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vplus-html.webapp.assets.js.plugins.plyr.plyr.js Maven / Gradle / Ivy

// ==========================================================================
// Plyr
// plyr.js v1.3.6
// https://github.com/selz/plyr
// License: The MIT License (MIT)
// ==========================================================================
// Credits: http://paypal.github.io/accessible-html5-video-player/
// ==========================================================================

(function (api) {
    'use strict';
    /*global YT*/

    // Globals
    var fullscreen, config, callbacks = {
        youtube: []
    };

    // Default config
    var defaults = {
        enabled: true,
        debug: false,
        seekTime: 10,
        volume: 5,
        click: true,
        tooltips: true,
        displayDuration: true,
        iconPrefix: 'icon',
        selectors: {
            container: '.player',
            controls: '.player-controls',
            labels: '[data-player] .sr-only, label .sr-only',
            buttons: {
                seek: '[data-player="seek"]',
                play: '[data-player="play"]',
                pause: '[data-player="pause"]',
                restart: '[data-player="restart"]',
                rewind: '[data-player="rewind"]',
                forward: '[data-player="fast-forward"]',
                mute: '[data-player="mute"]',
                volume: '[data-player="volume"]',
                captions: '[data-player="captions"]',
                fullscreen: '[data-player="fullscreen"]'
            },
            progress: {
                container: '.player-progress',
                buffer: '.player-progress-buffer',
                played: '.player-progress-played'
            },
            captions: '.player-captions',
            currentTime: '.player-current-time',
            duration: '.player-duration'
        },
        classes: {
            videoWrapper: 'player-video-wrapper',
            embedWrapper: 'player-video-embed',
            type: 'player-{0}',
            stopped: 'stopped',
            playing: 'playing',
            muted: 'muted',
            loading: 'loading',
            tooltip: 'player-tooltip',
            hidden: 'sr-only',
            hover: 'player-hover',
            captions: {
                enabled: 'captions-enabled',
                active: 'captions-active'
            },
            fullscreen: {
                enabled: 'fullscreen-enabled',
                active: 'fullscreen-active',
                hideControls: 'fullscreen-hide-controls'
            }
        },
        captions: {
            defaultActive: false
        },
        fullscreen: {
            enabled: true,
            fallback: true,
            hideControls: true
        },
        storage: {
            enabled: true,
            key: 'plyr_volume'
        },
        controls: ['restart', 'rewind', 'play', 'fast-forward', 'current-time', 'duration', 'mute', 'volume', /*'captions',*/ 'fullscreen'],
        i18n: {
            restart: '重新播放',
            rewind: '后退{seektime}秒',
            play: '播放',
            pause: '暂停',
            forward: '快进{seektime}秒',
            played: '播放中',
            buffered: '缓冲中',
            currentTime: '当前时间',
            duration: '持续时间',
            volume: '音量',
            toggleMute: '静音',
            toggleCaptions: '字幕',
            toggleFullscreen: '全屏'
        }
    };

    // Build the default HTML
    function _buildControls() {
        // Open and add the progress and seek elements
        var html = [
        '
', '
', '', '', '', '0% ' + config.i18n.played, '', '', '0% ' + config.i18n.buffered, '', '
', '']; // Restart button if (_inArray(config.controls, 'restart')) { html.push( '' ); } // Rewind button if (_inArray(config.controls, 'rewind')) { html.push( '' ); } // Play/pause button if (_inArray(config.controls, 'play')) { html.push( '', '' ); } // Fast forward button if (_inArray(config.controls, 'fast-forward')) { html.push( '' ); } // Media current time display if (_inArray(config.controls, 'current-time')) { html.push( '', '' + config.i18n.currentTime + '', '00:00', '' ); } // Media duration display if (_inArray(config.controls, 'duration')) { html.push( '', '' + config.i18n.duration + '', '00:00', '' ); } // Close left controls html.push( '', '' ); // Toggle mute button if (_inArray(config.controls, 'mute')) { html.push( '' ); } // Volume range control if (_inArray(config.controls, 'volume')) { html.push( '', '' ); } // Toggle captions button if (_inArray(config.controls, 'captions')) { html.push( '' ); } // Toggle fullscreen button if (_inArray(config.controls, 'fullscreen')) { html.push( '' ); } // Close everything html.push( '', '
