servicewidget/servicewidgetdatapublisher/inc/cservicewidgetcchhandler.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 02 Feb 2010 10:12:18 +0200
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/*
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* Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:  class for cch service handling
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 *                
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 *
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*/
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#ifndef CSERVICEWIDGETCCHHANDLER_H
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#define CSERVICEWIDGETCCHHANDLER_H
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#include <cch.h>
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#include <cchclient.h>
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#include <cchtypes.h>
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#include <cchuiobserver.h>
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#include "servicewidgetcpglobals.h"
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#include "servicewidgetenums.hrh"
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// farword declarations
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class MServiceWidgetServiceStateObserver;
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/**
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 * @class cch handler class implementation
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 * @since 5.0
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 */
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struct TSubServiceState
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	{
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	TCCHSubserviceType iSubServiceType; /* subservice type(IM/VOIP/PRESENCE */
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	TSWSTRegistrationState iSubServiceState; /* observer */
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	}; 
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class CServiceWidgetCchHandler  : public CBase,
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                             	  public MCchServiceStatusObserver
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	{
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	public:
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		/**
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		* Two-phased constructor.
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		* @param aServiceId, service id
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		* @param aContentPrioritizer, service state observer
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		* @return the instance of this class
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		*/
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		static CServiceWidgetCchHandler* NewL( TUint32 aServiceId,
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												MServiceWidgetServiceStateObserver& aContentPrioritizer );
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		/**
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		* Two-phased constructor.
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		* @param aServiceId, service id
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		* @param aContentPrioritizer, service state observer
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		* @return the instance of this class
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		*/
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		static CServiceWidgetCchHandler* NewLC( TUint32 aServiceId,
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												MServiceWidgetServiceStateObserver& aContentPrioritizer );
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		/**
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		* Standard C++ destructor
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		*/    
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		~CServiceWidgetCchHandler();
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	public: // new methods
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		/**
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		* @return own user id
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		*/ 
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		const TDesC& OwnUserIdL();
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		/**
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		* @return own user id
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		*/ 
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		TInt XimpAdaptationUidL();
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		/**
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		* @param aSubServiceType, a sub service type
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		* @return ETrue if service supported 
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		*/
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		TBool IsSubServiceSupported(TCCHSubserviceType aSubServiceType );
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		/**
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		* read the supported sub service of selected service 
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		*/
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		void ReadSupportedSubServices(); 
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		/**
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		* mapped the cch state to local state 
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		* @param aState ,cch state
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		* @return mapped state
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		*/ 
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		TSWSTRegistrationState ParseGetServiceState();
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		/**
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		 *  @return tabview id if service installed else NULL
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		 */ 
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		TInt GetServiceViewIdL( TInt& aTabUid );
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		/**
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		 *  @returns true if service logged in successfully else KErrNotFound
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		 */ 
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		TInt EnableServiceL( );
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	public: // method from MCchServiceObserver
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		/**
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		* Signaled when service status or error changes
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		*
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		* @param aServiceId Id of the service
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		* @param aType Service type
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		* @param aServiceStatus Service status
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		*/
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		void ServiceStatusChanged(TInt aServiceId,
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								const TCCHSubserviceType aType,
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								const TCchServiceStatus& aServiceStatus );
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    private: // Implementation
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		/**
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		* Standard C++ constructor
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		* @param aServiceId, service id
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		* @param aContentPrioritizer, service state observer
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	    */
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		CServiceWidgetCchHandler(TUint32 aServiceId,
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								 MServiceWidgetServiceStateObserver& aContentPrioritizer );
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		/**
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		* Performs the 2nd phase of construction.
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		*/        
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		void ConstructL();
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		/**
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		* read the own status from the xmmp
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		* @return the own status
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		*/ 
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		HBufC* GetConParametersL( TCchConnectionParameter aConnParam ); 
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		/**
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		* mapped the cch state to local state 
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		* @param aState ,cch state
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		* @return mapped state
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		*/ 
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		TSWSTRegistrationState GetLocalServiceState(TCCHSubserviceState aState );
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		/**
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		* @return service state
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		*/
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		TSWSTRegistrationState GetServiceState( TCCHSubserviceType aServiceType );
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		/**
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		* check from cch service  
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		* @param aSubServiceType ,a sub service type
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		* @return ETrue if supported
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		*/ 
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		TBool IsServiceSupported(TCCHSubserviceType aSubServiceType );
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	private: // Data
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		//owns : serviceid       
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		TInt iServiceId;
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		// not owns : reference to state observer
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		MServiceWidgetServiceStateObserver& iStateObserver; 
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		//owns : reference to cch 
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		CCch*   iCchClient;     
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		//owns : own user id
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		HBufC* iOwnData;
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		// owns : service name 
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		HBufC* iServiceName;
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		// owns : xmpp parameters
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		TSWSTRegistrationState iServiceState;
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		 // does not own array of observers.
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        RArray<TSubServiceState> iSupportedSubServices;
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	};
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#endif /*CSERVICEWIDGETCCHHANDLER_H*/