/*

* 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:  Play Tone command handler

*

*/

#ifndef CPLAYTONEHANDLER_H

#define CPLAYTONEHANDLER_H

#include <etelsat.h>

#include "CSatCommandHandler.h"

class MSatUtils;

/**

 *  Command handler for SelectItem command.

 *

 *  @lib PlayToneCmd.lib

 *  @since S60 v3.0

 */

class CPlayToneHandler : public CSatCommandHandler

    {

public:

    static CPlayToneHandler* NewL( MSatUtils* aUtils );

    virtual ~CPlayToneHandler();

// from base class MSatCommand

    /**

     * From MSatCommand.

     * Response from the client.

     *

     */

    void ClientResponse();

protected:

// from base class CActive

    /**

     * 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.

     *

     * @return TBool indicating command is currently allowed.

     */

    TBool CommandAllowed();

    /**

     * From CSatCommandHandler

     * Need for ui session.

     *

     * @return TBool indicating need of 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:

    CPlayToneHandler();

    void ConstructL();

private: // data

    /**

     * The data structure for the command data.

     */

    RSat::TPlayToneV2 iPlayToneData;

    /**

     * The data package for IPC.

     */

    RSat::TPlayToneV2Pckg iPlayTonePckg;

    /**

     * the response.

     */

    RSat::TPlayToneRspV1 iPlayToneRsp;

    /**

     * the response package.

     */

    RSat::TPlayToneRspV1Pckg iPlayToneRspPckg;

    /**

     * Flag to signal that command has icon data.

     *To be removed when icons are allowed in this command.

     */

    TBool iIconCommand;

    };

#endif      // CPLAYTONEHANDLER_H