1 // Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

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

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 // FlowControlChange.cpp

    15 // Class that listens for requests to change flow control in packet loopback

    16 // 

    17 //

    18 

    19 /**

    20  @file

    21 */

    22 

    23 #ifndef __FLOW_CONTROL_CHANGE__

    24 #define __FLOW_CONTROL_CHANGE__

    25 

    26 #include <e32base.h>

    27 #include <e32property.h>

    28 

    29 class MFlowControlChangeCallBack

    30 	{

    31 	public:

    32 	/** This method is called when flow control is started */

    33 	virtual void StartFlowControl() = 0;

    34 	/** This method is called when flow control is stopped */

    35 	virtual void StopFlowControl() = 0;

    36 	};

    37 	

    38 NONSHARABLE_CLASS(CFlowControlChange) : public CActive

    39 	{

    40 public:

    41 	static CFlowControlChange* NewL(TUint aUnit, MFlowControlChangeCallBack* aCallback);

    42 	~CFlowControlChange();

    43 

    44 	TBool FlowControlIsOn() const;

    45 

    46 private:

    47 	CFlowControlChange(TUint aUnit, MFlowControlChangeCallBack* aCallback);

    48 	

    49 	void RunL();

    50 	void DoCancel();

    51 

    52     /** Class with implementation of MFlowControlChangeCallBack::StartFlowControl that is called when the flow control is changed */

    53 	MFlowControlChangeCallBack *iCallback;

    54 	/** The property to listen on for changes to flow control */

    55 	RProperty iProperty;

    56 	/** The port to listen on for changes to flow control */

    57 	TUint iUnit;

    58 	/** True if flow control is on */

    59 	TBool iFlowControlIsOn;

    60 	};

    61 

    62 #endif

    63