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comparison: layout/generic/nsFirstLetterFrame.h
layout/generic/nsFirstLetterFrame.h
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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 #ifndef nsFirstLetterFrame_h__ | |
| 7 #define nsFirstLetterFrame_h__ | |
| 8 | |
| 9 /* rendering object for CSS :first-letter pseudo-element */ | |
| 10 | |
| 11 #include "mozilla/Attributes.h" | |
| 12 #include "nsContainerFrame.h" | |
| 13 | |
| 14 class nsFirstLetterFrame MOZ_FINAL : public nsContainerFrame { | |
| 15 public: | |
| 16 NS_DECL_QUERYFRAME_TARGET(nsFirstLetterFrame) | |
| 17 NS_DECL_QUERYFRAME | |
| 18 NS_DECL_FRAMEARENA_HELPERS | |
| 19 | |
| 20 nsFirstLetterFrame(nsStyleContext* aContext) : nsContainerFrame(aContext) {} | |
| 21 | |
| 22 virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder, | |
| 23 const nsRect& aDirtyRect, | |
| 24 const nsDisplayListSet& aLists) MOZ_OVERRIDE; | |
| 25 | |
| 26 virtual void Init(nsIContent* aContent, | |
| 27 nsIFrame* aParent, | |
| 28 nsIFrame* aPrevInFlow) MOZ_OVERRIDE; | |
| 29 virtual nsresult SetInitialChildList(ChildListID aListID, | |
| 30 nsFrameList& aChildList) MOZ_OVERRIDE; | |
| 31 #ifdef DEBUG_FRAME_DUMP | |
| 32 virtual nsresult GetFrameName(nsAString& aResult) const MOZ_OVERRIDE; | |
| 33 #endif | |
| 34 virtual nsIAtom* GetType() const MOZ_OVERRIDE; | |
| 35 | |
| 36 bool IsFloating() const { return GetStateBits() & NS_FRAME_OUT_OF_FLOW; } | |
| 37 | |
| 38 virtual bool IsFrameOfType(uint32_t aFlags) const MOZ_OVERRIDE | |
| 39 { | |
| 40 if (!IsFloating()) | |
| 41 aFlags = aFlags & ~(nsIFrame::eLineParticipant); | |
| 42 return nsContainerFrame::IsFrameOfType(aFlags & | |
| 43 ~(nsIFrame::eBidiInlineContainer)); | |
| 44 } | |
| 45 | |
| 46 virtual nscoord GetMinWidth(nsRenderingContext *aRenderingContext) MOZ_OVERRIDE; | |
| 47 virtual nscoord GetPrefWidth(nsRenderingContext *aRenderingContext) MOZ_OVERRIDE; | |
| 48 virtual void AddInlineMinWidth(nsRenderingContext *aRenderingContext, | |
| 49 InlineMinWidthData *aData) MOZ_OVERRIDE; | |
| 50 virtual void AddInlinePrefWidth(nsRenderingContext *aRenderingContext, | |
| 51 InlinePrefWidthData *aData) MOZ_OVERRIDE; | |
| 52 virtual nsSize ComputeSize(nsRenderingContext *aRenderingContext, | |
| 53 nsSize aCBSize, nscoord aAvailableWidth, | |
| 54 nsSize aMargin, nsSize aBorder, nsSize aPadding, | |
| 55 uint32_t aFlags) MOZ_OVERRIDE; | |
| 56 virtual nsresult Reflow(nsPresContext* aPresContext, | |
| 57 nsHTMLReflowMetrics& aDesiredSize, | |
| 58 const nsHTMLReflowState& aReflowState, | |
| 59 nsReflowStatus& aStatus) MOZ_OVERRIDE; | |
| 60 | |
| 61 virtual bool CanContinueTextRun() const MOZ_OVERRIDE; | |
| 62 virtual nscoord GetBaseline() const MOZ_OVERRIDE; | |
| 63 virtual int GetLogicalSkipSides(const nsHTMLReflowState* aReflowState = nullptr) const MOZ_OVERRIDE; | |
| 64 | |
| 65 //override of nsFrame method | |
| 66 virtual nsresult GetChildFrameContainingOffset(int32_t inContentOffset, | |
| 67 bool inHint, | |
| 68 int32_t* outFrameContentOffset, | |
| 69 nsIFrame** outChildFrame) MOZ_OVERRIDE; | |
| 70 | |
| 71 nscoord GetFirstLetterBaseline() const { return mBaseline; } | |
| 72 | |
| 73 // For floating first letter frames, create a continuation for aChild and | |
| 74 // place it in the correct place. aContinuation is an outparam for the | |
| 75 // continuation that is created. aIsFluid determines if the continuation is | |
| 76 // fluid or not. | |
| 77 nsresult CreateContinuationForFloatingParent(nsPresContext* aPresContext, | |
| 78 nsIFrame* aChild, | |
| 79 nsIFrame** aContinuation, | |
| 80 bool aIsFluid); | |
| 81 | |
| 82 protected: | |
| 83 nscoord mBaseline; | |
| 84 | |
| 85 void DrainOverflowFrames(nsPresContext* aPresContext); | |
| 86 }; | |
| 87 | |
| 88 #endif /* nsFirstLetterFrame_h__ */ |
