488 lines
21 KiB
JavaScript
488 lines
21 KiB
JavaScript
import utils from '../utils';
|
|
|
|
// Events are different on various devices. We set the correct events, based on userAgent.
|
|
const getStartEvents = () => {
|
|
let events = ['click'];
|
|
|
|
// TODO: Detecting touch is tricky, we should look at other ways?
|
|
// For mobile users the start event will be one of
|
|
// touchstart, touchend and touchmove.
|
|
if (navigator.userAgent.match(/iPhone/i) || navigator.userAgent.match(/iPad/i) || navigator.userAgent.match(/Android/i)) {
|
|
events = [
|
|
'touchstart',
|
|
'touchend',
|
|
'touchmove',
|
|
];
|
|
}
|
|
|
|
return events;
|
|
};
|
|
|
|
export default class Ads {
|
|
constructor(player) {
|
|
this.player = player;
|
|
|
|
// Check if a tag URL is provided.
|
|
if (!utils.is.url(player.config.ads.tagUrl)) {
|
|
return this;
|
|
}
|
|
|
|
// Check if the Google IMA3 SDK is loaded
|
|
if (!utils.is.object(window.google)) {
|
|
utils.loadScript(player.config.urls.googleIMA.api, () => {
|
|
this.ready();
|
|
});
|
|
} else {
|
|
this.ready();
|
|
}
|
|
}
|
|
|
|
ready() {
|
|
this.time = Date.now();
|
|
this.startEvents = getStartEvents();
|
|
this.adDisplayContainer = null;
|
|
this.adDisplayElement = null;
|
|
this.adsManager = null;
|
|
this.adsLoader = null;
|
|
this.adsCuePoints = null;
|
|
this.currentAd = null;
|
|
this.events = {};
|
|
this.safetyTimer = null;
|
|
this.videoElement = document.createElement('video');
|
|
|
|
// Setup a simple promise to resolve if the IMA loader is ready.
|
|
this.adsLoaderResolve = () => {};
|
|
this.adsLoaderPromise = new Promise((resolve) => {
|
|
this.adsLoaderResolve = resolve;
|
|
});
|
|
this.adsLoaderPromise.then(() => {
|
|
this.player.debug.log(`[${(Date.now() - this.time) / 1000}s][IMA SDK] adsLoader resolved!`, this.adsLoader);
|
|
});
|
|
|
|
// Setup a promise to resolve if the IMA manager is ready.
|
|
this.adsManagerResolve = () => {};
|
|
this.adsManagerPromise = new Promise((resolve) => {
|
|
// Resolve our promise.
|
|
this.adsManagerResolve = resolve;
|
|
});
|
|
this.adsManagerPromise.then(() => {
|
|
// Clear the safety timer.
|
|
this.clearSafetyTimer('onAdsManagerLoaded()');
|
|
this.player.debug.log(`[${(Date.now() - this.time) / 1000}s][IMA SDK] adsManager resolved!`, this.adsManager);
|
|
});
|
|
|
|
// Start ticking our safety timer. If the whole advertisement
|
|
// thing doesn't resolve within our set time; we bail.
|
|
this.startSafetyTimer(12000, 'ready()');
|
|
|
|
// Setup the ad display container.
|
|
this.setupAdDisplayContainer();
|
|
|
|
// Setup the IMA SDK.
|
|
this.setupIMA();
|
|
|
|
// Set listeners on the Plyr instance.
|
|
this.setupListeners();
|
|
}
|
|
|
|
setupIMA() {
|
|
const { container } = this.player.elements;
|
|
|
|
// Create ads loader.
|
|
this.adsLoader = new window.google.ima.AdsLoader(this.adDisplayContainer, this.videoElement);
|
|
|
|
// Tell the adsLoader we are handling ad breaks manually.
|
|
this.adsLoader.getSettings().setAutoPlayAdBreaks(false);
|
|
|
|
// Listen and respond to ads loaded and error events.
|
|
this.adsLoader.addEventListener(window.google.ima.AdsManagerLoadedEvent.Type.ADS_MANAGER_LOADED, event => this.onAdsManagerLoaded(event), false);
|
|
this.adsLoader.addEventListener(window.google.ima.AdErrorEvent.Type.AD_ERROR, error => this.onAdError(error), false);
|
|
|
|
// Request video ads.
