harvester/server/src/pauseobserverao.cpp
changeset 0 c53acadfccc6
child 8 50de4d668bb6
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/harvester/server/src/pauseobserverao.cpp	Mon Jan 18 20:34:07 2010 +0200
@@ -0,0 +1,118 @@
+/*
+* Copyright (c) 2008-2009 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:  Harvester server's P&S pause observer active object
+*
+*/
+
+#include "pauseobserverao.h"
+
+#include <harvesterpauseps.h>
+#include "harvesterserver.h"
+
+#include "harvesterlog.h"
+
+CPauseObserverAO* CPauseObserverAO::NewL( CHarvesterServer& aHarvesterServer )
+	{
+	WRITELOG("CPauseObserverAO::NewL()");
+	CPauseObserverAO* self = new (ELeave) CPauseObserverAO( aHarvesterServer );
+	CleanupStack::PushL( self );
+	self->ConstructL();
+	CleanupStack::Pop( self );
+	return self;
+	}
+
+CPauseObserverAO::~CPauseObserverAO()
+	{
+	Cancel();
+	iPauseProperty.Close();
+	}
+
+
+CPauseObserverAO::CPauseObserverAO( CHarvesterServer& aHarvesterServer ) :
+	CActive( CActive::EPriorityUserInput ), 
+	iHarvesterServer( aHarvesterServer )
+	{
+	CActiveScheduler::Add( this );
+	}
+
+void CPauseObserverAO::ConstructL()
+	{
+	WRITELOG("CPauseObserverAO::ConstructL()");
+
+	TUid cat = KPsHarvesterPauseCategory;
+	TInt key = KPsHarvesterPauseKey;
+	TInt error = iPauseProperty.Define( cat, 
+			key, RProperty::EInt );
+
+	WRITELOG1("CPauseObserverAO::ConstructL() Define error: %d", error);
+
+	if( KErrAlreadyExists != error )
+		{
+		User::LeaveIfError( error );
+		}
+
+	error = iPauseProperty.Attach( cat, 
+			key, EOwnerThread );
+
+	WRITELOG1("CPauseObserverAO::ConstructL() Attach error: %d", error);	
+
+	User::LeaveIfError( error );
+
+	iPauseProperty.Subscribe( iStatus );
+    SetActive();
+    WRITELOG("CPauseObserverAO::ConstructL() - ends");
+	}
+
+void CPauseObserverAO::RunL()
+	{
+	WRITELOG("CPauseObserverAO::RunL()");
+
+	TInt status = iStatus.Int();
+
+	if( status != KErrNone )
+        {
+        WRITELOG1("CPauseObserverAO::RunL() - error: %d", status);
+        }
+
+    // resubscribe before processing new value to prevent missing updates
+	iPauseProperty.Subscribe( iStatus );
+    SetActive();
+
+	TInt pauseState = EPsHarvesterPauseResume;
+
+	TUid cat = KPsHarvesterPauseCategory;
+	TInt key = KPsHarvesterPauseKey;	
+	iPauseProperty.Get( cat, key, pauseState );
+
+	if ( EPsHarvesterPausePause == pauseState )
+		{
+		WRITELOG("CPauseObserverAO::RunL() - pause");
+		iHarvesterServer.Pause();
+		}
+	else
+		{
+		WRITELOG("CPauseObserverAO::RunL() - resume");
+		iHarvesterServer.Resume();
+		}	
+	}
+
+void CPauseObserverAO::DoCancel()
+	{
+	iPauseProperty.Cancel();
+	}
+
+TInt CPauseObserverAO::RunError( TInt /*aError*/ )
+	{
+	return KErrNone;
+	}