diff -r d189ee25cf9d -r 3533d4323edc meetingrequest/mrgui/src/cmrsystemnotifier.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/meetingrequest/mrgui/src/cmrsystemnotifier.cpp	Wed Sep 01 12:28:57 2010 +0100
@@ -0,0 +1,138 @@
+/*
+* Copyright (c) 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:  Field event queue implementation
+*
+*/
+
+#include "cmrsystemnotifier.h"
+#include "cesmrfieldeventqueue.h"
+#include "cesmrfieldcommandevent.h"
+#include "esmrdef.h"
+#include "emailtrace.h"
+
+#include <bacntf.h>
+
+// ======== MEMBER FUNCTIONS ========
+
+// ---------------------------------------------------------------------------
+// CMRSystemNotifier::CESMRFieldEventQueue
+// ---------------------------------------------------------------------------
+//
+CMRSystemNotifier::CMRSystemNotifier( CESMRFieldEventQueue& aEventQueue )
+:   iEventQueue( aEventQueue )
+    {
+    FUNC_LOG;
+    }
+
+// ---------------------------------------------------------------------------
+// CMRSystemNotifier::CESMRFieldEventQueue
+// ---------------------------------------------------------------------------
+//
+CMRSystemNotifier::~CMRSystemNotifier()
+    {
+    FUNC_LOG;
+    delete iSystemNotifier;
+    }
+
+// ---------------------------------------------------------------------------
+// CMRSystemNotifier::CESMRFieldEventQueue
+// ---------------------------------------------------------------------------
+//
+CMRSystemNotifier* CMRSystemNotifier::NewL( 
+            CESMRFieldEventQueue& aEventQueue )
+    {
+    FUNC_LOG;
+    CMRSystemNotifier* self = new (ELeave) CMRSystemNotifier( aEventQueue );
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    CleanupStack::Pop( self );
+    return self;
+    }
+
+// ---------------------------------------------------------------------------
+// CMRSystemNotifier::CESMRFieldEventQueue
+// ---------------------------------------------------------------------------
+//
+void CMRSystemNotifier::ConstructL()
+    {
+    FUNC_LOG;
+    }
+
+// ---------------------------------------------------------------------------
+// CMRSystemNotifier::CESMRFieldEventQueue
+// ---------------------------------------------------------------------------
+//
+void CMRSystemNotifier::StartL()
+    {
+    FUNC_LOG;
+    
+    if ( !iSystemNotifier )
+        {
+        TCallBack envCallback( EnvChangeCallbackL, this );
+        
+        iSystemNotifier = 
+                CEnvironmentChangeNotifier::NewL(
+                        EPriorityNormal,
+                        envCallback );
+        
+        iSystemNotifier->Start();
+        }    
+    }
+
+// ---------------------------------------------------------------------------
+// CMRSystemNotifier::CESMRFieldEventQueue
+// ---------------------------------------------------------------------------
+//
+void CMRSystemNotifier::Stop()
+    {
+    FUNC_LOG;
+    delete iSystemNotifier;
+    iSystemNotifier = NULL;
+    }
+
+// ---------------------------------------------------------------------------
+// CMRSystemNotifier::CESMRFieldEventQueue
+// ---------------------------------------------------------------------------
+//
+TInt CMRSystemNotifier::EnvChangeCallbackL( TAny* aThisPtr )
+    {
+    CMRSystemNotifier* thisObject = static_cast<CMRSystemNotifier*>(aThisPtr);
+
+    ASSERT( thisObject );
+    
+    thisObject->DoEnvChangeL();
+    
+    return KErrNone;
+    }
+
+// ---------------------------------------------------------------------------
+// CMRSystemNotifier::DoEnvChangeL
+// ---------------------------------------------------------------------------
+//
+void CMRSystemNotifier::DoEnvChangeL()
+    {
+    FUNC_LOG;
+    
+    // EChangesLocale
+    TInt change( iSystemNotifier->Change() );
+    
+    if ( EChangesLocale & change )
+        {
+        // Broadcast MRUI event
+        iEventQueue.NotifyEventAsyncL( 
+                CESMRFieldCommandEvent::NewL( NULL, EMRCmdDoEnvironmentChange) );
+        }
+    }
+
+// EOF