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fe940af53e
We no longer need the concept of "local" transforms after bug 878346. Local transforms that we'd need in the future could be represented via attribute mapping. We still need the viewbox transform shenanigans which applies to children only, tho. Differential Revision: https://phabricator.services.mozilla.com/D220290
91 lines
3.2 KiB
C++
91 lines
3.2 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef LAYOUT_SVG_SVGFOREIGNOBJECTFRAME_H_
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#define LAYOUT_SVG_SVGFOREIGNOBJECTFRAME_H_
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#include "mozilla/Attributes.h"
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#include "mozilla/ISVGDisplayableFrame.h"
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#include "mozilla/PresShellForwards.h"
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#include "mozilla/UniquePtr.h"
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#include "nsContainerFrame.h"
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class gfxContext;
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nsContainerFrame* NS_NewSVGForeignObjectFrame(mozilla::PresShell* aPresShell,
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mozilla::ComputedStyle* aStyle);
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namespace mozilla {
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class SVGForeignObjectFrame final : public nsContainerFrame,
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public ISVGDisplayableFrame {
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friend nsContainerFrame* ::NS_NewSVGForeignObjectFrame(
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mozilla::PresShell* aPresShell, ComputedStyle* aStyle);
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protected:
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explicit SVGForeignObjectFrame(ComputedStyle* aStyle,
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nsPresContext* aPresContext);
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public:
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NS_DECL_QUERYFRAME
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NS_DECL_FRAMEARENA_HELPERS(SVGForeignObjectFrame)
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// nsIFrame:
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void Init(nsIContent* aContent, nsContainerFrame* aParent,
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nsIFrame* aPrevInFlow) override;
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nsresult AttributeChanged(int32_t aNameSpaceID, nsAtom* aAttribute,
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int32_t aModType) override;
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nsContainerFrame* GetContentInsertionFrame() override {
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return PrincipalChildList().FirstChild()->GetContentInsertionFrame();
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}
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void Reflow(nsPresContext* aPresContext, ReflowOutput& aDesiredSize,
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const ReflowInput& aReflowInput,
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nsReflowStatus& aStatus) override;
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void BuildDisplayList(nsDisplayListBuilder* aBuilder,
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const nsDisplayListSet& aLists) override;
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bool DoGetParentSVGTransforms(Matrix*) const override;
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#ifdef DEBUG_FRAME_DUMP
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nsresult GetFrameName(nsAString& aResult) const override {
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return MakeFrameName(u"SVGForeignObject"_ns, aResult);
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}
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#endif
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// ISVGDisplayableFrame interface:
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void PaintSVG(gfxContext& aContext, const gfxMatrix& aTransform,
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imgDrawingParams& aImgParams) override;
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nsIFrame* GetFrameForPoint(const gfxPoint& aPoint) override;
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void ReflowSVG() override;
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void NotifySVGChanged(uint32_t aFlags) override;
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SVGBBox GetBBoxContribution(const Matrix& aToBBoxUserspace,
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uint32_t aFlags) override;
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bool IsDisplayContainer() override { return true; }
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gfxMatrix GetCanvasTM();
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// Return our ::-moz-svg-foreign-content anonymous box.
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void AppendDirectlyOwnedAnonBoxes(nsTArray<OwnedAnonBox>& aResult) override;
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void DidSetComputedStyle(ComputedStyle* aOldComputedStyle) override;
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protected:
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// implementation helpers:
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void DoReflow();
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void RequestReflow(IntrinsicDirty aType);
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// If width or height is less than or equal to zero we must disable rendering
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bool IsDisabled() const { return mRect.width <= 0 || mRect.height <= 0; }
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UniquePtr<gfxMatrix> mCanvasTM;
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};
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} // namespace mozilla
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#endif // LAYOUT_SVG_SVGFOREIGNOBJECTFRAME_H_
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