mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-07 20:17:37 +00:00
167 lines
6.2 KiB
C++
167 lines
6.2 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.
|
|
*/
|
|
#ifndef nsTableColGroupFrame_h__
|
|
#define nsTableColGroupFrame_h__
|
|
|
|
#include "nscore.h"
|
|
#include "nsHTMLContainerFrame.h"
|
|
|
|
class nsTableColFrame;
|
|
|
|
|
|
/**
|
|
* nsTableColGroupFrame
|
|
* data structure to maintain information about a single table cell's frame
|
|
*
|
|
* @author sclark
|
|
*/
|
|
class nsTableColGroupFrame : public nsHTMLContainerFrame
|
|
{
|
|
public:
|
|
|
|
// default constructor supplied by the compiler
|
|
|
|
/** instantiate a new instance of nsTableColGroupFrame.
|
|
* @param aResult the new object is returned in this out-param
|
|
*
|
|
* @return NS_OK if the frame was properly allocated, otherwise an error code
|
|
*/
|
|
friend nsresult
|
|
NS_NewTableColGroupFrame(nsIFrame*& aResult);
|
|
|
|
NS_IMETHOD SetInitialChildList(nsIPresContext& aPresContext,
|
|
nsIAtom* aListName,
|
|
nsIFrame* aChildList);
|
|
|
|
NS_IMETHOD Paint(nsIPresContext& aPresContext,
|
|
nsIRenderingContext& aRenderingContext,
|
|
const nsRect& aDirtyRect,
|
|
nsFramePaintLayer aWhichLayer);
|
|
|
|
/** reflow of a column group is a trivial matter of reflowing
|
|
* the col group's children (columns), and setting this frame
|
|
* to 0-size. Since tables are row-centric, column group frames
|
|
* don't play directly in the rendering game. They do however
|
|
* maintain important state that effects table and cell layout.
|
|
*/
|
|
NS_IMETHOD Reflow(nsIPresContext& aPresContext,
|
|
nsHTMLReflowMetrics& aDesiredSize,
|
|
const nsHTMLReflowState& aReflowState,
|
|
nsReflowStatus& aStatus);
|
|
|
|
NS_IMETHOD GetFrameName(nsString& aResult) const;
|
|
|
|
/** returns the number of columns represented by this group.
|
|
* if there are col children, count them (taking into account the span of each)
|
|
* else, check my own span attribute.
|
|
*/
|
|
virtual PRInt32 GetColumnCount();
|
|
|
|
virtual nsTableColFrame * GetFirstColumn();
|
|
|
|
virtual nsTableColFrame * GetNextColumn(nsIFrame *aChildFrame);
|
|
|
|
virtual nsTableColFrame * GetColumnAt(PRInt32 aColIndex);
|
|
|
|
virtual PRInt32 GetStartColumnIndex();
|
|
|
|
/** sets mStartColIndex to aIndex.
|
|
* @return the col count
|
|
* has the side effect of setting all child COL indexes
|
|
*/
|
|
virtual PRInt32 SetStartColumnIndex(PRInt32 aIndex);
|
|
|
|
/** helper method to get the span attribute for this colgroup */
|
|
PRInt32 GetSpan();
|
|
|
|
/** helper method returns PR_TRUE if this colgroup exists without any
|
|
* colgroup or col content in the table backing it.
|
|
*/
|
|
//PRBool IsManufactured();
|
|
|
|
protected:
|
|
|
|
/** implement abstract method on nsHTMLContainerFrame */
|
|
virtual PRIntn GetSkipSides() const;
|
|
|
|
/** Hook for style post processing.
|
|
* Since we need to know the full column structure before the COLS attribute
|
|
* can be interpreted, we can't just use DidSetStyleContext
|
|
*/
|
|
NS_IMETHOD SetStyleContextForFirstPass(nsIPresContext& aPresContext);
|
|
|
|
NS_IMETHOD InitNewFrames(nsIPresContext& aPresContext, nsIFrame* aChildList);
|
|
NS_IMETHOD AppendNewFrames(nsIPresContext& aPresContext, nsIFrame* aChildList);
|
|
|
|
|
|
NS_IMETHOD IncrementalReflow(nsIPresContext& aPresContext,
|
|
nsHTMLReflowMetrics& aDesiredSize,
|
|
const nsHTMLReflowState& aReflowState,
|
|
nsReflowStatus& aStatus);
|
|
|
|
NS_IMETHOD IR_TargetIsMe(nsIPresContext& aPresContext,
|
|
nsHTMLReflowMetrics& aDesiredSize,
|
|
const nsHTMLReflowState& aReflowState,
|
|
nsReflowStatus& aStatus);
|
|
|
|
NS_IMETHOD IR_ColInserted(nsIPresContext& aPresContext,
|
|
nsHTMLReflowMetrics& aDesiredSize,
|
|
const nsHTMLReflowState& aReflowState,
|
|
nsReflowStatus& aStatus,
|
|
nsTableColFrame * aInsertedFrame,
|
|
PRBool aReplace);
|
|
|
|
NS_IMETHOD IR_ColAppended(nsIPresContext& aPresContext,
|
|
nsHTMLReflowMetrics& aDesiredSize,
|
|
const nsHTMLReflowState& aReflowState,
|
|
nsReflowStatus& aStatus,
|
|
nsTableColFrame * aAppendedFrame);
|
|
|
|
NS_IMETHOD IR_ColRemoved(nsIPresContext& aPresContext,
|
|
nsHTMLReflowMetrics& aDesiredSize,
|
|
const nsHTMLReflowState& aReflowState,
|
|
nsReflowStatus& aStatus,
|
|
nsTableColFrame * aDeletedFrame);
|
|
|
|
NS_IMETHOD IR_StyleChanged(nsIPresContext& aPresContext,
|
|
nsHTMLReflowMetrics& aDesiredSize,
|
|
const nsHTMLReflowState& aReflowState,
|
|
nsReflowStatus& aStatus);
|
|
|
|
|
|
NS_IMETHOD IR_TargetIsChild(nsIPresContext& aPresContext,
|
|
nsHTMLReflowMetrics& aDesiredSize,
|
|
const nsHTMLReflowState& aReflowState,
|
|
nsReflowStatus& aStatus,
|
|
nsIFrame * aNextFrame);
|
|
|
|
|
|
// data members
|
|
|
|
PRInt32 mColCount;
|
|
|
|
/** the starting column index this col group represents. Must be >= 0. */
|
|
PRInt32 mStartColIndex;
|
|
|
|
};
|
|
|
|
inline int nsTableColGroupFrame::GetStartColumnIndex ()
|
|
{ return mStartColIndex;}
|
|
|
|
#endif
|