mirror of
https://github.com/mozilla/gecko-dev.git
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b54c4bdc95
from the prior available width. Some real-world test cases sped up 1-2 orders of magnitude for resize reflow. Initial reflow is unchanged because we still need to get pass1 metrics on all content. fixed nsCSSBlockFrame.cpp to take margins into account when computing parent's available width fixed distribution of excess space to table cells when table is bigger than the content it holds. not quite finished yet, but better.
173 lines
5.3 KiB
C++
173 lines
5.3 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 nsTableCellFrame_h__
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#define nsTableCellFrame_h__
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#include "nscore.h"
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#include "nsContainerFrame.h"
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#include "nsTableFrame.h"
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class nsCellLayoutData;
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struct nsStyleSpacing;
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/* eb42f7b0-079e-11d2-8f37-006008159b0c */
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#define NS_TABLECELLFRAME_CID \
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{0xeb42f7b0, 0x079e, 0x11d2, {0x8f, 0x37, 0x00, 0x60, 0x08, 0x15, 0x9b, 0x0c}}
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extern const nsIID kTableCellFrameCID;
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/**
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* nsTableCellFrame
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* data structure to maintain information about a single table cell's frame
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*
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* @author sclark
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*/
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class nsTableCellFrame : public nsContainerFrame
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{
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public:
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void Init(PRInt32 aRowSpan, PRInt32 aColSpan, PRInt32 aColIndex);
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static nsresult NewFrame(nsIFrame** aInstancePtrResult,
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nsIContent* aContent,
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nsIFrame* aParent);
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// nsISupports
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NS_IMETHOD QueryInterface(const nsIID& aIID, void** aInstancePtr);
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NS_IMETHOD Paint(nsIPresContext& aPresContext,
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nsIRenderingContext& aRenderingContext,
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const nsRect& aDirtyRect);
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NS_IMETHOD Reflow(nsIPresContext* aPresContext,
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nsReflowMetrics& aDesiredSize,
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const nsReflowState& aReflowState,
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nsReflowStatus& aStatus);
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/**
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* @see nsContainerFrame
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*/
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NS_IMETHOD CreateContinuingFrame(nsIPresContext* aPresContext,
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nsIFrame* aParent,
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nsIStyleContext* aStyleContext,
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nsIFrame*& aContinuingFrame);
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void VerticallyAlignChild(nsIPresContext* aPresContext);
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/** return the mapped cell's row span. Always >= 1. */
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virtual PRInt32 GetRowSpan();
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/** return the mapped cell's col span. Always >= 1. */
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virtual PRInt32 GetColSpan();
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/** return the mapped cell's column index (starting at 0 for the first column) */
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virtual PRInt32 GetColIndex();
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virtual void SetColIndex (int aColIndex);
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virtual nscoord GetPriorAvailWidth();
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virtual void SetPriorAvailWidth(nscoord aPriorAvailWidth);
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virtual ~nsTableCellFrame();
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// Get the TableFrame that contains this cell frame
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virtual nsTableFrame* GetTableFrame();
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nsCellLayoutData * GetCellLayoutData();
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void SetCellLayoutData(nsCellLayoutData *aData);
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// For DEBUGGING Purposes Only
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NS_IMETHOD MoveTo(nscoord aX, nscoord aY);
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NS_IMETHOD SizeTo(nscoord aWidth, nscoord aHeight);
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protected:
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/** protected constructor.
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* @see NewFrame
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*/
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nsTableCellFrame(nsIContent* aContent,
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nsIFrame* aParentFrame);
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/** Create a psuedo-frame for this cell. Handles continuing frames as needed.
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*/
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virtual void CreatePsuedoFrame(nsIPresContext* aPresContext);
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// Subclass hook for style post processing
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NS_IMETHOD DidSetStyleContext(nsIPresContext* aPresContext);
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void MapTextAttributes(nsIPresContext* aPresContext);
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void MapBorderMarginPadding(nsIPresContext* aPresContext);
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void MapHTMLBorderStyle(nsIPresContext* aPresContext,nsStyleSpacing& aSpacingStyle, nscoord aBorderWidth);
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PRBool ConvertToPixelValue(nsHTMLValue& aValue, PRInt32 aDefault, PRInt32& aResult);
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protected:
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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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/** the available width we were given in our previous reflow */
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nscoord mPriorAvailWidth;
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nsCellLayoutData *mCellLayoutData;
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};
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inline void nsTableCellFrame::Init(PRInt32 aRowSpan, PRInt32 aColSpan, PRInt32 aColIndex)
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{
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NS_PRECONDITION(0<aRowSpan, "bad row span arg");
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NS_PRECONDITION(0<aColSpan, "bad col span arg");
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NS_PRECONDITION(0<=aColIndex, "bad col index arg");
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mRowSpan = aRowSpan;
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mColSpan = aColSpan;
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mColIndex = aColIndex;
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}
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inline PRInt32 nsTableCellFrame::GetRowSpan()
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{ return mRowSpan;}
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inline PRInt32 nsTableCellFrame::GetColSpan()
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{ return mColSpan;}
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inline PRInt32 nsTableCellFrame::GetColIndex()
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{ return mColIndex;}
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inline void nsTableCellFrame::SetColIndex (int aColIndex)
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{
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NS_ASSERTION(0<=aColIndex, "illegal negative column index.");
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mColIndex = aColIndex;
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}
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inline nsCellLayoutData * nsTableCellFrame::GetCellLayoutData()
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{ return mCellLayoutData;}
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inline void nsTableCellFrame::SetCellLayoutData(nsCellLayoutData *aData)
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{ mCellLayoutData = aData;}
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inline nscoord nsTableCellFrame::GetPriorAvailWidth()
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{ return mPriorAvailWidth;}
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inline void nsTableCellFrame::SetPriorAvailWidth(nscoord aPriorAvailWidth)
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{ mPriorAvailWidth = aPriorAvailWidth;}
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#endif
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