/*

* 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 of the RClkSrvInterface class.

*

*/

#ifndef __CLOCKSERVER_CLT_H__

#define __CLOCKSERVER_CLT_H__

// System includes

#include <e32base.h>

// User includes

#include "clocktimesourceinterface.hrh"

// Constants

enum TClkSrvSessionPanic

	{

	EClkSrvCltNotifyChangeCancel

	};

// Function declarations

GLDEF_C void Panic( TClkSrvSessionPanic aPanic );

// Class declaration

/**

* @class RClkSrvInterface

* @brief ClockServer client side module, which is I/F for ClockServer.

*/

class RClkSrvInterface : public RSessionBase

	{

	public:			// New functions

		/**

		* @brief Default c++ constructor.

		*/

		IMPORT_C RClkSrvInterface();

		/**

		* @brief Connects the server by creating a session object.

		* @return TInt Error code.

		*/

		IMPORT_C TInt Connect();

		/**

		* @brief Gets the TVersion object.

		* @return TVersion

        */

        IMPORT_C TVersion Version() const;

        /**

		* @brief Issue a request to the server with service message EClkSrvActivateProtocol

		* @param aClkSrvProtocol The protocol to be activated.

		* @return TInt Error code.

        */

        IMPORT_C TInt ActivateProtocol( TInt aClkSrvProtocol );

        /**

		* @brief Issue a request to the server with service message EClkSrvActivateProtocol.

		* calls the overloaded function to activate all the installed protocols.

		* @return TInt Error code.

        */

        IMPORT_C TInt ActivateAllProtocols();

        /**

		* @brief Issue a request to the server with service message EClkSrvIsProtocolActive

		* @param aClkSrvProtocol The protocol to be checked.

		* @param aActive ETrue if the protocol sent above is active, EFalse otherwise.

		* @return TInt Error code.

        */

        IMPORT_C TInt IsProtocolActive( TInt aClkSrvProtocol, TBool& aActive );

        /**

		* @brief Issue a request to the server with service message EClkSrvDeactivateProtocol

		* @param aClkSrvProtocol The protocol to be activated.

		* @return TInt Error code.

        */

        IMPORT_C TInt DeActivateProtocol( TInt aClkSrvProtocol );

        /**

		* @brief Issue a request to the server with service message EClkSrvDeactivateProtocol

		* Call to deactivate all the installed protocols.

		* @return TInt Error code.

        */

        IMPORT_C TInt DeActivateAllProtocols();

        /**

		* @brief Issue a request to the server with service message EClkSrvGetProtocolInfo

		* @param aClkSrvProtocol The protocol to be checked. For later use.

		* @param aTimeAttribute Of type struct STimeAttributes, containing one of the time

				 				attributes requested by the user application.

		* @return TInt Error code.

        */

        IMPORT_C TInt GetProtocolInfo( TInt aClkSrvProtocol, STimeAttributes& aTimeAttribute );

        /**

		* @brief Issue a request to the server with service message EClkSrvGetCurrentMcc

		* @param aCurrentMcc The value of MCC. Will be filled by the server.

		* @return TInt Error code.

        */

        IMPORT_C TInt GetCurrentMcc( TInt& aCurrentMcc );

        /**

		* @brief Issue a request to the server with service message EClkSrvGetCurrentTimeZoneId

		* @param aCurrentTimeZoneId The value of timezone Id. Will be filled by the server.

		* @return TInt Error code.

        */

        IMPORT_C TInt GetCurrentTimeZondId( TInt& aCurrentTimeZoneId );

        /**

		* @brief Issue a request to the server with service message EClkSrvNotifyOnChange

		* @param aWhatChaned A reference argument to be filled by clockserver with the component that has been changed.

		* @param aWhoChanged The entity which caused the change. Will usually be the plug-in id.

		* @param aStatus Reference containing the status of the asynchronous request.

		*/

        IMPORT_C void NotifyOnChange( TInt32& aWhatChanged, TInt32& aWhoChanged, TRequestStatus& aStatus );

        /**

		* @brief Issue a request to the server with service message EClkSrvCancelNotifyOnChange

		*/

        IMPORT_C void NotifyOnChangeCancel();

        /**

        * @brief Issue a request to the server with service message EClkSrvIsAutoTimeUpdadeOn.

        * @param aEnabled ETrue if atleast one of the protocols is active, EFalse otherwise.

        * @return TInt Error code.

        */

        IMPORT_C TInt IsAutoTimeUpdateOn( TBool& aEnabled );

	private:		// New functions.

		/**

		* @brief Asks if the clock server is running.

		* @return TInt Error code.

		*/

		TInt IsClockSrvRunning() const;

		/**

		* @brief Starts the clock server if it's not running before.

		*/

		void StartClockSrvL();

	private:		// Data

		/**

		* @var iWhatChanged

		* @brief A TPtr8 descriptor.

		*/

		TPtr8						iWhatChanged;

		/**

		* @var iWhoChanged

		* @brief A TPtr8 descriptor.

		*/

		TPtr8						iWhoChanged;

	};

#endif		// __CLOCKSERVER_CLT_H__

// End of file