--- a/epoc32/include/mw/activeapdb.h	Tue Nov 24 13:55:44 2009 +0000
+++ b/epoc32/include/mw/activeapdb.h	Tue Mar 16 16:12:26 2010 +0000
@@ -1,1 +1,195 @@
-activeapdb.h
+/*
+* Copyright (c) 2002 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 "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members
+* which accompanies this distribution, and is available
+* at the URL "http://www.symbianfoundation.org/legal/licencesv10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:  Declaration of classes CActiveApDb
+*               and MActiveApDbObserver.
+*
+*/
+
+
+#ifndef ACTIVE_APDB_H
+#define ACTIVE_APDB_H
+
+// Deprecation warning
+#warning This header file has been deprecated. Will be removed in one of the next SDK releases.
+
+
+//  INCLUDES
+#include <commdb.h>
+#include <ApEngineVer.h>
+
+/*
+// Enum for DATABASE_TYPE field
+// Will be deprecated in 7.0
+enum TCommDbDatabaseType
+    {
+    EUnspecified = 0,   // not specifying which type it is - any type of 
+                        // database can be opened with this parameter
+    EIAP,
+    EISP
+    };
+*/
+
+// CONSTANTS
+const TInt KErrActiveApDbObserverNotFound = -500;
+
+// FORWARD DECLARATION
+class CActiveApDbNotifier;
+
+// CLASS DECLARATION
+
+/**
+* Mixin protocol for handling events from a CCommsDatabase.
+* Events are related to database changes and availability.
+*/
+class MActiveApDbObserver
+    {
+    public:     // types
+        enum TEvent       /// Events reported to the database observer.
+            {
+            EDbChanged,   ///< Database has changed.
+            EDbClosing,   ///< Database is about to close.
+            EDbAvailable  ///< Database is available again.(E.g. after unlock)
+            };
+
+    public:     // new methods
+
+        /**
+        * Derived classes should implement this method, and act accordingly
+        * to database events.
+        * @param anEvent Database-related event.
+        *
+        * @deprecated
+        */
+        IMPORT_C virtual void HandleApDbEventL( TEvent anEvent ) = 0;
+
+    };
+
+/**
+* This class manages and guards database integrity
+* by handling all events that are related to the database. These events
+* may originate from the system (Shutdown, Backup/Restore) and from the
+* database itself. The events are transformed into a simple protocol,
+* defined by MActiveApDbObserver.
+* Expects an active scheduler to be installed and running.
+*/
+NONSHARABLE_CLASS( CActiveApDb ) : public CBase
+    {
+
+    public:     // Constructors and destructor
+        /**
+        * Two-phased constructor. Leaves on failure.
+        * @param aType The desired type of the CCommsDatabase object.
+        * Defaults to EDatabaseTypeIAP.
+        * @return The constructed CActiveApDb object.
+        *
+        * @deprecated
+        */
+        IMPORT_C static CActiveApDb* NewL
+            ( TCommDbDatabaseType aType = EDatabaseTypeIAP );
+
+
+
+        /**
+        * Destructor.
+        *
+        * @deprecated
+        */
+        IMPORT_C virtual ~CActiveApDb();
+
+    protected:  // Constructors
+
+        /**
+        * Second phase constructor. Leaves on failure.
+        * @param aType The desired type of the CCommsDatabase object.
+        * events.
+        */
+        void ConstructL();
+
+    public:     // new methods
+        /**
+        * Adds an observer to the list of observers to be notified
+        * about the DB events.
+        * Also automatically starts observation and notification.
+        * The order of notification will be exactly the order of registration.
+        * @param anObserver Observer to be notified about database-related
+        * events.
+        *
+        * @deprecated
+        */
+        IMPORT_C void AddObserverL( MActiveApDbObserver* anObserver );
+
+
+        /**
+        * Removes an observer. If not added, silently ignores.
+        * @param anObserver The observer.
+        *
+        * @deprecated
+        */
+        IMPORT_C void RemoveObserver( MActiveApDbObserver* anObserver );
+
+
+        /**
+        * Returns the CCommsDatabase.
+        * Required because we can not derive from CCommsDatabase...
+        *
+        * @deprecated
+        */
+        IMPORT_C CCommsDatabase*  Database();
+
+    private:
+        /**
+        * Handle events from the database (DBMS).
+        * The order of notification is the order of registration.
+        * @param anEvent Event generated by DBMS. Values from
+        * RDbNotifier::TEvent, or KErrCancel.
+        */
+        void HandleDbEventL( TInt anEvent );
+
+
+        /**
+        * Notify all observers about an event.
+        * @param anEvent Event to be sent to observers.
+        */
+        void NotifyObserversL( MActiveApDbObserver::TEvent anEvent );
+
+    friend class CActiveApDbNotifier;
+
+    private:    // types
+        /**
+        * Default constructor. Can not leave.
+        */
+        CActiveApDb();
+
+
+        enum TState             /// State of the finite state machine.
+            {
+            EClosed,            ///< Closed and idle.
+            EReady,             ///< Open and ready for use.
+            EWaitClose,         ///< Closed, waiting for other users to close.
+            EWaitBackupRestore, ///< Closed, waiting Backup/Restore to finish.
+            EWaitShutdown       ///< Closed, waiting to die.
+            };
+
+    private:        // Data
+        CArrayPtrFlat<MActiveApDbObserver>* iObservers;   ///< Observers.
+
+        CCommsDatabase*     iDb;    // Creates & owns it !
+        // CommsDb has its own RDbNotifier...
+        TState iState;  ///< Current state of the database.
+        CActiveApDbNotifier*    iDbNotifier;
+    };
+
+#endif
+
+// End of File