Spracherkennung für: .mjs vermutete Sprache: Unknown {[0] [0] [0]} [Methode: Schwerpunktbildung, einfache Gewichte, sechs Dimensionen]
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v.
2.
0. If a copy of the MPL was not distributed with this
* file, You can obtain one at
http://mozilla.org/MPL/2.
0/. */
export class PageInfoPreviewChild extends JSWindowActorChild {
async receiveMessage(message) {
if (message.name === "PageInfoPreview:resize") {
return this.resize(this.contentWindow.document, message.data);
}
return undefined;
}
resize(document, data) {
let img = document.querySelector("img");
if (!img) {
return undefined;
}
const naturalWidth = img.naturalWidth ||
0;
const naturalHeight = img.naturalHeight ||
0;
if (data.width !== undefined) {
img.width = data.width;
}
if (data.height !== undefined) {
img.height = data.height;
}
return {
naturalWidth,
naturalHeight,
width: img.width,
height: img.height,
};
}
}