presage 0.9.1
observer.h
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1
2/******************************************************
3 * Presage, an extensible predictive text entry system
4 * ---------------------------------------------------
5 *
6 * Copyright (C) 2008 Matteo Vescovi <matteo.vescovi@yahoo.co.uk>
7
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
12
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
17
18 You should have received a copy of the GNU General Public License along
19 with this program; if not, write to the Free Software Foundation, Inc.,
20 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
21 *
22 **********(*)*/
23
24
25#ifndef PRESAGE_OBSERVER
26#define PRESAGE_OBSERVER
27
28#if HAVE_CONFIG_H
29# include "config.h"
30#endif
31
32class Observable;
33
34class Observer {
35 public:
36 virtual ~Observer () { };
37 virtual void update (const Observable* changed_observable) = 0;
38
39 protected:
40 Observer () { };
41
42};
43
44#endif // PRESAGE_OBSERVER
Observer()
Definition observer.h:40
virtual void update(const Observable *changed_observable)=0
virtual ~Observer()
Definition observer.h:36