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233 lines
8.5 KiB
C++
233 lines
8.5 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 nsTableOuterFrame_h__
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#define nsTableOuterFrame_h__
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#include "nscore.h"
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#include "nsContainerFrame.h"
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#include "nsBlockFrame.h"
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#include "nsITableLayout.h"
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#include "nsTableFrame.h"
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class nsTableCaptionFrame : public nsBlockFrame
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{
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public:
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NS_DECL_FRAMEARENA_HELPERS
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// nsISupports
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virtual nsIAtom* GetType() const;
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friend nsIFrame* NS_NewTableCaptionFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
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virtual nsSize ComputeAutoSize(nsRenderingContext *aRenderingContext,
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nsSize aCBSize, nscoord aAvailableWidth,
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nsSize aMargin, nsSize aBorder,
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nsSize aPadding, bool aShrinkWrap);
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virtual nsIFrame* GetParentStyleContextFrame() const;
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#ifdef ACCESSIBILITY
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virtual already_AddRefed<Accessible> CreateAccessible();
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#endif
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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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protected:
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nsTableCaptionFrame(nsStyleContext* aContext);
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virtual ~nsTableCaptionFrame();
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};
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/* TODO
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1. decide if we'll allow subclassing. If so, decide which methods really need to be virtual.
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*/
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/**
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* main frame for an nsTable content object,
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* the nsTableOuterFrame contains 0 or one caption frame, and a nsTableFrame
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* pseudo-frame (referred to as the "inner frame').
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*/
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class nsTableOuterFrame : public nsContainerFrame, public nsITableLayout
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{
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public:
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NS_DECL_QUERYFRAME
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NS_DECL_FRAMEARENA_HELPERS
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/** instantiate a new instance of nsTableRowFrame.
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* @param aPresShell the pres shell for this frame
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*
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* @return the frame that was created
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*/
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friend nsIFrame* NS_NewTableOuterFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
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// nsIFrame overrides - see there for a description
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virtual void DestroyFrom(nsIFrame* aDestructRoot);
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NS_IMETHOD SetInitialChildList(ChildListID aListID,
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nsFrameList& aChildList);
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virtual const nsFrameList& GetChildList(ChildListID aListID) const;
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virtual void GetChildLists(nsTArray<ChildList>* aLists) const;
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NS_IMETHOD AppendFrames(ChildListID aListID,
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nsFrameList& aFrameList);
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NS_IMETHOD InsertFrames(ChildListID aListID,
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nsIFrame* aPrevFrame,
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nsFrameList& aFrameList);
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NS_IMETHOD RemoveFrame(ChildListID aListID,
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nsIFrame* aOldFrame);
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virtual nsIFrame* GetContentInsertionFrame() {
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return GetFirstPrincipalChild()->GetContentInsertionFrame();
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}
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#ifdef ACCESSIBILITY
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virtual already_AddRefed<Accessible> CreateAccessible();
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#endif
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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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nsresult BuildDisplayListForInnerTable(nsDisplayListBuilder* aBuilder,
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const nsRect& aDirtyRect,
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const nsDisplayListSet& aLists);
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virtual nscoord GetBaseline() const;
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virtual nscoord GetMinWidth(nsRenderingContext *aRenderingContext);
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virtual nscoord GetPrefWidth(nsRenderingContext *aRenderingContext);
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virtual nsSize ComputeAutoSize(nsRenderingContext *aRenderingContext,
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nsSize aCBSize, nscoord aAvailableWidth,
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nsSize aMargin, nsSize aBorder,
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nsSize aPadding, bool aShrinkWrap);
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/** process a reflow command for the table.
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* This involves reflowing the caption and the inner table.
