545 lines
18 KiB
JavaScript
545 lines
18 KiB
JavaScript
(function (root, factory) {
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if (typeof exports === "object" && typeof module !== "undefined") {
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var videojs = require("video.js");
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module.exports = factory(videojs.default || videojs)
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} else if (typeof define === "function" && define.amd) {
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define(["videojs"], function (videojs) {
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return root.Youtube = factory(videojs)
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})
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} else {
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root.Youtube = factory(root.videojs)
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}
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})(this, function (videojs) {
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"use strict";
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var _isOnMobile = videojs.browser.IS_IOS || videojs.browser.IS_NATIVE_ANDROID;
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var Tech = videojs.getTech("Tech");
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var Youtube = videojs.extend(Tech, {
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constructor: function (options, ready) {
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Tech.call(this, options, ready);
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this.setPoster(options.poster);
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this.setSrc(this.options_.source, true);
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this.setTimeout(function () {
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if (this.el_) {
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this.el_.parentNode.className += " vjs-youtube";
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if (_isOnMobile) {
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this.el_.parentNode.className += " vjs-youtube-mobile"
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}
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if (Youtube.isApiReady) {
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this.initYTPlayer()
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} else {
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Youtube.apiReadyQueue.push(this)
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}
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}
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}.bind(this))
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}, dispose: function () {
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if (this.ytPlayer) {
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if (this.ytPlayer.stopVideo) {
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this.ytPlayer.stopVideo()
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}
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if (this.ytPlayer.destroy) {
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this.ytPlayer.destroy()
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}
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} else {
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var index = Youtube.apiReadyQueue.indexOf(this);
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if (index !== -1) {
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Youtube.apiReadyQueue.splice(index, 1)
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}
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}
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this.ytPlayer = null;
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this.el_.parentNode.className = this.el_.parentNode.className.replace(" vjs-youtube", "").replace(" vjs-youtube-mobile", "");
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this.el_.parentNode.removeChild(this.el_);
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Tech.prototype.dispose.call(this)
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}, createEl: function () {
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var div = document.createElement("div");
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div.setAttribute("id", this.options_.techId);
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div.setAttribute("style", "width:100%;height:100%;top:0;left:0;position:absolute");
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div.setAttribute("class", "vjs-tech");
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var divWrapper = document.createElement("div");
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divWrapper.appendChild(div);
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if (!_isOnMobile && !this.options_.ytControls) {
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var divBlocker = document.createElement("div");
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divBlocker.setAttribute("class", "vjs-iframe-blocker");
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divBlocker.setAttribute("style", "position:absolute;top:0;left:0;width:100%;height:100%");
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divBlocker.onclick = function () {
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this.pause()
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}.bind(this);
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divWrapper.appendChild(divBlocker)
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}
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return divWrapper
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}, initYTPlayer: function () {
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var playerVars = {controls: 0, modestbranding: 1, rel: 0, showinfo: 0, loop: this.options_.loop ? 1 : 0};
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if (typeof this.options_.autohide !== "undefined") {
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playerVars.autohide = this.options_.autohide
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}
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if (typeof this.options_["cc_load_policy"] !== "undefined") {
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playerVars["cc_load_policy"] = this.options_["cc_load_policy"]
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}
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if (typeof this.options_.ytControls !== "undefined") {
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playerVars.controls = this.options_.ytControls
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}
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if (typeof this.options_.disablekb !== "undefined") {
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playerVars.disablekb = this.options_.disablekb
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}
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if (typeof this.options_.color !== "undefined") {
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playerVars.color = this.options_.color
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}
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if (!playerVars.controls) {
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playerVars.fs = 0
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} else if (typeof this.options_.fs !== "undefined") {
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playerVars.fs = this.options_.fs
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}
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if (this.options_.source.src.indexOf("end=") !== -1) {
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var srcEndTime = this.options_.source.src.match(/end=([0-9]*)/);
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this.options_.end = parseInt(srcEndTime[1])
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}
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if (typeof this.options_.end !== "undefined") {
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playerVars.end = this.options_.end
