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+// ==========================================================================
+// Advertisement plugin using Google IMA HTML5 SDK
+// Create an account with our ad partner, vi here:
+// https://www.vi.ai/publisher-video-monetization/
+// ==========================================================================
+
+/* global google */
+
+import utils from '../utils';
+
+class Ads {
+ /**
+ * Ads constructor.
+ * @param {object} player
+ * @return {Ads}
+ */
+ constructor(player) {
+ this.player = player;
+ this.publisherId = player.config.ads.publisherId;
+ this.enabled = player.isHTML5 && player.isVideo && player.config.ads.enabled && utils.is.string(this.publisherId) && this.publisherId.length;
+ this.playing = false;
+ this.initialized = false;
+ this.elements = {
+ container: null,
+ displayContainer: null,
+ };
+ this.manager = null;
+ this.loader = null;
+ this.cuePoints = null;
+ this.events = {};
+ this.safetyTimer = null;
+ this.countdownTimer = null;
+
+ // Setup a promise to resolve when the IMA manager is ready
+ this.managerPromise = new Promise((resolve, reject) => {
+ // The ad is loaded and ready
+ this.on('loaded', resolve);
+
+ // Ads failed
+ this.on('error', reject);
+ });
+
+ this.load();
+ }
+
+ /**
+ * Load the IMA SDK
+ */
+ load() {
+ if (this.enabled) {
+ // Check if the Google IMA3 SDK is loaded or load it ourselves
+ if (!utils.is.object(window.google) || !utils.is.object(window.google.ima)) {
+ utils
+ .loadScript(this.player.config.urls.googleIMA.api)
+ .then(() => {
+ this.ready();
+ })
+ .catch(() => {
+ // Script failed to load or is blocked
+ this.trigger('error', new Error('Google IMA SDK failed to load'));
+ });
+ } else {
+ this.ready();
+ }
+ }
+ }
+
+ /**
+ * Get the ads instance ready
+ */
+ ready() {
+ // Start ticking our safety timer. If the whole advertisement
+ // thing doesn't resolve within our set time; we bail
+ this.startSafetyTimer(12000, 'ready()');
+
+ // Clear the safety timer
+ this.managerPromise.then(() => {
+ this.clearSafetyTimer('onAdsManagerLoaded()');
+ });
+
+ // Set listeners on the Plyr instance
+ this.listeners();
+
+ // Setup the IMA SDK
+ this.setupIMA();
+ }
+
+ // Build the default tag URL
+ get tagUrl() {
+ const params = {
+ AV_PUBLISHERID: '58c25bb0073ef448b1087ad6',
+ AV_CHANNELID: '5a0458dc28a06145e4519d21',
+ AV_URL: location.hostname,
+ cb: Date.now(),
+ AV_WIDTH: 640,
+ AV_HEIGHT: 480,
+ AV_CDIM2: this.publisherId,
+ };
+
+ const base = 'https://go.aniview.com/api/adserver6/vast/';
+
+ return `${base}?${utils.buildUrlParams(params)}`;
+ }
+
+ /**
+ * In order for the SDK to display ads for our video, we need to tell it where to put them,
+ * so here we define our ad container. This div is set up to render on top of the video player.
+ * Using the code below, we tell the SDK to render ads within that div. We also provide a
+ * handle to the content video player - the SDK will poll the current time of our player to
+ * properly place mid-rolls. After we create the ad display container, we initialize it. On
+ * mobile devices, this initialization is done as the result of a user action.
+ */
+ setupIMA() {
+ // Create the container for our advertisements
+ this.elements.container = utils.createElement('div', {
+ class: this.player.config.classNames.ads,
+ });
+ this.player.elements.container.appendChild(this.elements.container);
+
+ // So we can run VPAID2
+ google.ima.settings.setVpaidMode(google.ima.ImaSdkSettings.VpaidMode.ENABLED);
+
+ // Set language
+ google.ima.settings.setLocale(this.player.config.ads.language);
+
+ // We assume the adContainer is the video container of the plyr element
+ // that will house the ads
+ this.elements.displayContainer = new google.ima.AdDisplayContainer(this.elements.container);
+
+ // Request video ads to be pre-loaded
+ this.requestAds();
+ }
+
+ /**
+ * Request advertisements
+ */
+ requestAds() {
+ const { container } = this.player.elements;
+
+ try {
+ // Create ads loader
+ this.loader = new google.ima.AdsLoader(this.elements.displayContainer);
+
+ // Listen and respond to ads loaded and error events
+ this.loader.addEventListener(google.ima.AdsManagerLoadedEvent.Type.ADS_MANAGER_LOADED, event => this.onAdsManagerLoaded(event), false);
+ this.loader.addEventListener(google.ima.AdErrorEvent.Type.AD_ERROR, error => this.onAdError(error), false);
+
+ // Request video ads
+ const request = new google.ima.AdsRequest();
+ request.adTagUrl = this.tagUrl;
+
+ // Specify the linear and nonlinear slot sizes. This helps the SDK
+ // to select the correct creative if multiple are returned
+ request.linearAdSlotWidth = container.offsetWidth;
+ request.linearAdSlotHeight = container.offsetHeight;
+ request.nonLinearAdSlotWidth = container.offsetWidth;
+ request.nonLinearAdSlotHeight = container.offsetHeight;
+
+ // We only overlay ads as we only support video.