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* @see nsIFrame::Reflow */
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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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/**
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* Get the "type" of the frame
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*
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* @see nsGkAtoms::tableOuterFrame
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*/
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virtual nsIAtom* GetType() const;
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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 nsIFrame* GetParentStyleContextFrame() const;
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/*---------------- nsITableLayout methods ------------------------*/
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/** @see nsITableFrame::GetCellDataAt */
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NS_IMETHOD GetCellDataAt(PRInt32 aRowIndex, PRInt32 aColIndex,
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nsIDOMElement* &aCell, //out params
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PRInt32& aStartRowIndex, PRInt32& aStartColIndex,
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PRInt32& aRowSpan, PRInt32& aColSpan,
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PRInt32& aActualRowSpan, PRInt32& aActualColSpan,
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bool& aIsSelected);
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/** @see nsITableFrame::GetTableSize */
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NS_IMETHOD GetTableSize(PRInt32& aRowCount, PRInt32& aColCount);
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NS_IMETHOD GetIndexByRowAndColumn(PRInt32 aRow, PRInt32 aColumn, PRInt32 *aIndex);
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NS_IMETHOD GetRowAndColumnByIndex(PRInt32 aIndex, PRInt32 *aRow, PRInt32 *aColumn);
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protected:
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nsTableOuterFrame(nsStyleContext* aContext);
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virtual ~nsTableOuterFrame();
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void InitChildReflowState(nsPresContext& aPresContext,
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nsHTMLReflowState& aReflowState);
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/** Always returns 0, since the outer table frame has no border of its own
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* The inner table frame can answer this question in a meaningful way.
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* @see nsContainerFrame::GetSkipSides */
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virtual int GetSkipSides() const;
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PRUint8 GetCaptionSide(); // NS_STYLE_CAPTION_SIDE_* or NO_SIDE
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bool HasSideCaption() {
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PRUint8 captionSide = GetCaptionSide();
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return captionSide == NS_STYLE_CAPTION_SIDE_LEFT ||
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captionSide == NS_STYLE_CAPTION_SIDE_RIGHT;
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}
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PRUint8 GetCaptionVerticalAlign();
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void SetDesiredSize(PRUint8 aCaptionSide,
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const nsMargin& aInnerMargin,
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const nsMargin& aCaptionMargin,
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nscoord& aWidth,
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nscoord& aHeight);
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nsresult GetCaptionOrigin(PRUint32 aCaptionSide,
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const nsSize& aContainBlockSize,
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const nsSize& aInnerSize,
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const nsMargin& aInnerMargin,
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const nsSize& aCaptionSize,
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nsMargin& aCaptionMargin,
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nsPoint& aOrigin);
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nsresult GetInnerOrigin(PRUint32 aCaptionSide,
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const nsSize& aContainBlockSize,
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const nsSize& aCaptionSize,
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const nsMargin& aCaptionMargin,
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const nsSize& aInnerSize,
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nsMargin& aInnerMargin,
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nsPoint& aOrigin);
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// reflow the child (caption or innertable frame)
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void OuterBeginReflowChild(nsPresContext* aPresContext,
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nsIFrame* aChildFrame,
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const nsHTMLReflowState& aOuterRS,
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void* aChildRSSpace,
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nscoord aAvailWidth);
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nsresult OuterDoReflowChild(nsPresContext* aPresContext,
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nsIFrame* aChildFrame,
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const nsHTMLReflowState& aChildRS,
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nsHTMLReflowMetrics& aMetrics,
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nsReflowStatus& aStatus);
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// Set the reflow metrics
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void UpdateReflowMetrics(PRUint8 aCaptionSide,
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nsHTMLReflowMetrics& aMet,
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const nsMargin& aInnerMargin,
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const nsMargin& aCaptionMargin);
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// Get the margin. aMarginNoAuto is aMargin, but with auto
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// margins set to 0
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void GetChildMargin(nsPresContext* aPresContext,
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const nsHTMLReflowState& aOuterRS,
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nsIFrame* aChildFrame,
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nscoord aAvailableWidth,
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nsMargin& aMargin);
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nsTableFrame* InnerTableFrame() const {
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return static_cast<nsTableFrame*>(mFrames.FirstChild());
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}
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private:
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nsFrameList mCaptionFrames;
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};
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inline int nsTableOuterFrame::GetSkipSides() const
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{ return 0; }
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#endif
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