dom/activities/src/ActivityRequestHandler.js

Tue, 06 Jan 2015 21:39:09 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Tue, 06 Jan 2015 21:39:09 +0100
branch
TOR_BUG_9701
changeset 8
97036ab72558
permissions
-rw-r--r--

Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.

michael@0 1 /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0 2 * License, v. 2.0. If a copy of the MPL was not distributed with this file,
michael@0 3 * You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0 4
michael@0 5 "use strict";
michael@0 6
michael@0 7 const Ci = Components.interfaces;
michael@0 8 const Cu = Components.utils;
michael@0 9
michael@0 10 Cu.import("resource://gre/modules/XPCOMUtils.jsm");
michael@0 11 Cu.import("resource://gre/modules/Services.jsm");
michael@0 12
michael@0 13 XPCOMUtils.defineLazyServiceGetter(this, "cpmm",
michael@0 14 "@mozilla.org/childprocessmessagemanager;1",
michael@0 15 "nsISyncMessageSender");
michael@0 16
michael@0 17 function debug(aMsg) {
michael@0 18 //dump("-- ActivityRequestHandler.js " + Date.now() + " : " + aMsg + "\n");
michael@0 19 }
michael@0 20
michael@0 21 /**
michael@0 22 * nsIDOMMozActivityRequestHandler implementation.
michael@0 23 */
michael@0 24
michael@0 25 function ActivityRequestHandler() {
michael@0 26 debug("ActivityRequestHandler");
michael@0 27
michael@0 28 // When a system message of type 'activity' is emitted, it forces the
michael@0 29 // creation of an ActivityWrapper which in turns replace the default
michael@0 30 // system message callback. The newly created wrapper then create an
michael@0 31 // ActivityRequestHandler object.
michael@0 32 }
michael@0 33
michael@0 34 ActivityRequestHandler.prototype = {
michael@0 35 init: function arh_init(aWindow) {
michael@0 36 this._window = aWindow;
michael@0 37 },
michael@0 38
michael@0 39 __init: function arh___init(aId, aOptions) {
michael@0 40 this._id = aId;
michael@0 41 this._options = aOptions;
michael@0 42 },
michael@0 43
michael@0 44 get source() {
michael@0 45 // We need to clone this object because the this._options.data has
michael@0 46 // the type any in WebIDL which will cause the binding layer to pass
michael@0 47 // the value which is a COW unmodified to content.
michael@0 48 return Cu.cloneInto(this._options, this._window);
michael@0 49 },
michael@0 50
michael@0 51 postResult: function arh_postResult(aResult) {
michael@0 52 cpmm.sendAsyncMessage("Activity:PostResult", {
michael@0 53 "id": this._id,
michael@0 54 "result": aResult
michael@0 55 });
michael@0 56 Services.obs.notifyObservers(null, "activity-success", this._id);
michael@0 57 },
michael@0 58
michael@0 59 postError: function arh_postError(aError) {
michael@0 60 cpmm.sendAsyncMessage("Activity:PostError", {
michael@0 61 "id": this._id,
michael@0 62 "error": aError
michael@0 63 });
michael@0 64 Services.obs.notifyObservers(null, "activity-error", this._id);
michael@0 65 },
michael@0 66
michael@0 67 classID: Components.ID("{9326952a-dbe3-4d81-a51f-d9c160d96d6b}"),
michael@0 68
michael@0 69 QueryInterface: XPCOMUtils.generateQI([
michael@0 70 Ci.nsIDOMGlobalPropertyInitializer
michael@0 71 ])
michael@0 72 }
michael@0 73
michael@0 74 this.NSGetFactory = XPCOMUtils.generateNSGetFactory([ActivityRequestHandler]);

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