harvester/server/src/harvesteroomao.cpp
changeset 0 c53acadfccc6
child 1 acef663c1218
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/harvester/server/src/harvesteroomao.cpp	Mon Jan 18 20:34:07 2010 +0200
@@ -0,0 +1,109 @@
+/*
+* Copyright (c) 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:  Low memory observer for havester server
+*
+*/
+
+
+#include "harvesteroomao.h"
+#include "harvestercommon.h"
+
+// ---------------------------------------------------------------------------
+// NewL
+// ---------------------------------------------------------------------------
+//
+CHarvesterOomAO* CHarvesterOomAO::NewL( MHarvesterOomObserver& aObserver )
+	{
+	CHarvesterOomAO* self = new (ELeave) CHarvesterOomAO( aObserver );
+	CleanupStack::PushL(self);
+	self->ConstructL();
+	CleanupStack::Pop(self);
+	return self;
+	}
+
+// ---------------------------------------------------------------------------
+// CHarvesterOomAO
+// ---------------------------------------------------------------------------
+//
+CHarvesterOomAO::CHarvesterOomAO( MHarvesterOomObserver& aObserver ) : 
+		CActive( CActive::EPriorityUserInput )
+	{
+	iObserver = &aObserver;
+	}
+
+
+// ---------------------------------------------------------------------------
+// ~CHarvesterOomAO
+// ---------------------------------------------------------------------------
+//
+CHarvesterOomAO::~CHarvesterOomAO()
+	{
+	iOomMsgQueue.Close();
+	}
+
+// ---------------------------------------------------------------------------
+// ConstructL
+// ---------------------------------------------------------------------------
+//
+void CHarvesterOomAO::ConstructL()
+	{
+	CActiveScheduler::Add( this);
+	
+	iOomMsgQueue.OpenGlobal( KHarvesterOomQueue );
+	iOomMsgQueue.NotifyDataAvailable( iStatus );
+	SetActive();
+	}
+
+// ---------------------------------------------------------------------------
+// RunL
+// ---------------------------------------------------------------------------
+//
+void CHarvesterOomAO::RunL()
+	{
+	User::LeaveIfError( iStatus.Int() );
+	
+	TInt oomStatus(0);
+	TInt err = iOomMsgQueue.Receive( oomStatus );
+	
+	if( oomStatus == TMdsOomFreeRam )
+		{
+		iObserver->MemoryLow();
+		}
+	else
+		{
+		iObserver->MemoryGood();
+		}
+	
+	iOomMsgQueue.NotifyDataAvailable( iStatus );
+	SetActive();
+	}
+
+// ---------------------------------------------------------------------------
+// DoCancel
+// ---------------------------------------------------------------------------
+//
+void CHarvesterOomAO::DoCancel()
+	{
+	iOomMsgQueue.CancelDataAvailable();
+	}
+
+// ---------------------------------------------------------------------------
+// RunError
+// ---------------------------------------------------------------------------
+//
+TInt CHarvesterOomAO::RunError( TInt /*aError*/ )
+	{
+	return KErrNone;
+	}
+