/*! @license
* Shaka Player
* Copyright 2016 Google LLC
* SPDX-License-Identifier: Apache-2.0
*/
goog.provide('shaka.ads.MediaTailorAdManager');
goog.require('goog.asserts');
goog.require('shaka.ads.MediaTailorAd');
goog.require('shaka.ads.Utils');
goog.require('shaka.log');
goog.require('shaka.net.NetworkingEngine');
goog.require('goog.Uri');
goog.require('shaka.util.EventManager');
goog.require('shaka.util.Error');
goog.require('shaka.util.FakeEvent');
goog.require('shaka.util.IReleasable');
goog.require('shaka.util.PublicPromise');
goog.require('shaka.util.StringUtils');
/**
* A class responsible for MediaTailor ad interactions.
*
* @implements {shaka.util.IReleasable}
*/
shaka.ads.MediaTailorAdManager = class {
/**
* @param {HTMLElement} adContainer
* @param {shaka.net.NetworkingEngine} networkingEngine
* @param {HTMLMediaElement} video
* @param {function(!shaka.util.FakeEvent)} onEvent
*/
constructor(adContainer, networkingEngine, video, onEvent) {
/** @private {HTMLElement} */
this.adContainer_ = adContainer;
/** @private {shaka.net.NetworkingEngine} */
this.networkingEngine_ = networkingEngine;
/** @private {HTMLMediaElement} */
this.video_ = video;
/** @private {?shaka.util.PublicPromise.<string>} */
this.streamPromise_ = null;
/** @private {number} */
this.streamRequestStartTime_ = NaN;
/** @private {function(!shaka.util.FakeEvent)} */
this.onEvent_ = onEvent;
/** @private {boolean} */
this.isLive_ = false;
/**
* Time to seek to after an ad if that ad was played as the result of
* snapback.
* @private {?number}
*/
this.snapForwardTime_ = null;
/** @private {!Array.<!mediaTailor.AdBreak>} */
this.adBreaks_ = [];
/** @private {!Array.<string>} */
this.playedAds_ = [];
/** @private {?shaka.ads.MediaTailorAd} */
this.ad_ = null;
/** @private {?mediaTailor.Ad} */
this.mediaTailorAd_ = null;
/** @private {?mediaTailor.AdBreak} */
this.mediaTailorAdBreak_ = null;
/** @private {!Map.<string,!Array.<mediaTailorExternalResource.App>>} */
this.staticResources_ = new Map();
/** @private {!Array.<{target: EventTarget, type: string,
* listener: shaka.util.EventManager.ListenerType}>}
*/
this.adListeners_ = [];
/** @private {!Array.<string>} */
this.eventsSent = [];
/** @private {string} */
this.trackingUrl_ = '';
/** @private {boolean} */
this.firstTrackingRequest_ = true;
/** @private {string} */
this.backupUrl_ = '';
/** @private {!Array.<!shaka.extern.AdCuePoint>} */
this.currentCuePoints_ = [];
/** @private {shaka.util.EventManager} */
this.eventManager_ = new shaka.util.EventManager();
}
/**
* @param {string} url
* @param {Object} adsParams
* @param {string} backupUrl
* @return {!Promise.<string>}
*/
streamRequest(url, adsParams, backupUrl) {
if (this.streamPromise_) {
return Promise.reject(new shaka.util.Error(
shaka.util.Error.Severity.RECOVERABLE,
shaka.util.Error.Category.ADS,
shaka.util.Error.Code.CURRENT_DAI_REQUEST_NOT_FINISHED));
}
this.streamPromise_ = new shaka.util.PublicPromise();
this.requestSessionInfo_(url, adsParams);
this.backupUrl_ = backupUrl || '';
this.streamRequestStartTime_ = Date.now() / 1000;
return this.streamPromise_;
}
/**
* @param {string} url
*/
addTrackingUrl(url) {
this.trackingUrl_ = url;
this.onEvent_(new shaka.util.FakeEvent(shaka.ads.Utils.ADS_LOADED,
(new Map()).set('loadTime', 0)));
}
/**
* Resets the MediaTailor manager and removes any continuous polling.
