tracks, etc)
function _insertChildElements(type, attributes) {
if (typeof attributes === 'string') {
_insertElement(type, plyr.media, { src: attributes });
}
else if (attributes.constructor === Array) {
for (var i = attributes.length - 1; i >= 0; i--) {
_insertElement(type, plyr.media, attributes[i]);
}
}
}
// Insert controls
function _injectControls() {
// Sprite
if (config.loadSprite) {
var iconUrl = _getIconUrl(),
isExternal = iconUrl.external;
// Only load external sprite using AJAX
if (isExternal || plyr.browser.isIE) {
_log('AJAX loading external SVG sprite' + (plyr.browser.isIE ? ' (due to IE)' : ''));
loadSprite(iconUrl.url, "sprite-plyr");
}
else {
_log('Sprite will be used as external resource directly');
}
}
// Make a copy of the html
var html = config.html;
// Insert custom video controls
_log('Injecting custom controls');
// If no controls are specified, create default
if (!html) {
html = _buildControls();
}
// Replace seek time instances
html = _replaceAll(html, '{seektime}', config.seekTime);
// Replace all id references with random numbers
html = _replaceAll(html, '{id}', Math.floor(Math.random() * (10000)));
// Controls container
var container;
// Inject to custom location
if (config.selectors.controls.container !== null) {
container = config.selectors.controls.container;
if (typeof selector === 'string') {
container = document.querySelector(container);
}
}
// Inject into the container by default
if (!(container instanceof HTMLElement)) {
container = plyr.container
}
// Inject controls HTML
container.insertAdjacentHTML('beforeend', html);
// Setup tooltips
if (config.tooltips.controls) {
var labels = _getElements([config.selectors.controls.wrapper, ' ', config.selectors.labels, ' .', config.classes.hidden].join(''));
for (var i = labels.length - 1; i >= 0; i--) {
var label = labels[i];
_toggleClass(label, config.classes.hidden, false);
_toggleClass(label, config.classes.tooltip, true);
}
}
}
// Find the UI controls and store references
function _findElements() {
try {
plyr.controls = _getElement(config.selectors.controls.wrapper);
// Buttons
plyr.buttons = {};
plyr.buttons.seek = _getElement(config.selectors.buttons.seek);
plyr.buttons.play = _getElements(config.selectors.buttons.play);
plyr.buttons.pause = _getElement(config.selectors.buttons.pause);
plyr.buttons.restart = _getElement(config.selectors.buttons.restart);
plyr.buttons.rewind = _getElement(config.selectors.buttons.rewind);
plyr.buttons.forward = _getElement(config.selectors.buttons.forward);
plyr.buttons.fullscreen = _getElement(config.selectors.buttons.fullscreen);
// Inputs
plyr.buttons.mute = _getElement(config.selectors.buttons.mute);
plyr.buttons.captions = _getElement(config.selectors.buttons.captions);
// Progress
plyr.progress = {};
plyr.progress.container = _getElement(config.selectors.progress.container);
// Progress - Buffering
plyr.progress.buffer = {};
plyr.progress.buffer.bar = _getElement(config.selectors.progress.buffer);
plyr.progress.buffer.text = plyr.progress.buffer.bar && plyr.progress.buffer.bar.getElementsByTagName('span')[0];
// Progress - Played
plyr.progress.played = _getElement(config.selectors.progress.played);
// Seek tooltip
plyr.progress.tooltip = plyr.progress.container && plyr.progress.container.querySelector('.' + config.classes.tooltip);
// Volume
plyr.volume = {};
plyr.volume.input = _getElement(config.selectors.volume.input);
plyr.volume.display = _getElement(config.selectors.volume.display);
// Timing
plyr.duration = _getElement(config.selectors.duration);
plyr.currentTime = _getElement(config.selectors.currentTime);
plyr.seekTime = _getElements(config.selectors.seekTime);
return true;
}
catch(e) {
_log('It looks like there is a problem with your controls html', true);
// Restore native video controls
_toggleNativeControls(true);
return false;
}
}
// Toggle style hook
function _toggleStyleHook() {
_toggleClass(plyr.container, config.selectors.container.replace('.', ''), plyr.supported.full);
}
// Toggle native controls
function _toggleNativeControls(toggle) {
if (toggle) {
plyr.media.setAttribute('controls', '');
}
else {
plyr.media.removeAttribute('controls');
}
}
// Setup aria attribute for play and iframe title
function _setTitle(iframe) {
// Find the current text
var label = config.i18n.play;
// If there's a media title set, use that for the label
if (typeof(config.title) !== 'undefined' && config.title.length) {
label += ', ' + config.title;
}
// If there's a play button, set label
if (plyr.supported.full && plyr.buttons.play) {
for (var i = plyr.buttons.play.length - 1; i >= 0; i--) {
plyr.buttons.play[i].setAttribute('aria-label', label);
}
}
// Set iframe title
// https://github.com/Selz/plyr/issues/124
if (iframe instanceof HTMLElement) {
iframe.setAttribute('title', config.i18n.frameTitle.replace('{title}', config.title));
}
}
// Setup media
function _setupMedia() {
// If there's no media, bail
if (!plyr.media) {
_log('No audio or video element found', true);
return false;
}
if (plyr.supported.full) {
// Add type class
_toggleClass(plyr.container, config.classes.type.replace('{0}', plyr.type), true);
// Add video class for embeds
// This will require changes if audio embeds are added
if (_inArray(config.types.embed, plyr.type)) {
_toggleClass(plyr.container, config.classes.type.replace('{0}', 'video'), true);
}
// If there's no autoplay attribute, assume the video is stopped and add state class
_toggleClass(plyr.container, config.classes.stopped, config.autoplay);
// Add iOS class
_toggleClass(plyr.container, config.classes.isIos, plyr.browser.ios);
// Add touch class
_toggleClass(plyr.container, config.classes.isTouch, plyr.browser.touch);
// Inject the player wrapper
if (plyr.type === 'video') {
// Create the wrapper div
var wrapper = document.createElement('div');
wrapper.setAttribute('class', config.classes.videoWrapper);
// Wrap the video in a container
_wrap(plyr.media, wrapper);
// Cache the container
plyr.videoContainer = wrapper;
}
}
// Embeds
if (_inArray(config.types.embed, plyr.type)) {
_setupEmbed();
// Clean up
plyr.embedId = null;
}
}
// Setup YouTube/Vimeo
function _setupEmbed() {
var container = document.createElement('div'),
mediaId = plyr.embedId,
id = plyr.type + '-' + Math.floor(Math.random() * (10000));
