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    41 

    42 #ifndef VOIPDIALER_H

    43 #define VOIPDIALER_H

    44 

    45 #include <QObject>

    46 

    47 class VoipDialer : public QObject

    48 {

    49     Q_OBJECT

    50     Q_ENUMS(ConnectionState)

    51 public:

    52     VoipDialer(QObject *parent = 0);

    53 

    54     //! [0]

    55 public:

    56     enum ConnectionState {

    57         Disconnected = 0,

    58         Connecting,

    59         Connected,

    60         Engaged

    61     };

    62     Q_PROPERTY( ConnectionState state READ state NOTIFY stateChanged);

    63     ConnectionState state() const;

    64 

    65 public slots:

    66     void dialNumber(const QString& number);

    67     void hangup();

    68 

    69 signals:

    70     void stateChanged();

    71     //! [0]

    72 

    73 protected:

    74     void timerEvent(QTimerEvent* event);

    75 private:

    76     void setNewState();

    77     int timerId;

    78     ConnectionState m_state;

    79 };

    80 

    81 

    82 #endif