/*

* Copyright (c) 2005-2009 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:  Declaration of class CHidRemconBearer.

 *

*/

#ifndef C_HIDREMCONBEARER_H

#define C_HIDREMCONBEARER_H

#include <e32base.h>

#include <c32comm.h>

#include <e32property.h>

#include <remcon/remconbearerplugin.h>

#include <remcon/remconbearerinterface.h>

#include <remcon/messagetype.h>

#include <AknCapServerClient.h>

#include "hidremconbearerobserver.h"

//CONSTANTS

const TInt KDataBufferSize = 10;

/**

 *  CHidRemconBearer

 *  Implementation of the Rem Con Bearer Plugin

 * 

 */

class CHidRemconBearer : public CRemConBearerPlugin,

        public MRemConBearerInterface,

        public MCallBackReceiver

    {

public:

    /**

     * Two-phased constructor.

     * @param  aParams required for the CRemConBearerPlugin

     * @return hidremconbearer plugin

     */

    static CHidRemconBearer* NewL( TBearerParams& aParams );

    /**

     * Destructor.

     */

    virtual ~CHidRemconBearer();

private:

    /**

     * Constructor

     * @param  aParams bearer parameters

     */

    CHidRemconBearer( TBearerParams& aParams );

    /**

     * Two - phase construction.

     */

    void ConstructL();

private:

    // from CRemConBearerPlugin

    /** 

     * From class CRemConBearerPlugin

     * Called by RemCon server to get a pointer to an object which implements

     * the bearer API with UID aUid. This is a mechanism for allowing future 

     * change to the bearer API without breaking BC in existing (non-updated) 

     * bearer plugins.

     *         

     * @param aUid Inteface uid

     * @return  Return pointer to interface

     */

    TAny* GetInterface( TUid aUid );

private:

    // from MRemConBearerInterface

    /** 

     * From class MRemConBearerInterface

     * Called by RemCon to retrieve a response on a connection.

     *         

     * @param  aInterfaceUid Inteface uid

     * @param  aTransactionId Transaction id

     * @param  aOperationId operation ID

     * @param  aData API-specific message data.

     * @param  aAddr The connection.

     * @return Error code

     */

    TInt GetResponse( TUid& aInterfaceUid, TUint& aTransactionId,

            TUint& aOperationId, RBuf8& aData, TRemConAddress& aAddr );

    /** 

     * From class MRemConBearerInterface

     * Send Remcon command

     *         

     * @param  aInterfaceUid Inteface uid

     * @param  aCommand command id

     * @param  aTransactionId Transaction id         

     * @param  aData API-specific message data.

     * @param  aAddr The connection.

     * @return Error code

     */

    TInt SendCommand( TUid aInterfaceUid, TUint aCommand,

            TUint aTransactionId, RBuf8& aData, const TRemConAddress& aAddr );

    /** 

     * From class MRemConBearerInterface

     * Get Remcon command

     *

     * @param  aInterfaceUid Inteface uid

     * @param  aTransactionId Transaction id                  

     * @param  aCommand command id

     * @param  aData API-specific message data.

     * @param  aAddr The connection.

     * @return Error code

     */

    TInt GetCommand( TUid& aInterfaceUid, TUint& aTransactionId,

            TUint& aCommand, RBuf8& aData, TRemConAddress& aAddr );

    /** 

     * From class MRemConBearerInterface

     * Send Response

     *         

     * @param  aInterfaceUid Inteface uid

     * @param  aOperationID operation id

     * @param  aTransactionId Transaction id                  

     * @param  aData API-specific message data.

     * @param  aAddr The connection.

     * @return Error code

     */

    TInt SendResponse( TUid aInterfaceUid, TUint aOperationId,

            TUint aTransactionId, RBuf8& aData, const TRemConAddress& aAddr );

    /** 

     * From class MRemConBearerInterface

     * Connect request

     *         

     * @param  aAddr The connection.         

     */

    void ConnectRequest( const TRemConAddress& aAddr );

    /** 

     * From class MRemConBearerInterface

     * Disconnect request

     *         

     * @param  aAddr The connection.         

     */

    void DisconnectRequest( const TRemConAddress& aAddr );

    /** 

     * From class MRemConBearerInterface

     * Clientstatus

     *

     * @param  aControllerPresent Controllerpresent status

     * @param  aTargetPresent Target present status         

     */

    void ClientStatus( TBool aControllerPresent, TBool aTargetPresent );

    /** 

     * From class MRemConBearerInterface

     * Return security policy

     *

     * @return Security policy

     */

    TSecurityPolicy SecurityPolicy() const;

private:

    // from MCallBackReceiver    

    /** 

     * From class MCallBackReceiver

     * Return security policy

     *

     * @param aScanCode a scancode

     * @param aKeyType a Keytype         

     */

    void ReceivedKeyEvent( TInt aScanCode, TInt aKeyType );

private:

    /** 

     * From class MCallBackReceiver

     * Set SVK Operation ID and Data

     *

     * @param aEnumValue OperationID and data field

     */

    void SetSVKOperationIdAndData( TInt aEnumValue );

    /** 

     * From class MCallBackReceiver

     * Set Mute Operation ID and Data

     *

     * @param aEnumValue OperationID and data field         

     */

    void SetMuteKeyOperationIdAndData( TInt aEnumValue );

    /** 

     * From class MCallBackReceiver

     * Set Media key Operation ID and Data

     *

     * @param aEnumValue OperationID and data field         

     */

    void SetMediaKeyOperationIdAndData( TInt aEnumValue );

    /** 

     * From class MCallBackReceiver

     * Set Media key Operation ID and Data

     *         

     * @param aEnumValue OperationID and data field         

     */

    void SetPhoneKeyOperationIdAndData( TInt aEnumValue );

    /**

     * RestartExpired observer

     *

     * @param aKeyType type of key         

     */

    void RestartKeyObeserver( TInt aKeyType );

    /**

     * Restart Expired observer

     *         

     * @param aEnumValue a value of key

     * @param aKeyType  A type of key         

     */

    void HandleKeyOperation( TInt aEnumValue, TInt aKeyType );

private:

    // Data

    /**

     * Interface uid of last correct-decoded message

     */

    TUid iInterfaceUid;

    /**

     * Operation uid of last correct-decoded message

     */

    TUint iOperationId;

    /**

     * Data of last correct-decoded message

     */

    TBuf8<KDataBufferSize> iData;

    /**

     * Transactionid uid of last correct-decoded message

     */

    TUint iTransactionId;

    /**

     * Media key observer

     * Own.

     */

    CHidRemconBearerObserver* iMediaKeyObserver;

    /**

     * Accessory volume key observer

     * Own.

     */

    CHidRemconBearerObserver* iAccessoryVolKeyObserver;

    /**

     * Mute key observer

     * Own.

     */

    CHidRemconBearerObserver* iMuteKeyObserver;

    /**

     * Phone key observer

     * Own.

     */

    CHidRemconBearerObserver* iHookKeyObserver;

    };

#endif // HIDREMCONBEARERIMPLEMENTATION_H