551 lines
24 KiB
JavaScript
551 lines
24 KiB
JavaScript
import utils from '../utils';
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class Ads {
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constructor(player) {
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this.player = player;
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this.playing = false;
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this.initialized = false;
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// Check if a tag URL is provided.
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if (!utils.is.url(player.config.ads.tagUrl)) {
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return this;
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}
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// Check if the Google IMA3 SDK is loaded
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if (!utils.is.object(window.google)) {
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utils.loadScript(player.config.urls.googleIMA.api, () => {
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this.ready();
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});
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} else {
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this.ready();
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}
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}
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ready() {
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this.time = Date.now();
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this.adsContainer = null;
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this.adDisplayContainer = null;
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this.adsManager = null;
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this.adsLoader = null;
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this.adsCuePoints = null;
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this.currentAd = null;
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this.events = {};
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this.safetyTimer = null;
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// Set listeners on the Plyr instance.
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this.setupListeners();
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// Start ticking our safety timer. If the whole advertisement
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// thing doesn't resolve within our set time; we bail.
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this.startSafetyTimer(12000, 'ready()');
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// Setup a simple promise to resolve if the IMA loader is ready.
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this.adsLoaderPromise = new Promise((resolve) => {
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this.on('ADS_LOADER_LOADED', () => resolve());
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this.player.debug.log(`[${(Date.now() - this.time) / 1000}s][IMA SDK] adsLoader resolved!`, this.adsLoader);
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});
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// Setup a promise to resolve if the IMA manager is ready.
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this.adsManagerPromise = new Promise((resolve) => {
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this.on('ADS_MANAGER_LOADED', () => resolve());
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this.player.debug.log(`[${(Date.now() - this.time) / 1000}s][IMA SDK] adsManager resolved!`, this.adsManager);
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// Clear the safety timer.
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this.clearSafetyTimer('onAdsManagerLoaded()');
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});
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// Setup the IMA SDK.
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this.setupIMA();
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}
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/**
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* setupIMA
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* In order for the SDK to display ads for our video, we need to tell it
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* where to put them, so here we define our ad container. This div is set
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* up to render on top of the video player. Using the code below, we tell
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* the SDK to render ads within that div. We also provide a handle to the
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* content video player - the SDK will poll the current time of our player
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* to properly place mid-rolls. After we create the ad display container,
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* we initialize it. On mobile devices, this initialization is done as the
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* result of a user action.
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*/
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setupIMA() {
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// Create the container for our advertisements.
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this.adsContainer = utils.createElement('div', {
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class: this.player.config.classNames.ads,
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});
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this.player.elements.container.appendChild(this.adsContainer);
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// So we can run VPAID2.
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google.ima.settings.setVpaidMode(google.ima.ImaSdkSettings.VpaidMode.ENABLED);
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// Set language.
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// Todo: Could make a config option out of this locale value.
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google.ima.settings.setLocale('en');
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// We assume the adContainer is the video container of the plyr element
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// that will house the ads.
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this.adDisplayContainer = new google.ima.AdDisplayContainer(this.adsContainer);
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// Request video ads to be pre-loaded.
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this.requestAds();
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}
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/**
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* Request advertisements.
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*/
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requestAds() {
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const { container } = this.player.elements;
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try {
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// Create ads loader.
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this.adsLoader = new google.ima.AdsLoader(this.adDisplayContainer);
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// Listen and respond to ads loaded and error events.
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this.adsLoader.addEventListener(
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google.ima.AdsManagerLoadedEvent.Type.ADS_MANAGER_LOADED,
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event => this.onAdsManagerLoaded(event), false);
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this.adsLoader.addEventListener(
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google.ima.AdErrorEvent.Type.AD_ERROR,
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error => this.onAdError(error), false);
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// Request video ads.
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const adsRequest = new google.ima.AdsRequest();
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adsRequest.adTagUrl = this.player.config.ads.tagUrl;
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// Specify the linear and nonlinear slot sizes. This helps the SDK
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// to select the correct creative if multiple are returned.
