The Tor Browser: gfx/layers/composite/ImageLayerComposite.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 #ifndef GFX_ImageLayerComposite_H

     7 #define GFX_ImageLayerComposite_H

     9 #include "GLTextureImage.h"             // for TextureImage

    10 #include "ImageLayers.h"                // for ImageLayer

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

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

    13 #include "mozilla/layers/LayerManagerComposite.h"  // for LayerComposite, etc

    14 #include "mozilla/layers/LayersTypes.h"  // for LayerRenderState, etc

    15 #include "nsISupportsImpl.h"            // for TextureImage::AddRef, etc

    16 #include "nscore.h"                     // for nsACString

    18 struct nsIntPoint;

    19 struct nsIntRect;

    21 namespace mozilla {

    22 namespace layers {

    24 class CompositableHost;

    25 class ImageHost;

    26 class Layer;

    28 class ImageLayerComposite : public ImageLayer,

    29                             public LayerComposite

    30 {

    31   typedef gl::TextureImage TextureImage;

    33 public:

    34   ImageLayerComposite(LayerManagerComposite* aManager);

    36   virtual ~ImageLayerComposite();

    38   virtual LayerRenderState GetRenderState() MOZ_OVERRIDE;

    40   virtual void Disconnect() MOZ_OVERRIDE;

    42   virtual bool SetCompositableHost(CompositableHost* aHost) MOZ_OVERRIDE;

    44   virtual Layer* GetLayer() MOZ_OVERRIDE;

    46   virtual void RenderLayer(const nsIntRect& aClipRect);

    48   virtual void ComputeEffectiveTransforms(const mozilla::gfx::Matrix4x4& aTransformToSurface) MOZ_OVERRIDE;

    50   virtual void CleanupResources() MOZ_OVERRIDE;

    52   CompositableHost* GetCompositableHost() MOZ_OVERRIDE;

    54   virtual LayerComposite* AsLayerComposite() MOZ_OVERRIDE { return this; }

    56   virtual const char* Name() const { return "ImageLayerComposite"; }

    58 protected:

    59   virtual nsACString& PrintInfo(nsACString& aTo, const char* aPrefix) MOZ_OVERRIDE;

    61 private:

    62   RefPtr<CompositableHost> mImageHost;

    63 };

    65 } /* layers */

    66 } /* mozilla */

    68 #endif /* GFX_ImageLayerComposite_H */

The Tor Browser / file revision

gfx/layers/composite/ImageLayerComposite.h@97036ab72558

gfx/layers/composite/ImageLayerComposite.h