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lightning-sunbird  0.9+nobinonly
nsIBoxLayout.h
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00001 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
00002 /* ***** BEGIN LICENSE BLOCK *****
00003  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
00004  *
00005  * The contents of this file are subject to the Mozilla Public License Version
00006  * 1.1 (the "License"); you may not use this file except in compliance with
00007  * the License. You may obtain a copy of the License at
00008  * http://www.mozilla.org/MPL/
00009  *
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.
00021  *
00022  * Contributor(s):
00023  *
00024  * Alternatively, the contents of this file may be used under the terms of
00025  * either of the GNU General Public License Version 2 or later (the "GPL"),
00026  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
00027  * in which case the provisions of the GPL or the LGPL are applicable instead
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00036  * ***** END LICENSE BLOCK ***** */
00037 
00038 #ifndef nsIBoxLayout_h___
00039 #define nsIBoxLayout_h___
00040 
00041 #include "nsISupports.h"
00042 #include "nsIFrame.h"
00043 
00044 class nsPresContext;
00045 class nsBoxLayout;
00046 class nsBoxLayoutState;
00047 class nsIRenderingContext;
00048 struct nsRect;
00049 
00050 // {162F6B5F-F926-11d3-BA06-001083023C1E}
00051 #define NS_IBOX_LAYOUT_IID { 0x162f6b5f, 0xf926, 0x11d3, { 0xba, 0x6, 0x0, 0x10, 0x83, 0x2, 0x3c, 0x1e } }
00052 
00053 class nsIBoxLayout : public nsISupports {
00054 
00055 public:
00056 
00057   NS_DEFINE_STATIC_IID_ACCESSOR(NS_IBOX_LAYOUT_IID)
00058 
00059   NS_IMETHOD Layout(nsIBox* aBox, nsBoxLayoutState& aState)=0;
00060 
00061   NS_IMETHOD GetPrefSize(nsIBox* aBox, nsBoxLayoutState& aBoxLayoutState, nsSize& aSize)=0;
00062   NS_IMETHOD GetMinSize(nsIBox* aBox, nsBoxLayoutState& aBoxLayoutState, nsSize& aSize)=0;
00063   NS_IMETHOD GetMaxSize(nsIBox* aBox, nsBoxLayoutState& aBoxLayoutState, nsSize& aSize)=0;
00064   NS_IMETHOD GetFlex(nsIBox* aBox, nsBoxLayoutState& aBoxLayoutState, nscoord& aFlex)=0;
00065   NS_IMETHOD GetAscent(nsIBox* aBox, nsBoxLayoutState& aBoxLayoutState, nscoord& aAscent)=0;
00066   NS_IMETHOD IsCollapsed(nsIBox* aBox, nsBoxLayoutState& aBoxLayoutState, PRBool& aCollapsed)=0;
00067 
00068   NS_IMETHOD ChildrenInserted(nsIBox* aBox, nsBoxLayoutState& aState, nsIBox* aPrevBox, nsIBox* aChildList)=0;
00069   NS_IMETHOD ChildrenAppended(nsIBox* aBox, nsBoxLayoutState& aState, nsIBox* aChildList)=0;
00070   NS_IMETHOD ChildrenRemoved(nsIBox* aBox, nsBoxLayoutState& aState, nsIBox* aChildList)=0;
00071   NS_IMETHOD ChildrenSet(nsIBox* aBox, nsBoxLayoutState& aState, nsIBox* aChildList)=0;
00072   NS_IMETHOD ChildBecameDirty(nsIBox* aBox, nsBoxLayoutState& aState, nsIBox* aChild)=0;
00073   NS_IMETHOD BecameDirty(nsIBox* aBox, nsBoxLayoutState& aState)=0;
00074 };
00075 
00076 #endif
00077