зеркало из https://github.com/mozilla/pjs.git
1041 строка
34 KiB
C++
1041 строка
34 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#include "nsTableCellFrame.h"
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#include "nsTableColFrame.h"
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#include "nsTableFrame.h"
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#include "nsIReflowCommand.h"
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#include "nsIStyleContext.h"
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#include "nsStyleConsts.h"
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#include "nsIPresContext.h"
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#include "nsIRenderingContext.h"
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#include "nsCSSRendering.h"
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#include "nsIContent.h"
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#include "nsIHTMLContent.h"
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#include "nsHTMLIIDs.h"
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#include "nsHTMLParts.h"
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#include "nsHTMLValue.h"
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#include "nsHTMLAtoms.h"
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#include "nsHTMLIIDs.h"
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#include "nsVoidArray.h"
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#include "nsIPtr.h"
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#include "nsIView.h"
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#include "nsStyleUtil.h"
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NS_DEF_PTR(nsIStyleContext);
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#ifdef NS_DEBUG
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static PRBool gsDebug = PR_FALSE;
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static PRBool gsDebugNT = PR_FALSE;
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//#define NOISY_STYLE
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//#define NOISY_FLOW
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#else
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static const PRBool gsDebug = PR_FALSE;
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static const PRBool gsDebugNT = PR_FALSE;
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#endif
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void nsTableCellFrame::InitCellFrame(PRInt32 aColIndex)
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{
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NS_PRECONDITION(0<=aColIndex, "bad col index arg");
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mColIndex = aColIndex;
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mBorderEdges.mOutsideEdge=PR_FALSE;
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nsTableFrame* tableFrame=nsnull; // I should be checking my own style context, but border-collapse isn't inheriting correctly
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nsresult rv = nsTableFrame::GetTableFrame(this, tableFrame);
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if ((NS_SUCCEEDED(rv)) && (nsnull!=tableFrame))
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{
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const nsStyleTable* tableStyle;
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tableFrame->GetStyleData(eStyleStruct_Table, ((const nsStyleStruct *&)tableStyle));
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if (NS_STYLE_BORDER_COLLAPSE==tableStyle->mBorderCollapse)
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{
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PRInt32 rowspan = GetRowSpan();
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PRInt32 i;
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for (i=0; i<rowspan; i++)
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{
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nsBorderEdge *borderToAdd = new nsBorderEdge();
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mBorderEdges.mEdges[NS_SIDE_LEFT].AppendElement(borderToAdd);
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borderToAdd = new nsBorderEdge();
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mBorderEdges.mEdges[NS_SIDE_RIGHT].AppendElement(borderToAdd);
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}
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PRInt32 colspan = GetColSpan();
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for (i=0; i<colspan; i++)
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{
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nsBorderEdge *borderToAdd = new nsBorderEdge();
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mBorderEdges.mEdges[NS_SIDE_TOP].AppendElement(borderToAdd);
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borderToAdd = new nsBorderEdge();
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mBorderEdges.mEdges[NS_SIDE_BOTTOM].AppendElement(borderToAdd);
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}
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}
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}
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}
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void nsTableCellFrame::SetBorderEdgeLength(PRUint8 aSide,
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PRInt32 aIndex,
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nscoord aLength)
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{
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if ((NS_SIDE_LEFT==aSide) || (NS_SIDE_RIGHT==aSide))
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{
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PRInt32 rowIndex = aIndex-GetRowIndex();
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nsBorderEdge *border = (nsBorderEdge *)(mBorderEdges.mEdges[aSide].ElementAt(rowIndex));
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border->mLength = aLength;
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}
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else {
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NS_ASSERTION(PR_FALSE, "bad arg aSide passed to SetBorderEdgeLength");
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}
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}
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NS_METHOD nsTableCellFrame::Paint(nsIPresContext& aPresContext,
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nsIRenderingContext& aRenderingContext,
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const nsRect& aDirtyRect,
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nsFramePaintLayer aWhichLayer)
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{
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if (eFramePaintLayer_Underlay == aWhichLayer) {
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const nsStyleDisplay* disp =
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(const nsStyleDisplay*)mStyleContext->GetStyleData(eStyleStruct_Display);
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if (disp->mVisible) {
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const nsStyleColor* myColor =
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(const nsStyleColor*)mStyleContext->GetStyleData(eStyleStruct_Color);
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const nsStyleSpacing* mySpacing =
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(const nsStyleSpacing*)mStyleContext->GetStyleData(eStyleStruct_Spacing);
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NS_ASSERTION(nsnull!=myColor, "bad style color");
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NS_ASSERTION(nsnull!=mySpacing, "bad style spacing");
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const nsStyleTable* cellTableStyle;
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GetStyleData(eStyleStruct_Table, ((const nsStyleStruct *&)cellTableStyle));
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nsRect rect(0, 0, mRect.width, mRect.height);
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nsCSSRendering::PaintBackground(aPresContext, aRenderingContext, this,
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aDirtyRect, rect, *myColor, *mySpacing, 0, 0);
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// empty cells do not render their border
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PRBool renderBorder = PR_TRUE;
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if (PR_TRUE==GetContentEmpty())
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{
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if (NS_STYLE_TABLE_EMPTY_CELLS_HIDE==cellTableStyle->mEmptyCells)
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renderBorder=PR_FALSE;
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}
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if (PR_TRUE==renderBorder)
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{
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PRIntn skipSides = GetSkipSides();
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nsTableFrame* tableFrame=nsnull; // I should be checking my own style context, but border-collapse isn't inheriting correctly
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nsresult rv = nsTableFrame::GetTableFrame(this, tableFrame);
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if ((NS_SUCCEEDED(rv)) && (nsnull!=tableFrame))
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{
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const nsStyleTable* tableStyle;
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tableFrame->GetStyleData(eStyleStruct_Table, ((const nsStyleStruct *&)tableStyle));
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if (NS_STYLE_BORDER_SEPARATE==tableStyle->mBorderCollapse)
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{
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nsCSSRendering::PaintBorder(aPresContext, aRenderingContext, this,
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aDirtyRect, rect, *mySpacing, mStyleContext, skipSides);
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}
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else
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{
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//printf("-- Paint cell (%d %d)\n", GetRowIndex(), GetColIndex());
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nsCSSRendering::PaintBorderEdges(aPresContext, aRenderingContext, this,
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aDirtyRect, rect, &mBorderEdges, mStyleContext, skipSides);
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}
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}
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}
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}
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}
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// for debug...