*/
stop() {
for (const listener of this.adListeners_) {
this.eventManager_.unlisten(
listener.target, listener.type, listener.listener);
}
this.onEnded_();
this.adListeners_ = [];
this.eventsSent = [];
this.trackingUrl_ = '';
this.firstTrackingRequest_ = true;
this.backupUrl_ = '';
this.snapForwardTime_ = null;
this.adBreaks_ = [];
this.playedAds_ = [];
this.staticResources_.clear();
}
/** @override */
release() {
this.stop();
if (this.eventManager_) {
this.eventManager_.release();
}
}
/**
* Fired when the manifest is updated
*
* @param {boolean} isLive
*/
onManifestUpdated(isLive) {
this.isLive_ = isLive;
if (this.trackingUrl_ != '') {
this.requestTrackingInfo_(
this.trackingUrl_, this.firstTrackingRequest_);
this.firstTrackingRequest_ = false;
}
}
/**
* @return {!Array.<!shaka.extern.AdCuePoint>}
*/
getCuePoints() {
const cuePoints = [];
for (const adbreak of this.adBreaks_) {
for (const ad of adbreak.ads) {
/** @type {!shaka.extern.AdCuePoint} */
const cuePoint = {
start: ad.startTimeInSeconds,
end: ad.startTimeInSeconds + ad.durationInSeconds,
};
cuePoints.push(cuePoint);
}
}
return cuePoints;
}
/**
* @param {string} url
* @param {Object} adsParams
* @private
*/
async requestSessionInfo_(url, adsParams) {
const type = shaka.net.NetworkingEngine.RequestType.ADS;
const request = shaka.net.NetworkingEngine.makeRequest(
[url],
shaka.net.NetworkingEngine.defaultRetryParameters());
request.method = 'POST';
if (adsParams) {
const body = JSON.stringify(adsParams);
request.body = shaka.util.StringUtils.toUTF8(body);
}
const op = this.networkingEngine_.request(type, request);
try {
const response = await op.promise;
const data = shaka.util.StringUtils.fromUTF8(response.data);
const dataAsJson =
/** @type {!mediaTailor.SessionResponse} */ (JSON.parse(data));
if (dataAsJson.manifestUrl && dataAsJson.trackingUrl) {
const baseUri = new goog.Uri(url);
const relativeTrackingUri = new goog.Uri(dataAsJson.trackingUrl);
this.trackingUrl_ = baseUri.resolve(relativeTrackingUri).toString();
const now = Date.now() / 1000;
const loadTime = now - this.streamRequestStartTime_;
this.onEvent_(new shaka.util.FakeEvent(shaka.ads.Utils.ADS_LOADED,
(new Map()).set('loadTime', loadTime)));
const relativeManifestUri = new goog.Uri(dataAsJson.manifestUrl);
this.streamPromise_.resolve(
baseUri.resolve(relativeManifestUri).toString());
this.streamPromise_ = null;
} else {
throw new Error('Insufficient data from MediaTailor.');
}
} catch (e) {
if (!this.backupUrl_.length) {
this.streamPromise_.reject('MediaTailor request returned an error ' +
'and there was no backup asset uri provided.');
this.streamPromise_ = null;
return;
}
shaka.log.warning('MediaTailor request returned an error. ' +
'Falling back to the backup asset uri.');
this.streamPromise_.resolve(this.backupUrl_);
this.streamPromise_ = null;
}
}
/**
* @param {string} trackingUrl
* @param {boolean} firstRequest
* @private
*/
async requestTrackingInfo_(trackingUrl, firstRequest) {
const type = shaka.net.NetworkingEngine.RequestType.ADS;
