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Diffstat (limited to 'src/js/plyr.js')
| -rw-r--r-- | src/js/plyr.js | 1123 |
1 files changed, 1123 insertions, 0 deletions
diff --git a/src/js/plyr.js b/src/js/plyr.js new file mode 100644 index 00000000..c3055a12 --- /dev/null +++ b/src/js/plyr.js @@ -0,0 +1,1123 @@ +// ========================================================================== +// Plyr +// plyr.js v1.0.10 +// https://github.com/sampotts/plyr +// ========================================================================== +// Credits: http://paypal.github.io/accessible-html5-video-player/ +// ========================================================================== + +(function (api) { + "use strict"; + + // Globals + var fullscreen, config; + + // Default config + var defaults = { + enabled: true, + debug: false, + seekInterval: 10, + volume: 5, + click: true, + selectors: { + container: ".player", + controls: ".player-controls", + buttons: { + 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", + duration: ".player-duration", + seekTime: ".player-seek-time" + }, + classes: { + video: "player-video", + videoWrapper: "player-video-wrapper", + audio: "player-audio", + stopped: "stopped", + playing: "playing", + muted: "muted", + captions: { + enabled: "captions-enabled", + active: "captions-active" + }, + fullscreen: { + enabled: "fullscreen-enabled", + active: "fullscreen-active" + } + }, + captions: { + defaultActive: false + }, + fullscreen: { + enabled: true, + fallback: true + }, + storage: { + enabled: true, + supported: function() { + try { + return "localStorage" in window && window.localStorage !== null; + } + catch(e) { + return false; + } + } + } + }; + + // 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 scattered support, browser sniffing is required + function _browserSniff() { + var nAgt = navigator.userAgent, + browserName = 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)) { + browserName = "IE"; + fullVersion = "11;"; + } + // MSIE + else if ((verOffset=nAgt.indexOf("MSIE")) !== -1) { + browserName = "IE"; + fullVersion = nAgt.substring(verOffset+5); + } + // Chrome + else if ((verOffset=nAgt.indexOf("Chrome")) !== -1) { + browserName = "Chrome"; + fullVersion = nAgt.substring(verOffset+7); + } + // Safari + else if ((verOffset=nAgt.indexOf("Safari")) !== -1) { + browserName = "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) { + browserName = "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("/")) ) { + browserName = nAgt.substring(nameOffset,verOffset); + fullVersion = nAgt.substring(verOffset+1); + if (browserName.toLowerCase()==browserName.toUpperCase()) { + browserName = 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 [browserName, majorVersion]; + } + + // 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 `elms` 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 el = elements[i]; + + // Cache the current parent and sibling. + var parent = el.parentNode; + var sibling = el.nextSibling; + + // Wrap the element (is automatically removed from its current + // parent). + child.appendChild(el); + + // 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); + } + } + } + + // 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 : ""); + } + } + } + + // Bind event + function _on(element, event, callback) { + element.addEventListener(event, callback, false); + } + + // Unbind event + function _off(element, event, callback) { + element.removeEventListener(event, callback, false); + } + + // Get percentage + function _getPercentage(current, max) { + return Math.floor((current / max) * 100); + } + + // Get click position relative to parent + // http://www.kirupa.com/html5/getting_mouse_click_position.htm + function _getClickPosition(event) { + var parentPosition = _fullscreen().isFullScreen() ? { x: 0, y: 0 } : _getPosition(event.currentTarget); + + return { + x: event.clientX - parentPosition.x, + y: event.clientY - parentPosition.y + }; + } + // Get element position + function _getPosition(element) { + var xPosition = 0; + var yPosition = 0; + + while (element) { + xPosition += (element.offsetLeft - element.scrollLeft + element.clientLeft); + yPosition += (element.offsetTop - element.scrollTop + element.clientTop); + element = element.offsetParent; + } + + return { + x: xPosition, + y: yPosition + }; + } + + // 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; + } + } + } + + // Safari doesn't support the ALLOW_KEYBOARD_INPUT flag so set it to not supported + // https://bugs.webkit.org/show_bug.cgi?id=121496 + if(fullscreen.prefix === "webkit" && !!navigator.userAgent.match(/Version\/[\d\.]