gfx/thebes/gfxReusableImageSurfaceWrapper.h

Tue, 06 Jan 2015 21:39:09 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Tue, 06 Jan 2015 21:39:09 +0100
branch
TOR_BUG_9701
changeset 8
97036ab72558
permissions
-rw-r--r--

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 /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0 2 * License, v. 2.0. If a copy of the MPL was not distributed with this file,
michael@0 3 * You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0 4
michael@0 5 #ifndef GFXMEMCOWSURFACEWRAPPER
michael@0 6 #define GFXMEMCOWSURFACEWRAPPER
michael@0 7
michael@0 8 #include "gfxReusableSurfaceWrapper.h"
michael@0 9
michael@0 10 class gfxImageSurface;
michael@0 11
michael@0 12 /**
michael@0 13 * A cross-thread capable implementation of gfxReusableSurfaceWrapper based
michael@0 14 * on gfxImageSurface.
michael@0 15 */
michael@0 16 class gfxReusableImageSurfaceWrapper : public gfxReusableSurfaceWrapper {
michael@0 17 public:
michael@0 18 gfxReusableImageSurfaceWrapper(gfxImageSurface* aSurface);
michael@0 19 ~gfxReusableImageSurfaceWrapper();
michael@0 20
michael@0 21 const unsigned char* GetReadOnlyData() const MOZ_OVERRIDE;
michael@0 22 gfxImageFormat Format() MOZ_OVERRIDE;
michael@0 23 gfxReusableSurfaceWrapper* GetWritable(gfxImageSurface** aSurface) MOZ_OVERRIDE;
michael@0 24 void ReadLock() MOZ_OVERRIDE;
michael@0 25 void ReadUnlock() MOZ_OVERRIDE;
michael@0 26
michael@0 27 Type GetType()
michael@0 28 {
michael@0 29 return TYPE_IMAGE;
michael@0 30 }
michael@0 31
michael@0 32 private:
michael@0 33 nsRefPtr<gfxImageSurface> mSurface;
michael@0 34 };
michael@0 35
michael@0 36 #endif // GFXMEMCOWSURFACEWRAPPER

mercurial