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: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*- |
michael@0 | 2 | * This Source Code Form is subject to the terms of the Mozilla Public |
michael@0 | 3 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
michael@0 | 4 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
michael@0 | 5 | |
michael@0 | 6 | #ifndef MOZILLA_GFX_SOURCESURFACESKIA_H_ |
michael@0 | 7 | #define MOZILLA_GFX_SOURCESURFACESKIA_H_ |
michael@0 | 8 | |
michael@0 | 9 | #include "2D.h" |
michael@0 | 10 | #include <vector> |
michael@0 | 11 | #include "skia/SkCanvas.h" |
michael@0 | 12 | #include "skia/SkBitmap.h" |
michael@0 | 13 | |
michael@0 | 14 | namespace mozilla { |
michael@0 | 15 | namespace gfx { |
michael@0 | 16 | |
michael@0 | 17 | class DrawTargetSkia; |
michael@0 | 18 | |
michael@0 | 19 | class SourceSurfaceSkia : public DataSourceSurface |
michael@0 | 20 | { |
michael@0 | 21 | public: |
michael@0 | 22 | MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(DataSourceSurfaceSkia) |
michael@0 | 23 | SourceSurfaceSkia(); |
michael@0 | 24 | ~SourceSurfaceSkia(); |
michael@0 | 25 | |
michael@0 | 26 | virtual SurfaceType GetType() const { return SurfaceType::SKIA; } |
michael@0 | 27 | virtual IntSize GetSize() const; |
michael@0 | 28 | virtual SurfaceFormat GetFormat() const; |
michael@0 | 29 | |
michael@0 | 30 | SkBitmap& GetBitmap() { return mBitmap; } |
michael@0 | 31 | |
michael@0 | 32 | bool InitFromData(unsigned char* aData, |
michael@0 | 33 | const IntSize &aSize, |
michael@0 | 34 | int32_t aStride, |
michael@0 | 35 | SurfaceFormat aFormat); |
michael@0 | 36 | |
michael@0 | 37 | bool InitFromCanvas(SkCanvas* aCanvas, |
michael@0 | 38 | SurfaceFormat aFormat, |
michael@0 | 39 | DrawTargetSkia* aOwner); |
michael@0 | 40 | |
michael@0 | 41 | virtual unsigned char *GetData(); |
michael@0 | 42 | |
michael@0 | 43 | virtual int32_t Stride() { return mStride; } |
michael@0 | 44 | |
michael@0 | 45 | private: |
michael@0 | 46 | friend class DrawTargetSkia; |
michael@0 | 47 | |
michael@0 | 48 | void DrawTargetWillChange(); |
michael@0 | 49 | void MaybeUnlock(); |
michael@0 | 50 | |
michael@0 | 51 | SkBitmap mBitmap; |
michael@0 | 52 | SurfaceFormat mFormat; |
michael@0 | 53 | IntSize mSize; |
michael@0 | 54 | int32_t mStride; |
michael@0 | 55 | RefPtr<DrawTargetSkia> mDrawTarget; |
michael@0 | 56 | bool mLocked; |
michael@0 | 57 | }; |
michael@0 | 58 | |
michael@0 | 59 | } |
michael@0 | 60 | } |
michael@0 | 61 | |
michael@0 | 62 | #endif /* MOZILLA_GFX_SOURCESURFACESKIA_H_ */ |