' ); return html.join(''); } // Debugging function _log(text, error) { if (config.debug && window.console) { console[(error ? 'error' : 'log')](text); } } // Credits: http://paypal.github.io/accessible-html5-video-player/ // Unfortunately, due to mixed support, UA sniffing is required function _browserSniff() { var nAgt = navigator.userAgent, name = navigator.appName, fullVersion = '' + parseFloat(navigator.appVersion), majorVersion = parseInt(navigator.appVersion, 10), nameOffset, verOffset, ix; // MSIE 11 if ((navigator.appVersion.indexOf('Windows NT') !== -1) && (navigator.appVersion.indexOf('rv:11') !== -1)) { name = 'IE'; fullVersion = '11;'; } // MSIE else if ((verOffset = nAgt.indexOf('MSIE')) !== -1) { name = 'IE'; fullVersion = nAgt.substring(verOffset + 5); } // Chrome else if ((verOffset = nAgt.indexOf('Chrome')) !== -1) { name = 'Chrome'; fullVersion = nAgt.substring(verOffset + 7); } // Safari else if ((verOffset = nAgt.indexOf('Safari')) !== -1) { name = 'Safari'; fullVersion = nAgt.substring(verOffset + 7); if ((verOffset = nAgt.indexOf('Version')) !== -1) { fullVersion = nAgt.substring(verOffset + 8); } } // Firefox else if ((verOffset = nAgt.indexOf('Firefox')) !== -1) { name = 'Firefox'; fullVersion = nAgt.substring(verOffset + 8); } // In most other browsers, 'name/version' is at the end of userAgent else if ((nameOffset = nAgt.lastIndexOf(' ') + 1) < (verOffset = nAgt.lastIndexOf('/'))) { name = nAgt.substring(nameOffset, verOffset); fullVersion = nAgt.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, ios: /(iPad|iPhone|iPod)/g.test(navigator.platform) }; } // Check for mime type support against a player instance // Credits: http://diveintohtml5.info/everything.html // Related: http://www.leanbackplayer.com/test/h5mt.html function _supportMime(player, mimeType) { var media = player.media; // Only check video types for video players if (player.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 (player.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); } } } // 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) { 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, attributes[key]); } } // Toggle class on an element function _toggleClass(element, name, state) { if (element) { if (element.classList) { element.classList[state ? 'add' : 'remove'](name); } else { var className = (' ' + element.className + ' ').replace(/\s+/g, ' ').replace(' ' + name + ' ', ''); element.className = className + (state ? ' ' + name : ''); } } } // Toggle event function _toggleHandler(element, events, callback, toggle) { var eventList = events.split(' '); // 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) { _toggleHandler(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, false); } } // Bind event function _on(element, events, callback) { if (element) { _toggleHandler(element, events, callback, true); } } // Unbind event function _off(element, events, callback) { if (element) { _toggleHandler(element, events, callback, false); } } // Trigger event function _triggerEvent(element, event) { // Create faux event var fauxEvent = document.createEvent('MouseEvents'); // Set the event type fauxEvent.initEvent(event, true, true); // Dispatch the event element.dispatchEvent(fauxEvent); } // Toggle aria-pressed state on a toggle button function _toggleState(target, state) { // 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 two Objects // http://andrewdupont.net/2009/08/28/deep-extending-objects-in-javascript/ // Removed call to arguments.callee (used explicit function name instead) function _extend(destination, source) { 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 () { try { return 'localStorage' in window && window.localStorage !== null; } catch (e) { return false; } })() }; return storage; } // Player instance function Plyr(container) { var player = this; player.container = container; // Captions functions // Seek the manual caption time and update UI function _seekManualCaptions(time) { // If it's not video, or we're using textTracks, bail. if (player.usingTextTracks || player.type !== 'video' || !player.supported.full) { return; } // Reset subcount player.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 : player.media.currentTime; while (_timecodeMax(player.captions[player.subcount][0]) < time.toFixed(1)) { player.subcount++; if (player.subcount > player.captions.length - 1) { player.subcount = player.captions.length - 1; break; } } // Check if the next caption is in the current time range if (player.media.currentTime.toFixed(1) >= _timecodeMin(player.captions[player.subcount][0]) && player.media.currentTime.toFixed(1) <= _timecodeMax(player.captions[player.subcount][0])) { player.currentCaption = player.captions[player.subcount][1]; // Trim caption text var content = player.currentCaption.trim(); // Render the caption (only if changed) if (player.captionsContainer.innerHTML != content) { // Empty caption // Otherwise NVDA reads it twice player.captionsContainer.innerHTML = ''; // Set new caption text