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updates.h

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00001 /* ScummVM - Graphic Adventure Engine
00002  *
00003  * ScummVM is the legal property of its developers, whose names
00004  * are too numerous to list here. Please refer to the COPYRIGHT
00005  * file distributed with this source distribution.
00006  *
00007  * This program is free software; you can redistribute it and/or
00008  * modify it under the terms of the GNU General Public License
00009  * as published by the Free Software Foundation; either version 2
00010  * of the License, or (at your option) any later version.
00011  *
00012  * This program is distributed in the hope that it will be useful,
00013  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00014  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015  * GNU General Public License for more details.
00016  *
00017  * You should have received a copy of the GNU General Public License
00018  * along with this program; if not, write to the Free Software
00019  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
00020  *
00021  */
00022 
00023 #ifndef COMMON_UPDATES_H
00024 #define COMMON_UPDATES_H
00025 
00026 #if defined(USE_UPDATES)
00027 
00028 namespace Common {
00029 
00041 class UpdateManager {
00042 public:
00043     enum UpdateState {
00044         kUpdateStateDisabled     = 0,
00045         kUpdateStateEnabled      = 1,
00046         kUpdateStateNotSupported = 2
00047     };
00048 
00049     enum UpdateInterval {
00050         kUpdateIntervalNotSupported = 0,
00051         kUpdateIntervalOneDay       = 86400,
00052         kUpdateIntervalOneWeek      = 604800,
00053         kUpdateIntervalOneMonth     = 2628000 // average seconds per month (60*60*24*365)/12
00054     };
00055 
00056     UpdateManager() {}
00057     virtual ~UpdateManager() {}
00058 
00065     virtual void checkForUpdates() {}
00066 
00072     virtual void setAutomaticallyChecksForUpdates(UpdateState state) {}
00073 
00081     virtual UpdateState getAutomaticallyChecksForUpdates() { return kUpdateStateNotSupported; }
00082 
00088     virtual void setUpdateCheckInterval(int interval) {}
00089 
00095     virtual int getUpdateCheckInterval() { return kUpdateIntervalNotSupported; }
00096 
00103     virtual bool getLastUpdateCheckTimeAndDate(TimeDate &t) { return false; }
00104 
00111     static const int *getUpdateIntervals();
00112 
00119     static const char *updateIntervalToString(int interval);
00120 
00127     static int normalizeInterval(int interval);
00128 };
00129 
00130 } // End of namespace Common
00131 
00132 #endif
00133 
00134 #endif // COMMON_UPDATES_H


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