--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/clock/clockengines/clocktimesourceinterface/inc/clocktimesourceinterface.h	Fri Apr 16 14:57:40 2010 +0300
@@ -0,0 +1,112 @@
+/*
+* 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:   The header file for the CClockTimeSourceInterface class.
+*
+*/
+
+#ifndef __CLOCK_TIMESOURCE_INTERFACE_H__
+#define __CLOCK_TIMESOURCE_INTERFACE_H__
+
+// System includes
+#include <e32std.h>
+#include <e32base.h>
+
+// User includes
+#include "clocktimesourceinterface.hrh"
+
+// Forward declarations
+class MClockPluginObserver;
+
+/** 
+* @brief This is an interface class that needs to be implemented by
+*        every ECOM based plugin which updates the device time.
+* @dll clocktimesourceinterface.dll
+*/
+class CClockTimeSourceInterface : public CBase
+	{
+	public:			// Constructor and Destructor
+
+		/**
+		* @brief Two phases constructor, to construct the object of the 
+		*        ECOM implementation referred to by the aImpId.
+		* @param aImpId Implementation id of the ECOM implementation to be loaded.
+		* @return CClockTimeSourceInterface* Pointer to an instance of aImpId.
+		*/
+		IMPORT_C static CClockTimeSourceInterface* NewL( const TUid& aPluginId,
+    								  					 MClockPluginObserver* aObserver );
+		
+		/**
+		* @brief Destroy the object and release all memory objects
+		*/
+	  	IMPORT_C ~CClockTimeSourceInterface();
+
+	public:			// New functions
+
+		
+		/**
+		* @brief Gets the UTC Time, pure virtual, to be implemented by the plugin.
+		* @param aInterfaceAttribute anyone of enum TInterfaceAttribute defined in clocktimesourceinterface.hrh
+		* @param aTimeAttributes The type of data requested
+		*/
+		IMPORT_C virtual void GetTimeInformationL( TInterfaceAttribute aInterfaceAttribute,
+		                                           STimeAttributes* aTimeAttributes ) = 0;
+		
+		/**
+		* @brief Gets the UTC Time, pure virtual, to be implemented by the plugin.
+		* @param aInterfaceAttribute anyone of enum TInterfaceAttribute defined in clocktimesourceinterface.hrh
+		* @param aPtr TAny* to the type of data requested
+		*/
+		IMPORT_C virtual void NotifyOnTimeChange( TInterfaceAttribute aInterfaceAttribute ) = 0;
+		
+		/**
+		* @brief Returns the plugin implementation id. Unique for each plugin.
+		* @return TInt The Uid of the plugin.
+		*/
+		IMPORT_C virtual TInt GetPluginUid() = 0;
+						
+	private:		// New functions
+	
+		/**
+		* @brief Symbiam OS 2nd Phase construct, performs the 2nd phase construction.
+		* @param aPluginId The UID of the plugin that needs to be constructed
+		* @param aObserver An observer of type MClockPluginObserver
+		*/
+		void ConstructL( MClockPluginObserver* aObserver );
+		
+	protected:		// Data
+
+		/**
+		* @var iObserver
+		* @brief This is essentially the ClockServer which is waiting for notification from the implementations.
+		*/
+		MClockPluginObserver*           iObserver;
+		
+		/**
+		* @var iPluginId
+		* @brief The plugin UID.
+		*/
+		TUid                            iPluginId;
+		
+	private:       // Data
+
+        /**
+        * @var iDtor_ID_key
+        * @brief Implementation UID of the Time updater implementation.
+        */
+        TUid                            iDtor_ID_key;
+	};
+
+#endif		// __CLOCK_TIMESOURCE_INTERFACE_H__
+
+// End of file