The Tor Browser: layout/svg/nsSVGGFrame.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: 2; 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 NSSVGGFRAME_H

     7 #define NSSVGGFRAME_H

     9 #include "mozilla/Attributes.h"

    10 #include "gfxMatrix.h"

    11 #include "nsSVGContainerFrame.h"

    13 typedef nsSVGDisplayContainerFrame nsSVGGFrameBase;

    15 class nsSVGGFrame : public nsSVGGFrameBase

    16 {

    17   friend nsIFrame*

    18   NS_NewSVGGFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);

    19 protected:

    20   nsSVGGFrame(nsStyleContext* aContext) :

    21     nsSVGGFrameBase(aContext) {}

    23 public:

    24   NS_DECL_FRAMEARENA_HELPERS

    26 #ifdef DEBUG

    27   virtual void Init(nsIContent*      aContent,

    28                     nsIFrame*        aParent,

    29                     nsIFrame*        aPrevInFlow) MOZ_OVERRIDE;

    30 #endif

    32   /**

    33    * Get the "type" of the frame

    34    *

    35    * @see nsGkAtoms::svgGFrame

    36    */

    37   virtual nsIAtom* GetType() const MOZ_OVERRIDE;

    39 #ifdef DEBUG_FRAME_DUMP

    40   virtual nsresult GetFrameName(nsAString& aResult) const MOZ_OVERRIDE

    41   {

    42     return MakeFrameName(NS_LITERAL_STRING("SVGG"), aResult);

    43   }

    44 #endif

    46   // nsIFrame interface:

    47   virtual nsresult AttributeChanged(int32_t         aNameSpaceID,

    48                                     nsIAtom*        aAttribute,

    49                                     int32_t         aModType) MOZ_OVERRIDE;

    51   // nsISVGChildFrame interface:

    52   virtual void NotifySVGChanged(uint32_t aFlags) MOZ_OVERRIDE;

    54   // nsSVGContainerFrame methods:

    55   virtual gfxMatrix GetCanvasTM(uint32_t aFor,

    56                                 nsIFrame* aTransformRoot = nullptr) MOZ_OVERRIDE;

    58   nsAutoPtr<gfxMatrix> mCanvasTM;

    59 };

    61 #endif

The Tor Browser / file revision

layout/svg/nsSVGGFrame.h@97036ab72558

layout/svg/nsSVGGFrame.h