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/*
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* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, version 2.1 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program. If not,
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* see "http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html/".
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*
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* Description:
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* This file implements the SystemDeviceImpl class.
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*/
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#include <QList>
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#include <QString>
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#include "SystemDeviceImpl.h"
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#include "Utilities.h"
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namespace GVA {
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SystemDeviceImpl::SystemDeviceImpl()
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{
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// create Qt Mobility API objects for device info
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m_deviceInfo = new QSystemDeviceInfo(this);
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// When the m_deviceInfo signals battery level changed,
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// DeviceDelegate emits batteryLevelChanged
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safe_connect(m_deviceInfo, SIGNAL(batteryLevelChanged(int)),
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this, SIGNAL(batteryLevelChanged(int)));
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// set current charging state then keep it up to date with signal handler
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m_batteryCharging = (m_deviceInfo->currentPowerState() ==
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QSystemDeviceInfo::WallPowerChargingBattery) ? true : false;
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safe_connect(m_deviceInfo, SIGNAL(powerStateChanged(QSystemDeviceInfo::PowerState)),
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this, SLOT(handlePowerStateChanged(QSystemDeviceInfo::PowerState)));
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}
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SystemDeviceImpl::~SystemDeviceImpl()
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{
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// clean up
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delete m_deviceInfo;
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}
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//! Get the current battery level.
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int SystemDeviceImpl::getBatteryLevel() const
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{
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return (m_deviceInfo->batteryLevel());
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}
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//! Handles the powerStateChanged signal from system device info.
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/*!
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\param state new power state
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*/
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void SystemDeviceImpl::handlePowerStateChanged(QSystemDeviceInfo::PowerState state)
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{
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bool batteryCharging =
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(state == QSystemDeviceInfo::WallPowerChargingBattery) ? true : false;
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if (batteryCharging != m_batteryCharging) {
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m_batteryCharging = batteryCharging;
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//qDebug() << "DeviceDelegate: new charging = " << m_batteryCharging;
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// emit battery level - subscriber will get charging state if desired
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emit batteryLevelChanged(m_deviceInfo->batteryLevel());
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}
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}
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} // GVA
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