mirror of
https://github.com/mozilla/gecko-dev.git
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278 lines
7.8 KiB
C++
278 lines
7.8 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
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*/
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#include "nsCOMPtr.h"
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#include "nsTableColFrame.h"
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#include "nsContainerFrame.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 "nsHTMLIIDs.h"
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#include "nsHTMLAtoms.h"
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#include "nsCSSRendering.h"
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#include "nsLayoutAtoms.h"
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#include "nsIContent.h"
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#include "nsIDOMHTMLTableColElement.h"
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#define COL_TYPE_CONTENT 0x0
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#define COL_TYPE_ANONYMOUS_COL 0x1
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#define COL_TYPE_ANONYMOUS_COLGROUP 0x2
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#define COL_TYPE_ANONYMOUS_CELL 0x3
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nsTableColFrame::nsTableColFrame()
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: nsFrame(),
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mProportion(WIDTH_NOT_SET),
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mIsAnonymous(PR_FALSE)
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{
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// note that all fields are initialized to 0 by nsFrame::operator new
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ResetSizingInfo();
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SetType(eColContent);
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}
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nsTableColFrame::~nsTableColFrame()
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{
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}
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nsTableColType nsTableColFrame::GetType() const {
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switch(mBits.mType) {
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case COL_TYPE_ANONYMOUS_COL:
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return eColAnonymousCol;
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case COL_TYPE_ANONYMOUS_COLGROUP:
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return eColAnonymousColGroup;
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case COL_TYPE_ANONYMOUS_CELL:
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return eColAnonymousCell;
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default:
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return eColContent;
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}
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}
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void nsTableColFrame::SetType(nsTableColType aType) {
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mBits.mType = aType - eColContent;
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}
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// XXX what about other style besides width
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nsStyleCoord nsTableColFrame::GetStyleWidth() const
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{
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nsStylePosition* position = nsnull;
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position = (nsStylePosition*)mStyleContext->GetStyleData(eStyleStruct_Position);
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nsStyleCoord styleWidth = position->mWidth;
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// the following should not be necessary since html.css defines table-col and
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// :table-col to inherit. However, :table-col is not inheriting properly
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if (eStyleUnit_Auto == styleWidth.GetUnit()) {
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nsIFrame* parent;
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GetParent(&parent);
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nsCOMPtr<nsIStyleContext> styleContext;
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parent->GetStyleContext(getter_AddRefs(styleContext));
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if (styleContext) {
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position = (nsStylePosition*)styleContext->GetStyleData(eStyleStruct_Position);
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styleWidth = position->mWidth;
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}
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}
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nsStyleCoord returnWidth;
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returnWidth.mUnit = styleWidth.mUnit;
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returnWidth.mValue = styleWidth.mValue;
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return returnWidth;
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}
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void nsTableColFrame::ResetSizingInfo()
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{
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nsCRT::memset(mWidths, WIDTH_NOT_SET, NUM_WIDTHS * sizeof(PRInt32));
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mProportion = 0;
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mConstraint = eNoConstraint;
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mConstrainingCell = nsnull;
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}
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NS_METHOD nsTableColFrame::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 (NS_FRAME_PAINT_LAYER_BACKGROUND == aWhichLayer) {
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nsCompatibility mode;
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aPresContext->GetCompatibilityMode(&mode);
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if (eCompatibility_Standard == mode) {
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const nsStyleDisplay* disp =
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(const nsStyleDisplay*)mStyleContext->GetStyleData(eStyleStruct_Display);
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if (disp->IsVisibleOrCollapsed()) {
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const nsStyleSpacing* spacing =
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(const nsStyleSpacing*)mStyleContext->GetStyleData(eStyleStruct_Spacing);
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const nsStyleColor* color =
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(const nsStyleColor*)mStyleContext->GetStyleData(eStyleStruct_Color);
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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, *color, *spacing, 0, 0);
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}
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}
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}
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return NS_OK;
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}
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// override, since we want to act like a block
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NS_IMETHODIMP
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nsTableColFrame::GetFrameForPoint(nsIPresContext* aPresContext,
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const nsPoint& aPoint,
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nsFramePaintLayer aWhichLayer,
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nsIFrame** aFrame)
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{
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if ((aWhichLayer == NS_FRAME_PAINT_LAYER_BACKGROUND) &&
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(mRect.Contains(aPoint))) {
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const nsStyleDisplay* disp = (const nsStyleDisplay*)
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mStyleContext->GetStyleData(eStyleStruct_Display);
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if (disp->IsVisible()) {
