The Tor Browser: layout/svg/nsSVGGenericContainerFrame.cpp@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 // Main header first:

     7 #include "nsSVGGenericContainerFrame.h"

     8 #include "nsSVGIntegrationUtils.h"

    10 //----------------------------------------------------------------------

    11 // nsSVGGenericContainerFrame Implementation

    13 nsIFrame*

    14 NS_NewSVGGenericContainerFrame(nsIPresShell* aPresShell, nsStyleContext* aContext)

    15 {

    16   return new (aPresShell) nsSVGGenericContainerFrame(aContext);

    17 }

    19 NS_IMPL_FRAMEARENA_HELPERS(nsSVGGenericContainerFrame)

    21 //----------------------------------------------------------------------

    22 // nsIFrame methods

    24 nsresult

    25 nsSVGGenericContainerFrame::AttributeChanged(int32_t         aNameSpaceID,

    26                                              nsIAtom*        aAttribute,

    27                                              int32_t         aModType)

    28 {

    29 #ifdef DEBUG

    30     nsAutoString str;

    31     aAttribute->ToString(str);

    32     printf("** nsSVGGenericContainerFrame::AttributeChanged(%s)\n",

    33            NS_LossyConvertUTF16toASCII(str).get());

    34 #endif

    36   return NS_OK;

    37 }

    39 nsIAtom *

    40 nsSVGGenericContainerFrame::GetType() const

    41 {

    42   return nsGkAtoms::svgGenericContainerFrame;

    43 }

    45 //----------------------------------------------------------------------

    46 // nsSVGContainerFrame methods:

    48 gfxMatrix

    49 nsSVGGenericContainerFrame::GetCanvasTM(uint32_t aFor,

    50                                         nsIFrame* aTransformRoot)

    51 {

    52   if (!(GetStateBits() & NS_FRAME_IS_NONDISPLAY) && !aTransformRoot) {

    53     if ((aFor == FOR_PAINTING && NS_SVGDisplayListPaintingEnabled()) ||

    54         (aFor == FOR_HIT_TESTING && NS_SVGDisplayListHitTestingEnabled())) {

    55       return nsSVGIntegrationUtils::GetCSSPxToDevPxMatrix(this);

    56     }

    57   }

    59   NS_ASSERTION(mParent, "null parent");

    61   return static_cast<nsSVGContainerFrame*>(mParent)->

    62       GetCanvasTM(aFor, aTransformRoot);

    63 }

The Tor Browser / file revision

layout/svg/nsSVGGenericContainerFrame.cpp@97036ab72558

layout/svg/nsSVGGenericContainerFrame.cpp