1 files changed, 105 insertions, 0 deletions
diff --git a/layout/svg/nsSVGForeignObjectFrame.h b/layout/svg/nsSVGForeignObjectFrame.h
new file mode 100644
index 000000000..57df6d5b5
--- /dev/null
+++ b/layout/svg/nsSVGForeignObjectFrame.h
@@ -0,0 +1,105 @@
+/* -*- 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 NSSVGFOREIGNOBJECTFRAME_H__
+#define NSSVGFOREIGNOBJECTFRAME_H__
+
+#include "mozilla/Attributes.h"
+#include "nsAutoPtr.h"
+#include "nsContainerFrame.h"
+#include "nsIPresShell.h"
+#include "nsISVGChildFrame.h"
+#include "nsRegion.h"
+#include "nsSVGUtils.h"
+
+class gfxContext;
+
+class nsSVGForeignObjectFrame : public nsContainerFrame
+                              , public nsISVGChildFrame
+{
+  friend nsContainerFrame*
+  NS_NewSVGForeignObjectFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
+protected:
+  explicit nsSVGForeignObjectFrame(nsStyleContext* aContext);
+
+public:
+  NS_DECL_QUERYFRAME
+  NS_DECL_FRAMEARENA_HELPERS
+
+  // nsIFrame:
+  virtual void Init(nsIContent*       aContent,
+                    nsContainerFrame* aParent,
+                    nsIFrame*         aPrevInFlow) override;
+  virtual void DestroyFrom(nsIFrame* aDestructRoot) override;
+  virtual nsresult  AttributeChanged(int32_t         aNameSpaceID,
+                                     nsIAtom*        aAttribute,
+                                     int32_t         aModType) override;
+
+  virtual nsContainerFrame* GetContentInsertionFrame() override {
+    return PrincipalChildList().FirstChild()->GetContentInsertionFrame();
+  }
+
+  virtual void Reflow(nsPresContext*           aPresContext,
+                      ReflowOutput&     aDesiredSize,
+                      const ReflowInput& aReflowInput,
+                      nsReflowStatus&          aStatus) override;
+
+  virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
+                                const nsRect&           aDirtyRect,
+                                const nsDisplayListSet& aLists) override;
+
+  /**
+   * Get the "type" of the frame
+   *
+   * @see nsGkAtoms::svgForeignObjectFrame
+   */
+  virtual nsIAtom* GetType() const override;
+
+  virtual bool IsFrameOfType(uint32_t aFlags) const override
+  {
+    return nsContainerFrame::IsFrameOfType(aFlags &
+      ~(nsIFrame::eSVG | nsIFrame::eSVGForeignObject));
+  }
+
+  virtual bool IsSVGTransformed(Matrix *aOwnTransform,
+                                Matrix *aFromParentTransform) const override;
+
+#ifdef DEBUG_FRAME_DUMP
+  virtual nsresult GetFrameName(nsAString& aResult) const override
+  {
+    return MakeFrameName(NS_LITERAL_STRING("SVGForeignObject"), aResult);
+  }
+#endif
+
+  // nsISVGChildFrame interface:
+  virtual DrawResult PaintSVG(gfxContext& aContext,
+                              const gfxMatrix& aTransform,
+                              const nsIntRect* aDirtyRect = nullptr) override;
+  virtual nsIFrame* GetFrameForPoint(const gfxPoint& aPoint) override;
+  virtual nsRect GetCoveredRegion() override;
+  virtual void ReflowSVG() override;
+  virtual void NotifySVGChanged(uint32_t aFlags) override;
+  virtual SVGBBox GetBBoxContribution(const Matrix &aToBBoxUserspace,
+                                      uint32_t aFlags) override;
+  virtual bool IsDisplayContainer() override { return true; }
+
+  gfxMatrix GetCanvasTM();
+
+  nsRect GetInvalidRegion();
+
+protected:
+  // implementation helpers:
+  void DoReflow();
+  void RequestReflow(nsIPresShell::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; }
+
+  nsAutoPtr<gfxMatrix> mCanvasTM;
+
+  bool mInReflow;
+};
+
+#endif