imagehandlingutilities/thumbnailmanager/thumbnailserver/src/tmshutdownobserver.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/imagehandlingutilities/thumbnailmanager/thumbnailserver/src/tmshutdownobserver.cpp Tue Jan 26 15:18:05 2010 +0200
@@ -0,0 +1,119 @@
+/*
+* Copyright (c) 2006-2007 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: Processor
+*
+*/
+
+
+#include <e32base.h>
+
+#include "tmshutdownobserver.h"
+#include "thumbnailmanagerconstants.h"
+
+// ---------------------------------------------------------------------------
+// CTMShutdownObserver::NewL()
+// ---------------------------------------------------------------------------
+//
+CTMShutdownObserver* CTMShutdownObserver::NewL( MTMShutdownObserver& aObserver,
+ const TUid& aKeyCategory,
+ const TInt aPropertyKey,
+ TBool aDefineKey)
+ {
+ CTMShutdownObserver* self = new( ELeave )CTMShutdownObserver( aObserver,
+ aKeyCategory,
+ aPropertyKey,
+ aDefineKey);
+ CleanupStack::PushL( self );
+ self->ConstructL();
+ CleanupStack::Pop( self );
+ return self;
+ }
+
+// ---------------------------------------------------------------------------
+// CTMShutdownObserver::CTMShutdownObserver()
+// ---------------------------------------------------------------------------
+//
+CTMShutdownObserver::CTMShutdownObserver( MTMShutdownObserver& aObserver,
+ const TUid& aKeyCategory,
+ const TInt aPropertyKey,
+ TBool aDefineKey)
+ : CActive( CActive::EPriorityStandard ), iObserver( aObserver ),
+ iKeyCategory( aKeyCategory ), iPropertyKey(aPropertyKey), iDefineKey( aDefineKey )
+ {
+ CActiveScheduler::Add( this );
+ }
+
+// ---------------------------------------------------------------------------
+// CTMShutdownObserver::ConstructL()
+// ---------------------------------------------------------------------------
+//
+void CTMShutdownObserver::ConstructL()
+ {
+ // define P&S property types
+ if (iDefineKey)
+ {
+ RProperty::Define(iKeyCategory,iPropertyKey,
+ RProperty::EInt,KAllowAllPolicy,KPowerMgmtPolicy);
+ }
+
+ // attach to the property
+ TInt err = iProperty.Attach(iKeyCategory,iPropertyKey,EOwnerThread);
+ User::LeaveIfError(err);
+
+ // wait for the previously attached property to be updated
+ iProperty.Subscribe(iStatus);
+ SetActive();
+ }
+
+// ---------------------------------------------------------------------------
+// CTMShutdownObserver::~CTMShutdownObserver()
+// ---------------------------------------------------------------------------
+//
+CTMShutdownObserver::~CTMShutdownObserver()
+ {
+ Cancel();
+ iProperty.Close();
+ }
+
+// ---------------------------------------------------------------------------
+// CTMShutdownObserver::RunL()
+// ---------------------------------------------------------------------------
+//
+void CTMShutdownObserver::RunL()
+ {
+ // resubscribe before processing new value to prevent missing updates
+ iProperty.Subscribe(iStatus);
+ SetActive();
+
+ // retrieve the value
+ TInt value = 0;
+ iProperty.Get(value);
+
+ // observer callback
+ if (value)
+ {
+ iObserver.ShutdownNotification();
+ }
+ }
+
+// ---------------------------------------------------------------------------
+// CTMShutdownObserver::DoCancel()
+// ---------------------------------------------------------------------------
+//
+void CTMShutdownObserver::DoCancel()
+ {
+ iProperty.Cancel();
+ }
+
+// End of file