--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/emailuis/emailui/inc/FSAsyncTextFormatter.h	Tue May 25 12:23:16 2010 +0300
@@ -0,0 +1,116 @@
+/*
+* 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 the License "Symbian Foundation License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.symbianfoundation.org/legal/sfl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description: Declaration of asynchronous text formatter.
+*
+*/
+
+#ifndef _CFSASYNCTEXTFORMATTER_H_
+#define _CFSASYNCTEXTFORMATTER_H_
+
+#include <e32base.h>
+
+class CTextLayout;
+
+/**
+ * Observer for informing about active object status.
+ */
+class MAsyncTextFormatterObserver
+    {
+public:
+
+    /**
+     * Called when text formatting is complete. 
+     */
+    virtual void FormatAllTextComplete() = 0;
+    
+    /**
+     * Called when text formatting was cancelled.
+     */
+    virtual void FormatAllTextCancelled() = 0;
+    };
+
+/**
+ * Asynchronous formatter of text from CTextLayout class.
+ */
+class CFSAsyncTextFormatter : public CActive
+    {
+public:
+    
+    /**
+     * NewL for two phase construction.
+     */
+    static CFSAsyncTextFormatter* NewL();
+    
+    /**
+     * Destructor.
+     */
+    virtual ~CFSAsyncTextFormatter();
+    
+    /**
+     * Starts active object (formatting).
+     * @param aTextLayout pointer to text layout which content needs to be 
+     *                    formatted
+     * @param aObserver observer which will be informed when formatting 
+     *                  finished or cancelled 
+     */
+    void StartFormatting( CTextLayout* aTextLayout, 
+            MAsyncTextFormatterObserver* aObserver );
+        
+private:
+    
+    /**
+     * constructor.
+     */
+    CFSAsyncTextFormatter();
+    
+    /**
+     * 2nd phase constructor can leave.
+     */
+    void ConstructL();
+    
+protected: // From CActive
+
+    /**
+     * From base class CActive
+     * Handles an active object's request completion event.
+     */
+    void RunL();
+    
+    /**
+     * From base class CActive
+     * Implements cancellation of an outstanding request.
+     */
+    void DoCancel();
+    
+private:
+    
+    /**
+     * Current position of formatted part of document.
+     */ 
+    TInt iCurrentDocPos;
+    
+    /**
+     * Observer which will be informed when formatting finished.
+     * Not own.
+     */ 
+    MAsyncTextFormatterObserver* iObserver;
+       
+    /**
+     * Text layout which contains text to be formatted.
+     * Not own.
+     */
+    CTextLayout* iTextLayout;
+    };
+
+#endif /* _CFSASYNCTEXTFORMATTER_H_ */