|
|
const adsRequest = new window.google.ima.AdsRequest();
|
|
adsRequest.adTagUrl = this.player.config.ads.tagUrl;
|
|
|
|
// Specify the linear and nonlinear slot sizes. This helps the SDK to
|
|
// select the correct creative if multiple are returned.
|
|
adsRequest.linearAdSlotWidth = container.offsetWidth;
|
|
adsRequest.linearAdSlotHeight = container.offsetHeight;
|
|
adsRequest.nonLinearAdSlotWidth = container.offsetWidth;
|
|
adsRequest.nonLinearAdSlotHeight = container.offsetHeight;
|
|
|
|
this.adsLoader.requestAds(adsRequest);
|
|
|
|
this.adsLoaderResolve();
|
|
}
|
|
|
|
onAdsManagerLoaded(adsManagerLoadedEvent) {
|
|
const { videoElement } = this;
|
|
|
|
// Get the ads manager.
|
|
const settings = new window.google.ima.AdsRenderingSettings();
|
|
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.adsManager = adsManagerLoadedEvent.getAdsManager(videoElement, settings);
|
|
|
|
// Get the cue points for any mid-rolls by filtering out the pre- and post-roll.
|
|
this.adsCuePoints = this.adsManager.getCuePoints().filter(x => x > 0 && x !== -1);
|
|
|
|
// Add listeners to the required events.
|
|
this.adsManager.addEventListener(window.google.ima.AdErrorEvent.Type.AD_ERROR, error => this.onAdError(error));
|
|
this.adsManager.addEventListener(window.google.ima.AdEvent.Type.CONTENT_PAUSE_REQUESTED, event => this.onAdEvent(event));
|
|
this.adsManager.addEventListener(window.google.ima.AdEvent.Type.CONTENT_RESUME_REQUESTED, event => this.onAdEvent(event));
|
|
this.adsManager.addEventListener(window.google.ima.AdEvent.Type.ALL_ADS_COMPLETED, event => this.onAdEvent(event));
|
|
this.adsManager.addEventListener(window.google.ima.AdEvent.Type.AD_BREAK_READY, event => this.onAdEvent(event));
|
|
|
|
// Listen to any additional events, if necessary.
|
|
this.adsManager.addEventListener(window.google.ima.AdEvent.Type.LOADED, event => this.onAdEvent(event));
|
|
this.adsManager.addEventListener(window.google.ima.AdEvent.Type.STARTED, event => this.onAdEvent(event));
|
|
this.adsManager.addEventListener(window.google.ima.AdEvent.Type.COMPLETE, event => this.onAdEvent(event));
|
|
|
|
// Resolve our adsManager.
|
|
this.adsManagerResolve();
|
|
}
|
|
|
|
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();
|
|
|
|
// Set the currently played ad. This information could be used by callback
|
|
// events.
|
|
this.currentAd = ad;
|
|
|
|
// let intervalTimer;
|
|
|
|
switch (event.type) {
|
|
|
|
case google.ima.AdEvent.Type.AD_BREAK_READY:
|
|
// This event indicates that a mid-roll ad is ready to start.
|
|
// We pause the player and tell the adsManager to start playing the ad.
|
|
this.player.debug.log(`[${(Date.now() - this.time) / 1000}s][IMA SDK] AD_BREAK_READY |`, 'Fired when an ad rule or a VMAP ad break would have played if autoPlayAdBreaks is false.');
|
|
|
|
this.player.pause();
|
|
|
|
this.adsManager.start();
|
|
|
|
this.handleEventListeners('AD_BREAK_READY');
|
|
break;
|
|
case google.ima.AdEvent.Type.AD_METADATA:
|
|
this.player.debug.log(`[${(Date.now() - this.time) / 1000}s][IMA SDK] AD_METADATA |`, 'Fired when an ads list is loaded.');
|
|
break;
|
|
case google.ima.AdEvent.Type.ALL_ADS_COMPLETED:
|
|
this.player.debug.log(`[${(Date.now() - this.time) / 1000}s][IMA SDK] ALL_ADS_COMPLETED |`, 'Fired when the ads manager is done playing all the ads.');
|
|
this.handleEventListeners('ALL_ADS_COMPLETED');
|
|
break;
|
|
case google.ima.AdEvent.Type.CLICK:
|
|
this.player.debug.log(`[${(Date.now() - this.time) / 1000}s][IMA SDK] CLICK |`, 'Fired when the ad is clicked.');
|
|
break;
|
|
case google.ima.AdEvent.Type.COMPLETE:
|
|
// This event indicates the ad has finished - the video player
|
|
// can perform appropriate UI actions, such as removing the timer for
|
|
// remaining time detection.
