/*

* Copyright (c) 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:  Header file for the CUpnpFileTransferBaseTask class.

*

*/

#ifndef UPNP_FILETRANSFER_BASE_TASK_H

#define UPNP_FILETRANSFER_BASE_TASK_H

// INCLUDES

#include <e32base.h>

#include "upnpavbrowsingsessionobserver.h"

#include "upnptask.h"

// FORWARD DECLARATIONS

class MUPnPAVBrowsingSession;

class MUPnPAVSessionBase;

class CUPnPCommonUI;

class CUpnpTaskResourceAllocator;

/**

* This class defines the CUpnpFileTransferBaseTask 

* used in UpnpCommand component.

*

* @since S60 3.2

*/

class CUpnpFileTransferBaseTask : public CUpnpTask, 

                            public MUPnPAVBrowsingSessionObserver

    {

    public: // Methods from CUpnpFileTransferBaseTask

        /**

         * Allocates the Upnp Fw resources.

         *

         * @since S60 3.2

         */

        void AllocateFileTransferResourcesL( TInt aMode );

        /**

         * Executes the task.

         *

         * @since S60 3.2

         */

        void ExecuteFileTransferL( TBool aRemoveFiles, 

                                TInt& aTransferredFiles);

        /**

         * return CUpnpTaskResourceAllocator

         *

         * @since S60 3.2

         */

        CUpnpTaskResourceAllocator* ResourceAllocator();

    public: // Methods from CUpnpTask, not used

        void AllocateResourcesL() {}

        void ExecuteL() {}

    public: // Public destructor

        /**

         * Destructor.

         */

        virtual ~CUpnpFileTransferBaseTask();

        /**

         * Perform the first phase of two phase construction.

         *

         * @since S60 3.2

         * @return a new instance of CUpnpFileTransferBaseTask, 

         * casted to type CUpnpTask

         */

        CUpnpFileTransferBaseTask();

    protected:

        /**

         * Returns connection state

         */

        TBool IsWlanActive();

    private: // Call back methods of MUPnPAVBrowsingSessionObserver

        /* Not used */

        void BrowseResponse(

            const TDesC8& /*aBrowseResponse*/,

            TInt /*aError*/,

            TInt /*aMatches*/,

            TInt /*aTotalCount*/,

            const TDesC8& /*aUpdateId*/

            ) {}

        void SearchResponse( 

            const TDesC8& /*aSearchResponse*/,

            TInt /*aError*/,

            TInt /*aMatches*/,

            TInt /*aTotalCount*/,

            const TDesC8& /*aUpdateId*/

            ) {}

        void SearchCapabilitiesResponse( 

            TInt /*aError*/,

            const TDesC8& /*aSearchCapabilities*/ 

            ) {}

        void CreateContainerResponse( TInt /*aError*/, 

            const TDesC8& /*aObjectId*/ ) {}

        void DeleteObjectResponse( TInt /*aError*/ ) {}  

        void ReserveLocalMSServicesCompleted( TInt /*aError*/ ){}

        /**

         * Notifies that the Media Renderer we have a 

         * session which has disappeared.

         *

         * @since S60 3.2

         */

        void MediaServerDisappeared(

            TUPnPDeviceDisconnectedReason aReason ) ;

    private: // Data members

        /**

         * Connection state

         */       

        enum TConnectionState{

            EStateConnected = 0,

            EStateMSLost,

            EStateWLANLost

            };

        /**

         * Pointer to the UpnpAvController's browsing session instance. Owned.

         */

        MUPnPAVBrowsingSession*             iBrowsingSession;

        /**

         * Pointer to the UPnPCommonUI. Owned.

         */

        CUPnPCommonUI*                      iCommonUI;

        /**

         * The resource allocator. Owned.

         */

        CUpnpTaskResourceAllocator*         iResourceAllocator;

        /**

         *  Connection state

         */        

         TConnectionState                   iState;

    };

#endif // UPNP_FILETRANSFER_BASE_TASK_H

// End of File