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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
commit | 6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch) | |
tree | a68f146d7fa01f0134297619fbe7e33db084e0aa /layout/svg/SVGFilterFrame.h | |
parent | Initial commit. (diff) | |
download | thunderbird-upstream.tar.xz thunderbird-upstream.zip |
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'layout/svg/SVGFilterFrame.h')
-rw-r--r-- | layout/svg/SVGFilterFrame.h | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/layout/svg/SVGFilterFrame.h b/layout/svg/SVGFilterFrame.h new file mode 100644 index 0000000000..d6839c3ff4 --- /dev/null +++ b/layout/svg/SVGFilterFrame.h @@ -0,0 +1,93 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=8 sts=2 et sw=2 tw=80: */ +/* 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 LAYOUT_SVG_SVGFILTERFRAME_H_ +#define LAYOUT_SVG_SVGFILTERFRAME_H_ + +#include "mozilla/Attributes.h" +#include "mozilla/SVGContainerFrame.h" +#include "nsQueryFrame.h" + +class nsAtom; +class nsIContent; +class nsIFrame; + +struct nsRect; + +namespace mozilla { +class SVGAnimatedLength; +class SVGFilterInstance; +class PresShell; + +namespace dom { +class SVGFilterElement; +} // namespace dom +} // namespace mozilla + +nsIFrame* NS_NewSVGFilterFrame(mozilla::PresShell* aPresShell, + mozilla::ComputedStyle* aStyle); + +namespace mozilla { + +class SVGFilterFrame final : public SVGContainerFrame { + friend nsIFrame* ::NS_NewSVGFilterFrame(mozilla::PresShell* aPresShell, + ComputedStyle* aStyle); + + protected: + explicit SVGFilterFrame(ComputedStyle* aStyle, nsPresContext* aPresContext) + : SVGContainerFrame(aStyle, aPresContext, kClassID), + mLoopFlag(false), + mNoHRefURI(false) { + AddStateBits(NS_FRAME_IS_NONDISPLAY); + } + + public: + NS_DECL_FRAMEARENA_HELPERS(SVGFilterFrame) + + // nsIFrame methods: + void BuildDisplayList(nsDisplayListBuilder* aBuilder, + const nsDisplayListSet& aLists) override {} + + nsresult AttributeChanged(int32_t aNameSpaceID, nsAtom* aAttribute, + int32_t aModType) override; + +#ifdef DEBUG + void Init(nsIContent* aContent, nsContainerFrame* aParent, + nsIFrame* aPrevInFlow) override; +#endif + + private: + friend class SVGFilterInstance; + + /** + * Parses this frame's href and - if it references another filter - returns + * it. It also makes this frame a rendering observer of the specified ID. + */ + SVGFilterFrame* GetReferencedFilter(); + + // Accessors to lookup filter attributes + uint16_t GetEnumValue(uint32_t aIndex, nsIContent* aDefault); + uint16_t GetEnumValue(uint32_t aIndex) { + return GetEnumValue(aIndex, mContent); + } + const mozilla::SVGAnimatedLength* GetLengthValue(uint32_t aIndex, + nsIContent* aDefault); + const mozilla::SVGAnimatedLength* 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; +}; + +} // namespace mozilla + +#endif // LAYOUT_SVG_SVGFILTERFRAME_H_ |