зеркало из https://github.com/mozilla/gecko-dev.git
57 строки
2.0 KiB
JavaScript
57 строки
2.0 KiB
JavaScript
/* 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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"use strict";
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var EXPORTED_SYMBOLS = ["BrowserTabParent"];
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class BrowserTabParent extends JSWindowActorParent {
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receiveMessage(message) {
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let browser = this.manager.browsingContext.embedderElement;
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if (!browser) {
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return; // Can happen sometimes if browser is being destroyed
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}
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let gBrowser = browser.ownerGlobal.gBrowser;
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if (!gBrowser) {
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// Note: gBrowser might be null because this message might be received
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// from the extension process. There's still an embedderElement involved,
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// but it's the one coming from dummy.xul.
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// This should probably be fixed by adding support to specifying "group: 'browsers"
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// in the registerWindowActor options/. See bug 1557118.
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return;
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}
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if (!gBrowser.tabpanels || !gBrowser.tabpanels.contains(browser)) {
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// Note: This is ignoring browser elements related to extension pages that are not loaded
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// as a browser tab (like sidebars, devtools panels and options pages embedded into
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// about:addons, browserAction and pageAction popup panels.
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// (Ideally we could call gBrowser.getTabForBrowser, but it returns undefined early in
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// the tab browser creation and we would ignore browsers related to newly created tabs).
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return;
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}
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switch (message.name) {
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case "Browser:WindowCreated": {
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gBrowser.announceWindowCreated(browser, message.data.userContextId);
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break;
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}
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case "Browser:FirstPaint": {
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browser.ownerGlobal.gBrowserInit._firstBrowserPaintDeferred.resolve();
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break;
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}
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case "MozDOMPointerLock:Entered": {
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browser.ownerGlobal.PointerLock.entered(message.data.originNoSuffix);
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break;
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}
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case "MozDOMPointerLock:Exited":
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browser.ownerGlobal.PointerLock.exited();
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break;
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}
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}
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}
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