36 lines
1.4 KiB
JavaScript
36 lines
1.4 KiB
JavaScript
/* vim: set ts=2 sw=2 sts=2 et tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/**
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* The BrowserElementParent is for performing actions on one or more subframes of
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* a <xul:browser> from the browser element binding.
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*/
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export class BrowserElementParent extends JSWindowActorParent {
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receiveMessage(message) {
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switch (message.name) {
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case "DOMWindowClose": {
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// This message is sent whenever window.close() is called within a window
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// that had originally been opened via window.open. Double-check that this is
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// coming from a top-level frame, and then dispatch the DOMWindowClose event
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// on the browser so that the front-end code can do the right thing with the
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// request to close.
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if (!this.manager.browsingContext.parent) {
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let browser = this.manager.browsingContext.embedderElement;
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let win = browser.ownerGlobal;
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// If this is a non-remote browser, the DOMWindowClose event will bubble
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// up naturally, and doesn't need to be re-dispatched.
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if (browser.isRemoteBrowser) {
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browser.dispatchEvent(
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new win.CustomEvent("DOMWindowClose", {
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bubbles: true,
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})
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);
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}
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}
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break;
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}
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}
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}
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}
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