michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef nsFirstLetterFrame_h__
michael@0: #define nsFirstLetterFrame_h__
michael@0: 
michael@0: /* rendering object for CSS :first-letter pseudo-element */
michael@0: 
michael@0: #include "mozilla/Attributes.h"
michael@0: #include "nsContainerFrame.h"
michael@0: 
michael@0: class nsFirstLetterFrame MOZ_FINAL : public nsContainerFrame {
michael@0: public:
michael@0:   NS_DECL_QUERYFRAME_TARGET(nsFirstLetterFrame)
michael@0:   NS_DECL_QUERYFRAME
michael@0:   NS_DECL_FRAMEARENA_HELPERS
michael@0: 
michael@0:   nsFirstLetterFrame(nsStyleContext* aContext) : nsContainerFrame(aContext) {}
michael@0: 
michael@0:   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
michael@0:                                 const nsRect&           aDirtyRect,
michael@0:                                 const nsDisplayListSet& aLists) MOZ_OVERRIDE;
michael@0: 
michael@0:   virtual void Init(nsIContent*      aContent,
michael@0:                     nsIFrame*        aParent,
michael@0:                     nsIFrame*        aPrevInFlow) MOZ_OVERRIDE;
michael@0:   virtual nsresult SetInitialChildList(ChildListID     aListID,
michael@0:                                        nsFrameList&    aChildList) MOZ_OVERRIDE;
michael@0: #ifdef DEBUG_FRAME_DUMP
michael@0:   virtual nsresult GetFrameName(nsAString& aResult) const MOZ_OVERRIDE;
michael@0: #endif
michael@0:   virtual nsIAtom* GetType() const MOZ_OVERRIDE;
michael@0: 
michael@0:   bool IsFloating() const { return GetStateBits() & NS_FRAME_OUT_OF_FLOW; }
michael@0: 
michael@0:   virtual bool IsFrameOfType(uint32_t aFlags) const MOZ_OVERRIDE
michael@0:   {
michael@0:     if (!IsFloating())
michael@0:       aFlags = aFlags & ~(nsIFrame::eLineParticipant);
michael@0:     return nsContainerFrame::IsFrameOfType(aFlags &
michael@0:       ~(nsIFrame::eBidiInlineContainer));
michael@0:   }
michael@0: 
michael@0:   virtual nscoord GetMinWidth(nsRenderingContext *aRenderingContext) MOZ_OVERRIDE;
michael@0:   virtual nscoord GetPrefWidth(nsRenderingContext *aRenderingContext) MOZ_OVERRIDE;
michael@0:   virtual void AddInlineMinWidth(nsRenderingContext *aRenderingContext,
michael@0:                                  InlineMinWidthData *aData) MOZ_OVERRIDE;
michael@0:   virtual void AddInlinePrefWidth(nsRenderingContext *aRenderingContext,
michael@0:                                   InlinePrefWidthData *aData) MOZ_OVERRIDE;
michael@0:   virtual nsSize ComputeSize(nsRenderingContext *aRenderingContext,
michael@0:                              nsSize aCBSize, nscoord aAvailableWidth,
michael@0:                              nsSize aMargin, nsSize aBorder, nsSize aPadding,
michael@0:                              uint32_t aFlags) MOZ_OVERRIDE;
michael@0:   virtual nsresult Reflow(nsPresContext*           aPresContext,
michael@0:                           nsHTMLReflowMetrics&     aDesiredSize,
michael@0:                           const nsHTMLReflowState& aReflowState,
michael@0:                           nsReflowStatus&          aStatus) MOZ_OVERRIDE;
michael@0: 
michael@0:   virtual bool CanContinueTextRun() const MOZ_OVERRIDE;
michael@0:   virtual nscoord GetBaseline() const MOZ_OVERRIDE;
michael@0:   virtual int GetLogicalSkipSides(const nsHTMLReflowState* aReflowState = nullptr) const MOZ_OVERRIDE;
michael@0: 
michael@0: //override of nsFrame method
michael@0:   virtual nsresult GetChildFrameContainingOffset(int32_t inContentOffset,
michael@0:                                                  bool inHint,
michael@0:                                                  int32_t* outFrameContentOffset,
michael@0:                                                  nsIFrame** outChildFrame) MOZ_OVERRIDE;
michael@0: 
michael@0:   nscoord GetFirstLetterBaseline() const { return mBaseline; }
michael@0: 
michael@0:   // For floating first letter frames, create a continuation for aChild and
michael@0:   // place it in the correct place. aContinuation is an outparam for the
michael@0:   // continuation that is created. aIsFluid determines if the continuation is
michael@0:   // fluid or not.
michael@0:   nsresult CreateContinuationForFloatingParent(nsPresContext* aPresContext,
michael@0:                                                nsIFrame* aChild,
michael@0:                                                nsIFrame** aContinuation,
michael@0:                                                bool aIsFluid);
michael@0: 
michael@0: protected:
michael@0:   nscoord mBaseline;
michael@0: 
michael@0:   void DrainOverflowFrames(nsPresContext* aPresContext);
michael@0: };
michael@0: 
michael@0: #endif /* nsFirstLetterFrame_h__ */