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89 lines
3.5 KiB
C++
89 lines
3.5 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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#ifndef nsFirstLetterFrame_h__
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#define nsFirstLetterFrame_h__
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/* rendering object for CSS :first-letter pseudo-element */
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#include "nsContainerFrame.h"
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class nsFirstLetterFrame : public nsContainerFrame {
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public:
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NS_DECL_QUERYFRAME_TARGET(nsFirstLetterFrame)
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NS_DECL_QUERYFRAME
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NS_DECL_FRAMEARENA_HELPERS
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nsFirstLetterFrame(nsStyleContext* aContext) : nsContainerFrame(aContext) {}
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NS_IMETHOD BuildDisplayList(nsDisplayListBuilder* aBuilder,
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const nsRect& aDirtyRect,
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const nsDisplayListSet& aLists);
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NS_IMETHOD Init(nsIContent* aContent,
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nsIFrame* aParent,
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nsIFrame* aPrevInFlow);
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NS_IMETHOD SetInitialChildList(ChildListID aListID,
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nsFrameList& aChildList);
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#ifdef DEBUG
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NS_IMETHOD GetFrameName(nsAString& aResult) const;
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#endif
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virtual nsIAtom* GetType() const;
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bool IsFloating() const { return GetStateBits() & NS_FRAME_OUT_OF_FLOW; }
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virtual bool IsFrameOfType(PRUint32 aFlags) const
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{
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if (!IsFloating())
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aFlags = aFlags & ~(nsIFrame::eLineParticipant);
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return nsContainerFrame::IsFrameOfType(aFlags &
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~(nsIFrame::eBidiInlineContainer));
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}
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virtual nscoord GetMinWidth(nsRenderingContext *aRenderingContext);
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virtual nscoord GetPrefWidth(nsRenderingContext *aRenderingContext);
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virtual void AddInlineMinWidth(nsRenderingContext *aRenderingContext,
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InlineMinWidthData *aData);
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virtual void AddInlinePrefWidth(nsRenderingContext *aRenderingContext,
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InlinePrefWidthData *aData);
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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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PRUint32 aFlags) MOZ_OVERRIDE;
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NS_IMETHOD Reflow(nsPresContext* aPresContext,
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nsHTMLReflowMetrics& aDesiredSize,
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const nsHTMLReflowState& aReflowState,
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nsReflowStatus& aStatus);
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virtual bool CanContinueTextRun() const;
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virtual nscoord GetBaseline() const;
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//override of nsFrame method
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NS_IMETHOD GetChildFrameContainingOffset(PRInt32 inContentOffset,
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bool inHint,
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PRInt32* outFrameContentOffset,
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nsIFrame **outChildFrame);
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nscoord GetFirstLetterBaseline() const { return mBaseline; }
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// For floating first letter frames, create a continuation for aChild and
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// place it in the correct place. aContinuation is an outparam for the
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// continuation that is created. aIsFluid determines if the continuation is
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// fluid or not.
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nsresult CreateContinuationForFloatingParent(nsPresContext* aPresContext,
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nsIFrame* aChild,
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nsIFrame** aContinuation,
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bool aIsFluid);
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protected:
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nscoord mBaseline;
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virtual PRIntn GetSkipSides() const;
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void DrainOverflowFrames(nsPresContext* aPresContext);
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};
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#endif /* nsFirstLetterFrame_h__ */
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