/*

* Copyright (c) 2009 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:  Handles the commands "AT+CLAC?" and "AT+CLAC"

*

*/

#ifndef C_LCLISTALLCMD_H

#define C_LCLISTALLCMD_H

#include "lccustomplugin.h"

/**  Handler types for the two AT commands */

enum TCmdHandlerType

    {

    ECmdHandlerTypeUndefined,

    ECmdHandlerTypeQuery,  // For command "AT+CLAC=?"

    ECmdHandlerTypeList    // For command "AT+CLAC"

    };

/**

 *  Class for handling commands "AT+CLAC=?" and "AT+CLAC"

 *

 *  @since S60 v5.0

 */

NONSHARABLE_CLASS( CLcListAllCmd ) : public CLcCustomPluginBase

{

public:

    /**

     * Two-phased constructor.

     * @param aCallback Callback

     * @return Instance of self

     */

    static CLcListAllCmd* NewL( MLcCustomPlugin* aCallback );

    /**

    * Destructor.

    */

    virtual ~CLcListAllCmd();

private:

    CLcListAllCmd( MLcCustomPlugin* aCallback );

    void ConstructL();

    /**

     * Reports the support status of an AT command. This is a synchronous API.

     *

     * @param aCmd The AT command. Its format may vary depending on the

     *             specification. E.g. in BT HFP case, the command may contain

     *             a character carriage return (<cr>) in the end.

     * @return ETrue if the command is supported; EFalse otherwise.

     */

    TBool IsCommandSupported( const TDesC8& aCmd );

    /**

     * Handles an AT command. Cancelling of the pending request is done by

     * HandleCommandCancel(). The implementation in the extension plugin should

     * be asynchronous.

     *

     * The extension plugin which accepts this command is responsible to supply

     * the result codes and response and to format result codes properly, e.g.

     * in BT HFP case, the format should be <cr><lf><result code><cr><lf>

     *

     * After an extension plugin has handled or decided to reject the given AT

     * command, it must inform ATEXT by HandleCommandCompleted() with a proper

     * error code.

     *

     * @since S60 5.0

     * @param aCmd The AT command to be handled. Its format may vary depending

     *             on the specification. E.g. in BT HFP case, the command may

     *             contain a character carriage return (<cr>) in the end.

     * @param aReply When passed in, contains the built in answer filled by

     *               ATEXT if it is not empty; when command handling completes

     *               successfully, contains the result codes and responses to

     *               this command; Its ownership always belongs to ATEXT, plugin

     *               may reallocate its space when needed.

     * @param aReplyNeeded Reply needed if ETrue, no reply otherwise. If EFalse,

     *                     the aReply must not contain the reply, otherwise it

     *                     must contain verbose or numeric reply (ATV0/1) or an

     *                     empty string reply (with ATQ).

     * @return None

     */

    void HandleCommand( const TDesC8& aCmd, RBuf8& aReply, TBool aReplyNeeded );

    /**

     * Cancels a pending HandleCommand request.

     *

     * @since S60 5.0

     * @return None

     */

    void HandleCommandCancel();

    /**

     * Creates a linearized list of supported commands

     *

     * @since S60 5.0

     * @param aReply List of supported commands

     * @return ETrue if "ERROR" condition detected, EFalse otherwise

     */

    TBool CreateSupportedList( RBuf8& aReply );

private:  // data

    /**

     * Callback to call when accessing plugin information

     */

    MLcCustomPlugin* iCallback;

    /**

     * Handler type for the two AT commands

     */

    TCmdHandlerType iCmdHandlerType;

};

#endif  // C_LCLISTALLCMD_H