--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/wvuing/IMPSConnectionUI/NotifySrc/CIMPSConnUiConnectionModeNotifierImp.h	Thu Dec 17 08:41:52 2009 +0200
@@ -0,0 +1,265 @@
+/*
+* Copyright (c) 2004 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:  Connection mode notifier implementation.
+*
+*/
+
+#ifndef __CIMPSCONNUICONNECTIONMODENOTIFIERIMP_H
+#define __CIMPSCONNUICONNECTIONMODENOTIFIERIMP_H
+
+//  INCLUDES
+#include <E32Base.h>
+#include <impspresenceconnectionuiconstsng.h>
+#include <PEngPresenceEngineConsts2.h>
+#include "MCnUiConnModeHandler.h"
+#include "RGenericObserverArray.h"
+
+
+// FORWARD DECLARATIONS
+class MIMPSConnUiConnectionModeObserver;
+class CIMPSConnUiConnectionModeNotifier;
+class CIMPSConnUiConnectionModeNotifierImp;
+
+
+// CLASS DECLARATION
+/**
+ * CIMPSConnUiConnectionModeNotifierImp.
+ * Implements the event notifier features.
+ *
+ * @since 3.0
+ */
+NONSHARABLE_CLASS( CIMPSConnUiConnectionModeNotifierImp ) :
+        public CBase,
+        public MCnUiConnModeObserver,
+        public MGenObserverNotifyMediator < MIMPSConnUiConnectionModeObserver,
+        TIMPSConnectionModeEvent >
+    {
+public:  // Two-phased constructor and destructor
+
+    /**
+     * Two-phased constructor.
+     * Constructs client filtered version of
+     * event notifier implementation.
+     */
+    static CIMPSConnUiConnectionModeNotifierImp* NewL(
+        CIMPSConnUiConnectionModeNotifier& aInterface,
+        TIMPSConnectionClient aClient );
+
+
+    /**
+     * Destructor.
+     */
+    ~CIMPSConnUiConnectionModeNotifierImp();
+
+
+private:
+
+    /**
+     * C++ constructor.
+     */
+    CIMPSConnUiConnectionModeNotifierImp( CIMPSConnUiConnectionModeNotifier& aInterface,
+                                          TIMPSConnectionClient aClient );
+
+
+    /**
+     * Symbian OS constructor.
+     */
+    void ConstructL();
+
+
+public:  //Implementation methods for public APIs
+
+    /**
+     * Implements notify start.
+     *
+     * @since 3.0
+     */
+    void StartL();
+
+
+    /**
+     * Implements notify stop.
+     *
+     * @since 3.0
+     */
+    void Stop();
+
+
+    /**
+     * Implements add observer.
+     *
+     * @since 3.0
+     * @param aObserver The observer to add.
+     */
+    void AddObserverL( MIMPSConnUiConnectionModeObserver* aObserver );
+
+
+    /**
+     * Implements remove observer.
+     *
+     * @since 3.0
+     * @param aObserver The observer to remove.
+     * @return KErrNone if observer was found, else KErrNotFound.
+     */
+    TInt RemoveObserver( MIMPSConnUiConnectionModeObserver* aObserver );
+
+
+    /**
+     * Implements connection mode get.
+     *
+     * @since 3.0
+     * @param aModeEventCateqory event category
+     * @return Current connection mode.
+     */
+    TIMPSConnectionModeEvent ConnectionModeByCategoryL(
+        TIMPSConnectionModeEvent aModeEventCateqory );
+
+
+public: //Observation method from MCnUiConnModeObserver
+
+
+    /**
+     * Observation method to get events from client
+     * specific connection mode changes.
+     *
+     * Forwards events to reqistered
+     * MIMPSConnUiConnectionModeObserver observers.
+     *
+     * @since 3.0
+     */
+    void HandleConnModeChange( TIMPSConnectionClient aRequestedClient,
+                               TIMPSConnectionModeEvent aConnMode );
+
+
+private:  // Helper methods
+
+    /**
+     * Helper method implementing
+     * real notify start.
+     *
+     * @since 3.0
+     */
+    void DoStartL();
+
+
+    /**
+     * Helper method to implementing
+     * real notify stop.
+     *
+     * @since 3.0
+     */
+    void DoStop();
+
+
+    /**
+     * Called in notifier destructor.
+     *
+     * Sets the dying flag on (prevents further starting the
+     * notifier and error and event notifying) Stops the notifier
+     * if running.
+     *
+     * @since 3.0
+     */
+    void Dying();
+
+
+    /**
+     * Notifies registered observers from given presence event.
+     * If notifier isn't running,
+     * ignores given presence event.
+     *
+     * @since 3.0
+     * @param aEvent The event to notify.
+     */
+    void NotifyObserversFromEvent( TIMPSConnectionModeEvent aEvent );
+
+
+    /**
+     * Notifies registered observers from given error.
+     *
+     * If notifier isn't running, ignores given error.
+     *
+     * Before notifying the error,
+     * the notifier is stopped. (Client can restart
+     * the notifier in the error callback.)
+     *
+     * @since 3.0
+     * @param aError The error to report.
+     */
+    void StopAndNotifyObserversFromError( TInt aError );
+
+
+private: //Notify mediators from MGenObserverNotifyMediator
+
+    /**
+     * Implements the observer notification.
+     *
+     * @since 3.0
+     * @param aObserverToNotify The observer to notify.
+     * @param aNotifyData The notify data.
+     */
+    void MediateNotifyL( MIMPSConnUiConnectionModeObserver& aObserverToNotify,
+                         TIMPSConnectionModeEvent& aNotifyData );
+
+
+    /**
+     * Observer notification from error.
+     *
+     * @since 3.0
+     * @param aObserverToNotify The notified observer which leaved.
+     * @param aLeaveError The propagated leave code.
+     */
+    void MediateNotifyError( MIMPSConnUiConnectionModeObserver& aObserverToNotify,
+                             TInt aLeaveError );
+
+
+    /**
+     * Observer notification from error.
+     *
+     * @since 3.0
+     * @param aObserverToNotify The observer to notify.
+     * @param aError The error.
+     */
+    void MediateError( MIMPSConnUiConnectionModeObserver& aObserverToNotify,
+                       TInt aError );
+
+
+
+private: //Data
+
+    ///< Reference to owning interface, interface not owned
+    CIMPSConnUiConnectionModeNotifier&  iInterface;
+
+    /// Client for which to deliver mode events, owned
+    const TIMPSConnectionClient         iClient;
+
+    /// Connection mode handler to get notifications, owned
+    MCnUiConnModeHandler*               iConnModeHandler;
+
+    ///< Observer array, array owned, observers not
+    RGenericObserverArray < MIMPSConnUiConnectionModeObserver,
+    TIMPSConnectionModeEvent > iObserverArray;
+
+    ///< Flags describing the notifier state, owned
+    ///< Flag contents are either EFalse or ETrue
+    TInt8   iStarted;
+    TInt8   iDying;
+    TInt8   iReserved1;
+    TInt8   iReserved2;
+    };
+
+#endif      //__CIMPSCONNUICONNECTIONMODENOTIFIERIMP_H
+//  End of File
+
+