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comparison: layout/generic/nsHTMLCanvasFrame.h
layout/generic/nsHTMLCanvasFrame.h
- changeset 0
- 6474c204b198
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| -1:000000000000 | 0:53e336ab0d9c |
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| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 /* rendering object for the HTML <canvas> element */ | |
| 7 | |
| 8 #ifndef nsHTMLCanvasFrame_h___ | |
| 9 #define nsHTMLCanvasFrame_h___ | |
| 10 | |
| 11 #include "mozilla/Attributes.h" | |
| 12 #include "nsContainerFrame.h" | |
| 13 #include "FrameLayerBuilder.h" | |
| 14 | |
| 15 namespace mozilla { | |
| 16 namespace layers { | |
| 17 class Layer; | |
| 18 class LayerManager; | |
| 19 } | |
| 20 } | |
| 21 | |
| 22 class nsPresContext; | |
| 23 class nsDisplayItem; | |
| 24 class nsAString; | |
| 25 | |
| 26 nsIFrame* NS_NewHTMLCanvasFrame (nsIPresShell* aPresShell, nsStyleContext* aContext); | |
| 27 | |
| 28 class nsHTMLCanvasFrame : public nsContainerFrame | |
| 29 { | |
| 30 public: | |
| 31 typedef mozilla::layers::Layer Layer; | |
| 32 typedef mozilla::layers::LayerManager LayerManager; | |
| 33 typedef mozilla::ContainerLayerParameters ContainerLayerParameters; | |
| 34 | |
| 35 NS_DECL_QUERYFRAME_TARGET(nsHTMLCanvasFrame) | |
| 36 NS_DECL_QUERYFRAME | |
| 37 NS_DECL_FRAMEARENA_HELPERS | |
| 38 | |
| 39 nsHTMLCanvasFrame(nsStyleContext* aContext) : nsContainerFrame(aContext) {} | |
| 40 | |
| 41 virtual void Init(nsIContent* aContent, | |
| 42 nsIFrame* aParent, | |
| 43 nsIFrame* aPrevInFlow) MOZ_OVERRIDE; | |
| 44 | |
| 45 virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder, | |
| 46 const nsRect& aDirtyRect, | |
| 47 const nsDisplayListSet& aLists) MOZ_OVERRIDE; | |
| 48 | |
| 49 already_AddRefed<Layer> BuildLayer(nsDisplayListBuilder* aBuilder, | |
| 50 LayerManager* aManager, | |
| 51 nsDisplayItem* aItem, | |
| 52 const ContainerLayerParameters& aContainerParameters); | |
| 53 | |
| 54 /* get the size of the canvas's image */ | |
| 55 nsIntSize GetCanvasSize(); | |
| 56 | |
| 57 virtual nscoord GetMinWidth(nsRenderingContext *aRenderingContext) MOZ_OVERRIDE; | |
| 58 virtual nscoord GetPrefWidth(nsRenderingContext *aRenderingContext) MOZ_OVERRIDE; | |
| 59 virtual nsSize GetIntrinsicRatio() MOZ_OVERRIDE; | |
| 60 | |
| 61 virtual nsSize ComputeSize(nsRenderingContext *aRenderingContext, | |
| 62 nsSize aCBSize, nscoord aAvailableWidth, | |
| 63 nsSize aMargin, nsSize aBorder, nsSize aPadding, | |
| 64 uint32_t aFlags) MOZ_OVERRIDE; | |
| 65 | |
| 66 virtual nsresult Reflow(nsPresContext* aPresContext, | |
| 67 nsHTMLReflowMetrics& aDesiredSize, | |
| 68 const nsHTMLReflowState& aReflowState, | |
| 69 nsReflowStatus& aStatus) MOZ_OVERRIDE; | |
| 70 | |
| 71 nsRect GetInnerArea() const; | |
| 72 | |
| 73 #ifdef ACCESSIBILITY | |
| 74 virtual mozilla::a11y::AccType AccessibleType() MOZ_OVERRIDE; | |
| 75 #endif | |
| 76 | |
| 77 virtual nsIAtom* GetType() const MOZ_OVERRIDE; | |
| 78 | |
| 79 virtual bool IsFrameOfType(uint32_t aFlags) const MOZ_OVERRIDE | |
| 80 { | |
| 81 return nsSplittableFrame::IsFrameOfType(aFlags & ~(nsIFrame::eReplaced)); | |
| 82 } | |
| 83 | |
| 84 #ifdef DEBUG_FRAME_DUMP | |
| 85 virtual nsresult GetFrameName(nsAString& aResult) const MOZ_OVERRIDE; | |
| 86 #endif | |
| 87 | |
| 88 // Inserted child content gets its frames parented by our child block | |
| 89 virtual nsIFrame* GetContentInsertionFrame() MOZ_OVERRIDE { | |
| 90 return GetFirstPrincipalChild()->GetContentInsertionFrame(); | |
| 91 } | |
| 92 | |
| 93 protected: | |
| 94 virtual ~nsHTMLCanvasFrame(); | |
| 95 | |
| 96 nscoord GetContinuationOffset(nscoord* aWidth = 0) const; | |
| 97 | |
| 98 nsMargin mBorderPadding; | |
| 99 }; | |
| 100 | |
| 101 #endif /* nsHTMLCanvasFrame_h___ */ |