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adsRequest.linearAdSlotWidth = container.offsetWidth;
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adsRequest.linearAdSlotHeight = container.offsetHeight;
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adsRequest.nonLinearAdSlotWidth = container.offsetWidth;
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adsRequest.nonLinearAdSlotHeight = container.offsetHeight;
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// We only overlay ads as we only support video.
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adsRequest.forceNonLinearFullSlot = false;
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this.adsLoader.requestAds(adsRequest);
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this.handleEventListeners('ADS_LOADER_LOADED');
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} catch (e) {
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this.onAdError(e);
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}
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}
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/**
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* This method is called whenever the ads are ready inside
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* the AdDisplayContainer.
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* @param {Event} adsManagerLoadedEvent
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*/
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onAdsManagerLoaded(adsManagerLoadedEvent) {
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// Get the ads manager.
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const settings = new google.ima.AdsRenderingSettings();
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// Tell the SDK to save and restore content video state on our behalf.
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settings.restoreCustomPlaybackStateOnAdBreakComplete = true;
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settings.enablePreloading = true;
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// The SDK is polling currentTime on the contentPlayback. And needs a duration
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// so it can determine when to start the mid- and post-roll.
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this.adsManager = adsManagerLoadedEvent.getAdsManager(this.player, settings);
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// Get the cue points for any mid-rolls by filtering out the pre- and post-roll.
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this.adsCuePoints = this.adsManager.getCuePoints();
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// Add listeners to the required events.
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// Advertisement error events.
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this.adsManager.addEventListener(google.ima.AdErrorEvent.Type.AD_ERROR, error => this.onAdError(error));
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// Advertisement regular events.
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this.adsManager.addEventListener(google.ima.AdEvent.Type.AD_BREAK_READY, event => this.onAdEvent(event));
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this.adsManager.addEventListener(google.ima.AdEvent.Type.AD_METADATA, event => this.onAdEvent(event));
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this.adsManager.addEventListener(google.ima.AdEvent.Type.ALL_ADS_COMPLETED, event => this.onAdEvent(event));
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this.adsManager.addEventListener(google.ima.AdEvent.Type.CLICK, event => this.onAdEvent(event));
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this.adsManager.addEventListener(google.ima.AdEvent.Type.COMPLETE, event => this.onAdEvent(event));
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this.adsManager.addEventListener(google.ima.AdEvent.Type.CONTENT_PAUSE_REQUESTED, event => this.onAdEvent(event));
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this.adsManager.addEventListener(google.ima.AdEvent.Type.CONTENT_RESUME_REQUESTED, event => this.onAdEvent(event));
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this.adsManager.addEventListener(google.ima.AdEvent.Type.LOADED, event => this.onAdEvent(event));
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this.adsManager.addEventListener(google.ima.AdEvent.Type.STARTED, event => this.onAdEvent(event));
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this.adsManager.addEventListener(google.ima.AdEvent.Type.DURATION_CHANGE, event => this.onAdEvent(event));
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this.adsManager.addEventListener(google.ima.AdEvent.Type.FIRST_QUARTILE, event => this.onAdEvent(event));
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this.adsManager.addEventListener(google.ima.AdEvent.Type.IMPRESSION, event => this.onAdEvent(event));
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this.adsManager.addEventListener(google.ima.AdEvent.Type.INTERACTION, event => this.onAdEvent(event));
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this.adsManager.addEventListener(google.ima.AdEvent.Type.LINEAR_CHANGED, event => this.onAdEvent(event));
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this.adsManager.addEventListener(google.ima.AdEvent.Type.MIDPOINT, event => this.onAdEvent(event));
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this.adsManager.addEventListener(google.ima.AdEvent.Type.PAUSED, event => this.onAdEvent(event));
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this.adsManager.addEventListener(google.ima.AdEvent.Type.RESUMED, event => this.onAdEvent(event));
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this.adsManager.addEventListener(google.ima.AdEvent.Type.SKIPPABLE_STATE_CHANGED, event => this.onAdEvent(event));
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this.adsManager.addEventListener(google.ima.AdEvent.Type.SKIPPED, event => this.onAdEvent(event));
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this.adsManager.addEventListener(google.ima.AdEvent.Type.THIRD_QUARTILE, event => this.onAdEvent(event));
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this.adsManager.addEventListener(google.ima.AdEvent.Type.USER_CLOSE, event => this.onAdEvent(event));
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this.adsManager.addEventListener(google.ima.AdEvent.Type.VOLUME_CHANGED, event => this.onAdEvent(event));
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this.adsManager.addEventListener(google.ima.AdEvent.Type.VOLUME_MUTED, event => this.onAdEvent(event));
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// Resolve our adsManager.
