updates.h

/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

#ifndef COMMON_UPDATES_H
#define COMMON_UPDATES_H

#if defined(USE_UPDATES)

namespace Common {

class UpdateManager {
public:
    enum UpdateState {
        kUpdateStateDisabled     = 0,
        kUpdateStateEnabled      = 1,
        kUpdateStateNotSupported = 2
    };

    enum UpdateInterval {
        kUpdateIntervalNotSupported = 0,
        kUpdateIntervalOneDay       = 86400,
        kUpdateIntervalOneWeek      = 604800,
        kUpdateIntervalOneMonth     = 2628000 // average seconds per month (60*60*24*365)/12
    };

    UpdateManager() {}
    virtual ~UpdateManager() {}

    virtual void checkForUpdates() {}

    virtual void setAutomaticallyChecksForUpdates(UpdateState state) {}

    virtual UpdateState getAutomaticallyChecksForUpdates() { return kUpdateStateNotSupported; }

    virtual void setUpdateCheckInterval(int interval) {}

    virtual int getUpdateCheckInterval() { return kUpdateIntervalNotSupported; }

    virtual bool getLastUpdateCheckTimeAndDate(TimeDate &t) { return false; }

    static const int *getUpdateIntervals();

    static Common::U32String updateIntervalToString(int interval);

    static int normalizeInterval(int interval);
};

} // End of namespace Common

#endif

#endif // COMMON_UPDATES_H