LCOV - code coverage report
Current view: directory - layout/tables - nsTableOuterFrame.h (source / functions) Found Hit Coverage
Test: app.info Lines: 9 0 0.0 %
Date: 2012-06-02 Functions: 4 0 0.0 %

       1                 : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2                 : /* ***** BEGIN LICENSE BLOCK *****
       3                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
       4                 :  *
       5                 :  * The contents of this file are subject to the Mozilla Public License Version
       6                 :  * 1.1 (the "License"); you may not use this file except in compliance with
       7                 :  * the License. You may obtain a copy of the License at
       8                 :  * http://www.mozilla.org/MPL/
       9                 :  *
      10                 :  * Software distributed under the License is distributed on an "AS IS" basis,
      11                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
      12                 :  * for the specific language governing rights and limitations under the
      13                 :  * License.
      14                 :  *
      15                 :  * The Original Code is mozilla.org code.
      16                 :  *
      17                 :  * The Initial Developer of the Original Code is
      18                 :  * Netscape Communications Corporation.
      19                 :  * Portions created by the Initial Developer are Copyright (C) 1998
      20                 :  * the Initial Developer. All Rights Reserved.
      21                 :  *
      22                 :  * Contributor(s):
      23                 :  *
      24                 :  * Alternatively, the contents of this file may be used under the terms of
      25                 :  * either of the GNU General Public License Version 2 or later (the "GPL"),
      26                 :  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      27                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      28                 :  * of those above. If you wish to allow use of your version of this file only
      29                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      30                 :  * use your version of this file under the terms of the MPL, indicate your
      31                 :  * decision by deleting the provisions above and replace them with the notice
      32                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      33                 :  * the provisions above, a recipient may use your version of this file under
      34                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      35                 :  *
      36                 :  * ***** END LICENSE BLOCK ***** */
      37                 : #ifndef nsTableOuterFrame_h__
      38                 : #define nsTableOuterFrame_h__
      39                 : 
      40                 : #include "nscore.h"
      41                 : #include "nsContainerFrame.h"
      42                 : #include "nsBlockFrame.h"
      43                 : #include "nsITableLayout.h"
      44                 : #include "nsTableFrame.h"
      45                 : 
      46                 : class nsTableCaptionFrame : public nsBlockFrame
      47                 : {
      48                 : public:
      49                 :   NS_DECL_FRAMEARENA_HELPERS
      50                 : 
      51                 :   // nsISupports
      52                 :   virtual nsIAtom* GetType() const;
      53                 :   friend nsIFrame* NS_NewTableCaptionFrame(nsIPresShell* aPresShell, nsStyleContext*  aContext);
      54                 : 
      55                 :   virtual nsSize ComputeAutoSize(nsRenderingContext *aRenderingContext,
      56                 :                                  nsSize aCBSize, nscoord aAvailableWidth,
      57                 :                                  nsSize aMargin, nsSize aBorder,
      58                 :                                  nsSize aPadding, bool aShrinkWrap);
      59                 : 
      60                 :   virtual nsIFrame* GetParentStyleContextFrame() const;
      61                 : 
      62                 : #ifdef ACCESSIBILITY
      63                 :   virtual already_AddRefed<nsAccessible> CreateAccessible();
      64                 : #endif
      65                 : 
      66                 : #ifdef NS_DEBUG
      67                 :   NS_IMETHOD GetFrameName(nsAString& aResult) const;
      68                 : #endif
      69                 : 
      70                 : protected:
      71                 :   nsTableCaptionFrame(nsStyleContext*  aContext);
      72                 :   virtual ~nsTableCaptionFrame();
      73                 : };
      74                 : 
      75                 : 
      76                 : /* TODO
      77                 : 1. decide if we'll allow subclassing.  If so, decide which methods really need to be virtual.
      78                 : */
      79                 : 
      80                 : /**
      81                 :  * main frame for an nsTable content object, 
      82                 :  * the nsTableOuterFrame contains 0 or one caption frame, and a nsTableFrame
      83                 :  * pseudo-frame (referred to as the "inner frame').
      84                 :  */
      85                 : class nsTableOuterFrame : public nsContainerFrame, public nsITableLayout
      86                 : {
      87                 : public:
      88                 :   NS_DECL_QUERYFRAME
      89                 :   NS_DECL_FRAMEARENA_HELPERS
      90                 : 
      91                 :   /** instantiate a new instance of nsTableRowFrame.