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this.handleEventListeners('ADS_MANAGER_LOADED');
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}
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/**
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* This is where all the event handling takes place. Retrieve the ad from
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* the event. Some events (e.g. ALL_ADS_COMPLETED) don't have ad
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* object associated.
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* @param {Event} event
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*/
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onAdEvent(event) {
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const { container } = this.player.elements;
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// Retrieve the ad from the event. Some events (e.g. ALL_ADS_COMPLETED)
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// don't have ad object associated.
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const ad = event.getAd();
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// Set the currently played ad. This information could be used by callback
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// events.
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this.currentAd = ad;
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// let intervalTimer;
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switch (event.type) {
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case google.ima.AdEvent.Type.AD_BREAK_READY:
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this.player.debug.log(`[${(Date.now() - this.time) / 1000}s][IMA SDK] AD_BREAK_READY |`, 'Fired when an ad rule or a VMAP ad break would have played if autoPlayAdBreaks is false.');
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break;
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case google.ima.AdEvent.Type.AD_METADATA:
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this.player.debug.log(`[${(Date.now() - this.time) / 1000}s][IMA SDK] AD_METADATA |`, 'Fired when an ads list is loaded.');
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break;
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case google.ima.AdEvent.Type.ALL_ADS_COMPLETED:
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// All ads for the current videos are done. We can now
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// request new advertisements in case the video is re-played.
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this.player.debug.log(`[${(Date.now() - this.time) / 1000}s][IMA SDK] ALL_ADS_COMPLETED |`, 'Fired when the ads manager is done playing all the ads.');
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this.handleEventListeners('ALL_ADS_COMPLETED');
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// Todo: Example for what happens when a next video in a playlist would be loaded.
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// So here we load a new video when all ads are done.
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// Then we load new ads within a new adsManager. When the video
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// Is started - after - the ads are loaded, then we get ads.
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// You can also easily test cancelling and reloading by running
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// player.ads.cancel() and player.ads.play from the console I guess.
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// this.player.source = {
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// type: 'video',
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// title: 'View From A Blue Moon',
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// sources: [{
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// src: 'https://cdn.plyr.io/static/demo/View_From_A_Blue_Moon_Trailer-HD.mp4',
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// type: 'video/mp4',
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// }],
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// poster: 'https://cdn.plyr.io/static/demo/View_From_A_Blue_Moon_Trailer-HD.jpg',
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// tracks: [
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// {
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// kind: 'captions',
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// label: 'English',
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// srclang: 'en',
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// src: 'https://cdn.plyr.io/static/demo/View_From_A_Blue_Moon_Trailer-HD.en.vtt',
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// default: true,
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// },
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// {
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// kind: 'captions',
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// label: 'French',
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// srclang: 'fr',
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// src: 'https://cdn.plyr.io/static/demo/View_From_A_Blue_Moon_Trailer-HD.fr.vtt',
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// },
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// ],
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// };
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// 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.
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this.loadAds();
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break;
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case google.ima.AdEvent.Type.CLICK:
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this.player.debug.log(`[${(Date.now() - this.time) / 1000}s][IMA SDK] CLICK |`, 'Fired when the ad is clicked.');
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break;
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case google.ima.AdEvent.Type.COMPLETE:
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this.player.debug.log(`[${(Date.now() - this.time) / 1000}s][IMA SDK] COMPLETE |`, 'Fired when the ad completes playing.');
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break;
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case google.ima.AdEvent.Type.CONTENT_PAUSE_REQUESTED:
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// This event indicates the ad has started - the video player
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// can adjust the UI, for example display a pause button and
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// remaining time.