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if ((eFramePaintLayer_Overlay == aWhichLayer) && GetShowFrameBorders()) {
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aRenderingContext.SetColor(NS_RGB(0, 0, 128));
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aRenderingContext.DrawRect(0, 0, mRect.width, mRect.height);
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}
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PaintChildren(aPresContext, aRenderingContext, aDirtyRect, aWhichLayer);
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return NS_OK;
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}
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PRIntn
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nsTableCellFrame::GetSkipSides() const
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{
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PRIntn skip = 0;
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if (nsnull != mPrevInFlow) {
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skip |= 1 << NS_SIDE_TOP;
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}
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if (nsnull != mNextInFlow) {
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skip |= 1 << NS_SIDE_BOTTOM;
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}
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return skip;
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}
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void nsTableCellFrame::SetBorderEdge(PRUint8 aSide,
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PRInt32 aRowIndex,
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PRInt32 aColIndex,
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nsBorderEdge *aBorder,
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nscoord aOddAmountToAdd)
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{
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nsBorderEdge *border = nsnull;
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switch (aSide)
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{
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case NS_SIDE_TOP:
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{
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PRInt32 colIndex = aColIndex-GetColIndex();
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border = (nsBorderEdge *)(mBorderEdges.mEdges[aSide].ElementAt(colIndex));
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mBorderEdges.mMaxBorderWidth.top = PR_MAX(aBorder->mWidth+aOddAmountToAdd, mBorderEdges.mMaxBorderWidth.top);
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break;
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}
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case NS_SIDE_BOTTOM:
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{
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PRInt32 colIndex = aColIndex-GetColIndex();
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border = (nsBorderEdge *)(mBorderEdges.mEdges[aSide].ElementAt(colIndex));
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mBorderEdges.mMaxBorderWidth.bottom = PR_MAX(aBorder->mWidth+aOddAmountToAdd, mBorderEdges.mMaxBorderWidth.bottom);
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break;
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}
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case NS_SIDE_LEFT:
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{
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PRInt32 rowIndex = aRowIndex-GetRowIndex();
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border = (nsBorderEdge *)(mBorderEdges.mEdges[aSide].ElementAt(rowIndex));
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mBorderEdges.mMaxBorderWidth.left = PR_MAX(aBorder->mWidth+aOddAmountToAdd, mBorderEdges.mMaxBorderWidth.left);
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break;
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}
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case NS_SIDE_RIGHT:
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{
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PRInt32 rowIndex = aRowIndex-GetRowIndex();
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border = (nsBorderEdge *)(mBorderEdges.mEdges[aSide].ElementAt(rowIndex));
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mBorderEdges.mMaxBorderWidth.right = PR_MAX(aBorder->mWidth+aOddAmountToAdd, mBorderEdges.mMaxBorderWidth.right);
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break;
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}
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}
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if (nsnull!=border) {
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*border=*aBorder;
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border->mWidth += aOddAmountToAdd;
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}
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else {
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NS_ASSERTION(PR_FALSE, "bad border edge state");
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}
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}
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/**
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*
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* Align the cell's child frame within the cell
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*
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*/
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void nsTableCellFrame::VerticallyAlignChild()
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{
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const nsStyleSpacing* spacing =
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(const nsStyleSpacing*)mStyleContext->GetStyleData(eStyleStruct_Spacing);
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const nsStyleText* textStyle =
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(const nsStyleText*)mStyleContext->GetStyleData(eStyleStruct_Text);
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/* XXX: remove tableFrame when border-collapse inherits */
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nsTableFrame* tableFrame=nsnull;
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nsresult rv = nsTableFrame::GetTableFrame(this, tableFrame);
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nsMargin borderPadding;
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GetCellBorder (borderPadding, tableFrame);
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nsMargin padding;
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spacing->GetPadding(padding);
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borderPadding += padding;
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nscoord topInset = borderPadding.top;
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nscoord bottomInset = borderPadding.bottom;
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PRUint8 verticalAlignFlags = NS_STYLE_VERTICAL_ALIGN_MIDDLE;
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if (textStyle->mVerticalAlign.GetUnit() == eStyleUnit_Enumerated) {
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verticalAlignFlags = textStyle->mVerticalAlign.GetIntValue();
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}
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nscoord height = mRect.height;
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nsRect kidRect;
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nsIFrame* firstKid = mFrames.FirstChild();
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firstKid->GetRect(kidRect);
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nscoord childHeight = kidRect.height;
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// Vertically align the child
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nscoord kidYTop = 0;
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switch (verticalAlignFlags)
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{
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case NS_STYLE_VERTICAL_ALIGN_BASELINE:
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// Align the child's baseline at the max baseline
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//kidYTop = aMaxAscent - kidAscent;
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break;
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case NS_STYLE_VERTICAL_ALIGN_TOP:
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// Align the top of the child frame with the top of the box,
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// minus the top padding
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kidYTop = topInset;
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break;
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case NS_STYLE_VERTICAL_ALIGN_BOTTOM:
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kidYTop = height - childHeight - bottomInset;
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break;
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default:
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case NS_STYLE_VERTICAL_ALIGN_MIDDLE:
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kidYTop = height/2 - childHeight/2;
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}
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firstKid->MoveTo(kidRect.x, kidYTop);
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}
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PRInt32 nsTableCellFrame::GetRowSpan()
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{
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PRInt32 rowSpan=1;
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nsIHTMLContent *hc=nsnull;
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nsresult rv = mContent->QueryInterface(kIHTMLContentIID, (void**) &hc);
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if (NS_OK==rv)
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{
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nsHTMLValue val;
