4ebcb1cd74
at the pixel level. The odd pixel is always given to the right and bottom cell borders whenever possible, and to the top and left table border otherwise.
1094 lines
33 KiB
C++
1094 lines
33 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 "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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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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|
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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, 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, skipSides);
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}
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else
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{
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nsCSSRendering::PaintBorderEdges(aPresContext, aRenderingContext, this,
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aDirtyRect, rect, &mBorderEdges, 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(0,128,128));
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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, 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, 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, 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, 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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nsMargin borderPadding;
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spacing->CalcBorderPaddingFor(this, borderPadding);
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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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mFirstChild->GetRect(kidRect);
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nscoord childHeight = kidRect.height;
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|
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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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mFirstChild->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;
|
|
nsresult rv = mContent->QueryInterface(kIHTMLContentIID, (void**) &hc);
|
|
if (NS_OK==rv)
|
|
{
|
|
nsHTMLValue val;
|
|
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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|
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PRInt32 nsTableCellFrame::GetColSpan()
|
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{
|
|
PRInt32 colSpan=1;
|
|
nsIHTMLContent *hc=nsnull;
|
|
nsresult rv = mContent->QueryInterface(kIHTMLContentIID, (void**) &hc);
|
|
if (NS_OK==rv)
|
|
{
|
|
nsHTMLValue val;
|
|
hc->GetHTMLAttribute(nsHTMLAtoms::colspan, val);
|
|
if (eHTMLUnit_Integer == val.GetUnit()) {
|
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colSpan=val.GetIntValue();
|
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}
|
|
NS_RELEASE(hc);
|
|
}
|
|
return colSpan;
|
|
}
|
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|
|
|
|
/**
|
|
*/
|
|
NS_METHOD nsTableCellFrame::Reflow(nsIPresContext& aPresContext,
|
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nsHTMLReflowMetrics& aDesiredSize,
|
|
const nsHTMLReflowState& aReflowState,
|
|
nsReflowStatus& aStatus)
|
|
{
|
|
#ifdef NS_DEBUG
|
|
//PreReflowCheck();
|
|
#endif
|
|
|
|
nsresult rv = NS_OK;
|
|
|
|
// Initialize out parameter
|
|
if (nsnull != aDesiredSize.maxElementSize) {
|
|
aDesiredSize.maxElementSize->width = 0;
|
|
aDesiredSize.maxElementSize->height = 0;
|
|
}
|
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|
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aStatus = NS_FRAME_COMPLETE;
|
|
if (PR_TRUE==gsDebug || PR_TRUE==gsDebugNT)
|
|
printf("%p nsTableCellFrame::Reflow: maxSize=%d,%d\n",
|
|
this, aReflowState.maxSize.width, aReflowState.maxSize.height);
|
|
|
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nsSize availSize(aReflowState.maxSize);
|
|
nsSize maxElementSize;
|
|
nsSize *pMaxElementSize = aDesiredSize.maxElementSize;
|
|
if (NS_UNCONSTRAINEDSIZE==aReflowState.maxSize.width)
|
|
pMaxElementSize = &maxElementSize;
|
|
nscoord x = 0;
|
|
// SEC: what about ascent and decent???
|
|
|
|
// Compute the insets (sum of border and padding)
|
|
const nsStyleSpacing* spacing =
|
|
(const nsStyleSpacing*)mStyleContext->GetStyleData(eStyleStruct_Spacing);
|
|
|
|
nsMargin borderPadding;
|
|
spacing->CalcBorderPaddingFor(this, borderPadding);
|
|
|
|
nscoord topInset = borderPadding.top;
|
|
nscoord rightInset = borderPadding.right;
|
|
nscoord bottomInset = borderPadding.bottom;
|
|
nscoord leftInset = borderPadding.left;
|
|
|
|
// reduce available space by insets, if we're in a constrained situation
|
|
if (NS_UNCONSTRAINEDSIZE!=availSize.width)
|
|
availSize.width -= leftInset+rightInset;
|
|
if (NS_UNCONSTRAINEDSIZE!=availSize.height)
|
|
availSize.height -= topInset+bottomInset;
|
|
|
|
if (eReflowReason_Incremental == aReflowState.reason)
|
|
{
|
|
// XXX We *must* do this otherwise incremental reflow that's
|
|
// passing through will not work right.
