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nsBoxLayout.h
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00001 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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
00012  * for the specific language governing rights and limitations under the
00013  * License.
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
00020  * the Initial Developer. All Rights Reserved.
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00022  * Contributor(s):
00023  *
00024  * Alternatively, the contents of this file may be used under the terms of
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00036  * ***** END LICENSE BLOCK ***** */
00037 
00038 #ifndef nsBoxLayout_h___
00039 #define nsBoxLayout_h___
00040 
00041 #include "nsIBoxLayout.h"
00042 
00043 class nsBoxLayout : public nsIBoxLayout {
00044 
00045 public:
00046 
00047   nsBoxLayout();
00048   virtual ~nsBoxLayout() {};
00049 
00050   NS_DECL_ISUPPORTS
00051 
00052   NS_IMETHOD Layout(nsIBox* aBox, nsBoxLayoutState& aState);
00053 
00054   NS_IMETHOD GetPrefSize(nsIBox* aBox, nsBoxLayoutState& aBoxLayoutState, nsSize& aSize);
00055   NS_IMETHOD GetMinSize(nsIBox* aBox, nsBoxLayoutState& aBoxLayoutState, nsSize& aSize);
00056   NS_IMETHOD GetMaxSize(nsIBox* aBox, nsBoxLayoutState& aBoxLayoutState, nsSize& aSize);
00057   NS_IMETHOD GetFlex(nsIBox* aBox, nsBoxLayoutState& aBoxLayoutState, nscoord& aFlex);
00058   NS_IMETHOD GetAscent(nsIBox* aBox, nsBoxLayoutState& aBoxLayoutState, nscoord& aAscent);
00059   NS_IMETHOD IsCollapsed(nsIBox* aBox, nsBoxLayoutState& aBoxLayoutState, PRBool& aCollapsed);
00060   NS_IMETHOD ChildrenInserted(nsIBox* aBox, nsBoxLayoutState& aState, nsIBox* aPrevBox, nsIBox* aChildList);
00061   NS_IMETHOD ChildrenAppended(nsIBox* aBox, nsBoxLayoutState& aState, nsIBox* aChildList);
00062   NS_IMETHOD ChildrenRemoved(nsIBox* aBox, nsBoxLayoutState& aState, nsIBox* aChildList);
00063   NS_IMETHOD ChildrenSet(nsIBox* aBox, nsBoxLayoutState& aState, nsIBox* aChildList);
00064   NS_IMETHOD ChildBecameDirty(nsIBox* aBox, nsBoxLayoutState& aState, nsIBox* aChild);
00065   NS_IMETHOD BecameDirty(nsIBox* aBox, nsBoxLayoutState& aState);
00066 
00067   virtual void GetParentLayout(nsIBox* aBox, nsIBoxLayout** aParent);
00068   virtual void AddBorderAndPadding(nsIBox* aBox, nsSize& aSize);
00069   virtual void AddInset(nsIBox* aBox, nsSize& aSize);
00070   virtual void AddMargin(nsIBox* aChild, nsSize& aSize);
00071   virtual void AddMargin(nsSize& aSize, const nsMargin& aMargin);
00072 
00073   static void AddLargestSize(nsSize& aSize, const nsSize& aToAdd);
00074   static void AddSmallestSize(nsSize& aSize, const nsSize& aToAdd);
00075 };
00076 
00077 #endif
00078