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author | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
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committer | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
commit | 5f8de423f190bbb79a62f804151bc24824fa32d8 (patch) | |
tree | 10027f336435511475e392454359edea8e25895d /layout/svg/nsSVGFilterFrame.h | |
parent | 49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff) | |
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Add m-esr52 at 52.6.0
Diffstat (limited to 'layout/svg/nsSVGFilterFrame.h')
-rw-r--r-- | layout/svg/nsSVGFilterFrame.h | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/layout/svg/nsSVGFilterFrame.h b/layout/svg/nsSVGFilterFrame.h new file mode 100644 index 000000000..223c787f6 --- /dev/null +++ b/layout/svg/nsSVGFilterFrame.h @@ -0,0 +1,99 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef __NS_SVGFILTERFRAME_H__ +#define __NS_SVGFILTERFRAME_H__ + +#include "mozilla/Attributes.h" +#include "nsFrame.h" +#include "nsQueryFrame.h" +#include "nsSVGContainerFrame.h" +#include "nsSVGUtils.h" + +class nsIAtom; +class nsIContent; +class nsIFrame; +class nsIPresShell; +class nsStyleContext; +class nsSVGLength2; + +struct nsRect; + +namespace mozilla { +namespace dom { +class SVGFilterElement; +} // namespace dom +} // namespace mozilla + +class nsSVGFilterFrame : public nsSVGContainerFrame +{ + friend nsIFrame* + NS_NewSVGFilterFrame(nsIPresShell* aPresShell, nsStyleContext* aContext); +protected: + explicit nsSVGFilterFrame(nsStyleContext* aContext) + : nsSVGContainerFrame(aContext) + , mLoopFlag(false) + , mNoHRefURI(false) + { + AddStateBits(NS_FRAME_IS_NONDISPLAY); + } + +public: + NS_DECL_FRAMEARENA_HELPERS + + // nsIFrame methods: + virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder, + const nsRect& aDirtyRect, + const nsDisplayListSet& aLists) override {} + + virtual nsresult AttributeChanged(int32_t aNameSpaceID, + nsIAtom* aAttribute, + int32_t aModType) override; + +#ifdef DEBUG + virtual void Init(nsIContent* aContent, + nsContainerFrame* aParent, + nsIFrame* aPrevInFlow) override; +#endif + + /** + * Get the "type" of the frame + * + * @see nsGkAtoms::svgFilterFrame + */ + virtual nsIAtom* GetType() const override; + +private: + // Parse our xlink:href and set up our nsSVGPaintingProperty if we + // reference another filter and we don't have a property. Return + // the referenced filter's frame if available, null otherwise. + class AutoFilterReferencer; + friend class nsSVGFilterInstance; + nsSVGFilterFrame* GetReferencedFilter(); + nsSVGFilterFrame* GetReferencedFilterIfNotInUse(); + + // Accessors to lookup filter attributes + uint16_t GetEnumValue(uint32_t aIndex, nsIContent *aDefault); + uint16_t GetEnumValue(uint32_t aIndex) + { + return GetEnumValue(aIndex, mContent); + } + const nsSVGLength2 *GetLengthValue(uint32_t aIndex, nsIContent *aDefault); + const nsSVGLength2 *GetLengthValue(uint32_t aIndex) + { + return GetLengthValue(aIndex, mContent); + } + const mozilla::dom::SVGFilterElement *GetFilterContent(nsIContent *aDefault); + const mozilla::dom::SVGFilterElement *GetFilterContent() + { + return GetFilterContent(mContent); + } + + // This flag is used to detect loops in xlink:href processing + bool mLoopFlag; + bool mNoHRefURI; +}; + +#endif |