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Formatting, events and ad countdown added

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This commit is contained in:
Sam Potts
2018-01-22 23:15:10 +11:00
parent 1dd5c9efd9
commit 5671235fd9
11 changed files with 199 additions and 113 deletions
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220
src/js/plugins/ads.js
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@ -38,13 +38,16 @@ class Ads {
* Get the ads instance ready.
*/
ready() {
this.adsContainer = null;
this.adDisplayContainer = null;
this.adsManager = null;
this.adsLoader = null;
this.adsCuePoints = null;
this.elements = {
container: null,
displayContainer: null,
};
this.manager = null;
this.loader = null;
this.cuePoints = null;
this.events = {};
this.safetyTimer = null;
this.countdownTimer = null;
// Set listeners on the Plyr instance
this.listeners();
@ -54,21 +57,17 @@ class Ads {
this.startSafetyTimer(12000, 'ready()');
// Setup a simple promise to resolve if the IMA loader is ready
this.adsLoaderPromise = new Promise(resolve => {
this.loaderPromise = new Promise(resolve => {
this.on('ADS_LOADER_LOADED', () => resolve());
});
this.adsLoaderPromise.then(() => {
this.player.debug.log('Ads loader resolved!', this.adsLoader);
});
// Setup a promise to resolve if the IMA manager is ready
this.adsManagerPromise = new Promise(resolve => {
this.managerPromise = new Promise(resolve => {
this.on('ADS_MANAGER_LOADED', () => resolve());
});
this.adsManagerPromise.then(() => {
this.player.debug.log('Ads manager resolved!', this.adsManager);
// Clear the safety timer
// Clear the safety timer
this.managerPromise.then(() => {
this.clearSafetyTimer('onAdsManagerLoaded()');
});
@ -86,23 +85,21 @@ class Ads {
*/
setupIMA() {
// Create the container for our advertisements
this.adsContainer = utils.createElement('div', {
this.elements.container = utils.createElement('div', {
class: this.player.config.classNames.ads,
'data-badge-text': this.player.config.i18n.advertisement,
hidden: '',
});
this.player.elements.container.appendChild(this.adsContainer);
this.player.elements.container.appendChild(this.elements.container);
// 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');
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.adDisplayContainer = new google.ima.AdDisplayContainer(this.adsContainer);
this.elements.displayContainer = new google.ima.AdDisplayContainer(this.elements.container);
// Request video ads to be pre-loaded
this.requestAds();
@ -116,27 +113,27 @@ class Ads {
try {
// Create ads loader
this.adsLoader = new google.ima.AdsLoader(this.adDisplayContainer);
this.loader = new google.ima.AdsLoader(this.elements.displayContainer);
// Listen and respond to ads loaded and error events
this.adsLoader.addEventListener(google.ima.AdsManagerLoadedEvent.Type.ADS_MANAGER_LOADED, event => this.onAdsManagerLoaded(event), false);
this.adsLoader.addEventListener(google.ima.AdErrorEvent.Type.AD_ERROR, error => this.onAdError(error), false);
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 adsRequest = new google.ima.AdsRequest();
adsRequest.adTagUrl = this.player.config.ads.tagUrl;
const request = new google.ima.AdsRequest();
request.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;
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.
