Backport of QGeo*InfoSourceMaemo5 and others fixes

[googlelatitude] / liblocationmaemo5 / qgeopositioninfosource_maemo5_p.h

diff --git a/liblocationmaemo5/qgeopositioninfosource_maemo5_p.h b/liblocationmaemo5/qgeopositioninfosource_maemo5_p.h
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+++ b/liblocationmaemo5/qgeopositioninfosource_maemo5_p.h
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+/****************************************************************************
+**
+** Copyright (C) 2010 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.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** GNU Lesser General Public License Usage
+** 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.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU General
+** Public License version 3.0 as published by the Free Software Foundation
+** and appearing in the file LICENSE.GPL included in the packaging of this
+** file. Please review the following information to ensure the GNU General
+** Public License version 3.0 requirements will be met:
+** http://www.gnu.org/copyleft/gpl.html.
+**
+** Other Usage
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QGEOPOSITIONINFOSOURCEMAEMO5_H
+#define QGEOPOSITIONINFOSOURCEMAEMO5_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#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 methods);
+    virtual QGeoPositionInfo lastKnownPosition(bool fromSatellitePositioningMethodsOnly = false) const;
+    virtual PositioningMethods supportedPositioningMethods() const;
+    virtual int minimumUpdateInterval() const;
+
+private:
+    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;
+    
+    QGeoPositionInfo lastUpdateFromSatellite;
+    QGeoPositionInfo lastUpdateFromNetwork;
+
+signals:
+    void positionUpdated(const QGeoPositionInfo &update);
+
+public slots:
+    void startUpdates();
+    void stopUpdates();
+    void requestUpdate(int timeout = DEFAULT_UPDATE_INTERVAL);
+
+private slots:
+    void requestTimeoutElapsed();
+    void error();
+    void newPositionUpdate(const QGeoPositionInfo &position);
+    void updateTimeoutElapsed();
+
+private:
+    Q_DISABLE_COPY(QGeoPositionInfoSourceMaemo)
+};
+
+QTM_END_NAMESPACE
+
+#endif // QGEOPOSITIONINFOSOURCEMAEMO5_H