fe4ba8793e
misc. nav4 compatibility enhancements added the ability to QueryInterface for some specific table frame types git-svn-id: svn://10.0.0.236/trunk@4348 18797224-902f-48f8-a5cc-f745e15eee43
138 lines
4.0 KiB
C++
138 lines
4.0 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 License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#ifndef nsTableCell_h__
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#define nsTableCell_h__
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#include "nsCoord.h"
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#include "nscore.h"
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#include "nsTableContent.h"
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#include "nsTableRow.h"
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/**
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* nsTableCell is the content object that represents table cells
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* (HTML tags TD and TH). This class cannot be reused
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* outside of an nsTableRow. It assumes that its parent is an nsTableRow, and
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* it has a single nsBodyPart child.
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*
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* @see nsTablePart
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* @see nsTableRow
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* @see nsBodyPart
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*
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* @author sclark
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*/
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class nsTableCell : public nsTableContent
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{
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private:
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/** parent pointer */
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nsTableRow * mRow;
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/** the number of rows spanned by this cell */
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int mRowSpan;
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/** the number of columns spanned by this cell */
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int mColSpan;
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/** the starting column for this cell */
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int mColIndex;
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public:
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/** constructor
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* @param aImplicit PR_TRUE if there is no actual input tag corresponding to
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* this cell.
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*/
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nsTableCell (PRBool aImplicit);
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/** constructor
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* @param aTag the HTML tag causing this cell to get constructed.
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*/
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nsTableCell (nsIAtom* aTag);
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/** constructor
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* @param aTag the HTML tag causing this caption to get constructed.
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* @param aRowSpan the number of rows spanned
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* @param aColSpan the number of columns spanned
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*/
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nsTableCell (nsIAtom* aTag, int aRowSpan, int aColSpan);
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/** destructor, not responsible for any memory destruction itself */
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virtual ~nsTableCell();
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// For debugging purposes only
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NS_IMETHOD_(nsrefcnt) AddRef();
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NS_IMETHOD_(nsrefcnt) Release();
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/** returns nsITableContent::kTableCellType */
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virtual int GetType();
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/** @see nsIHTMLContent::CreateFrame */
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virtual nsresult CreateFrame(nsIPresContext* aPresContext,
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nsIFrame* aParentFrame,
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nsIStyleContext* aStyleContext,
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nsIFrame*& aResult);
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virtual void SetAttribute(nsIAtom* aAttribute, const nsString& aValue);
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virtual void MapAttributesInto(nsIStyleContext* aContext,
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nsIPresContext* aPresContext);
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/** @return the number of rows spanned by this cell. Always >= 1 */
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virtual int GetRowSpan ();
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/** set the number of rows spanned. Must be >= 1 */
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virtual void SetRowSpan (int aRowSpan);
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/** @return the number of columns spanned by this cell. Always >= 1 */
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virtual int GetColSpan ();
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/** set the number of columns spanned. Must be >= 1 */
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virtual void SetColSpan (int aColSpan);
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/** return a pointer to this cell's parent, the row containing the cell */
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virtual nsTableRow * GetRow ();
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/** set this cell's parent.
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* Note: Since mRow is the parent of the table cell,
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* reference counting should not be done on
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* this variable when setting the row.
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* see /ns/raptor/doc/MemoryModel.html
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*/
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virtual void SetRow (nsTableRow * aRow);
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/** @return the starting column for this cell. Always >= 1 */
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virtual int GetColIndex ();
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/** set the starting column for this cell. Always >= 1 */
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virtual void SetColIndex (int aColIndex);
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protected:
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virtual void Init();
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virtual nsContentAttr AttributeToString(nsIAtom* aAttribute,
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nsHTMLValue& aValue,
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nsString& aResult) const;
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};
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#endif
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