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*aFrame = this;
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return NS_OK;
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}
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}
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return NS_ERROR_FAILURE;
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}
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NS_METHOD nsTableColFrame::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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DO_GLOBAL_REFLOW_COUNT("nsTableColFrame", aReflowState.reason);
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aDesiredSize.width=0;
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aDesiredSize.height=0;
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if (nsnull!=aDesiredSize.maxElementSize)
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{
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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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return NS_OK;
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}
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PRInt32 nsTableColFrame::GetSpan()
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{
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const nsStyleTable* tableStyle;
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GetStyleData(eStyleStruct_Table, (const nsStyleStruct *&)tableStyle);
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return tableStyle->mSpan;
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}
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nscoord nsTableColFrame::GetWidth(PRUint32 aWidthType)
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{
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NS_ASSERTION(aWidthType < NUM_WIDTHS, "GetWidth: bad width type");
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return mWidths[aWidthType];
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}
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void nsTableColFrame::SetWidth(PRUint32 aWidthType,
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nscoord aWidth)
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{
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NS_ASSERTION(aWidthType < NUM_WIDTHS, "SetWidth: bad width type");
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mWidths[aWidthType] = aWidth;
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#ifdef MY_DEBUG
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if (aWidth > 0) {
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nscoord minWidth = GetMinWidth();
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if ((MIN_CON != aWidthType) && (aWidth < minWidth)) {
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printf("non min width set to lower than min \n");
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}
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}
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#endif
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}
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nscoord nsTableColFrame::GetMinWidth()
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{
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return PR_MAX(mWidths[MIN_CON], mWidths[MIN_ADJ]);
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}
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nscoord nsTableColFrame::GetDesWidth()
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{
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return PR_MAX(mWidths[DES_CON], mWidths[DES_ADJ]);
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}
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nscoord nsTableColFrame::GetFixWidth()
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{
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return PR_MAX(mWidths[FIX], mWidths[FIX_ADJ]);
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}
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nscoord nsTableColFrame::GetPctWidth()
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{
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return PR_MAX(mWidths[PCT], mWidths[PCT_ADJ]);
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}
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void nsTableColFrame::Dump(PRInt32 aIndent)
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{
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char* indent = new char[aIndent + 1];
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if (!indent) return;
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for (PRInt32 i = 0; i < aIndent + 1; i++) {
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indent[i] = ' ';
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}
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indent[aIndent] = 0;
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printf("%s**START COL DUMP** colIndex=%d isAnonymous=%d constraint=%d",
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indent, mColIndex, mIsAnonymous, mConstraint);
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printf("\n%s widths=", indent);
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for (PRInt32 widthX = 0; widthX < NUM_WIDTHS; widthX++) {
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printf("%d ", mWidths[widthX]);
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}
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printf(" **END COL DUMP** ");
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delete [] indent;
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}
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/* ----- global methods ----- */
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nsresult
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NS_NewTableColFrame(nsIPresShell* aPresShell, nsIFrame** aNewFrame)
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{
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NS_PRECONDITION(aNewFrame, "null OUT ptr");
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if (nsnull == aNewFrame) {
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return NS_ERROR_NULL_POINTER;
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}
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nsTableColFrame* it = new (aPresShell) nsTableColFrame;
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if (nsnull == it) {
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return NS_ERROR_OUT_OF_MEMORY;
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}
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*aNewFrame = it;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsTableColFrame::GetFrameType(nsIAtom** aType) const
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{
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NS_PRECONDITION(nsnull != aType, "null OUT parameter pointer");
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*aType = nsLayoutAtoms::tableColFrame;
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NS_ADDREF(*aType);
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return NS_OK;
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}
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#ifdef DEBUG
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NS_IMETHODIMP
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nsTableColFrame::GetFrameName(nsString& aResult) const
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{
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return MakeFrameName("TableCol", aResult);
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}
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NS_IMETHODIMP
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nsTableColFrame::SizeOf(nsISizeOfHandler* aHandler, PRUint32* aResult) const
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{
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if (!aResult) {
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return NS_ERROR_NULL_POINTER;
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}
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PRUint32 sum = sizeof(*this);
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*aResult = sum;
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return NS_OK;
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}
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#endif
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