--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/commonservices/PlatformEnv/disknotifyhandler/inc/diskspacewatcher.h	Tue Feb 02 00:53:00 2010 +0200
@@ -0,0 +1,137 @@
+/*
+* Copyright (c) 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:  Class for disk space watcher
+*
+*/
+
+
+
+#ifndef C_DISK_SPACE_WATCHER_H
+#define C_DISK_SPACE_WATCHER_H
+
+//  INCLUDES
+#include <e32std.h>
+#include "diskwatcherbase.h"
+
+// CLASS DECLARATION
+/**
+* Class provides functionality of disk space watcher.
+*
+* @since S60 5.0
+*/
+NONSHARABLE_CLASS(CDiskSpaceWatcher) : public CDiskWatcherBase
+    {
+public:
+    /**
+    * This is a two-phase constructor method to create a new watcher instance.
+    *
+    * @since S60 5.0
+    * @param aCallback Reference to callback
+    * @param aFs Reference to open file server session
+    * @param aWatcherList Reference to watcher list
+    * @param aDrive A drive identifier to be watched
+    * @param aThreshold A threshold to be watched
+    * @return A pointer to a new watcher instance.
+    */
+    static CDiskSpaceWatcher* NewL(
+        MDiskNotifyHandlerCallback& aCallback,
+        RFs& aFs,
+        RPointerArray< CDiskSpaceWatcher >& aWatcherList,
+        TInt aDrive,
+        const TInt64& aThreshold );
+
+    /**
+    * Destructor.
+    */
+    ~CDiskSpaceWatcher();
+
+    /**
+    * Compare function for find functionality
+    *
+    * @since S60 5.0
+    * @param aDrive Pointer to drive identifier
+    * @param aWatcher Watcher to be compared
+    * @return Comparison result.
+    */
+    static TInt CompareFind(
+        const TInt* aDrive,
+        const CDiskSpaceWatcher& aWatcher );
+
+    // A class for the data used by find comparison
+    class TFindData
+        {
+        public:
+            // Drive identifier
+            TInt iDrive;
+            // Drive threshold
+            TInt64 iThreshold;
+        };
+
+    /**
+    * Compare function for find functionality
+    *
+    * @since S60 5.0
+    * @param aData Find data for comparison
+    * @param aWatcher Watcher to be compared
+    * @return Comparison result.
+    */
+    static TInt CompareFindData(
+        const TFindData* aData,
+        const CDiskSpaceWatcher& aWatcher );
+
+    /**
+    * Compare function for find functionality
+    *
+    * @since S60 5.0
+    * @param aWatcher1 Watcher to be compared
+    * @param aWatcher2 Watcher to be compared
+    * @return Comparison result.
+    */
+    static TInt CompareFindObject(
+        const CDiskSpaceWatcher& aWatcher1,
+        const CDiskSpaceWatcher& aWatcher2 );
+
+    /**
+    * Activates watcher manually
+    *
+    * @since S60 5.0
+    */
+    void Activate();
+
+private: // From CDiskWatcherBase
+    void WatcherError( TInt aError, const TBool& aKilled );
+    void ReactivateWatcher();
+    void RunWatcher( const TBool& aKilled );
+    void CancelWatcher();
+
+private:
+    CDiskSpaceWatcher(
+        MDiskNotifyHandlerCallback& aCallback,
+        RFs& aFs,
+        RPointerArray< CDiskSpaceWatcher >& aWatcherList,
+        TInt aDrive,
+        const TInt64& iThreshold );
+    void ConstructL();
+    void RemoveFromListAndDestroy();
+
+private:
+    RPointerArray< CDiskSpaceWatcher >& iWatcherList;
+    TInt iDrive;
+    TInt64 iThreshold;
+    };
+
+
+#endif // C_DISK_SPACE_WATCHER_H   
+
+// End of File