--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/qtinternetradio/irqsystemeventhandler/inc/irdiskspaceobserver.h Fri May 14 15:43:29 2010 +0300
@@ -0,0 +1,107 @@
+/*
+ * 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: Contains logic for watching certain disk's space
+ *
+ */
+
+#ifndef CIRDISKSPACEOBSERVER_H
+#define CIRDISKSPACEOBSERVER_H
+
+#include <e32base.h> // CActive
+#include <f32file.h> // RFs
+
+class MIRDiskSpaceObserverInterface;
+
+/**
+ * Defines disk space observer.
+ *
+ * Observers defined disk and notifies observer if disk space drops below
+ * certain level.
+ */
+class CIRDiskSpaceObserver : public CActive
+{
+
+public:
+
+ /**
+ * Static constructor
+ *
+ * @param aObserver Observer who is interested if disk
+ * space drops below certain level.
+ */
+ static CIRDiskSpaceObserver* NewL(MIRDiskSpaceObserverInterface* aObserver);
+
+ /**
+ * Destructor
+ */
+ ~CIRDiskSpaceObserver();
+
+ /**
+ * Start Monitoring
+ */
+ void Start(const TInt64 aCriticalLevel);
+
+ /**
+ * Tells observed critical level.
+ *
+ * @return critical level which is been observed by this session.
+ */
+ TInt64 CriticalLevel() const;
+
+ /**
+ * Returns whether or disk defined by parameter
+ * contains less than the critical level free disk space.
+ */
+ TBool IsBelowCriticalLevel(const TInt64 aCriticalLevel) const;
+
+protected:
+ /**
+ * From CActive
+ */
+ void DoCancel();
+ void RunL();
+
+private:
+
+ /**
+ * C++ constructor.
+ */
+ CIRDiskSpaceObserver(MIRDiskSpaceObserverInterface* aObserver);
+
+ /**
+ * Second phase constructor
+ */
+ void ConstructL();
+
+ void Run();
+
+private:
+
+ /**
+ * The observer to be notified when critical disk space limit is reached.
+ */
+ MIRDiskSpaceObserverInterface* iObserver;
+
+ /**
+ * Critical disk space level.
+ */
+ TInt64 iCriticalLevel;
+
+ /**
+ * Handle to the file system.
+ */
+ RFs iFs;
+};
+
+#endif // CIRDISKSPACEOBSERVER_H