blob: df6042764f64b6f80b24f3c16d7c4d569fd6804c (
plain)
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
|
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 .
*/
#ifndef INCLUDED_SLIDESHOW_STATE_HXX
#define INCLUDED_SLIDESHOW_STATE_HXX
#include <sal/types.h>
#include <boost/shared_ptr.hpp>
/* Definition of State interface */
namespace slideshow
{
namespace internal
{
/** This interface represents a stateful object.
The state ID returned by the getStateId() method
abstractly encodes the object's state. When this ID
changes, clients can assume that the object's state has
changed.
*/
class State
{
public:
virtual ~State() {}
/// Abstract, numerically encoded state ID
typedef ::std::size_t StateId;
/** This method returns a numerical state identifier.
The state ID returned by this method abstractly
encodes the object's state. When this ID changes,
clients can assume that the object's state has
changed.
@return an abstract, numerical state ID.
*/
virtual StateId getStateId() const = 0;
};
typedef ::boost::shared_ptr< State > StateSharedPtr;
}
}
#endif /* INCLUDED_SLIDESHOW_STATE_HXX */
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