|
|
nsIFrame* next;
|
|
aReflowState.reflowCommand->GetNext(next);
|
|
|
|
// if it is a StyleChanged reflow targeted at this cell frame,
|
|
// handle that here
|
|
// first determine if this frame is the target or not
|
|
nsIFrame *target=nsnull;
|
|
rv = aReflowState.reflowCommand->GetTarget(target);
|
|
if ((PR_TRUE==NS_SUCCEEDED(rv)) && (nsnull!=target))
|
|
{
|
|
if (this==target)
|
|
{
|
|
nsIReflowCommand::ReflowType type;
|
|
aReflowState.reflowCommand->GetType(type);
|
|
if (nsIReflowCommand::StyleChanged==type)
|
|
{
|
|
nsresult rv = IR_StyleChanged(aPresContext, aDesiredSize, aReflowState, aStatus);
|
|
aStatus = NS_FRAME_COMPLETE;
|
|
return rv;
|
|
}
|
|
}
|
|
}
|
|
// if any of these conditions are not true, we just pass the reflow command down
|
|
}
|
|
|
|
// Try to reflow the child into the available space. It might not
|
|
// fit or might need continuing.
|
|
if (availSize.height < 0)
|
|
availSize.height = 1;
|
|
|
|
if (gsDebug==PR_TRUE)
|
|
printf(" nsTableCellFrame::Reflow calling ReflowChild with availSize=%d,%d\n",
|
|
availSize.width, availSize.height);
|
|
nsHTMLReflowMetrics kidSize(pMaxElementSize);
|
|
kidSize.width=kidSize.height=kidSize.ascent=kidSize.descent=0;
|
|
SetPriorAvailWidth(aReflowState.maxSize.width);
|
|
nsHTMLReflowState kidReflowState(aPresContext, mFirstChild, aReflowState,
|
|
availSize);
|
|
|
|
ReflowChild(mFirstChild, aPresContext, kidSize, kidReflowState, aStatus);
|
|
#ifdef NS_DEBUG
|
|
if (kidSize.width > availSize.width)
|
|
{
|
|
printf("WARNING: cell ");
|
|
nsAutoString tmp;
|
|
mFirstChild->GetFrameName(tmp);
|
|
fputs(tmp, stdout);
|
|
printf(" content returned desired width %d given avail width %d\n",
|
|
kidSize.width, availSize.width);
|
|
}
|
|
#endif
|
|
|
|
// Nav4 hack for 0 dimensioned cells.
|
|
// Empty cells are assigned a width and height of 4px
|
|
// see testcase "cellHeights.html"
|
|
if (eReflowReason_Initial == aReflowState.reason)
|
|
{
|
|
if ((0==kidSize.width) && (0==kidSize.height))
|
|
SetContentEmpty(PR_TRUE);
|
|
else
|
|
SetContentEmpty(PR_FALSE);
|
|
}
|
|
if (0==kidSize.width)
|
|
{
|
|
float p2t;
|
|
aPresContext.GetScaledPixelsToTwips(p2t);
|
|
kidSize.width=NSIntPixelsToTwips(4, p2t);
|
|
if (nsnull!=aDesiredSize.maxElementSize && 0==pMaxElementSize->width)
|
|
pMaxElementSize->width=NSIntPixelsToTwips(4, p2t);
|
|
if (gsDebug) printf ("setting child width from 0 to %d for nav4 compatibility\n", NSIntPixelsToTwips(4, p2t));
|
|
}
|
|
if (0==kidSize.height)
|
|
{
|
|
float p2t;
|
|
aPresContext.GetScaledPixelsToTwips(p2t);
|
|
kidSize.height=NSIntPixelsToTwips(4, p2t);
|
|
if (nsnull!=aDesiredSize.maxElementSize && 0==pMaxElementSize->width)
|
|
pMaxElementSize->height=NSIntPixelsToTwips(4, p2t);
|
|
if (gsDebug) printf ("setting child height from 0 to %d for nav4 compatibility\n", NSIntPixelsToTwips(4, p2t));