// Remove old containers
var containers = _getElements('[id^="' + plyr.type + '-"]');
for (var i = containers.length - 1; i >= 0; i--) {
_remove(containers[i]);
}
// Add embed class for responsive
_toggleClass(plyr.media, config.classes.videoWrapper, true);
_toggleClass(plyr.media, config.classes.embedWrapper, true);
// YouTube
if (plyr.type === 'youtube') {
// Create the YouTube container
plyr.media.appendChild(container);
// Set ID
container.setAttribute('id', id);
// Setup API
if (typeof YT === 'object') {
_youTubeReady(mediaId, container);
}
else {
// Load the API
_injectScript(config.urls.youtube.api);
// Setup callback for the API
window.onYouTubeReadyCallbacks = window.onYouTubeReadyCallbacks || [];
// Add to queue
window.onYouTubeReadyCallbacks.push(function() { _youTubeReady(mediaId, container); });
// Set callback to process queue
window.onYouTubeIframeAPIReady = function () {
window.onYouTubeReadyCallbacks.forEach(function(callback) { callback(); });
};
}
}
// Vimeo
else if (plyr.type === 'vimeo') {
// Inject the iframe
var vimeo = document.createElement('iframe');
// Watch for iframe load
vimeo.loaded = false;
_on(vimeo, 'load', function() { vimeo.loaded = true; });
_setAttributes(vimeo, {
'src': 'https://player.vimeo.com/video/' + mediaId + '?player_id=' + id + '&api=1&badge=0&byline=0&portrait=0&title=0',
'id': id,
'allowfullscreen': '',
'frameborder': 0
});
// If full support, we can use custom controls (hiding Vimeos), if not, use Vimeo
if (plyr.supported.full) {
container.appendChild(vimeo);
plyr.media.appendChild(container);
}
else {
plyr.media.appendChild(vimeo);
}
// Load the API if not already
if (!('$f' in window)) {
_injectScript(config.urls.vimeo.api);
}
// Wait for fragaloop load
var vimeoTimer = window.setInterval(function() {
if ('$f' in window && vimeo.loaded) {
window.clearInterval(vimeoTimer);
_vimeoReady.call(vimeo);
}
}, 50);
}
// Soundcloud
else if (plyr.type === 'soundcloud') {
// Inject the iframe
var soundCloud = document.createElement('iframe');
// Watch for iframe load
soundCloud.loaded = false;
_on(soundCloud, 'load', function() { soundCloud.loaded = true; });
_setAttributes(soundCloud, {
'src': 'https://w.soundcloud.com/player/?url=https://api.soundcloud.com/tracks/' + mediaId,
'id': id
});
container.appendChild(soundCloud);
plyr.media.appendChild(container);
// Load the API if not already
if (!window.SC) {
_injectScript(config.urls.soundcloud.api);
}
// Wait for SC load
var soundCloudTimer = window.setInterval(function() {
if (window.SC && soundCloud.loaded) {
window.clearInterval(soundCloudTimer);
_soundcloudReady.call(soundCloud);
}
}, 50);
}
}
// When embeds are ready
function _embedReady() {
// Store reference to API
plyr.container.plyr.embed = plyr.embed;
// Setup the UI
_setupInterface();
// Set title
_setTitle(_getElement('iframe'));
}
// Handle YouTube API ready
function _youTubeReady(videoId, container) {
// Setup timers object
// We have to poll YouTube for updates
if (!('timer' in plyr)) {
plyr.timer = {};
}
// Setup instance
// https://developers.google.com/youtube/iframe_api_reference
plyr.embed = new YT.Player(container.id, {
videoId: videoId,
playerVars: {
autoplay: (config.autoplay ? 1 : 0),
controls: (plyr.supported.full ? 0 : 1),
rel: 0,
showinfo: 0,
iv_load_policy: 3,
cc_load_policy: (config.captions.defaultActive ? 1 : 0),
cc_lang_pref: 'en',
wmode: 'transparent',
modestbranding: 1,
disablekb: 1,
origin: '*' // https://code.google.com/p/gdata-issues/issues/detail?id=5788#c45
},
events: {
'onError': function(event) {
_triggerEvent(plyr.container, 'error', true, {
code: event.data,
embed: event.target
});
},
'onReady': function(event) {
// Get the instance
var instance = event.target;
// Create a faux HTML5 API using the YouTube API
plyr.media.play = function() {
instance.playVideo();
plyr.media.paused = false;
};
plyr.media.pause = function() {
instance.pauseVideo();
plyr.media.paused = true;
};
plyr.media.stop = function() {
instance.stopVideo();
plyr.media.paused = true;
};
plyr.media.duration = instance.getDuration();
plyr.media.paused = true;
plyr.media.currentTime = instance.getCurrentTime();
plyr.media.muted = instance.isMuted();
// Set title
config.title = instance.getVideoData().title;
// Trigger timeupdate
_triggerEvent(plyr.media, 'timeupdate');
// Reset timer
window.clearInterval(plyr.timer.buffering);
// Setup buffering
plyr.timer.buffering = window.setInterval(function() {
// Get loaded % from YouTube
plyr.media.buffered = instance.getVideoLoadedFraction();
// Trigger progress
_triggerEvent(plyr.media, 'progress');
// Bail if we're at 100%
if (plyr.media.buffered === 1) {
window.clearInterval(plyr.timer.buffering);
// Trigger event
_triggerEvent(plyr.media, 'canplaythrough');
}
}, 200);
// Update UI
_embedReady();
// Display duration if available
_displayDuration();
},
'onStateChange': function(event) {
// Get the instance
var instance = event.target;
// Reset timer
window.clearInterval(plyr.timer.playing);
// Handle events
// -1 Unstarted
// 0 Ended
// 1 Playing
// 2 Paused
// 3 Buffering
// 5 Video cued
switch (event.data) {
case 0:
plyr.media.paused = true;
_triggerEvent(plyr.media, 'ended');
break;
case 1:
plyr.media.paused = false;
plyr.media.seeking = false;
_triggerEvent(plyr.media, 'play');
_triggerEvent(plyr.media, 'playing');
// Poll to get playback progress
plyr.timer.playing = window.setInterval(function() {
// Set the current time
plyr.media.currentTime = instance.getCurrentTime();
// Trigger timeupdate
_triggerEvent(plyr.media, 'timeupdate');
}, 100);
break;
case 2:
plyr.media.paused = true;
_triggerEvent(plyr.media, 'pause');
break;
}
_triggerEvent(plyr.container, 'statechange', false, {
code: event.data
});
}
}
});
}
// Vimeo ready
function _vimeoReady() {
/* jshint validthis: true */
plyr.embed = $f(this);
// Setup on ready
plyr.embed.addEvent('ready', function() {
// Create a faux HTML5 API using the Vimeo API
plyr.media.play = function() {
plyr.embed.api('play');
plyr.media.paused = false;
};
plyr.media.pause = function() {
plyr.embed.api('pause');
plyr.media.paused = true;
};
plyr.media.stop = function() {
plyr.embed.api('stop');
plyr.media.paused = true;
};
plyr.media.paused = true;
plyr.media.currentTime = 0;
// Update UI
_embedReady();
plyr.embed.api('getCurrentTime', function (value) {
