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Reformatted ads codebase and added/ changed comments. Also removed un-used events.

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This commit is contained in:
Arthur Hulsman
2018-01-18 12:26:53 +01:00
parent 31c8166562
commit d87ada4f58
1 changed files with 119 additions and 164 deletions
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283
src/js/plugins/ads.js
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@ -1,6 +1,14 @@
import utils from '../utils';
/**
* Advertisements using Google IMA HTML5 SDK.
*/
class Ads {
/**
* Ads constructor.
* @param {object} player
* @return {Ads}
*/
constructor(player) {
this.player = player;
this.playing = false;
@ -21,6 +29,9 @@ class Ads {
}
}
/**
* Get the ads instance ready.
*/
ready() {
this.time = Date.now();
this.adsContainer = null;
@ -28,7 +39,6 @@ class Ads {
this.adsManager = null;
this.adsLoader = null;
this.adsCuePoints = null;
this.currentAd = null;
this.events = {};
this.safetyTimer = null;
@ -44,7 +54,7 @@ class Ads {
this.on('ADS_LOADER_LOADED', () => resolve());
});
this.adsLoaderPromise.then(() => {
this.player.debug.log(`[${(Date.now() - this.time) / 1000}s][IMA SDK] adsLoader resolved!`, this.adsLoader);
this.player.debug.log('Ads loader resolved!', this.adsLoader);
});
// Setup a promise to resolve if the IMA manager is ready.
@ -52,7 +62,7 @@ class Ads {
this.on('ADS_MANAGER_LOADED', () => resolve());
});
this.adsManagerPromise.then(() => {
this.player.debug.log(`[${(Date.now() - this.time) / 1000}s][IMA SDK] adsManager resolved!`, this.adsManager);
this.player.debug.log('Ads manager resolved!', this.adsManager);
// Clear the safety timer.
this.clearSafetyTimer('onAdsManagerLoaded()');
@ -63,15 +73,12 @@ class Ads {
}
/**
* setupIMA
* 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.
* 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.
@ -136,8 +143,7 @@ class Ads {
}
/**
* This method is called whenever the ads are ready inside
* the AdDisplayContainer.
* This method is called whenever the ads are ready inside the AdDisplayContainer.
* @param {Event} adsManagerLoadedEvent
*/
onAdsManagerLoaded(adsManagerLoadedEvent) {
@ -159,7 +165,7 @@ class Ads {
this.adsCuePoints.forEach((cuePoint) => {
if (cuePoint !== 0 && cuePoint !== -1) {
const seekElement = this.player.elements.progress;
if(seekElement) {
if (seekElement) {
const cuePercentage = 100 / this.player.duration * cuePoint;
const cue = utils.createElement('span', {
class: this.player.config.classNames.cues,
@ -172,68 +178,80 @@ class Ads {
// Add listeners to the required events.
// Advertisement error events.
this.adsManager.addEventListener(google.ima.AdErrorEvent.Type.AD_ERROR, error => this.onAdError(error));
this.adsManager.addEventListener(google.ima.AdErrorEvent.Type.AD_ERROR,
error => this.onAdError(error));
// Advertisement regular events.
