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