plyr.media.currentTime = value;
// Trigger timeupdate
_triggerEvent(plyr.media, 'timeupdate');
});
plyr.embed.api('getDuration', function(value) {
plyr.media.duration = value;
// Display duration if available
_displayDuration();
});
plyr.embed.addEvent('play', function() {
plyr.media.paused = false;
_triggerEvent(plyr.media, 'play');
_triggerEvent(plyr.media, 'playing');
});
plyr.embed.addEvent('pause', function() {
plyr.media.paused = true;
_triggerEvent(plyr.media, 'pause');
});
plyr.embed.addEvent('playProgress', function(data) {
plyr.media.seeking = false;
plyr.media.currentTime = data.seconds;
_triggerEvent(plyr.media, 'timeupdate');
});
plyr.embed.addEvent('loadProgress', function(data) {
plyr.media.buffered = data.percent;
_triggerEvent(plyr.media, 'progress');
if (parseInt(data.percent) === 1) {
// Trigger event
_triggerEvent(plyr.media, 'canplaythrough');
}
});
plyr.embed.addEvent('finish', function() {
plyr.media.paused = true;
_triggerEvent(plyr.media, 'ended');
});
// Always seek to 0
// plyr.embed.api('seekTo', 0);
// Autoplay
if (config.autoplay) {
plyr.embed.api('play');
}
});
}
// Soundcloud ready
function _soundcloudReady() {
/* jshint validthis: true */
plyr.embed = window.SC.Widget(this);
// Setup on ready
plyr.embed.bind(window.SC.Widget.Events.READY, function() {
// Create a faux HTML5 API using the Soundcloud API
plyr.media.play = function() {
plyr.embed.play();
plyr.media.paused = false;
};
plyr.media.pause = function() {
plyr.embed.pause();
plyr.media.paused = true;
};
plyr.media.stop = function() {
plyr.embed.seekTo(0);
plyr.embed.pause();
plyr.media.paused = true;
};
plyr.media.paused = true;
plyr.media.currentTime = 0;
// Update UI
_embedReady();
plyr.embed.getPosition(function(value) {
plyr.media.currentTime = value;
// Trigger timeupdate
_triggerEvent(plyr.media, 'timeupdate');
});
plyr.embed.getDuration(function(value) {
plyr.media.duration = value/1000;
// Display duration if available
_displayDuration();
});
plyr.embed.bind(window.SC.Widget.Events.PLAY, function() {
plyr.media.paused = false;
_triggerEvent(plyr.media, 'play');
_triggerEvent(plyr.media, 'playing');
});
plyr.embed.bind(window.SC.Widget.Events.PAUSE, function() {
plyr.media.paused = true;
_triggerEvent(plyr.media, 'pause');
});
plyr.embed.bind(window.SC.Widget.Events.PLAY_PROGRESS, function(data) {
plyr.media.seeking = false;
plyr.media.currentTime = data.currentPosition/1000;
_triggerEvent(plyr.media, 'timeupdate');
});
plyr.embed.bind(window.SC.Widget.Events.LOAD_PROGRESS, function(data) {
plyr.media.buffered = data.loadProgress;
_triggerEvent(plyr.media, 'progress');
if (parseInt(data.loadProgress) === 1) {
// Trigger event
_triggerEvent(plyr.media, 'canplaythrough');
}
});
plyr.embed.bind(window.SC.Widget.Events.FINISH, function() {
plyr.media.paused = true;
_triggerEvent(plyr.media, 'ended');
});
// Autoplay
if (config.autoplay) {
plyr.embed.play();
}
});
}
// Play media
function _play() {
if ('play' in plyr.media) {
plyr.media.play();
}
}
// Pause media
function _pause() {
if ('pause' in plyr.media) {
plyr.media.pause();
}
}
// Toggle playback
function _togglePlay(toggle) {
// Play
if (toggle === true) {
_play();
}
// Pause
else if (toggle === false) {
_pause();
}
// True toggle
else {
plyr.media[plyr.media.paused ? 'play' : 'pause']();
}
}
// Rewind
function _rewind(seekTime) {
// Use default if needed
if (typeof seekTime !== 'number') {
seekTime = config.seekTime;
}
_seek(plyr.media.currentTime - seekTime);
}
// Fast forward
function _forward(seekTime) {
// Use default if needed
if (typeof seekTime !== 'number') {
seekTime = config.seekTime;
}
_seek(plyr.media.currentTime + seekTime);
}
// Seek to time
// The input parameter can be an event or a number
function _seek(input) {
var targetTime = 0,
paused = plyr.media.paused,
duration = _getDuration();
// Explicit position
if (typeof input === 'number') {
targetTime = input;
}
// Event
else if (typeof input === 'object' && (input.type === 'input' || input.type === 'change')) {
// It's the seek slider
// Seek to the selected time
targetTime = ((input.target.value / input.target.max) * duration);
}
// Normalise targetTime
if (targetTime < 0) {
targetTime = 0;
}
else if (targetTime > duration) {
targetTime = duration;
}
// Update seek range and progress
_updateSeekDisplay(targetTime);
// Set the current time
// Try/catch incase the media isn't set and we're calling seek() from source() and IE moans
try {
plyr.media.currentTime = targetTime.toFixed(4);
}
catch(e) {}
// Embeds
if (_inArray(config.types.embed, plyr.type)) {
// YouTube
switch(plyr.type) {
case 'youtube':
plyr.embed.seekTo(targetTime);
break;
case 'vimeo':
// Round to nearest second for vimeo
plyr.embed.api('seekTo', targetTime.toFixed(0));
break;
case 'soundcloud':
plyr.embed.seekTo(targetTime * 1000);
break;
}
if (paused) {
_pause();
}
// Trigger timeupdate for embeds
_triggerEvent(plyr.media, 'timeupdate');
// Set seeking flag
plyr.media.seeking = true;
}
// Logging
_log('Seeking to ' + plyr.media.currentTime + ' seconds');
// Special handling for 'manual' captions
_seekManualCaptions(targetTime);
}
// Get the duration (or custom if set)
function _getDuration() {
// It should be a number, but parse it just incase
var duration = parseInt(config.duration),
// True duration
mediaDuration = 0;
// Only if duration available
if(plyr.media.duration !== null && !isNaN(plyr.media.duration)) {
mediaDuration = plyr.media.duration;
}
// If custom duration is funky, use regular duration
return (isNaN(duration) ? mediaDuration : duration);
}
// Check playing state
function _checkPlaying() {
_toggleClass(plyr.container, config.classes.playing, !plyr.media.paused);
_toggleClass(plyr.container, config.classes.stopped, plyr.media.paused);
_toggleControls(plyr.media.paused);
}
// Save scroll position
function _saveScrollPosition() {
scroll = {
x: window.pageXOffset || 0,
y: window.pageYOffset || 0
};
}
// Restore scroll position
function _restoreScrollPosition() {
window.scrollTo(scroll.x, scroll.y);
}
// Toggle fullscreen
function _toggleFullscreen(event) {
// Check for native support
var nativeSupport = fullscreen.supportsFullScreen;
// If it's a fullscreen change event, it's probably a native close
if (event && event.type === fullscreen.fullScreenEventName) {