this.adsManager.addEventListener(google.ima.AdEvent.Type.AD_BREAK_READY, event => this.onAdEvent(event));
this.adsManager.addEventListener(google.ima.AdEvent.Type.AD_METADATA, event => this.onAdEvent(event));
this.adsManager.addEventListener(google.ima.AdEvent.Type.ALL_ADS_COMPLETED, event => this.onAdEvent(event));
this.adsManager.addEventListener(google.ima.AdEvent.Type.CLICK, event => this.onAdEvent(event));
this.adsManager.addEventListener(google.ima.AdEvent.Type.COMPLETE, event => this.onAdEvent(event));
this.adsManager.addEventListener(google.ima.AdEvent.Type.CONTENT_PAUSE_REQUESTED, event => this.onAdEvent(event));
this.adsManager.addEventListener(google.ima.AdEvent.Type.CONTENT_RESUME_REQUESTED, event => this.onAdEvent(event));
this.adsManager.addEventListener(google.ima.AdEvent.Type.LOADED, event => this.onAdEvent(event));
this.adsManager.addEventListener(google.ima.AdEvent.Type.STARTED, event => this.onAdEvent(event));
this.adsManager.addEventListener(google.ima.AdEvent.Type.DURATION_CHANGE, event => this.onAdEvent(event));
this.adsManager.addEventListener(google.ima.AdEvent.Type.FIRST_QUARTILE, event => this.onAdEvent(event));
this.adsManager.addEventListener(google.ima.AdEvent.Type.IMPRESSION, event => this.onAdEvent(event));
this.adsManager.addEventListener(google.ima.AdEvent.Type.INTERACTION, event => this.onAdEvent(event));
this.adsManager.addEventListener(google.ima.AdEvent.Type.LINEAR_CHANGED, event => this.onAdEvent(event));
this.adsManager.addEventListener(google.ima.AdEvent.Type.MIDPOINT, event => this.onAdEvent(event));
this.adsManager.addEventListener(google.ima.AdEvent.Type.PAUSED, event => this.onAdEvent(event));
this.adsManager.addEventListener(google.ima.AdEvent.Type.RESUMED, event => this.onAdEvent(event));
this.adsManager.addEventListener(google.ima.AdEvent.Type.SKIPPABLE_STATE_CHANGED, event => this.onAdEvent(event));
this.adsManager.addEventListener(google.ima.AdEvent.Type.SKIPPED, event => this.onAdEvent(event));
this.adsManager.addEventListener(google.ima.AdEvent.Type.THIRD_QUARTILE, event => this.onAdEvent(event));
this.adsManager.addEventListener(google.ima.AdEvent.Type.USER_CLOSE, event => this.onAdEvent(event));
this.adsManager.addEventListener(google.ima.AdEvent.Type.VOLUME_CHANGED, event => this.onAdEvent(event));
this.adsManager.addEventListener(google.ima.AdEvent.Type.VOLUME_MUTED, event => this.onAdEvent(event));
this.adsManager.addEventListener(google.ima.AdEvent.Type.AD_BREAK_READY,
event => this.onAdEvent(event));
this.adsManager.addEventListener(google.ima.AdEvent.Type.AD_METADATA,
event => this.onAdEvent(event));
this.adsManager.addEventListener(google.ima.AdEvent.Type.ALL_ADS_COMPLETED,
event => this.onAdEvent(event));
this.adsManager.addEventListener(google.ima.AdEvent.Type.CLICK,
event => this.onAdEvent(event));
this.adsManager.addEventListener(google.ima.AdEvent.Type.COMPLETE,
event => this.onAdEvent(event));
this.adsManager.addEventListener(google.ima.AdEvent.Type.CONTENT_PAUSE_REQUESTED,
event => this.onAdEvent(event));
this.adsManager.addEventListener(google.ima.AdEvent.Type.CONTENT_RESUME_REQUESTED,
event => this.onAdEvent(event));
this.adsManager.addEventListener(google.ima.AdEvent.Type.LOADED,
event => this.onAdEvent(event));
this.adsManager.addEventListener(google.ima.AdEvent.Type.STARTED,
event => this.onAdEvent(event));
this.adsManager.addEventListener(google.ima.AdEvent.Type.DURATION_CHANGE,
event => this.onAdEvent(event));
this.adsManager.addEventListener(google.ima.AdEvent.Type.FIRST_QUARTILE,
event => this.onAdEvent(event));
this.adsManager.addEventListener(google.ima.AdEvent.Type.IMPRESSION,
event => this.onAdEvent(event));
this.adsManager.addEventListener(google.ima.AdEvent.Type.INTERACTION,
event => this.onAdEvent(event));
this.adsManager.addEventListener(google.ima.AdEvent.Type.LINEAR_CHANGED,
event => this.onAdEvent(event));
this.adsManager.addEventListener(google.ima.AdEvent.Type.MIDPOINT,
event => this.onAdEvent(event));
this.adsManager.addEventListener(google.ima.AdEvent.Type.PAUSED,
event => this.onAdEvent(event));
this.adsManager.addEventListener(google.ima.AdEvent.Type.RESUMED,
event => this.onAdEvent(event));
this.adsManager.addEventListener(google.ima.AdEvent.Type.SKIPPABLE_STATE_CHANGED,
event => this.onAdEvent(event));
this.adsManager.addEventListener(google.ima.AdEvent.Type.SKIPPED,
event => this.onAdEvent(event));
this.adsManager.addEventListener(google.ima.AdEvent.Type.THIRD_QUARTILE,
event => this.onAdEvent(event));
this.adsManager.addEventListener(google.ima.AdEvent.Type.USER_CLOSE,
event => this.onAdEvent(event));
this.adsManager.addEventListener(google.ima.AdEvent.Type.VOLUME_CHANGED,
event => this.onAdEvent(event));
this.adsManager.addEventListener(google.ima.AdEvent.Type.VOLUME_MUTED,
event => this.onAdEvent(event));
// Resolve our adsManager.
this.handleEventListeners('ADS_MANAGER_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 ad
* object associated.