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}
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if (typeof this.options_.hl !== "undefined") {
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playerVars.hl = this.options_.hl
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} else if (typeof this.options_.language !== "undefined") {
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playerVars.hl = this.options_.language.substr(0, 2)
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}
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if (typeof this.options_["iv_load_policy"] !== "undefined") {
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playerVars["iv_load_policy"] = this.options_["iv_load_policy"]
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}
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if (typeof this.options_.list !== "undefined") {
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playerVars.list = this.options_.list
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} else if (this.url && typeof this.url.listId !== "undefined") {
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playerVars.list = this.url.listId
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}
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if (typeof this.options_.listType !== "undefined") {
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playerVars.listType = this.options_.listType
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}
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if (typeof this.options_.modestbranding !== "undefined") {
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playerVars.modestbranding = this.options_.modestbranding
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}
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if (typeof this.options_.playlist !== "undefined") {
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playerVars.playlist = this.options_.playlist
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}
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if (typeof this.options_.playsinline !== "undefined") {
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playerVars.playsinline = this.options_.playsinline
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}
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if (typeof this.options_.rel !== "undefined") {
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playerVars.rel = this.options_.rel
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}
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if (typeof this.options_.showinfo !== "undefined") {
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playerVars.showinfo = this.options_.showinfo
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}
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if (this.options_.source.src.indexOf("start=") !== -1) {
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var srcStartTime = this.options_.source.src.match(/start=([0-9]*)/);
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this.options_.start = parseInt(srcStartTime[1])
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}
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if (typeof this.options_.start !== "undefined") {
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playerVars.start = this.options_.start
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}
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if (typeof this.options_.theme !== "undefined") {
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playerVars.theme = this.options_.theme
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}
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if (typeof this.options_.customVars !== "undefined") {
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var customVars = this.options_.customVars;
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Object.keys(customVars).forEach(function (key) {
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playerVars[key] = customVars[key]
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})
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}
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this.activeVideoId = this.url ? this.url.videoId : null;
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this.activeList = playerVars.list;
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var playerConfig = {
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videoId: this.activeVideoId,
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playerVars: playerVars,
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events: {
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onReady: this.onPlayerReady.bind(this),
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onPlaybackQualityChange: this.onPlayerPlaybackQualityChange.bind(this),
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onPlaybackRateChange: this.onPlayerPlaybackRateChange.bind(this),
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onStateChange: this.onPlayerStateChange.bind(this),
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onVolumeChange: this.onPlayerVolumeChange.bind(this),
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onError: this.onPlayerError.bind(this)
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}
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};
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if (typeof this.options_.enablePrivacyEnhancedMode !== "undefined" && this.options_.enablePrivacyEnhancedMode) {
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playerConfig.host = "https://www.youtube-nocookie.com"
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}
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this.ytPlayer = new YT.Player(this.options_.techId, playerConfig)
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}, onPlayerReady: function () {
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if (this.options_.muted) {
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this.ytPlayer.mute()
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}
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var playbackRates = this.ytPlayer.getAvailablePlaybackRates();
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if (playbackRates.length > 1) {
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this.featuresPlaybackRate = true
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}
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this.playerReady_ = true;
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this.triggerReady();
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if (this.playOnReady) {
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this.play()
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} else if (this.cueOnReady) {
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this.cueVideoById_(this.url.videoId);
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this.activeVideoId = this.url.videoId
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}
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}, onPlayerPlaybackQualityChange: function () {
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}, onPlayerPlaybackRateChange: function () {
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this.trigger("ratechange")
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}, onPlayerStateChange: function (e) {
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var state = e.data;
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if (state === this.lastState || this.errorNumber) {
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return
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}
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this.lastState = state;
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switch (state) {
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case-1:
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this.trigger("loadstart");
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this.trigger("loadedmetadata");
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this.trigger("durationchange");
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this.trigger("ratechange");
