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Avoid failures on asynchronous image update when lightbox has closed #3646

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Jun 18, 2016
Merged

Avoid failures on asynchronous image update when lightbox has closed #3646

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4 changes: 4 additions & 0 deletions extensions/amp-image-lightbox/0.1/amp-image-lightbox.js
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Original file line number Diff line number Diff line change
Expand Up @@ -270,6 +270,10 @@ export class ImageViewer {
* @private
*/
updateSrc_() {
if (!this.srcset_) {
// Do not update source if the lightbox has already exited.
return Promise.resolve();
}
this.maxSeenScale_ = Math.max(this.maxSeenScale_, this.scale_);
const width = this.imageBox_.width * this.maxSeenScale_;
const src = this.srcset_.select(width, this.lightbox_.getDpr()).url;
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