mmserv/radioutility/radioserver/Session/Src/RadioEventHandler.h
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     1 /*
       
     2 * Copyright (c) 2002-2004 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:  Active object for each spontaneous event from Radio Server.
       
    15 *				 Notifies MRadioEventObserver upon receiving a new event.
       
    16 *
       
    17 */
       
    18 
       
    19 
       
    20 
       
    21 #ifndef RADIOEVENTHANDLER_H
       
    22 #define RADIOEVENTHANDLER_H
       
    23 
       
    24 //  INCLUDES
       
    25 #include <e32base.h>
       
    26 #include <e32property.h>
       
    27 
       
    28 #include "RadioSession.h"
       
    29 
       
    30 // CLASS DECLARATION
       
    31 
       
    32 /**
       
    33 *  Implements active object for spontaneous event.
       
    34 *
       
    35 *  @lib RadioSession.lib
       
    36 *  @since Series 60 3.0
       
    37 */
       
    38 class CRadioEventHandler : public CActive
       
    39     {
       
    40 public:  // Constructors and destructor
       
    41 
       
    42 	/**
       
    43 	 * Two-phased constructor.
       
    44 	 */
       
    45 	static CRadioEventHandler* NewLC( MRadioObserver& aObserver, RRadioSession& aSession, TUint aKey );
       
    46 
       
    47 	/**
       
    48 	 * Destructor.
       
    49 	 */
       
    50 	virtual ~CRadioEventHandler();
       
    51 
       
    52 private:  // Functions from base classes
       
    53 
       
    54 	/**
       
    55 	 * From CActive
       
    56 	 * Cancel outstanding request
       
    57 	 */
       
    58 	void DoCancel();
       
    59 
       
    60 	/**
       
    61 	 * From CActive
       
    62 	 * Implementation of CActive::RunL. Called when server request has completed.
       
    63 	 **/
       
    64 	void RunL();
       
    65 
       
    66 private:
       
    67 
       
    68 	/**
       
    69 	 * C++ default constructor.
       
    70 	 */
       
    71 	CRadioEventHandler( MRadioObserver& aObserver,RRadioSession& aSession, TUint aKey );
       
    72 
       
    73 	/**
       
    74 	 * By default Symbian 2nd phase constructor is private.
       
    75 	 */
       
    76 	void ConstructL();
       
    77 
       
    78 private:    // Data
       
    79 
       
    80 	// Radio session
       
    81 	RRadioSession& iSession;
       
    82 	// Property
       
    83 	RProperty iProperty;
       
    84 	// Property key
       
    85 	TUint iKey;
       
    86 
       
    87 	MRadioObserver& iObserver;
       
    88     };
       
    89 
       
    90 #endif      // RADIOEVENTHANDLER_H
       
    91 
       
    92 // End of File