--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/sysstatemgmt/systemstatemgr/cmn/src/ssmstatemonitor.cpp Tue Feb 02 00:53:00 2010 +0200
@@ -0,0 +1,112 @@
+// Copyright (c) 2007-2009 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:
+//
+
+#include <ssm/ssmstateawaresession.h>
+#include "ssmstatemonitor.h"
+#include "cmnpanic.h"
+#include "ssmdebug.h"
+
+/**
+
+ */
+CSsmStateMonitor* CSsmStateMonitor::NewL(CSsmStateAwareSession& aObserver, TDmDomainId aId)
+ {
+ CSsmStateMonitor* self = new (ELeave) CSsmStateMonitor(aObserver);
+ CleanupStack::PushL(self);
+ self->ConstructL(aId);
+ CleanupStack::Pop(self);
+ return self;
+ }
+
+/**
+
+ */
+CSsmStateMonitor::CSsmStateMonitor(CSsmStateAwareSession& aObserver) :
+ CActive(CActive::EPriorityStandard),
+ iObserver(aObserver)
+ {
+ CActiveScheduler::Add(this);
+ }
+
+/**
+
+ */
+CSsmStateMonitor::~CSsmStateMonitor()
+ {
+ Cancel();
+ iSas.Close();
+ }
+
+/**
+
+ */
+void CSsmStateMonitor::ConstructL(TDmDomainId aId)
+ {
+ SSMLOGLEAVEIFERROR(iSas.Connect(aId)); //will leave in release builds as well
+
+ //Setup change subscription
+ iStatus = KRequestPending;
+ iSas.RequestStateNotification(iStatus);
+ SetActive();
+
+ //Read current state and store locally
+ iState = iSas.State();
+ }
+
+/**
+
+ */
+void CSsmStateMonitor::DoCancel()
+ {
+ iSas.RequestStateNotificationCancel();
+ }
+
+/**
+
+ */
+void CSsmStateMonitor::RunL()
+ {
+ SSMLOGLEAVEIFERROR(iStatus.Int());
+
+ //Re-issue a subscription request before retrieving the current value
+ iStatus = KRequestPending;
+ iSas.AcknowledgeAndRequestStateNotification(KErrNone, iStatus);
+ SetActive();
+
+ //Update local copy
+ iState = iSas.State();
+
+ //Notify our clients
+ iObserver.NotifySubscribers(iState);
+ }
+
+/**
+@panic ECmnStateMonError1 if an error occurs in RunL
+ */
+TInt CSsmStateMonitor::RunError(TInt aError)
+ {
+ iSas.AcknowledgeStateNotification(aError);
+ DEBUGPRINT2A("CSsmStateMonitor::RunError: %d", aError);
+ User::Panic(KPanicSsmCmn, ECmnStateMonError1); //A panic here is easier to track than a panic in CActiveScheduler
+ return aError; //lint !e527 Unreachable
+ }
+
+/**
+
+ */
+TSsmState CSsmStateMonitor::State() const
+ {
+ return iState;
+ }