--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mmappfw_plat/mpx_common_api/inc/mpxpluginmonitor.h	Thu Dec 17 08:55:47 2009 +0200
@@ -0,0 +1,129 @@
+/*
+* Copyright (c) 2006 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:  Plugin monitor
+*
+*/
+
+
+#ifndef CMPXPLUGINMONITOR_H
+#define CMPXPLUGINMONITOR_H
+
+#include <ecom/ecom.h>
+#include <badesca.h>
+#include <mpxpluginmonitorobserver.h>
+
+/**
+*  Monitors a designated plugin interface. When a plugin for that interface is
+*  added or removed, if a client is interested in the event, client will be
+*  notified through MMPXPluginMonitorObserver interface.
+*
+*  @lib mpxcommon.lib
+*/
+class CMPXPluginMonitor : public CActive
+    {
+
+public:
+    /**
+    *  Two-phased constructor.
+    *
+    *  @since S60 3.2.3
+    *  @param aInterfaceUid The UID of the plugin interface to be monitored by
+    *                       this instance of CMPXPluginMonitor
+    *  @return Constructed object
+    */
+    IMPORT_C static CMPXPluginMonitor* NewL(const TUid& aInterfaceUid);
+
+    /**
+    *  Destructor.
+    *
+    *  @since S60 3.2.3
+    */
+    IMPORT_C ~CMPXPluginMonitor();
+
+    /**
+    *  Add a observer.
+    *
+    *  @since S60 3.2.3
+    *  @param aObs observer to be added
+    */
+    void AddObserverL(MMPXPluginMonitorObserver& aObs);
+
+    /**
+    *  Remove a observer.
+    *
+    *  @since S60 3.2.3
+    *  @param aObs observer to be removed
+    */
+    void RemoveObserverL(MMPXPluginMonitorObserver& aObs);
+
+    /**
+    *  Request to notify all observers that they should unload a specified plugin
+    *  because it is being updated.
+    *
+    *  @since S60 3.2.3
+    *  @param aPluginUid plugin that is being updated
+    */
+    void NotifyUnload(const TUid& aPluginUid);
+
+private:
+
+    /**
+    *  2nd phase contructor.
+    *
+    *  @since S60 3.2.3
+    */
+    void ConstructL();
+
+    /**
+    *  C++ constructor.
+    *
+    *  @since S60 3.2.3
+    *  @param aInterfaceUid The UID of the plugin interface to be monitored by
+    *                       this instance of CMPXPluginMonitor
+    */
+    CMPXPluginMonitor(const TUid& aInterfaceUid);
+
+    /**
+    *  From CActive.
+    *  Handles an active object's request completion event.
+    *
+    *  @since S60 3.2.3
+    */
+    void RunL();
+
+    /**
+    *  From CActive.
+    *  Handles a leave occurring in the request completion event handler RunL().
+    *
+    *  @since S60 3.2.3
+    *  @param aError error code
+    *  @return system error code
+    */
+    TInt RunError(TInt aError);
+
+    /**
+    * From CActive.
+    * Implements cancellation of an outstanding request.
+    *
+    * @since S60 3.2.3
+    */
+    void DoCancel();
+
+private:
+    TUid iInterfaceUid;
+    RPointerArray<MMPXPluginMonitorObserver> iObservers;  // items not owned
+    REComSession iECs;
+    };
+
+#endif // CMPXPLUGINMONITOR_H