diff -r 666f914201fb -r 2fe1408b6811 epoc32/include/mw/aknpreviewpopupcontentprovider.h
--- a/epoc32/include/mw/aknpreviewpopupcontentprovider.h	Tue Nov 24 13:55:44 2009 +0000
+++ b/epoc32/include/mw/aknpreviewpopupcontentprovider.h	Tue Mar 16 16:12:26 2010 +0000
@@ -1,1 +1,50 @@
-aknpreviewpopupcontentprovider.h
+/*
+* Copyright (c) 2005-2007 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the License "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members
+* which accompanies this distribution, and is available
+* at the URL "http://www.symbianfoundation.org/legal/licencesv10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:  Interface used for asynchronous content building for preview 
+*                popup.
+*
+*/
+
+
+#ifndef AKNPREVIEWPOPUPCONTENTPROVIDER_H
+#define AKNPREVIEWPOPUPCONTENTPROVIDER_H
+
+// CLASS DECLARATION
+
+/**
+*  Interface used for asynchronous content building for a preview popup.
+*
+*  @lib avkon.lib
+*  @since S60 3.2
+*/
+class MAknPreviewPopUpContentProvider
+    {
+    public: // New functions
+
+        /**
+        * Called by the preview popup controller when content building should be
+        * started.
+        */
+        virtual void StartContentBuildingL() = 0;
+        
+        /**
+        * Called by the preview popup controller if ongoing content building
+        * operation should be cancelled.
+        */
+        virtual void CancelContentBuilding() = 0;
+    };
+
+#endif // AKNPREVIEWPOPUPCONTENTPROVIDER_H
+
+//  End of File