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this.player.debug.log(`[${(Date.now() - this.time) / 1000}s][IMA SDK] CONTENT_PAUSE_REQUESTED |`, 'Fired when content should be paused. This usually happens right before an ad is about to cover the content.');
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this.handleEventListeners('CONTENT_PAUSE_REQUESTED');
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this.contentPause();
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break;
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case google.ima.AdEvent.Type.CONTENT_RESUME_REQUESTED:
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// This event indicates the ad has finished - the video player
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// can perform appropriate UI actions, such as removing the timer for
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// remaining time detection.
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this.player.debug.log(`[${(Date.now() - this.time) / 1000}s][IMA SDK] CONTENT_RESUME_REQUESTED |`, 'Fired when content should be resumed. This usually happens when an ad finishes or collapses.');
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this.handleEventListeners('CONTENT_RESUME_REQUESTED');
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this.contentResume();
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break;
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case google.ima.AdEvent.Type.LOADED:
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// This is the first event sent for an ad - it is possible to
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// determine whether the ad is a video ad or an overlay.
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this.player.debug.log(`[${(Date.now() - this.time) / 1000}s][IMA SDK] LOADED |`, event.getAd().getContentType());
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this.handleEventListeners('LOADED');
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if (!ad.isLinear()) {
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// Position AdDisplayContainer correctly for overlay.
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ad.width = container.offsetWidth;
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ad.height = container.offsetHeight;
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}
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// console.info('Ad type: ' + event.getAd().getAdPodInfo().getPodIndex());
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// console.info('Ad time: ' + event.getAd().getAdPodInfo().getTimeOffset());
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break;
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case google.ima.AdEvent.Type.STARTED:
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this.player.debug.log(`[${(Date.now() - this.time) / 1000}s][IMA SDK] STARTED |`, 'Fired when the ad starts playing.');
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break;
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case google.ima.AdEvent.Type.DURATION_CHANGE:
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this.player.debug.log(`[${(Date.now() - this.time) / 1000}s][IMA SDK] DURATION_CHANGE |`, 'Fired when the ad\'s duration changes.');
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break;
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case google.ima.AdEvent.Type.FIRST_QUARTILE:
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this.player.debug.log(`[${(Date.now() - this.time) / 1000}s][IMA SDK] FIRST_QUARTILE |`, 'Fired when the ad playhead crosses first quartile.');
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break;
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case google.ima.AdEvent.Type.IMPRESSION:
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this.player.debug.log(`[${(Date.now() - this.time) / 1000}s][IMA SDK] IMPRESSION |`, 'Fired when the impression URL has been pinged.');
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break;
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case google.ima.AdEvent.Type.INTERACTION:
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this.player.debug.log(`[${(Date.now() - this.time) / 1000}s][IMA SDK] INTERACTION |`, 'Fired when an ad triggers the interaction callback. Ad interactions contain an interaction ID string in the ad data.');
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break;
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case google.ima.AdEvent.Type.LINEAR_CHANGED:
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this.player.debug.log(`[${(Date.now() - this.time) / 1000}s][IMA SDK] LINEAR_CHANGED |`, 'Fired when the displayed ad changes from linear to nonlinear, or vice versa.');
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break;
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case google.ima.AdEvent.Type.MIDPOINT:
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this.player.debug.log(`[${(Date.now() - this.time) / 1000}s][IMA SDK] MIDPOINT |`, 'Fired when the ad playhead crosses midpoint.');
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break;
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case google.ima.AdEvent.Type.PAUSED:
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this.player.debug.log(`[${(Date.now() - this.time) / 1000}s][IMA SDK] PAUSED |`, 'Fired when the ad is paused.');
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break;
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case google.ima.AdEvent.Type.RESUMED:
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this.player.debug.log(`[${(Date.now() - this.time) / 1000}s][IMA SDK] RESUMED |`, 'Fired when the ad is resumed.');
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break;
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case google.ima.AdEvent.Type.SKIPPABLE_STATE_CHANGED:
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this.player.debug.log(`[${(Date.now() - this.time) / 1000}s][IMA SDK] SKIPPABLE_STATE_CHANGED |`, 'Fired when the displayed ads skippable state is changed.');
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break;
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case google.ima.AdEvent.Type.SKIPPED:
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this.player.debug.log(`[${(Date.now() - this.time) / 1000}s][IMA SDK] SKIPPED |`, 'Fired when the ad is skipped by the user.');
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break;
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case google.ima.AdEvent.Type.THIRD_QUARTILE:
