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nsGridRowLeafLayout.h
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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.
00016  *
00017  * The Initial Developer of the Original Code is
00018  * Netscape Communications Corporation.
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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 nsGridRowLeafLayout_h___
00046 #define nsGridRowLeafLayout_h___
00047 
00048 #include "nsGridRowLayout.h"
00049 #include "nsCOMPtr.h"
00050 
00051 class nsGridRowLeafLayout : public nsGridRowLayout
00052 {
00053 public:
00054 
00055   friend nsresult NS_NewGridRowLeafLayout(nsIPresShell* aPresShell, nsIBoxLayout** aNewLayout);
00056 
00057   NS_IMETHOD GetPrefSize(nsIBox* aBox, nsBoxLayoutState& aBoxLayoutState, nsSize& aSize);
00058   NS_IMETHOD GetMinSize(nsIBox* aBox, nsBoxLayoutState& aBoxLayoutState, nsSize& aSize);
00059   NS_IMETHOD GetMaxSize(nsIBox* aBox, nsBoxLayoutState& aBoxLayoutState, nsSize& aSize);
00060   NS_IMETHOD CastToGridRowLeaf(nsGridRowLeafLayout** aGridRowLeaf);
00061   NS_IMETHOD ChildBecameDirty(nsIBox* aBox, nsBoxLayoutState& aState, nsIBox* aChild);
00062   NS_IMETHOD BecameDirty(nsIBox* aBox, nsBoxLayoutState& aState);
00063   NS_IMETHOD ChildAddedOrRemoved(nsIBox* aBox, nsBoxLayoutState& aState);
00064   NS_IMETHOD Layout(nsIBox* aBox, nsBoxLayoutState& aBoxLayoutState);
00065   NS_IMETHOD CountRowsColumns(nsIBox* aBox, PRInt32& aRowCount, PRInt32& aComputedColumnCount);
00066   NS_IMETHOD DirtyRows(nsIBox* aBox, nsBoxLayoutState& aState);
00067   NS_IMETHOD BuildRows(nsIBox* aBox, nsGridRow* aRows, PRInt32* aCount);
00068   NS_IMETHOD GetRowCount(PRInt32& aRowCount);
00069 
00070 protected:
00071 
00072   virtual void PopulateBoxSizes(nsIBox* aBox, nsBoxLayoutState& aBoxLayoutState, nsBoxSize*& aBoxSizes, nsComputedBoxSize*& aComputedBoxSizes, nscoord& aMinSize, nscoord& aMaxSize, PRInt32& aFlexes);
00073   virtual void ComputeChildSizes(nsIBox* aBox, 
00074                          nsBoxLayoutState& aState, 
00075                          nscoord& aGivenSize, 
00076                          nsBoxSize* aBoxSizes, 
00077                          nsComputedBoxSize*& aComputedBoxSizes);
00078 
00079 
00080   nsGridRowLeafLayout(nsIPresShell* aShell);
00081   virtual ~nsGridRowLeafLayout();
00082   //virtual void AddBorderAndPadding(nsIBox* aBox, nsSize& aSize);
00083 
00084 private:
00085 
00086 }; // class nsGridRowLeafLayout
00087 
00088 #endif
00089