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break;
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case YT.PlayerState.ENDED:
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this.trigger("ended");
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break;
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case YT.PlayerState.PLAYING:
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this.trigger("timeupdate");
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this.trigger("durationchange");
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this.trigger("playing");
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this.trigger("play");
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if (this.isSeeking) {
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this.onSeeked()
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}
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break;
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case YT.PlayerState.PAUSED:
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this.trigger("canplay");
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if (this.isSeeking) {
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this.onSeeked()
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} else {
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this.trigger("pause")
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}
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break;
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case YT.PlayerState.BUFFERING:
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this.player_.trigger("timeupdate");
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this.player_.trigger("waiting");
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break
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}
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}, onPlayerVolumeChange: function () {
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this.trigger("volumechange")
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}, onPlayerError: function (e) {
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this.errorNumber = e.data;
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this.trigger("pause");
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this.trigger("error")
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}, error: function () {
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var code = 1e3 + this.errorNumber;
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switch (this.errorNumber) {
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case 5:
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return {code: code, message: "Error while trying to play the video"};
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case 2:
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case 100:
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return {code: code, message: "Unable to find the video"};
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case 101:
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case 150:
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return {code: code, message: "Playback on other Websites has been disabled by the video owner."}
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}
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return {code: code, message: "YouTube unknown error (" + this.errorNumber + ")"}
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}, loadVideoById_: function (id) {
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var options = {videoId: id};
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if (this.options_.start) {
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options.startSeconds = this.options_.start
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}
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if (this.options_.end) {
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options.endEnd = this.options_.end
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}
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this.ytPlayer.loadVideoById(options)
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}, cueVideoById_: function (id) {
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var options = {videoId: id};
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if (this.options_.start) {
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options.startSeconds = this.options_.start
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}
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if (this.options_.end) {
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options.endEnd = this.options_.end
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}
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this.ytPlayer.cueVideoById(options)
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}, src: function (src) {
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if (src) {
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this.setSrc({src: src})
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}
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return this.source
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}, poster: function () {
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if (_isOnMobile) {
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return null
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}
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return this.poster_
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}, setPoster: function (poster) {
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this.poster_ = poster
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}, setSrc: function (source) {
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if (!source || !source.src) {
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return
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}
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delete this.errorNumber;
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this.source = source;
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this.url = Youtube.parseUrl(source.src);
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if (!this.options_.poster) {
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if (this.url.videoId) {
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this.poster_ = "https://img.youtube.com/vi/" + this.url.videoId + "/0.jpg";
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this.trigger("posterchange");
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this.checkHighResPoster()
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}
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}
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if (this.options_.autoplay && !_isOnMobile) {
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if (this.isReady_) {
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this.play()
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} else {
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this.playOnReady = true
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}
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} else if (this.activeVideoId !== this.url.videoId) {
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if (this.isReady_) {
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this.cueVideoById_(this.url.videoId);
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this.activeVideoId = this.url.videoId
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} else {
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this.cueOnReady = true
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}
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}
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}, autoplay: function () {
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return this.options_.autoplay
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}, setAutoplay: function (val) {
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this.options_.autoplay = val
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}, loop: function () {
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return this.options_.loop
