emailuis/uicomponents/inc/fstextinputfieldobserver.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Thu, 19 Aug 2010 09:38:05 +0300
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/*
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* Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies). 
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:  Declaration of MFsTextInputFieldObserver interface
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*
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*/
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#ifndef M_FSFTEXTINPUTFIELDOBSERVER_H
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#define M_FSFTEXTINPUTFIELDOBSERVER_H
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class CFsTextInputField;
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/**
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 *  Observer interface for CFsTextInputField.
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 *  The observer is informed about changes in a text.
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 *  
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 */
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class MFsTextInputFieldObserver
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    {
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public:
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    /**
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     * ...
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     */
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    enum TFsTextInputEventType
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        {
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        EEventTextUpdated
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        };
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    /**
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     * This will be called when the user enters some text into the text
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     * input field. This will also called when the text input field is
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     * cleared.
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     *
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     * @param aTextInputField The text input field which invoked the method.
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     * @param aEventType The event passed to the observer.
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     */
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    IMPORT_C virtual void HandleTextInputEventL(
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                             CFsTextInputField* aTextInputField,
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                             TFsTextInputEventType aEventType )=0;
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    };
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#endif // M_FSFTEXTINPUTFIELDOBSERVER_H