qtmobility/src/location/qgeopositioninfosource_maemo5_p.h
changeset 4 90517678cc4f
child 11 06b8e2af4411
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/qtmobility/src/location/qgeopositioninfosource_maemo5_p.h	Mon May 03 13:18:40 2010 +0300
@@ -0,0 +1,115 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the Qt Mobility Components.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QGEOPOSITIONINFOSOURCEMAEMO5_H
+#define QGEOPOSITIONINFOSOURCEMAEMO5_H
+
+#include <QTimer>
+#include "qgeopositioninfosource.h"
+
+#define INIT_OK                     0
+#define INIT_FAILED                 -1
+#define MINIMUM_UPDATE_INTERVAL     1000
+#define DEFAULT_UPDATE_INTERVAL     5000
+#define POWERSAVE_THRESHOLD         180000
+#define POWERSAVE_POWERON_PERIOD    120000
+
+QTM_BEGIN_NAMESPACE
+
+class LiblocationWrapper;
+
+class QGeoPositionInfoSourceMaemo : public QGeoPositionInfoSource
+{
+    Q_OBJECT
+
+public:
+
+    QGeoPositionInfoSourceMaemo(QObject *parent = 0);
+
+    int init();
+
+    virtual void setUpdateInterval(int interval);
+    virtual void setPreferredPositioningMethods(PositioningMethods sources);
+    virtual QGeoPositionInfo lastKnownPosition(bool fromSatellitePositioningMethodsOnly = false) const;
+    virtual PositioningMethods supportedPositioningMethods() const;
+    virtual int minimumUpdateInterval() const;
+
+private:
+    PositioningMethods availableMethods;
+    bool positionInited;
+    QTimer *updateTimer;
+    QTimer *requestTimer;
+    int timerInterval;
+    bool errorOccurred;
+    bool errorSent;
+
+    void activateTimer();
+    void startLocationDaemon();
+    
+    enum PositionInfoState {
+        Undefined = 0,
+        Started = 1,
+        Stopped = 2,
+        RequestActive = 4,
+        PowersaveActive = 8
+    };
+    int positionInfoState;
+    
+signals:
+    void positionUpdated(const QGeoPositionInfo &update);
+    
+public slots:
+    void startUpdates();
+    void stopUpdates();
+    void requestUpdate(int timeout = DEFAULT_UPDATE_INTERVAL);
+    void newPositionUpdate();
+
+private slots:
+    void requestTimeoutElapsed();
+    void error();
+
+private:
+    Q_DISABLE_COPY(QGeoPositionInfoSourceMaemo)
+};
+
+QTM_END_NAMESPACE
+
+#endif // QGEOPOSITIONINFOSOURCEMAEMO5_H