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hc->GetHTMLAttribute(nsHTMLAtoms::rowspan, val);
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if (eHTMLUnit_Integer == val.GetUnit()) {
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rowSpan=val.GetIntValue();
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}
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NS_RELEASE(hc);
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}
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return rowSpan;
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}
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PRInt32 nsTableCellFrame::GetColSpan()
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{
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PRInt32 colSpan=1;
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nsIHTMLContent *hc=nsnull;
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nsresult rv = mContent->QueryInterface(kIHTMLContentIID, (void**) &hc);
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if (NS_OK==rv)
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{
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nsHTMLValue val;
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hc->GetHTMLAttribute(nsHTMLAtoms::colspan, val);
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if (eHTMLUnit_Integer == val.GetUnit()) {
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colSpan=val.GetIntValue();
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}
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NS_RELEASE(hc);
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}
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return colSpan;
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}
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/**
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*/
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NS_METHOD nsTableCellFrame::Reflow(nsIPresContext& 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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#ifdef NS_DEBUG
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//PreReflowCheck();
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#endif
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nsresult rv = NS_OK;
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// Initialize out parameter
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if (nsnull != aDesiredSize.maxElementSize) {
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aDesiredSize.maxElementSize->width = 0;
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aDesiredSize.maxElementSize->height = 0;
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}
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aStatus = NS_FRAME_COMPLETE;
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if (PR_TRUE==gsDebug || PR_TRUE==gsDebugNT)
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printf("%p nsTableCellFrame::Reflow: maxSize=%d,%d\n",
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this, aReflowState.availableWidth, aReflowState.availableHeight);
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nsSize availSize(aReflowState.availableWidth, aReflowState.availableHeight);
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nsSize maxElementSize;
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nsSize *pMaxElementSize = aDesiredSize.maxElementSize;
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if (NS_UNCONSTRAINEDSIZE==aReflowState.availableWidth)
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pMaxElementSize = &maxElementSize;
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nscoord x = 0;
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// SEC: what about ascent and decent???
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// Compute the insets (sum of border and padding)
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const nsStyleSpacing* spacing =
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(const nsStyleSpacing*)mStyleContext->GetStyleData(eStyleStruct_Spacing);
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/* XXX: remove tableFrame when border-collapse inherits */
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nsTableFrame* tableFrame=nsnull;
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rv = nsTableFrame::GetTableFrame(this, tableFrame);
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nsMargin borderPadding;
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GetCellBorder (borderPadding, tableFrame);
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nsMargin padding;
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spacing->GetPadding(padding);
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borderPadding += padding;
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nscoord topInset = borderPadding.top;
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nscoord rightInset = borderPadding.right;
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nscoord bottomInset = borderPadding.bottom;
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nscoord leftInset = borderPadding.left;
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// reduce available space by insets, if we're in a constrained situation
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if (NS_UNCONSTRAINEDSIZE!=availSize.width)
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availSize.width -= leftInset+rightInset;
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if (NS_UNCONSTRAINEDSIZE!=availSize.height)
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availSize.height -= topInset+bottomInset;
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if (eReflowReason_Incremental == aReflowState.reason)
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{
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// XXX We *must* do this otherwise incremental reflow that's
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// passing through will not work right.
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nsIFrame* next;
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aReflowState.reflowCommand->GetNext(next);
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// if it is a StyleChanged reflow targeted at this cell frame,
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// handle that here
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// first determine if this frame is the target or not
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nsIFrame *target=nsnull;
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rv = aReflowState.reflowCommand->GetTarget(target);
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if ((PR_TRUE==NS_SUCCEEDED(rv)) && (nsnull!=target))
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{
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if (this==target)
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{
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nsIReflowCommand::ReflowType type;
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aReflowState.reflowCommand->GetType(type);
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if (nsIReflowCommand::StyleChanged==type)
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{
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nsresult rv = IR_StyleChanged(aPresContext, aDesiredSize, aReflowState, aStatus);
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aStatus = NS_FRAME_COMPLETE;
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return rv;
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}
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}
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}
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// if any of these conditions are not true, we just pass the reflow command down
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}
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// Try to reflow the child into the available space. It might not
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// fit or might need continuing.
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if (availSize.height < 0)
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availSize.height = 1;
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if (gsDebug==PR_TRUE)
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printf(" nsTableCellFrame::Reflow calling ReflowChild with availSize=%d,%d\n",
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availSize.width, availSize.height);
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nsHTMLReflowMetrics kidSize(pMaxElementSize);
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kidSize.width=kidSize.height=kidSize.ascent=kidSize.descent=0;
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SetPriorAvailWidth(aReflowState.availableWidth);
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nsIFrame* firstKid = mFrames.FirstChild();
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nsHTMLReflowState kidReflowState(aPresContext, firstKid, aReflowState,
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availSize);
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ReflowChild(firstKid, aPresContext, kidSize, kidReflowState, aStatus);
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#ifdef NS_DEBUG
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if (kidSize.width > availSize.width)
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{
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printf("WARNING: cell ");
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nsAutoString tmp;
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firstKid->GetFrameName(tmp);
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fputs(tmp, stdout);
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printf(" content returned desired width %d given avail width %d\n",
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kidSize.width, availSize.width);
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}
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#endif
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// Nav4 hack for 0 dimensioned cells.
