gecko-dev/layout/tables/nsTableColFrame.cpp

191 строка
5.2 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
#include "nsTableColFrame.h"
#include "nsContainerFrame.h"
#include "nsIReflowCommand.h"
#include "nsIStyleContext.h"
#include "nsStyleConsts.h"
#include "nsIPresContext.h"
#include "nsHTMLIIDs.h"
#include "nsHTMLAtoms.h"
#include "nsCSSRendering.h"
nsTableColFrame::nsTableColFrame()
: nsFrame(), mIsAnonymous(PR_FALSE), mProportion(WIDTH_NOT_SET)
{
// note that all fields are initialized to 0 by nsFrame::operator new
ResetSizingInfo();
}
nsTableColFrame::~nsTableColFrame()
{
}
void nsTableColFrame::ResetSizingInfo()
{
nsCRT::memset(mWidths, WIDTH_NOT_SET, NUM_WIDTHS * sizeof(PRInt32));
mProportion = 0;
mConstraint = eNoConstraint;
mConstrainingCell = nsnull;
}
NS_METHOD nsTableColFrame::Paint(nsIPresContext& aPresContext,
nsIRenderingContext& aRenderingContext,
const nsRect& aDirtyRect,
nsFramePaintLayer aWhichLayer)
{
if (NS_FRAME_PAINT_LAYER_BACKGROUND == aWhichLayer) {
nsCompatibility mode;
aPresContext.GetCompatibilityMode(&mode);
if (eCompatibility_Standard == mode) {
const nsStyleDisplay* disp =
(const nsStyleDisplay*)mStyleContext->GetStyleData(eStyleStruct_Display);
if (disp->mVisible) {
const nsStyleSpacing* spacing =
(const nsStyleSpacing*)mStyleContext->GetStyleData(eStyleStruct_Spacing);
const nsStyleColor* color =
(const nsStyleColor*)mStyleContext->GetStyleData(eStyleStruct_Color);
nsRect rect(0, 0, mRect.width, mRect.height);
nsCSSRendering::PaintBackground(aPresContext, aRenderingContext, this,
aDirtyRect, rect, *color, *spacing, 0, 0);
}
}
}
return NS_OK;
}
NS_METHOD nsTableColFrame::Reflow(nsIPresContext& aPresContext,
nsHTMLReflowMetrics& aDesiredSize,
const nsHTMLReflowState& aReflowState,
nsReflowStatus& aStatus)
{
aDesiredSize.width=0;
aDesiredSize.height=0;
if (nsnull!=aDesiredSize.maxElementSize)
{
aDesiredSize.maxElementSize->width=0;
aDesiredSize.maxElementSize->height=0;
}
aStatus = NS_FRAME_COMPLETE;
return NS_OK;
}
PRInt32 nsTableColFrame::GetSpan()
{
const nsStyleTable* tableStyle;
GetStyleData(eStyleStruct_Table, (const nsStyleStruct *&)tableStyle);
return tableStyle->mSpan;
}
nscoord nsTableColFrame::GetWidth(PRUint32 aWidthType)
{
NS_ASSERTION(aWidthType < NUM_WIDTHS, "GetWidth: bad width type");
return mWidths[aWidthType];
}
void nsTableColFrame::SetWidth(PRUint32 aWidthType,
nscoord aWidth)
{
NS_ASSERTION(aWidthType < NUM_WIDTHS, "SetWidth: bad width type");
mWidths[aWidthType] = aWidth;
#ifdef MY_DEBUG
if (aWidth > 0) {
nscoord minWidth = GetMinWidth();
if ((MIN_CON != aWidthType) && (aWidth < minWidth)) {
printf("non min width set to lower than min \n");
}
}
#endif
}
nscoord nsTableColFrame::GetMinWidth()
{
return PR_MAX(mWidths[MIN_CON], mWidths[MIN_ADJ]);
}
nscoord nsTableColFrame::GetDesWidth()
{
return PR_MAX(mWidths[DES_CON], mWidths[DES_ADJ]);
}
nscoord nsTableColFrame::GetFixWidth()
{
return PR_MAX(mWidths[FIX], mWidths[FIX_ADJ]);
}
nscoord nsTableColFrame::GetPctWidth()
{
return PR_MAX(mWidths[PCT], mWidths[PCT_ADJ]);
}
void nsTableColFrame::Dump(PRInt32 aIndent)
{
char* indent = new char[aIndent + 1];
for (PRInt32 i = 0; i < aIndent + 1; i++) {
indent[i] = ' ';
}
indent[aIndent] = 0;
printf("%s**START COL DUMP** colIndex=%d isAnonymous=%d constraint=%d",
indent, mColIndex, mIsAnonymous, mConstraint);
printf("\n%s widths=", indent);
for (PRInt32 widthX = 0; widthX < NUM_WIDTHS; widthX++) {
printf("%d ", mWidths[widthX]);
}
printf(" **END COL DUMP** ");
delete [] indent;
}
/* ----- global methods ----- */
nsresult
NS_NewTableColFrame(nsIFrame** aNewFrame)
{
NS_PRECONDITION(aNewFrame, "null OUT ptr");
if (nsnull == aNewFrame) {
return NS_ERROR_NULL_POINTER;
}
nsTableColFrame* it = new nsTableColFrame;
if (nsnull == it) {
return NS_ERROR_OUT_OF_MEMORY;
}
*aNewFrame = it;
return NS_OK;
}
NS_IMETHODIMP
nsTableColFrame::GetFrameName(nsString& aResult) const
{
return MakeFrameName("TableCol", aResult);
}
#ifdef DEBUG
NS_IMETHODIMP
nsTableColFrame::SizeOf(nsISizeOfHandler* aHandler, PRUint32* aResult) const
{
if (!aResult) {
return NS_ERROR_NULL_POINTER;
}
PRUint32 sum = sizeof(*this);
// XXX write me
*aResult = sum;
return NS_OK;
}
#endif