Line data Source code
1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 :
20 : #ifndef INCLUDED_SLIDESHOW_SOURCE_INC_EVENTHANDLER_HXX
21 : #define INCLUDED_SLIDESHOW_SOURCE_INC_EVENTHANDLER_HXX
22 :
23 : #include <boost/shared_ptr.hpp>
24 :
25 :
26 : /* Definition of EventHandler interface */
27 :
28 : namespace slideshow
29 : {
30 : namespace internal
31 : {
32 :
33 : /** Interface for event handling objects.
34 :
35 : Classes implementing this interface can be added to an
36 : EventMultiplexer object, and are called from there to
37 : handle events.
38 : */
39 3 : class EventHandler
40 : {
41 : public:
42 3 : virtual ~EventHandler() {}
43 :
44 : /** Handle the event.
45 :
46 : @return true, if this handler has successfully
47 : processed the event. When this method returns false,
48 : possibly other, less prioritized handlers are called,
49 : too.
50 : */
51 : virtual bool handleEvent() = 0;
52 : };
53 :
54 : typedef ::boost::shared_ptr< EventHandler > EventHandlerSharedPtr;
55 :
56 : }
57 : }
58 :
59 : #endif // INCLUDED_SLIDESHOW_SOURCE_INC_EVENTHANDLER_HXX
60 :
61 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|