/*

* Copyright (c) 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:  Manages note showing in UI

*

*/

#ifndef C_CDUNNOTEHANDLER_H

#define C_CDUNNOTEHANDLER_H

#include <e32base.h>

#include <dunutils.rsg>

#include <AknGlobalConfirmationQuery.h>

#include <data_caging_path_literals.hrh>

#include "DunTransporter.h"

/**

 *  Class for managing note showing in UI

 *

 *  @lib dunutils.lib

 *  @since S60 v3.2

 */

NONSHARABLE_CLASS( CDunNoteHandler ) : public CActive

    {

public:

    /**

     * Two-phased constructor.

     * @return Instance of self

     */

	static CDunNoteHandler* NewL();

    /**

    * Destructor.

    */

    virtual ~CDunNoteHandler();

    /**

     * Resets data to initial values

     *

     * @since S60 3.2

     * @return None

     */

    void ResetData();

    /**

     * Issues request to start showing UI note

     *

     * @since S60 3.2

     * @return Symbian error code on error, KErrNone otherwise

     */

    TInt IssueRequest();

    /**

     * Stops showing UI note

     *

     * @since S60 3.2

     * @return Symbian error code on error, KErrNone otherwise

     */

    TInt Stop();

private:

    CDunNoteHandler();

    void ConstructL();

    /**

     * Initializes this class

     *

     * @since S60 3.2

     * @return None

     */

    void Initialize();

    /**

     * Issues request to start showing UI note

     *

     * @since S60 3.2

     * @return None

     */

    void DoIssueRequestL();

    /**

     * Reads resource text

     *

     * @since S60 3.2

     * @param aResourceId Resource ID to read

     * @param aUnicode Buffer containing the note string to show

     * @return None

     */

    void ReadResourceTextL( TInt aResourceId, HBufC16*& aUnicode );

// from base class CActive

    /*

     * From CActive.

     * Gets called when UI note dismissed

     *

     * @since S60 3.2

     * @return None

     */

    void RunL();

    /**

     * From CActive.

     * Gets called on cancel

     *

     * @since S60 3.2

     * @return None

     */

    void DoCancel();

private:  // data

    /**

     * Note to show

     */

    CAknGlobalConfirmationQuery* iNote;

    /**

     * Current state of note showing: active or inactive

     */

    TDunState iNoteState;

    };

#endif  // C_CDUNNOTEHANDLER_H