diff -r 000000000000 -r 876b1a06bc25 src/location/qnmeapositioninfosource_p.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/location/qnmeapositioninfosource_p.h Wed Aug 25 15:49:42 2010 +0300 @@ -0,0 +1,180 @@ +/**************************************************************************** +** +** 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. +** +** $QT_BEGIN_LICENSE:LGPL$ +** 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 QNMEAPOSITIONINFOSOURCE_P_H +#define QNMEAPOSITIONINFOSOURCE_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 "qnmeapositioninfosource.h" +#include "qgeopositioninfo.h" + +#include +#include +#include + +QT_BEGIN_NAMESPACE +class QBasicTimer; +class QTimerEvent; +class QTimer; +QT_END_NAMESPACE + +QT_BEGIN_HEADER + +QTM_BEGIN_NAMESPACE + +class QNmeaReader; +struct QPendingGeoPositionInfo { + QGeoPositionInfo info; + bool hasFix; +}; + + +class QNmeaPositionInfoSourcePrivate : public QObject +{ + Q_OBJECT +public: + explicit QNmeaPositionInfoSourcePrivate(QNmeaPositionInfoSource *parent); + ~QNmeaPositionInfoSourcePrivate(); + + void startUpdates(); + void stopUpdates(); + void requestUpdate(int msec); + + bool parsePosInfoFromNmeaData(const char *data, + int size, + QGeoPositionInfo *posInfo, + bool *hasFix); + + void notifyNewUpdate(QGeoPositionInfo *update, bool fixStatus); + + QNmeaPositionInfoSource::UpdateMode m_updateMode; + QPointer m_device; + QGeoPositionInfo m_lastUpdate; + bool m_invokedStart; + +public Q_SLOTS: + void readyRead(); + +protected: + void timerEvent(QTimerEvent *event); + +private Q_SLOTS: + void emitPendingUpdate(); + void sourceDataClosed(); + void updateRequestTimeout(); + +private: + bool openSourceDevice(); + bool initialize(); + void prepareSourceDevice(); + void emitUpdated(const QGeoPositionInfo &update); + + QNmeaPositionInfoSource *m_source; + QNmeaReader *m_nmeaReader; + QBasicTimer *m_updateTimer; + QGeoPositionInfo m_pendingUpdate; + QDate m_currentDate; + QTimer *m_requestTimer; + bool m_noUpdateLastInterval; + bool m_updateTimeoutSent; + bool m_connectedReadyRead; +}; + + +class QNmeaReader +{ +public: + explicit QNmeaReader(QNmeaPositionInfoSourcePrivate *sourcePrivate) + : m_proxy(sourcePrivate) {} + virtual ~QNmeaReader() {} + + virtual void readAvailableData() = 0; + +protected: + QNmeaPositionInfoSourcePrivate *m_proxy; +}; + + +class QNmeaRealTimeReader : public QNmeaReader +{ +public: + explicit QNmeaRealTimeReader(QNmeaPositionInfoSourcePrivate *sourcePrivate); + virtual void readAvailableData(); +}; + + +class QNmeaSimulatedReader : public QObject, public QNmeaReader +{ + Q_OBJECT +public: + explicit QNmeaSimulatedReader(QNmeaPositionInfoSourcePrivate *sourcePrivate); + ~QNmeaSimulatedReader(); + virtual void readAvailableData(); + +protected: + virtual void timerEvent(QTimerEvent *event); + +private Q_SLOTS: + void simulatePendingUpdate(); + +private: + bool setFirstDateTime(); + void processNextSentence(); + + QQueue m_pendingUpdates; + int m_currTimerId; + bool m_hasValidDateTime; +}; + +QTM_END_NAMESPACE + +QT_END_HEADER + +#endif