The Tor Browser: dom/events/BeforeUnloadEvent.cpp@97036ab72558

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.

     1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

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

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

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

     6 #include "mozilla/dom/BeforeUnloadEvent.h"

     8 namespace mozilla {

     9 namespace dom {

    11 NS_IMPL_ADDREF_INHERITED(BeforeUnloadEvent, Event)

    12 NS_IMPL_RELEASE_INHERITED(BeforeUnloadEvent, Event)

    14 NS_INTERFACE_MAP_BEGIN(BeforeUnloadEvent)

    15   NS_INTERFACE_MAP_ENTRY(nsIDOMBeforeUnloadEvent)

    16 NS_INTERFACE_MAP_END_INHERITING(Event)

    18 NS_IMETHODIMP

    19 BeforeUnloadEvent::SetReturnValue(const nsAString& aReturnValue)

    20 {

    21   mText = aReturnValue;

    22   return NS_OK;  // Don't throw an exception

    23 }

    25 NS_IMETHODIMP

    26 BeforeUnloadEvent::GetReturnValue(nsAString& aReturnValue)

    27 {

    28   aReturnValue = mText;

    29   return NS_OK;  // Don't throw an exception

    30 }

    32 } // namespace dom

    33 } // namespace mozilla

    35 using namespace mozilla;

    36 using namespace mozilla::dom;

    38 nsresult

    39 NS_NewDOMBeforeUnloadEvent(nsIDOMEvent** aInstancePtrResult,

    40                            EventTarget* aOwner,

    41                            nsPresContext* aPresContext,

    42                            WidgetEvent* aEvent)

    43 {

    44   BeforeUnloadEvent* it = new BeforeUnloadEvent(aOwner, aPresContext, aEvent);

    45   NS_ADDREF(it);

    46   *aInstancePtrResult = static_cast<Event*>(it);

    47   return NS_OK;

    48 }

The Tor Browser / file revision

dom/events/BeforeUnloadEvent.cpp@97036ab72558

dom/events/BeforeUnloadEvent.cpp