The Tor Browser: gfx/layers/ipc/SharedPlanarYCbCrImage.h@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: 20; 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 <stdint.h>                     // for uint8_t, uint32_t

     7 #include "ImageContainer.h"             // for PlanarYCbCrImage, etc

     8 #include "mozilla/Attributes.h"         // for MOZ_OVERRIDE

     9 #include "mozilla/RefPtr.h"             // for RefPtr

    10 #include "mozilla/ipc/Shmem.h"          // for Shmem

    11 #include "nsCOMPtr.h"                   // for already_AddRefed

    12 #include "nsDebug.h"                    // for NS_WARNING

    13 #include "nsISupportsImpl.h"            // for MOZ_COUNT_CTOR

    15 #ifndef MOZILLA_LAYERS_SHAREDPLANARYCBCRIMAGE_H

    16 #define MOZILLA_LAYERS_SHAREDPLANARYCBCRIMAGE_H

    18 namespace mozilla {

    19 namespace layers {

    21 class BufferTextureClient;

    22 class ImageClient;

    23 class ISurfaceAllocator;

    24 class SurfaceDescriptor;

    25 class TextureClient;

    27 class SharedPlanarYCbCrImage : public PlanarYCbCrImage

    28                              , public ISharedImage

    29 {

    30 public:

    31   SharedPlanarYCbCrImage(ImageClient* aCompositable);

    32   ~SharedPlanarYCbCrImage();

    34   virtual ISharedImage* AsSharedImage() MOZ_OVERRIDE { return this; }

    35   virtual TextureClient* GetTextureClient(CompositableClient* aClient) MOZ_OVERRIDE;

    36   virtual uint8_t* GetBuffer() MOZ_OVERRIDE;

    38   virtual TemporaryRef<gfx::SourceSurface> GetAsSourceSurface() MOZ_OVERRIDE;

    39   virtual void SetData(const PlanarYCbCrData& aData) MOZ_OVERRIDE;

    40   virtual void SetDataNoCopy(const Data &aData) MOZ_OVERRIDE;

    42   virtual bool Allocate(PlanarYCbCrData& aData);

    43   virtual uint8_t* AllocateBuffer(uint32_t aSize) MOZ_OVERRIDE;

    44   // needs to be overriden because the parent class sets mBuffer which we

    45   // do not want to happen.

    46   virtual uint8_t* AllocateAndGetNewBuffer(uint32_t aSize) MOZ_OVERRIDE;

    48   virtual bool IsValid() MOZ_OVERRIDE;

    50   virtual size_t SizeOfIncludingThis(MallocSizeOf aMallocSizeOf) const MOZ_OVERRIDE

    51   {

    52     return aMallocSizeOf(this) + SizeOfExcludingThis(aMallocSizeOf);

    53   }

    55   virtual size_t SizeOfExcludingThis(MallocSizeOf aMallocSizeOf) const MOZ_OVERRIDE;

    57 private:

    58   RefPtr<BufferTextureClient> mTextureClient;

    59   RefPtr<ImageClient> mCompositable;

    60 };

    62 } // namespace

    63 } // namespace

    65 #endif

The Tor Browser / file revision

gfx/layers/ipc/SharedPlanarYCbCrImage.h@97036ab72558

gfx/layers/ipc/SharedPlanarYCbCrImage.h