scummvm/common/updates.h
2014-02-18 02:39:33 +01:00

103 lines
3.0 KiB
C++

/* 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 2
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#ifndef BACKENDS_UPDATES_ABSTRACT_H
#define BACKENDS_UPDATES_ABSTRACT_H
#if defined(USE_UPDATES)
namespace Common {
/**
* The UpdateManager allows configuring of the automatic update checking
* for systems that support it:
* - using Sparkle on Mac OS X
* - using WinSparkle on Windows
*
* Most of the update checking is completely automated and this class only
* gives access to basic settings. It is mostly used by the GUI to set
* widgets state on the update page and for manually checking for updates
*
*/
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() {}
/**
* Checks manually if an update is available, showing progress UI to the user.
*
* By default, update checks are done silently on start.
* This allows to manually start an update check.
*/
virtual void checkForUpdates() {}
/**
* Sets the automatic update checking state
*
* @param state The state.
*/
virtual void setAutomaticallyChecksForUpdates(UpdateState state) {}
/**
* Gets the automatic update checking state
*
* @return kUpdateStateDisabled if automatic update checking is disabled,
* kUpdateStateEnabled if automatic update checking is enabled,
* kUpdateStateNotSupported if automatic update checking is not available
*/
virtual UpdateState getAutomaticallyChecksForUpdates() { return kUpdateStateNotSupported; }
/**
* Sets the update checking interval.
*
* @param interval The interval.
*/
virtual void setUpdateCheckInterval(UpdateInterval interval) {}
/**
* Gets the update check interval.
*
* @return the update check interval.
*/
virtual UpdateInterval getUpdateCheckInterval() { return kUpdateIntervalNotSupported; }
};
} // End of namespace Common
#endif
#endif // BACKENDS_UPDATES_ABSTRACT_H