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this.player.debug.log(`[${(Date.now() - this.time) / 1000}s][IMA SDK] THIRD_QUARTILE |`, 'Fired when the ad playhead crosses third quartile.');
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break;
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case google.ima.AdEvent.Type.USER_CLOSE:
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this.player.debug.log(`[${(Date.now() - this.time) / 1000}s][IMA SDK] USER_CLOSE |`, 'Fired when the ad is closed by the user.');
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break;
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case google.ima.AdEvent.Type.VOLUME_CHANGED:
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this.player.debug.log(`[${(Date.now() - this.time) / 1000}s][IMA SDK] VOLUME_CHANGED |`, 'Fired when the ad volume has changed.');
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break;
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case google.ima.AdEvent.Type.VOLUME_MUTED:
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this.player.debug.log(`[${(Date.now() - this.time) / 1000}s][IMA SDK] VOLUME_MUTED |`, 'Fired when the ad volume has been muted.');
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break;
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default:
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break;
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}
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}
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/**
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* Any ad error handling comes through here.
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* @param {Event} adErrorEvent
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*/
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onAdError(adErrorEvent) {
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this.cancel();
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this.player.debug.log(`[${(Date.now() - this.time) / 1000}s][IMA SDK] ERROR |`, adErrorEvent);
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}
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/**
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* Setup hooks for Plyr and window events. This ensures
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* the mid- and post-roll launch at the correct time. And
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* resize the advertisement when the player resizes.
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*/
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setupListeners() {
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const { container } = this.player.elements;
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let time;
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// Add listeners to the required events.
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this.player.on('ended', () => {
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this.adsLoader.contentComplete();
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});
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this.player.on('seeking', event => {
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time = this.player.currentTime;
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return time;
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});
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this.player.on('seeked', event => {
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const seekedTime = this.player.currentTime;
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this.adsCuePoints.forEach((cuePoint, index) => {
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if (time < cuePoint && cuePoint < seekedTime) {
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this.adsManager.discardAdBreak();
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this.adsCuePoints.splice(index, 1);
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}
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});
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});
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// Listen to the resizing of the window. And resize ad accordingly.
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window.addEventListener('resize', () => {
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this.adsManager.resize(container.offsetWidth, container.offsetHeight, google.ima.ViewMode.NORMAL);
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});
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}
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/**
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* Initialize the adsManager and start playing advertisements.
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*/
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play() {
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const { container } = this.player.elements;
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// Initialize the container. Must be done via a user action on mobile devices.
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this.adDisplayContainer.initialize();
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// Play the requested advertisement whenever the adsManager is ready.
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this.adsManagerPromise.then(() => {
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try {
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if (!this.initialized) {
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// Initialize the ads manager. Ad rules playlist will start at this time.
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this.adsManager.init(container.offsetWidth, container.offsetHeight, google.ima.ViewMode.NORMAL);
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// Call play to start showing the ad. Single video and overlay ads will
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// start at this time; the call will be ignored for ad rules.
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this.adsManager.start();
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}
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this.initialized = true;
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} catch (adError) {
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// An error may be thrown if there was a problem with the
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// VAST response.