+ request.forceNonLinearFullSlot = false;
+
+ this.loader.requestAds(request);
+ } catch (e) {
+ this.onAdError(e);
+ }
+ }
+
+ /**
+ * Update the ad countdown
+ * @param {boolean} start
+ */
+ pollCountdown(start = false) {
+ if (!start) {
+ clearInterval(this.countdownTimer);
+ this.elements.container.removeAttribute('data-badge-text');
+ return;
+ }
+
+ const update = () => {
+ const time = utils.formatTime(Math.max(this.manager.getRemainingTime(), 0));
+ const label = `${this.player.config.i18n.advertisement} - ${time}`;
+ this.elements.container.setAttribute('data-badge-text', label);
+ };
+
+ this.countdownTimer = setInterval(update, 100);
+ }
+
+ /**
+ * This method is called whenever the ads are ready inside the AdDisplayContainer
+ * @param {Event} adsManagerLoadedEvent
+ */
+ onAdsManagerLoaded(event) {
+ // Get the ads manager
+ const settings = new google.ima.AdsRenderingSettings();
+
+ // Tell the SDK to save and restore content video state on our behalf
+ settings.restoreCustomPlaybackStateOnAdBreakComplete = true;
+ settings.enablePreloading = true;
+
+ // The SDK is polling currentTime on the contentPlayback. And needs a duration
+ // so it can determine when to start the mid- and post-roll
+ this.manager = event.getAdsManager(this.player, settings);
+
+ // Get the cue points for any mid-rolls by filtering out the pre- and post-roll
+ this.cuePoints = this.manager.getCuePoints();
+
+ // Add advertisement cue's within the time line if available
+ this.cuePoints.forEach(cuePoint => {
+ if (cuePoint !== 0 && cuePoint !== -1 && cuePoint < this.player.duration) {
+ const seekElement = this.player.elements.progress;
+
+ if (seekElement) {
+ const cuePercentage = 100 / this.player.duration * cuePoint;
+ const cue = utils.createElement('span', {
+ class: this.player.config.classNames.cues,
+ });
+
+ cue.style.left = `${cuePercentage.toString()}%`;
+ seekElement.appendChild(cue);
+ }
+ }
+ });
+
+ // Get skippable state
+ // TODO: Skip button
+ // this.manager.getAdSkippableState();
+
+ // Set volume to match player
+ this.manager.setVolume(this.player.volume);
+
+ // Add listeners to the required events
+ // Advertisement error events
+ this.manager.addEventListener(google.ima.AdErrorEvent.Type.AD_ERROR, error => this.onAdError(error));
+
+ // Advertisement regular events
+ Object.keys(google.ima.AdEvent.Type).forEach(type => {
+ this.manager.addEventListener(google.ima.AdEvent.Type[type], event => this.onAdEvent(event));
+ });
+
+ // Resolve our adsManager
+ this.trigger('loaded');
+ }
+
+ /**
+ * This is where all the event handling takes place. Retrieve the ad from the event. Some
+ * events (e.g. ALL_ADS_COMPLETED) don't have the ad object associated
+ * https://developers.google.com/interactive-media-ads/docs/sdks/html5/v3/apis#ima.AdEvent.Type
+ * @param {Event} event
+ */
+ onAdEvent(event) {
+ const { container } = this.player.elements;
+
+ // Retrieve the ad from the event. Some events (e.g. ALL_ADS_COMPLETED)
+ // don't have ad object associated
+ const ad = event.getAd();
+
+ // Proxy event
+ const dispatchEvent = type => {
+ const event = `ads${type.replace(/_/g, '').toLowerCase()}`;
+ utils.dispatchEvent.call(this.player, this.player.media, event);
+ };
+
+ switch (event.type) {
+ case google.ima.AdEvent.Type.LOADED:
+ // This is the first event sent for an ad - it is possible to determine whether the
+ // ad is a video ad or an overlay
+ this.trigger('loaded');
+
+ // Bubble event
+ dispatchEvent(event.type);
+
+ // Start countdown
+ this.pollCountdown(true);
+
+ if (!ad.isLinear()) {
+ // Position AdDisplayContainer correctly for overlay
+ ad.width = container.offsetWidth;
+ ad.height = container.offsetHeight;
+ }
+
+ // console.info('Ad type: ' + event.getAd().getAdPodInfo().getPodIndex());
+ // console.info('Ad time: ' + event.getAd().getAdPodInfo().getTimeOffset());
+ break;
+
+ case google.ima.AdEvent.Type.ALL_ADS_COMPLETED:
+ // All ads for the current videos are done. We can now request new advertisements
+ // in case the video is re-played
+
+ // Fire event
+ dispatchEvent(event.type);
+
+ // TODO: Example for what happens when a next video in a playlist would be loaded.