* 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.
* @param {Event} event
*/
onAdEvent(event) {
const { container } = this.player.elements;
// Listen for events if debugging.
this.player.debug.log(`ads event: ${event.type}`);
// Retrieve the ad from the event. Some events (e.g. ALL_ADS_COMPLETED)
// don't have ad object associated.
const ad = event.getAd();
// Set the currently played ad. This information could be used by callback
// events.
this.currentAd = ad;
// let intervalTimer;
switch (event.type) {
case google.ima.AdEvent.Type.AD_BREAK_READY:
this.player.debug.log(`[${(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.');
break;
case google.ima.AdEvent.Type.AD_METADATA:
this.player.debug.log(`[${(Date.now() - this.time) / 1000}s][IMA SDK] AD_METADATA |`, 'Fired when an ads list is loaded.');
break;
case google.ima.AdEvent.Type.ALL_ADS_COMPLETED:
// All ads for the current videos are done. We can now
// request new advertisements in case the video is re-played.
this.player.debug.log(`[${(Date.now() - this.time) / 1000}s][IMA SDK] ALL_ADS_COMPLETED |`, 'Fired when the ads manager is done playing all the ads.');
// 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.
@ -246,57 +264,39 @@ class Ads {
// 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',
// },
// ],
// 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.
// 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.CLICK:
this.player.debug.log(`[${(Date.now() - this.time) / 1000}s][IMA SDK] CLICK |`, 'Fired when the ad is clicked.');
break;
case google.ima.AdEvent.Type.COMPLETE:
this.player.debug.log(`[${(Date.now() - this.time) / 1000}s][IMA SDK] COMPLETE |`, 'Fired when the ad completes playing.');
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.
this.player.debug.log(`[${(Date.now() - this.time) / 1000}s][IMA SDK] CONTENT_PAUSE_REQUESTED |`, 'Fired when content should be paused. This usually happens right before an ad is about to cover the content.');
// This event indicates the ad has started - the video player can adjust the UI,
// for example display a pause button and remaining time. Fired when content should
// be paused. This usually happens right before an ad is about to cover the content.
this.handleEventListeners('CONTENT_PAUSE_REQUESTED');
this.contentPause();
this.pause();
break;
case google.ima.AdEvent.Type.CONTENT_RESUME_REQUESTED:
// This event indicates the ad has finished - the video player
// can perform appropriate UI actions, such as removing the timer for
// remaining time detection.
this.player.debug.log(`[${(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 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.
this.handleEventListeners('CONTENT_RESUME_REQUESTED');
this.contentResume();
this.resume();
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(`[${(Date.now() - this.time) / 1000}s][IMA SDK] LOADED |`, event.getAd().getContentType());
// This is the first event sent for an ad - it is possible to determine whether the
// ad is a video ad or an overlay.
this.handleEventListeners('LOADED');
if (!ad.isLinear()) {
@ -308,51 +308,6 @@ class Ads {
// console.info('Ad type: ' + event.getAd().getAdPodInfo().getPodIndex());
// console.info('Ad time: ' + event.getAd().getAdPodInfo().getTimeOffset());
break;
case google.ima.AdEvent.Type.STARTED:
this.player.debug.log(`[${(Date.now() - this.time) / 1000}s][IMA SDK] STARTED |`, 'Fired when the ad starts playing.');
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;
@ -365,7 +320,7 @@ class Ads {
*/
onAdError(adErrorEvent) {
this.cancel();
this.player.debug.log(`[${(Date.now() - this.time) / 1000}s][IMA SDK] ERROR |`, adErrorEvent);
this.player.debug.log('Ads error.', adErrorEvent);
}
/**
@ -400,7 +355,8 @@ class Ads {
// Listen to the resizing of the window. And resize ad accordingly.