      92                 :     * @param aPresShell the pres shell for this frame
      93                 :     *
      94                 :     * @return           the frame that was created
      95                 :     */
      96                 :   friend nsIFrame* NS_NewTableOuterFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
      97                 :   
      98                 :   // nsIFrame overrides - see there for a description
      99                 : 
     100                 :   virtual void DestroyFrom(nsIFrame* aDestructRoot);
     101                 : 
     102                 :   NS_IMETHOD SetInitialChildList(ChildListID     aListID,
     103                 :                                  nsFrameList&    aChildList);
     104                 :  
     105                 :   virtual const nsFrameList& GetChildList(ChildListID aListID) const;
     106                 :   virtual void GetChildLists(nsTArray<ChildList>* aLists) const;
     107                 : 
     108                 :   NS_IMETHOD AppendFrames(ChildListID     aListID,
     109                 :                           nsFrameList&    aFrameList);
     110                 : 
     111                 :   NS_IMETHOD InsertFrames(ChildListID     aListID,
     112                 :                           nsIFrame*       aPrevFrame,
     113                 :                           nsFrameList&    aFrameList);
     114                 : 
     115                 :   NS_IMETHOD RemoveFrame(ChildListID     aListID,
     116                 :                          nsIFrame*       aOldFrame);
     117                 : 
     118               0 :   virtual nsIFrame* GetContentInsertionFrame() {
     119               0 :     return GetFirstPrincipalChild()->GetContentInsertionFrame();
     120                 :   }
     121                 : 
     122                 : #ifdef ACCESSIBILITY
     123                 :   virtual already_AddRefed<nsAccessible> CreateAccessible();
     124                 : #endif
     125                 : 
     126                 :   NS_IMETHOD BuildDisplayList(nsDisplayListBuilder*   aBuilder,
     127                 :                               const nsRect&           aDirtyRect,
     128                 :                               const nsDisplayListSet& aLists);
     129                 : 
     130                 :   nsresult BuildDisplayListForInnerTable(nsDisplayListBuilder*   aBuilder,
     131                 :                                          const nsRect&           aDirtyRect,
     132                 :                                          const nsDisplayListSet& aLists);
     133                 : 
     134                 :   virtual nscoord GetBaseline() const;
     135                 : 
     136                 :   virtual nscoord GetMinWidth(nsRenderingContext *aRenderingContext);
     137                 :   virtual nscoord GetPrefWidth(nsRenderingContext *aRenderingContext);
     138                 :   virtual nsSize ComputeAutoSize(nsRenderingContext *aRenderingContext,
     139                 :                                  nsSize aCBSize, nscoord aAvailableWidth,
     140                 :                                  nsSize aMargin, nsSize aBorder,
     141                 :                                  nsSize aPadding, bool aShrinkWrap);
     142                 : 
     143                 :   /** process a reflow command for the table.
     144                 :     * This involves reflowing the caption and the inner table.
     145                 :     * @see nsIFrame::Reflow */
     146                 :   NS_IMETHOD Reflow(nsPresContext*          aPresContext,
     147                 :                     nsHTMLReflowMetrics&     aDesiredSize,
     148                 :                     const nsHTMLReflowState& aReflowState,
     149                 :                     nsReflowStatus&          aStatus);
     150                 : 
     151                 :   /**
     152                 :    * Get the "type" of the frame
     153                 :    *
     154                 :    * @see nsGkAtoms::tableOuterFrame
     155                 :    */
     156                 :   virtual nsIAtom* GetType() const;
     157                 : 
     158                 : #ifdef DEBUG
     159                 :   NS_IMETHOD GetFrameName(nsAString& aResult) const;
     160                 : #endif
     161                 : 
     162                 :   virtual nsIFrame* GetParentStyleContextFrame() const;
     163                 : 
     164                 :   /*---------------- nsITableLayout methods ------------------------*/
     165                 : 
     166                 :   /** @see nsITableFrame::GetCellDataAt */
     167                 :   NS_IMETHOD GetCellDataAt(PRInt32 aRowIndex, PRInt32 aColIndex, 
     168                 :                            nsIDOMElement* &aCell,   //out params
     169                 :                            PRInt32& aStartRowIndex, PRInt32& aStartColIndex, 
     170                 :                            PRInt32& aRowSpan, PRInt32& aColSpan,
     171                 :                            PRInt32& aActualRowSpan, PRInt32& aActualColSpan,
     172                 :                            bool& aIsSelected);
     173                 : 
     174                 :   /** @see nsITableFrame::GetTableSize */
     175                 :   NS_IMETHOD GetTableSize(PRInt32& aRowCount, PRInt32& aColCount);
     176                 : 
     177                 :   NS_IMETHOD GetIndexByRowAndColumn(PRInt32 aRow, PRInt32 aColumn, PRInt32 *aIndex);
     178                 :   NS_IMETHOD GetRowAndColumnByIndex(PRInt32 aIndex, PRInt32 *aRow, PRInt32 *aColumn);
     179                 : 
     180                 : protected:
     181                 : 
     182                 : 
     183                 :   nsTableOuterFrame(nsStyleContext* aContext);
     184                 :   virtual ~nsTableOuterFrame();
     185                 : 
     186                 :   void InitChildReflowState(nsPresContext&    aPresContext,                     
     187                 :                             nsHTMLReflowState& aReflowState);
     188                 : 
     189                 :   /** Always returns 0, since the outer table frame has no border of its own
     190                 :     * The inner table frame can answer this question in a meaningful way.
