--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/serviceproviders/sapi_contacts_vpbk/contactservice/inc/deletecontactobserver.h	Fri Jul 03 15:51:24 2009 +0100
@@ -0,0 +1,172 @@
+/*
+* 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 the License "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:  Observer to Delete contacts from the contact store
+*
+*/
+
+
+#ifndef C_DELETECONTACTOBSERVER_H
+#define C_DELETECONTACTOBSERVER_H
+
+#include <s32file.h> // Used for RFileReadStream and RFileWriteStream
+
+#include <mvpbkcontactobserver.h>    //base class for vCardExEng
+#include <mvpbkbatchoperationobserver.h>
+#include <mvpbkcontactstoreobserver.h>
+#include <cvpbkcontactlinkarray.h>
+
+#include "contactservice.h"
+#include "cancelasyncrquest.h"
+
+class CVPbkContactManager;
+class MVPbkStoreContact;
+class MVPbkContactLink;
+class MContactCallback;
+class MVPbkContactLinkArray;
+class MCancelAsync;
+
+
+class CDeleteContactObserver : public CBase,
+						   	   public MVPbkBatchOperationObserver,
+						   	   public MVPbkContactStoreObserver,
+						   	   public MCancelAsync
+	{
+	public:
+		/*
+		 * called for creating an instace of delete contact observer
+		 */
+    	static CDeleteContactObserver* NewL(CContactService* aContactService,
+											MVPbkContactStore* aContactStore, 
+											RPointerArray<TDesC8>& aContactIdArray,
+											TInt aTransId,
+											MContactCallback* aCallback);
+		/*
+		 * Destructor
+		 */ 
+    	~CDeleteContactObserver();
+    	/*
+    	 * Implementation of Cancel of MCancelAsync
+    	 */
+		void Cancel();
+
+	private:
+		/*
+		 * Constructor
+		 */
+	    CDeleteContactObserver();
+	   	/* 
+	   	 * Symbian second-phase construction
+	   	 */
+	    void ConstructL(CContactService* aContactService, 
+				  		MVPbkContactStore* aContactStore, 
+				  		RPointerArray<TDesC8>& aContactIdArray,
+				  		TInt aTransId,
+				  		MContactCallback* aCallback);
+
+	    /*
+	     * Called for deleting contacts from the contacts database.
+	     */
+	    void DoDeleteL();
+	    
+	    /*
+		 * Convert the contact ids into link array format.
+		 */
+	    void ConvertContactIdsToLinkArrayL( RPointerArray<TDesC8>& aContactIdArray );
+
+	private: //MVPbkBatchOperationObserver
+		/**
+         * Called when one step of the operation is complete.
+         * @param aOperation Operation whose step has completed.
+         * @param aStepSize Size of the performed step
+         */
+        void StepComplete( MVPbkContactOperationBase& aOperation,
+      			          			TInt aStepSize );
+				
+		/**
+         * Called when one step of the operation fails.
+         * @param aOperation Operation whose step has completed.
+         * @param aStepSize Size of the performed step
+         * @param aError Error that occured.
+         * @return ETrue if the batch operation should continue, 
+         *               EFalse otherwise.
+         */
+        TBool StepFailed( MVPbkContactOperationBase& aOperation,
+            		    		  TInt aStepSize, TInt aError );
+
+		/**
+         * Called when operation is completed.
+         *
+         * @param aOperation    the completed operation.
+         */
+        void OperationComplete( MVPbkContactOperationBase& aOperation );
+	
+	        
+	private: //MVPbkContactStoreObserver
+		/**
+	     * Called when a contact store is ready to use.
+	     */
+		 void StoreReady( MVPbkContactStore& aContactStore );
+		
+		 /**
+	      * Called when a contact store becomes unavailable.
+	      * Client may inspect the reason of the unavailability and decide whether or not
+	      * it will keep the store opened (ie. listen to the store events).
+	      * @param aContactStore The store that became unavailable.
+	      * @param aReason The reason why the store is unavailable.
+	      *                This is one of the system wide error codes.
+	      */ 
+		 void StoreUnavailable( MVPbkContactStore& aContactStore, TInt aReason );
+
+		/**
+	     * Called when changes occur in the contact store.
+	     * @see TVPbkContactStoreEvent
+	     * @param aContactStore The store the event occurred in.
+	     * @param aStoreEvent   Event that has occured.
+	     */
+     	 virtual void HandleStoreEventL(MVPbkContactStore& aContactStore, 
+     								    TVPbkContactStoreEvent aStoreEvent );
+	
+	private:  //Data members
+		/*
+		 * Pointer to a contact service
+		 */
+		CContactService* iContactService;
+		/*
+		 * Pointer to a contact store
+		 */
+		MVPbkContactStore* iContactStore;
+		/*
+		 * Pointer to a contact link array.
+		 */
+		CVPbkContactLinkArray* iContactLinkArray;
+		/*
+		 * Pointer to a callback.
+		 */
+		MContactCallback* iCallback;
+		
+		/*
+	     * Transaction Id.
+	     */
+	    TInt iTransId;
+	    
+	    RPointerArray<MVPbkContactLinkArray> iLinkArrayToDelete;
+	    
+	   /*
+        * OperationBase pointer to be used to cancel async request
+	    */
+	    MVPbkContactOperationBase* iOp;
+		
+	};
+
+#endif //C_DELETECONTACTOBSERVER_H
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