adsRequest.forceNonLinearFullSlot = false;
request.forceNonLinearFullSlot = false;
this.adsLoader.requestAds(adsRequest);
this.loader.requestAds(request);
this.handleEventListeners('ADS_LOADER_LOADED');
} catch (e) {
@ -144,6 +141,25 @@ class Ads {
}
}
/**
* Update the ad countdown
* @param {boolean} start
*/
pollCountdown(start = false) {
if (!start) {
window.clearInterval(this.countdownTimer);
this.elements.container.removeAttribute('data-badge-text');
}
const update = () => {
const time = utils.formatTime(this.manager.getRemainingTime());
const text = this.player.config.i18n.adCountdown.replace('{countdown}', time);
this.elements.container.setAttribute('data-badge-text', text);
};
this.countdownTimer = window.setInterval(update, 500);
}
/**
* This method is called whenever the ads are ready inside the AdDisplayContainer
* @param {Event} adsManagerLoadedEvent
@ -158,33 +174,42 @@ class Ads {
// 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(this.player, settings);
this.manager = adsManagerLoadedEvent.getAdsManager(this.player, settings);
// Get the cue points for any mid-rolls by filtering out the pre- and post-roll
this.adsCuePoints = this.adsManager.getCuePoints();
this.cuePoints = this.manager.getCuePoints();
// Add advertisement cue's within the time line if available
this.adsCuePoints.forEach(cuePoint => {
this.cuePoints.forEach(cuePoint => {
if (cuePoint !== 0 && cuePoint !== -1) {
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.adsManager.addEventListener(google.ima.AdErrorEvent.Type.AD_ERROR, error => this.onAdError(error));
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.adsManager.addEventListener(google.ima.AdEvent.Type[type], event => this.onAdEvent(event));
this.manager.addEventListener(google.ima.AdEvent.Type[type], event => this.onAdEvent(event));
});
// Resolve our adsManager
@ -194,25 +219,52 @@ class Ads {
/**
* 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;
// Listen for events if debugging
this.player.debug.log(`Ads event: ${event.type}`);
// Retrieve the ad from the event. Some events (e.g. ALL_ADS_COMPLETED)
// don't have ad object associated
const ad = event.getAd();
// Proxy event
const dispatchEvent = type => {
utils.dispatchEvent.call(this.player, this.player.media, `ads${type}`);
};
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.handleEventListeners('LOADED');
// Bubble event
dispatchEvent('loaded');
// 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
this.handleEventListeners('ALL_ADS_COMPLETED');
// Todo: Example for what happens when a next video in a playlist would be loaded.
// Fire event
dispatchEvent('allcomplete');
// 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.
@ -232,7 +284,7 @@ class Ads {
// '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
// 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();
@ -243,7 +295,9 @@ class Ads {
// 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
this.handleEventListeners('CONTENT_PAUSE_REQUESTED');
dispatchEvent('contentpause');
this.pauseContent();
break;
case google.ima.AdEvent.Type.CONTENT_RESUME_REQUESTED:
@ -252,22 +306,31 @@ class Ads {
// Fired when content should be resumed. This usually happens when an ad finishes
// or collapses
this.handleEventListeners('CONTENT_RESUME_REQUESTED');
dispatchEvent('contentresume');
this.resumeContent();
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.handleEventListeners('LOADED');
case google.ima.AdEvent.Type.STARTED:
dispatchEvent('started');
break;
if (!ad.isLinear()) {
// Position AdDisplayContainer correctly for overlay
ad.width = container.offsetWidth;
ad.height = container.offsetHeight;
}
case google.ima.AdEvent.Type.MIDPOINT:
dispatchEvent('midpoint');
break;
// console.info('Ad type: ' + event.getAd().getAdPodInfo().getPodIndex());
// console.info('Ad time: ' + event.getAd().getAdPodInfo().getTimeOffset());
case google.ima.AdEvent.Type.COMPLETE:
dispatchEvent('complete');
// End countdown
this.pollCountdown();
break;
