The Tor Browser / file comparison
comparison: layout/svg/nsSVGFilterFrame.h
layout/svg/nsSVGFilterFrame.h
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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 #ifndef __NS_SVGFILTERFRAME_H__ | |
| 7 #define __NS_SVGFILTERFRAME_H__ | |
| 8 | |
| 9 #include "mozilla/Attributes.h" | |
| 10 #include "nsFrame.h" | |
| 11 #include "nsQueryFrame.h" | |
| 12 #include "nsSVGContainerFrame.h" | |
| 13 #include "nsSVGUtils.h" | |
| 14 | |
| 15 class nsIAtom; | |
| 16 class nsIContent; | |
| 17 class nsIFrame; | |
| 18 class nsIPresShell; | |
| 19 class nsRenderingContext; | |
| 20 class nsStyleContext; | |
| 21 class nsSVGFilterPaintCallback; | |
| 22 class nsSVGIntegerPair; | |
| 23 class nsSVGLength2; | |
| 24 | |
| 25 struct nsRect; | |
| 26 | |
| 27 namespace mozilla { | |
| 28 namespace dom { | |
| 29 class SVGFilterElement; | |
| 30 } | |
| 31 } | |
| 32 | |
| 33 typedef nsSVGContainerFrame nsSVGFilterFrameBase; | |
| 34 | |
| 35 class nsSVGFilterFrame : public nsSVGFilterFrameBase | |
| 36 { | |
| 37 friend nsIFrame* | |
| 38 NS_NewSVGFilterFrame(nsIPresShell* aPresShell, nsStyleContext* aContext); | |
| 39 protected: | |
| 40 nsSVGFilterFrame(nsStyleContext* aContext) | |
| 41 : nsSVGFilterFrameBase(aContext), | |
| 42 mLoopFlag(false), | |
| 43 mNoHRefURI(false) | |
| 44 { | |
| 45 AddStateBits(NS_FRAME_IS_NONDISPLAY); | |
| 46 } | |
| 47 | |
| 48 public: | |
| 49 NS_DECL_FRAMEARENA_HELPERS | |
| 50 | |
| 51 // nsIFrame methods: | |
| 52 virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder, | |
| 53 const nsRect& aDirtyRect, | |
| 54 const nsDisplayListSet& aLists) MOZ_OVERRIDE {} | |
| 55 | |
| 56 virtual nsresult AttributeChanged(int32_t aNameSpaceID, | |
| 57 nsIAtom* aAttribute, | |
| 58 int32_t aModType) MOZ_OVERRIDE; | |
| 59 | |
| 60 #ifdef DEBUG | |
| 61 virtual void Init(nsIContent* aContent, | |
| 62 nsIFrame* aParent, | |
| 63 nsIFrame* aPrevInFlow) MOZ_OVERRIDE; | |
| 64 #endif | |
| 65 | |
| 66 /** | |
| 67 * Get the "type" of the frame | |
| 68 * | |
| 69 * @see nsGkAtoms::svgFilterFrame | |
| 70 */ | |
| 71 virtual nsIAtom* GetType() const MOZ_OVERRIDE; | |
| 72 | |
| 73 private: | |
| 74 // Parse our xlink:href and set up our nsSVGPaintingProperty if we | |
| 75 // reference another filter and we don't have a property. Return | |
| 76 // the referenced filter's frame if available, null otherwise. | |
| 77 class AutoFilterReferencer; | |
| 78 friend class nsSVGFilterInstance; | |
| 79 nsSVGFilterFrame* GetReferencedFilter(); | |
| 80 nsSVGFilterFrame* GetReferencedFilterIfNotInUse(); | |
| 81 | |
| 82 // Accessors to lookup filter attributes | |
| 83 uint16_t GetEnumValue(uint32_t aIndex, nsIContent *aDefault); | |
| 84 uint16_t GetEnumValue(uint32_t aIndex) | |
| 85 { | |
| 86 return GetEnumValue(aIndex, mContent); | |
| 87 } | |
| 88 const nsSVGLength2 *GetLengthValue(uint32_t aIndex, nsIContent *aDefault); | |
| 89 const nsSVGLength2 *GetLengthValue(uint32_t aIndex) | |
| 90 { | |
| 91 return GetLengthValue(aIndex, mContent); | |
| 92 } | |
| 93 const mozilla::dom::SVGFilterElement *GetFilterContent(nsIContent *aDefault); | |
| 94 const mozilla::dom::SVGFilterElement *GetFilterContent() | |
| 95 { | |
| 96 return GetFilterContent(mContent); | |
| 97 } | |
| 98 | |
| 99 // This flag is used to detect loops in xlink:href processing | |
| 100 bool mLoopFlag; | |
| 101 bool mNoHRefURI; | |
| 102 }; | |
| 103 | |
| 104 #endif |