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// Empty cells are assigned a width and height of 4px
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// see testcase "cellHeights.html"
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if (eReflowReason_Initial == aReflowState.reason)
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{
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if ((0==kidSize.width) && (0==kidSize.height))
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SetContentEmpty(PR_TRUE);
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else
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SetContentEmpty(PR_FALSE);
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}
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if (0==kidSize.width)
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{
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if (eReflowReason_Initial == aReflowState.reason)
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{
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float p2t;
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aPresContext.GetScaledPixelsToTwips(p2t);
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kidSize.width=NSIntPixelsToTwips(4, p2t);
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if (nsnull!=aDesiredSize.maxElementSize && 0==pMaxElementSize->width)
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pMaxElementSize->width=NSIntPixelsToTwips(4, p2t);
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if (gsDebug) printf ("setting initial child width from 0 to %d for nav4 compatibility\n", NSIntPixelsToTwips(4, p2t));
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}
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else // empty content has to be forced to the assigned width for resize or incremental reflow
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kidSize.width = kidReflowState.availableWidth;
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}
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if (0==kidSize.height)
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{
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float p2t;
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aPresContext.GetScaledPixelsToTwips(p2t);
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kidSize.height=NSIntPixelsToTwips(4, p2t);
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if (nsnull!=aDesiredSize.maxElementSize && 0==pMaxElementSize->width)
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pMaxElementSize->height=NSIntPixelsToTwips(4, p2t);
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if (gsDebug) printf ("setting child height from 0 to %d for nav4 compatibility\n", NSIntPixelsToTwips(4, p2t));
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}
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// end Nav4 hack for 0 dimensioned cells
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if (PR_TRUE==gsDebug || PR_TRUE==gsDebugNT)
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{
|
|
if (nsnull!=pMaxElementSize)
|
|
printf(" %p cellFrame child returned desiredSize=%d,%d, and maxElementSize=%d,%d\n",
|
|
this, kidSize.width, kidSize.height,
|
|
pMaxElementSize->width, pMaxElementSize->height);
|
|
else
|
|
printf(" %p cellFrame child returned desiredSize=%d,%d, and maxElementSize=nsnull\n",
|
|
this, kidSize.width, kidSize.height);
|
|
}
|
|
|
|
// Place the child
|
|
//////////////////////////////// HACK //////////////////////////////
|
|
kidSize.width = PR_MIN(kidSize.width, availSize.width);
|
|
///////////////////////////// END HACK /////////////////////////////
|
|
firstKid->SetRect(nsRect(leftInset, topInset,
|
|
kidSize.width, kidSize.height));
|
|
|
|
// Return our size and our result
|
|
|
|
// first, compute the height
|
|
// the height can be set w/o being restricted by aMaxSize.height
|
|
nscoord cellHeight = kidSize.height;
|
|
// NAV4 compatibility: only add insets if cell content was not 0 height
|
|
if (0!=kidSize.height)
|
|
cellHeight += topInset + bottomInset;
|
|
if (PR_TRUE==gsDebugNT)
|
|
printf(" %p cellFrame height set to %d from kidSize=%d and insets %d,%d\n",
|
|
this, cellHeight, kidSize.height, topInset, bottomInset);
|
|
// next determine the cell's width
|
|
nscoord cellWidth = kidSize.width; // at this point, we've factored in the cell's style attributes
|
|
|
|
// add the insets into the cell width (in both the constrained-width and unconstrained-width cases
|
|
cellWidth += leftInset + rightInset; // factor in border and padding
|
|
|
|
// set the cell's desired size and max element size
|
|
aDesiredSize.width = cellWidth;
|
|
aDesiredSize.height = cellHeight;
|
|
aDesiredSize.ascent = topInset;
|
|
aDesiredSize.descent = bottomInset;
|
|
if (nsnull!=aDesiredSize.maxElementSize)
|
|
{
|
|
*aDesiredSize.maxElementSize = *pMaxElementSize;
|
|
if (0!=pMaxElementSize->height)
|
|
aDesiredSize.maxElementSize->height += topInset + bottomInset;
|
|
if (0!=pMaxElementSize->width)
