--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/qtinternetradio/irqdiskspacewatcher/inc/irqdiskspacewatcher.h	Mon Apr 19 14:01:53 2010 +0300
@@ -0,0 +1,91 @@
+/*
+* 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:  Disk space watcher, information about low disk space.
+*
+*/
+
+
+#ifndef IRQDISKSPACEWATCHER_H_
+#define IRQDISKSPACEWATCHER_H_
+
+#include <QObject>
+#include <QtGlobal>
+
+#include "irqdiskspaceobserverinterface.h"  // MIRQDiskSpaceObserver
+
+class IRQDiskSpaceObserver;
+
+class IRQDiskSpaceWatcher : public QObject, 
+                            public MIRQDiskSpaceObserver
+{
+    Q_OBJECT
+    
+public:
+    /*!
+     * Constructor.
+     */
+    IMPORT_C IRQDiskSpaceWatcher();
+    
+    /*!
+     * Destructor.
+     */    
+    IMPORT_C ~IRQDiskSpaceWatcher();
+
+public:   
+    /*!
+     *  start monitoring disk space change
+     *  @param aCriticalLevel critical level which is been observed.
+     *                        can NOT less than 0
+     */
+    IMPORT_C bool startMonitorDrive(const qint64 aCriticalLevel);
+                                    
+    IMPORT_C bool startMonitorDrive();
+                                    
+    /*!
+     *  stop monitoring disk space change
+     */    
+    IMPORT_C void stopMonitorDrive();
+
+    /**
+     * @return critical level which is been observed.
+     *         if -1 is returned, indicates watcher can NOT work
+     */
+    IMPORT_C qint64 criticalLevel() const;
+    
+                                           
+    /**
+     * Returns whether or disk defined by parameter 
+     * contains less than the critical level free disk space.
+     *
+     * @param aCriticalLevel critical level which is been observed.
+     * @return true if there is less free disk space than the critical 
+     * level, otherwise false.
+     */
+    IMPORT_C bool isBelowCriticalLevel(const qint64 aCriticalLevel );
+    IMPORT_C bool isBelowCriticalLevel();    
+public:      
+    /*!
+     * From MIRQDiskSpaceObserver.
+     */  
+    void notifyLowDiskSpace(const qint64 aCriticalLevel);
+
+signals:
+    void diskSpaceLow(qint64 aCriticalLevel); 
+
+private:
+    IRQDiskSpaceObserver*  iDiskSpaceObserver;
+    qint64  iDefaultLevel;
+};
+
+#endif // IRQDISKSPACEWATCHER_H_