plyr.isFullscreen = fullscreen.isFullScreen(plyr.container);
}
// If there's native support, use it
else if (nativeSupport) {
// Request fullscreen
if (!fullscreen.isFullScreen(plyr.container)) {
// Save scroll position
_saveScrollPosition();
// Request full screen
fullscreen.requestFullScreen(plyr.container);
}
// Bail from fullscreen
else {
fullscreen.cancelFullScreen();
}
// Check if we're actually full screen (it could fail)
plyr.isFullscreen = fullscreen.isFullScreen(plyr.container);
}
else {
// Otherwise, it's a simple toggle
plyr.isFullscreen = !plyr.isFullscreen;
// Bind/unbind escape key
if (plyr.isFullscreen) {
_on(document, 'keyup', _handleEscapeFullscreen);
document.body.style.overflow = 'hidden';
}
else {
_off(document, 'keyup', _handleEscapeFullscreen);
document.body.style.overflow = '';
}
}
// Set class hook
_toggleClass(plyr.container, config.classes.fullscreen.active, plyr.isFullscreen);
// Trap focus
if (plyr.isFullscreen) {
plyr.container.setAttribute('tabindex', '-1');
}
else {
plyr.container.removeAttribute('tabindex');
}
// Trap focus
_focusTrap(plyr.isFullscreen);
// Set button state
_toggleState(plyr.buttons.fullscreen, plyr.isFullscreen);
// Trigger an event
_triggerEvent(plyr.container, plyr.isFullscreen ? 'enterfullscreen' : 'exitfullscreen');
// Restore scroll position
if (!plyr.isFullscreen && nativeSupport) {
_restoreScrollPosition();
}
}
// Bail from faux-fullscreen
function _handleEscapeFullscreen(event) {
// If it's a keypress and not escape, bail
if ((event.which || event.charCode || event.keyCode) === 27 && plyr.isFullscreen) {
_toggleFullscreen();
}
}
// Mute
function _toggleMute(muted) {
// If the method is called without parameter, toggle based on current value
if (typeof muted !== 'boolean') {
muted = !plyr.media.muted;
}
// Set button state
_toggleState(plyr.buttons.mute, muted);
// Set mute on the player
plyr.media.muted = muted;
// If volume is 0 after unmuting, set to default
if (plyr.media.volume === 0) {
_setVolume(config.volume);
}
// Embeds
if (_inArray(config.types.embed, plyr.type)) {
// YouTube
switch(plyr.type) {
case 'youtube':
plyr.embed[plyr.media.muted ? 'mute' : 'unMute']();
break;
case 'vimeo':
plyr.embed.api('setVolume', plyr.media.muted ? 0 : parseFloat(config.volume / config.volumeMax));
break;
case 'soundcloud':
plyr.embed.setVolume(plyr.media.muted ? 0 : parseFloat(config.volume / config.volumeMax));
break;
}
// Trigger volumechange for embeds
_triggerEvent(plyr.media, 'volumechange');
}
}
// Set volume
function _setVolume(volume) {
var max = config.volumeMax,
min = config.volumeMin;
// Use default if no value specified
if (typeof volume === 'undefined') {
volume = config.volume;
if (config.storage.enabled && _storage().supported) {
volume = window.localStorage.getItem(config.storage.key);
// Clean up old volume
// https://github.com/Selz/plyr/issues/171
window.localStorage.removeItem('plyr-volume');
}
}
// Use config if all else fails
if (volume === null || isNaN(volume)) {
volume = config.volume;
}
// Maximum is volumeMax
if (volume > max) {
volume = max;
}
// Minimum is volumeMin
if (volume < min) {
volume = min;
}
// Set the player volume
plyr.media.volume = parseFloat(volume / max);
// Set the display
if (plyr.volume.display) {
plyr.volume.display.value = volume;
}
// Embeds
if (_inArray(config.types.embed, plyr.type)) {
// YouTube
switch(plyr.type) {
case 'youtube':
plyr.embed.setVolume(plyr.media.volume * 100);
break;
case 'vimeo':
plyr.embed.api('setVolume', plyr.media.volume);
break;
case 'soundcloud':
plyr.embed.setVolume(plyr.media.volume);
break;
}
// Trigger volumechange for embeds
_triggerEvent(plyr.media, 'volumechange');
}
// Toggle muted state
if (plyr.media.muted && volume > 0) {
_toggleMute();
}
}
// Increase volume
function _increaseVolume() {
var volume = plyr.media.muted ? 0 : (plyr.media.volume * config.volumeMax);
_setVolume(volume + (config.volumeStep / 5));
}
// Decrease volume
function _decreaseVolume() {
var volume = plyr.media.muted ? 0 : (plyr.media.volume * config.volumeMax);
_setVolume(volume - (config.volumeStep / 5));
}
// Update volume UI and storage
function _updateVolume() {
// Get the current volume
var volume = plyr.media.muted ? 0 : (plyr.media.volume * config.volumeMax);
// Update the <input type="range"> if present
if (plyr.supported.full) {
if (plyr.volume.input) {
plyr.volume.input.value = volume;
}
if (plyr.volume.display) {
plyr.volume.display.value = volume;
}
}
// Store the volume in storage
if (config.storage.enabled && _storage().supported && !isNaN(volume)) {
window.localStorage.setItem(config.storage.key, volume);
}
// Toggle class if muted
_toggleClass(plyr.container, config.classes.muted, (volume === 0));
// Update checkbox for mute state
if (plyr.supported.full && plyr.buttons.mute) {
_toggleState(plyr.buttons.mute, (volume === 0));
}
}
// Toggle captions
function _toggleCaptions(show) {
// If there's no full support, or there's no caption toggle
if (!plyr.supported.full || !plyr.buttons.captions) {
return;
}
// If the method is called without parameter, toggle based on current value
if (typeof show !== 'boolean') {
show = (plyr.container.className.indexOf(config.classes.captions.active) === -1);
}
// Set global
plyr.captionsEnabled = show;
// Toggle state
_toggleState(plyr.buttons.captions, plyr.captionsEnabled);
// Add class hook
_toggleClass(plyr.container, config.classes.captions.active, plyr.captionsEnabled);
// Trigger an event
_triggerEvent(plyr.container, plyr.captionsEnabled ? 'captionsenabled' : 'captionsdisabled');
}
// Check if media is loading
function _checkLoading(event) {
var loading = (event.type === 'waiting');
// Clear timer
clearTimeout(plyr.timers.loading);
// Timer to prevent flicker when seeking
plyr.timers.loading = setTimeout(function() {
_toggleClass(plyr.container, config.classes.loading, loading);
}, (loading ? 250 : 0));
}
// Update <progress> elements
function _updateProgress(event) {
if (!plyr.supported.full) {
return;
}
var progress = plyr.progress.played,
value = 0,
duration = _getDuration();
if (event) {
switch (event.type) {
// Video playing
case 'timeupdate':
case 'seeking':
value = _getPercentage(plyr.media.currentTime, duration);
// Set seek range value only if it's a 'natural' time event
