/*

* Copyright (c) 2002-2007 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:  DisplayText command handler

*

*/

#ifndef CDISPLAYTEXTHANDLER_H

#define CDISPLAYTEXTHANDLER_H

//  INCLUDES

#include <etelsat.h>

#include "CSatCommandHandler.h"

#include "SatSTypes.h"

// FORWARD DECLARATION

class MSatUtils;

class CClearScreenHandler;

// CLASS DECLARATION

/**

*  Command handler for DisplayText command.

*

*  @lib DisplayTextCmd.lib

*  @since Series 60 3.0

*/

class CDisplayTextHandler : public CSatCommandHandler

    {

    public:  // Constructors and destructor

        /**

        * Two-phased constructor.

        * @param aUtils SAT Utils interface

        */

        static CDisplayTextHandler* NewL( MSatUtils* aUtils );

        /**

        * Destructor.

        */

        virtual ~CDisplayTextHandler();

    public: // Functions from base classes

        /**

        * From MSatCommand.

        */

        void ClientResponse();

    protected:  // Functions from base classes

        /**

        * From CActive Cancels the usat request.

        */

        void DoCancel();

        /**

        * From CSatCommandHandler Requests the command notification.

        * @param aStatus Request status

        */

        void IssueUSATRequest( TRequestStatus& aStatus );

        /**

        * From CSatCommandHandler Precheck before executing the command.

        */

        TBool CommandAllowed();

        /**

        * From CSatCommandHandler Need for ui session.

        */

        TBool NeedUiSession();

        /**

        * From CSatCommandHandler Called when USAT API notifies that command.

        */

        void HandleCommand();

        /**

        * From CSatCommandHandler. Indicates the failure of launching ui client

        */

        void UiLaunchFailed();

    private:

        /**

        * C++ default constructor.

        */

        CDisplayTextHandler();

        /**

        * By default Symbian 2nd phase constructor is private.

        */

        void ConstructL();

        /**

        * Return given duration in seconds.

        * @param aDuration Duration data

        * @return Return given duration in seconds.

        */

        TTimeIntervalSeconds DurationInSeconds(

            const RSat::TDuration& aDuration ) const;

    private:    // Data

        // DisplayText command data.

        RSat::TDisplayTextV2 iDisplayTextData;

        // DisplayText command package.

        RSat::TDisplayTextV2Pckg iDisplayTextPckg;

        // Response from client.

        RSat::TDisplayTextRspV1 iDisplayTextRsp;

        // Response package.

        RSat::TDisplayTextRspV1Pckg iDisplayTextRspPckg;

        // DisplayText IPC data.

        TSatDisplayTextV1 iDisplayTextSendData;

        // DisplayText IPC package.

        TSatDisplayTextV1Pckg iDisplayTextSendPckg;

        // ClearScreen handler.

        CClearScreenHandler* iClearScreenHandler;

        // Own information of Immediate response

        TBool iImmediateResponse;

        // Next immediate pending

        TBool iImmediatePending;

    };

#endif      // CDISPLAYTEXTHANDLER_H

// End of File