--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/logsui/logsserviceextension/inc/clogsextservicehandler.h	Tue Feb 02 10:12:17 2010 +0200
@@ -0,0 +1,222 @@
+/*
+* Copyright (c) 2007 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:  Handles binding and unbinding to service, fetches presense of identities.
+*
+*/
+
+
+#ifndef C_CLOGSEXTSERVICEHANDLER_H
+#define C_CLOGSEXTSERVICEHANDLER_H
+
+#include <e32base.h>
+#include "mlogsextensioncchhandlerobserver.h"
+
+
+#include <presencecachereadhandler2.h>
+#include <mpresencebuddyinfo2.h>
+
+class CLogsExtPresentityData;
+class CLogsExtensionCchHandler;
+class MLogsExtServiceHandlerObserver;
+class TXIMPRequestId;
+
+
+class MPresenceCacheReader2;
+class MPresenceBuddyInfo2;
+
+/**
+ * Service and presence handler.
+ *
+ * @since S60 v3.2
+ */ 
+NONSHARABLE_CLASS(CLogsExtServiceHandler) : 
+        public CBase,
+        public MPresenceCacheReadHandler2
+    {
+   
+public:     
+
+    /**
+     * Creates a new CLogsExtServiceHandler.
+     *
+     * @since S60 v3.2
+     * @param aServiceId a service id
+     * @param aObserver service handler observer
+     * @return a new CLogsExtServiceHandler instance
+     */
+    static CLogsExtServiceHandler* NewL( 
+        const TUint32 aServiceId,
+        MLogsExtServiceHandlerObserver& aObserver );
+        
+    /**
+     * Creates a new CLogsExtServiceHandler.
+     *
+     * @since S60 v3.2
+     * @param aServiceId a service id
+     * @param aObserver service handler observer
+     * @return a new CLogsExtServiceHandler instance
+     */    
+    static CLogsExtServiceHandler* NewLC( 
+        const TUint32 aServiceId,
+        MLogsExtServiceHandlerObserver& aObserver );
+        
+    /**
+     * Destructor.
+     */
+    ~CLogsExtServiceHandler();
+    
+    /**
+     * Returns the service id.
+     *
+     * @since S60 v3.2
+     * @return the service id
+     */ 
+    TUint32 ServiceId();   
+
+    /**
+     * Adds the specified presentity to this service handler
+     * and starts to handle subscription/event handling etc.
+     * for this presentity.
+     *
+     * @since S60 v3.2
+     * @param aPresentityId a presentity
+     */
+    void AddPresentityL( const TDesC& aPresentityId );
+
+public:     // From MPresCacheReadHandler2
+        
+    void HandlePresenceReadL(TInt aErrorCode,
+         RPointerArray<MPresenceBuddyInfo2>& aPresenceBuddyInfoList);
+                           
+    void HandlePresenceNotificationL(TInt aErrorCode,
+        MPresenceBuddyInfo2* aPresenceBuddyInfo);    
+
+    
+private:
+
+    /**
+     * Symbian second-phase constructor.
+     */                    
+    void ConstructL();
+
+    /**
+     * Constructor.
+     */
+    CLogsExtServiceHandler( const TUint32 aServiceId,
+                            MLogsExtServiceHandlerObserver& aObserver );
+
+    /**
+     * Submits a request to get the content of a certain group.
+     *
+     * @since S60 v3.2
+     * @param aGroupName the name of group to retrieve content from.
+     */    
+    void GetGroupContentL( const TDesC& aGroupName );
+    
+    /**
+     * Create presentity data object for a presentity.
+     *
+     * @since S60 v3.2
+     * @param aPresentityId a presentity to create data object for.
+     */
+    void DoPresentityDataCreationL(const TDesC& aPresentityId );
+    
+    /**
+     * Tests whether presentity data object exists or not.
+     *
+     * @since S60 v3.2     
+     * @param aPresentityId a presentity
+     * @return True, if exists; False otherwise
+     */
+    TBool PresentityDataExists( const TDesC16& aPresentityId );
+    
+    /**
+     * Gets presentity data object of a certain presentity.
+     *
+     * @since S60 v3.2
+     * @param aPresentityId a presentity
+     * @param aPresentityData presentity data object pointer. 
+     * @return KErrNone in case data has been retrieved successfully,
+     *         system-wide errorcode otherwise 
+     */ 
+    TInt GetPresentityData(
+            const TDesC16& aPresentityId,
+            CLogsExtPresentityData*& aPresentityData );
+    
+    /**
+     * Subscribe presentity of the specified PresentityData object.
+     * Subscribing presence is an asynchronous operation and it
+     * might evolve network operations.
+     *
+     * @since S60 v3.2
+     * @param aPresentityData a presentity data object 
+     */       
+    void DoPresentitySubscriptionL( CLogsExtPresentityData& aPresentityData );
+    
+    /**
+     * UnSubscribe all contact for presence changes. The Presence Change
+     * notification for these contacts will no longer be delivered. 
+     *
+     * 
+     */                
+    void UnSubscribePresenceInfosL();
+ 
+    /**
+     * Determines whether the service handler has to make subscriptions
+     * and also initiates those. It also informs the service handler 
+     * oberver in case the status of a presentity should not be displayed
+     * (e.g. because the presentity is not found from the subscribed buddy
+     * list anymore)
+     *
+     * @since S60 v3.2
+     */     
+    void CheckServiceHandler();
+
+    /**
+     * Accomplishes the same as CheckServiceHandler().
+     *
+     * @since S60 v3.2
+     */ 
+    void DoCheckServiceHandlerL();    
+
+    
+private: // data
+        
+    /**
+     * Service id
+     */
+    TUint32 iServiceId;   
+    
+    /**
+     * The array that contains the presence fetchers. 
+     * Own. 
+     */  
+    RPointerArray<CLogsExtPresentityData> iPresentityDataArray;
+    
+    /**
+     * The observer of this service handler.
+     * Not own.
+     */
+    MLogsExtServiceHandlerObserver* iObserver;    
+    
+    
+    /**
+     * Presence cache reader
+     * 
+     */
+    MPresenceCacheReader2*   iCacheReader;
+    
+    };
+
+#endif  //  C_CLOGSEXTSERVICEHANDLER_H