layout/svg/nsSVGFilterFrame.h@97036ab72558 (annotated)
layout/svg/nsSVGFilterFrame.h
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 | #ifndef __NS_SVGFILTERFRAME_H__ |
| michael@0 | 7 | #define __NS_SVGFILTERFRAME_H__ |
| michael@0 | 8 | |
| michael@0 | 9 | #include "mozilla/Attributes.h" |
| michael@0 | 10 | #include "nsFrame.h" |
| michael@0 | 11 | #include "nsQueryFrame.h" |
| michael@0 | 12 | #include "nsSVGContainerFrame.h" |
| michael@0 | 13 | #include "nsSVGUtils.h" |
| michael@0 | 14 | |
| michael@0 | 15 | class nsIAtom; |
| michael@0 | 16 | class nsIContent; |
| michael@0 | 17 | class nsIFrame; |
| michael@0 | 18 | class nsIPresShell; |
| michael@0 | 19 | class nsRenderingContext; |
| michael@0 | 20 | class nsStyleContext; |
| michael@0 | 21 | class nsSVGFilterPaintCallback; |
| michael@0 | 22 | class nsSVGIntegerPair; |
| michael@0 | 23 | class nsSVGLength2; |
| michael@0 | 24 | |
| michael@0 | 25 | struct nsRect; |
| michael@0 | 26 | |
| michael@0 | 27 | namespace mozilla { |
| michael@0 | 28 | namespace dom { |
| michael@0 | 29 | class SVGFilterElement; |
| michael@0 | 30 | } |
| michael@0 | 31 | } |
| michael@0 | 32 | |
| michael@0 | 33 | typedef nsSVGContainerFrame nsSVGFilterFrameBase; |
| michael@0 | 34 | |
| michael@0 | 35 | class nsSVGFilterFrame : public nsSVGFilterFrameBase |
| michael@0 | 36 | { |
| michael@0 | 37 | friend nsIFrame* |
| michael@0 | 38 | NS_NewSVGFilterFrame(nsIPresShell* aPresShell, nsStyleContext* aContext); |
| michael@0 | 39 | protected: |
| michael@0 | 40 | nsSVGFilterFrame(nsStyleContext* aContext) |
| michael@0 | 41 | : nsSVGFilterFrameBase(aContext), |
| michael@0 | 42 | mLoopFlag(false), |
| michael@0 | 43 | mNoHRefURI(false) |
| michael@0 | 44 | { |
| michael@0 | 45 | AddStateBits(NS_FRAME_IS_NONDISPLAY); |
| michael@0 | 46 | } |
| michael@0 | 47 | |
| michael@0 | 48 | public: |
| michael@0 | 49 | NS_DECL_FRAMEARENA_HELPERS |
| michael@0 | 50 | |
| michael@0 | 51 | // nsIFrame methods: |
| michael@0 | 52 | virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder, |
| michael@0 | 53 | const nsRect& aDirtyRect, |
| michael@0 | 54 | const nsDisplayListSet& aLists) MOZ_OVERRIDE {} |
| michael@0 | 55 | |
| michael@0 | 56 | virtual nsresult AttributeChanged(int32_t aNameSpaceID, |
| michael@0 | 57 | nsIAtom* aAttribute, |
| michael@0 | 58 | int32_t aModType) MOZ_OVERRIDE; |
| michael@0 | 59 | |
| michael@0 | 60 | #ifdef DEBUG |
| michael@0 | 61 | virtual void Init(nsIContent* aContent, |
| michael@0 | 62 | nsIFrame* aParent, |
| michael@0 | 63 | nsIFrame* aPrevInFlow) MOZ_OVERRIDE; |
| michael@0 | 64 | #endif |
| michael@0 | 65 | |
| michael@0 | 66 | /** |
| michael@0 | 67 | * Get the "type" of the frame |
| michael@0 | 68 | * |
| michael@0 | 69 | * @see nsGkAtoms::svgFilterFrame |
| michael@0 | 70 | */ |
| michael@0 | 71 | virtual nsIAtom* GetType() const MOZ_OVERRIDE; |
| michael@0 | 72 | |
| michael@0 | 73 | private: |
| michael@0 | 74 | // Parse our xlink:href and set up our nsSVGPaintingProperty if we |
| michael@0 | 75 | // reference another filter and we don't have a property. Return |
| michael@0 | 76 | // the referenced filter's frame if available, null otherwise. |
| michael@0 | 77 | class AutoFilterReferencer; |
| michael@0 | 78 | friend class nsSVGFilterInstance; |
| michael@0 | 79 | nsSVGFilterFrame* GetReferencedFilter(); |
| michael@0 | 80 | nsSVGFilterFrame* GetReferencedFilterIfNotInUse(); |
| michael@0 | 81 | |
| michael@0 | 82 | // Accessors to lookup filter attributes |
| michael@0 | 83 | uint16_t GetEnumValue(uint32_t aIndex, nsIContent *aDefault); |
| michael@0 | 84 | uint16_t GetEnumValue(uint32_t aIndex) |
| michael@0 | 85 | { |
| michael@0 | 86 | return GetEnumValue(aIndex, mContent); |
| michael@0 | 87 | } |
| michael@0 | 88 | const nsSVGLength2 *GetLengthValue(uint32_t aIndex, nsIContent *aDefault); |
| michael@0 | 89 | const nsSVGLength2 *GetLengthValue(uint32_t aIndex) |
| michael@0 | 90 | { |
| michael@0 | 91 | return GetLengthValue(aIndex, mContent); |
| michael@0 | 92 | } |
| michael@0 | 93 | const mozilla::dom::SVGFilterElement *GetFilterContent(nsIContent *aDefault); |
| michael@0 | 94 | const mozilla::dom::SVGFilterElement *GetFilterContent() |
| michael@0 | 95 | { |
| michael@0 | 96 | return GetFilterContent(mContent); |
| michael@0 | 97 | } |
| michael@0 | 98 | |
| michael@0 | 99 | // This flag is used to detect loops in xlink:href processing |
| michael@0 | 100 | bool mLoopFlag; |
| michael@0 | 101 | bool mNoHRefURI; |
| michael@0 | 102 | }; |
| michael@0 | 103 | |
| michael@0 | 104 | #endif |
