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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_PAUSEEVENTHANDLER_HXX
21 : : #define INCLUDED_SLIDESHOW_PAUSEEVENTHANDLER_HXX
22 : :
23 : : #include <boost/shared_ptr.hpp>
24 : :
25 : :
26 : : /* Definition of PauseHandler interface */
27 : :
28 : : namespace slideshow
29 : : {
30 : : namespace internal
31 : : {
32 : :
33 : : /** Interface for handling pause events.
34 : :
35 : : Classes implementing this interface can be added to an
36 : : EventMultiplexer object, and are called from there to
37 : : handle pause events.
38 : : */
39 : 0 : class PauseEventHandler
40 : : {
41 : : public:
42 : : /** Handle the event.
43 : :
44 : : @param bPauseShow
45 : : When true, the show is paused. When false, the show is
46 : : started again
47 : :
48 : : @return true, if this handler has successfully
49 : : processed the pause event. When this method returns
50 : : false, possibly other, less prioritized handlers are
51 : : called, too.
52 : : */
53 : : virtual bool handlePause( bool bPauseShow ) = 0;
54 : :
55 : : protected:
56 : 0 : ~PauseEventHandler() {}
57 : : };
58 : :
59 : : typedef ::boost::shared_ptr< PauseEventHandler > PauseEventHandlerSharedPtr;
60 : : }
61 : : }
62 : :
63 : : #endif /* INCLUDED_SLIDESHOW_PAUSEEVENTHANDLER_HXX */
64 : :
65 : : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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