|
|
// clearInterval(intervalTimer);
|
|
this.player.debug.log(`[${(Date.now() - this.time) / 1000}s][IMA SDK] COMPLETE |`, 'Fired when the ad completes playing.');
|
|
|
|
this.handleEventListeners('COMPLETE');
|
|
|
|
this.adDisplayElement.style.display = 'none';
|
|
|
|
if (this.player.currentTime < this.player.duration) {
|
|
this.player.play();
|
|
}
|
|
break;
|
|
case window.google.ima.AdEvent.Type.CONTENT_PAUSE_REQUESTED:
|
|
this.player.debug.log(`[${(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.');
|
|
|
|
this.handleEventListeners('CONTENT_PAUSE_REQUESTED');
|
|
break;
|
|
|
|
case window.google.ima.AdEvent.Type.CONTENT_RESUME_REQUESTED:
|
|
this.player.debug.log(`[${(Date.now() - this.time) / 1000}s][IMA SDK] CONTENT_RESUME_REQUESTED |`, 'Fired when content should be resumed. This usually happens when an ad finishes or collapses.');
|
|
|
|
this.handleEventListeners('CONTENT_RESUME_REQUESTED');
|
|
break;
|
|
case google.ima.AdEvent.Type.LOADED:
|
|
// This is the first event sent for an ad - it is possible to
|
|
// determine whether the ad is a video ad or an overlay.
|
|
this.player.debug.log(`[${(Date.now() - this.time) / 1000}s][IMA SDK] LOADED |`, event.getAd().getContentType());
|
|
|
|
// Show the ad display element.
|
|
this.adDisplayElement.style.display = 'block';
|
|
|
|
this.handleEventListeners('LOADED');
|
|
|
|
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.STARTED:
|
|
// This event indicates the ad has started - the video player
|
|
// can adjust the UI, for example display a pause button and
|
|
// remaining time.
|
|
this.player.debug.log(`[${(Date.now() - this.time) / 1000}s][IMA SDK] STARTED |`, 'Fired when the ad starts playing.');
|
|
|
|
this.player.pause();
|
|
this.handleEventListeners('STARTED');
|
|
break;
|
|
case google.ima.AdEvent.Type.DURATION_CHANGE:
|
|
this.player.debug.log(`[${(Date.now() - this.time) / 1000}s][IMA SDK] DURATION_CHANGE |`, 'Fired when the ad\'s duration changes.');
|
|
break;
|
|
case google.ima.AdEvent.Type.FIRST_QUARTILE:
|
|
this.player.debug.log(`[${(Date.now() - this.time) / 1000}s][IMA SDK] FIRST_QUARTILE |`, 'Fired when the ad playhead crosses first quartile.');
|
|
break;
|
|
case google.ima.AdEvent.Type.IMPRESSION:
|
|
this.player.debug.log(`[${(Date.now() - this.time) / 1000}s][IMA SDK] IMPRESSION |`, 'Fired when the impression URL has been pinged.');
|
|
break;
|
|
case google.ima.AdEvent.Type.INTERACTION:
|
|
this.player.debug.log(`[${(Date.now() - this.time) / 1000}s][IMA SDK] INTERACTION |`, 'Fired when an ad triggers the interaction callback. Ad interactions contain an interaction ID string in the ad data.');
|
|
break;
|
|
case google.ima.AdEvent.Type.LINEAR_CHANGED:
|
|
this.player.debug.log(`[${(Date.now() - this.time) / 1000}s][IMA SDK] LINEAR_CHANGED |`, 'Fired when the displayed ad changes from linear to nonlinear, or vice versa.');
|
|
break;
|
|
case google.ima.AdEvent.Type.MIDPOINT:
|
|
this.player.debug.log(`[${(Date.now() - this.time) / 1000}s][IMA SDK] MIDPOINT |`, 'Fired when the ad playhead crosses midpoint.');
|
|
break;
|
|
case google.ima.AdEvent.Type.PAUSED:
|
|
this.player.debug.log(`[${(Date.now() - this.time) / 1000}s][IMA SDK] PAUSED |`, 'Fired when the ad is paused.');
|
|
break;
|
|
case google.ima.AdEvent.Type.RESUMED:
|
|
this.player.debug.log(`[${(Date.now() - this.time) / 1000}s][IMA SDK] RESUMED |`, 'Fired when the ad is resumed.');
|
|
break;
|
|
case google.ima.AdEvent.Type.SKIPPABLE_STATE_CHANGED:
|
|