+.*Safari/)) { + fullscreen.supportsFullScreen = false; + } + + // 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() { + switch (this.prefix) { + case "": + return document.fullScreen; + case "webkit": + return document.webkitIsFullScreen; + case "ms": + // Docs say document.msFullScreenElement returns undefined + // if no element is full screem but it returns null, cheers + // https://msdn.microsoft.com/en-us/library/ie/dn265028%28v=vs.85%29.aspx + return (document.msFullscreenElement !== null); + default: + return document[this.prefix + "FullScreen"]; + } + }; + fullscreen.requestFullScreen = function(element) { + return (this.prefix === "") ? element.requestFullScreen() : element[this.prefix + (this.prefix == "ms" ? "RequestFullscreen" : "RequestFullScreen")](this.prefix === "webkit" ? element.ALLOW_KEYBOARD_INPUT : null); + }; + 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; + } + + // Player instance + function Plyr(container) { + var player = this; + player.container = container; + + // Captions functions + // Credits: http://paypal.github.io/accessible-html5-video-player/ + + // For "manual" captions, adjust caption position when play time changed (via rewind, clicking progress bar, etc.) + function _adjustManualCaptions() { + player.subcount = 0; + while (_timecodeMax(player.captions[player.subcount][0]) < player.media.currentTime.toFixed(1)) { + player.subcount++; + if (player.subcount > player.captions.length-1) { + player.subcount = player.captions.length-1; + break; + } + } + } + // Display captions container and button (for initialization) + function _showCaptions() { + _toggleClass(player.container, config.classes.captions.enabled, true); + + if (config.captions.defaultActive) { + _toggleClass(player.container, config.classes.captions.active, true); + player.buttons.captions.setAttribute("checked", "checked"); + } + } + // 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() { + // Insert custom video controls + _log("Injecting custom controls."); + + // Use specified html + // Need to do a default? + var html = config.html; + + // Replace aria label instances + html = _replaceAll(html, "{aria-label}", config.playAriaLabel); + + // Replace all id references + html = _replaceAll(html, "{id}", player.random); + + // Inject into the container + player.container.insertAdjacentHTML("beforeend", html); + } + + // Find the UI controls and store references + function _findElements() { + try { + player.controls = _getElement(config.selectors.controls); + + // Buttons + player.buttons = {}; + 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.mute = _getElement(config.selectors.buttons.mute); + player.buttons.captions = _getElement(config.selectors.buttons.captions); + player.buttons.fullscreen = _getElement(config.selectors.buttons.fullscreen); + + // 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.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.getElementsByTagName("span")[0]; + + // Volume + player.volume = _getElement(config.selectors.buttons.volume); + + // Timing + player.duration = _getElement(config.selectors.duration); + player.seekTime = _getElements(config.selectors.seekTime); + + return true; + } + catch(e) { + _log("It looks like there's a problem with your controls html. Bailing.", true); + return false; + } + } + + // Setup media + function _setupMedia() { + player.media = player.container.querySelectorAll("audio, video")[0]; + + // If there's no media, bail + if(!player.media) { + _log("No audio or video element found!", true); + return false; + } + + // Remove native video controls + player.media.removeAttribute("controls"); + + // Set media type + player.type = (player.media.tagName.toLowerCase() == "video" ? "video" : "audio"); + + // Add type class + _toggleClass(player.container, config.classes[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)); + + // 