const request = shaka.net.NetworkingEngine.makeRequest(
[trackingUrl],
shaka.net.NetworkingEngine.defaultRetryParameters());
const op = this.networkingEngine_.request(type, request);
try {
const response = await op.promise;
let cuepoints = [];
const data = shaka.util.StringUtils.fromUTF8(response.data);
const dataAsJson =
/** @type {!mediaTailor.TrackingResponse} */ (JSON.parse(data));
if (dataAsJson.avails.length > 0) {
if (JSON.stringify(this.adBreaks_) !=
JSON.stringify(dataAsJson.avails)) {
this.adBreaks_ = dataAsJson.avails;
for (const adbreak of this.adBreaks_) {
for (const nonLinearAd of adbreak.nonLinearAdsList) {
for (const nonLinearAdResource of nonLinearAd.nonLinearAdList) {
this.requestStaticResource_(nonLinearAdResource);
}
}
}
cuepoints = this.getCuePoints();
this.onEvent_(new shaka.util.FakeEvent(
shaka.ads.Utils.CUEPOINTS_CHANGED,
(new Map()).set('cuepoints', cuepoints)));
}
} else {
if (this.adBreaks_.length) {
this.onEvent_(new shaka.util.FakeEvent(
shaka.ads.Utils.CUEPOINTS_CHANGED,
(new Map()).set('cuepoints', cuepoints)));
}
this.onEnded_();
this.adBreaks_ = [];
}
if (firstRequest && (this.isLive_ || cuepoints.length > 0)) {
this.setupAdBreakListeners_();
}
} catch (e) {}
}
/**
* @param {mediaTailor.NonLinearAd} nonLinearAd
* @private
*/
async requestStaticResource_(nonLinearAd) {
if (!nonLinearAd.staticResource) {
return;
}
const cacheKey = this.getCacheKeyForNonLinear_(nonLinearAd);
const staticResource = this.staticResources_.get(cacheKey);
if (staticResource) {
return;
}
const type = shaka.net.NetworkingEngine.RequestType.ADS;
const request = shaka.net.NetworkingEngine.makeRequest(
[nonLinearAd.staticResource],
shaka.net.NetworkingEngine.defaultRetryParameters());
const op = this.networkingEngine_.request(type, request);
try {
this.staticResources_.set(cacheKey, []);
const response = await op.promise;
const data = shaka.util.StringUtils.fromUTF8(response.data);
const dataAsJson =
/** @type {!mediaTailorExternalResource.Response} */ (JSON.parse(data));
const apps = dataAsJson.apps;
this.staticResources_.set(cacheKey, apps);
} catch (e) {
this.staticResources_.delete(cacheKey);
}
}
/**
* @param {mediaTailor.NonLinearAd} nonLinearAd
* @return {string}
* @private
*/
getCacheKeyForNonLinear_(nonLinearAd) {
return [
nonLinearAd.adId,
nonLinearAd.adParameters,
nonLinearAd.adSystem,
nonLinearAd.adTitle,
nonLinearAd.creativeAdId,
nonLinearAd.creativeId,
nonLinearAd.creativeSequence,
nonLinearAd.height,
nonLinearAd.width,
nonLinearAd.staticResource,
].join('');
}
/**
* Setup Ad Break listeners
*
* @private
*/
setupAdBreakListeners_() {
this.onTimeupdate_();
if (!this.isLive_) {
this.checkForSnapback_();
this.eventManager_.listen(this.video_, 'seeked', () => {
this.checkForSnapback_();
});
this.eventManager_.listen(this.video_, 'ended', () => {
this.onEnded_();
});
}
this.eventManager_.listen(this.video_, 'timeupdate', () => {
this.onTimeupdate_();
});
}
/**
* If a seek jumped over the ad break, return to the start of the
* ad break, then complete the seek after the ad played through.