|
|
aDesiredSize.maxElementSize->width += leftInset + rightInset;
|
|
}
|
|
// remember my desired size for this reflow
|
|
SetDesiredSize(aDesiredSize);
|
|
|
|
if (PR_TRUE==gsDebug || PR_TRUE==gsDebugNT)
|
|
printf(" %p cellFrame returning aDesiredSize=%d,%d\n",
|
|
this, aDesiredSize.width, aDesiredSize.height);
|
|
|
|
aDesiredSize.ascent=aDesiredSize.height;
|
|
aDesiredSize.descent=0;
|
|
|
|
#ifdef NS_DEBUG
|
|
//PostReflowCheck(result);
|
|
#endif
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_METHOD nsTableCellFrame::IR_StyleChanged(nsIPresContext& aPresContext,
|
|
nsHTMLReflowMetrics& aDesiredSize,
|
|
const nsHTMLReflowState& aReflowState,
|
|
nsReflowStatus& aStatus)
|
|
{
|
|
if (PR_TRUE==gsDebug) printf("Cell IR: IR_StyleChanged for frame %p\n", this);
|
|
nsresult rv = NS_OK;
|
|
// we presume that all the easy optimizations were done in the nsHTMLStyleSheet before we were called here
|
|
// XXX: we can optimize this when we know which style attribute changed
|
|
nsTableFrame* tableFrame=nsnull;
|
|
rv = nsTableFrame::GetTableFrame(this, tableFrame);
|
|
if ((NS_SUCCEEDED(rv)) && (nsnull!=tableFrame))
|
|
{
|
|
tableFrame->InvalidateCellMap();
|
|
tableFrame->InvalidateFirstPassCache();
|
|
}
|
|
|
|
return rv;
|
|
}
|
|
|
|
NS_METHOD
|
|
nsTableCellFrame::CreateContinuingFrame(nsIPresContext& aPresContext,
|
|
nsIFrame* aParent,
|
|
nsIStyleContext* aStyleContext,
|
|
nsIFrame*& aContinuingFrame)
|
|
{
|
|
nsTableCellFrame* cf = new nsTableCellFrame;
|
|
if (nsnull == cf) {
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
cf->Init(aPresContext, mContent, aParent, aStyleContext);
|
|
cf->AppendToFlow(this);
|
|
cf->InitCellFrame(GetColIndex());
|
|
aContinuingFrame = cf;
|
|
|
|
// Create a continuing body frame
|
|
nsIFrame* childList;
|
|
nsIStyleContext* kidSC;
|
|
|
|
nsIFrame* firstKid = mFrames.FirstChild();
|
|
firstKid->GetStyleContext(kidSC);
|
|
firstKid->CreateContinuingFrame(aPresContext, cf, kidSC, childList);
|
|
NS_RELEASE(kidSC);
|
|
cf->SetInitialChildList(aPresContext, nsnull, childList);
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
/**
|
|
*
|
|
* Update the border style to map to the HTML border style
|
|
*
|
|
*/
|
|
void nsTableCellFrame::MapHTMLBorderStyle(nsIPresContext* aPresContext,
|
|
nsStyleSpacing& aSpacingStyle,
|
|
nscoord aBorderWidth,
|
|
nsTableFrame *aTableFrame)
|
|
{
|
|
nsStyleCoord width;
|
|
width.SetCoordValue(aBorderWidth);
|
|
aSpacingStyle.mBorder.SetTop(width);
|
|
aSpacingStyle.mBorder.SetLeft(width);
|
|
aSpacingStyle.mBorder.SetBottom(width);
|
|
aSpacingStyle.mBorder.SetRight(width);
|
|
|
|
// XXX This should come from the default style sheet (ua.css), and
|
|
// not be hardcoded. Using solid causes the borders not to show up...
|
|
#if 1
|
|
|
|
aSpacingStyle.SetBorderStyle(NS_SIDE_TOP, NS_STYLE_BORDER_STYLE_BG_INSET);
|
|
aSpacingStyle.SetBorderStyle(NS_SIDE_LEFT, NS_STYLE_BORDER_STYLE_BG_INSET);
|
|
aSpacingStyle.SetBorderStyle(NS_SIDE_BOTTOM, NS_STYLE_BORDER_STYLE_BG_INSET);
|
|
aSpacingStyle.SetBorderStyle(NS_SIDE_RIGHT, NS_STYLE_BORDER_STYLE_BG_INSET);
|
|
|
|
#endif
|
|
|
|
nsTableFrame* tableFrame;
|
|
nsTableFrame::GetTableFrame(this, tableFrame);
|
|
nsIStyleContext* styleContext = nsnull;
|
|
|
|
tableFrame->GetStyleContext(styleContext);
|
|
|
|
const nsStyleColor* colorData =
|
|
nsStyleUtil::FindNonTransparentBackground(styleContext);
|
|
NS_IF_RELEASE(styleContext);
|
|
|
|
// Yaahoo, we found a style context which has a background color
|
|
nscolor borderColor = 0xFFC0C0C0;
|
|
|
|
if (colorData != nsnull)
|
|
borderColor = colorData->mBackgroundColor;
|
|
|
|
// if the border color is white, then shift to grey
|
|
if (borderColor == 0xFFFFFFFF)
|
|
borderColor = 0xFFC0C0C0;
|
|
aSpacingStyle.SetBorderColor(NS_SIDE_TOP, borderColor);
|
|
aSpacingStyle.SetBorderColor(NS_SIDE_LEFT, borderColor);
|
|
aSpacingStyle.SetBorderColor(NS_SIDE_BOTTOM, borderColor);
|
|
aSpacingStyle.SetBorderColor(NS_SIDE_RIGHT, borderColor);
|
|
|
|
//adjust the border style based on the table rules attribute
|
|
const nsStyleTable* tableStyle;
|
|
tableFrame->GetStyleData(eStyleStruct_Table, (const nsStyleStruct *&)tableStyle);
|
|
|
|
switch (tableStyle->mRules)
|
|
{
|
|
case NS_STYLE_TABLE_RULES_NONE:
|
|
aSpacingStyle.SetBorderStyle(NS_SIDE_TOP, NS_STYLE_BORDER_STYLE_NONE);
|
|
aSpacingStyle.SetBorderStyle(NS_SIDE_LEFT, NS_STYLE_BORDER_STYLE_NONE);
|
|
aSpacingStyle.SetBorderStyle(NS_SIDE_BOTTOM, NS_STYLE_BORDER_STYLE_NONE);
|
|
aSpacingStyle.SetBorderStyle(NS_SIDE_RIGHT, NS_STYLE_BORDER_STYLE_NONE);
|
|
break;
|
|
case NS_STYLE_TABLE_RULES_GROUPS:
|
|
#ifdef NS_DEBUG
|
|
printf("warning: NS_STYLE_TABLE_RULES_GROUPS used but not yet implemented.\n");
|
|
#endif
|
|
// XXX: it depends on which cell this is!
|
|
/*
|
|
for h-sides, walk up content parent list to row and see what "index in parent" row is.
|
|
if it is 0 or last, then draw the rule. otherwise, don't. Probably just compare
|
|
against FirstChild and LastChild.
|
|
for v-sides, do the same thing only for col and colgroup.
