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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** 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 QGEOINFOTHREAD_WINCE_P_H
#define QGEOINFOTHREAD_WINCE_P_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 "qmobilityglobal.h"
#include <QThread>
#include <QMutex>
#include <QWaitCondition>
#include <QDateTime>
#include <windows.h>
// including requires <windows.h>
#include <gpsapi.h>
// including requires <windows.h>
// included here rather than in the cpp file to make sure it is included after <windows.h>
#include <service.h> // used for SERVICE_STATE_ constants
QTM_BEGIN_NAMESPACE
// Used to determine if the dataUpdated signal should be emitted by a QGeoInfoThreadWinCE instance.
// If valid() returns false the QGeoInfoThreadWinCE instance will ignore the data.
// This is subclassed in order to filter for valid position or satellite data in GPS_POSITION
// structs.
class QGeoInfoValidator
{
public:
QGeoInfoValidator();
virtual ~QGeoInfoValidator();
virtual bool valid(const GPS_POSITION &data) const = 0;
};
class QGeoInfoThreadWinCE : public QThread
{
Q_OBJECT
public:
enum {
// The default timeout for requests if none is specified.
DefaultRequestTimeout = 10000,
// The maximum time to spend waiting for GPS events in the main loop of the thread.
MaximumMainLoopWaitTime = 5000
};
QGeoInfoThreadWinCE(QGeoInfoValidator *validator, bool timeoutsForPeriodicUpdates, QObject *parent = 0);
~QGeoInfoThreadWinCE();
//public slots:
void requestUpdate(int timeout = 5000);
void startUpdates();
void stopUpdates();
void setUpdateInterval(int updateInterval);
signals:
void dataUpdated(GPS_POSITION data);
void updateTimeout();
protected:
void run();
private:
void wakeUp();
QDateTime currentDateTime();
int msecsTo(QDateTime from, QDateTime to);
QGeoInfoValidator *validator;
bool timeoutsForPeriodicUpdates;
bool requestScheduled;
qint32 requestInterval;
QDateTime requestNextTime;
bool updatesScheduled;
qint32 updatesInterval;
QDateTime updatesNextTime;
bool stopping;
bool gpsReachedOnState;
bool hasLastPosition;
bool invalidDataReceived;
bool updateTimeoutTriggered;
GPS_POSITION m_lastPosition;
QMutex mutex;
QWaitCondition statusUpdated;
HANDLE m_gps;
HANDLE m_newDataEvent;
HANDLE m_gpsStateChange;
HANDLE m_wakeUpEvent;
};
QTM_END_NAMESPACE
#endif //#ifndef QGEOINFOTHREAD_WINCE_P_H
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