*
* @private
*/
checkForSnapback_() {
const currentTime = this.video_.currentTime;
if (currentTime == 0 || this.snapForwardTime_ != null) {
return;
}
let previousAdBreak;
let previousAd;
for (const adbreak of this.adBreaks_) {
for (const ad of adbreak.ads) {
if (!previousAd) {
if (ad.startTimeInSeconds < currentTime) {
previousAd = ad;
previousAdBreak = adbreak;
}
} else if (ad.startTimeInSeconds < currentTime &&
ad.startTimeInSeconds >
(previousAd.startTimeInSeconds + previousAd.durationInSeconds)) {
previousAd = ad;
previousAdBreak = adbreak;
break;
}
}
}
// The cue point gets marked as 'played' as soon as the playhead hits it
// (at the start of an ad), so when we come back to this method as a result
// of seeking back to the user-selected time, the 'played' flag will be set.
if (previousAdBreak && previousAd &&
!this.playedAds_.includes(previousAd.adId)) {
shaka.log.info('Seeking back to the start of the ad break at ' +
previousAdBreak.startTimeInSeconds +
' and will return to ' + currentTime);
this.snapForwardTime_ = currentTime;
this.video_.currentTime = previousAdBreak.startTimeInSeconds;
}
}
/**
* @private
*/
onAdBreakEnded_() {
const currentTime = this.video_.currentTime;
// If the ad break was a result of snapping back (a user seeked over
// an ad break and was returned to it), seek forward to the point,
// originally chosen by the user.
if (this.snapForwardTime_ && this.snapForwardTime_ > currentTime) {
this.video_.currentTime = this.snapForwardTime_;
}
this.snapForwardTime_ = null;
}
/**
* @private
*/
onTimeupdate_() {
if (!this.video_.duration) {
// Can't play yet. Ignore.
return;
}
if (!this.ad_ && !this.adBreaks_.length) {
// No ads
return;
}
const currentTime = this.video_.currentTime;
let previousAd = false;
if (this.ad_) {
previousAd = true;
goog.asserts.assert(this.mediaTailorAd_, 'Ad should be defined');
this.sendInProgressEvents_(currentTime, this.mediaTailorAd_);
const remainingTime = this.ad_.getRemainingTime();
const duration = this.ad_.getDuration();
if (this.ad_.canSkipNow() && remainingTime > 0 && duration > 0) {
this.sendTrackingEvent_(
shaka.ads.MediaTailorAdManager.SKIP_STATE_CHANGED_);
}
if (duration > 0 && (remainingTime <= 0 || remainingTime > duration)) {
this.onEnded_();
}
}
if (!this.ad_ || !this.ad_.isLinear()) {
this.checkLinearAds_(currentTime);
if (!this.ad_) {
this.checkNonLinearAds_(currentTime);
}
if (previousAd && !this.ad_) {
this.onAdBreakEnded_();
}
}
}
/**
* @param {number} currentTime
* @param {mediaTailor.Ad} ad
* @private
*/
sendInProgressEvents_(currentTime, ad) {
const MediaTailorAdManager = shaka.ads.MediaTailorAdManager;
const firstQuartileTime = ad.startTimeInSeconds +
0.25 * ad.durationInSeconds;
const midpointTime = ad.startTimeInSeconds +
0.5 * ad.durationInSeconds;
const thirdQuartileTime = ad.startTimeInSeconds +
0.75 * ad.durationInSeconds;
if (currentTime >= firstQuartileTime &&
!this.eventsSent.includes(MediaTailorAdManager.FIRSTQUARTILE_)) {
this.eventsSent.push(MediaTailorAdManager.FIRSTQUARTILE_);
this.sendTrackingEvent_(MediaTailorAdManager.FIRSTQUARTILE_);