|
|
*/
|
|
/*
|
|
aSpacingStyle.mBorderStyle[NS_SIDE_TOP] = NS_STYLE_BORDER_STYLE_NONE;
|
|
aSpacingStyle.mBorderStyle[NS_SIDE_RIGHT] = NS_STYLE_BORDER_STYLE_NONE;
|
|
aSpacingStyle.mBorderStyle[NS_SIDE_BOTTOM] = NS_STYLE_BORDER_STYLE_NONE;
|
|
aSpacingStyle.mBorderStyle[NS_SIDE_LEFT] = NS_STYLE_BORDER_STYLE_NONE;
|
|
*/
|
|
break;
|
|
case NS_STYLE_TABLE_RULES_COLS:
|
|
aSpacingStyle.SetBorderStyle(NS_SIDE_TOP, NS_STYLE_BORDER_STYLE_NONE);
|
|
aSpacingStyle.SetBorderStyle(NS_SIDE_BOTTOM, NS_STYLE_BORDER_STYLE_NONE);
|
|
break;
|
|
|
|
case NS_STYLE_TABLE_RULES_ROWS:
|
|
aSpacingStyle.SetBorderStyle(NS_SIDE_LEFT, NS_STYLE_BORDER_STYLE_NONE);
|
|
aSpacingStyle.SetBorderStyle(NS_SIDE_RIGHT, NS_STYLE_BORDER_STYLE_NONE);
|
|
break;
|
|
|
|
// do nothing for "ALL" or for any illegal value
|
|
}
|
|
}
|
|
|
|
|
|
PRBool nsTableCellFrame::ConvertToPixelValue(nsHTMLValue& aValue, PRInt32 aDefault, PRInt32& aResult)
|
|
{
|
|
PRInt32 result = 0;
|
|
|
|
if (aValue.GetUnit() == eHTMLUnit_Pixel)
|
|
aResult = aValue.GetPixelValue();
|
|
else if (aValue.GetUnit() == eHTMLUnit_Empty)
|
|
aResult = aDefault;
|
|
else
|
|
{
|
|
NS_ERROR("Unit must be pixel or empty");
|
|
return PR_FALSE;
|
|
}
|
|
return PR_TRUE;
|
|
}
|
|
|
|
void nsTableCellFrame::MapBorderMarginPadding(nsIPresContext* aPresContext)
|
|
{
|
|
// Check to see if the table has either cell padding or
|
|
// Cell spacing defined for the table. If true, then
|
|
// this setting overrides any specific border, margin or
|
|
// padding information in the cell. If these attributes
|
|
// are not defined, the the cells attributes are used
|
|
|
|
nsTableFrame* tableFrame;
|
|
nsTableFrame::GetTableFrame(this, tableFrame);
|
|
NS_ASSERTION(tableFrame,"Table must not be null");
|
|
if (!tableFrame)
|
|
return;
|
|
|
|
nscoord padding = tableFrame->GetCellPadding();
|
|
nscoord spacingX = tableFrame->GetCellSpacingX();
|
|
nscoord spacingY = tableFrame->GetCellSpacingY();
|
|
nscoord border = 1;
|
|
|
|
|
|
// get the table frame style context, and from it get cellpadding, cellspacing, and border info
|
|
const nsStyleTable* tableStyle;
|
|
tableFrame->GetStyleData(eStyleStruct_Table, (const nsStyleStruct *&)tableStyle);
|
|
const nsStyleSpacing* tableSpacingStyle;
|
|
tableFrame->GetStyleData(eStyleStruct_Spacing,(const nsStyleStruct *&)tableSpacingStyle);
|
|
nsStyleSpacing* spacingData = (nsStyleSpacing*)mStyleContext->GetMutableStyleData(eStyleStruct_Spacing);
|
|
|
|
spacingData->mMargin.SetTop(spacingY);
|
|
spacingData->mMargin.SetLeft(spacingX);
|
|
spacingData->mMargin.SetBottom(spacingY);
|
|
spacingData->mMargin.SetRight(spacingX);
|
|
spacingData->mPadding.SetTop(padding);
|
|
spacingData->mPadding.SetLeft(padding);
|
|
spacingData->mPadding.SetBottom(padding);
|
|
spacingData->mPadding.SetRight(padding);
|
|
|
|
// get border information from the table
|
|
if (tableStyle->mRules!= NS_STYLE_TABLE_RULES_NONE)
|
|
{
|
|
// XXX: need to get border width here
|
|
// in HTML, cell borders are always 1 pixel by default
|
|
float p2t;
|
|
aPresContext->GetScaledPixelsToTwips(p2t);
|
|
border = NSIntPixelsToTwips(1, p2t);
|
|
MapHTMLBorderStyle(aPresContext, *spacingData, border, tableFrame);
|
|
}
|
|
|
|
MapVAlignAttribute(aPresContext, tableFrame);
|
|
MapHAlignAttribute(aPresContext, tableFrame);
|
|
|
|
}
|
|
|
|
/* XXX: this code will not work properly until the style and layout code has been updated
|
|
* as outlined in Bugzilla bug report 1802 and 915 */
|
|
void nsTableCellFrame::MapVAlignAttribute(nsIPresContext* aPresContext, nsTableFrame *aTableFrame)
|
|
{
|
|
const nsStyleText* textStyle;
|
|
GetStyleData(eStyleStruct_Text,(const nsStyleStruct *&)textStyle);
|
|
// check if valign is set on the cell
|
|
// this condition will also be true if we inherited valign from the row or rowgroup
|
|
if (textStyle->mVerticalAlign.GetUnit() == eStyleUnit_Enumerated)
|
|
{
|
|
return; // valign is already set on this cell
|
|
}
|
|
|
|
// check if valign is set on the cell's COL (or COLGROUP by inheritance)
|
|
nsTableColFrame *colFrame;
|
|
aTableFrame->GetColumnFrame(GetColIndex(), colFrame);
|
|
const nsStyleText* colTextStyle;
|
|
colFrame->GetStyleData(eStyleStruct_Text,(const nsStyleStruct *&)colTextStyle);
|
|
if (colTextStyle->mVerticalAlign.GetUnit() == eStyleUnit_Enumerated)
|
|
{
|
|
nsStyleText* mutableTextStyle = (nsStyleText*)mStyleContext->GetMutableStyleData(eStyleStruct_Text);
|
|
mutableTextStyle->mVerticalAlign.SetIntValue(colTextStyle->mVerticalAlign.GetIntValue(), eStyleUnit_Enumerated);
|
|
return; // valign set from COL info
|
|
}
|
|
|
|
// otherwise, set the vertical align attribute to the HTML default
|
|
nsStyleText* mutableTextStyle = (nsStyleText*)mStyleContext->GetMutableStyleData(eStyleStruct_Text);
|
|
mutableTextStyle->mVerticalAlign.SetIntValue(NS_STYLE_VERTICAL_ALIGN_MIDDLE, eStyleUnit_Enumerated);
|
|
}
|
|
|
|
/* XXX: this code will not work properly until the style and layout code has been updated
|
|
* as outlined in Bugzilla bug report 1802 and 915.
