Adding upstream version 124.0.1.upstream/124.0.1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 180 insertions, 0 deletions

diff --git a/layout/svg/SVGImageFrame.h b/layout/svg/SVGImageFrame.h
new file mode 100644
index 0000000000..24be0ce78f
--- /dev/null
+++ b/layout/svg/SVGImageFrame.h
@@ -0,0 +1,180 @@
+/* -*- 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 "mozilla/gfx/2D.h"
+#include "mozilla/DisplaySVGItem.h"
+#include "mozilla/ISVGDisplayableFrame.h"
+#include "gfxContext.h"
+#include "gfxPlatform.h"
+#include "imgIContainer.h"
+#include "nsContainerFrame.h"
+#include "imgINotificationObserver.h"
+#include "nsIReflowCallback.h"
+
+namespace mozilla {
+class DisplaySVGImage;
+class PresShell;
+}  // namespace mozilla
+
+nsIFrame* NS_NewSVGImageFrame(mozilla::PresShell* aPresShell,
+                              mozilla::ComputedStyle* aStyle);
+
+namespace mozilla {
+
+class SVGImageFrame final : public nsIFrame,
+                            public ISVGDisplayableFrame,
+                            public nsIReflowCallback {
+  friend nsIFrame* ::NS_NewSVGImageFrame(mozilla::PresShell* aPresShell,
+                                         ComputedStyle* aStyle);
+
+  friend class DisplaySVGImage;
+
+  bool CreateWebRenderCommands(wr::DisplayListBuilder& aBuilder,
+                               wr::IpcResourceUpdateQueue& aResources,
+                               const layers::StackingContextHelper& aSc,
+                               layers::RenderRootStateManager* aManager,
+                               nsDisplayListBuilder* aDisplayListBuilder,
+                               DisplaySVGImage* aItem, bool aDryRun);
+
+ private:
+  explicit SVGImageFrame(ComputedStyle* aStyle, nsPresContext* aPresContext)
+      : nsIFrame(aStyle, aPresContext, kClassID),
+        mReflowCallbackPosted(false),
+        mForceSyncDecoding(false) {
+    AddStateBits(NS_FRAME_SVG_LAYOUT | NS_FRAME_MAY_BE_TRANSFORMED);
+    EnableVisibilityTracking();
+  }
+
+  virtual ~SVGImageFrame();
+
+ public:
+  NS_DECL_QUERYFRAME
+  NS_DECL_FRAMEARENA_HELPERS(SVGImageFrame)
+
+  // 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 false; }
+
+  // nsIFrame interface:
+  void BuildDisplayList(nsDisplayListBuilder* aBuilder,
+                        const nsDisplayListSet& aLists) override;
+
+  nsresult AttributeChanged(int32_t aNameSpaceID, nsAtom* aAttribute,
+                            int32_t aModType) override;
+
+  void OnVisibilityChange(
+      Visibility aNewVisibility,
+      const Maybe<OnNonvisible>& aNonvisibleAction = Nothing()) override;
+
+  void Init(nsIContent* aContent, nsContainerFrame* aParent,
+            nsIFrame* aPrevInFlow) override;
+  void Destroy(DestroyContext&) override;
+
+  void DidSetComputedStyle(ComputedStyle* aOldStyle) final;
+
+  bool IsSVGTransformed(Matrix* aOwnTransforms = nullptr,
+                        Matrix* aFromParentTransforms = nullptr) const override;
+
+  bool GetIntrinsicImageDimensions(gfx::Size& aSize,
+                                   AspectRatio& aAspectRatio) const;
+
+#ifdef DEBUG_FRAME_DUMP
+  nsresult GetFrameName(nsAString& aResult) const override {
+    return MakeFrameName(u"SVGImage"_ns, aResult);
+  }
+#endif
+
+  // nsIReflowCallback
+  bool ReflowFinished() override;
+  void ReflowCallbackCanceled() override;
+
+  /// Always sync decode our image when painting if @aForce is true.
+  void SetForceSyncDecoding(bool aForce) { mForceSyncDecoding = aForce; }
+
+  // SVGImageFrame methods:
+  bool IsInvisible() const;
+
+ private:
+  bool IgnoreHitTest() const;
+
+  already_AddRefed<imgIRequest> GetCurrentRequest() const;
+
+  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;
+};
+
+//----------------------------------------------------------------------
+// Display list item:
+
+class DisplaySVGImage final : public DisplaySVGItem {
+ public:
+  DisplaySVGImage(nsDisplayListBuilder* aBuilder, SVGImageFrame* aFrame)
+      : DisplaySVGItem(aBuilder, aFrame) {
+    MOZ_COUNT_CTOR(DisplaySVGImage);
+  }
+
+  MOZ_COUNTED_DTOR_OVERRIDE(DisplaySVGImage)
+
+  NS_DISPLAY_DECL_NAME("DisplaySVGImage", TYPE_SVG_IMAGE)
+
+  // Whether this part of the SVG should be natively handled by webrender,
+  // potentially becoming an "active layer" inside a blob image.
+  bool ShouldBeActive(mozilla::wr::DisplayListBuilder& aBuilder,
+                      mozilla::wr::IpcResourceUpdateQueue& aResources,
+                      const mozilla::layers::StackingContextHelper& aSc,
+                      mozilla::layers::RenderRootStateManager* aManager,
+                      nsDisplayListBuilder* aDisplayListBuilder) {
+    auto* frame = static_cast<SVGImageFrame*>(mFrame);
+    return frame->CreateWebRenderCommands(aBuilder, aResources, aSc, aManager,
+                                          aDisplayListBuilder, this,
+                                          /*aDryRun=*/true);
+  }
+
+  bool CreateWebRenderCommands(
+      mozilla::wr::DisplayListBuilder& aBuilder,
+      mozilla::wr::IpcResourceUpdateQueue& aResources,
+      const mozilla::layers::StackingContextHelper& aSc,
+      mozilla::layers::RenderRootStateManager* aManager,
+      nsDisplayListBuilder* aDisplayListBuilder) override {
+    auto* frame = static_cast<SVGImageFrame*>(mFrame);
+    bool result = frame->CreateWebRenderCommands(aBuilder, aResources, aSc,
+                                                 aManager, aDisplayListBuilder,
+                                                 this, /*aDryRun=*/false);
+    MOZ_ASSERT(result, "ShouldBeActive inconsistent with CreateWRCommands?");
+    return result;
+  }
+
+  bool IsInvisible() const override {
+    auto* frame = static_cast<SVGImageFrame*>(mFrame);
+    return frame->IsInvisible();
+  }
+};
+
+}  // namespace mozilla
+
+#endif  // LAYOUT_SVG_SVGIMAGEFRAME_H_