} else if (currentTime >= midpointTime &&
!this.eventsSent.includes(MediaTailorAdManager.MIDPOINT_)) {
this.eventsSent.push(MediaTailorAdManager.MIDPOINT_);
this.sendTrackingEvent_(MediaTailorAdManager.MIDPOINT_);
} else if (currentTime >= thirdQuartileTime &&
!this.eventsSent.includes(MediaTailorAdManager.THIRDQUARTILE_)) {
this.eventsSent.push(MediaTailorAdManager.THIRDQUARTILE_);
this.sendTrackingEvent_(MediaTailorAdManager.THIRDQUARTILE_);
}
}
/**
* @param {number} currentTime
* @private
*/
checkLinearAds_(currentTime) {
const MediaTailorAdManager = shaka.ads.MediaTailorAdManager;
for (const adbreak of this.adBreaks_) {
if (this.ad_ && this.ad_.isLinear()) {
break;
}
for (let i = 0; i < adbreak.ads.length; i++) {
const ad = adbreak.ads[i];
const startTime = ad.startTimeInSeconds;
const endTime = ad.startTimeInSeconds + ad.durationInSeconds;
if (startTime <= currentTime && endTime > currentTime) {
if (this.playedAds_.includes(ad.adId)) {
if (this.video_.ended) {
continue;
}
this.video_.currentTime = endTime;
return;
}
this.onEnded_();
this.mediaTailorAdBreak_ = adbreak;
this.ad_ = new shaka.ads.MediaTailorAd(
ad,
/* adPosition= */ i + 1,
/* totalAds= */ adbreak.ads.length,
/* isLinear= */ true,
this.video_);
this.mediaTailorAd_ = ad;
if (i === 0) {
this.sendTrackingEvent_(MediaTailorAdManager.BREAKSTART_);
}
this.setupCurrentAdListeners_();
break;
}
}
}
}
/**
* @param {number} currentTime
* @private
*/
checkNonLinearAds_(currentTime) {
const MediaTailorAdManager = shaka.ads.MediaTailorAdManager;
for (const adbreak of this.adBreaks_) {
if (this.ad_) {
break;
}
for (let i = 0; i < adbreak.nonLinearAdsList.length; i++) {
const ad = adbreak.nonLinearAdsList[i];
if (!ad.nonLinearAdList.length) {
continue;
}
const startTime = adbreak.startTimeInSeconds;
const cacheKey = this.getCacheKeyForNonLinear_(ad.nonLinearAdList[0]);
const staticResource = this.staticResources_.get(cacheKey);
if (startTime <= currentTime &&
staticResource && staticResource.length) {
this.onEnded_();
this.displayNonLinearAd_(staticResource);
this.mediaTailorAdBreak_ = adbreak;
this.ad_ = new shaka.ads.MediaTailorAd(
ad,
/* adPosition= */ i + 1,
/* totalAds= */ adbreak.ads.length,
/* isLinear= */ false,
this.video_);
this.mediaTailorAd_ = ad;
if (i === 0) {
this.sendTrackingEvent_(MediaTailorAdManager.BREAKSTART_);
}
this.setupCurrentAdListeners_();
break;
}
}
}
}
/**
* @param {!Array.<mediaTailorExternalResource.App>} apps
* @private
*/
displayNonLinearAd_(apps) {
for (const app of apps) {
if (!app.data.source.length) {
continue;
}
const imageElement = /** @type {!HTMLImageElement} */ (
document.createElement('img'));
imageElement.src = app.data.source[0].url;
imageElement.style.top = (app.placeholder.top || 0) + '%';
imageElement.style.height = (100 - (app.placeholder.top || 0)) + '%';
imageElement.style.left = (app.placeholder.left || 0) + '%';
imageElement.style.maxWidth = (100 - (app.placeholder.left || 0)) + '%';
imageElement.style.objectFit = 'contain';
imageElement.style.position = 'absolute';
this.adContainer_.appendChild(imageElement);
}
}
/**
* @private
