qtmobility/src/location/qgeopositioninfosource.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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Revision: 201021 Kit: 2010123
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/****************************************************************************
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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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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the Qt Mobility Components.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** No Commercial Usage
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** This file contains pre-release code and may not be distributed.
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** You may use this file in accordance with the terms and conditions
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** contained in the Technology Preview License Agreement accompanying
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** this package.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file.  Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights.  These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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**
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**
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**
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QGEOPOSITIONINFOSOURCE_H
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#define QGEOPOSITIONINFOSOURCE_H
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#include "qmobilityglobal.h"
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#include "qgeopositioninfo.h"
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#include <QObject>
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QT_BEGIN_HEADER
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QTM_BEGIN_NAMESPACE
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class QGeoPositionInfoSourcePrivate;
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class Q_LOCATION_EXPORT QGeoPositionInfoSource : public QObject
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{
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    Q_OBJECT
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    Q_PROPERTY(int updateInterval READ updateInterval WRITE setUpdateInterval)
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    Q_PROPERTY(int minimumUpdateInterval READ minimumUpdateInterval)
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public:
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    enum PositioningMethod {
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        SatellitePositioningMethods = 0x000000ff,
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        NonSatellitePositioningMethods = 0xffffff00,
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        AllPositioningMethods = 0xffffffff
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    };
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    Q_DECLARE_FLAGS(PositioningMethods, PositioningMethod)
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    explicit QGeoPositionInfoSource(QObject *parent);
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    virtual ~QGeoPositionInfoSource();
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    virtual void setUpdateInterval(int msec);
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    int updateInterval() const;
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    virtual void setPreferredPositioningMethods(PositioningMethods methods);
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    PositioningMethods preferredPositioningMethods() const;
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    virtual QGeoPositionInfo lastKnownPosition(bool fromSatellitePositioningMethodsOnly = false) const = 0;
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    virtual PositioningMethods supportedPositioningMethods() const = 0;
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    virtual int minimumUpdateInterval() const = 0;
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    static QGeoPositionInfoSource *createDefaultSource(QObject *parent);
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public Q_SLOTS:
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    virtual void startUpdates() = 0;
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    virtual void stopUpdates() = 0;
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    virtual void requestUpdate(int timeout = 0) = 0;
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Q_SIGNALS:
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    void positionUpdated(const QGeoPositionInfo &update);
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    void updateTimeout();
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private:
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    Q_DISABLE_COPY(QGeoPositionInfoSource)
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    QGeoPositionInfoSourcePrivate *d;
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};
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Q_DECLARE_OPERATORS_FOR_FLAGS(QGeoPositionInfoSource::PositioningMethods)
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QTM_END_NAMESPACE
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QT_END_HEADER
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#endif