1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
2 : *
3 : * ***** BEGIN LICENSE BLOCK *****
4 : * Version: MPL 1.1/GPL 2.0/LGPL 2.1
5 : *
6 : * The contents of this file are subject to the Mozilla Public License Version
7 : * 1.1 (the "License"); you may not use this file except in compliance with
8 : * the License. You may obtain a copy of the License at
9 : * http://www.mozilla.org/MPL/
10 : *
11 : * Software distributed under the License is distributed on an "AS IS" basis,
12 : * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
13 : * for the specific language governing rights and limitations under the
14 : * License.
15 : *
16 : * The Original Code is the Mozilla browser.
17 : *
18 : * The Initial Developer of the Original Code is
19 : * Netscape Communications, Inc.
20 : * Portions created by the Initial Developer are Copyright (C) 1999
21 : * the Initial Developer. All Rights Reserved.
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23 : * Contributor(s):
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"),
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37 : * ***** END LICENSE BLOCK ***** */
38 :
39 : #ifndef nsPrintPreviewListener_h__
40 : #define nsPrintPreviewListener_h__
41 :
42 : // Interfaces needed to be included
43 : #include "nsIDOMEventListener.h"
44 : #include "nsIDOMEventTarget.h"
45 : // Helper Classes
46 : #include "nsCOMPtr.h"
47 :
48 : //
49 : // class nsPrintPreviewListener
50 : //
51 : // The class that listens to the chrome events and tells the embedding
52 : // chrome to show context menus, as appropriate. Handles registering itself
53 : // with the DOM with AddChromeListeners() and removing itself with
54 : // RemoveChromeListeners().
55 : //
56 : class nsPrintPreviewListener : public nsIDOMEventListener
57 :
58 0 : {
59 : public:
60 : NS_DECL_ISUPPORTS
61 : NS_DECL_NSIDOMEVENTLISTENER
62 :
63 : nsPrintPreviewListener(nsIDOMEventTarget* aTarget);
64 :
65 : // Add/remove the relevant listeners, based on what interfaces
66 : // the embedding chrome implements.
67 : nsresult AddListeners();
68 : nsresult RemoveListeners();
69 :
70 : private:
71 :
72 : nsCOMPtr<nsIDOMEventTarget> mEventTarget;
73 :
74 : }; // class nsPrintPreviewListener
75 :
76 :
77 :
78 : #endif /* nsPrintPreviewListener_h__ */
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