The Tor Browser: accessible/src/atk/nsMaiInterfaceImage.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 /* vim: set ts=2 et sw=2 tw=80: */

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

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

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

     7 #include "InterfaceInitFuncs.h"

     9 #include "AccessibleWrap.h"

    10 #include "ImageAccessible.h"

    11 #include "mozilla/Likely.h"

    12 #include "nsMai.h"

    13 #include "nsIAccessibleTypes.h"

    14 #include "nsIURI.h"

    16 using namespace mozilla;

    17 using namespace mozilla::a11y;

    19 extern "C" {

    20 const gchar* getDescriptionCB(AtkObject* aAtkObj);

    22 static void

    23 getImagePositionCB(AtkImage* aImage, gint* aAccX, gint* aAccY,

    24                    AtkCoordType aCoordType)

    25 {

    26   AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aImage));

    27   if (!accWrap || !accWrap->IsImage())

    28     return;

    30   ImageAccessible* image = accWrap->AsImage();

    31   uint32_t geckoCoordType = (aCoordType == ATK_XY_WINDOW) ?

    32     nsIAccessibleCoordinateType::COORDTYPE_WINDOW_RELATIVE :

    33     nsIAccessibleCoordinateType::COORDTYPE_SCREEN_RELATIVE;

    34   // Returned in screen coordinates

    35   image->GetImagePosition(geckoCoordType, aAccX, aAccY);

    36 }

    38 static const gchar*

    39 getImageDescriptionCB(AtkImage* aImage)

    40 {

    41   return getDescriptionCB(ATK_OBJECT(aImage));

    42 }

    44 static void

    45 getImageSizeCB(AtkImage* aImage, gint* aAccWidth, gint* aAccHeight)

    46 {

    47   AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aImage));

    48   if (!accWrap || !accWrap->IsImage())

    49     return;

    51   accWrap->AsImage()->GetImageSize(aAccWidth, aAccHeight);

    52 }

    53 }

    55 void

    56 imageInterfaceInitCB(AtkImageIface* aIface)

    57 {

    58   NS_ASSERTION(aIface, "no interface!");

    59   if (MOZ_UNLIKELY(!aIface))

    60     return;

    62   aIface->get_image_position = getImagePositionCB;

    63   aIface->get_image_description = getImageDescriptionCB;

    64   aIface->get_image_size = getImageSizeCB;

    65 }

The Tor Browser / file revision

accessible/src/atk/nsMaiInterfaceImage.cpp@97036ab72558

accessible/src/atk/nsMaiInterfaceImage.cpp