locationrequestmgmt/locationserver/inc/EPos_CPosEmptyLastKnownPosStoreHandler.h
changeset 0 9cfd9a3ee49c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/locationrequestmgmt/locationserver/inc/EPos_CPosEmptyLastKnownPosStoreHandler.h	Tue Feb 02 01:50:39 2010 +0200
@@ -0,0 +1,90 @@
+/*
+* 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:  	This class inherits the common functionalities for requests to the 
+*				Location Monitor from EPos_CPosLocMonitorReqHandlerBase.h and also
+*				implements the functions specific to empty last known position store req.
+*
+*/
+
+
+
+#ifndef CPOSEMPTYLASTKNOWNPOSSTOREHANDLER_H_
+#define CPOSEMPTYLASTKNOWNPOSSTOREHANDLER_H_
+
+//--------------------------------------------------------------------------------------
+// INCLUDES
+
+#include <e32base.h>
+#include <e32std.h>
+#include <e32def.h>
+#include <e32cmn.h>
+#include "LbsErrors.h" 
+#include "EPos_Global.h" 		// For DEBUG_TRACE
+#include "EPos_ServerPanic.h" 	// For EPosServerPanicPositionerNotInitialized
+
+#include "EPos_CPosLocMonitorReqHandlerBase.h"
+#include "rlbslocmonitorsession.h"
+
+//--------------------------------------------------------------------------------------
+// FORWARD DECLARATIONS
+class CPosCallbackTimer;		// Used for timeout
+
+//--------------------------------------------------------------------------------------
+// CONSTANT DEFINITIONS
+// The timeout value for the EmptyLastKnownPositionStore request is 10seconds
+const TTimeIntervalMicroSeconds KEmptyLastKnownPosStoreTimeOut(10000000);
+
+//--------------------------------------------------------------------------------------
+// CLASS DECLARATION
+/** 
+ * The active object that handles requests from the clients to empty
+ * the last known position store. Owns a session with the location monitor
+ * and uses the session handle to forward the above requests. Inherits the basic
+ * functionalities from CPosLocMonitorReqHandlerBase.
+ */
+
+
+class CPosEmptyLastKnownPosStoreHandler : public CPosLocMonitorReqHandlerBase
+	{
+public: 
+	// Two-phased Constructors 
+	static CPosEmptyLastKnownPosStoreHandler* NewL(); 
+    // Destructors
+	~CPosEmptyLastKnownPosStoreHandler();  
+
+    void EmptyLastKnownPosStoreL(const RLbsLocMonitorSession& aLocMonitorSession, const RMessage2& aMessage);
+    void CancelEmptyLastKnownPosStoreL(const RMessage2& aMessage);
+    
+private:
+	// C++ Default constructor
+	CPosEmptyLastKnownPosStoreHandler(); 
+	void ConstructL(); 	
+	static TInt HandleTimeOut(TAny* aRequestHandler);
+	
+protected:  
+	// From CActive
+    void RunL();
+    TInt RunError(TInt aError);
+    void DoCancel();
+    
+private:
+	// Session with the location monitor
+	RLbsLocMonitorSession 	iLocMonitorSession; 
+	CPosCallbackTimer* 		iTimeoutTimer; 		// The timeout value is hardcoded in the constant KEmptyLastKnownPosStoreTimeOut
+	};
+
+
+
+#endif /*CPOSEMPTYLASTKNOWNPOSSTOREHANDLER_H_*/
+