The Tor Browser: gfx/thebes/gfxQuartzSurface.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: 4 -*-

     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_QUARTZSURFACE_H

     7 #define GFX_QUARTZSURFACE_H

     9 #include "gfxASurface.h"

    10 #include "nsSize.h"

    11 #include "gfxPoint.h"

    13 #include <Carbon/Carbon.h>

    15 class gfxContext;

    16 class gfxImageSurface;

    18 class gfxQuartzSurface : public gfxASurface {

    19 public:

    20     gfxQuartzSurface(const gfxSize& size, gfxImageFormat format, bool aForPrinting = false);

    21     gfxQuartzSurface(CGContextRef context, const gfxSize& size, bool aForPrinting = false);

    22     gfxQuartzSurface(CGContextRef context, const gfxIntSize& size, bool aForPrinting = false);

    23     gfxQuartzSurface(cairo_surface_t *csurf, const gfxIntSize& aSize, bool aForPrinting = false);

    24     gfxQuartzSurface(unsigned char *data, const gfxSize& size, long stride, gfxImageFormat format, bool aForPrinting = false);

    25     gfxQuartzSurface(unsigned char *data, const gfxIntSize& size, long stride, gfxImageFormat format, bool aForPrinting = false);

    27     virtual ~gfxQuartzSurface();

    29     virtual already_AddRefed<gfxASurface> CreateSimilarSurface(gfxContentType aType,

    30                                                                const gfxIntSize& aSize);

    32     virtual const gfxIntSize GetSize() const { return gfxIntSize(mSize.width, mSize.height); }

    34     CGContextRef GetCGContext() { return mCGContext; }

    36     CGContextRef GetCGContextWithClip(gfxContext *ctx);

    38     virtual int32_t GetDefaultContextFlags() const;

    40     already_AddRefed<gfxImageSurface> GetAsImageSurface();

    42     void MovePixels(const nsIntRect& aSourceRect,

    43                     const nsIntPoint& aDestTopLeft)

    44     {

    45         FastMovePixels(aSourceRect, aDestTopLeft);

    46     }

    48 protected:

    49     void MakeInvalid();

    51     CGContextRef mCGContext;

    52     gfxSize      mSize;

    53     bool mForPrinting;

    54 };

    56 #endif /* GFX_QUARTZSURFACE_H */

The Tor Browser / file revision

gfx/thebes/gfxQuartzSurface.h@97036ab72558

gfx/thebes/gfxQuartzSurface.h