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lightning-sunbird  0.9+nobinonly
nsGridCell.h
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00002 /* ***** BEGIN LICENSE BLOCK *****
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00011  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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00014  *
00015  * The Original Code is Mozilla Communicator client code.
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00017  * The Initial Developer of the Original Code is
00018  * Netscape Communications Corporation.
00019  * Portions created by the Initial Developer are Copyright (C) 1998
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00024  * Alternatively, the contents of this file may be used under the terms of
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00037 
00045 #ifndef nsGridCell_h___
00046 #define nsGridCell_h___
00047 
00048 #include "nsIFrame.h"
00049 
00050 class nsBoxLayoutState;
00051 struct nsSize;
00052 
00053 /*
00054  * Grid cell is what makes up the cellmap in the grid. Each GridCell contains
00055  * 2 pointers. One to the matching box in the columns and one to the matching box
00056  * in the rows. Remember that you can put content in both rows and columns.
00057  * When asked for preferred/min/max sizes it works like a stack and takes the 
00058  * biggest sizes.
00059  */
00060 
00061 class nsGridCell
00062 {
00063 public:
00064     nsGridCell();
00065     virtual ~nsGridCell();
00066 
00067     nsresult    GetPrefSize(nsBoxLayoutState& aBoxLayoutState, nsSize& aPref);
00068     nsresult    GetMinSize(nsBoxLayoutState& aBoxLayoutState, nsSize& aMin);
00069     nsresult    GetMaxSize(nsBoxLayoutState& aBoxLayoutState, nsSize& aMax);
00070     nsresult    IsCollapsed(nsBoxLayoutState& aBoxLayoutState, PRBool& aIsCollapsed);
00071 
00072 // accessors
00073     nsIBox*     GetBoxInColumn()             { return mBoxInColumn; }
00074     nsIBox*     GetBoxInRow()                { return mBoxInRow; }
00075     void        SetBoxInRow(nsIBox* aBox)    { mBoxInRow = aBox; }
00076     void        SetBoxInColumn(nsIBox* aBox) { mBoxInColumn = aBox; }
00077 
00078 private:
00079     nsIBox* mBoxInColumn;
00080     nsIBox* mBoxInRow;
00081 };
00082 
00083 #endif
00084