player.captionsContainer.innerHTML = content; } } else { player.captionsContainer.innerHTML = ''; } } // Display captions container and button (for initialization) function _showCaptions() { // If there's no caption toggle, bail if (!player.buttons.captions) { return; } _toggleClass(player.container, config.classes.captions.enabled, true); if (config.captions.defaultActive) { _toggleClass(player.container, config.classes.captions.active, true); _toggleState(player.buttons.captions, true); } } // Utilities for caption time codes function _timecodeMin(tc) { var tcpair = []; tcpair = tc.split(' --> '); return _subTcSecs(tcpair[0]); } function _timecodeMax(tc) { var tcpair = []; tcpair = tc.split(' --> '); return _subTcSecs(tcpair[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; } } // Find all elements function _getElements(selector) { return player.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; } } // Insert controls function _injectControls() { // 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))); // Inject into the container player.container.insertAdjacentHTML('beforeend', html); // Setup tooltips if (config.tooltips) { var labels = _getElements(config.selectors.labels); 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 { player.controls = _getElement(config.selectors.controls); // Buttons player.buttons = {}; player.buttons.seek = _getElement(config.selectors.buttons.seek); player.buttons.play = _getElement(config.selectors.buttons.play); player.buttons.pause = _getElement(config.selectors.buttons.pause); player.buttons.restart = _getElement(config.selectors.buttons.restart); player.buttons.rewind = _getElement(config.selectors.buttons.rewind); player.buttons.forward = _getElement(config.selectors.buttons.forward); player.buttons.fullscreen = _getElement(config.selectors.buttons.fullscreen); // Inputs player.buttons.mute = _getElement(config.selectors.buttons.mute); player.buttons.captions = _getElement(config.selectors.buttons.captions); player.checkboxes = _getElements('[type="checkbox"]'); // Progress player.progress = {}; player.progress.container = _getElement(config.selectors.progress.container); // Progress - Buffering player.progress.buffer = {}; player.progress.buffer.bar = _getElement(config.selectors.progress.buffer); player.progress.buffer.text = player.progress.buffer.bar && player.progress.buffer.bar.getElementsByTagName('span')[0]; // Progress - Played player.progress.played = {}; player.progress.played.bar = _getElement(config.selectors.progress.played); player.progress.played.text = player.progress.played.bar && player.progress.played.bar.getElementsByTagName('span')[0]; // Volume player.volume = _getElement(config.selectors.buttons.volume); // Timing player.duration = _getElement(config.selectors.duration); player.currentTime = _getElement(config.selectors.currentTime); player.seekTime = _getElements(config.selectors.seekTime); return true; } catch (e) { _log('It looks like there\'s a problem with your controls html. Bailing.', true); // Restore native video controls player.media.setAttribute('controls', ''); return false; } } // Setup aria attribute for play function _setupPlayAria() { // If there's no play button, bail if (!player.buttons.play) { return; } // Find the current text var label = player.buttons.play.innerText || 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; } player.buttons.play.setAttribute('aria-label', label); } // Setup media function _setupMedia() { // If there's no media, bail if (!player.media) { _log('No audio or video element found!', true); return false; } if (player.supported.full) { // Remove native video controls player.media.removeAttribute('controls'); // Add type class _toggleClass(player.container, config.classes.type.replace('{0}', player.type), true); // If there's no autoplay attribute, assume the video is stopped and add state class _toggleClass(player.container, config.classes.stopped, (player.media.getAttribute('autoplay') === null)); // Add iOS class if (player.browser.ios) { _toggleClass(player.container, 'ios', true); } // Inject the player wrapper if (player.type === 'video') { // Create the wrapper div var wrapper = document.createElement('div'); wrapper.setAttribute('class', config.classes.videoWrapper); // Wrap the video in a container _wrap(player.media, wrapper); // Cache the container player.videoContainer = wrapper; } } // YouTube if (player.type == 'youtube') { _setupYouTube(player.media.getAttribute('data-video-id')); } // Autoplay if (player.media.getAttribute('autoplay') !