|
|
* In particular, mTextAlign has to be an nsStyleCoord, not just an int */
|
|
void nsTableCellFrame::MapHAlignAttribute(nsIPresContext* aPresContext, nsTableFrame *aTableFrame)
|
|
{
|
|
#if 0
|
|
const nsStyleText* textStyle;
|
|
GetStyleData(eStyleStruct_Text,(const nsStyleStruct *&)textStyle);
|
|
// check if halign is set on the cell
|
|
// cells do not inherited halign from the row or rowgroup
|
|
if (textStyle->mTextAlign.GetUnit() == eStyleUnit_Enumerated)
|
|
{
|
|
if (textStyle->mTextAlign.GetIntValue() != NS_STYLE_TEXT_ALIGN_DEFAULT)
|
|
return; // valign is already set on this cell
|
|
}
|
|
|
|
// check if halign is set on the cell's ROW (or ROWGROUP by inheritance)
|
|
nsIFrame *rowFrame;
|
|
aTableFrame->GetContentParent(rowFrame);
|
|
const nsStyleText* rowTextStyle;
|
|
rowFrame->GetStyleData(eStyleStruct_Text,(const nsStyleStruct *&)rowTextStyle);
|
|
if (rowTextStyle->mTextAlign.GetUnit() == eStyleUnit_Enumerated)
|
|
{
|
|
nsStyleText* mutableTextStyle = (nsStyleText*)mStyleContext->GetMutableStyleData(eStyleStruct_Text);
|
|
mutableTextStyle->mTextAlign.SetIntValue(rowTextStyle->mTextAlign.GetIntValue(), eStyleUnit_Enumerated);
|
|
return; // halign set from ROW info
|
|
}
|
|
|
|
// check if halign is set on the cell's COL (or COLGROUP by inheritance)
|
|
nsTableColFrame *colFrame;
|
|
aTableFrame->GetColumnFrame(GetColIndex(), colFrame);
|
|
const nsStyleText* colTextStyle;
|
|
colFrame->GetStyleData(eStyleStruct_Text,(const nsStyleStruct *&)colTextStyle);
|
|
if (colTextStyle->mTextAlign.GetUnit() == eStyleUnit_Enumerated)
|
|
{
|
|
nsStyleText* mutableTextStyle = (nsStyleText*)mStyleContext->GetMutableStyleData(eStyleStruct_Text);
|
|
mutableTextStyle->mTextAlign.SetIntValue(colTextStyle->mTextAlign.GetIntValue(), eStyleUnit_Enumerated);
|
|
return; // halign set from COL info
|
|
}
|
|
|
|
// otherwise, set the vertical align attribute to the HTML default (center for TH, left for TD and all others)
|
|
nsStyleText* mutableTextStyle = (nsStyleText*)mStyleContext->GetMutableStyleData(eStyleStruct_Text);
|
|
nsIAtom *tag=nsnull;
|
|
if (nsnull!=mContent)
|
|
mContent->GetTag(tag);
|
|
if (nsHTMLAtoms::th==tag)
|
|
mutableTextStyle->mVerticalAlign.SetIntValue(NS_STYLE_TEXT_ALIGN_CENTER, eStyleUnit_Enumerated);
|
|
else
|
|
mutableTextStyle->mVerticalAlign.SetIntValue(NS_STYLE_TEXT_ALIGN_LEFT, eStyleUnit_Enumerated);
|
|
#endif
|
|
}
|
|
|
|
// Subclass hook for style post processing
|
|
NS_METHOD nsTableCellFrame::DidSetStyleContext(nsIPresContext* aPresContext)
|
|
{
|
|
#ifdef NOISY_STYLE
|
|
printf("nsTableCellFrame::DidSetStyleContext \n");
|
|
#endif
|
|
|
|
MapBorderMarginPadding(aPresContext);
|
|
mStyleContext->RecalcAutomaticData(aPresContext);
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
NS_METHOD
|
|
nsTableCellFrame::QueryInterface(const nsIID& aIID, void** aInstancePtr)
|
|
{
|
|
NS_PRECONDITION(0 != aInstancePtr, "null ptr");
|
|
if (NULL == aInstancePtr) {
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
return nsContainerFrame::QueryInterface(aIID, aInstancePtr);
|
|
}
|
|
|
|
/* ----- global methods ----- */
|
|
|
|
nsresult
|
|
NS_NewTableCellFrame(nsIFrame*& aResult)
|
|
{
|
|
nsIFrame* it = new nsTableCellFrame;
|
|
if (nsnull == it) {
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
aResult = it;
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
|
|
/* ----- methods from CellLayoutData ----- */
|
|
|
|
/**
|
|
* Given a frame and an edge, find the margin
|
|
*
|
|
**/
|
|
nscoord nsTableCellFrame::GetMargin(nsIFrame* aFrame, PRUint8 aEdge) const
|
|
{
|
|
nscoord result = 0;
|
|
|
|
if (aFrame)
|
|
{
|
|
const nsStyleSpacing* spacing;
|
|
