--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mpx/commonframework/common/src/mpxpluginmonitor.cpp	Thu Dec 17 08:55:47 2009 +0200
@@ -0,0 +1,164 @@
+/*
+* 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
+*
+*  An instance of CMPXPluginMonitor monitors plugins for the designated
+*  plugin interface. When a plugin for that plugin interface is added or
+*  removed from the system, CMPXPluginMonitor is notified. CMPXPluginMonitor
+   notifies its client through MMPXPluginMonitorObserver if any changes of plugin.
+*
+*
+*/
+
+
+
+#include <bamdesca.h>
+#include <badesca.h>
+#include <uri16.h>
+#include <apgcli.h>
+
+#include <mpxlog.h>
+#include <mpxuser.h>
+#include "mpxpluginmonitor.h"
+
+
+// ============================ MEMBER FUNCTIONS ==============================
+// ----------------------------------------------------------------------------
+// Two-phased constructor.
+// ----------------------------------------------------------------------------
+//
+EXPORT_C CMPXPluginMonitor* CMPXPluginMonitor::NewL(
+    const TUid& aInterfaceUid)
+    {
+    CMPXPluginMonitor* self = new(ELeave)CMPXPluginMonitor(aInterfaceUid);
+    CleanupStack::PushL(self);
+    self->ConstructL();
+    CleanupStack::Pop(self);
+    return self;
+    }
+
+// ----------------------------------------------------------------------------
+// Constructor.
+// ----------------------------------------------------------------------------
+//
+CMPXPluginMonitor::CMPXPluginMonitor(
+    const TUid& aInterfaceUid)
+:   CActive(EPriorityStandard),
+    iInterfaceUid(aInterfaceUid)
+    {
+    CActiveScheduler::Add(this);
+    }
+
+// ----------------------------------------------------------------------------
+// 2nd phase constructor.
+// ----------------------------------------------------------------------------
+//
+void CMPXPluginMonitor::ConstructL()
+    {
+    iECs = REComSession::OpenL();
+    iECs.NotifyOnChange(iStatus);
+    SetActive();
+    }
+
+// ----------------------------------------------------------------------------
+// Destructor.
+// ----------------------------------------------------------------------------
+//
+EXPORT_C CMPXPluginMonitor::~CMPXPluginMonitor()
+    {
+    Cancel();
+    iObservers.Reset();
+    iObservers.Close();
+    iECs.Close();
+    REComSession::FinalClose();
+    }
+
+// ----------------------------------------------------------------------------
+// CMPXPluginMonitor::AddObserverL
+// ----------------------------------------------------------------------------
+//
+void CMPXPluginMonitor::AddObserverL(MMPXPluginMonitorObserver& aObs)
+    {
+    iObservers.AppendL(&aObs);
+    }
+
+// ----------------------------------------------------------------------------
+// CMPXPluginMonitor::RemoveObserverL
+// ----------------------------------------------------------------------------
+//
+void CMPXPluginMonitor::RemoveObserverL(MMPXPluginMonitorObserver& aObs)
+    {
+    TInt i=iObservers.FindL(&aObs);
+    iObservers.Remove(i);
+    }
+
+// ----------------------------------------------------------------------------
+// CMPXPluginMonitor::NotifyUnload
+// ----------------------------------------------------------------------------
+//
+void CMPXPluginMonitor::NotifyUnload(
+    const TUid& aPluginUid)
+    {
+    // notify client
+    for (TInt i = iObservers.Count(); --i >= 0;)
+        {
+        iObservers[i]->HandlePluginUnload(aPluginUid);
+        }
+    }
+
+// ----------------------------------------------------------------------------
+// Handles request completion event
+// ----------------------------------------------------------------------------
+//
+void CMPXPluginMonitor::RunL()
+    {
+    MPX_DEBUG_THREAD("CMPXPluginMonitor::RunL");
+    MPX_DEBUG2("CMPXPluginMonitor::RunL interface id 0x%08x", iInterfaceUid.iUid);
+    iECs.NotifyOnChange(iStatus);
+    SetActive();
+    // notify client
+    for (TInt i = iObservers.Count(); --i >= 0;)
+        {
+        iObservers[i]->PluginsChangedL();
+        }
+    }
+
+// ----------------------------------------------------------------------------
+// Handles a leave occurring in the request completion event handler RunL()
+// ----------------------------------------------------------------------------
+//
+TInt CMPXPluginMonitor::RunError(TInt aError)
+    {
+    (void)aError;
+    MPX_DEBUG_THREAD("CMPXPluginMonitor::RunError");
+    MPX_DEBUG3("CMPXPluginMonitor::RunError interface id 0x%08x, error",
+               iInterfaceUid.iUid, aError);
+    // Restart observer
+    iECs.NotifyOnChange(iStatus);
+    SetActive();
+    return KErrNone;
+    }
+
+// ----------------------------------------------------------------------------
+// Implements cancellation of an outstanding request.
+// ----------------------------------------------------------------------------
+//
+void CMPXPluginMonitor::DoCancel()
+    {
+    MPX_DEBUG_THREAD("CMPXPluginMonitor::DoCancel");
+    MPX_DEBUG2("CMPXPluginMonitor::DoCancel interface id 0x%08x", iInterfaceUid.iUid);
+    iECs.CancelNotifyOnChange(iStatus);
+    }
+
+// End of file