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PowerManager.h
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PowerManager.h
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/*
* Copyright (C) 2005-2009 Team XBMC
* http://www.xbmc.org
*
* 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, 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 XBMC; see the file COPYING. If not, write to
* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
* http://www.gnu.org/copyleft/gpl.html
*
*/
#ifndef _POWER_MANAGER_H_
#define _POWER_MANAGER_H_
class IPowerEventsCallback
{
public:
virtual ~IPowerEventsCallback() { }
virtual void OnSleep() = 0;
virtual void OnWake() = 0;
virtual void OnLowBattery() = 0;
};
class IPowerSyscall
{
public:
virtual ~IPowerSyscall() {};
virtual bool Powerdown() = 0;
virtual bool Suspend() = 0;
virtual bool Hibernate() = 0;
virtual bool Reboot() = 0;
// Might need to be membervariables instead for speed
virtual bool CanPowerdown() = 0;
virtual bool CanSuspend() = 0;
virtual bool CanHibernate() = 0;
virtual bool CanReboot() = 0;
virtual bool IsSuspended() = 0;
};
// For systems without PowerSyscalls we have a NullObject
class CNullPowerSyscall : public IPowerSyscall
{
public:
virtual bool Powerdown() { return false; }
virtual bool Suspend() { return false; }
virtual bool Hibernate() { return false; }
virtual bool Reboot() { return false; }
virtual bool CanPowerdown() { return false; }
virtual bool CanSuspend() { return false; }
virtual bool CanHibernate() { return false; }
virtual bool CanReboot() { return false; }
virtual bool IsSuspended() { return false; }
};
// This class will wrap and handle PowerSyscalls.
// It will handle and decide if syscalls are needed.
class CPowerManager : public IPowerSyscall
{
public:
CPowerManager();
virtual ~CPowerManager();
virtual void Initialize();
virtual bool Powerdown();
virtual bool Suspend();
virtual bool Hibernate();
virtual bool Reboot();
virtual void Resume();
virtual bool CanPowerdown();
virtual bool CanSuspend();
virtual bool CanHibernate();
virtual bool CanReboot();
virtual bool IsSuspended() { return m_isSuspended; }
private:
IPowerSyscall *m_instance;
bool m_isSuspended;
unsigned int m_suspendTime;
};
extern CPowerManager g_powerManager;
#endif