The Tor Browser: browser/modules/TabCrashReporter.jsm@b8a032363ba2

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     1 /* This Source Code Form is subject to the terms of the Mozilla Public

     2  * License, v. 2.0. If a copy of the MPL was not distributed with this

     3  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     5 "use strict";

     7 let Cc = Components.classes;

     8 let Ci = Components.interfaces;

     9 let Cu = Components.utils;

    11 this.EXPORTED_SYMBOLS = [ "TabCrashReporter" ];

    13 Cu.import("resource://gre/modules/XPCOMUtils.jsm");

    14 Cu.import("resource://gre/modules/Services.jsm");

    16 XPCOMUtils.defineLazyModuleGetter(this, "CrashSubmit",

    17   "resource://gre/modules/CrashSubmit.jsm");

    19 this.TabCrashReporter = {

    20   init: function () {

    21     if (this.initialized)

    22       return;

    23     this.initialized = true;

    25     Services.obs.addObserver(this, "ipc:content-shutdown", false);

    26     Services.obs.addObserver(this, "oop-frameloader-crashed", false);

    28     this.childMap = new Map();

    29     this.browserMap = new WeakMap();

    30   },

    32   observe: function (aSubject, aTopic, aData) {

    33     switch (aTopic) {

    34       case "ipc:content-shutdown":

    35         aSubject.QueryInterface(Ci.nsIPropertyBag2);

    37         if (!aSubject.get("abnormal"))

    38           return;

    40         this.childMap.set(aSubject.get("childID"), aSubject.get("dumpID"));

    41         break;

    43       case "oop-frameloader-crashed":

    44         aSubject.QueryInterface(Ci.nsIFrameLoader);

    46         let browser = aSubject.ownerElement;

    47         if (!browser)

    48           return;

    50         this.browserMap.set(browser, aSubject.childID);

    51         break;

    52     }

    53   },

    55   submitCrashReport: function (aBrowser) {

    56     let childID = this.browserMap.get(aBrowser);

    57     let dumpID = this.childMap.get(childID);

    58     if (!dumpID)

    59       return

    61     if (CrashSubmit.submit(dumpID)) {

    62       this.childMap.set(childID, null); // Avoid resubmission.

    63     }

    64   },

    66   onAboutTabCrashedLoad: function (aBrowser) {

    67     if (!this.childMap)

    68       return;

    70     let dumpID = this.childMap.get(this.browserMap.get(aBrowser));

    71     if (!dumpID)

    72       return;

    74     aBrowser.contentDocument.documentElement.classList.add("crashDumpAvaible");

    75   }

    76 }

The Tor Browser / file revision