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; + } + } + + // Setup captions + function _setupCaptions() { + if(player.type === "video") { + // Inject the container + player.videoContainer.insertAdjacentHTML("afterbegin", "<div class='" + config.selectors.captions.replace(".", "") + "'></div>"); + + // Cache selector + player.captionsContainer = _getElement(config.selectors.captions); + + // Determine if HTML5 textTracks is supported + player.isTextTracks = false; + if (player.media.textTracks) { + player.isTextTracks = 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].getAttribute("kind"); + if (kind === "captions") { + 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 <track> 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); + + // If IE 10/11 or Firefox 31+ or Safari 7+, don"t use native captioning (still doesn"t work although they claim it"s now supported) + if ((player.browserName === "IE" && player.browserMajorVersion === 10) || + (player.browserName === "IE" && player.browserMajorVersion === 11) || + (player.browserName === "Firefox" && player.browserMajorVersion >= 31) || + (player.browserName === "Safari" && player.browserMajorVersion >= 7)) { + // Debugging + _log("Detected IE 10/11 or Firefox 31+ or Safari 7+."); + + // Set to false so skips to "manual" captioning + player.isTextTracks = false; + } + + // Rendering caption tracks + // Native support required - http://caniuse.com/webvtt + if (player.isTextTracks) { + _log("TextTracks supported."); + + for (var y=0; y < tracks.length; y++) { + var track = tracks[y]; + + if (track.kind === "captions") { + _on(track, "cuechange", function() { + if (this.activeCues[0]) { + if (this.activeCues[0].hasOwnProperty("text")) { + player.captionsContainer.innerHTML = this.activeCues[0].text; + } + } + }); + } + } + } + // Caption tracks not natively supported + else { + _log("TextTracks not supported so rendering captions manually."); + + // Render captions from array at appropriate time + player.currentCaption = ""; + player.subcount = 0; + player.captions = []; + + _on(player.media, "timeupdate", function() { + // 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]; + } + // Is there a next timecode? + if (player.media.currentTime.toFixed(1) > _timecodeMax(player.captions[player.subcount][0]) && + player.subcount < (player.captions.length-1)) { + player.subcount++; + } + // Render the caption + player.captionsContainer.innerHTML = player.currentCaption; + }); + + 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.browserName === "Safari" && player.browserMajorVersion >= 7) { + _log("Safari 7+ detected; removing track from DOM."); + + // Find all <track> 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 seeking + function _setupSeeking() { + // Update number of seconds in rewind and fast forward buttons + player.seekTime[0].innerHTML = config.seekInterval; + player.seekTime[1].innerHTML = config.seekInterval; + } + + // Setup fullscreen + function _setupFullscreen() { + if(player.type === "video" && 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."); + } + } + } + + // Play media + function _play() { + player.media.play(); + + _toggleClass(player.container, config.classes.stopped); + _toggleClass(player.container, config.classes.playing, true); + } + + // Pause media + function _pause() { + player.media.pause(); + + _toggleClass(player.container, config.classes.playing); + _toggleClass(player.container, config.classes.stopped, true); + } + + // Restart playback + function _restart() { + // Move to beginning + player.media.currentTime = 0; + + // Special handling for "manual" captions + if (!player.isTextTracks) { + player.subcount = 0; + } + + // Play and ensure the play button is in correct state + _play(); + } + + // Rewind + function _rewind(seekInterval) { + // Use default if needed + if(typeof seekInterval === "undefined") { + seekInterval = config.seekInterval; + } + + var targetTime = player.media.currentTime - seekInterval; + + if (targetTime < 0) { + player.media.currentTime = 0; + } + else { + player.media.currentTime = targetTime; + } + // Special handling for "manual" captions + if (!player.isTextTracks && player.type === "video") { + _adjustManualCaptions(player); + } + } + + // Fast forward + function _forward(seekInterval) { + // Use default if needed + if(typeof seekInterval === "undefined") { + seekInterval = config.seekInterval; + } + + var targetTime = player.media.currentTime + seekInterval; + + if (targetTime > player.media.duration) { + player.media.currentTime = player.media.duration; + } + else { + player.media.currentTime = targetTime; + } + // Special handling for "manual" captions + if (!player.isTextTracks && player.type === "video") { + _adjustManualCaptions(player); + } + } + + // Toggle fullscreen + function _toggleFullscreen() { + // Check for native support + var nativeSupport = fullscreen.supportsFullScreen; + + // If it's a fullscreen change event, it's probably a native close + if(event.type === fullscreen.fullScreenEventName) { + config.fullscreen.active = fullscreen.isFullScreen(); + } + // If there's native support, use it + else if(nativeSupport) { + // Request fullscreen + if(!fullscreen.isFullScreen()) { + fullscreen.requestFullScreen(player.container); + } + // Bail from fullscreen + else { + fullscreen.cancelFullScreen(); + } + + // Check if we're actually full screen (it could fail) + config.fullscreen.active = fullscreen.isFullScreen(); + } + else { + // Otherwise, it's a simple toggle + config.fullscreen.active = !config.fullscreen.active; + + // Bind/unbind escape key + if(config.fullscreen.active) { + _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, config.fullscreen.active); + } + + // Bail from faux-fullscreen + function _handleEscapeFullscreen(event) { + // If it's a keypress and not escape, bail + if((event.which || event.charCode || event.keyCode) === 27 && config.fullscreen.active) { + _toggleFullscreen(); + } + } + + // Set volume + function _setVolume(volume) { + // Use default if needed + if(typeof volume === "undefined") { + if(config.storage.enabled && config.storage.supported) { + volume = window.localStorage.plyr_volume || config.volume; + } + else { + volume = config.volume; + } + } + // Maximum is 10 + if(volume > 10) { + volume = 10; + } + + player.volume.value = volume; + player.media.volume = parseFloat(volume / 10); + _checkMute(); + + // Store the volume in storage + if(config.storage.enabled && config.storage.supported) { + window.localStorage.plyr_volume = volume; + } + } + + // Mute + function _toggleMute(muted) { + // If the method is called without parameter, toggle based on current value + if(typeof active === "undefined") { + muted = !player.media.muted; + player.buttons.mute.checked = muted; + } + + player.media.muted = muted; + _checkMute(); + } + + // Toggle captions + function _toggleCaptions(active) { + // If the method is called without parameter, toggle based on current value + if(typeof active === "undefined") { + active = (player.container.className.indexOf(config.classes.captions.active) === -1); + player.buttons.captions.checked = active; + } + + if (active) { + _toggleClass(player.container, config.classes.captions.active, true); + } + else { + _toggleClass(player.container, config.classes.captions.active); + } + } + + // Check mute state + function _checkMute() { + _toggleClass(player.container, config.classes.muted, (player.media.volume === 0 || player.media.muted)); + } + + // Update <progress> elements + function _updateProgress(event) { + var progress, text, value = 0; + + switch(event.type) { + // Video playing + case "timeupdate": + progress = player.progress.played.bar; + text = player.progress.played.text; + value = _getPercentage(player.media.currentTime, player.media.duration); + 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; + + if(buffered.length) { + return _getPercentage(buffered.end(0), player.media.duration); + } + + return 0; + })(); + break; + } + + if (progress && value > 0) { + progress.value = value; + text.innerHTML = value; + } + } + + // Update the displayed play time + function _updateTimeDisplay() { + player.secs = parseInt(player.media.currentTime % 60); + player.mins = parseInt((player.media.currentTime / 60) % 60); + + // 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 + player.duration.innerHTML = player.mins + ":" + player.secs; + } + + // Listen for events + function _listeners() { + // Play + _on(player.buttons.play, "click", function() { + _play(); + player.buttons.pause.focus(); + }); + + // Pause + _on(player.buttons.pause, "click", function() { + _pause(); + player.buttons.play.focus(); + }); + + // Restart + _on(player.buttons.restart, "click", _restart); + + // Rewind + _on(player.buttons.rewind, "click", function() { + _rewind(config.seekInterval); + }); + + // Fast forward + _on(player.buttons.forward, "click", function() { + _forward(config.seekInterval); + }); + + // Get the HTML5 range input element and append audio volume adjustment on change + _on(player.volume, "change", function() { + _setVolume(this.value); + }); + + // Mute + _on(player.buttons.mute, "change", function() { + _toggleMute(this.checked); + }); + + // Fullscreen + _on(player.buttons.fullscreen, "click", _toggleFullscreen); + + // Handle user exiting fullscreen by escaping etc + _on(document, fullscreen.fullScreenEventName, _toggleFullscreen); + + // Click video + if(player.type === "video" && config.click) { + _on(player.videoContainer, "click", function() { + if(player.media.paused) { + _play(); + } + else if(player.media.ended) { + _restart(); + } + else { + _pause(); + } + }); + } + + // Duration + _on(player.media, "timeupdate", _updateTimeDisplay); + + // Playing progress + _on(player.media, "timeupdate", _updateProgress); + + // Skip when clicking progress bar + _on(player.progress.played.bar, "click", function(event) { + player.pos = _getClickPosition(event).x / this.offsetWidth; + player.media.currentTime = player.pos * player.media.duration; + + // Special handling for "manual" captions + if (!player.isTextTracks && player.type === "video") { + _adjustManualCaptions(player); + } + }); + + // Captions + _on(player.buttons.captions, "click", function() { + _toggleCaptions(this.checked); + }); + + // Clear captions at end of video + _on(player.media, "ended", function() { + if(player.type === "video") { + player.captionsContainer.innerHTML = ""; + } + _toggleClass(player.container, config.classes.stopped, true); + _toggleClass(player.container, config.classes.playing); + }); + + // Check for buffer progress + _on(player.media, "progress", _updateProgress); + // Also check on start of playing + _on(player.media, "playing", _updateProgress); + } + + function _init() { + // Setup the fullscreen api + fullscreen = _fullscreen(); + + // Sniff + player.browserInfo = _browserSniff(); + player.browserName = player.browserInfo[0]; + player.browserMajorVersion = player.browserInfo[1]; + + // Debug info + _log(player.browserName + " " + player.browserMajorVersion); + + // If IE8, stop customization (use fallback) + // If IE9, stop customization (use native controls) + if (player.browserName === "IE" && (player.browserMajorVersion === 8 || player.browserMajorVersion === 9) ) { + _log("Browser not suppported.", true); + return false; + } + + // Set up aria-label for Play button with the title option + if (typeof(config.title) === "undefined" || !config.title.length) { + config.playAriaLabel = "Play"; + } + else { + config.playAriaLabel = "Play " + config.title; + } + + // Setup media + _setupMedia(); + + // Generate random number for id/for attribute values for controls + player.random = Math.floor(Math.random() * (10000)); + + // Inject custom controls + _injectControls(); + + // Find the elements + if(!_findElements()) { + return false; + } + + // Captions + _setupCaptions(); + + // Set volume + _setVolume(); + + // Setup fullscreen + _setupFullscreen(); + + // Seeking + _setupSeeking(); + + // Listeners + _listeners(); + } + + _init(); + + return { + media: player.media, + play: _play, + pause: _pause, + restart: _restart, + rewind: _rewind, + forward: _forward, + setVolume: _setVolume, + toggleMute: _toggleMute, + toggleCaptions: _toggleCaptions + } + } + + // Expose setup function + api.setup = function(options){ + // Extend the default options with user specified + config = _extend(defaults, options); + + // If enabled carry on + // You may want to disable certain UAs etc + if(!config.enabled) { + 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") { + element.plyr = new Plyr(element); + } + + // Add to return array + players.push(element.plyr); + } + + return players; + } +}(this.plyr = this.plyr || {}));
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