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}, setLoop: function (val) {
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this.options_.loop = val
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}, play: function () {
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if (!this.url || !this.url.videoId) {
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return
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}
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this.wasPausedBeforeSeek = false;
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if (this.isReady_) {
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if (this.url.listId) {
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if (this.activeList === this.url.listId) {
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this.ytPlayer.playVideo()
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} else {
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this.ytPlayer.loadPlaylist(this.url.listId);
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this.activeList = this.url.listId
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}
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}
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if (this.activeVideoId === this.url.videoId) {
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this.ytPlayer.playVideo()
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} else {
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this.loadVideoById_(this.url.videoId);
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this.activeVideoId = this.url.videoId
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}
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} else {
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this.trigger("waiting");
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this.playOnReady = true
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}
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}, pause: function () {
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if (this.ytPlayer) {
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this.ytPlayer.pauseVideo()
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}
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}, paused: function () {
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return this.ytPlayer ? this.lastState !== YT.PlayerState.PLAYING && this.lastState !== YT.PlayerState.BUFFERING : true
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}, currentTime: function () {
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return this.ytPlayer ? this.ytPlayer.getCurrentTime() : 0
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}, setCurrentTime: function (seconds) {
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if (this.lastState === YT.PlayerState.PAUSED) {
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this.timeBeforeSeek = this.currentTime()
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}
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if (!this.isSeeking) {
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this.wasPausedBeforeSeek = this.paused()
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}
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this.ytPlayer.seekTo(seconds, true);
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this.trigger("timeupdate");
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this.trigger("seeking");
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this.isSeeking = true;
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if (this.lastState === YT.PlayerState.PAUSED && this.timeBeforeSeek !== seconds) {
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clearInterval(this.checkSeekedInPauseInterval);
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this.checkSeekedInPauseInterval = setInterval(function () {
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if (this.lastState !== YT.PlayerState.PAUSED || !this.isSeeking) {
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clearInterval(this.checkSeekedInPauseInterval)
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} else if (this.currentTime() !== this.timeBeforeSeek) {
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this.trigger("timeupdate");
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this.onSeeked()
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}
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}.bind(this), 250)
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}
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}, seeking: function () {
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return this.isSeeking
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}, seekable: function () {
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if (!this.ytPlayer) {
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return videojs.createTimeRange()
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}
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return videojs.createTimeRange(0, this.ytPlayer.getDuration())
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}, onSeeked: function () {
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clearInterval(this.checkSeekedInPauseInterval);
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this.isSeeking = false;
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if (this.wasPausedBeforeSeek) {
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this.pause()
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}
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this.trigger("seeked")
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}, playbackRate: function () {
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return this.ytPlayer ? this.ytPlayer.getPlaybackRate() : 1
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}, setPlaybackRate: function (suggestedRate) {
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if (!this.ytPlayer) {
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return
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}
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this.ytPlayer.setPlaybackRate(suggestedRate)
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}, duration: function () {
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return this.ytPlayer ? this.ytPlayer.getDuration() : 0
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}, currentSrc: function () {
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return this.source && this.source.src
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}, ended: function () {
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return this.ytPlayer ? this.lastState === YT.PlayerState.ENDED : false
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}, volume: function () {
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return this.ytPlayer ? this.ytPlayer.getVolume() / 100 : 1
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}, setVolume: function (percentAsDecimal) {
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if (!this.ytPlayer) {
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return
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}
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this.ytPlayer.setVolume(percentAsDecimal * 100)
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}, muted: function () {
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return this.ytPlayer ? this.ytPlayer.isMuted() : false
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}, setMuted: function (mute) {
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if (!this.ytPlayer) {
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return
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} else {
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this.muted(true)
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}
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if (mute) {
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this.ytPlayer.mute()
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} else {
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this.ytPlayer.unMute()
