1 /*

     2 * Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:

    15 *

    16 */

    17 

    18 #ifndef __ACTIVEREADER_H__

    19 #define __ACTIVEREADER_H__

    20 

    21 #include <e32base.h>

    22 #include <d32usbc.h>

    23 

    24 class RDevUsbcClient;

    25 class MReadObserver;

    26 

    27 NONSHARABLE_CLASS(CActiveReader) : public CActive

    28 /**

    29  * Active object to post read requests on the LDD.

    30  */

    31 	{

    32 public: 									  

    33 	static CActiveReader* NewL(MReadObserver& aParent, RDevUsbcClient& aLdd, TEndpointNumber aEndpoint);

    34 	~CActiveReader();

    35 

    36 public:

    37 	void Read(TDes8& aDes, TInt aLen);

    38 

    39 private:

    40 	CActiveReader(MReadObserver& aParent, RDevUsbcClient& aLdd, TEndpointNumber aEndpoint);

    41 

    42 private: // from CActive

    43 	virtual void DoCancel();

    44 	virtual void RunL();

    45 

    46 private: // unowned

    47 	MReadObserver& iParent;

    48 	RDevUsbcClient& iLdd;

    49 

    50 private: // owned

    51 	TEndpointNumber iEndpoint;

    52 	};

    53 

    54 #endif // __ACTIVEREADER_H__