/*
* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
* All rights reserved.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, version 2.1 of the License.
*
* 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not,
* see "http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html/".
*
* Description:
* This file implements the SystemDeviceImpl class.
*/
#include <QList>
#include <QString>
#include "SystemDeviceImpl.h"
#include "Utilities.h"
namespace GVA {
SystemDeviceImpl::SystemDeviceImpl()
{
// create Qt Mobility API objects for device info
m_deviceInfo = new QSystemDeviceInfo(this);
// When the m_deviceInfo signals battery level changed,
// DeviceDelegate emits batteryLevelChanged
safe_connect(m_deviceInfo, SIGNAL(batteryLevelChanged(int)),
this, SIGNAL(batteryLevelChanged(int)));
// set current charging state then keep it up to date with signal handler
m_batteryCharging = (m_deviceInfo->currentPowerState() ==
QSystemDeviceInfo::WallPowerChargingBattery) ? true : false;
safe_connect(m_deviceInfo, SIGNAL(powerStateChanged(QSystemDeviceInfo::PowerState)),
this, SLOT(handlePowerStateChanged(QSystemDeviceInfo::PowerState)));
}
SystemDeviceImpl::~SystemDeviceImpl()
{
// clean up
delete m_deviceInfo;
}
//! Get the current battery level.
int SystemDeviceImpl::getBatteryLevel() const
{
return (m_deviceInfo->batteryLevel());
}
//! Handles the powerStateChanged signal from system device info.
/*!
\param state new power state
*/
void SystemDeviceImpl::handlePowerStateChanged(QSystemDeviceInfo::PowerState state)
{
bool batteryCharging =
(state == QSystemDeviceInfo::WallPowerChargingBattery) ? true : false;
if (batteryCharging != m_batteryCharging) {
m_batteryCharging = batteryCharging;
//qDebug() << "DeviceDelegate: new charging = " << m_batteryCharging;
// emit battery level - subscriber will get charging state if desired
emit batteryLevelChanged(m_deviceInfo->batteryLevel());
}
}
} // GVA