if (event.type == 'timeupdate' && plyr.buttons.seek) {
plyr.buttons.seek.value = value;
}
break;
// Check buffer status
case 'playing':
case 'progress':
progress = plyr.progress.buffer;
value = (function() {
var buffered = plyr.media.buffered;
// HTML5
if (buffered && buffered.length) {
return _getPercentage(buffered.end(0), duration);
}
// YouTube returns between 0 and 1
else if (typeof buffered === 'number') {
return (buffered * 100);
}
return 0;
})();
break;
}
}
// Set values
_setProgress(progress, value);
}
// Set <progress> value
function _setProgress(progress, value) {
if (!plyr.supported.full) {
return;
}
// Default to 0
if (typeof value === 'undefined') {
value = 0;
}
// Default to buffer or bail
if (typeof progress === 'undefined') {
if (plyr.progress && plyr.progress.buffer) {
progress = plyr.progress.buffer;
}
else {
return;
}
}
// One progress element passed
if (progress instanceof HTMLElement) {
progress.value = value;
}
// Object of progress + text element
else if (progress) {
if (progress.bar) {
progress.bar.value = value;
}
if (progress.text) {
progress.text.innerHTML = value;
}
}
}
// Update the displayed time
function _updateTimeDisplay(time, element) {
// Bail if there's no duration display
if (!element) {
return;
}
// Fallback to 0
if (isNaN(time)) {
time = 0;
}
plyr.secs = parseInt(time % 60);
plyr.mins = parseInt((time / 60) % 60);
plyr.hours = parseInt(((time / 60) / 60) % 60);
// Do we need to display hours?
var displayHours = (parseInt(((_getDuration() / 60) / 60) % 60) > 0);
// Ensure it's two digits. For example, 03 rather than 3.
plyr.secs = ('0' + plyr.secs).slice(-2);
plyr.mins = ('0' + plyr.mins).slice(-2);
// Render
element.innerHTML = (displayHours ? plyr.hours + ':' : '') + plyr.mins + ':' + plyr.secs;
}
// Show the duration on metadataloaded
function _displayDuration() {
if (!plyr.supported.full) {
return;
}
// Determine duration
var duration = _getDuration() || 0;
// If there's only one time display, display duration there
if (!plyr.duration && config.displayDuration && plyr.media.paused) {
_updateTimeDisplay(duration, plyr.currentTime);
}
// If there's a duration element, update content
if (plyr.duration) {
_updateTimeDisplay(duration, plyr.duration);
}
// Update the tooltip (if visible)
_updateSeekTooltip();
}
// Handle time change event
function _timeUpdate(event) {
// Duration
_updateTimeDisplay(plyr.media.currentTime, plyr.currentTime);
// Ignore updates while seeking
if (event && event.type == 'timeupdate' && plyr.media.seeking) {
return;
}
// Playing progress
_updateProgress(event);
}
// Update seek range and progress
function _updateSeekDisplay(time) {
// Default to 0
if (typeof time !== 'number') {
time = 0;
}
var duration = _getDuration(),
value = _getPercentage(time, duration);
// Update progress
if (plyr.progress && plyr.progress.played) {
plyr.progress.played.value = value;
}
// Update seek range input
if (plyr.buttons && plyr.buttons.seek) {
plyr.buttons.seek.value = value;
}
}
// Update hover tooltip for seeking
function _updateSeekTooltip(event) {
var duration = _getDuration();
// Bail if setting not true
if (!config.tooltips.seek || !plyr.progress.container || duration === 0) {
return;
}
// Calculate percentage
var clientRect = plyr.progress.container.getBoundingClientRect(),
percent = 0,
visible = config.classes.tooltip + '--visible';
// Determine percentage, if already visible
if (!event) {
if (_hasClass(plyr.progress.tooltip, visible)) {
percent = plyr.progress.tooltip.style.left.replace('%', '');
}
else {
return;
}
}
else {
percent = ((100 / clientRect.width) * (event.pageX - clientRect.left));
}
// Set bounds
if (percent < 0) {
percent = 0;
}
else if (percent > 100) {
percent = 100;
}
// Display the time a click would seek to
_updateTimeDisplay(((duration / 100) * percent), plyr.progress.tooltip);
// Set position
plyr.progress.tooltip.style.left = percent + "%";
// Show/hide the tooltip
// If the event is a moues in/out and percentage is inside bounds
if (event && _inArray(['mouseenter', 'mouseleave'], event.type)) {
_toggleClass(plyr.progress.tooltip, visible, (event.type === 'mouseenter'));
}
}
// Show the player controls in fullscreen mode
function _toggleControls(toggle) {
if (!config.hideControls || plyr.type === 'audio') {
return;
}
var delay = 0,
isEnterFullscreen = false,
show = toggle;
// Default to false if no boolean
if (typeof toggle !== "boolean") {
if (toggle && toggle.type) {
// Is the enter fullscreen event
isEnterFullscreen = (toggle.type === 'enterfullscreen');
// Whether to show controls
show = _inArray(['mousemove', 'mouseenter', 'focus'], toggle.type);
// Delay hiding on mousemove events
if (toggle.type === 'mousemove') {
delay = 2000;
}
// Delay a little more for keyboard users
if (toggle.type === 'focus') {
delay = 3000;
}
}
else {
show = !_hasClass(plyr.container, config.classes.hideControls);
}
}
// Clear timer every movement
window.clearTimeout(plyr.timers.hover);
// If the mouse is not over the controls, set a timeout to hide them
if (show || plyr.media.paused) {
_toggleClass(plyr.container, config.classes.hideControls, false);
// Always show controls when paused or if touch
if (plyr.media.paused) {
return;
}
// Delay for hiding on touch
if (plyr.browser.touch) {
delay = 3000;
}
}
// If toggle is false or if we're playing (regardless of toggle),
// then set the timer to hide the controls
if (!show || !plyr.media.paused) {
plyr.timers.hover = window.setTimeout(function() {
// If the mouse is over the controls (and not entering fullscreen), bail
if (plyr.controls.active && !isEnterFullscreen) {
return;
}
_toggleClass(plyr.container, config.classes.hideControls, true);
}, delay);
}
}
// Add common function to retrieve media source
function _source(source) {
// If not null or undefined, parse it
if (typeof source !== 'undefined') {
_updateSource(source);
return;
}
// Return the current source
var url;
switch(plyr.type) {
case 'youtube':
url = plyr.embed.getVideoUrl();
break;
case 'vimeo':
plyr.embed.api('getVideoUrl', function (value) {
url = value;
});
break;
case 'soundcloud':
plyr.embed.getCurrentSound(function(object) {
url = object.permalink_url;
});
break;
default:
url = plyr.media.currentSrc;
break;
}
return url || '';
}
// Update source
// Sources are not checked for support so be careful
