/*

* 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 HSACTIVITYDBCLIENTPRIVATE_H

#define HSACTIVITYDBCLIENTPRIVATE_H

#include "hsactivitydbclientinterface.h"

#include <e32base.h>

#include <hsactivitydbasyncrequestobserver.h>

class HsActivityDbAsyncRequestPrivate;

/**

 * Class implemets HsActivityDbClientInterface and is responsible for 

 * activity data management on S60 enviroment.

 */

class HsActivityDbClientPrivate : protected RSessionBase,

                                  public HsActivityDbClientInterface

{

public:

    /**

     * Constructor

     */

    HsActivityDbClientPrivate(HsActivityDbAsyncRequestObserver&);

    /**

     * Destructor

     */

    ~HsActivityDbClientPrivate();

    /**

     * Function establish connection to activity server

     * @return 0 on succees, error code otherwise

     */

    int connect();

    /**

     * Interface implementation.

     * @see int HsActivityDbClientInterface::addActivity(const QVariantHash &)

     */

    int addActivity(const QVariantHash &);

    /**

     * Interface implementation.

     * @see int HsActivityDbClientInterface::updateActivity(const QVariantHash &)

     */

    int updateActivity(const QVariantHash &);

    /**

     * Interface implementation.

     * @see int HsActivityDbClientInterface::removeActivity(const QVariantHash &)

     */

    int removeActivity(const QVariantHash &activity);

    /**

     * Interface implementation.

     * @see int HsActivityDbClientInterface::removeApplicationActivities(const QVariantHash &)

    */

    int removeApplicationActivities(const QVariantHash &activity);

    /**

     * Interface implementation.

     * @see int HsActivityDbClientInterface::requestedActivityName(QString &, const QVariantHash &);

     */

    int requestedActivityName(QString &, const QVariantHash &);

    /**

     * Interface implementation.

     * @see int HsActivityDbClientInterface::activities(QList<QVariantHash> &);

     */

    int activities(QList<QVariantHash> &);

    /**

     * Interface implementation.

     * @see int HsActivityDbClientInterface::applicationActivities(QList<QVariantHash> &, const QVariantHash &)

     */

    int applicationActivities(QList<QVariantHash>&, const QVariantHash &);

    /**

     * Interface implementation.

     * @see int HsActivityDbClientInterface::waitActivity(const QVariantHash &)

     */

    int waitActivity(const QVariantHash &activity);

    /**

     * Interface implementation.

     * @see int HsActivityDbClientInterface::launchActivity(const QVariantHash &)

     */

    int launchActivity(const QVariantHash &);

    /**

     * Interface implementation.

     * @see int HsActivityDbClientInterface::cancelWaitActivity()

     */

    int cancelWaitActivity();

public:

    /**

     * Function get cached data from server

     * @param dst - destination, preallocated buffer

     */

    void getData(RBuf8 & dst);

    /**

     * Function initialize aync request

     * @param func - requested function

     * @param data - request data

     * @param status - request status

     */

    void sendDataAsync(int func,const TIpcArgs & data, TRequestStatus& status);

private:

    /**

     * Function start activity server process.

     * Function can leave on failure.

     */

    void startServerL();

    /**

     * Function establish connection to activity server.

     * Function can leave on failure

     */

    void connectL();

    /**

     * Function execute remote call request.

     * @param function - remote function identyfier

     * @param activity - remote function parameters  

     */

    void execSimpleRequestL( int function, const QVariantHash &activity);

    /**

     * Function retrieve current activity name for application.

     * Function can leave on failure

     * @param  result - activity name

     * @param activity - request filtering rules 

     */

    void requestedActivityNameL(QString& result, 

                                const QVariantHash &activity);

    /**

     * Function retrieve all stored activity

     * Function can leave on failure

     * @param result - list of activity 

     */

    void activitiesL(QList<QVariantHash>& result);

    /**

     * Function retrieve all stored activity

     * Function can leave on failure

     * @param result - list of activity

     * @param cond - request conditions  

     */

    void applicationActivitiesL(QList<QVariantHash>& result, 

                                const QVariantHash & cond);

    void waitActivityL(const QVariantHash &activity);

private:

    /**

     * Async request handler

     * Own

     */

    HsActivityDbAsyncRequestPrivate* mAsyncDataHandler; 

};

#endif // HSACTIVITYDBCLIENTPRIVATE_H