== null) { _play(); } } // Setup YouTube function _setupYouTube(id) { // Remove old containers var containers = _getElements('[id^="youtube"]'); for (var i = containers.length - 1; i >= 0; i--) { _remove(containers[i]); } // Create the YouTube container var container = document.createElement('div'); container.setAttribute('id', 'youtube-' + Math.floor(Math.random() * (10000))); player.media.appendChild(container); // Add embed class for responsive _toggleClass(player.media, config.classes.videoWrapper, true); _toggleClass(player.media, config.classes.embedWrapper, true); if (typeof YT === 'object') { _YTReady(id, container); } else { // Load the API _injectScript('https://www.youtube.com/iframe_api'); // Add callback to queue callbacks.youtube.push(function () { _YTReady(id, container); }); // Setup callback for the API window.onYouTubeIframeAPIReady = function () { for (var i = callbacks.youtube.length - 1; i >= 0; i--) { // Fire callback callbacks.youtube[i](); // Remove from queue callbacks.youtube.splice(i, 1); } }; } } // Handle API ready function _YTReady(id, container) { _log('YouTube API Ready'); // Setup timers object // We have to poll YouTube for updates if (!('timer' in player)) { player.timer = {}; } // Setup instance // https://developers.google.com/youtube/iframe_api_reference player.embed = new YT.Player(container.id, { videoId: id, playerVars: { autoplay: 0, controls: (player.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 }, events: { 'onReady': function (event) { // Get the instance var instance = event.target; // Create a faux HTML5 API using the YouTube API player.media.play = function () { instance.playVideo(); }; player.media.pause = function () { instance.pauseVideo(); }; player.media.stop = function () { instance.stopVideo(); }; player.media.duration = instance.getDuration(); player.media.paused = true; player.media.currentTime = instance.getCurrentTime(); player.media.muted = instance.isMuted(); // Trigger timeupdate _triggerEvent(player.media, 'timeupdate'); // Reset timer window.clearInterval(player.timer.buffering); // Setup buffering player.timer.buffering = window.setInterval(function () { // Get loaded % from YouTube player.media.buffered = instance.getVideoLoadedFraction(); // Trigger progress _triggerEvent(player.media, 'progress'); // Bail if we're at 100% if (player.media.buffered === 1) { window.clearInterval(player.timer.buffering); } }, 200); if (player.supported.full) { // Only setup controls once if (!player.container.querySelectorAll(config.selectors.controls).length) { _setupInterface(); } // Display duration if available if (config.displayDuration) { _displayDuration(); } } }, 'onStateChange': function (event) { // Get the instance var instance = event.target; // Reset timer window.clearInterval(player.timer.playing); // Handle events // -1 Unstarted // 0 Ended // 1 Playing // 2 Paused // 3 Buffering // 5 Video cued switch (event.data) { case 0: player.media.paused = true; _triggerEvent(player.media, 'ended'); break; case 1: player.media.paused = false; _triggerEvent(player.media, 'play'); // Poll to get playback progress player.timer.playing = window.setInterval(function () { // Set the current time player.media.currentTime = instance.getCurrentTime(); // Trigger timeupdate _triggerEvent(player.media, 'timeupdate'); }, 200); break; case 2: player.media.paused = true; _triggerEvent(player.media, 'pause'); } } } }); } // Setup captions function _setupCaptions() { if (player.type === 'video') { // Inject the container player.videoContainer.insertAdjacentHTML('afterbegin', '
'); // Cache selector player.captionsContainer = _getElement(config.selectors.captions).querySelector('span'); // Determine if HTML5 textTracks is supported player.usingTextTracks = false; if (player.media.textTracks) { player.usingTextTracks = true; } // Get URL of caption file if exists var captionSrc = '', kind, children = player.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 player.captionExists = true; if (captionSrc === '') { player.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 (!player.captionExists) { _toggleClass(player.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 elements are removed from the dom below var tracks = player.media.textTracks; for (var x = 0; x < tracks.length; x++) { tracks[x].mode = 'hidden'; } // Enable UI _showCaptions(player); // Disable unsupported browsers than report false positive if ((player.browser.name === 'IE' && player.browser.version >= 10) || (player.browser.name === 'Firefox' && player.browser.version >= 31) || (player.browser.name === 'Chrome' && player.browser.version >= 43) || (player.browser.name === 'Safari' && player.browser.version >= 7)) { // Debugging _log('Detected unsupported browser for HTML5 captions. Using fallback.'); // Set to false so skips to 'manual' captioning player.usingTextTracks = false; } // Rendering caption tracks // Native support required - http://caniuse.com/webvtt if (player.