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4bfe3c39fd
Backed out changeset e2ab653f688a (bug 1008917) Backed out changeset b52154d8d900 (bug 1008917) Backed out changeset 2ab5b01da4de (bug 1008917) Backed out changeset f7a38df1d44f (bug 1008917) Backed out changeset 80304bb9a572 (bug 1008917) Backed out changeset 10ed89a302e9 (bug 1008917) Backed out changeset 161c41991d46 (bug 1008917) Backed out changeset 25b2475d2368 (bug 1008917) Backed out changeset b8000b31277c (bug 1008917) Backed out changeset 9afa5e7715e1 (bug 1008917) Backed out changeset 5c380c21351f (bug 1008917)
102 lines
3.3 KiB
C++
102 lines
3.3 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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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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/* rendering object for the HTML <canvas> element */
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#ifndef nsHTMLCanvasFrame_h___
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#define nsHTMLCanvasFrame_h___
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#include "mozilla/Attributes.h"
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#include "nsContainerFrame.h"
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#include "FrameLayerBuilder.h"
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namespace mozilla {
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namespace layers {
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class Layer;
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class LayerManager;
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}
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}
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class nsPresContext;
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class nsDisplayItem;
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class nsAString;
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nsIFrame* NS_NewHTMLCanvasFrame (nsIPresShell* aPresShell, nsStyleContext* aContext);
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class nsHTMLCanvasFrame : public nsContainerFrame
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{
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public:
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typedef mozilla::layers::Layer Layer;
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typedef mozilla::layers::LayerManager LayerManager;
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typedef mozilla::ContainerLayerParameters ContainerLayerParameters;
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NS_DECL_QUERYFRAME_TARGET(nsHTMLCanvasFrame)
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NS_DECL_QUERYFRAME
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NS_DECL_FRAMEARENA_HELPERS
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nsHTMLCanvasFrame(nsStyleContext* aContext) : nsContainerFrame(aContext) {}
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virtual void Init(nsIContent* aContent,
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nsIFrame* aParent,
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nsIFrame* aPrevInFlow) MOZ_OVERRIDE;
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virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder,
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const nsRect& aDirtyRect,
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const nsDisplayListSet& aLists) MOZ_OVERRIDE;
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already_AddRefed<Layer> BuildLayer(nsDisplayListBuilder* aBuilder,
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LayerManager* aManager,
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nsDisplayItem* aItem,
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const ContainerLayerParameters& aContainerParameters);
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/* get the size of the canvas's image */
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nsIntSize GetCanvasSize();
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virtual nscoord GetMinWidth(nsRenderingContext *aRenderingContext) MOZ_OVERRIDE;
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virtual nscoord GetPrefWidth(nsRenderingContext *aRenderingContext) MOZ_OVERRIDE;
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virtual nsSize GetIntrinsicRatio() MOZ_OVERRIDE;
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virtual nsSize ComputeSize(nsRenderingContext *aRenderingContext,
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nsSize aCBSize, nscoord aAvailableWidth,
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nsSize aMargin, nsSize aBorder, nsSize aPadding,
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uint32_t aFlags) MOZ_OVERRIDE;
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virtual nsresult Reflow(nsPresContext* aPresContext,
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nsHTMLReflowMetrics& aDesiredSize,
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const nsHTMLReflowState& aReflowState,
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nsReflowStatus& aStatus) MOZ_OVERRIDE;
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nsRect GetInnerArea() const;
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#ifdef ACCESSIBILITY
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virtual mozilla::a11y::AccType AccessibleType() MOZ_OVERRIDE;
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#endif
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virtual nsIAtom* GetType() const MOZ_OVERRIDE;
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virtual bool IsFrameOfType(uint32_t aFlags) const MOZ_OVERRIDE
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{
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return nsSplittableFrame::IsFrameOfType(aFlags & ~(nsIFrame::eReplaced));
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}
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#ifdef DEBUG_FRAME_DUMP
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virtual nsresult GetFrameName(nsAString& aResult) const MOZ_OVERRIDE;
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#endif
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// Inserted child content gets its frames parented by our child block
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virtual nsIFrame* GetContentInsertionFrame() MOZ_OVERRIDE {
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return GetFirstPrincipalChild()->GetContentInsertionFrame();
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}
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protected:
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virtual ~nsHTMLCanvasFrame();
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nscoord GetContinuationOffset(nscoord* aWidth = 0) const;
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nsMargin mBorderPadding;
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};
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#endif /* nsHTMLCanvasFrame_h___ */
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