--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/skins/AknSkins/srvinc/aknssrvinstallobserver.h	Thu Dec 17 09:14:12 2009 +0200
@@ -0,0 +1,108 @@
+/*
+* Copyright (c) 2004-2007 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:  Observer for installation changes.
+*
+*/
+
+
+#ifndef C_AKNSSRVFILEOBSERVER_H
+#define C_AKNSSRVFILEOBSERVER_H
+
+//  INCLUDES
+#include <e32base.h>
+#include <f32file.h>
+
+// CLASS DECLARATIONS
+
+/**
+*  And callback interface class for listening file server when new skin
+*  packages are installed.
+*  @since 2.6
+*/
+NONSHARABLE_CLASS(MAknsSrvFileObserver)
+    {
+    public:
+        virtual void NewSkinPackagesInstalled() = 0;
+        virtual void WallpaperLost() = 0;
+        virtual void SlideSetModifiedL() = 0;
+    };
+
+// Defines type of observer.
+enum TAknsSrvFileSrvObserverType
+    {
+    EAknsSrvNotDefined,
+    EAknsSrvDirObserver, // not used
+    EAknsSrvFileObsWallpaper, // not used
+    // Observer for slide set wallpaper ini-file.
+    EAknsSrvFileObsSlidesetWallpaper,
+    };
+
+/**
+*  An active object notification class for listening file server events
+*  when new skins are installed to the system.
+*
+*  @since 2.6
+*/
+NONSHARABLE_CLASS(CAknsSrvFileObserver) : public CActive
+    {
+    public:
+        /**
+        * Two-phased constructor.
+        */
+        static CAknsSrvFileObserver* NewL(MAknsSrvFileObserver* aObserver);
+        static CAknsSrvFileObserver* NewL(MAknsSrvFileObserver* aObserver,
+                                          const TDesC& aFilename);
+        /**
+        * Creates new instance of CAknsSrvFileObserver.
+        * @param aObserver observer.
+        * @param aFilename file to observer
+        * @param aObserverType type of observer -
+        *        see TAknsSrvFileSrvObserverType enum for types.
+        * @param aFilename filename to be observed.
+        */
+        static CAknsSrvFileObserver* NewL( MAknsSrvFileObserver* aObserver,
+                                           TAknsSrvFileSrvObserverType aObserverType,
+                                           const TDesC& aFilename );
+        /**
+        * Destructor.
+        */
+        ~CAknsSrvFileObserver();
+
+        void IssueRequest();
+    public: // From CActive
+
+        void RunL();
+        void DoCancel();
+    private: // Construction
+
+        /**
+        * C++ constructor.
+        */
+        CAknsSrvFileObserver(MAknsSrvFileObserver* aObserver);
+
+        /**
+        * By default Symbian 2nd phase constructor is private.
+        */
+        void ConstructL();
+    private:
+        RFs iFsSession;
+        MAknsSrvFileObserver* iObserver;
+        HBufC* iFilename;
+        // Type of observer - see TAknsSrvFileSrvObserverType.
+        TAknsSrvFileSrvObserverType iType;
+    };
+
+#endif    // C_AKNSSRVFILEOBSERVER_H
+
+// End of File