1 files changed, 114 insertions, 0 deletions
diff --git a/layout/svg/SVGImageFrame.h b/layout/svg/SVGImageFrame.h
new file mode 100644
index 0000000000..fb21e51c2c
--- /dev/null
+++ b/layout/svg/SVGImageFrame.h
@@ -0,0 +1,114 @@
+/* -*- 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_SVGIMAGEFRAME_H_
+#define LAYOUT_SVG_SVGIMAGEFRAME_H_
+
+// Keep in (case-insensitive) order:
+#include "gfxContext.h"
+#include "gfxPlatform.h"
+#include "mozilla/gfx/2D.h"
+#include "imgIContainer.h"
+#include "nsContainerFrame.h"
+#include "imgINotificationObserver.h"
+#include "mozilla/SVGGeometryFrame.h"
+#include "nsIReflowCallback.h"
+#include "mozilla/Unused.h"
+
+namespace mozilla {
+class PresShell;
+}  // namespace mozilla
+
+nsIFrame* NS_NewSVGImageFrame(mozilla::PresShell* aPresShell,
+                              mozilla::ComputedStyle* aStyle);
+
+namespace mozilla {
+
+class SVGImageFrame final : public SVGGeometryFrame, public nsIReflowCallback {
+  friend nsIFrame* ::NS_NewSVGImageFrame(mozilla::PresShell* aPresShell,
+                                         ComputedStyle* aStyle);
+
+  virtual bool CreateWebRenderCommands(
+      wr::DisplayListBuilder& aBuilder, wr::IpcResourceUpdateQueue& aResources,
+      const layers::StackingContextHelper& aSc,
+      layers::RenderRootStateManager* aManager,
+      nsDisplayListBuilder* aDisplayListBuilder, DisplaySVGGeometry* aItem,
+      bool aDryRun) override;
+
+ protected:
+  explicit SVGImageFrame(ComputedStyle* aStyle, nsPresContext* aPresContext)
+      : SVGGeometryFrame(aStyle, aPresContext, kClassID),
+        mReflowCallbackPosted(false),
+        mForceSyncDecoding(false) {
+    EnableVisibilityTracking();
+  }
+
+  virtual ~SVGImageFrame();
+
+ public:
+  NS_DECL_QUERYFRAME
+  NS_DECL_FRAMEARENA_HELPERS(SVGImageFrame)
+
+  // ISVGDisplayableFrame interface:
+  virtual void PaintSVG(gfxContext& aContext, const gfxMatrix& aTransform,
+                        imgDrawingParams& aImgParams,
+                        const nsIntRect* aDirtyRect = nullptr) override;
+  virtual nsIFrame* GetFrameForPoint(const gfxPoint& aPoint) override;
+  virtual void ReflowSVG() override;
+
+  // SVGGeometryFrame methods:
+  virtual uint16_t GetHitTestFlags() override;
+
+  // nsIFrame interface:
+  virtual nsresult AttributeChanged(int32_t aNameSpaceID, nsAtom* aAttribute,
+                                    int32_t aModType) override;
+
+  void OnVisibilityChange(
+      Visibility aNewVisibility,
+      const Maybe<OnNonvisible>& aNonvisibleAction = Nothing()) override;
+
+  virtual void Init(nsIContent* aContent, nsContainerFrame* aParent,
+                    nsIFrame* aPrevInFlow) override;
+  virtual void DestroyFrom(nsIFrame* aDestructRoot,
+                           PostDestroyData& aPostDestroyData) override;
+  void DidSetComputedStyle(ComputedStyle* aOldStyle) final;
+
+  bool GetIntrinsicImageDimensions(gfx::Size& aSize,
+                                   AspectRatio& aAspectRatio) const;
+
+#ifdef DEBUG_FRAME_DUMP
+  virtual nsresult GetFrameName(nsAString& aResult) const override {
+    return MakeFrameName(u"SVGImage"_ns, aResult);
+  }
+#endif
+
+  // nsIReflowCallback
+  virtual bool ReflowFinished() override;
+  virtual void ReflowCallbackCanceled() override;
+
+  /// Always sync decode our image when painting if @aForce is true.
+  void SetForceSyncDecoding(bool aForce) { mForceSyncDecoding = aForce; }
+
+ private:
+  gfx::Matrix GetRasterImageTransform(int32_t aNativeWidth,
+                                      int32_t aNativeHeight);
+  gfx::Matrix GetVectorImageTransform();
+  bool TransformContextForPainting(gfxContext* aGfxContext,
+                                   const gfxMatrix& aTransform);
+
+  nsCOMPtr<imgINotificationObserver> mListener;
+
+  nsCOMPtr<imgIContainer> mImageContainer;
+
+  bool mReflowCallbackPosted;
+  bool mForceSyncDecoding;
+
+  friend class SVGImageListener;
+};
+
+}  // namespace mozilla
+
+#endif  // LAYOUT_SVG_SVGIMAGEFRAME_H_