~ubuntu-branches/ubuntu/natty/firefox/natty-updates

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is mozilla.org code.
 *
 * The Initial Developer of the Original Code is
 * Netscape Communications Corporation.
 * Portions created by the Initial Developer are Copyright (C) 1998
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *  Josh Aas <josh@mozilla.com>
 *  Thomas K. Dyas <tom.dyas@gmail.com>
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */

#ifndef _U_GLOBALMENUDOCLISTENER_H
#define _U_GLOBALMENUDOCLISTENER_H

#include <nsIMutationObserver.h>
#include <nsAutoPtr.h>
#include <nsHashKeys.h>
#include <nsClassHashtable.h>

#include "uMenuChangeObserver.h"

#ifdef DEBUG
#define DEBUG_chrisccoulson
#endif

class nsIContent;
class nsIDocument;

class uGlobalMenuDocListener: public nsIMutationObserver
{
public:
  NS_DECL_ISUPPORTS
  NS_DECL_NSIMUTATIONOBSERVER

  uGlobalMenuDocListener();
  nsresult Init(nsIContent *rootNode);
  nsresult RegisterForContentChanges(nsIContent *aContent,
                                     uMenuChangeObserver *aMenuObject);
  nsresult UnregisterForContentChanges(nsIContent *aContent,
                                       uMenuChangeObserver *aMenuObject);
  nsresult RegisterFallbackListener(uMenuChangeObserver *aMenuObject);
  nsresult UnregisterFallbackListener(uMenuChangeObserver *aMenuObject);
  void Destroy();
  ~uGlobalMenuDocListener();

private:
  nsTArray<uMenuChangeObserver *>* GetListenersForContent(nsIContent *aContent,
                                                          bool aCreate);

  nsIDocument *mDocument;
  nsClassHashtable<nsPtrHashKey<nsIContent>, nsTArray<uMenuChangeObserver *> > mContentToObserverTable;
  nsTArray<uMenuChangeObserver *> mFallbackObservers;
};

#endif