/*

* Copyright (c) 2007-2008 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 R_CATALOGSCONNECTION_H

#define R_CATALOGSCONNECTION_H

#include <e32base.h>

#include <es_sock.h>

#include <es_enum.h>

#include "catalogsreferencebase.h"

#include "catalogshttpincludes.h"

class CCatalogsHttpConnectionCreator;

class MCatalogsConnectionStateObserver 

    {

public:

    virtual void ConnectionStateChangedL( TInt aStage ) = 0;

    virtual void ConnectionStateError( TInt aError ) = 0;

protected:

    virtual ~MCatalogsConnectionStateObserver() 

        {

        }

    };

/**

 * Monitors the state of a connection

 */

class CCatalogsConnectionMonitor : public CActive

    {

public:

    static CCatalogsConnectionMonitor* NewL( 

        MCatalogsConnectionStateObserver& aObserver );

    virtual ~CCatalogsConnectionMonitor();

    void StartL( const TConnectionInfoBuf& aInfo );

protected: // From CActive

    void RunL();

    void DoCancel();

    TInt RunError( TInt aError );

private:

    CCatalogsConnectionMonitor( MCatalogsConnectionStateObserver& aObserver );

    void ConstructL();

private:

    MCatalogsConnectionStateObserver& iObserver;

    RSocketServ iSs;

    RConnection iConnection;    

    TNifProgressBuf iProgressBuf;     

    };

/**

 * Connection observer

 */

class MCatalogsConnectionObserver 

    {

public:

    virtual void ConnectionCreatedL( 

        const TCatalogsConnectionMethod& aMethod ) = 0;

    virtual void ConnectionError( TInt aError ) = 0;    

protected:

    virtual ~MCatalogsConnectionObserver()

        {

        }

    };

/**

 * Network connection

 */

class CCatalogsConnection : public CCatalogsReferenceBase<CActive>

    {

public:

    static CCatalogsConnection* NewL(         

        CCatalogsHttpConnectionCreator& aConnectionCreator,

        CCatalogsHttpConnectionManager& aConnectionManager,

        MCatalogsConnectionObserver& aObserver );

    void ConnectL( 

        const TCatalogsConnectionMethod& aMethod );        

    RConnection& Connection();   

    RSocketServ& SocketServer();

    const TCatalogsConnectionMethod& ConnectionMethod() const; 

    TBool IsConnectedL();

protected: // CActive

    void RunL();

    void DoCancel();

    TInt RunError( TInt aError );

protected:

    CCatalogsConnection( 

        CCatalogsHttpConnectionCreator& aConnectionCreator,

        CCatalogsHttpConnectionManager& aConnectionManager,

        MCatalogsConnectionObserver& aObserver );

    void ConstructL();

    virtual ~CCatalogsConnection();

private:

    MCatalogsConnectionObserver& iObserver;

    CCatalogsHttpConnectionCreator& iConnCreator;

    CCatalogsHttpConnectionManager& iConnManager;

    RSocketServ iSs;

    RConnection iConnection;

    TCatalogsConnectionMethod iConnectionMethod;        

    };

#endif // R_CATALOGSCONNECTION_H