The Tor Browser / file comparison
comparison: layout/svg/SVGFELeafFrame.cpp
layout/svg/SVGFELeafFrame.cpp
- changeset 0
- 6474c204b198
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| -1:000000000000 | 0:813bcbdb34ca |
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| 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/. */ | |
| 5 | |
| 6 // Keep in (case-insensitive) order: | |
| 7 #include "nsFrame.h" | |
| 8 #include "nsGkAtoms.h" | |
| 9 #include "nsSVGEffects.h" | |
| 10 #include "nsSVGFilters.h" | |
| 11 | |
| 12 typedef nsFrame SVGFELeafFrameBase; | |
| 13 | |
| 14 /* | |
| 15 * This frame is used by filter primitive elements that don't | |
| 16 * have special child elements that provide parameters. | |
| 17 */ | |
| 18 class SVGFELeafFrame : public SVGFELeafFrameBase | |
| 19 { | |
| 20 friend nsIFrame* | |
| 21 NS_NewSVGFELeafFrame(nsIPresShell* aPresShell, nsStyleContext* aContext); | |
| 22 protected: | |
| 23 SVGFELeafFrame(nsStyleContext* aContext) | |
| 24 : SVGFELeafFrameBase(aContext) | |
| 25 { | |
| 26 AddStateBits(NS_FRAME_SVG_LAYOUT | NS_FRAME_IS_NONDISPLAY); | |
| 27 } | |
| 28 | |
| 29 public: | |
| 30 NS_DECL_FRAMEARENA_HELPERS | |
| 31 | |
| 32 #ifdef DEBUG | |
| 33 virtual void Init(nsIContent* aContent, | |
| 34 nsIFrame* aParent, | |
| 35 nsIFrame* aPrevInFlow) MOZ_OVERRIDE; | |
| 36 #endif | |
| 37 | |
| 38 virtual bool IsFrameOfType(uint32_t aFlags) const MOZ_OVERRIDE | |
| 39 { | |
| 40 return SVGFELeafFrameBase::IsFrameOfType(aFlags & ~(nsIFrame::eSVG)); | |
| 41 } | |
| 42 | |
| 43 #ifdef DEBUG_FRAME_DUMP | |
| 44 virtual nsresult GetFrameName(nsAString& aResult) const MOZ_OVERRIDE | |
| 45 { | |
| 46 return MakeFrameName(NS_LITERAL_STRING("SVGFELeaf"), aResult); | |
| 47 } | |
| 48 #endif | |
| 49 | |
| 50 /** | |
| 51 * Get the "type" of the frame | |
| 52 * | |
| 53 * @see nsGkAtoms::svgFELeafFrame | |
| 54 */ | |
| 55 virtual nsIAtom* GetType() const MOZ_OVERRIDE; | |
| 56 | |
| 57 virtual nsresult AttributeChanged(int32_t aNameSpaceID, | |
| 58 nsIAtom* aAttribute, | |
| 59 int32_t aModType) MOZ_OVERRIDE; | |
| 60 | |
| 61 virtual bool UpdateOverflow() MOZ_OVERRIDE { | |
| 62 // We don't maintain a visual overflow rect | |
| 63 return false; | |
| 64 } | |
| 65 }; | |
| 66 | |
| 67 nsIFrame* | |
| 68 NS_NewSVGFELeafFrame(nsIPresShell* aPresShell, nsStyleContext* aContext) | |
| 69 { | |
| 70 return new (aPresShell) SVGFELeafFrame(aContext); | |
| 71 } | |
| 72 | |
| 73 NS_IMPL_FRAMEARENA_HELPERS(SVGFELeafFrame) | |
| 74 | |
| 75 #ifdef DEBUG | |
| 76 void | |
| 77 SVGFELeafFrame::Init(nsIContent* aContent, | |
| 78 nsIFrame* aParent, | |
| 79 nsIFrame* aPrevInFlow) | |
| 80 { | |
| 81 NS_ASSERTION(aContent->IsNodeOfType(nsINode::eFILTER), | |
| 82 "Trying to construct an SVGFELeafFrame for a " | |
| 83 "content element that doesn't support the right interfaces"); | |
| 84 | |
| 85 SVGFELeafFrameBase::Init(aContent, aParent, aPrevInFlow); | |
| 86 } | |
| 87 #endif /* DEBUG */ | |
| 88 | |
| 89 nsIAtom * | |
| 90 SVGFELeafFrame::GetType() const | |
| 91 { | |
| 92 return nsGkAtoms::svgFELeafFrame; | |
| 93 } | |
| 94 | |
| 95 nsresult | |
| 96 SVGFELeafFrame::AttributeChanged(int32_t aNameSpaceID, | |
| 97 nsIAtom* aAttribute, | |
| 98 int32_t aModType) | |
| 99 { | |
| 100 nsSVGFE *element = static_cast<nsSVGFE*>(mContent); | |
| 101 if (element->AttributeAffectsRendering(aNameSpaceID, aAttribute)) { | |
| 102 nsSVGEffects::InvalidateRenderingObservers(this); | |
| 103 } | |
| 104 | |
| 105 return SVGFELeafFrameBase::AttributeChanged(aNameSpaceID, | |
| 106 aAttribute, aModType); | |
| 107 } |