aFrame->GetStyleData(eStyleStruct_Spacing, (const nsStyleStruct*&)spacing);
|
|
nsMargin margin;
|
|
spacing->CalcMarginFor(aFrame, margin);
|
|
switch (aEdge)
|
|
{
|
|
case NS_SIDE_TOP:
|
|
result = margin.top;
|
|
break;
|
|
|
|
case NS_SIDE_RIGHT:
|
|
result = margin.right;
|
|
break;
|
|
|
|
case NS_SIDE_BOTTOM:
|
|
result = margin.bottom;
|
|
break;
|
|
|
|
case NS_SIDE_LEFT:
|
|
result = margin.left;
|
|
break;
|
|
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
|
|
/**
|
|
* Given an Edge, find the opposing edge (top<-->bottom, left<-->right)
|
|
*
|
|
**/
|
|
PRUint8 nsTableCellFrame::GetOpposingEdge(PRUint8 aEdge)
|
|
{
|
|
PRUint8 result;
|
|
|
|
switch (aEdge)
|
|
{
|
|
case NS_SIDE_LEFT:
|
|
result = NS_SIDE_RIGHT;
|
|
break;
|
|
|
|
case NS_SIDE_RIGHT:
|
|
result = NS_SIDE_LEFT;
|
|
break;
|
|
|
|
case NS_SIDE_TOP:
|
|
result = NS_SIDE_BOTTOM;
|
|
break;
|
|
|
|
case NS_SIDE_BOTTOM:
|
|
result = NS_SIDE_TOP;
|
|
break;
|
|
|
|
default:
|
|
result = NS_SIDE_TOP;
|
|
}
|
|
return result;
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
* Given a List of cell layout data, compare the edges to see which has the
|
|
* border with the highest precidence.
|
|
*
|
|
**/
|
|
nscoord nsTableCellFrame::FindLargestMargin(nsVoidArray* aList,PRUint8 aEdge)
|
|
{
|
|
nscoord result = 0;
|
|
PRInt32 index = 0;
|
|
PRInt32 count = 0;
|
|
|
|
|
|
NS_ASSERTION(aList,"a List must be valid");
|
|
count = aList->Count();
|
|
if (count)
|
|
{
|
|
nsIFrame* frame;
|
|
|
|
nscoord value = 0;
|
|
while (index < count)
|
|
{
|
|
frame = (nsIFrame*)(aList->ElementAt(index++));
|
|
value = GetMargin(frame, aEdge);
|
|
if (value > result)
|
|
result = value;
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
|
|
void nsTableCellFrame::GetCellBorder(nsMargin &aBorder, nsTableFrame *aTableFrame)
|
|
{
|
|
aBorder.left = aBorder.right = aBorder.top = aBorder.bottom = 0;
|
|
if (nsnull==aTableFrame)
|
|
return;
|
|
|
|
if (NS_STYLE_BORDER_COLLAPSE==aTableFrame->GetBorderCollapseStyle())
|
|
{
|
|
aBorder = mBorderEdges.mMaxBorderWidth;
|
|
}
|
|
else
|
|
{
|
|
const nsStyleSpacing* spacing;
|
|
aTableFrame->GetStyleData(eStyleStruct_Spacing, (const nsStyleStruct*&)spacing);
|
|
spacing->GetBorder(aBorder);
|
|
}
|
|
}
|
|
|
|
void nsTableCellFrame::CalculateMargins(nsTableFrame* aTableFrame,
|
|
nsVoidArray* aBoundaryCells[4])
|
|
{
|
|
// By default the margin is just the margin found in the
|
|
// table cells style
|
|
const nsStyleSpacing* spacing;
|
|
GetStyleData(eStyleStruct_Spacing, (const nsStyleStruct*&)spacing);
|
|
spacing->CalcMarginFor(this, mMargin);
|
|
|
|
// Left and Top Margins are collapsed with their neightbors
|
|
// Right and Bottom Margins are simple left as they are
|
|
nscoord value;
|
|
|
|
// The left and top sides margins are the difference between
|
|
// their inherint value and the value of the margin of the
|
|
// object to the left or right of them.
|
|
|
|
value = FindLargestMargin(aBoundaryCells[NS_SIDE_LEFT],NS_SIDE_RIGHT);
|
|
if (value > mMargin.left)
|
|
mMargin.left = 0;
|
|
else
|
|
mMargin.left -= value;
|
|
|
|
value = FindLargestMargin(aBoundaryCells[NS_SIDE_TOP],NS_SIDE_BOTTOM);
|
|
if (value > mMargin.top)
|
|
mMargin.top = 0;
|
|
else
|
|
mMargin.top -= value;
|
|
}
|
|
|
|
|
|
void nsTableCellFrame::RecalcLayoutData(nsTableFrame* aTableFrame,
|
|
nsVoidArray* aBoundaryCells[4])
|
|
|
|
{
|
|
CalculateBorders(aTableFrame, aBoundaryCells);
|
|
CalculateMargins(aTableFrame, aBoundaryCells);
|
|
mCalculated = NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsTableCellFrame::GetFrameName(nsString& aResult) const
|
|
{
|
|
return MakeFrameName("TableCell", aResult);
|
|
}
|