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this.onAdError(adError);
|
|
}
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Resume our video.
|
|
*/
|
|
contentResume() {
|
|
this.player.debug.log(`[${(Date.now() - this.time) / 1000}s][IMA SDK]`, 'Resume video.');
|
|
|
|
// Hide our ad container.
|
|
this.adsContainer.style.display = 'none';
|
|
|
|
// Ad is stopped.
|
|
this.playing = false;
|
|
|
|
// Play our video.
|
|
if (this.player.currentTime < this.player.duration) {
|
|
this.player.play();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Pause our video.
|
|
*/
|
|
contentPause() {
|
|
this.player.debug.log(`[${(Date.now() - this.time) / 1000}s][IMA SDK]`, 'Pause video.');
|
|
|
|
// Show our ad container.
|
|
this.adsContainer.style.display = 'block';
|
|
|
|
// 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() {
|
|
this.player.debug.warn(`[${(Date.now() - this.time) / 1000}s][IMA SDK]`, 'Advertisement cancelled.');
|
|
|
|
// Pause our video.
|
|
this.contentResume();
|
|
|
|
// Tell our instance that we're done for now.
|
|
this.handleEventListeners('ERROR');
|
|
|
|
// Re-create our adsManager.
|
|
this.loadAds();
|
|
}
|
|
|
|
/**
|
|
* Re-create our adsManager.
|
|
*/
|
|
loadAds() {
|
|
this.player.debug.log(`[${(Date.now() - this.time) / 1000}s][IMA SDK]`, 'Re-loading advertisements.');
|
|
|
|
// Tell our adsManager to go bye bye.
|
|
this.adsManagerPromise.then(() => {
|
|
// Destroy our adsManager.
|
|
if (this.adsManager) {
|
|
this.adsManager.destroy();
|
|
}
|
|
|
|
// Re-set our adsManager promises.
|
|
this.adsManagerPromise = new Promise((resolve) => {
|
|
this.on('ADS_MANAGER_LOADED', () => resolve());
|
|
this.player.debug.log(`[${(Date.now() - this.time) / 1000}s][IMA SDK] adsManager resolved!`, this.adsManager);
|
|
});
|
|
|
|
// Make sure we can re-call advertisements.
|
|
this.initialized = false;
|
|
|
|
// Now request some new advertisements.
|
|
this.requestAds();
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Handles callbacks after an ad event was invoked.
|
|
*/
|
|
handleEventListeners(event) {
|
|
if (typeof this.events[event] !== 'undefined') {
|
|
this.events[event].call(this);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Add event listeners
|
|
* @param {string} event - Event type
|
|
* @param {function} callback - Callback for when event occurs
|
|
*/
|
|
on(event, callback) {
|
|
this.events[event] = callback;
|
|
return this;
|
|
}
|
|
|
|
/**
|
|
* Setup a safety timer for when the ad network doesn't respond for
|
|
* whatever reason. The advertisement has 12 seconds to get its things
|
|
* together. We stop this timer when the advertisement is playing, or when
|
|
* a user action is required to start, then we clear the timer on ad ready.
|
|
* @param {Number} time
|
|
* @param {String} from
|
|
*/
|
|
startSafetyTimer(time, from) {
|
|
this.player.debug.log(`[${(Date.now() - this.time) / 1000}s][IMA SDK]`, `Safety timer invoked timer from: ${from}`);
|
|
this.safetyTimer = window.setTimeout(() => {
|
|
this.cancel();
|
|
this.clearSafetyTimer('startSafetyTimer()');
|
|
}, time);
|
|
}
|
|
|
|
/**
|
|
* Clear our safety timer(s).
|
|
* @param {String} from
|
|
*/
|
|
clearSafetyTimer(from) {
|
|
if (typeof this.safetyTimer !== 'undefined' && this.safetyTimer !== null) {
|
|
this.player.debug.log(`[${(Date.now() - this.time) / 1000}s][IMA SDK]`, `Safety timer cleared timer from: ${from}`);
|
|
clearTimeout(this.safetyTimer);
|
|
this.safetyTimer = undefined;
|
|
}
|
|
}
|
|
}
|
|
|
|
export default Ads;
|
|
|