1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/layout/generic/nsFirstLetterFrame.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,88 @@
1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +#ifndef nsFirstLetterFrame_h__
1.10 +#define nsFirstLetterFrame_h__
1.11 +
1.12 +/* rendering object for CSS :first-letter pseudo-element */
1.13 +
1.14 +#include "mozilla/Attributes.h"
1.15 +#include "nsContainerFrame.h"
1.16 +
1.17 +class nsFirstLetterFrame MOZ_FINAL : public nsContainerFrame {
1.18 +public:
1.19 + NS_DECL_QUERYFRAME_TARGET(nsFirstLetterFrame)
1.20 + NS_DECL_QUERYFRAME
1.21 + NS_DECL_FRAMEARENA_HELPERS
1.22 +
1.23 + nsFirstLetterFrame(nsStyleContext* aContext) : nsContainerFrame(aContext) {}
1.24 +
1.25 + virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder,
1.26 + const nsRect& aDirtyRect,
1.27 + const nsDisplayListSet& aLists) MOZ_OVERRIDE;
1.28 +
1.29 + virtual void Init(nsIContent* aContent,
1.30 + nsIFrame* aParent,
1.31 + nsIFrame* aPrevInFlow) MOZ_OVERRIDE;
1.32 + virtual nsresult SetInitialChildList(ChildListID aListID,
1.33 + nsFrameList& aChildList) MOZ_OVERRIDE;
1.34 +#ifdef DEBUG_FRAME_DUMP
1.35 + virtual nsresult GetFrameName(nsAString& aResult) const MOZ_OVERRIDE;
1.36 +#endif
1.37 + virtual nsIAtom* GetType() const MOZ_OVERRIDE;
1.38 +
1.39 + bool IsFloating() const { return GetStateBits() & NS_FRAME_OUT_OF_FLOW; }
1.40 +
1.41 + virtual bool IsFrameOfType(uint32_t aFlags) const MOZ_OVERRIDE
1.42 + {
1.43 + if (!IsFloating())
1.44 + aFlags = aFlags & ~(nsIFrame::eLineParticipant);
1.45 + return nsContainerFrame::IsFrameOfType(aFlags &
1.46 + ~(nsIFrame::eBidiInlineContainer));
1.47 + }
1.48 +
1.49 + virtual nscoord GetMinWidth(nsRenderingContext *aRenderingContext) MOZ_OVERRIDE;
1.50 + virtual nscoord GetPrefWidth(nsRenderingContext *aRenderingContext) MOZ_OVERRIDE;
1.51 + virtual void AddInlineMinWidth(nsRenderingContext *aRenderingContext,
1.52 + InlineMinWidthData *aData) MOZ_OVERRIDE;
1.53 + virtual void AddInlinePrefWidth(nsRenderingContext *aRenderingContext,
1.54 + InlinePrefWidthData *aData) MOZ_OVERRIDE;
1.55 + virtual nsSize ComputeSize(nsRenderingContext *aRenderingContext,
1.56 + nsSize aCBSize, nscoord aAvailableWidth,
1.57 + nsSize aMargin, nsSize aBorder, nsSize aPadding,
1.58 + uint32_t aFlags) MOZ_OVERRIDE;
1.59 + virtual nsresult Reflow(nsPresContext* aPresContext,
1.60 + nsHTMLReflowMetrics& aDesiredSize,
1.61 + const nsHTMLReflowState& aReflowState,
1.62 + nsReflowStatus& aStatus) MOZ_OVERRIDE;
1.63 +
1.64 + virtual bool CanContinueTextRun() const MOZ_OVERRIDE;
1.65 + virtual nscoord GetBaseline() const MOZ_OVERRIDE;
1.66 + virtual int GetLogicalSkipSides(const nsHTMLReflowState* aReflowState = nullptr) const MOZ_OVERRIDE;
1.67 +
1.68 +//override of nsFrame method
1.69 + virtual nsresult GetChildFrameContainingOffset(int32_t inContentOffset,
1.70 + bool inHint,
1.71 + int32_t* outFrameContentOffset,
1.72 + nsIFrame** outChildFrame) MOZ_OVERRIDE;
1.73 +
1.74 + nscoord GetFirstLetterBaseline() const { return mBaseline; }
1.75 +
1.76 + // For floating first letter frames, create a continuation for aChild and
1.77 + // place it in the correct place. aContinuation is an outparam for the
1.78 + // continuation that is created. aIsFluid determines if the continuation is
1.79 + // fluid or not.
1.80 + nsresult CreateContinuationForFloatingParent(nsPresContext* aPresContext,
1.81 + nsIFrame* aChild,
1.82 + nsIFrame** aContinuation,
1.83 + bool aIsFluid);
1.84 +
1.85 +protected:
1.86 + nscoord mBaseline;
1.87 +
1.88 + void DrainOverflowFrames(nsPresContext* aPresContext);
1.89 +};
1.90 +
1.91 +#endif /* nsFirstLetterFrame_h__ */
