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     2 **

     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

     4 ** All rights reserved.

     5 ** Contact: Nokia Corporation (qt-info@nokia.com)

     6 **

     7 ** This file is part of the Qt Mobility Components.

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     9 ** $QT_BEGIN_LICENSE:LGPL$

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    12 ** You may use this file in accordance with the terms and conditions

    13 ** contained in the Technology Preview License Agreement accompanying

    14 ** this package.

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    16 ** GNU Lesser General Public License Usage

    17 ** Alternatively, this file may be used under the terms of the GNU Lesser

    18 ** General Public License version 2.1 as published by the Free Software

    19 ** Foundation and appearing in the file LICENSE.LGPL included in the

    20 ** packaging of this file.  Please review the following information to

    21 ** ensure the GNU Lesser General Public License version 2.1 requirements

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    24 ** In addition, as a special exception, Nokia gives you certain additional

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    38 ** $QT_END_LICENSE$

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    40 ****************************************************************************/

    41 #ifndef QGEOPOSITIONINFOSOURCE_H

    42 #define QGEOPOSITIONINFOSOURCE_H

    43 

    44 #include "qmobilityglobal.h"

    45 #include "qgeopositioninfo.h"

    46 

    47 #include <QObject>

    48 

    49 QT_BEGIN_HEADER

    50 

    51 QTM_BEGIN_NAMESPACE

    52 

    53 class QGeoPositionInfoSourcePrivate;

    54 class Q_LOCATION_EXPORT QGeoPositionInfoSource : public QObject

    55 {

    56     Q_OBJECT

    57     Q_PROPERTY(int updateInterval READ updateInterval WRITE setUpdateInterval)

    58     Q_PROPERTY(int minimumUpdateInterval READ minimumUpdateInterval)

    59 

    60 public:

    61     enum PositioningMethod {

    62         SatellitePositioningMethods = 0x000000ff,

    63         NonSatellitePositioningMethods = 0xffffff00,

    64         AllPositioningMethods = 0xffffffff

    65     };

    66     Q_DECLARE_FLAGS(PositioningMethods, PositioningMethod)

    67 

    68     explicit QGeoPositionInfoSource(QObject *parent);

    69     virtual ~QGeoPositionInfoSource();

    70 

    71     virtual void setUpdateInterval(int msec);

    72     int updateInterval() const;

    73 

    74     virtual void setPreferredPositioningMethods(PositioningMethods methods);

    75     PositioningMethods preferredPositioningMethods() const;

    76 

    77     virtual QGeoPositionInfo lastKnownPosition(bool fromSatellitePositioningMethodsOnly = false) const = 0;

    78 

    79     virtual PositioningMethods supportedPositioningMethods() const = 0;

    80     virtual int minimumUpdateInterval() const = 0;

    81 

    82     static QGeoPositionInfoSource *createDefaultSource(QObject *parent);

    83 

    84 public Q_SLOTS:

    85     virtual void startUpdates() = 0;

    86     virtual void stopUpdates() = 0;

    87 

    88     virtual void requestUpdate(int timeout = 0) = 0;

    89 

    90 Q_SIGNALS:

    91     void positionUpdated(const QGeoPositionInfo &update);

    92     void updateTimeout();

    93 

    94 private:

    95     Q_DISABLE_COPY(QGeoPositionInfoSource)

    96     QGeoPositionInfoSourcePrivate *d;

    97 };

    98 

    99 Q_DECLARE_OPERATORS_FOR_FLAGS(QGeoPositionInfoSource::PositioningMethods)

   100 

   101 QTM_END_NAMESPACE

   102 

   103 QT_END_HEADER

   104 

   105 #endif