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 namespace GVA {

    33 

    34 /*!

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

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

    37 */

    38 class DeviceDelegate : public QObject {

    39     Q_OBJECT

    40   public:

    41     // default constructor and destructor

    42     DeviceDelegate();

    43     ~DeviceDelegate();

    44     

    45     // properties accessible to javascript snippets

    46     Q_PROPERTY(int batteryLevel READ getBatteryLevel)

    47     Q_PROPERTY(int networkSignalStrength READ getNetworkSignalStrength)

    48     Q_PROPERTY(QString networkName READ getNetworkName)

    49     Q_PROPERTY(bool batteryCharging READ isBatteryCharging)

    50     

    51     

    52     // public methods

    53     int getBatteryLevel() const;

    54     int getNetworkSignalStrength() const;

    55     QString getNetworkName() const;

    56     bool isBatteryCharging() const;

    57     

    58   private:

    59     // private methods

    60 #ifdef QT_MOBILITY_BEARER_SYSINFO

    61     void updateSignalStrength(int strength);

    62     QSystemNetworkInfo::NetworkMode bearerNameToMode(QString) const;

    63     QSystemNetworkInfo::NetworkMode getInternetConfigurationMode();

    64     

    65     // private member variables

    66     QSystemDeviceInfo *m_deviceInfo;

    67     QSystemNetworkInfo *m_networkInfo;

    68     QSystemNetworkInfo::NetworkMode m_currentMode;

    69     QNetworkConfigurationManager *m_networkConfigManager;

    70 #endif

    71     QString m_currentConfigIdentifier;

    72     bool m_batteryCharging;

    73     bool m_updating; // updating network configurations

    74   

    75   signals:

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

    77     void batteryLevelChanged(int);

    78     // Sent when the network signal strength changes.

    79     void networkSignalStrengthChanged(int);

    80     // Sent when the network name changes.

    81     void networkNameChanged(const QString&);

    82   

    83   private slots:

    84 #ifdef QT_MOBILITY_BEARER_SYSINFO

    85     // handles signals from network configuration manager

    86     void configurationAdded(const QNetworkConfiguration &config);

    87     void configurationRemoved(const QNetworkConfiguration &config);

    88     void configurationChanged(const QNetworkConfiguration &config);

    89     void handleUpdateComplete();

    90 

    91     // handles signals from system network info

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

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

    94     

    95     // handles signals from system device info

    96     void handlePowerStateChanged(QSystemDeviceInfo::PowerState);

    97 #endif

    98 };

    99 

   100 #endif // DEVICEDELEGATE_H

   101 

   102 } // GVA