function _updateSource(source) {
if (typeof source === 'undefined' || !('sources' in source) || !source.sources.length) {
_log('Invalid source format', true);
return;
}
// Pause playback
_pause();
// Update seek range and progress
_updateSeekDisplay();
// Reset buffer progress
_setProgress();
// Cancel current network requests
_cancelRequests();
// Clean up YouTube stuff
if (plyr.type === 'youtube') {
// Destroy the embed instance
plyr.embed.destroy();
// Clear timer
window.clearInterval(plyr.timer.buffering);
window.clearInterval(plyr.timer.playing);
}
// HTML5 Video
else if (plyr.type === 'video' && plyr.videoContainer) {
// Remove video wrapper
_remove(plyr.videoContainer);
}
// Remove embed object
plyr.embed = null;
// Remove the old media
_remove(plyr.media);
// Set the type
if ('type' in source) {
plyr.type = source.type;
// Get child type for video (it might be an embed)
if (plyr.type === 'video') {
var firstSource = source.sources[0];
if ('type' in firstSource && _inArray(config.types.embed, firstSource.type)) {
plyr.type = firstSource.type;
}
}
}
// Check for support
plyr.supported = supported(plyr.type);
// Create new markup
switch(plyr.type) {
case 'video':
plyr.media = document.createElement('video');
break;
case 'audio':
plyr.media = document.createElement('audio');
break;
case 'youtube':
case 'vimeo':
case 'soundcloud':
plyr.media = document.createElement('div');
plyr.embedId = source.sources[0].src;
break;
}
// Inject the new element
_prependChild(plyr.container, plyr.media);
// Autoplay the new source?
if (typeof source.autoplay !== 'undefined') {
config.autoplay = source.autoplay;
}
// Set attributes for audio video
if (_inArray(config.types.html5, plyr.type)) {
if (config.crossorigin) {
plyr.media.setAttribute('crossorigin', '');
}
if (config.autoplay) {
plyr.media.setAttribute('autoplay', '');
}
if ('poster' in source) {
plyr.media.setAttribute('poster', source.poster);
}
if (config.loop) {
plyr.media.setAttribute('loop', '');
}
}
// Classname reset
plyr.container.className = plyr.originalClassName;
// Restore class hooks
_toggleClass(plyr.container, config.classes.fullscreen.active, plyr.isFullscreen);
_toggleClass(plyr.container, config.classes.captions.active, plyr.captionsEnabled);
_toggleStyleHook();
// Set new sources for html5
if (_inArray(config.types.html5, plyr.type)) {
_insertChildElements('source', source.sources);
}
// Set up from scratch
_setupMedia();
// HTML5 stuff
if (_inArray(config.types.html5, plyr.type)) {
// Setup captions
if ('tracks' in source) {
_insertChildElements('track', source.tracks);
}
// Load HTML5 sources
plyr.media.load();
// Setup interface
_setupInterface();
// Display duration if available
_displayDuration();
}
// Set aria title and iframe title
config.title = source.title;
_setTitle();
// Reset media objects
plyr.container.plyr.media = plyr.media;
}
// Update poster
function _updatePoster(source) {
if (plyr.type === 'video') {
plyr.media.setAttribute('poster', source);
}
}
// Listen for control events
function _controlListeners() {
// IE doesn't support input event, so we fallback to change
var inputEvent = (plyr.browser.isIE ? 'change' : 'input');
// Click play/pause helper
function _togglePlay() {
var play = plyr.media.paused;
// Toggle playback
if (play) {
_play();
}
else {
_pause();
}
// Determine which buttons
var trigger = plyr.buttons[play ? 'play' : 'pause'],
target = plyr.buttons[play ? 'pause' : 'play'];
// Get the last play button to account for the large play button
if (target && target.length > 1) {
target = target[target.length - 1];
}
else {
target = target[0];
}
// Setup focus and tab focus
if (target) {
var hadTabFocus = _hasClass(trigger, config.classes.tabFocus);
setTimeout(function() {
target.focus();
if (hadTabFocus) {
_toggleClass(trigger, config.classes.tabFocus, false);
_toggleClass(target, config.classes.tabFocus, true);
}
}, 100);
}
}
// Detect tab focus
function checkFocus() {
var focused = document.activeElement;
if (!focused || focused == document.body) {
focused = null;
}
else if (document.querySelector) {
focused = document.querySelector(':focus');
}
for (var button in plyr.buttons) {
var element = plyr.buttons[button];
if (element instanceof NodeList) {
for (var i = 0; i < element.length; i++) {
_toggleClass(element[i], config.classes.tabFocus, (element[i] === focused));
}
}
else {
_toggleClass(element, config.classes.tabFocus, (element === focused));
}
}
}
_on(window, 'keyup', function(event) {
var code = (event.keyCode ? event.keyCode : event.which);
if (code == 9) {
checkFocus();
}
});
_on(document.body, 'click', function() {
_toggleClass(_getElement('.' + config.classes.tabFocus), config.classes.tabFocus, false);
});
for (var button in plyr.buttons) {
var element = plyr.buttons[button];
_on(element, 'blur', function() {
_toggleClass(element, 'tab-focus', false);
});
}
// Play
_proxyListener(plyr.buttons.play, 'click', config.listeners.play, _togglePlay);
// Pause
_proxyListener(plyr.buttons.pause, 'click', config.listeners.pause, _togglePlay);
// Restart
_proxyListener(plyr.buttons.restart, 'click', config.listeners.restart, _seek);
// Rewind
_proxyListener(plyr.buttons.rewind, 'click', config.listeners.rewind, _rewind);
// Fast forward
_proxyListener(plyr.buttons.forward, 'click', config.listeners.forward, _forward);
// Seek
_proxyListener(plyr.buttons.seek, inputEvent, config.listeners.seek, _seek);
// Set volume
_proxyListener(plyr.volume.input, inputEvent, config.listeners.volume, function() {
_setVolume(plyr.volume.input.value);
});
// Mute
_proxyListener(plyr.buttons.mute, 'click', config.listeners.mute, _toggleMute);
// Fullscreen
_proxyListener(plyr.buttons.fullscreen, 'click', config.listeners.fullscreen, _toggleFullscreen);
// Handle user exiting fullscreen by escaping etc
if (fullscreen.supportsFullScreen) {
_on(document, fullscreen.fullScreenEventName, _toggleFullscreen);
}
// Captions
_on(plyr.buttons.captions, 'click', _toggleCaptions);
// Seek tooltip
_on(plyr.progress.container, 'mouseenter mouseleave mousemove', _updateSeekTooltip);
// Toggle controls visibility based on mouse movement
if (config.hideControls) {
// Toggle controls on mouse events and entering fullscreen
_on(plyr.container, 'mouseenter mouseleave mousemove enterfullscreen', _toggleControls);
