1 : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 : /* ***** BEGIN LICENSE BLOCK *****
3 : * Version: MPL 1.1/GPL 2.0/LGPL 2.1
4 : *
5 : * The contents of this file are subject to the Mozilla Public License Version
6 : * 1.1 (the "License"); you may not use this file except in compliance with
7 : * the License. You may obtain a copy of the License at
8 : * http://www.mozilla.org/MPL/
9 : *
10 : * Software distributed under the License is distributed on an "AS IS" basis,
11 : * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
12 : * for the specific language governing rights and limitations under the
13 : * License.
14 : *
15 : * The Original Code is Mozilla Communicator client code.
16 : *
17 : * The Initial Developer of the Original Code is
18 : * Netscape Communications Corporation.
19 : * Portions created by the Initial Developer are Copyright (C) 1998
20 : * the Initial Developer. All Rights Reserved.
21 : *
22 : * Contributor(s):
23 : * Original Author: David W. Hyatt (hyatt@netscape.com)
24 : *
25 : * Alternatively, the contents of this file may be used under the terms of
26 : * either of the GNU General Public License Version 2 or later (the "GPL"),
27 : * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
28 : * in which case the provisions of the GPL or the LGPL are applicable instead
29 : * of those above. If you wish to allow use of your version of this file only
30 : * under the terms of either the GPL or the LGPL, and not to allow others to
31 : * use your version of this file under the terms of the MPL, indicate your
32 : * decision by deleting the provisions above and replace them with the notice
33 : * and other provisions required by the GPL or the LGPL. If you do not delete
34 : * the provisions above, a recipient may use your version of this file under
35 : * the terms of any one of the MPL, the GPL or the LGPL.
36 : *
37 : * ***** END LICENSE BLOCK ***** */
38 : #ifndef nsBoxObject_h_
39 : #define nsBoxObject_h_
40 :
41 : #include "nsCOMPtr.h"
42 : #include "nsIBoxObject.h"
43 : #include "nsPIBoxObject.h"
44 : #include "nsPoint.h"
45 : #include "nsAutoPtr.h"
46 : #include "nsHashKeys.h"
47 : #include "nsInterfaceHashtable.h"
48 : #include "nsCycleCollectionParticipant.h"
49 :
50 : class nsIFrame;
51 : class nsIDocShell;
52 : struct nsIntRect;
53 : class nsIPresShell;
54 :
55 : class nsBoxObject : public nsPIBoxObject
56 : {
57 0 : NS_DECL_CYCLE_COLLECTING_ISUPPORTS
58 2936 : NS_DECL_CYCLE_COLLECTION_CLASS(nsBoxObject)
59 : NS_DECL_NSIBOXOBJECT
60 :
61 : public:
62 : nsBoxObject();
63 : virtual ~nsBoxObject();
64 :
65 : // nsPIBoxObject
66 : virtual nsresult Init(nsIContent* aContent);
67 : virtual void Clear();
68 : virtual void ClearCachedValues();
69 :
70 : nsIFrame* GetFrame(bool aFlushLayout);
71 : nsIPresShell* GetPresShell(bool aFlushLayout);
72 : nsresult GetOffsetRect(nsIntRect& aRect);
73 : nsresult GetScreenPosition(nsIntPoint& aPoint);
74 :
75 : // Given a parent frame and a child frame, find the frame whose
76 : // next sibling is the given child frame and return its element
77 : static nsresult GetPreviousSibling(nsIFrame* aParentFrame, nsIFrame* aFrame,
78 : nsIDOMElement** aResult);
79 :
80 : protected:
81 :
82 : nsAutoPtr<nsInterfaceHashtable<nsStringHashKey,nsISupports> > mPropertyTable; //[OWNER]
83 :
84 : nsIContent* mContent; // [WEAK]
85 : };
86 :
87 : #endif
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