--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/camerauis/cameraapp/generic/inc/CamDriveChangeNotifier.h	Wed Sep 01 12:30:54 2010 +0100
@@ -0,0 +1,186 @@
+/*
+* Copyright (c) 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 CAMDISKCHANGELISTENER_H
+#define CAMDISKCHANGELISTENER_H
+
+//  INCLUDES
+#include <f32file.h>
+#include "CamPropertyWatcher.h"
+#include "CamPropertyObserver.h"
+#include "CamTimer.h"
+
+// FORWARD DECLARATIONS
+class MCamDriveChangeNotifierObserver;
+
+// CLASS DECLARATION
+
+/**
+*  Mmc Change Notifier.
+*
+*  @since 5.0
+*/
+class MCamDriveChangeNotifierObserver
+    {
+    public:
+        enum TCamDriveChangeType
+            {
+            EDriveDismount,
+            EDriveMount,
+            EDriveUSBMassStorageModeOn,
+            EDriveUSBMassStorageModeOff
+            };
+            
+    public: // New functions
+
+        /**
+        * This method is used to notify changes.
+        */
+        virtual TInt DriveChangeL( TCamDriveChangeType aType ) = 0;
+        
+
+    protected:
+
+        /**
+        * Destructor.
+        */
+        virtual ~MCamDriveChangeNotifierObserver() {}
+
+    };
+
+/**
+*  Mmc Change Notifier.
+*
+*  @since 5.0
+*/
+class CCamDriveChangeNotifier : public CBase, 
+                                public MPropertyObserver
+
+    {
+    private:
+        class CCamDiskChangeListener : public CActive
+            {            
+            public:
+                static CCamDiskChangeListener* NewLC( 
+                     RFs& aFs,
+                     TDriveNumber aDrive,
+                     CCamDriveChangeNotifier& aObserver );
+                ~CCamDiskChangeListener();
+                
+                void Start();
+                void Stop();
+            
+            protected:
+                CCamDiskChangeListener( 
+                     RFs& aFs,
+                     TDriveNumber aDrive,
+                     CCamDriveChangeNotifier& aObserver );
+                
+            private:
+                /**
+                * From CActive
+                */
+                void DoCancel();
+
+                /**
+                * From CActive
+                */
+                void RunL();
+                
+            private:
+                RFs& iFs;
+                TDriveNumber iDrive;
+                CCamDriveChangeNotifier& iObserver;
+            };
+        
+    public:  // Constructors and destructor
+
+        /**
+        * Two-phased constructor.
+        */
+        static CCamDriveChangeNotifier* NewL(
+                                RFs& aFs,
+                                MCamDriveChangeNotifierObserver& aObserver  );
+
+        /**
+        * Destructor.
+        */
+        ~CCamDriveChangeNotifier();
+
+    public:
+        /**
+        * Called from listeners
+        */
+        TInt NotifyChangeL( 
+                MCamDriveChangeNotifierObserver::TCamDriveChangeType aType );
+
+        /**
+        * Called by the observer when pending dismount can be done.
+        */     
+        void SendAllowDismount();        
+
+        // New functions
+
+        void StartMonitoring();
+        
+        void CancelMonitoring();
+        
+        void USBTimerCallBackL();
+        
+        static TInt USBTimerCallBack( TAny* aPtr ); 
+
+    public: // From MPropertyObserver
+        /**
+        * The value of a watched property has changed
+        * @param aCategory The category of the property
+        * @param aKey the Identifier of the property
+        */    
+        void HandlePropertyChangedL( const TUid& aCategory, const TUint aKey );
+        
+    private:
+
+        /**
+        * C++ default constructor.
+        */
+        CCamDriveChangeNotifier( 
+                                RFs& aFs,
+                                MCamDriveChangeNotifierObserver& aObserver );
+        
+        void ConstructL();
+
+    private:    // Data
+        // Ref.
+        MCamDriveChangeNotifierObserver& iObserver;
+
+        // Ref. File server session
+        RFs& iFs;
+
+        RPointerArray<CCamDiskChangeListener> iListeners;
+        
+        CCamPropertyWatcher* iUsbMSWatcher;
+        
+        TBool iMassStorageModeOn;
+        
+        CCamTimer* iUSBTimer;
+
+    };
+
+#endif      // CAMDISKCHANGELISTENER_H
+
+// End of File