gecko/browser/modules/TabCrashReporter.jsm

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/* 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";
let Cc = Components.classes;
let Ci = Components.interfaces;
let Cu = Components.utils;
this.EXPORTED_SYMBOLS = [ "TabCrashReporter" ];
Cu.import("resource://gre/modules/XPCOMUtils.jsm");
Cu.import("resource://gre/modules/Services.jsm");
XPCOMUtils.defineLazyModuleGetter(this, "CrashSubmit",
"resource://gre/modules/CrashSubmit.jsm");
this.TabCrashReporter = {
init: function () {
if (this.initialized)
return;
this.initialized = true;
Services.obs.addObserver(this, "ipc:content-shutdown", false);
Services.obs.addObserver(this, "oop-frameloader-crashed", false);
this.childMap = new Map();
this.browserMap = new WeakMap();
},
observe: function (aSubject, aTopic, aData) {
switch (aTopic) {
case "ipc:content-shutdown":
aSubject.QueryInterface(Ci.nsIPropertyBag2);
if (!aSubject.get("abnormal"))
return;
this.childMap.set(aSubject.get("childID"), aSubject.get("dumpID"));
break;
case "oop-frameloader-crashed":
aSubject.QueryInterface(Ci.nsIFrameLoader);
let browser = aSubject.ownerElement;
if (!browser)
return;
this.browserMap.set(browser, aSubject.childID);
break;
}
},
submitCrashReport: function (aBrowser) {
let childID = this.browserMap.get(aBrowser);
let dumpID = this.childMap.get(childID);
if (!dumpID)
return
if (CrashSubmit.submit(dumpID, { recordSubmission: true })) {
this.childMap.set(childID, null); // Avoid resubmission.
this.removeSubmitCheckboxesForSameCrash(childID);
}
},
removeSubmitCheckboxesForSameCrash: function(childID) {
let enumerator = Services.wm.getEnumerator("navigator:browser");
while (enumerator.hasMoreElements()) {
let window = enumerator.getNext();
if (!window.gMultiProcessBrowser)
continue;
for (let browser of window.gBrowser.browsers) {
if (browser.isRemoteBrowser)
continue;
let doc = browser.contentDocument;
if (!doc.documentURI.startsWith("about:tabcrashed"))
continue;
if (this.browserMap.get(browser) == childID) {
this.browserMap.delete(browser);
browser.contentDocument.documentElement.classList.remove("crashDumpAvailable");
}
}
}
},
onAboutTabCrashedLoad: function (aBrowser) {
if (!this.childMap)
return;
let dumpID = this.childMap.get(this.browserMap.get(aBrowser));
if (!dumpID)
return;
aBrowser.contentDocument.documentElement.classList.add("crashDumpAvailable");
}
}