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}
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this.setTimeout(function () {
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this.trigger("volumechange")
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}, 50)
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}, buffered: function () {
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if (!this.ytPlayer || !this.ytPlayer.getVideoLoadedFraction) {
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return videojs.createTimeRange()
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}
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var bufferedEnd = this.ytPlayer.getVideoLoadedFraction() * this.ytPlayer.getDuration();
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return videojs.createTimeRange(0, bufferedEnd)
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}, preload: function () {
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}, load: function () {
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}, reset: function () {
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}, networkState: function () {
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if (!this.ytPlayer) {
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return 0
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}
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switch (this.ytPlayer.getPlayerState()) {
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case-1:
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return 0;
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case 3:
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return 2;
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default:
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return 1
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}
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}, readyState: function () {
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if (!this.ytPlayer) {
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return 0
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}
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switch (this.ytPlayer.getPlayerState()) {
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case-1:
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return 0;
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case 5:
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return 1;
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case 3:
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return 2;
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default:
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return 4
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}
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}, supportsFullScreen: function () {
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return document.fullscreenEnabled || document.webkitFullscreenEnabled || document.mozFullScreenEnabled || document.msFullscreenEnabled
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}, checkHighResPoster: function () {
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var uri = "https://img.youtube.com/vi/" + this.url.videoId + "/maxresdefault.jpg";
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try {
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var image = new Image;
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image.onload = function () {
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if ("naturalHeight" in image) {
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if (image.naturalHeight <= 90 || image.naturalWidth <= 120) {
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return
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}
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} else if (image.height <= 90 || image.width <= 120) {
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return
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}
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this.poster_ = uri;
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this.trigger("posterchange")
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}.bind(this);
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image.onerror = function () {
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};
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image.src = uri
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} catch (e) {
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}
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}
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});
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Youtube.isSupported = function () {
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return true
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};
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Youtube.canPlaySource = function (e) {
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return Youtube.canPlayType(e.type)
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};
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Youtube.canPlayType = function (e) {
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return e === "video/youtube"
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};
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Youtube.parseUrl = function (url) {
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var result = {videoId: null};
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var regex = /^.*(youtu.be\/|v\/|u\/\w\/|embed\/|watch\?v=|\&v=)([^#\&\?]*).*/;
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var match = url.match(regex);
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if (match && match[2].length === 11) {
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result.videoId = match[2]
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}
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var regPlaylist = /[?&]list=([^#\&\?]+)/;
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match = url.match(regPlaylist);
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if (match && match[1]) {
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result.listId = match[1]
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}
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return result
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};
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function apiLoaded() {
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YT.ready(function () {
|
|
Youtube.isApiReady = true;
|
|
for (var i = 0; i < Youtube.apiReadyQueue.length; ++i) {
|
|
Youtube.apiReadyQueue[i].initYTPlayer()
|
|
}
|
|
})
|
|
}
|
|
|
|
function loadScript(src, callback) {
|
|
var loaded = false;
|
|
var tag = document.createElement("script");
|
|
var firstScriptTag = document.getElementsByTagName("script")[0];
|
|
firstScriptTag.parentNode.insertBefore(tag, firstScriptTag);
|
|
tag.onload = function () {
|
|
if (!loaded) {
|
|
loaded = true;
|
|
callback()
|
|
}
|
|
};
|
|
tag.onreadystatechange = function () {
|
|
if (!loaded && (this.readyState === "complete" || this.readyState === "loaded")) {
|
|
loaded = true;
|
|
callback()
|
|
}
|
|
};
|
|
tag.src = src
|
|
}
|
|
|
|
function injectCss() {
|
|
var css = ".vjs-youtube .vjs-iframe-blocker { display: none; }" + ".vjs-youtube.vjs-user-inactive .vjs-iframe-blocker { display: block; }" + ".vjs-youtube .vjs-poster { background-size: cover; }" + ".vjs-youtube-mobile .vjs-big-play-button { display: none; }";
|
|
var head = document.head || document.getElementsByTagName("head")[0];
|
|
var style = document.createElement("style");
|
|
style.type = "text/css";
|
|
if (style.styleSheet) {
|
|
style.styleSheet.cssText = css
|
|
} else {
|
|
style.appendChild(document.createTextNode(css))
|
|
}
|
|
head.appendChild(style)
|
|
}
|
|
|
|
Youtube.apiReadyQueue = [];
|
|
if (typeof document !== "undefined") {
|
|
loadScript("https://www.youtube.com/iframe_api", apiLoaded);
|
|
injectCss()
|
|
}
|
|
if (typeof videojs.registerTech !== "undefined") {
|
|
videojs.registerTech("Youtube", Youtube)
|
|
} else {
|
|
videojs.registerComponent("Youtube", Youtube)
|
|
}
|
|
});
|