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 () { // Clear container player.captionsContainer.innerHTML = ''; // Display a cue, if there is one if (this.activeCues[0] && this.activeCues[0].hasOwnProperty('text')) { player.captionsContainer.appendChild(this.activeCues[0].getCueAsHTML().trim()); } }); } } } // Caption tracks not natively supported else { _log('TextTracks not supported so rendering captions manually.'); // Render captions from array at appropriate time player.currentCaption = ''; player.captions = []; if (captionSrc !== '') { // Create XMLHttpRequest Object var xhr = new XMLHttpRequest(); xhr.onreadystatechange = function () { if (xhr.readyState === 4) { if (xhr.status === 200) { var records = [], record, req = xhr.responseText; records = req.split('\n\n'); for (var r = 0; r < records.length; r++) { record = records[r]; player.captions[r] = []; player.captions[r] = record.split('\n'); } // Remove first element ('VTT') player.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(); } } // If Safari 7+, removing track from DOM [see 'turn off native caption rendering' above] if (player.browser.name === 'Safari' && player.browser.version >= 7) { _log('Safari 7+ detected; removing track from DOM.'); // Find all elements tracks = player.media.getElementsByTagName('track'); // Loop through and remove one by one for (var t = 0; t < tracks.length; t++) { player.media.removeChild(tracks[t]); } } } } } // Setup fullscreen function _setupFullscreen() { if (player.type != 'audio' && 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(player.container, config.classes.fullscreen.enabled, true); } else { _log('Fullscreen not supported and fallback disabled.'); } // Toggle state _toggleState(player.buttons.fullscreen, false); // Set control hide class hook if (config.fullscreen.hideControls) { _toggleClass(player.container, config.classes.fullscreen.hideControls, true); } } } // Play media function _play() { player.media.play(); } // Pause media function _pause() { player.media.pause(); } // Toggle playback function _togglePlay(toggle) { // Play if (toggle === true) { _play(); } // Pause else if (toggle === false) { _pause(); } // True toggle else { player.media[player.media.paused ? 'play' : 'pause'](); } } // Rewind function _rewind(seekTime) { // Use default if needed if (typeof seekTime !== 'number') { seekTime = config.seekTime; } _seek(player.media.currentTime - seekTime); } // Fast forward function _forward(seekTime) { // Use default if needed if (typeof seekTime !== 'number') { seekTime = config.seekTime; } _seek(player.media.currentTime + seekTime); } // Seek to time // The input parameter can be an event or a number function _seek(input) { var targetTime = 0, paused = player.media.paused; // 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) * player.media.duration); } // Normalise targetTime if (targetTime < 0) { targetTime = 0; } else if (targetTime > player.media.duration) { targetTime = player.media.duration; } // Set the current time // Try/catch incase the media isn't set and we're calling seek() from source() and IE moans try { player.media.currentTime = targetTime.toFixed(1); } catch (e) {} // YouTube if (player.type == 'youtube') { player.embed.seekTo(targetTime); if (paused) { _pause(); } // Trigger timeupdate _triggerEvent(player.media, 'timeupdate'); } // Logging _log('Seeking to ' + player.media.currentTime + ' seconds'); // Special handling for 'manual' captions _seekManualCaptions(targetTime); } // Check playing state function _checkPlaying() { _toggleClass(player.container, config.classes.playing, !player.media.paused); _toggleClass(player.container, config.classes.stopped, player.media.paused); } // 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) { player.isFullscreen = fullscreen.isFullScreen(player.container); } // If there's native support, use it else if (nativeSupport) { // Request fullscreen if (!fullscreen.isFullScreen(player.container)) { fullscreen.requestFullScreen(player.container); } // Bail from fullscreen else { fullscreen.cancelFullScreen(); } // Check if we're actually full screen (it could fail) player.isFullscreen = fullscreen.isFullScreen(player.container); } else { // Otherwise, it's a simple toggle player.isFullscreen = !player.isFullscreen; // Bind/unbind escape key if (player.isFullscreen) { _on(document, 'keyup', _handleEscapeFullscreen); document.body.style.overflow = 'hidden'; } else { _off(document, 'keyup', _handleEscapeFullscreen); document.body.style.overflow = ''; } } // Set class hook _toggleClass(player.container, config.classes.fullscreen.active, player.isFullscreen); // Set button state _toggleState(player.buttons.fullscreen, player.isFullscreen); // Toggle controls visibility based on mouse movement and location var hoverTimer, isMouseOver = false; // Show the player controls function _showControls() { // Set shown class _toggleClass(player.container, config.classes.hover, true); // Clear timer every movement window.clearTimeout(hoverTimer); // If the mouse is not over the controls, set a timeout to hide them if (!isMouseOver) { hoverTimer = window.setTimeout(function () { _toggleClass(player.container, config.classes.hover, false); }, 2000); } } // Check mouse is over the controls function _setMouseOver(event) { isMouseOver = (event.type === 'mouseenter'); } if (config.fullscreen.hideControls) { // Hide on entering full screen _toggleClass(player.controls, config.classes.hover, false); // Keep an eye on the mouse location in relation to controls _toggleHandler(player.controls, 'mouseenter mouseleave', _setMouseOver, player.isFullscreen); // Show the controls on mouse move _toggleHandler(player.container, 'mousemove', _showControls, player.isFullscreen); } } // Bail from faux-fullscreen function _handleEscapeFullscreen(event) { // If it's a keypress and not escape, bail if ((event.which || event.charCode || event.keyCode) === 27 && player.isFullscreen) { _toggleFullscreen(); } } // Set volume function _setVolume(volume) { // Use default if no value specified if (typeof volume === 'undefined') { if (config.storage.enabled && _storage().supported) { volume = window.localStorage[config.storage.key] || config.volume; } else { volume = config.volume; } } // Maximum is 10 if (volume > 10) { volume = 10; } // Minimum is 0 if (volume < 0) { volume = 0; } // Set the player volume player.media.volume = parseFloat(volume / 10); // YouTube if (player.type == 'youtube') { player.embed.setVolume(player.media.volume * 100); // Trigger timeupdate _triggerEvent(player.media, 'volumechange'); } // Toggle muted state if (player.media.muted && volume > 0) { _toggleMute(); } } // Mute function _toggleMute(muted) { // If the method is called without parameter, toggle based on current value if (typeof muted !== 'boolean') { muted = !player.media.muted; } // Set button state _toggleState(player.buttons.mute, muted); // Set mute on the player player.media.muted = muted; // YouTube if (player.type === 'youtube') { player.embed[player.media.muted ? 'mute' : 'unMute'](); // Trigger timeupdate _triggerEvent(player.media, 'volumechange'); } } // Update volume UI and storage function _updateVolume() { // Get the current volume var volume = player.media.muted ? 0 : (player.media.volume * 10); // Update the if present if (player.supported.full && player.volume) { player.volume.value = volume; } // Store the volume in storage if (config.storage.enabled && _storage().supported) { window.localStorage.setItem(config.storage.key, volume); } // Toggle class if muted _toggleClass(player.container, config.classes.muted, (volume === 0)); // Update checkbox for mute state if (player.supported.full && player.buttons.mute) { _toggleState(player.buttons.mute, (volume === 0)); } } // Toggle captions function _toggleCaptions(show) { // If there's no full support, or there's no caption toggle if (!player.supported.full || !player.buttons.captions) { return; } // If the method is called without parameter, toggle based on current value if (typeof show !== 'boolean') { show = (player.container.className.indexOf(config.classes.captions.active) === -1); } // Toggle state _toggleState(player.buttons.captions, show); // Add class hook _toggleClass(player.container, config.classes.captions.active, show); } // Check if media is loading function _checkLoading(event) { var loading = (event.type === 'waiting'); // Clear timer clearTimeout(player.loadingTimer); // Timer to prevent flicker when seeking player.loadingTimer = setTimeout(function () { _toggleClass(player.container, config.classes.loading, loading); }, (loading ? 250 : 0)); } // Update elements function _updateProgress(event) { var progress = player.progress.played.bar, text = player.progress.played.text, value = 0; if (event) { switch (event.type) { // Video playing case 'timeupdate': case 'seeking': value = _getPercentage(player.media.currentTime, player.media.duration); // Set seek range value only if it's a 'natural' time event if (event.type == 'timeupdate' && player.buttons.seek) { player.buttons.seek.value = value; } break; // Events from seek range case 'change': case 'input': value = event.target.value; break; // Check buffer status case 'playing': case 'progress': progress = player.progress.buffer.bar; text = player.progress.buffer.text; value = (function () { var buffered = player.media.buffered; // HTML5 if (buffered && buffered.length) { return _getPercentage(buffered.end(0), player.media.duration); } // YouTube returns between 0 and 1 else if (typeof buffered === 'number') { return (buffered * 100); } return 0; })(); } } // Set values if (progress) { progress.value = value; } if (text) { text.innerHTML = value; } } // Update the displayed time function _updateTimeDisplay(time, element) { // Bail if there's no duration display if (!element) { return; } player.secs = parseInt(time % 60); player.mins = parseInt((time / 60) % 60); player.hours = parseInt(((time / 60) / 60) % 60); // Do we need to display hours? var displayHours = (parseInt(((player.media.duration / 60) / 60) % 60) > 