*/
onEnded_() {
if (this.ad_) {
// Remove all child nodes
while (this.adContainer_.lastChild) {
this.adContainer_.removeChild(this.adContainer_.firstChild);
}
if (!this.isLive_) {
this.playedAds_.push(this.mediaTailorAd_.adId);
}
this.removeCurrentAdListeners_(this.ad_.isSkipped());
const position = this.ad_.getPositionInSequence();
const totalAdsInBreak = this.ad_.getSequenceLength();
if (position === totalAdsInBreak) {
this.sendTrackingEvent_(shaka.ads.MediaTailorAdManager.BREAKEND_);
}
this.ad_ = null;
this.mediaTailorAd_ = null;
this.mediaTailorAdBreak_ = null;
}
}
/**
* @private
*/
setupCurrentAdListeners_() {
const MediaTailorAdManager = shaka.ads.MediaTailorAdManager;
let needFirstEvents = false;
if (!this.video_.paused) {
this.sendTrackingEvent_(MediaTailorAdManager.IMPRESSION_);
this.sendTrackingEvent_(MediaTailorAdManager.START_);
} else {
needFirstEvents = true;
}
this.adListeners_.push({
target: this.video_,
type: 'volumechange',
listener: () => {
if (this.video_.muted) {
this.sendTrackingEvent_(MediaTailorAdManager.MUTE_);
}
},
});
this.adListeners_.push({
target: this.video_,
type: 'volumechange',
listener: () => {
if (!this.video_.muted) {
this.sendTrackingEvent_(MediaTailorAdManager.UNMUTE_);
}
},
});
this.adListeners_.push({
target: this.video_,
type: 'play',
listener: () => {
if (needFirstEvents) {
this.sendTrackingEvent_(MediaTailorAdManager.IMPRESSION_);
this.sendTrackingEvent_(MediaTailorAdManager.START_);
needFirstEvents = false;
} else {
this.sendTrackingEvent_(MediaTailorAdManager.RESUME_);
}
},
});
this.adListeners_.push({
target: this.video_,
type: 'pause',
listener: () => {
this.sendTrackingEvent_(MediaTailorAdManager.PAUSE_);
},
});
for (const listener of this.adListeners_) {
this.eventManager_.listen(
listener.target, listener.type, listener.listener);
}
}
/**
* @param {boolean=} skipped
* @private
*/
removeCurrentAdListeners_(skipped = false) {
if (skipped) {
this.sendTrackingEvent_(shaka.ads.MediaTailorAdManager.SKIPPED_);
} else {
this.sendTrackingEvent_(shaka.ads.MediaTailorAdManager.COMPLETE_);
}
for (const listener of this.adListeners_) {
this.eventManager_.unlisten(
listener.target, listener.type, listener.listener);
}
this.adListeners_ = [];
this.eventsSent = [];
}
/**
* @param {string} eventType
* @private
*/
sendTrackingEvent_(eventType) {
let trackingEvent = this.mediaTailorAd_.trackingEvents.find(
(event) => event.eventType == eventType);
if (!trackingEvent) {
trackingEvent = this.mediaTailorAdBreak_.adBreakTrackingEvents.find(
(event) => event.eventType == eventType);
}
if (trackingEvent) {
const type = shaka.net.NetworkingEngine.RequestType.ADS;
for (const beaconUrl of trackingEvent.beaconUrls) {
if (!beaconUrl || beaconUrl == '') {
continue;
}
const request = shaka.net.NetworkingEngine.makeRequest(
[beaconUrl],
shaka.net.NetworkingEngine.defaultRetryParameters());
request.method = 'POST';
this.networkingEngine_.request(type, request);
}
}
switch (eventType) {
case shaka.ads.MediaTailorAdManager.IMPRESSION_:
this.onEvent_(
new shaka.util.FakeEvent(shaka.ads.Utils.AD_IMPRESSION));