     191                 :     * @see nsContainerFrame::GetSkipSides */
     192                 :   virtual PRIntn GetSkipSides() const;
     193                 : 
     194                 :   PRUint8 GetCaptionSide(); // NS_STYLE_CAPTION_SIDE_* or NO_SIDE
     195                 : 
     196               0 :   bool HasSideCaption() {
     197               0 :     PRUint8 captionSide = GetCaptionSide();
     198                 :     return captionSide == NS_STYLE_CAPTION_SIDE_LEFT ||
     199               0 :            captionSide == NS_STYLE_CAPTION_SIDE_RIGHT;
     200                 :   }
     201                 :   
     202                 :   PRUint8 GetCaptionVerticalAlign();
     203                 : 
     204                 :   void SetDesiredSize(PRUint8         aCaptionSide,
     205                 :                       const nsMargin& aInnerMargin,
     206                 :                       const nsMargin& aCaptionMargin,
     207                 :                       nscoord&        aWidth,
     208                 :                       nscoord&        aHeight);
     209                 : 
     210                 :   nsresult   GetCaptionOrigin(PRUint32         aCaptionSide,
     211                 :                               const nsSize&    aContainBlockSize,
     212                 :                               const nsSize&    aInnerSize, 
     213                 :                               const nsMargin&  aInnerMargin,
     214                 :                               const nsSize&    aCaptionSize,
     215                 :                               nsMargin&        aCaptionMargin,
     216                 :                               nsPoint&         aOrigin);
     217                 : 
     218                 :   nsresult   GetInnerOrigin(PRUint32         aCaptionSide,
     219                 :                             const nsSize&    aContainBlockSize,
     220                 :                             const nsSize&    aCaptionSize, 
     221                 :                             const nsMargin&  aCaptionMargin,
     222                 :                             const nsSize&    aInnerSize,
     223                 :                             nsMargin&        aInnerMargin,
     224                 :                             nsPoint&         aOrigin);
     225                 :   
     226                 :   // reflow the child (caption or innertable frame)
     227                 :   void OuterBeginReflowChild(nsPresContext*           aPresContext,
     228                 :                              nsIFrame*                aChildFrame,
     229                 :                              const nsHTMLReflowState& aOuterRS,
     230                 :                              void*                    aChildRSSpace,
     231                 :                              nscoord                  aAvailWidth);
     232                 : 
     233                 :   nsresult OuterDoReflowChild(nsPresContext*           aPresContext,
     234                 :                               nsIFrame*                aChildFrame,
     235                 :                               const nsHTMLReflowState& aChildRS,
     236                 :                               nsHTMLReflowMetrics&     aMetrics,
     237                 :                               nsReflowStatus&          aStatus);
     238                 : 
     239                 :   // Set the reflow metrics
     240                 :   void UpdateReflowMetrics(PRUint8              aCaptionSide,
     241                 :                            nsHTMLReflowMetrics& aMet,
     242                 :                            const nsMargin&      aInnerMargin,
     243                 :                            const nsMargin&      aCaptionMargin);
     244                 : 
     245                 :   // Get the margin.  aMarginNoAuto is aMargin, but with auto 
     246                 :   // margins set to 0
     247                 :   void GetChildMargin(nsPresContext*           aPresContext,
     248                 :                       const nsHTMLReflowState& aOuterRS,
     249                 :                       nsIFrame*                aChildFrame,
     250                 :                       nscoord                  aAvailableWidth,
     251                 :                       nsMargin&                aMargin);
     252                 : 
     253               0 :   nsTableFrame* InnerTableFrame() const {
     254               0 :     return static_cast<nsTableFrame*>(mFrames.FirstChild());
     255                 :   }
     256                 :   
     257                 : private:
     258                 :   nsFrameList   mCaptionFrames;
     259                 : };
     260                 : 
     261               0 : inline PRIntn nsTableOuterFrame::GetSkipSides() const
     262               0 : { return 0; }
     263                 : 
     264                 : #endif

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