gecko-dev/layout/tables/nsTableColFrame.cpp

139 lines
3.8 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"
#ifdef NS_DEBUG
static PRBool gsDebug = PR_FALSE;
static PRBool gsNoisyRefs = PR_FALSE;
#else
static const PRBool gsDebug = PR_FALSE;
static const PRBool gsNoisyRefs = PR_FALSE;
#endif
nsTableColFrame::nsTableColFrame()
: nsFrame()
{
// note that all fields are initialized to 0 by nsFrame::operator new
mWidthSource = eWIDTH_SOURCE_NONE;
}
NS_METHOD nsTableColFrame::Paint(nsIPresContext& aPresContext,
nsIRenderingContext& aRenderingContext,
const nsRect& aDirtyRect)
{
if (gsDebug==PR_TRUE)
printf("nsTableColFrame::Paint\n");
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::GetColWidthForComputation()
{
const nsStylePosition* position;
GetStyleData(eStyleStruct_Position, ((const nsStyleStruct *&)position));
if (eStyleUnit_Coord==position->mWidth.GetUnit())
return position->mWidth.GetCoordValue();
else
return GetEffectiveMaxColWidth();
}
/* ----- global methods ----- */
nsresult
NS_NewTableColFrame(nsIFrame*& aResult)
{
nsIFrame* it = new nsTableColFrame;
if (nsnull == it) {
return NS_ERROR_OUT_OF_MEMORY;
}
aResult = it;
return NS_OK;
}
/* ----- debugging methods ----- */
NS_METHOD nsTableColFrame::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 nsFrame::List(out, aIndent, aFilter);
nsAutoString tagString("col");
if (PR_TRUE==aFilter->OutputTag(&tagString))
{
// 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);
}
return NS_OK;
}
NS_IMETHODIMP
nsTableColFrame::GetFrameName(nsString& aResult) const
{
return MakeFrameName("TableCol", aResult);
}