fune/browser/components/extensions/child/ext-menus-child.js
2019-07-10 12:03:37 +00:00

40 lines
1 KiB
JavaScript

/* 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/. */
"use strict";
ChromeUtils.defineModuleGetter(
this,
"ContextMenuChild",
"resource:///actors/ContextMenuChild.jsm"
);
this.menusChild = class extends ExtensionAPI {
getAPI(context) {
return {
menus: {
getTargetElement(targetElementId) {
let element;
let lastMenuTarget = ContextMenuChild.getLastTarget(
context.contentWindow.docShell.browsingContext
);
if (
lastMenuTarget &&
Math.floor(lastMenuTarget.timeStamp) === targetElementId
) {
element = lastMenuTarget.targetRef.get();
}
if (
element &&
element.getRootNode({ composed: true }) ===
context.contentWindow.document
) {
return element;
}
return null;
},
},
};
}
};