// Watch for cursor over controls so they don't hide when trying to interact
_on(plyr.controls, 'mouseenter mouseleave', function(event) {
plyr.controls.active = (event.type === 'mouseenter');
});
// Focus in/out on controls
_on(plyr.controls, 'focus blur', _toggleControls, true);
}
// Adjust volume on scroll
_on(plyr.volume.input, 'wheel', function(event) {
event.preventDefault();
// Detect "natural" scroll - suppored on OS X Safari only
// Other browsers on OS X will be inverted until support improves
var inverted = event.webkitDirectionInvertedFromDevice;
// Scroll down (or up on natural) to decrease
if (event.deltaY < 0 || event.deltaX > 0) {
if (inverted) {
_decreaseVolume();
}
else {
_increaseVolume();
}
}
// Scroll up (or down on natural) to increase
if (event.deltaY > 0 || event.deltaX < 0) {
if (inverted) {
_increaseVolume();
}
else {
_decreaseVolume();
}
}
});
}
// Listen for media events
function _mediaListeners() {
// Time change on media
_on(plyr.media, 'timeupdate seeking', _timeUpdate);
// Update manual captions
_on(plyr.media, 'timeupdate', _seekManualCaptions);
// Display duration
_on(plyr.media, 'durationchange loadedmetadata', _displayDuration);
// Handle the media finishing
_on(plyr.media, 'ended', function() {
// Clear
if (plyr.type === 'video') {
_setCaption();
}
// Reset UI
_checkPlaying();
// Seek to 0
_seek(0);
// Reset duration display
_displayDuration();
// Show poster on end
if(plyr.type === 'video' && config.showPosterOnEnd) {
// Re-load media
plyr.media.load();
}
});
// Check for buffer progress
_on(plyr.media, 'progress playing', _updateProgress);
// Handle native mute
_on(plyr.media, 'volumechange', _updateVolume);
// Handle native play/pause
_on(plyr.media, 'play pause', _checkPlaying);
// Loading
_on(plyr.media, 'waiting canplay seeked', _checkLoading);
// Click video
if (config.clickToPlay && plyr.type !== 'audio') {
// Re-fetch the wrapper
var wrapper = _getElement('.' + config.classes.videoWrapper);
// Bail if there's no wrapper (this should never happen)
if (!wrapper) {
return;
}
// Set cursor
wrapper.style.cursor = "pointer";
// On click play, pause ore restart
_on(wrapper, 'click', function() {
if (plyr.browser.touch && !plyr.media.paused) {
_toggleControls(true);
return;
}
if (plyr.media.paused) {
_play();
}
else if (plyr.media.ended) {
_seek();
_play();
}
else {
_pause();
}
});
}
// Disable right click
if (config.disableContextMenu) {
_on(plyr.media, 'contextmenu', function(event) { event.preventDefault(); });
}
// Proxy events to container
_on(plyr.media, config.events.join(' '), function(event) {
_triggerEvent(plyr.container, event.type, true);
});
}
// Cancel current network requests
// See https://github.com/Selz/plyr/issues/174
function _cancelRequests() {
if (!_inArray(config.types.html5, plyr.type)) {
return;
}
// Remove child sources
var sources = plyr.media.querySelectorAll('source');
for (var i = 0; i < sources.length; i++) {
_remove(sources[i]);
}
// Set blank video src attribute
// This is to prevent a MEDIA_ERR_SRC_NOT_SUPPORTED error
// Small mp4: https://github.com/mathiasbynens/small/blob/master/mp4.mp4
// Info: http://stackoverflow.com/questions/32231579/how-to-properly-dispose-of-an-html5-video-and-close-socket-or-connection
plyr.media.setAttribute('src', 'data:video/mp4;base64,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');
// Load the new empty source
// This will cancel existing requests
// See https://github.com/Selz/plyr/issues/174
plyr.media.load();
// Debugging
_log("Cancelled network requests for old media");
}
// Destroy an instance
// Event listeners are removed when elements are removed
// http://stackoverflow.com/questions/12528049/if-a-dom-element-is-removed-are-its-listeners-also-removed-from-memory
function _destroy() {
// Bail if the element is not initialized
if (!plyr.init) {
return null;
}
// Reset container classname
plyr.container.setAttribute('class', _getClassname(config.selectors.container));
// Remove init flag
plyr.init = false;
// Remove controls
_remove(_getElement(config.selectors.controls.wrapper));
// YouTube
if (plyr.type === 'youtube') {
plyr.embed.destroy();
return;
}
// If video, we need to remove some more
if (plyr.type === 'video') {
// Remove captions container
_remove(_getElement(config.selectors.captions));
// Remove video wrapper
_unwrap(plyr.videoContainer);
}
// Restore native video controls
_toggleNativeControls(true);
// Clone the media element to remove listeners
// http://stackoverflow.com/questions/19469881/javascript-remove-all-event-listeners-of-specific-type
var clone = plyr.media.cloneNode(true);
plyr.media.parentNode.replaceChild(clone, plyr.media);
}
// Setup a player
function _init() {
// Bail if the element is initialized
if (plyr.init) {
return null;
}
// Setup the fullscreen api
fullscreen = _fullscreen();
// Sniff out the browser
plyr.browser = _browserSniff();
// Get the media element
plyr.media = plyr.container.querySelectorAll('audio, video')[0];
// Get the div placeholder for YouTube and Vimeo
if (!plyr.media) {
plyr.media = plyr.container.querySelectorAll('[data-type]')[0];
}
// Bail if nothing to setup
if (!plyr.media) {
return;
}
// Get original classname
plyr.originalClassName = plyr.container.className;
// Set media type based on tag or data attribute
// Supported: video, audio, vimeo, youtube
var tagName = plyr.media.tagName.toLowerCase();
if (tagName === 'div') {
plyr.type = plyr.media.getAttribute('data-type');
plyr.embedId = plyr.media.getAttribute('data-video-id');
// Clean up
plyr.media.removeAttribute('data-type');
plyr.media.removeAttribute('data-video-id');
}
else {
plyr.type = tagName;
config.crossorigin = (plyr.media.getAttribute('crossorigin') !== null);
config.autoplay = (config.autoplay || (plyr.media.getAttribute('autoplay') !== null));
config.loop = (config.loop || (plyr.media.getAttribute('loop') !== null));
}
// Check for support
plyr.supported = supported(plyr.type);
// Add style hook
_toggleStyleHook();
// If no native support, bail
if (!plyr.supported.basic) {
return false;
}
// Debug info
_log(plyr.browser.name + ' ' + plyr.browser.version);
// Setup media
_setupMedia();
// Setup interface
if (_inArray(config.types.html5, plyr.type)) {
// Bail if no support
if (!plyr.supported.full) {
// Successful setup
