presage
0.8.7
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00001 00002 /****************************************************** 00003 * Presage, an extensible predictive text entry system 00004 * --------------------------------------------------- 00005 * 00006 * Copyright (C) 2008 Matteo Vescovi <matteo.vescovi@yahoo.co.uk> 00007 00008 This program is free software; you can redistribute it and/or modify 00009 it under the terms of the GNU General Public License as published by 00010 the Free Software Foundation; either version 2 of the License, or 00011 (at your option) any later version. 00012 00013 This program is distributed in the hope that it will be useful, 00014 but WITHOUT ANY WARRANTY; without even the implied warranty of 00015 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00016 GNU General Public License for more details. 00017 00018 You should have received a copy of the GNU General Public License along 00019 with this program; if not, write to the Free Software Foundation, Inc., 00020 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 00021 * 00022 **********(*)*/ 00023 00024 00025 #ifndef PRESAGE_OBSERVER 00026 #define PRESAGE_OBSERVER 00027 00028 #if HAVE_CONFIG_H 00029 # include "config.h" 00030 #endif 00031 00032 class Observable; 00033 00034 class Observer { 00035 public: 00036 virtual ~Observer () { }; 00037 virtual void update (const Observable* changed_observable) = 0; 00038 00039 protected: 00040 Observer () { }; 00041 00042 }; 00043 00044 #endif // PRESAGE_OBSERVER