0); // Ensure it's two digits. For example, 03 rather than 3. player.secs = ('0' + player.secs).slice(-2); player.mins = ('0' + player.mins).slice(-2); // Render element.innerHTML = (displayHours ? player.hours + ':' : '') + player.mins + ':' + player.secs; } // Show the duration on metadataloaded function _displayDuration() { var duration = player.media.duration || 0; // If there's only one time display, display duration there if (!player.duration && config.displayDuration && player.media.paused) { _updateTimeDisplay(duration, player.currentTime); } // If there's a duration element, update content if (player.duration) { _updateTimeDisplay(duration, player.duration); } } // Handle time change event function _timeUpdate(event) { // Duration _updateTimeDisplay(player.media.currentTime, player.currentTime); // Playing progress _updateProgress(event); } // Remove children and src attribute function _removeSources() { // Find child elements var sources = player.media.querySelectorAll('source'); // Remove each for (var i = sources.length - 1; i >= 0; i--) { _remove(sources[i]); } // Remove src attribute player.media.removeAttribute('src'); } // Inject a source function _addSource(attributes) { if (attributes.src) { // Create a new var element = document.createElement('source'); // Set all passed attributes _setAttributes(element, attributes); // Inject the new source _prependChild(player.media, element); } } // Update source // Sources are not checked for support so be careful function _parseSource(sources) { // YouTube if (player.type === 'youtube' && typeof sources === 'string') { // Destroy YouTube instance player.embed.destroy(); // Re-setup YouTube // We don't use loadVideoBy[x] here since it has issues _setupYouTube(sources); // Update times _timeUpdate(); // Bail return; } // Pause playback (webkit freaks out) _pause(); // Restart _seek(); // Remove current sources _removeSources(); // If a single source is passed // .source('path/to/video.mp4') if (typeof sources === 'string') { _addSource({ src: sources }); } // An array of source objects // Check if a source exists, use that or set the 'src' attribute? // .source([{ src: 'path/to/video.mp4', type: 'video/mp4' },{ src: 'path/to/video.webm', type: 'video/webm' }]) else if (sources.constructor === Array) { for (var index in sources) { _addSource(sources[index]); } } if (player.supported.full) { // Reset time display _timeUpdate(); // Update the UI _checkPlaying(); } // Re-load sources player.media.load(); // Play if autoplay attribute is present if (player.media.getAttribute('autoplay') !== null) { _play(); } } // Update poster function _updatePoster(source) { if (player.type === 'video') { player.media.setAttribute('poster', source); } } // Listen for events function _listeners() { // IE doesn't support input event, so we fallback to change var inputEvent = (player.browser.name == 'IE' ? 'change' : 'input'); // 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 player.buttons) { var element = player.buttons[button]; _toggleClass(element, 'tab-focus', (element === focused)); } } _on(window, 'keyup', function (event) { var code = (event.keyCode ? event.keyCode : event.which); if (code == 9) { checkFocus(); } }); for (var button in player.buttons) { var element = player.buttons[button]; _on(element, 'blur', function () { _toggleClass(element, 'tab-focus', false); }); } // Play _on(player.buttons.play, 'click', function () { _play(); setTimeout(function () { player.buttons.pause.focus(); }, 100); }); // Pause _on(player.buttons.pause, 'click', function () { _pause(); setTimeout(function () { player.buttons.play.focus(); }, 100); }); // Restart _on(player.buttons.restart, 'click', _seek); // Rewind _on(player.buttons.rewind, 'click', _rewind); // Fast forward _on(player.buttons.forward, 'click', _forward); // Seek _on(player.buttons.seek, inputEvent, _seek); // Set volume _on(player.volume, inputEvent, function () { _setVolume(this.value); }); // Mute _on(player.buttons.mute, 'click', _toggleMute); // Fullscreen _on(player.buttons.fullscreen, 'click', _toggleFullscreen); // Handle user exiting fullscreen by escaping etc if (fullscreen.supportsFullScreen) { _on(document, fullscreen.fullScreenEventName, _toggleFullscreen); } // Time change on media _on(player.media, 'timeupdate seeking', _timeUpdate); // Update manual captions _on(player.media, 'timeupdate', _seekManualCaptions); // Display duration _on(player.media, 'loadedmetadata', _displayDuration); // Captions _on(player.buttons.captions, 'click', _toggleCaptions); // Handle the media finishing _on(player.media, 'ended', function () { // Clear if (player.type === 'video') { player.captionsContainer.innerHTML = ''; } // Reset UI _checkPlaying(); }); // Check for buffer progress _on(player.media, 'progress playing', _updateProgress); // Handle native mute _on(player.media, 'volumechange', _updateVolume); // Handle