--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/PECengine/ListLibrary2/ContactListSrc/CPEngContactListModChangeMonitor.h	Thu Dec 17 08:41:52 2009 +0200
@@ -0,0 +1,232 @@
+/*
+* Copyright (c) 2005 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:  Monitors contact list changes.
+*
+*/
+
+
+#ifndef __CPENGCONTACTLISTMODCHANGEMONITOR_H__
+#define __CPENGCONTACTLISTMODCHANGEMONITOR_H__
+
+//  INCLUDES
+#include <e32base.h>
+#include <badesca.h>
+
+
+// FORWARD DECLARATIONS
+class RWriteStream;
+class RReadStream;
+class MPEngContactListModStore;
+
+
+// CLASS DECLARATION
+
+/**
+ * Monitor the contact list changes.
+ * Stores changes which were commited on the network server
+ *
+ * @lib PEngListLib2
+ * @since 3.0
+ */
+NONSHARABLE_CLASS( CPEngContactListModChangeMonitor ) : public CBase
+    {
+public:  // Constructors and destructor
+
+    /**
+     * Two-phased constructor.
+     */
+    static CPEngContactListModChangeMonitor* NewL(
+        MPEngContactListModStore& aStoreEntry );
+
+    /**
+     * Destructor.
+     */
+    virtual ~CPEngContactListModChangeMonitor();
+
+
+
+public: // New functions
+
+    /**
+     * Returns list of Contact Ids wich were added
+     * to the contact lists with the last transaction
+     *
+     * @since 3.0
+     * @return Array of the added Contact Ids
+     */
+    const MDesCArray& AddedContactIds() const;
+
+
+    /**
+     * Returns list of Contact Ids wich were removed from
+     * the contact lists with the last transaction
+     *
+     * @since 3.0
+     * @return Array of the removed Contact Ids
+     */
+    const MDesCArray& RemovedContactIds() const;
+
+
+    /**
+     * Returns count of added Contact Ids
+     *
+     * @since 3.0
+     * @return count of Contact Ids
+     */
+    TInt CountAddedContactIds() const;
+
+
+    /**
+     * Returns count of removed Contact Ids
+     *
+     * @since 3.0
+     * @return count of Contact Ids
+     */
+    TInt CountRemovedContactIds() const;
+
+
+    /**
+     * Find Contact Id in the Added Contact Ids
+     *
+     * @since 3.0
+     * @param aContactId contact id to find
+     * @param aUserDomain user domain
+     * @return the position of found Contact Id, else KErrNotFound.
+     */
+    TInt FindContactIdInAdded( const TDesC& aContactId,
+                               const TDesC& aUserDomain ) const;
+
+
+    /**
+     * Find Contact Id in the Removed Contact Ids
+     *
+     * @since 3.0
+     * @param aContactId The Contact Id to find
+     * @param aUserDomain user domain
+     * @return the position of found Contact Id, else KErrNotFound.
+     */
+    TInt FindContactIdInRemoved( const TDesC& aContactId,
+                                 const TDesC& aUserDomain ) const;
+
+    /**
+     * Externalizes whole presence list to stream
+     *
+     * @since 3.0
+     * @param aStream Stream to write to.
+     */
+    void ExternalizeArrayL( RWriteStream& aStream ) const;
+
+
+    /**
+     * Internalizes whole presence list from stream
+     *
+     * @since 3.0
+     * @param aStream stream to read from
+     * @return
+     */
+    void InternalizeArrayL( RReadStream& aStream );
+
+
+    /**
+     * Add Contact Id to the list of added Contact Ids,
+     * Does not leave if Contact Id already exists
+     *
+     * @since 3.0
+     * @param aContactId to add to the list
+     * @return KErrNone if it was OK, else system wide error code
+     */
+    TInt InsertAddedContactIdL( const TDesC& aContactId );
+
+    /**
+     * Remove Contact Id to the list of added Contact Ids
+     *
+     * @since 3.0
+     * @param aContactId Contact Id to be removed
+     * @return KErrNone if it was OK, else system wide error code
+     */
+    void RemoveAddedContactId( const TDesC& aContactId );
+
+
+    /**
+     * Reset content of the list of Added Contact Ids,
+     *
+     * @since 3.0
+     */
+    void ResetAddedContactId();
+
+
+    /**
+     * Add Contact Id to the list of removed Contact Ids,
+     * Does not leave if Contact Id already exists
+     *
+     * @since 3.0
+     * @param aContactId to add to the list
+     * @return KErrNone if it was OK, else system wide error code
+     */
+    TInt InsertRemovedContactIdL( const TDesC& aContactId );
+
+
+    /**
+     * Remove Contact Id to the list of removed Contact Ids,
+     *
+     * @since 3.0
+     * @param aContactId Contact Id to be removed
+     * @return KErrNone if it was OK, else system wide error code
+     */
+    void RemoveRemovedContactId( const TDesC& aContactId );
+
+
+    /**
+     * Reset content of the list of removed Contact Id,
+     *
+     * @since 3.0
+     */
+    void ResetRemovedContactIds();
+
+
+    /**
+     * Reset the content of the list
+     *
+     * @since 3.0
+     */
+    void Reset();
+
+
+protected:  // New functions
+
+    /**
+     * C++ constructor.
+     */
+    CPEngContactListModChangeMonitor(
+        MPEngContactListModStore& aStoreEntry );
+
+
+private:    // Data
+
+    // OWN: List of added ContactIds
+    CDesC16ArraySeg                 iAddedContactIds;
+
+    // OWN: List of removed ContactIds
+    CDesC16ArraySeg                 iRemovedContactIds;
+
+    // REF: Store entry of the whole model
+    MPEngContactListModStore&       iStoreEntry;
+
+    };
+
+#endif      // __CPENGCONTACTLISTMODCHANGEMONITOR_H__
+
+
+//  End of File
+