+ // So here we load a new video when all ads are done.
+ // Then we load new ads within a new adsManager. When the video
+ // Is started - after - the ads are loaded, then we get ads.
+ // You can also easily test cancelling and reloading by running
+ // player.ads.cancel() and player.ads.play from the console I guess.
+ // this.player.source = {
+ // type: 'video',
+ // title: 'View From A Blue Moon',
+ // sources: [{
+ // src:
+ // 'https://cdn.plyr.io/static/demo/View_From_A_Blue_Moon_Trailer-HD.mp4', type:
+ // 'video/mp4', }], poster:
+ // 'https://cdn.plyr.io/static/demo/View_From_A_Blue_Moon_Trailer-HD.jpg', tracks:
+ // [ { kind: 'captions', label: 'English', srclang: 'en', src:
+ // 'https://cdn.plyr.io/static/demo/View_From_A_Blue_Moon_Trailer-HD.en.vtt',
+ // default: true, }, { kind: 'captions', label: 'French', srclang: 'fr', src:
+ // 'https://cdn.plyr.io/static/demo/View_From_A_Blue_Moon_Trailer-HD.fr.vtt', }, ],
+ // };
+
+ // TODO: So there is still this thing where a video should only be allowed to start
+ // playing when the IMA SDK is ready or has failed
+
+ this.loadAds();
+ break;
+
+ case google.ima.AdEvent.Type.CONTENT_PAUSE_REQUESTED:
+ // This event indicates the ad has started - the video player can adjust the UI,
+ // for example display a pause button and remaining time. Fired when content should
+ // be paused. This usually happens right before an ad is about to cover the content
+
+ dispatchEvent(event.type);
+
+ this.pauseContent();
+
+ break;
+
+ case google.ima.AdEvent.Type.CONTENT_RESUME_REQUESTED:
+ // This event indicates the ad has finished - the video player can perform
+ // appropriate UI actions, such as removing the timer for remaining time detection.
+ // Fired when content should be resumed. This usually happens when an ad finishes
+ // or collapses
+
+ dispatchEvent(event.type);
+
+ this.pollCountdown();
+
+ this.resumeContent();
+
+ break;
+
+ case google.ima.AdEvent.Type.STARTED:
+ case google.ima.AdEvent.Type.MIDPOINT:
+ case google.ima.AdEvent.Type.COMPLETE:
+ case google.ima.AdEvent.Type.IMPRESSION:
+ case google.ima.AdEvent.Type.CLICK:
+ dispatchEvent(event.type);
+ break;
+
+ default:
+ break;
+ }
+ }
+
+ /**
+ * Any ad error handling comes through here
+ * @param {Event} event
+ */
+ onAdError(event) {
+ this.cancel();
+ this.player.debug.warn('Ads error', event);
+ }
+
+ /**
+ * Setup hooks for Plyr and window events. This ensures
+ * the mid- and post-roll launch at the correct time. And
+ * resize the advertisement when the player resizes
+ */
+ listeners() {
+ const { container } = this.player.elements;
+ let time;
+
+ // Add listeners to the required events
+ this.player.on('ended', () => {
+ this.loader.contentComplete();
+ });
+
+ this.player.on('seeking', () => {
+ time = this.player.currentTime;
+ return time;
+ });
+
+ this.player.on('seeked', () => {
+ const seekedTime = this.player.currentTime;
+
+ this.cuePoints.forEach((cuePoint, index) => {
+ if (time < cuePoint && cuePoint < seekedTime) {
+ this.manager.discardAdBreak();
+ this.cuePoints.splice(index, 1);
+ }
+ });
+ });
+
+ // Listen to the resizing of the window. And resize ad accordingly
+ // TODO: eventually implement ResizeObserver
+ window.addEventListener('resize', () => {
+ this.manager.resize(container.offsetWidth, container.offsetHeight, google.ima.ViewMode.NORMAL);
+ });
+ }
+
+ /**
+ * Initialize the adsManager and start playing advertisements
+ */
+ play() {
+ const { container } = this.player.elements;
+
+ if (!this.managerPromise) {
+ this.resumeContent();
+ }
+
+ // Play the requested advertisement whenever the adsManager is ready
+ this.managerPromise
+ .then(() => {
+ // Initialize the container. Must be done via a user action on mobile devices
