layout/svg/SVGFEContainerFrame.cpp@97036ab72558 (annotated)
layout/svg/SVGFEContainerFrame.cpp
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 | /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
| michael@0 | 2 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 3 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 4 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 5 | |
| michael@0 | 6 | // Keep in (case-insensitive) order: |
| michael@0 | 7 | #include "nsContainerFrame.h" |
| michael@0 | 8 | #include "nsGkAtoms.h" |
| michael@0 | 9 | #include "nsIFrame.h" |
| michael@0 | 10 | #include "nsLiteralString.h" |
| michael@0 | 11 | #include "nsSVGEffects.h" |
| michael@0 | 12 | #include "nsSVGFilters.h" |
| michael@0 | 13 | |
| michael@0 | 14 | typedef nsContainerFrame SVGFEContainerFrameBase; |
| michael@0 | 15 | |
| michael@0 | 16 | /* |
| michael@0 | 17 | * This frame is used by filter primitive elements that |
| michael@0 | 18 | * have special child elements that provide parameters. |
| michael@0 | 19 | */ |
| michael@0 | 20 | class SVGFEContainerFrame : public SVGFEContainerFrameBase |
| michael@0 | 21 | { |
| michael@0 | 22 | friend nsIFrame* |
| michael@0 | 23 | NS_NewSVGFEContainerFrame(nsIPresShell* aPresShell, nsStyleContext* aContext); |
| michael@0 | 24 | protected: |
| michael@0 | 25 | SVGFEContainerFrame(nsStyleContext* aContext) |
| michael@0 | 26 | : SVGFEContainerFrameBase(aContext) |
| michael@0 | 27 | { |
| michael@0 | 28 | AddStateBits(NS_FRAME_SVG_LAYOUT | NS_FRAME_IS_NONDISPLAY); |
| michael@0 | 29 | } |
| michael@0 | 30 | |
| michael@0 | 31 | public: |
| michael@0 | 32 | NS_DECL_FRAMEARENA_HELPERS |
| michael@0 | 33 | |
| michael@0 | 34 | virtual bool IsFrameOfType(uint32_t aFlags) const MOZ_OVERRIDE |
| michael@0 | 35 | { |
| michael@0 | 36 | return SVGFEContainerFrameBase::IsFrameOfType( |
| michael@0 | 37 | aFlags & ~(nsIFrame::eSVG | nsIFrame::eSVGContainer)); |
| michael@0 | 38 | } |
| michael@0 | 39 | |
| michael@0 | 40 | #ifdef DEBUG_FRAME_DUMP |
| michael@0 | 41 | virtual nsresult GetFrameName(nsAString& aResult) const MOZ_OVERRIDE |
| michael@0 | 42 | { |
| michael@0 | 43 | return MakeFrameName(NS_LITERAL_STRING("SVGFEContainer"), aResult); |
| michael@0 | 44 | } |
| michael@0 | 45 | #endif |
| michael@0 | 46 | |
| michael@0 | 47 | #ifdef DEBUG |
| michael@0 | 48 | virtual void Init(nsIContent* aContent, |
| michael@0 | 49 | nsIFrame* aParent, |
| michael@0 | 50 | nsIFrame* aPrevInFlow) MOZ_OVERRIDE; |
| michael@0 | 51 | #endif |
| michael@0 | 52 | /** |
| michael@0 | 53 | * Get the "type" of the frame |
| michael@0 | 54 | * |
| michael@0 | 55 | * @see nsGkAtoms::svgFEContainerFrame |
| michael@0 | 56 | */ |
| michael@0 | 57 | virtual nsIAtom* GetType() const MOZ_OVERRIDE; |
| michael@0 | 58 | |
| michael@0 | 59 | virtual nsresult AttributeChanged(int32_t aNameSpaceID, |
| michael@0 | 60 | nsIAtom* aAttribute, |
| michael@0 | 61 | int32_t aModType) MOZ_OVERRIDE; |
| michael@0 | 62 | |
| michael@0 | 63 | virtual bool UpdateOverflow() MOZ_OVERRIDE { |
| michael@0 | 64 | // We don't maintain a visual overflow rect |
| michael@0 | 65 | return false; |
| michael@0 | 66 | } |
| michael@0 | 67 | }; |
| michael@0 | 68 | |
| michael@0 | 69 | nsIFrame* |
| michael@0 | 70 | NS_NewSVGFEContainerFrame(nsIPresShell* aPresShell, nsStyleContext* aContext) |
| michael@0 | 71 | { |
| michael@0 | 72 | return new (aPresShell) SVGFEContainerFrame(aContext); |
| michael@0 | 73 | } |
| michael@0 | 74 | |
| michael@0 | 75 | NS_IMPL_FRAMEARENA_HELPERS(SVGFEContainerFrame) |
| michael@0 | 76 | |
| michael@0 | 77 | #ifdef DEBUG |
| michael@0 | 78 | void |
| michael@0 | 79 | SVGFEContainerFrame::Init(nsIContent* aContent, |
| michael@0 | 80 | nsIFrame* aParent, |
| michael@0 | 81 | nsIFrame* aPrevInFlow) |
| michael@0 | 82 | { |
| michael@0 | 83 | NS_ASSERTION(aContent->IsNodeOfType(nsINode::eFILTER), |
| michael@0 | 84 | "Trying to construct an SVGFEContainerFrame for a " |
| michael@0 | 85 | "content element that doesn't support the right interfaces"); |
| michael@0 | 86 | |
| michael@0 | 87 | SVGFEContainerFrameBase::Init(aContent, aParent, aPrevInFlow); |
| michael@0 | 88 | } |
| michael@0 | 89 | #endif /* DEBUG */ |
| michael@0 | 90 | |
| michael@0 | 91 | nsIAtom * |
| michael@0 | 92 | SVGFEContainerFrame::GetType() const |
| michael@0 | 93 | { |
| michael@0 | 94 | return nsGkAtoms::svgFEContainerFrame; |
| michael@0 | 95 | } |
| michael@0 | 96 | |
| michael@0 | 97 | nsresult |
| michael@0 | 98 | SVGFEContainerFrame::AttributeChanged(int32_t aNameSpaceID, |
| michael@0 | 99 | nsIAtom* aAttribute, |
| michael@0 | 100 | int32_t aModType) |
| michael@0 | 101 | { |
| michael@0 | 102 | nsSVGFE *element = static_cast<nsSVGFE*>(mContent); |
| michael@0 | 103 | if (element->AttributeAffectsRendering(aNameSpaceID, aAttribute)) { |
| michael@0 | 104 | nsSVGEffects::InvalidateRenderingObservers(this); |
| michael@0 | 105 | } |
| michael@0 | 106 | |
| michael@0 | 107 | return SVGFEContainerFrameBase::AttributeChanged(aNameSpaceID, |
| michael@0 | 108 | aAttribute, aModType); |
| michael@0 | 109 | } |