this.player.debug.log(`[${(Date.now() - this.time) / 1000}s][IMA SDK] SKIPPABLE_STATE_CHANGED |`, 'Fired when the displayed ads skippable state is changed.');
|
|
break;
|
|
case google.ima.AdEvent.Type.SKIPPED:
|
|
this.player.debug.log(`[${(Date.now() - this.time) / 1000}s][IMA SDK] SKIPPED |`, 'Fired when the ad is skipped by the user.');
|
|
break;
|
|
case google.ima.AdEvent.Type.THIRD_QUARTILE:
|
|
this.player.debug.log(`[${(Date.now() - this.time) / 1000}s][IMA SDK] THIRD_QUARTILE |`, 'Fired when the ad playhead crosses third quartile.');
|
|
break;
|
|
case google.ima.AdEvent.Type.USER_CLOSE:
|
|
this.player.debug.log(`[${(Date.now() - this.time) / 1000}s][IMA SDK] USER_CLOSE |`, 'Fired when the ad is closed by the user.');
|
|
break;
|
|
case google.ima.AdEvent.Type.VOLUME_CHANGED:
|
|
this.player.debug.log(`[${(Date.now() - this.time) / 1000}s][IMA SDK] VOLUME_CHANGED |`, 'Fired when the ad volume has changed.');
|
|
break;
|
|
case google.ima.AdEvent.Type.VOLUME_MUTED:
|
|
this.player.debug.log(`[${(Date.now() - this.time) / 1000}s][IMA SDK] VOLUME_MUTED |`, 'Fired when the ad volume has been muted.');
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
onAdError(adErrorEvent) {
|
|
this.cancel();
|
|
|
|
if (this.player.debug) {
|
|
throw new Error(adErrorEvent);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Destroy the adsManager so we can grab new ads after this.
|
|
* If we don't then we're not allowed to call new ads based
|
|
* on google policies, as they interpret this as an accidental
|
|
* video requests. https://developers.google.com/interactive-
|
|
* media-ads/docs/sdks/android/faq#8
|
|
*/
|
|
cancel() {
|
|
this.player.debug.warn(`[${(Date.now() - this.time) / 1000}s][IMA SDK]`, 'Advertisement cancelled.');
|
|
|
|
// Todo: Removing the ad container might be problematic if we were to recreate the adsManager. Think of playlists. Every new video you need to request a new VAST xml and preload the advertisement.
|
|
this.adDisplayElement.remove();
|
|
|
|
// Tell our adsManager to go bye bye.
|
|
this.adsManagerPromise.then(() => {
|
|
if (this.adsManager) {
|
|
this.adsManager.destroy();
|
|
}
|
|
});
|
|
}
|
|
|
|
setupAdDisplayContainer() {
|
|
const { container } = this.player.elements;
|
|
|
|
// So we can run VPAID2.
|
|
google.ima.settings.setVpaidMode(google.ima.ImaSdkSettings.VpaidMode.ENABLED);
|
|
|
|
// Set language.
|
|
// Todo: Could make a config option out of this locale value.
|
|
google.ima.settings.setLocale('en');
|
|
|
|
// We assume the adContainer is the video container of the plyr element
|
|
// that will house the ads.
|
|
this.adDisplayContainer = new window.google.ima.AdDisplayContainer(container);
|
|
|
|
this.adDisplayElement = container.firstChild;
|
|
|
|
// The AdDisplayContainer call from google IMA sets the style attribute
|
|
// by default. We remove the inline style and set it through the stylesheet.
|
|
this.adDisplayElement.removeAttribute('style');
|
|
|
|
// Set class name on the adDisplayContainer element.
|
|
this.adDisplayElement.setAttribute('class', this.player.config.classNames.ads);
|
|
|
|
// Play ads when clicked. Wait until the adsManager and adsLoader
|
|
// are both resolved.
|
|
Promise.all([
|
|
this.adsManagerPromise,
|
|
this.adsLoaderPromise,
|
|
]).then(() => {
|
|
this.setOnClickHandler(this.adDisplayElement, this.playAds);
|
|
});
|
|
}
|
|
|
|
playAds() {
|
|
const { container } = this.player.elements;
|
|
|
|
// Play the requested advertisement whenever the adsManager is ready.
