The Tor Browser: gfx/thebes/gfxPDFSurface.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_PDFSURFACE_H

     7 #define GFX_PDFSURFACE_H

     9 #include "gfxASurface.h"

    10 #include "gfxContext.h"

    12 /* for the output stream */

    13 #include "nsCOMPtr.h"

    14 #include "nsIOutputStream.h"

    16 class gfxPDFSurface : public gfxASurface {

    17 public:

    18     gfxPDFSurface(nsIOutputStream *aStream, const gfxSize& aSizeInPoints);

    19     virtual ~gfxPDFSurface();

    21     virtual nsresult BeginPrinting(const nsAString& aTitle, const nsAString& aPrintToFileName);

    22     virtual nsresult EndPrinting();

    23     virtual nsresult AbortPrinting();

    24     virtual nsresult BeginPage();

    25     virtual nsresult EndPage();

    26     virtual void Finish();

    28     void SetDPI(double x, double y);

    29     void GetDPI(double *xDPI, double *yDPI);

    31     // this is in points!

    32     virtual const gfxIntSize GetSize() const

    33     {

    34         return gfxIntSize(mSize.width, mSize.height);

    35     }

    37     virtual int32_t GetDefaultContextFlags() const

    38     {

    39         return gfxContext::FLAG_SIMPLIFY_OPERATORS |

    40                gfxContext::FLAG_DISABLE_SNAPPING |

    41                gfxContext::FLAG_DISABLE_COPY_BACKGROUND;

    42     }

    44 private:

    45     nsCOMPtr<nsIOutputStream> mStream;

    46     double mXDPI;

    47     double mYDPI;

    48     gfxSize mSize;

    49 };

    51 #endif /* GFX_PDFSURFACE_H */

The Tor Browser / file revision

gfx/thebes/gfxPDFSurface.h@97036ab72558

gfx/thebes/gfxPDFSurface.h