Tue, 06 Jan 2015 21:39:09 +0100
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 | /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
michael@0 | 2 | /* vim: set sw=2 ts=8 et ft=cpp : */ |
michael@0 | 3 | /* This Source Code Form is subject to the terms of the Mozilla Public |
michael@0 | 4 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
michael@0 | 5 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
michael@0 | 6 | |
michael@0 | 7 | #include "mozilla/dom/ContentChild.h" |
michael@0 | 8 | #include "WindowIdentifier.h" |
michael@0 | 9 | #include "nsPIDOMWindow.h" |
michael@0 | 10 | |
michael@0 | 11 | namespace mozilla { |
michael@0 | 12 | namespace hal { |
michael@0 | 13 | |
michael@0 | 14 | WindowIdentifier::WindowIdentifier() |
michael@0 | 15 | : mWindow(nullptr) |
michael@0 | 16 | , mIsEmpty(true) |
michael@0 | 17 | { |
michael@0 | 18 | } |
michael@0 | 19 | |
michael@0 | 20 | WindowIdentifier::WindowIdentifier(nsIDOMWindow *window) |
michael@0 | 21 | : mWindow(window) |
michael@0 | 22 | , mIsEmpty(false) |
michael@0 | 23 | { |
michael@0 | 24 | mID.AppendElement(GetWindowID()); |
michael@0 | 25 | } |
michael@0 | 26 | |
michael@0 | 27 | WindowIdentifier::WindowIdentifier(const InfallibleTArray<uint64_t> &id, nsIDOMWindow *window) |
michael@0 | 28 | : mID(id) |
michael@0 | 29 | , mWindow(window) |
michael@0 | 30 | , mIsEmpty(false) |
michael@0 | 31 | { |
michael@0 | 32 | mID.AppendElement(GetWindowID()); |
michael@0 | 33 | } |
michael@0 | 34 | |
michael@0 | 35 | WindowIdentifier::WindowIdentifier(const WindowIdentifier &other) |
michael@0 | 36 | : mID(other.mID) |
michael@0 | 37 | , mWindow(other.mWindow) |
michael@0 | 38 | , mIsEmpty(other.mIsEmpty) |
michael@0 | 39 | { |
michael@0 | 40 | } |
michael@0 | 41 | |
michael@0 | 42 | const InfallibleTArray<uint64_t>& |
michael@0 | 43 | WindowIdentifier::AsArray() const |
michael@0 | 44 | { |
michael@0 | 45 | MOZ_ASSERT(!mIsEmpty); |
michael@0 | 46 | return mID; |
michael@0 | 47 | } |
michael@0 | 48 | |
michael@0 | 49 | bool |
michael@0 | 50 | WindowIdentifier::HasTraveledThroughIPC() const |
michael@0 | 51 | { |
michael@0 | 52 | MOZ_ASSERT(!mIsEmpty); |
michael@0 | 53 | return mID.Length() >= 2; |
michael@0 | 54 | } |
michael@0 | 55 | |
michael@0 | 56 | void |
michael@0 | 57 | WindowIdentifier::AppendProcessID() |
michael@0 | 58 | { |
michael@0 | 59 | MOZ_ASSERT(!mIsEmpty); |
michael@0 | 60 | mID.AppendElement(dom::ContentChild::GetSingleton()->GetID()); |
michael@0 | 61 | } |
michael@0 | 62 | |
michael@0 | 63 | uint64_t |
michael@0 | 64 | WindowIdentifier::GetWindowID() const |
michael@0 | 65 | { |
michael@0 | 66 | MOZ_ASSERT(!mIsEmpty); |
michael@0 | 67 | nsCOMPtr<nsPIDOMWindow> pidomWindow = do_QueryInterface(mWindow); |
michael@0 | 68 | if (!pidomWindow) { |
michael@0 | 69 | return UINT64_MAX; |
michael@0 | 70 | } |
michael@0 | 71 | return pidomWindow->WindowID(); |
michael@0 | 72 | } |
michael@0 | 73 | |
michael@0 | 74 | nsIDOMWindow* |
michael@0 | 75 | WindowIdentifier::GetWindow() const |
michael@0 | 76 | { |
michael@0 | 77 | MOZ_ASSERT(!mIsEmpty); |
michael@0 | 78 | return mWindow; |
michael@0 | 79 | } |
michael@0 | 80 | |
michael@0 | 81 | } // namespace hal |
michael@0 | 82 | } // namespace mozilla |