commonappservices/alarmserver/Server/Include/assrvsystemstate.h
changeset 0 2e3d3ce01487
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/commonappservices/alarmserver/Server/Include/assrvsystemstate.h	Tue Feb 02 10:12:00 2010 +0200
@@ -0,0 +1,58 @@
+// 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:
+//
+
+#ifndef __ASSRVSYSTEMSTATE_H__
+#define __ASSRVSYSTEMSTATE_H__
+
+#include <ssm/ssmstateawaresession.h>
+#include <e32property.h>
+
+#include "assrvsystemstateobserver.h"
+
+class CASSrvAlarmQueue;
+
+/** A class to listen to changes in system state, such as shutdown events.
+Observers can request notification of these events so that they can handle them.
+*/
+class CASSrvSystemState : public CActive
+	{
+public:
+	static CASSrvSystemState* NewL();
+	~CASSrvSystemState();
+	
+	void RequestNotificationL(MASSrvSystemStateObserver& aObserver);
+	void RequestNotificationCancel(MASSrvSystemStateObserver& aObserver);
+		
+private:
+	CASSrvSystemState();
+	void ConstructL();
+	
+	TBool GetState(MASSrvSystemStateObserver::TState& aState);
+	void AcknowledgeAndRequestStateNotification();
+	
+private: // from CActive
+	void RunL();
+	void DoCancel();
+	
+private:
+	RSsmStateAwareSession iStateAwareSession;
+	
+	RPointerArray<MASSrvSystemStateObserver> iObservers;
+	RProperty iWorkAroundProperty;
+	RProperty iAcknowledgement;
+	TBool iWorkAround;
+	};
+
+#endif