plyr.init = true;
// Don't inject controls if no full support
return;
}
// Setup UI
_setupInterface();
// Set title on button and frame
_setTitle();
// Autoplay
if (config.autoplay) {
_play();
}
}
// Successful setup
plyr.init = true;
}
function _setupInterface() {
// Don't setup interface if no support
if (!plyr.supported.full) {
_log('No full support for this media type (' + plyr.type + ')', true);
// Remove controls
_remove(_getElement(config.selectors.controls.wrapper));
// Remove large play
_remove(_getElement(config.selectors.buttons.play));
// Restore native controls
_toggleNativeControls(true);
// Bail
return;
}
// Inject custom controls if not present
var controlsMissing = !_getElements(config.selectors.controls.wrapper).length;
if (controlsMissing) {
// Inject custom controls
_injectControls();
}
// Find the elements
if (!_findElements()) {
return;
}
// If the controls are injected, re-bind listeners for controls
if (controlsMissing) {
_controlListeners();
}
// Media element listeners
_mediaListeners();
// Remove native controls
_toggleNativeControls();
// Setup fullscreen
_setupFullscreen();
// Captions
_setupCaptions();
// Set volume
_setVolume();
_updateVolume();
// Reset time display
_timeUpdate();
// Update the UI
_checkPlaying();
// Display duration
_displayDuration();
// Ready event
_triggerEvent(plyr.container, 'ready');
}
// Initialize instance
_init();
// If init failed, return an empty object
if (!plyr.init) {
return {};
}
return {
media: plyr.media,
play: _play,
pause: _pause,
restart: _seek,
rewind: _rewind,
forward: _forward,
seek: _seek,
source: _source,
poster: _updatePoster,
setVolume: _setVolume,
togglePlay: _togglePlay,
toggleMute: _toggleMute,
toggleCaptions: _toggleCaptions,
toggleFullscreen: _toggleFullscreen,
toggleControls: _toggleControls,
isFullscreen: function() { return plyr.isFullscreen || false; },
support: function(mimeType) { return _supportMime(plyr, mimeType); },
destroy: _destroy,
restore: _init
};
}
// Load a sprite
function loadSprite(url, id) {
var x = new XMLHttpRequest();
// If the id is set and sprite exists, bail
if (typeof id === 'string' && document.querySelector('#' + id) !== null) {
return;
}
// Check for CORS support
if ('withCredentials' in x) {
x.open('GET', url, true);
}
else {
return;
}
// Inject hidden div with sprite on load
x.onload = function() {
var c = document.createElement('div');
c.setAttribute('hidden', '');
if (typeof id === 'string') {
c.setAttribute('id', id);
}
c.innerHTML = x.responseText;
document.body.insertBefore(c, document.body.childNodes[0]);
}
x.send();
}
// Check for support
function supported(type) {
var browser = _browserSniff(),
oldIE = (browser.isIE && browser.version <= 9),
iPhone = /iPhone|iPod/i.test(navigator.userAgent),
audio = !!document.createElement('audio').canPlayType,
video = !!document.createElement('video').canPlayType,
basic, full;
switch (type) {
case 'video':
basic = video;
full = (basic && (!oldIE && !iPhone));
break;
case 'audio':
basic = audio;
full = (basic && !oldIE);
break;
case 'vimeo':
case 'youtube':
case 'soundcloud':
basic = true;
full = (!oldIE && !iPhone);
break;
default:
basic = (audio && video);
full = (basic && !oldIE);
}
return {
basic: basic,
full: full
};
}
// Setup function
function setup(targets, options) {
// Get the players
var elements = [],
containers = [],
selector = [defaults.selectors.html5, defaults.selectors.embed].join(',');
// Select the elements
// Assume elements is a NodeList by default
if (typeof targets === 'string') {
targets = document.querySelectorAll(targets);
}
// Single HTMLElement passed
else if (targets instanceof HTMLElement) {
targets = [targets];
}
// No selector passed, possibly options as first argument
else if (!(targets instanceof NodeList) && typeof targets !== 'string') {
// If options are the first argument
if (typeof options === 'undefined' && typeof targets === 'object') {
options = targets;
}
// Use default selector
targets = document.querySelectorAll(selector);
}
// Bail if disabled or no basic support
// You may want to disable certain UAs etc
if (!supported().basic || !targets.length) {
return false;
}
// Convert NodeList to array
if (targets instanceof NodeList) {
targets = Array.prototype.slice.call(targets);
}
// Check if the targets have multiple media elements
for (var i = 0; i < targets.length; i++) {
var target = targets[i];
// Get children
var children = target.querySelectorAll(selector);
// If there's more than one media element, wrap them
if (children.length > 1) {
for (var x = 0; x < children.length; x++) {
containers.push({
element: _wrap(children[x], document.createElement('div')),
original: target
});
}
}
else {
containers.push({
element: target
});
}
}
// Create a player instance for each element
for (var key in containers) {
var element = containers[key].element,
original = containers[key].original || element;
// Wrap each media element if is target is media element
// as opposed to a wrapper
if (_matches(element, selector)) {
// Wrap in a <div>
element = _wrap(element, document.createElement('div'));
}
// Setup a player instance and add to the element
if (!('plyr' in element)) {
// Create instance-specific config
var config = _extend({}, defaults, options, JSON.parse(original.getAttribute('data-plyr')));
// Bail if not enabled
if (!config.enabled) {
return null;
}
// Create new instance
var instance = new Plyr(element, config);
// Set plyr to false if setup failed
element.plyr = (Object.keys(instance).length ? instance : false);
// Callback
_triggerEvent(original, 'setup', {
plyr: element.plyr
});
}
// Add to return array even if it's already setup
elements.push(element);
}
return elements;
}
return {
setup: setup,
supported: supported,
loadSprite: loadSprite
};
}));
// Custom event polyfill
// https://developer.mozilla.org/en-US/docs/Web/API/CustomEvent/CustomEvent
(function () {
if (typeof window.CustomEvent === 'function') {
return false;
}
function CustomEvent (event, params) {
params = params || { bubbles: false, cancelable: false, detail: undefined };
var evt = document.createEvent('CustomEvent');
evt.initCustomEvent(event, params.bubbles, params.cancelable, params.detail);
return evt;
}
CustomEvent.prototype = window.Event.prototype;
window.CustomEvent = CustomEvent;
})();