1 /*

     2 * Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description: 

    15 *

    16 */

    17 

    18 #ifndef DEVICEDELEGATE_H

    19 #define DEVICEDELEGATE_H

    20 

    21 #include <QObject>

    22 #include <QString>

    23 #ifdef QT_MOBILITY_BEARER_SYSINFO

    24 #include "qsysteminfo.h"

    25 #include "qnetworkconfiguration.h"

    26 #include "qnetworkconfigmanager.h"

    27 

    28 QTM_USE_NAMESPACE // using QtMobility namespace

    29 

    30 #endif // QT_MOBILITY_BEARER_SYSINFO

    31 

    32 

    33 /*!

    34   Class to provide device information. It uses QtMobility to provide 

    35   information about battery level, network signal strength, and network name.

    36 */

    37 class DeviceDelegate : public QObject {

    38     Q_OBJECT

    39   public:

    40     // default constructor and destructor

    41     DeviceDelegate();

    42     ~DeviceDelegate();

    43     

    44     // properties accessible to javascript snippets

    45     Q_PROPERTY(int batteryLevel READ getBatteryLevel)

    46     Q_PROPERTY(int networkSignalStrength READ getNetworkSignalStrength)

    47     Q_PROPERTY(QString networkName READ getNetworkName)

    48     Q_PROPERTY(bool batteryCharging READ isBatteryCharging)

    49     

    50     

    51     // public methods

    52     int getBatteryLevel() const;

    53     int getNetworkSignalStrength() const;

    54     QString getNetworkName() const;

    55     bool isBatteryCharging() const;

    56     

    57   private:

    58     // private methods

    59 #ifdef QT_MOBILITY_BEARER_SYSINFO

    60     void updateSignalStrength(int strength);

    61     QSystemNetworkInfo::NetworkMode bearerNameToMode(QString) const;

    62     QSystemNetworkInfo::NetworkMode getInternetConfigurationMode();

    63     

    64     // private member variables

    65     QSystemDeviceInfo *m_deviceInfo;

    66     QSystemNetworkInfo *m_networkInfo;

    67     QSystemNetworkInfo::NetworkMode m_currentMode;

    68     QNetworkConfigurationManager *m_networkConfigManager;

    69 #endif

    70     QString m_currentConfigIdentifier;

    71     bool m_batteryCharging;

    72     bool m_updating; // updating network configurations

    73   

    74   signals:

    75     // Sent when the battery level or charging state changes.

    76     void batteryLevelChanged(int);

    77     // Sent when the network signal strength changes.

    78     void networkSignalStrengthChanged(int);

    79     // Sent when the network name changes.

    80     void networkNameChanged(const QString&);

    81   

    82   private slots:

    83 #ifdef QT_MOBILITY_BEARER_SYSINFO

    84     // handles signals from network configuration manager

    85     void configurationAdded(const QNetworkConfiguration &config);

    86     void configurationRemoved(const QNetworkConfiguration &config);

    87     void configurationChanged(const QNetworkConfiguration &config);

    88     void handleUpdateComplete();

    89 

    90     // handles signals from system network info

    91     void handleNetworkSignalStrengthChanged(QSystemNetworkInfo::NetworkMode, int);

    92     void handleNetworkNameChanged(QSystemNetworkInfo::NetworkMode, const QString&);

    93     

    94     // handles signals from system device info

    95     void handlePowerStateChanged(QSystemDeviceInfo::PowerState);

    96 #endif

    97 };

    98 

    99 #endif // DEVICEDELEGATE_H