|
|
}
|
|
// end Nav4 hack for 0 dimensioned cells
|
|
|
|
if (PR_TRUE==gsDebug || PR_TRUE==gsDebugNT)
|
|
{
|
|
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 /////////////////////////////
|
|
mFirstChild->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;
|
|
|
|
mFirstChild->GetStyleContext(kidSC);
|
|
mFirstChild->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_INSET);
|
|
aSpacingStyle.SetBorderStyle(NS_SIDE_LEFT, NS_STYLE_BORDER_STYLE_INSET);
|
|
aSpacingStyle.SetBorderStyle(NS_SIDE_BOTTOM, NS_STYLE_BORDER_STYLE_INSET);
|
|
aSpacingStyle.SetBorderStyle(NS_SIDE_RIGHT, NS_STYLE_BORDER_STYLE_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);
|
|
}
|
|
|
|
// TODO: map the align attributes here
|
|
|
|
}
|
|
|
|
|
|
// 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 a style context and an edge, find the border width
|
|
*
|
|
**/
|
|
nscoord nsTableCellFrame::GetBorderWidth(nsIFrame* aFrame, PRUint8 aEdge) const
|
|
{
|
|
nscoord result = 0;
|
|
|
|
if (aFrame)
|
|
{
|
|
const nsStyleSpacing* spacing;
|
|
aFrame->GetStyleData(eStyleStruct_Spacing, (const nsStyleStruct*&)spacing);
|
|
nsMargin border;
|
|
spacing->CalcBorderFor(aFrame, border);
|
|
switch (aEdge)
|
|
{
|
|
case NS_SIDE_TOP:
|
|
result = border.top;
|
|
break;
|
|
|
|
case NS_SIDE_RIGHT:
|
|
result = border.right;
|
|
break;
|
|
|
|
case NS_SIDE_BOTTOM:
|
|
result = border.bottom;
|
|
break;
|
|
|
|
case NS_SIDE_LEFT:
|
|
result = border.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::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;
|
|
}
|
|
|
|
|
|
/* ----- debugging methods ----- */
|
|
NS_METHOD nsTableCellFrame::List(FILE* out, PRInt32 aIndent, nsIListFilter *aFilter) const
|
|
{
|
|
// if a filter is present, only output this frame if the filter says we should
|
|
// since this could be any "tag" with the right display type, we'll
|
|
// just pretend it's a cell
|
|
if (nsnull==aFilter)
|
|
return nsContainerFrame::List(out, aIndent, aFilter);
|
|
|
|
nsAutoString tagString("td");
|
|
PRBool outputMe = aFilter->OutputTag(&tagString);
|
|
if (PR_TRUE==outputMe)
|
|
{
|
|
// Indent
|
|
for (PRInt32 i = aIndent; --i >= 0; ) fputs(" ", out);
|
|
|
|
// Output the tag and rect
|
|
nsIAtom* tag;
|
|
mContent->GetTag(tag);
|
|
if (tag != nsnull) {
|
|
nsAutoString buf;
|
|
tag->ToString(buf);
|
|
fputs(buf, out);
|
|
NS_RELEASE(tag);
|
|
}
|
|
|
|
fprintf(out, "(%d)", ContentIndexInContainer(this));
|
|
out << mRect;
|
|
if (0 != mState) {
|
|
fprintf(out, " [state=%08x]", mState);
|
|
}
|
|
fputs("\n", out);
|
|
}
|
|
// Output the children
|
|
if (nsnull != mFirstChild) {
|
|
if (PR_TRUE==outputMe)
|
|
{
|
|
if (0 != mState) {
|
|
fprintf(out, " [state=%08x]\n", mState);
|
|
}
|
|
}
|
|
