diff -r 666f914201fb -r 2fe1408b6811 epoc32/include/savenotf.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/epoc32/include/savenotf.h	Tue Mar 16 16:12:26 2010 +0000
@@ -0,0 +1,97 @@
+// Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of the License "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members
+// which accompanies this distribution, and is available
+// at the URL "http://www.symbianfoundation.org/legal/licencesv10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+//
+
+#if !defined(SAVENOTF_H)
+#define SAVENOTF_H
+
+#include <e32std.h>
+#include <e32base.h>
+
+/**
+This interface has to be implemented by all clients, which want to be notified about events
+like shutdown/low memory. When this happens the implementation of MSaveObserver::SaveL() will
+be called.
+@see CSaveNotifier
+@publishedPartner
+@released
+*/
+class MSaveObserver
+	{
+public:
+	enum TSaveType
+		{
+		ESaveNone,
+		ESaveData,
+		ESaveAll,
+		ESaveQuick,
+		EReleaseRAM,
+		EReleaseDisk,
+		};
+public:
+	virtual void SaveL(TSaveType aSaveType)=0;
+	};
+
+/**
+This class describes a client side session object, handling requests
+to the shutdown server.
+@internalComponent
+*/
+class RSaveSession : public RSessionBase
+	{
+public:
+	TInt ConnectL();
+	void NotifySave(TRequestStatus& aStatus);
+	void NotifySaveCancel();
+    TInt SwitchOff(MSaveObserver::TSaveType aAction, TBool aPowerOff);
+    TInt ServerPowerState(TBool& aPowerOff);
+private:
+	TInt StartServerL();
+	};
+
+/**
+This class describes an object, which can be used by the clients, which want to be notified
+about events like powerdown/low memory. The clients have to implement MSaveObserver interface.
+When a particular event happens, the client's implementation of MSaveObserver::SaveL() will
+be called.
+@see MSaveObserver
+@publishedPartner
+@released 
+*/
+class CSaveNotifier : public CActive
+	{
+    friend class CPowerdownClient;//test class
+    friend class CPowerdownClient2;//test class
+public:
+	IMPORT_C static CSaveNotifier* NewL(MSaveObserver& aObserver);
+	IMPORT_C ~CSaveNotifier();
+	IMPORT_C void DelayRequeue();
+	IMPORT_C void Queue();
+	IMPORT_C void HandleError(TInt /*aError*/);
+private:
+	IMPORT_C TInt SwitchOff(MSaveObserver::TSaveType aAction, TBool aPowerOff);
+	IMPORT_C TInt ServerPowerState(TBool& aPowerOff);
+	inline CSaveNotifier(MSaveObserver& aObserver);
+	void ConstructL();
+	void Start();
+private: // from CActive
+	void DoCancel();
+	void RunL();
+private:
+	RSaveSession iSaveSession;
+	MSaveObserver& iSaveObserver;
+	TUint iFlags;
+	};
+
+#endif