--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/camerauis/cameraapp/generic/inc/CamZoomUpdateManager.h	Wed Sep 01 12:30:54 2010 +0100
@@ -0,0 +1,117 @@
+/*
+* Copyright (c) 2003-2008 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:  ???????????????????
+*
+*/
+
+#ifndef CCAMZOOMUPDATEMANAGER_H
+#define CCAMZOOMUPDATEMANAGER_H
+
+// INCLUDES
+#include <e32base.h>
+#include "CamAppController.h" // for controller definition
+
+// FORWARD DECLARATIONS
+
+//CLASS DECLARATIONS
+
+/**
+*  Camera Zoom Update Class
+*
+*  Implements a cooldown period to avoid overtaxing the camera driver with touchscreen zoom updates.
+*
+*  @since 5.0
+*/
+class CCamZoomUpdateManager : public CActive
+    {
+    public: // constructors and destructor
+                
+        /**
+        * Two-phased constructor.
+        */
+        static CCamZoomUpdateManager* NewL( CCamAppController& aController );
+                
+        /**
+        * Destructor.
+        */
+        ~CCamZoomUpdateManager();
+        
+        /**
+        * From CActive Does the required action (calls the observer)
+        */
+        void SetZoomValue( TInt aValue );
+
+    protected: // from base classes
+
+        /**
+        * From CActive Does the required action (calls the observer)
+        */
+        void RunL();
+
+        /**
+        * From CActive Cancels pending actions
+        */
+        void DoCancel();
+
+    private: // constructor
+
+        /**
+        * C++ default constructor.
+        */
+        CCamZoomUpdateManager( CCamAppController& aController );
+
+        /**
+        * Symbian 2nd phase constructor
+        */
+        void ConstructL();
+        
+        /**
+        * Notify the controller and SetActive
+        */
+        void UpdateAndStartWait();
+        
+        /**
+        * Get delay values from cenrep
+        */
+        void ReadDelayValuesL();
+
+    private: // data
+        
+        // timer used to facilitate cooldown period
+        RTimer  iTimer;
+        
+        // time used to force update if active object gets starved
+        TTime iCooldownStart;
+        
+        // the value to give to the controller
+        TInt iValue; 
+        
+        // handle outstanding update requests
+        TBool iDelayedUpdate; 
+        
+        // reference to the controller used for setting the zoom
+        CCamAppController& iController;
+        
+        // Variated values for cooldown period inbetween 
+        // camera driver updates
+        TInt iCamZoomCooldown;
+        TInt iCamMaxZoomCooldown;
+
+    };
+
+#endif      
+            
+// End of File
+
+