pjs/layout/tables/nsTableColFrame.cpp

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
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*
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
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* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
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#include "nsCOMPtr.h"
#include "nsTableColFrame.h"
#include "nsTableFrame.h"
#include "nsContainerFrame.h"
#include "nsStyleContext.h"
#include "nsStyleConsts.h"
#include "nsPresContext.h"
#include "nsLayoutAtoms.h"
#include "nsCSSRendering.h"
#include "nsIContent.h"
#include "nsIDOMHTMLTableColElement.h"
#define COL_TYPE_BITS 0xF0000000 // uses bits 29-32 from mState
#define COL_TYPE_OFFSET 28
#define COL_CONSTRAINT_BITS 0x07000000 // uses bits 25-27
#define COL_CONSTRAINT_OFFSET 24
nsTableColFrame::nsTableColFrame(nsStyleContext* aContext) : nsFrame(aContext)
{
SetColType(eColContent);
ResetMinCoord();
ResetPrefCoord();
ResetPrefPercent();
ResetSpanMinCoord();
ResetSpanPrefCoord();
ResetSpanPrefPercent();
ResetFinalWidth();
}
nsTableColFrame::~nsTableColFrame()
{
}
nsTableColType
nsTableColFrame::GetColType() const
{
return (nsTableColType)((mState & COL_TYPE_BITS) >> COL_TYPE_OFFSET);
}
void
nsTableColFrame::SetColType(nsTableColType aType)
{
PRUint32 type = aType - eColContent;
mState |= (type << COL_TYPE_OFFSET);
}
void nsTableColFrame::SetContinuousBCBorderWidth(PRUint8 aForSide,
BCPixelSize aPixelValue)
{
switch (aForSide) {
case NS_SIDE_TOP:
mTopContBorderWidth = aPixelValue;
return;
case NS_SIDE_RIGHT:
mRightContBorderWidth = aPixelValue;
return;
case NS_SIDE_BOTTOM:
mBottomContBorderWidth = aPixelValue;
return;
default:
NS_ERROR("invalid side arg");
}
}
NS_METHOD nsTableColFrame::Reflow(nsPresContext* aPresContext,
nsHTMLReflowMetrics& aDesiredSize,
const nsHTMLReflowState& aReflowState,
nsReflowStatus& aStatus)
{
DO_GLOBAL_REFLOW_COUNT("nsTableColFrame");
DISPLAY_REFLOW(aPresContext, this, aReflowState, aDesiredSize, aStatus);
aDesiredSize.width=0;
aDesiredSize.height=0;
const nsStyleVisibility* colVis = GetStyleVisibility();
PRBool collapseCol = (NS_STYLE_VISIBILITY_COLLAPSE == colVis->mVisible);
if (collapseCol) {
nsTableFrame* tableFrame = nsTableFrame::GetTableFrame(this);
if (tableFrame) {
tableFrame->SetNeedToCollapse(PR_TRUE);
}
}
aStatus = NS_FRAME_COMPLETE;
NS_FRAME_SET_TRUNCATION(aStatus, aReflowState, aDesiredSize);
return NS_OK;
}
PRInt32 nsTableColFrame::GetSpan()
{
return GetStyleTable()->mSpan;
}
#ifdef DEBUG
void nsTableColFrame::Dump(PRInt32 aIndent)
{
char* indent = new char[aIndent + 1];
if (!indent) return;
for (PRInt32 i = 0; i < aIndent + 1; i++) {
indent[i] = ' ';
}
indent[aIndent] = 0;
printf("%s**START COL DUMP**\n%s colIndex=%d coltype=",
indent, indent, mColIndex);
nsTableColType colType = GetColType();
switch (colType) {
case eColContent:
printf(" content ");
break;
case eColAnonymousCol:
printf(" anonymous-column ");
break;
case eColAnonymousColGroup:
printf(" anonymous-colgroup ");
break;
case eColAnonymousCell:
printf(" anonymous-cell ");
break;
}
printf("\nm:%d c:%d p:%d sm:%d sc:%d sp:%d f:%d",
GetMinCoord(), GetPrefCoord(), GetPrefPercent(),
GetSpanMinCoord(), GetSpanPrefCoord(), GetSpanPrefPercent(),
GetFinalWidth());
printf("\n%s**END COL DUMP** ", indent);
delete [] indent;
}
#endif
/* ----- global methods ----- */
nsIFrame*
NS_NewTableColFrame(nsIPresShell* aPresShell, nsStyleContext* aContext)
{
return new (aPresShell) nsTableColFrame(aContext);
}
NS_IMETHODIMP
nsTableColFrame::Init(nsIContent* aContent,
nsIFrame* aParent,
nsIFrame* aPrevInFlow)
{
// Let the base class do its initialization
nsresult rv = nsFrame::Init(aContent, aParent, aPrevInFlow);
// record that children that are ignorable whitespace should be excluded
mState |= NS_FRAME_EXCLUDE_IGNORABLE_WHITESPACE;
return rv;
}
nsTableColFrame*
nsTableColFrame::GetNextCol() const
{
nsIFrame* childFrame = GetNextSibling();
while (childFrame) {
if (nsGkAtoms::tableColFrame == childFrame->GetType()) {
return (nsTableColFrame*)childFrame;
}
childFrame = childFrame->GetNextSibling();
}
return nsnull;
}
nsIAtom*
nsTableColFrame::GetType() const
{
return nsGkAtoms::tableColFrame;
}
#ifdef DEBUG
NS_IMETHODIMP
nsTableColFrame::GetFrameName(nsAString& aResult) const
{
return MakeFrameName(NS_LITERAL_STRING("TableCol"), aResult);
}
#endif