mmappcomponents/harvester/filehandler/inc/mpxdiskspacewatcher.h
changeset 0 a2952bb97e68
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mmappcomponents/harvester/filehandler/inc/mpxdiskspacewatcher.h	Thu Dec 17 08:55:47 2009 +0200
@@ -0,0 +1,99 @@
+/*
+* Copyright (c) 2006 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:  MPX Low Disk Space Watcher class
+*
+*/
+
+
+#ifndef CMPXDISKWATCHER_H
+#define CMPXDISKWATCHER_H
+
+#include <f32file.h>
+
+class MMPXDiskSpaceObserver;
+
+/**
+ *  Low disk space watcher for monitoring disk space
+ *
+ *  @lib mpxfilehandler.lib
+ *  @since S60 3.0
+ */
+NONSHARABLE_CLASS( CMPXDiskSpaceWatcher ) : public CActive
+    {
+public:
+
+    /**
+    * Two-phase constructor
+    * @param aFs File system session
+    * @param aDrive aDrive to monitor
+    * @param aObs Observer to the monitor class
+    */
+    static CMPXDiskSpaceWatcher* NewL( RFs& aFs, TInt aDrive,
+                                       MMPXDiskSpaceObserver& aObs );
+
+    /**
+    * destructor
+    */
+    virtual ~CMPXDiskSpaceWatcher();
+
+    /**
+    * Start monitoring for low disk events
+    */
+    void StartL();
+
+    /**
+    * Check if we are low on disk space
+    * @return ETrue if low on disk
+    */
+    TBool IsLowOnDisk();
+
+    /**
+     * Gets the currently monitored drive number
+     *
+     * @return Currectly monitored drive number
+     */
+     TInt CurrentDrive();
+
+protected:
+
+    /**
+    * Handle cancelling of active object request
+    */
+    void DoCancel();
+
+    /**
+    * Handle a change in event
+    */
+    void RunL();
+
+private:
+
+    /**
+    * Default Constructor
+    */
+    CMPXDiskSpaceWatcher( RFs& aFs, TInt aDrive,
+                          MMPXDiskSpaceObserver& aObs );
+
+    /**
+    * Standard two-phase constructor
+    */
+    void ConstructL();
+
+private: // data
+    RFs& iFs;             // Not owned
+    TInt iDriveToMonitor; // Drive to monitor
+    MMPXDiskSpaceObserver& iObs;
+    };
+
+#endif //CMPXDISKWATCHER_H