for (nsIFrame* child = mFirstChild; child; child->GetNextSibling(child)) {
|
|
child->List(out, aIndent + 1, aFilter);
|
|
}
|
|
} else {
|
|
if (PR_TRUE==outputMe)
|
|
{
|
|
if (0 != mState) {
|
|
fprintf(out, " [state=%08x]\n", mState);
|
|
}
|
|
}
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
#if 0 //QQQ
|
|
void nsTableCellFrame::List(FILE* out, PRInt32 aIndent, nsIListFilter *aFilter) const
|
|
{
|
|
// if a filter is present, only output this frame if the filter says we should
|
|
nsIAtom* tag;
|
|
nsAutoString tagString;
|
|
mContent->GetTag(tag);
|
|
if (tag != nsnull)
|
|
tag->ToString(tagString);
|
|
if ((nsnull==aFilter) || (PR_TRUE==aFilter->OutputTag(&tagString)))
|
|
{
|
|
PRInt32 indent;
|
|
|
|
nsIContent* cell;
|
|
|
|
this->GetContent(cell);
|
|
if (cell != nsnull)
|
|
{
|
|
/*
|
|
for (indent = aIndent; --indent >= 0; ) fputs(" ", out);
|
|
fprintf(out,"RowSpan = %d ColSpan = %d \n",cell->GetRowSpan(),cell->GetColSpan());
|
|
*/
|
|
for (indent = aIndent; --indent >= 0; ) fputs(" ", out);
|
|
fprintf(out,"Margin -- Top: %d Left: %d Bottom: %d Right: %d \n",
|
|
NSTwipsToIntPoints(mMargin.top),
|
|
NSTwipsToIntPoints(mMargin.left),
|
|
NSTwipsToIntPoints(mMargin.bottom),
|
|
NSTwipsToIntPoints(mMargin.right));
|
|
|
|
|
|
for (indent = aIndent; --indent >= 0; ) fputs(" ", out);
|
|
|
|
nscoord top,left,bottom,right;
|
|
|
|
top = (mBorderFrame[NS_SIDE_TOP] ? GetBorderWidth((nsIFrame*)mBorderFrame[NS_SIDE_TOP], NS_SIDE_TOP) : 0);
|
|
left = (mBorderFrame[NS_SIDE_LEFT] ? GetBorderWidth((nsIFrame*)mBorderFrame[NS_SIDE_LEFT], NS_SIDE_LEFT) : 0);
|
|
bottom = (mBorderFrame[NS_SIDE_BOTTOM] ? GetBorderWidth((nsIFrame*)mBorderFrame[NS_SIDE_BOTTOM], NS_SIDE_BOTTOM) : 0);
|
|
right = (mBorderFrame[NS_SIDE_RIGHT] ? GetBorderWidth((nsIFrame*)mBorderFrame[NS_SIDE_RIGHT], NS_SIDE_RIGHT) : 0);
|
|
|
|
|
|
fprintf(out,"Border -- Top: %d Left: %d Bottom: %d Right: %d \n",
|
|
NSTwipsToIntPoints(top),
|
|
NSTwipsToIntPoints(left),
|
|
NSTwipsToIntPoints(bottom),
|
|
NSTwipsToIntPoints(right));
|
|
|
|
|
|
|
|
cell->List(out,aIndent);
|
|
NS_RELEASE(cell);
|
|
}
|
|
}
|
|
|
|
// Output the children
|
|
if (nsnull != mFirstChild) {
|
|
if (PR_TRUE==outputMe)
|
|
{
|
|
if (0 != mState) {
|
|
fprintf(out, " [state=%08x]", mState);
|
|
}
|
|
}
|
|
for (nsIFrame* child = mFirstChild; child; NextChild(child, child)) {
|
|
child->List(out, aIndent + 1, aFilter);
|
|
}
|
|
if (PR_TRUE==outputMe)
|
|
{
|
|
for (PRInt32 i = aIndent; --i >= 0; ) fputs(" ", out);
|
|
}
|
|
} else {
|
|
if (PR_TRUE==outputMe)
|
|
{
|
|
if (0 != mState) {
|
|
fprintf(out, " [state=%08x]", mState);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
#endif
|
|
|
|
NS_IMETHODIMP
|
|
nsTableCellFrame::GetFrameName(nsString& aResult) const
|
|
{
|
|
return MakeFrameName("TableCell", aResult);
|
|
}
|