mmresourcemgmt/mmresctrl/src/mmrcclient/mmrcclientmsgqueuehandler.cpp
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     1 // Copyright (c) 2006-2009 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 //
       
    15 
       
    16 #include "mmrcclientmsgqueuehandler.h"
       
    17 #include "mmrcmsgqueuehandlerobserver.h"
       
    18 
       
    19 /**
       
    20 */
       
    21 CMMRCClientMsgQueueHandler* CMMRCClientMsgQueueHandler::NewL(
       
    22    RMsgQueue<TMMRCQueueItem>& aMsgQueue,
       
    23    MMMRCMsgQueueHandlerObserver& aObserver)
       
    24 	{
       
    25 	CMMRCClientMsgQueueHandler* self = new(ELeave) CMMRCClientMsgQueueHandler(aMsgQueue,aObserver);
       
    26 	CleanupStack::PushL(self);
       
    27 	self->ConstructL();
       
    28 	CleanupStack::Pop();
       
    29 	return self;
       
    30 	}
       
    31 
       
    32 /**
       
    33 */
       
    34 CMMRCClientMsgQueueHandler::CMMRCClientMsgQueueHandler(
       
    35 			RMsgQueue<TMMRCQueueItem>& aMsgQueue,
       
    36 			MMMRCMsgQueueHandlerObserver& aObserver) 
       
    37 	:CActive(EPriorityStandard), 
       
    38 	iMsgQueue(aMsgQueue),
       
    39 	iObserver(aObserver)
       
    40 	{
       
    41 	CActiveScheduler::Add(this);
       
    42 	}
       
    43 
       
    44 /**
       
    45 */
       
    46 void CMMRCClientMsgQueueHandler::ConstructL()
       
    47 	{
       
    48 	ReceiveEvents();
       
    49 	}
       
    50 
       
    51 /**
       
    52 */
       
    53 CMMRCClientMsgQueueHandler::~CMMRCClientMsgQueueHandler()
       
    54 	{
       
    55 	Cancel();
       
    56 	iMsgQueue.Close();
       
    57 	}
       
    58 
       
    59 /**
       
    60 */
       
    61 void CMMRCClientMsgQueueHandler::ReceiveEvents()
       
    62 	{
       
    63 	if(!IsActive())
       
    64 		{
       
    65 		iMsgQueue.NotifyDataAvailable(iStatus);
       
    66 		SetActive();	   
       
    67 		}
       
    68 	}
       
    69 
       
    70 /**
       
    71 */
       
    72 void CMMRCClientMsgQueueHandler::RunL()
       
    73 	{
       
    74 	TMMRCQueueItem message;
       
    75 	TInt error = iMsgQueue.Receive(message);	
       
    76 	iObserver.HandleMessage(message);
       
    77 	ReceiveEvents();
       
    78 	}
       
    79 
       
    80 /**
       
    81 */
       
    82 TInt CMMRCClientMsgQueueHandler::RunError(TInt /*aError*/)
       
    83 	{
       
    84 	return KErrNone;
       
    85 	}
       
    86 	
       
    87 /**
       
    88 */
       
    89 void CMMRCClientMsgQueueHandler::DoCancel()
       
    90 	{
       
    91 	iMsgQueue.CancelDataAvailable();
       
    92 	}
       
    93 
       
    94 //EOF