window.addEventListener('resize', () => {
this.adsManager.resize(container.offsetWidth, container.offsetHeight, google.ima.ViewMode.NORMAL);
this.adsManager.resize(container.offsetWidth, container.offsetHeight,
google.ima.ViewMode.NORMAL);
});
}
@ -419,7 +375,8 @@ class Ads {
if (!this.initialized) {
// Initialize the ads manager. Ad rules playlist will start at this time.
this.adsManager.init(container.offsetWidth, container.offsetHeight, google.ima.ViewMode.NORMAL);
this.adsManager.init(container.offsetWidth, container.offsetHeight,
google.ima.ViewMode.NORMAL);
// Call play to start showing the ad. Single video and overlay ads will
// start at this time; the call will be ignored for ad rules.
@ -438,8 +395,8 @@ class Ads {
/**
* Resume our video.
*/
contentResume() {
this.player.debug.log(`[${(Date.now() - this.time) / 1000}s][IMA SDK]`, 'Resume video.');
resume() {
this.player.debug.log('Resume video.');
// Hide our ad container.
this.adsContainer.style.display = 'none';
@ -456,8 +413,8 @@ class Ads {
/**
* Pause our video.
*/
contentPause() {
this.player.debug.log(`[${(Date.now() - this.time) / 1000}s][IMA SDK]`, 'Pause video.');
pause() {
this.player.debug.log('Pause video.');
// Show our ad container.
this.adsContainer.style.display = 'block';
@ -470,17 +427,16 @@ class Ads {
}
/**
* Destroy the adsManager so we can grab new ads after this.
* If we don't then we're not allowed to call new ads based
* on google policies, as they interpret this as an accidental
* Destroy the adsManager so we can grab new ads after this. If we don't then we're not
* allowed to call new ads based on google policies, as they interpret this as an accidental
* video requests. https://developers.google.com/interactive-
* media-ads/docs/sdks/android/faq#8
*/
cancel() {
this.player.debug.warn(`[${(Date.now() - this.time) / 1000}s][IMA SDK]`, 'Advertisement cancelled.');
this.player.debug.warn('Ad cancelled.');
// Pause our video.
this.contentResume();
this.resume();
// Tell our instance that we're done for now.
this.handleEventListeners('ERROR');
@ -493,8 +449,6 @@ class Ads {
* Re-create our adsManager.
*/
loadAds() {
this.player.debug.log(`[${(Date.now() - this.time) / 1000}s][IMA SDK]`, 'Re-loading advertisements.');
// Tell our adsManager to go bye bye.
this.adsManagerPromise.then(() => {
// Destroy our adsManager.
@ -505,7 +459,7 @@ class Ads {
// Re-set our adsManager promises.
this.adsManagerPromise = new Promise((resolve) => {
this.on('ADS_MANAGER_LOADED', () => resolve());
this.player.debug.log(`[${(Date.now() - this.time) / 1000}s][IMA SDK] adsManager resolved!`, this.adsManager);
this.player.debug.log(this.adsManager);
});
// Make sure we can re-call advertisements.
@ -518,6 +472,7 @@ class Ads {
/**
* Handles callbacks after an ad event was invoked.
* @param {string} event - Event type
*/
handleEventListeners(event) {
if (typeof this.events[event] !== 'undefined') {
@ -529,6 +484,7 @@ class Ads {
* Add event listeners
* @param {string} event - Event type
* @param {function} callback - Callback for when event occurs
* @return {Ads}
*/
on(event, callback) {
this.events[event] = callback;
@ -536,15 +492,15 @@ class Ads {
}
/**
* 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.
* 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.player.debug.log(`Safety timer invoked from: ${from}.`);
this.safetyTimer = window.setTimeout(() => {
this.cancel();
this.clearSafetyTimer('startSafetyTimer()');
@ -557,7 +513,7 @@ class Ads {
*/
clearSafetyTimer(from) {
if (typeof this.safetyTimer !== 'undefined' && this.safetyTimer !== null) {
this.player.debug.log(`[${(Date.now() - this.time) / 1000}s][IMA SDK]`, `Safety timer cleared timer from: ${from}`);
this.player.debug.log(`Safety timer cleared from: ${from}.`);
clearTimeout(this.safetyTimer);
this.safetyTimer = undefined;
}
@ -565,4 +521,3 @@ class Ads {
}
export default Ads;