--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/phonebookengines_old/contactsmodel/inc/CNTDBOBS.H	Fri Jun 11 13:29:23 2010 +0300
@@ -0,0 +1,150 @@
+// Copyright (c) 1997-2009 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:
+//
+
+#if !defined(__CNTDBOBS_H__)
+#define __CNTDBOBS_H__
+
+#if !defined(__E32DEF_H__)
+#include <e32def.h>
+#endif
+
+#if !( defined __SYMBIAN_CNTMODEL_HIDE_DBMS__ ) && !defined __D32DBMS_H__ 
+#include <d32dbms.h>
+#else
+#include <s32std.h>
+#include <f32file.h>
+#endif 
+
+#include <cntdef.h> //for tcontactitemid 
+
+/** Change event type. For events which update, delete or add a contact item, the 
+ID of the item affected is provided in the TContactDbObserverEvent struct.
+@publishedAll
+@released
+ */
+enum TContactDbObserverEventType
+	{
+	/** Null event type. */
+	EContactDbObserverEventNull,
+	/** Not currently used. */
+	EContactDbObserverEventUnused,
+	/** A contact item (not a template, group or own card) has been changed. */
+	EContactDbObserverEventContactChanged,
+	/** A contact item (not a template, group or own card) has been deleted. */
+	EContactDbObserverEventContactDeleted,
+	/** A contact item (not a template or group) has been added. */
+	EContactDbObserverEventContactAdded,
+	/** Unknown change event type. */
+	EContactDbObserverEventUnknownChanges,
+	/** Recover from a damaged database. */
+	EContactDbObserverEventRecover,
+	/** Rollback from a change to the database. */
+	EContactDbObserverEventRollback,
+	/** Database tables closed. */
+	EContactDbObserverEventTablesClosed,
+	/** Database tables opened. */
+	EContactDbObserverEventTablesOpened,
+	/** A contact card template has changed. */
+	EContactDbObserverEventTemplateChanged,
+	/** A contact card template has been deleted. */
+	EContactDbObserverEventTemplateDeleted, 
+	/** A contact card template has been added. */
+	EContactDbObserverEventTemplateAdded,
+	/** The database's current item has been deleted. */
+	EContactDbObserverEventCurrentItemDeleted,
+	/** The database's current item has changed. */
+	EContactDbObserverEventCurrentItemChanged,
+	/** The database's own card has changed. */
+	EContactDbObserverEventOwnCardChanged,
+	/** The database's preferred template has been set. (See CContactDatabase::SetPrefTemplateL()). */
+	EContactDbObserverEventPreferredTemplateChanged,
+	/** An own card has been deleted from the database. */
+	EContactDbObserverEventOwnCardDeleted,
+	/** A contact item group has been added. */
+	EContactDbObserverEventGroupAdded,
+	/** A contact item group has been updated. */
+	EContactDbObserverEventGroupChanged,
+	/** A contact item group has been deleted from the database. */
+	EContactDbObserverEventGroupDeleted,
+	/** The current database has changed. */
+	EContactDbObserverEventCurrentDatabaseChanged,
+	/** The phone number assigned to one of the speed dial positions 
+	has been replaced, removed or modified.*/
+	EContactDbObserverEventSpeedDialsChanged, 
+	/** Not currently used. */
+	EContactDbObserverEventSortOrderChanged,
+	/** Contacts DB about to be backed up  */
+	EContactDbObserverEventBackupBeginning,
+	/** Contacts DB about to be restored */
+	EContactDbObserverEventRestoreBeginning,
+	/** The backup/restore operation has completed. */
+	EContactDbObserverEventBackupRestoreCompleted,
+	/** The restore operation has completed but the database could not be opened. */
+	EContactDbObserverEventRestoreBadDatabase,
+	/** Database has been compressed. */
+	EContactDbObserverEventCompress
+	};
+
+struct TContactDbObserverEvent
+/** Contact database change event details. These include the type of change event 
+and the ID of the contact item affected by the change, if relevant.
+
+An object of this type is passed to a contact database's change observer, 
+see MContactDbObserver::HandleDatabaseEventL(). 
+@publishedAll
+@released
+*/
+	{
+	/** The change event type. */
+	TContactDbObserverEventType iType;
+	/** The ID of the contact item affected. */
+	TContactItemId iContactId;
+	/** Identifies which connection to the contacts server generated the event. Use 
+	CContactDatabase::ConnectionId() to get the ID of the current connection.
+	
+	Set to zero if the event has no meaningful connection ID. */
+	TUint iConnectionId;
+	};
+
+class MContactDbObserver
+/** The interface for an observer that handles changes to a contact database.
+
+It specifies a single pure virtual function which should be implemented by 
+the observer class to test the type of the change event (see the TContactDbObserverEventType 
+enum) and handle it.
+
+There is no need for the observer class to explicitly test for all possible 
+event types - the event is for information only and event types which are of no interest 
+to the observer class can safely be ignored.
+
+The change event type (TContactDbObserverEventType) may be augmented 
+in future releases with additional values.
+
+A contact database observer pointer is passed to the NewL() function for the 
+CContactChangeNotifier class. 
+@publishedAll
+@released
+*/
+	{
+public:
+	/** Tests the contact database observer event type and handles it. The ID of a 
+	contact affected by the change event, if relevant, can be retrieved via TContactDbObserverEvent::iContactId.
+	
+	@param aEvent Provides information about the change event. */
+	virtual void HandleDatabaseEventL(TContactDbObserverEvent aEvent)=0;
+	};
+
+
+#endif