--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/omads/omadsextensions/adapters/contacts/inc/NSmlContactsModsFetcher.h	Wed Sep 01 12:30:02 2010 +0100
@@ -0,0 +1,207 @@
+/*
+* Copyright (c) 2006 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:  DS contacts datastore.
+*
+*/
+
+
+#ifndef __NSMLCONTACTSMODSFETCHER_H__
+#define __NSMLCONTACTSMODSFETCHER_H__
+
+// INCLUDES
+#include <SmlDataProvider.h>
+#include <SmlDataFormat.h>
+#include <f32file.h>
+#include <cntdb.h>
+#include <cntitem.h>
+#include <MContactsModsFetcher.h>
+
+#include <CVPbkContactManager.h>
+#include <MVPbkContactStore.h>
+#include <MVPbkContactViewObserver.h>
+#include <CVPbkSortOrder.h>
+#include <MVPbkContactViewBase.h>
+#include <MVPbkSingleContactOperationObserver.h>
+#include <MVPbkContactOperationBase.h>
+
+// CONSTANTS
+const TInt KNSmlSnapshotSize = 56;
+const TInt KNSmlSnapshotSmallSize = 8;
+_LIT( KNSmlContactSyncNoSync, "none" ); // Taken from phonebook
+
+// CLASS DECLARATION
+class CNSmlChangeFinder;
+class TNSmlSnapshotItem;
+
+// ------------------------------------------------------------------------------------------------
+// CNSmlContactsModsFetcher
+//
+// @lib nsmlcontactsdataprovider.lib
+// ------------------------------------------------------------------------------------------------
+class CNSmlContactsModsFetcher : public CActive, public MContactsModsFetcher,
+								MVPbkContactViewObserver,
+								MVPbkSingleContactOperationObserver,
+								MVPbkContactOperationBase
+								
+	{
+	public:
+		/**
+		* C++ constructor.
+		* @param		aSnapshotRegistered	Is snapshot registered.
+		* @param		aCntDb				Pointer to opened database.
+		* @param		aKey				Key array.
+		* @param		aChangeFinder		Pointer to Changefinder.
+		*/
+		CNSmlContactsModsFetcher( TBool& aSnapshotRegistered,CVPbkContactManager& aContactManager,MVPbkContactStore& aStore,TKeyArrayFix& aKey, CNSmlChangeFinder& aChangeFinder );
+		/**
+		* Second phase constructor.
+		*/
+		void ConstructL();
+
+		/**
+		* ~CNSmlContactsModsFetcher() desctructor.
+		*/
+		virtual ~CNSmlContactsModsFetcher();
+		
+	private:
+	
+		/**
+		* From MVPbkContactViewObserver  
+		* Called when a view is ready for use. 
+		*/
+
+		void ContactViewReady(
+		            MVPbkContactViewBase& aView ) ;
+		/**
+		* From MVPbkContactViewObserver  
+		* Called when a view is unavailable for a while. 
+		*/            
+		void ContactViewUnavailable(
+		            MVPbkContactViewBase& aView ) ;
+		/**
+		* From MVPbkContactViewObserver  
+		* Called when a contact has been added to the view.
+		*/            
+		void ContactAddedToView(
+		            MVPbkContactViewBase& aView, 
+		            TInt aIndex, 
+		            const MVPbkContactLink& aContactLink );
+		/**
+		* From MVPbkContactViewObserver  
+		* Called when a contact has been removed from a view.
+		*/            
+		void ContactRemovedFromView(
+		            MVPbkContactViewBase& aView, 
+		            TInt aIndex, 
+		            const MVPbkContactLink& aContactLink ) ;
+		/**
+		* From MVPbkContactViewObserver  
+		* Called when an error occurs in the view.
+		*/            
+		void ContactViewError(
+		            MVPbkContactViewBase& aView, 
+		            TInt aError, 
+		            TBool aErrorNotified ) ;
+		            /**
+		* From MVPbkSingleContactOperationObserver  
+		* Called when the operation is completed.
+		*/
+         void VPbkSingleContactOperationComplete(MVPbkContactOperationBase& aOperation,MVPbkStoreContact* aContact ); 
+         
+		/**
+		* From MVPbkSingleContactOperationObserver  
+		*  Called if the operation fails.
+		*/
+ 		void VPbkSingleContactOperationFailed(
+ 					MVPbkContactOperationBase& aOperation, 
+ 					TInt aError );
+
+	private:
+		/**
+		* Fetches next chunk of data (client contacts data changes).
+		*/
+		void FetchNextContactL();
+
+		/**
+		* From CActive. Called when asynchronous operation completes.
+		*/
+		void RunL();
+		
+		/**
+		* From CActive. Called when RunL leaves.
+		*/    
+		TInt RunError( TInt aError );
+
+		/**
+		* From CActive. Cancels operation.
+		*/
+		void DoCancel();
+		
+		/**
+		* Checks if aItem is confidential or not.
+		* @param    aItem   Item that is checked.
+		* @return   TBool   ETrue if item is confidential.
+		*                   Otherwise EFalse is returned.
+		*/
+        TBool IsConfidentialL( MVPbkStoreContact& aItem );
+        /**
+		* Create a contact view of the store which is opened
+		*/
+        void CreateViewL();
+        /**
+		* Add the fetched contacts id and timestamp 
+		* to the snapshot.
+		* @param    aContact   Fetched contact to be 
+		*						added to snapshot
+		*/
+        void UpdateSnapshotL( MVPbkStoreContact* aContact );
+
+    private: // from MContactsModsFetcher
+
+        /**
+        * Cancels the current asynchronous request
+        */
+        void CancelRequest( );
+
+        /**
+        * Reads all modifications from clients contacts databse.
+        * @param    aStatus   On completion of the operation, contains the result code.
+        */    
+        void FetchModificationsL( TRequestStatus& aStatus );
+
+	private: // data
+		TRequestStatus* iCallerStatus;
+		TTime iFromTime;
+		
+		
+		CArrayFixSeg<TNSmlSnapshotItem>* iSnapshot;
+		
+		TBool& iSnapshotRegistered;
+
+
+		TKeyArrayFix& iKey;
+
+		CNSmlChangeFinder& iChangeFinder;
+		TInt iCurrentSnapshotCounter;
+
+		CVPbkContactManager& iContactManager;
+        MVPbkContactStore& iStore;
+        MVPbkContactViewBase* iContactViewBase;
+        TInt iContactCount;
+
+	};
+
+#endif // __NSMLCONTACTSMODSFETCHER_H__
+
+// End of File