|
|
this.adsManagerPromise.then(() => {
|
|
// Initialize the container. Must be done via a user action on mobile devices.
|
|
this.adDisplayContainer.initialize();
|
|
|
|
try {
|
|
// Initialize the ads manager. Ad rules playlist will start at this time.
|
|
this.adsManager.init(container.offsetWidth, container.offsetHeight, window.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.adsManager.start();
|
|
} catch (adError) {
|
|
// An error may be thrown if there was a problem with the VAST response.
|
|
this.player.play();
|
|
this.adDisplayElement.remove();
|
|
|
|
if (this.player.debug) {
|
|
throw new Error(adError);
|
|
}
|
|
}
|
|
});
|
|
}
|
|
|
|
/**
|
|
* 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.
|
|
*/
|
|
setupListeners() {
|
|
const { container } = this.player.elements;
|
|
let time;
|
|
|
|
// Add listeners to the required events.
|
|
this.player.on('ended', () => {
|
|
this.adsLoader.contentComplete();
|
|
});
|
|
|
|
this.player.on('timeupdate', event => {
|
|
const { currentTime } = event.detail.plyr;
|
|
this.videoElement.currentTime = Math.ceil(currentTime);
|
|
});
|
|
|
|
this.player.on('seeking', event => {
|
|
time = event.detail.plyr.currentTime;
|
|
return time;
|
|
});
|
|
|
|
this.player.on('seeked', event => {
|
|
const seekedTime = event.detail.plyr.currentTime;
|
|
|
|
this.adsCuePoints.forEach((cuePoint, index) => {
|
|
if (time < cuePoint && cuePoint < seekedTime) {
|
|
this.adsManager.discardAdBreak();
|
|
this.adsCuePoints.splice(index, 1);
|
|
}
|
|
});
|
|
});
|
|
|
|
// Listen to the resizing of the window. And resize ad accordingly.
|
|
window.addEventListener('resize', () => {
|
|
this.adsManager.resize(container.offsetWidth, container.offsetHeight, window.google.ima.ViewMode.NORMAL);
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Handles callbacks after an ad event was invoked.
|
|
*/
|
|
handleEventListeners(event) {
|
|
if (typeof this.events[event] !== 'undefined') {
|
|
this.events[event].call(this);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Set start event listener on a DOM element and triggers the
|
|
* callback when clicked.
|
|
* @param {element} element - The element on which to set the listener
|
|
* @param {function} callback - The callback which will be invoked once triggered.
|
|
*/
|
|
setOnClickHandler(element, callback) {
|
|
for (let i = 0; i < this.startEvents.length; i += 1) {
|
|
const startEvent = this.startEvents[i];
|
|
element.addEventListener(
|
|
startEvent,
|
|
event => {
|
|
if ((event.type === 'touchend' && startEvent === 'touchend') || event.type === 'click') {
|
|
callback.call(this);
|
|
}
|
|
},
|
|
{ once: true },
|
|
);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* 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;
|
|
}
|
|
|
|
/**
|
|
* startSafetyTimer
|
|
* Setup a safety timer for when the ad network
|
|
* doesn't respond for whatever reason. The advertisement has 12 seconds
|
|
* to get its shit 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
|
|
* @private
|
|
*/
|
|
startSafetyTimer(time, from) {
|
|
this.player.debug.log(`[${(Date.now() - this.time) / 1000}s][IMA SDK]`, `Safety timer invoked timer from: ${from}`);
|
|
this.safetyTimer = window.setTimeout(() => {
|
|
this.cancel();
|
|
this.clearSafetyTimer('startSafetyTimer()');
|
|
}, time);
|
|
}
|
|
|
|
/**
|
|
* clearSafetyTimer
|
|
* @param {String} from
|
|
* @private
|
|
*/
|
|
clearSafetyTimer(from) {
|
|
if (typeof this.safetyTimer !== 'undefined' && this.safetyTimer !== null) {
|
|
this.player.debug.log(`[${(Date.now() - this.time) / 1000}s][IMA SDK]`, `Safety timer cleared timer from: ${from}`);
|
|
clearTimeout(this.safetyTimer);
|
|
this.safetyTimer = undefined;
|
|
}
|
|
}
|
|
}
|