/*

* Copyright (c) 2006-2007 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "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 CIPTVSERVICEMSGHANDLER_H

#define CIPTVSERVICEMSGHANDLER_H

//  INCLUDES

#include <e32base.h>

#include "CIptvServiceManager.h"

#include "MIptvServiceManagerObserver.h"

// CONSTANTS

// MACROS

// DATA TYPES

// FUNCTION PROTOTYPES

// FORWARD DECLARATIONS

class CIptvServer;

class CIptvEventGenerator;

class CIptvSmEvent;

// CLASS DECLARATION

/**

* Handles IPC messages from the client process. Uses CIptvServiceManager.

* This class is instantiated when client uses service management methods from

* CIptvServiceManagementClient class. Owned by CIptvServerSession.

*/

class CIptvServiceMsgHandler : public CBase, public MIptvServiceManagerObserver

    {

    public:

        /**

        * Two-phased constructor.

        *

        * @param aServer IPTV Server, needed for accessing EPG and Service Manager.

        */

        static CIptvServiceMsgHandler* NewL(CIptvServer& aServer);

        /**

        * Destructor.

        */

        virtual ~CIptvServiceMsgHandler();

        /**

        * Handles messages from the client.

        *

        * @param aMessage A message to handle.

        */

        void HandleServiceManagerMsgL(const RMessage2& aMessage);

    private:

        /**

         * Handles EIptvEngineServerGetServicesSizeReq message.

         *

         * @param aMessage IPC message where the response is written.

         */

        void HandleGetServicesSizeReqL(const RMessage2& aMessage);

        /**

         * Called by HandleGetServicesSizeReqL().

         *

         * @param aMessage  IPC message where the response is written.

         */

        void GetServicesSizeReqL(const RMessage2& aMessage);

        /**

         * Handles EIptvEngineServerGetServicesDataReq message.

         *

         * @param aMessage IPC message where the response is written.

         */

        void HandleGetServicesDataReqL(const RMessage2& aMessage);

        /**

         * Called by HandleGetServicesDataReqL().

         *

         * @param aMessage IPC message where the response is written.

         */

        void GetServicesDataReqL(const RMessage2& aMessage);

        /**

         * Constructs and sends size response to GetServicesUsingIdSizeReq message.

         *

         * @param aMessage IPC message where the response is written.

         */

        void HandleGetServicesUsingIdSizeReqL(const RMessage2& aMessage);

        /**

         * Constructs and sends size response to GetServicesUsingIdDataReq message.

         *

         * @param aMessage IPC message where the response is written.

         */

        void HandleGetServicesUsingIdDataReqL(const RMessage2& aMessage);

        /**

         * Handles EIptvEngineSmAddServiceReq message.

         *

         * @param aMessage Message from client-server framework

         */         

        void HandleAddServiceReqL(const RMessage2& aMessage);

        /**

         * Handles EIptvEngineSmDeleteServiceReq message.

         *

         * @param aMessage Message from client-server framework

         */         

        void HandleDeleteServiceReqL(const RMessage2& aMessage);

        /**

         * Handles EIptvEngineSmUpdateServiceReq message.

         *

         * @param aMessage Message from client-server framework

         */         

        void HandleUpdateServiceReqL(const RMessage2& aMessage);

        /**

         * Handles EIptvEngineSmGetServiceSizeUsingProviderId message.

         *

         * @param aMessage Message from client-server framework

         */         

        void HandleGetServiceSizeUsingProviderIdL(const RMessage2& aMessage);

        /**

         * Handles EIptvEngineSmGetServiceDataUsingProviderId message.

         *

         * @param aMessage Message from client-server framework

         */         

        void HandleGetServiceDataUsingProviderIdL(const RMessage2& aMessage);

        /**

         * Creates HBufC* and copies data from client address space

         * into it.

         *

         * @param aMessage Message from client-server framework

         * @return         Pointer to data.

         */

        HBufC8* GetDataFromClientAddrSpaceLC(const RMessage2& aMessage);

        /**

         * Used for EIptvEngineSmGetServicesReq and EIptvEngineSmGetServicesUsingIdReq.

         * Builds size (= iServicesSizeRespIpcMsg) and data (= iServicesDataRespIpcMsg)

         * messages from iServicesArray.

         * iServicesSizeRespIpcMsg message contains iServicesDataRespIpcMsg length. 

         */

        void BuildServiceIpcMsgRespsL();

        /**

         * Updates last update time to Service db LastUpdate column.

         * @param aServiceId The service id.

         * @param aLastUpdate The last update time.

         */

        void SetEpgLastUpdateTimeL( TUint32 aServiceId, TTime& aLastUpdate );

        /**

         * Completes the request with status information.

         *

         * @param aMessage

         * @param aError       Error code from Service Manager

         * @param aGlobalError If operation leaved this contains the reason code.

         */

        void SendStatusRespL( const RMessage2& aMessage,

                              MIptvServiceManagementClientObserver::TRespStatus aError,

                              TInt aGlobalError );

        /**

         * Deletes service group with all belog feeeds.

         *

         * @param aGroupId a group id of service(s) to be deleted

         * @return         error code.

         */         

        TInt DeleteGroupL( const TUint32 aGroupId );

        /**

         * Handles EIptvEngineSmDeleteServiceReq message.

         *

         * @param aServiceId a service id of service to be deleted

         * @param aServiceType a type of service to be deleted

         * @return         error code.

         */         

        TInt DeleteServiceL( const TUint32 aServiceId,

                             const CIptvService::TServiceType aServiceType );

    public:

        /**

        * From MIptvServiceManagerObserver

        */

        void HandleSmEvent(CIptvSmEvent& aEvent);

        /**

        * Actual implementation for HandleSmEvent.

        */

        void HandleSmEventL(CIptvSmEvent& aEvent);

    private:

        /**

         * C++ default constructor.

         */

        CIptvServiceMsgHandler(CIptvServer& aServer);

        /**

         * Symbian 2nd phase constructor.

         */

        void ConstructL();

    private:    // Data

        /**

        * Owner of this object

        */

        CIptvServer&       iServer;	

        /**

        * Used to store services data resp IPC msg

        */

        HBufC8*            iServicesDataRespIpcMsg;

        /**

        * Used to store services size resp IPC msg

        */

        HBufC8*            iServicesSizeRespIpcMsg;

        /**

        * Stores CIptvServices object

        */

        CIptvServices*     iServices;

        /**

        * Generates events, CIptvEventListener catches them in client process.

        */

    	  CIptvEventGenerator* iEventGenerator;

    };

#endif      // CIPTVSERVICEMSGHANDLER_H   

// End of File