/*

* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:

*

*/

#ifndef CXEGEOTAGGINGTRAILPRIVATE_H

#define CXEGEOTAGGINGTRAILPRIVATE_H

#include <QTimer>

#include <QObject>

#include <QVariant>

#include <QString>

#include "cxeerror.h"

#include "rlocationtrail.h"

#include "cxestatemachine.h"

#include "cxegeotaggingtrail.h"

// Forward declarations

class CxeSettings;

class RLocationTrail;

class CxeStillCaptureControl;

class CxeVideoCaptureControl;

class CxeGeoTaggingTrailPrivate : public QObject,

                                  public CxeStateMachine

{

    Q_OBJECT

private:

    CxeGeoTaggingTrailPrivate(CxeStillCaptureControl &stillControl,

                              CxeVideoCaptureControl &videoControl,

                              CxeSettings &settings);

    ~CxeGeoTaggingTrailPrivate();

signals:

    void stateChanged(CxeGeoTaggingTrail::State newState, CxeError::Id error);

protected: // from CxeStateMachine

    void handleStateChanged(int newStateId, CxeError::Id error);

private slots:

    void handleSettingValueChanged(const QString&,QVariant);

    void handleGeoTaggingPropertyEvent(long int uid, unsigned long int key, QVariant value);

    void timeout();

    void stop(bool closeSession = false);

private:

    void start();

    void initializeStates();

    bool canStopTrail() const;

    CxeGeoTaggingTrail::State state() const;

private:

    CxeStillCaptureControl &mStillCaptureControl;

    CxeVideoCaptureControl &mVideoCaptureControl;

    CxeSettings &mSettings;

    QTimer mStopLocationTrailTimer;

    bool mPendingStopTrailSession;

#if defined(Q_OS_SYMBIAN)

    RLocationTrail mLocationTrail;

#endif

    friend class CxeGeoTaggingTrail;

};

#endif // CXEGEOTAGGINGTRAILPRIVATE_H