messagingfw/alwaysonline/AlwaysOnlineManager/inc/AlwaysOnlineManagerDiskSpaceObserver.h
changeset 0 8e480a14352b
child 22 d2c4c66342f3
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/messagingfw/alwaysonline/AlwaysOnlineManager/inc/AlwaysOnlineManagerDiskSpaceObserver.h	Mon Jan 18 20:36:02 2010 +0200
@@ -0,0 +1,111 @@
+/*
+* Copyright (c) 2002 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: 
+*     CAlwaysOnlineDiskSpaceObserver declaration file
+*
+*
+*/
+
+
+#ifndef ALWAYSONLINEDISKSPACEOBSERVER_H
+#define ALWAYSONLINEDISKSPACEOBSERVER_H
+
+//  INCLUDES
+#include <e32base.h>
+#include <f32file.h>
+
+// FORWARD DECLARATIONS
+class CAlwaysOnlineManager;
+
+// CLASS DECLARATION
+
+/**
+* CAlwaysOnlineDiskSpaceObserver
+*/
+class CAlwaysOnlineDiskSpaceObserver : public CActive
+    {
+    public:  // Constructors and destructor
+        
+        /**
+        * Two-phased constructor.
+        *
+        * @param aManager A pointer to CAlwaysOnlineManager
+        * @param aFs A reference to file session
+        */
+        static CAlwaysOnlineDiskSpaceObserver* NewL( CAlwaysOnlineManager* aManager, 
+        											CMsvSession& aSession );
+        
+        /**
+        * Destructor.
+        */
+        virtual ~CAlwaysOnlineDiskSpaceObserver();
+
+    public: // New functions
+
+        /**
+        *
+        * @param aLimit The trigger limit in bytes
+        */
+        void SetLimitAndActivateL();
+
+    private:
+
+        /**
+        * Private C++ constructor.
+        *
+        * @param aManager A pointer to CAlwaysOnlineManager
+        * @param aFs A reference to file session
+        */
+        CAlwaysOnlineDiskSpaceObserver( CAlwaysOnlineManager* aManager, CMsvSession& aSession );
+
+    private:
+
+        /**
+        * From CActive
+        */
+        void RunL();
+
+        /**
+        * From CActive
+        */
+        void DoCancel();
+        
+        /**
+		* Function to handle error during running the operation
+		* @since Series60 2.6
+		* @return KErrNone, when error has been handled
+		*/
+		virtual TInt RunError( TInt aError );
+		
+    private: // New Functions
+    
+        /**
+        * Updates current disk limit
+        * @since Series60 3.0
+        */
+        void HandleLimitChange();
+
+    private: // Data
+
+        CAlwaysOnlineManager*   iWatcher;
+        CAlwaysOnlineManager&   iManager;
+        CMsvSession&            iSession;
+        TUint                   iNewLimit;
+        TUint                   iCurrentLimit;
+        
+    };
+
+#endif      // 
+            
+// End of File