+ this.elements.displayContainer.initialize();
+
+ try {
+ if (!this.initialized) {
+ // Initialize the ads manager. Ad rules playlist will start at this time
+ this.manager.init(container.offsetWidth, container.offsetHeight, google.ima.ViewMode.NORMAL);
+
+ // Call play to start showing the ad. Single video and overlay ads will
+ // start at this time; the call will be ignored for ad rules
+ this.manager.start();
+ }
+
+ this.initialized = true;
+ } catch (adError) {
+ // An error may be thrown if there was a problem with the
+ // VAST response
+ this.onAdError(adError);
+ }
+ })
+ .catch(() => {});
+ }
+
+ /**
+ * Resume our video
+ */
+ resumeContent() {
+ // Hide the advertisement container
+ this.elements.container.style.zIndex = '';
+
+ // Ad is stopped
+ this.playing = false;
+
+ // Play our video
+ if (this.player.currentTime < this.player.duration) {
+ this.player.play();
+ }
+ }
+
+ /**
+ * Pause our video
+ */
+ pauseContent() {
+ // Show the advertisement container
+ this.elements.container.style.zIndex = 3;
+
+ // Ad is playing.
+ this.playing = true;
+
+ // Pause our video.
+ this.player.pause();
+ }
+
+ /**
+ * Destroy the adsManager so we can grab new ads after this. If we don't then we're not
+ * allowed to call new ads based on google policies, as they interpret this as an accidental
+ * video requests. https://developers.google.com/interactive-
+ * media-ads/docs/sdks/android/faq#8
+ */
+ cancel() {
+ // Pause our video
+ if (this.initialized) {
+ this.resumeContent();
+ }
+
+ // Tell our instance that we're done for now
+ this.trigger('error');
+
+ // Re-create our adsManager
+ this.loadAds();
+ }
+
+ /**
+ * Re-create our adsManager
+ */
+ loadAds() {
+ // Tell our adsManager to go bye bye
+ this.managerPromise
+ .then(() => {
+ // Destroy our adsManager
+ if (this.manager) {
+ this.manager.destroy();
+ }
+
+ // Re-set our adsManager promises
+ this.managerPromise = new Promise(resolve => {
+ this.on('loaded', resolve);
+ this.player.debug.log(this.manager);
+ });
+
+ // Now request some new advertisements
+ this.requestAds();
+ })
+ .catch(() => {});
+ }
+
+ /**
+ * Handles callbacks after an ad event was invoked
+ * @param {string} event - Event type
+ */
+ trigger(event, ...args) {
+ const handlers = this.events[event];
+
+ if (utils.is.array(handlers)) {
+ handlers.forEach(handler => {
+ if (utils.is.function(handler)) {
+ handler.apply(this, args);
+ }
+ });
+ }
+ }
+
+ /**
+ * Add event listeners
+ * @param {string} event - Event type
+ * @param {function} callback - Callback for when event occurs
+ * @return {Ads}
+ */
+ on(event, callback) {
+ if (!utils.is.array(this.events[event])) {
+ this.events[event] = [];
+ }
+
+ this.events[event].push(callback);
+
+ return this;
+ }
+
+ /**
+ * Setup a safety timer for when the ad network doesn't respond for whatever reason.
+ * The advertisement has 12 seconds to get its things together. We stop this timer when the
+ * advertisement is playing, or when a user action is required to start, then we clear the
+ * timer on ad ready
+ * @param {number} time
+ * @param {string} from
+ */
+ startSafetyTimer(time, from) {
+ this.player.debug.log(`Safety timer invoked from: ${from}`);
+
+ this.safetyTimer = setTimeout(() => {
+ this.cancel();
+ this.clearSafetyTimer('startSafetyTimer()');
+ }, time);
+ }
+
+ /**
+ * Clear our safety timer(s)
+ * @param {string} from
+ */
+ clearSafetyTimer(from) {
+ if (!utils.is.nullOrUndefined(this.safetyTimer)) {
+ this.player.debug.log(`Safety timer cleared from: ${from}`);
+
+ clearTimeout(this.safetyTimer);
+ this.safetyTimer = null;
+ }
+ }
+}
+
+export default Ads;
generated by cgit v1.2.3 (git 2.25.1) at 2025-06-10 20:39:36 +0000