case google.ima.AdEvent.Type.IMPRESSION:
dispatchEvent('impression');
break;
case google.ima.AdEvent.Type.CLICK:
dispatchEvent('click');
break;
default:
@ -295,7 +358,7 @@ class Ads {
// Add listeners to the required events
this.player.on('ended', () => {
this.adsLoader.contentComplete();
this.loader.contentComplete();
});
this.player.on('seeking', () => {
@ -306,17 +369,18 @@ class Ads {
this.player.on('seeked', () => {
const seekedTime = this.player.currentTime;
this.adsCuePoints.forEach((cuePoint, index) => {
this.cuePoints.forEach((cuePoint, index) => {
if (time < cuePoint && cuePoint < seekedTime) {
this.adsManager.discardAdBreak();
this.adsCuePoints.splice(index, 1);
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.adsManager.resize(container.offsetWidth, container.offsetHeight, google.ima.ViewMode.NORMAL);
this.manager.resize(container.offsetWidth, container.offsetHeight, google.ima.ViewMode.NORMAL);
});
}
@ -326,23 +390,23 @@ class Ads {
play() {
const { container } = this.player.elements;
if (!this.adsManagerPromise) {
if (!this.managerPromise) {
return;
}
// Play the requested advertisement whenever the adsManager is ready
this.adsManagerPromise.then(() => {
this.managerPromise.then(() => {
// Initialize the container. Must be done via a user action on mobile devices
this.adDisplayContainer.initialize();
this.elements.displayContainer.initialize();
try {
if (!this.initialized) {
// Initialize the ads manager. Ad rules playlist will start at this time
this.adsManager.init(container.offsetWidth, container.offsetHeight, google.ima.ViewMode.NORMAL);
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.adsManager.start();
this.manager.start();
}
this.initialized = true;
@ -358,10 +422,8 @@ class Ads {
* Resume our video.
*/
resumeContent() {
this.player.debug.log('Resume video');
// Hide our ad container
utils.toggleHidden(this.adsContainer, true);
utils.toggleHidden(this.elements.container, true);
// Ad is stopped
this.playing = false;
@ -376,10 +438,8 @@ class Ads {
* Pause our video
*/
pauseContent() {
this.player.debug.log('Pause video');
// Show our ad container.
utils.toggleHidden(this.adsContainer, false);
utils.toggleHidden(this.elements.container, false);
// Ad is playing.
this.playing = true;
@ -395,8 +455,6 @@ class Ads {
* media-ads/docs/sdks/android/faq#8
*/
cancel() {
this.player.debug.warn('Ad cancelled');
// Pause our video
this.resumeContent();
@ -412,16 +470,16 @@ class Ads {
*/
loadAds() {
// Tell our adsManager to go bye bye
this.adsManagerPromise.then(() => {
this.managerPromise.then(() => {
// Destroy our adsManager
if (this.adsManager) {
this.adsManager.destroy();
if (this.manager) {
this.manager.destroy();
}
// Re-set our adsManager promises
this.adsManagerPromise = new Promise(resolve => {
this.managerPromise = new Promise(resolve => {
this.on('ADS_MANAGER_LOADED', () => resolve());
this.player.debug.log(this.adsManager);
this.player.debug.log(this.manager);
});
// Make sure we can re-call advertisements
@ -437,7 +495,7 @@ class Ads {
* @param {string} event - Event type
*/
handleEventListeners(event) {
if (typeof this.events[event] !== 'undefined') {
if (utils.is.function(this.events[event])) {
this.events[event].call(this);
}
}
@ -458,11 +516,12 @@ class Ads {
* 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
* @param {number} time
* @param {string} from
*/
startSafetyTimer(time, from) {
this.player.debug.log(`Safety timer invoked from: ${from}`);
this.safetyTimer = window.setTimeout(() => {
this.cancel();
this.clearSafetyTimer('startSafetyTimer()');
@ -471,13 +530,14 @@ class Ads {
/**
* Clear our safety timer(s)
* @param {String} from
* @param {string} from
*/
clearSafetyTimer(from) {
if (typeof this.safetyTimer !== 'undefined' && this.safetyTimer !== null) {
if (!utils.is.nullOrUndefined(this.safetyTimer)) {
this.player.debug.log(`Safety timer cleared from: ${from}`);
clearTimeout(this.safetyTimer);
this.safetyTimer = undefined;
this.safetyTimer = null;
}
}
}