break;
case shaka.ads.MediaTailorAdManager.START_:
this.onEvent_(
new shaka.util.FakeEvent(shaka.ads.Utils.AD_STARTED,
(new Map()).set('ad', this.ad_)));
break;
case shaka.ads.MediaTailorAdManager.MUTE_:
this.onEvent_(
new shaka.util.FakeEvent(shaka.ads.Utils.AD_MUTED));
break;
case shaka.ads.MediaTailorAdManager.UNMUTE_:
this.onEvent_(
new shaka.util.FakeEvent(shaka.ads.Utils.AD_VOLUME_CHANGED));
break;
case shaka.ads.MediaTailorAdManager.RESUME_:
this.onEvent_(
new shaka.util.FakeEvent(shaka.ads.Utils.AD_RESUMED));
break;
case shaka.ads.MediaTailorAdManager.PAUSE_:
this.onEvent_(
new shaka.util.FakeEvent(shaka.ads.Utils.AD_PAUSED));
break;
case shaka.ads.MediaTailorAdManager.FIRSTQUARTILE_:
this.onEvent_(
new shaka.util.FakeEvent(shaka.ads.Utils.AD_FIRST_QUARTILE));
break;
case shaka.ads.MediaTailorAdManager.MIDPOINT_:
this.onEvent_(
new shaka.util.FakeEvent(shaka.ads.Utils.AD_MIDPOINT));
break;
case shaka.ads.MediaTailorAdManager.THIRDQUARTILE_:
this.onEvent_(
new shaka.util.FakeEvent(shaka.ads.Utils.AD_THIRD_QUARTILE));
break;
case shaka.ads.MediaTailorAdManager.COMPLETE_:
this.onEvent_(
new shaka.util.FakeEvent(shaka.ads.Utils.AD_COMPLETE));
this.onEvent_(
new shaka.util.FakeEvent(shaka.ads.Utils.AD_STOPPED));
break;
case shaka.ads.MediaTailorAdManager.SKIPPED_:
this.onEvent_(
new shaka.util.FakeEvent(shaka.ads.Utils.AD_SKIPPED));
this.onEvent_(
new shaka.util.FakeEvent(shaka.ads.Utils.AD_STOPPED));
break;
case shaka.ads.MediaTailorAdManager.BREAKSTART_:
this.adContainer_.setAttribute('ad-active', 'true');
break;
case shaka.ads.MediaTailorAdManager.BREAKEND_:
this.adContainer_.removeAttribute('ad-active');
break;
case shaka.ads.MediaTailorAdManager.SKIP_STATE_CHANGED_:
this.onEvent_(
new shaka.util.FakeEvent(
shaka.ads.Utils.AD_SKIP_STATE_CHANGED));
break;
}
}
};
/**
* @const {string}
* @private
*/
shaka.ads.MediaTailorAdManager.IMPRESSION_ = 'impression';
/**
* @const {string}
* @private
*/
shaka.ads.MediaTailorAdManager.START_ = 'start';
/**
* @const {string}
* @private
*/
shaka.ads.MediaTailorAdManager.MUTE_ = 'mute';
/**
* @const {string}
* @private
*/
shaka.ads.MediaTailorAdManager.UNMUTE_ = 'unmute';
/**
* @const {string}
* @private
*/
shaka.ads.MediaTailorAdManager.RESUME_ = 'resume';
/**
* @const {string}
* @private
*/
shaka.ads.MediaTailorAdManager.PAUSE_ = 'pause';
/**
* @const {string}
* @private
*/
shaka.ads.MediaTailorAdManager.FIRSTQUARTILE_ = 'firstQuartile';
/**
* @const {string}
* @private
*/
shaka.ads.MediaTailorAdManager.MIDPOINT_ = 'midpoint';
/**
* @const {string}
* @private
*/
shaka.ads.MediaTailorAdManager.THIRDQUARTILE_ = 'thirdQuartile';
/**
* @const {string}
* @private
*/
shaka.ads.MediaTailorAdManager.COMPLETE_ = 'complete';
/**
* @const {string}
* @private
*/
shaka.ads.MediaTailorAdManager.SKIPPED_ = 'skip';
/**
* @const {string}
* @private
*/
shaka.ads.MediaTailorAdManager.BREAKSTART_ = 'breakStart';
/**
* @const {string}
* @private
*/
shaka.ads.MediaTailorAdManager.BREAKEND_ = 'breakEnd';
/**
* @const {string}
* @private
*/
shaka.ads.MediaTailorAdManager.SKIP_STATE_CHANGED_ = 'skipStateChanged';