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Decrease callback frequency

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This commit is contained in:
Tamius Han 2021-02-01 00:11:24 +01:00
parent 02b4b44780
commit 870384f83b
1 changed files with 11 additions and 10 deletions
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21
src/ext/lib/video-data/PlayerData.js
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@ -4,6 +4,7 @@ import AspectRatio from '../../../common/enums/aspect-ratio.enum';
import PlayerNotificationUi from '../uwui/PlayerNotificationUI';
import PlayerUi from '../uwui/PlayerUI';
import BrowserDetect from '../../conf/BrowserDetect';
import _ from 'lodash';
if (process.env.CHANNEL !== 'stable'){
console.info("Loading: PlayerData.js");
@ -87,19 +88,10 @@ class PlayerData {
// player size observer may not be strictly necessary here
_playerDimensionChangedInProgress = false;
onPlayerDimensionsChanged(mutationList, observer, context) {
if (this._playerDimensionChangedInProgress) {
return;
}
this._playerDimensionChangedInProgress = true;
if (this?.checkPlayerSizeChange()) {
this.videoData.resizer.restore();
}
this._playerDimensionChangedInProgress = false;
}
@ -124,7 +116,16 @@ class PlayerData {
}
try {
this.observer = new MutationObserver((m,o) => this.onPlayerDimensionsChanged(m,o,this));
this.observer = new MutationObserver(
_.debounce( // don't do this too much:
(m,o) => this.onPlayerDimensionsChanged(m,o,this),
250, // do it once per this many ms
{
leading: true, // do it when we call this fallback first
trailing: true // do it after the timeout if we call this callback few more times
}
)
);
const observerConf = {
attributes: true,