--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/qtinternetradio/irqdiskspacewatcher/src/irqdiskspacewatcher.cpp	Mon Apr 19 14:01:53 2010 +0300
@@ -0,0 +1,176 @@
+/*
+* 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
+*
+*/
+
+#include <e32base.h>
+#ifdef USER_DEFINED_DISKSPACE
+#include <QFile>
+#include <QTextStream>
+#include <QStringList>
+#endif
+#include "irqdiskspacewatcher.h"
+#include "irqdiskspaceobserver.h"
+
+const TInt KIR_DEFAULT_CRITICAL_LEVEL = 3*1024*1024;    // 3MB
+
+#ifdef USER_DEFINED_DISKSPACE
+void getDiskSpaceCriticalLevel(qint64 & aLevel);
+#endif
+
+// ---------------------------------------------------------------------------
+// Constructor
+// ---------------------------------------------------------------------------
+//
+EXPORT_C IRQDiskSpaceWatcher::IRQDiskSpaceWatcher()
+       : iDiskSpaceObserver(NULL),
+         iDefaultLevel(KIR_DEFAULT_CRITICAL_LEVEL) 
+{
+#ifdef USER_DEFINED_DISKSPACE
+    getDiskSpaceCriticalLevel(iDefaultLevel);
+#endif    
+}
+
+// ---------------------------------------------------------------------------
+// Destructor
+// ---------------------------------------------------------------------------
+//
+EXPORT_C IRQDiskSpaceWatcher::~IRQDiskSpaceWatcher()
+{
+    delete iDiskSpaceObserver;
+    iDiskSpaceObserver = NULL;
+}
+
+
+// ---------------------------------------------------------------------------
+// IRQDiskSpaceWatcher::criticalLevel()
+// return critical level which is been observed.
+// ---------------------------------------------------------------------------
+//
+EXPORT_C qint64 IRQDiskSpaceWatcher::criticalLevel() const
+{
+    if(NULL != iDiskSpaceObserver)
+    {
+        return (qint64)(iDiskSpaceObserver->criticalLevel());
+    }
+    else
+    {
+        return -1;
+    }
+}
+
+
+// ---------------------------------------------------------------------------
+// IRQDiskSpaceWatcher::startMonitorDrive()
+// start monitoring disk space change
+// ---------------------------------------------------------------------------
+//
+EXPORT_C bool IRQDiskSpaceWatcher::startMonitorDrive(const qint64 aCriticalLevel)
+{
+    if(aCriticalLevel < 0)
+    {
+        return false;
+    }
+    
+    if(NULL == iDiskSpaceObserver)
+    {
+        TRAPD(err, iDiskSpaceObserver = IRQDiskSpaceObserver::NewL(this))
+        if(KErrNone != err)
+        {
+            return false;
+        }
+    }
+    
+    stopMonitorDrive();
+    iDiskSpaceObserver->start((TInt64)aCriticalLevel);
+    return true;
+}
+
+EXPORT_C bool IRQDiskSpaceWatcher::startMonitorDrive()
+{
+    return startMonitorDrive(iDefaultLevel);
+}
+// ---------------------------------------------------------------------------
+// IRQDiskSpaceWatcher::stopMonitorDrive()
+// stop monitoring disk space change
+// ---------------------------------------------------------------------------
+//
+EXPORT_C void IRQDiskSpaceWatcher::stopMonitorDrive()
+{
+    if(NULL != iDiskSpaceObserver)
+    {
+        iDiskSpaceObserver->Cancel();
+    }
+}
+
+// ---------------------------------------------------------------------------
+// IRQDiskSpaceWatcher::isBelowCriticalLevel()
+// ---------------------------------------------------------------------------
+//
+EXPORT_C bool IRQDiskSpaceWatcher::isBelowCriticalLevel( const qint64 aCriticalLevel )
+{
+    if(NULL == iDiskSpaceObserver)
+    {
+        TRAPD(err, iDiskSpaceObserver = IRQDiskSpaceObserver::NewL(this))
+        if(KErrNone != err)
+        {
+            return false;
+        }
+    }
+    
+    return iDiskSpaceObserver->isBelowCriticalLevel((TInt64)aCriticalLevel );
+}                               
+
+EXPORT_C bool IRQDiskSpaceWatcher::isBelowCriticalLevel()
+{
+    return isBelowCriticalLevel(iDefaultLevel);
+}
+
+// ---------------------------------------------------------------------------
+// From MIRQDiskSpaceObserver.
+// ---------------------------------------------------------------------------
+//
+void IRQDiskSpaceWatcher::notifyLowDiskSpace(const qint64 aCriticalLevel)
+{
+    emit diskSpaceLow(aCriticalLevel);
+}
+
+#ifdef USER_DEFINED_DISKSPACE
+void getDiskSpaceCriticalLevel(qint64 & aLevel)
+{
+    QFile file("C:\\data\\QTIRConfigure.txt");
+    if(file.open(QIODevice::ReadOnly)) 
+    {
+        QTextStream stream( &file );
+        QString line;
+        QStringList parameter;
+        while (!stream.atEnd())
+        {
+            line = stream.readLine();
+            parameter = line.split("=");
+            if (parameter.count() == 2)
+            {
+                if (parameter.first() == "diskSpaceCriticalLevel")
+                {
+                    QString level = parameter.last();
+                    aLevel = level.toLongLong();
+                    break;
+                }
+            }
+        }
+    }
+    file.close();
+}
+#endif