native play/pause _on(player.media, 'play pause', _checkPlaying); // Loading _on(player.media, 'waiting canplay seeked', _checkLoading); // Click video if (player.type === 'video' && config.click) { _on(player.videoContainer, 'click', function () { if (player.media.paused) { _triggerEvent(player.buttons.play, 'click'); } else if (player.media.ended) { _seek(); _triggerEvent(player.buttons.play, 'click'); } else { _triggerEvent(player.buttons.pause, 'click'); } }); } } // 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 (!player.init) { return null; } // Reset container classname player.container.setAttribute('class', config.selectors.container.replace('.', '')); // Remove init flag player.init = false; // Remove controls _remove(_getElement(config.selectors.controls)); // YouTube if (player.type === 'youtube') { player.embed.destroy(); return; } // If video, we need to remove some more if (player.type === 'video') { // Remove captions _remove(_getElement(config.selectors.captions)); // Remove video wrapper _unwrap(player.videoContainer); } // Restore native video controls player.media.setAttribute('controls', ''); // Clone the media element to remove listeners // http://stackoverflow.com/questions/19469881/javascript-remove-all-event-listeners-of-specific-type var clone = player.media.cloneNode(true); player.media.parentNode.replaceChild(clone, player.media); } // Setup a player function _init() { // Bail if the element is initialized if (player.init) { return null; } // Setup the fullscreen api fullscreen = _fullscreen(); // Sniff out the browser player.browser = _browserSniff(); // Get the media element player.media = player.container.querySelectorAll('audio, video, div')[0]; // Set media type var tagName = player.media.tagName.toLowerCase(); if (tagName === 'div') { player.type = player.media.getAttribute('data-type'); } else { player.type = tagName; } // Check for full support player.supported = api.supported(player.type); // If no native support, bail if (!player.supported.basic) { return false; } // Debug info _log(player.browser.name + ' ' + player.browser.version); // Setup media _setupMedia(); // Setup interface if (player.type == 'video' || player.type == 'audio') { // Bail if no support if (!player.supported.full) { // Successful setup player.init = true; // Don't inject controls if no full support return; } // Setup UI _setupInterface(); // Display duration if available if (config.displayDuration) { _displayDuration(); } // Set up aria-label for Play button with the title option _setupPlayAria(); } // Successful setup player.init = true; } function _setupInterface() { // Inject custom controls _injectControls(); // Find the elements if (!_findElements()) { return false; } // Captions _setupCaptions(); // Set volume _setVolume(); _updateVolume(); // Setup fullscreen _setupFullscreen(); // Listeners _listeners(); } // Initialize instance _init(); // If init failed, return an empty object if (!player.init) { return {}; } return { media: player.media, play: _play, pause: _pause, restart: _seek, rewind: _rewind, forward: _forward, seek: _seek, source: _parseSource, poster: _updatePoster, setVolume: _setVolume, togglePlay: _togglePlay, toggleMute: _toggleMute, toggleCaptions: _toggleCaptions, toggleFullscreen: _toggleFullscreen, isFullscreen: function () { return player.isFullscreen || false; }, support: function (mimeType) { return _supportMime(player, mimeType); }, destroy: _destroy, restore: _init }; } // Check for support api.supported = function (type) { var browser = _browserSniff(), oldIE = (browser.name === 'IE' && 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 'youtube': basic = true; full = (!oldIE && !iPhone); break; default: basic = (audio && video); full = (basic && !oldIE); } return { basic: basic, full: full }; }; // Expose setup function api.setup = function (options) { // Extend the default options with user specified config = _extend(defaults, options); // Bail if disabled or no basic support // You may want to disable certain UAs etc if (!config.enabled || !api.supported().basic) { return false; } // Get the players var elements = document.querySelectorAll(config.selectors.container), players = []; // Create a player instance for each element for (var i = elements.length - 1; i >= 0; i--) { // Get the current element var element = elements[i]; // Setup a player instance and add to the element if (typeof element.plyr === 'undefined') { // Create new instance var instance = new Plyr(element); // Set plyr to false if setup failed element.plyr = (Object.keys(instance).length ? instance : false); // Callback if (typeof config.onSetup === 'function') { config.onSetup.apply(element.plyr); } } // Add to return array even if it's already setup players.push(element.plyr); } return players; }; }(this.plyr = this.plyr || {}));




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