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lightning-sunbird  0.9+nobinonly
nsGridRowLayout.h
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00002 /* ***** BEGIN LICENSE BLOCK *****
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00010  * Software distributed under the License is distributed on an "AS IS" basis,
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.
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 nsGridRowLayout_h___
00046 #define nsGridRowLayout_h___
00047 
00048 #include "nsSprocketLayout.h"
00049 #include "nsIGridPart.h"
00050 class nsGridRowGroupLayout;
00051 class nsGridLayout2;
00052 class nsBoxLayoutState;
00053 class nsIPresShell;
00054 class nsGrid;
00055 
00056 class nsGridRowLayout : public nsSprocketLayout,
00057                         public nsIGridPart
00058 {
00059 public:
00060   NS_DECL_ISUPPORTS_INHERITED
00061 
00062   NS_IMETHOD CastToRowGroupLayout(nsGridRowGroupLayout** aRowGroup);
00063   NS_IMETHOD CastToGridLayout(nsGridLayout2** aGrid);
00064   NS_IMETHOD GetGrid(nsIBox* aBox, nsGrid** aList, PRInt32* aIndex, nsGridRowLayout* aRequestor=nsnull);
00065   NS_IMETHOD GetParentGridPart(nsIBox* aBox, nsIBox** aParentBox, nsIGridPart** aParentGridRow);
00066   NS_IMETHOD ChildrenInserted(nsIBox* aBox, nsBoxLayoutState& aState, nsIBox* aPrevBox, nsIBox* aChildList);
00067   NS_IMETHOD ChildrenAppended(nsIBox* aBox, nsBoxLayoutState& aState, nsIBox* aChildList);
00068   NS_IMETHOD ChildrenRemoved(nsIBox* aBox, nsBoxLayoutState& aState, nsIBox* aChildList);
00069   NS_IMETHOD ChildrenSet(nsIBox* aBox, nsBoxLayoutState& aState, nsIBox* aChildList);
00070   NS_IMETHOD GetTotalMargin(nsIBox* aBox, nsMargin& aMargin, PRBool aIsHorizontal);
00071 
00072 protected:
00073   NS_IMETHOD ChildAddedOrRemoved(nsIBox* aBox, nsBoxLayoutState& aState)=0;
00074 
00075   nsGridRowLayout(nsIPresShell* aShell);
00076 };
00077 
00078 #endif
00079