зеркало из https://github.com/mozilla/gecko-dev.git
86 строки
2.8 KiB
JavaScript
86 строки
2.8 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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// Creates a new PageListener for this process. This will listen for page loads
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// and for those that match URLs provided by the parent process will set up
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// a dedicated message port and notify the parent process.
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const {Services} = ChromeUtils.import("resource://gre/modules/Services.jsm");
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const gInContentProcess = Services.appinfo.processType == Ci.nsIXULRuntime.PROCESS_TYPE_CONTENT;
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Services.cpmm.addMessageListener("gmp-plugin-crash", msg => {
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let gmpservice = Cc["@mozilla.org/gecko-media-plugin-service;1"]
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.getService(Ci.mozIGeckoMediaPluginService);
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gmpservice.RunPluginCrashCallbacks(msg.data.pluginID, msg.data.pluginName);
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});
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let TOPICS = [
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"chrome-document-global-created",
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"content-document-global-created",
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];
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if (gInContentProcess) {
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TOPICS.push("inner-window-destroyed");
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TOPICS.push("xpcom-shutdown");
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}
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let ProcessObserver = {
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init() {
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for (let topic of TOPICS) {
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Services.obs.addObserver(this, topic);
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}
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},
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uninit() {
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for (let topic of TOPICS) {
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Services.obs.removeObserver(this, topic);
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}
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},
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observe(subject, topic, data) {
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switch (topic) {
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case "chrome-document-global-created":
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case "content-document-global-created": {
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// Strip the hash from the URL, because it's not part of the origin.
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let window = subject;
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let url = window.document.documentURI.replace(/[\#|\?].*$/, "");
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let registeredURLs = Services.cpmm.sharedData.get("RemotePageManager:urls");
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if (!registeredURLs || !registeredURLs.has(url))
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return;
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// Get the frame message manager for this window so we can associate this
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// page with a browser element
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let messageManager = window.docShell.messageManager;
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let { ChildMessagePort } =
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ChromeUtils.import("resource://gre/modules/remotepagemanager/RemotePageManagerChild.jsm");
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// Set up the child side of the message port
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new ChildMessagePort(messageManager, window);
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break;
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}
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case "inner-window-destroyed": {
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// Forward inner-window-destroyed notifications with the
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// inner window ID, so that code in the parent that should
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// do something when content windows go away can do it
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let innerWindowID =
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subject.QueryInterface(Ci.nsISupportsPRUint64).data;
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Services.cpmm.sendAsyncMessage("Toolkit:inner-window-destroyed",
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innerWindowID);
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break;
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}
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case "xpcom-shutdown": {
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this.uninit();
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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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ProcessObserver.init();
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