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-rw-r--r--layout/svg/SVGForeignObjectFrame.h102
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diff --git a/layout/svg/SVGForeignObjectFrame.h b/layout/svg/SVGForeignObjectFrame.h
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+++ b/layout/svg/SVGForeignObjectFrame.h
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+/* -*- 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_SVGFOREIGNOBJECTFRAME_H_
+#define LAYOUT_SVG_SVGFOREIGNOBJECTFRAME_H_
+
+#include "mozilla/Attributes.h"
+#include "mozilla/ISVGDisplayableFrame.h"
+#include "mozilla/PresShellForwards.h"
+#include "mozilla/UniquePtr.h"
+#include "nsContainerFrame.h"
+
+class gfxContext;
+
+nsContainerFrame* NS_NewSVGForeignObjectFrame(mozilla::PresShell* aPresShell,
+ mozilla::ComputedStyle* aStyle);
+
+namespace mozilla {
+
+class SVGForeignObjectFrame final : public nsContainerFrame,
+ public ISVGDisplayableFrame {
+ friend nsContainerFrame* ::NS_NewSVGForeignObjectFrame(
+ mozilla::PresShell* aPresShell, ComputedStyle* aStyle);
+
+ protected:
+ explicit SVGForeignObjectFrame(ComputedStyle* aStyle,
+ nsPresContext* aPresContext);
+
+ public:
+ NS_DECL_QUERYFRAME
+ NS_DECL_FRAMEARENA_HELPERS(SVGForeignObjectFrame)
+
+ // nsIFrame:
+ void Init(nsIContent* aContent, nsContainerFrame* aParent,
+ nsIFrame* aPrevInFlow) override;
+ nsresult AttributeChanged(int32_t aNameSpaceID, nsAtom* aAttribute,
+ int32_t aModType) override;
+
+ nsContainerFrame* GetContentInsertionFrame() override {
+ return PrincipalChildList().FirstChild()->GetContentInsertionFrame();
+ }
+
+ void Reflow(nsPresContext* aPresContext, ReflowOutput& aDesiredSize,
+ const ReflowInput& aReflowInput,
+ nsReflowStatus& aStatus) override;
+
+ void BuildDisplayList(nsDisplayListBuilder* aBuilder,
+ const nsDisplayListSet& aLists) override;
+
+ bool IsFrameOfType(uint32_t aFlags) const override {
+ if (aFlags & eSupportsContainLayoutAndPaint) {
+ return false;
+ }
+
+ return nsContainerFrame::IsFrameOfType(aFlags & ~nsIFrame::eSVG);
+ }
+
+ bool IsSVGTransformed(Matrix* aOwnTransform,
+ Matrix* aFromParentTransform) const override;
+
+#ifdef DEBUG_FRAME_DUMP
+ nsresult GetFrameName(nsAString& aResult) const override {
+ return MakeFrameName(u"SVGForeignObject"_ns, aResult);
+ }
+#endif
+
+ // ISVGDisplayableFrame interface:
+ void PaintSVG(gfxContext& aContext, const gfxMatrix& aTransform,
+ imgDrawingParams& aImgParams) override;
+ nsIFrame* GetFrameForPoint(const gfxPoint& aPoint) override;
+ void ReflowSVG() override;
+ void NotifySVGChanged(uint32_t aFlags) override;
+ SVGBBox GetBBoxContribution(const Matrix& aToBBoxUserspace,
+ uint32_t aFlags) override;
+ bool IsDisplayContainer() override { return true; }
+
+ gfxMatrix GetCanvasTM();
+
+ // Return our ::-moz-svg-foreign-content anonymous box.
+ void AppendDirectlyOwnedAnonBoxes(nsTArray<OwnedAnonBox>& aResult) override;
+
+ void DidSetComputedStyle(ComputedStyle* aOldComputedStyle) override;
+
+ protected:
+ // implementation helpers:
+ void DoReflow();
+ void RequestReflow(IntrinsicDirty aType);
+
+ // If width or height is less than or equal to zero we must disable rendering
+ bool IsDisabled() const { return mRect.width <= 0 || mRect.height <= 0; }
+
+ UniquePtr<gfxMatrix> mCanvasTM;
+
+ bool mInReflow;
+};
+
+} // namespace mozilla
+
+#endif // LAYOUT_SVG_SVGFOREIGNOBJECTFRAME_H_