/*

* Copyright (c) 2008-2009 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:   Singleton that posts errors to the framework

*

*/

#ifndef GLXERRORPOSTER_H_

#define GLXERRORPOSTER_H_

#include <e32base.h>

/**

 * CGlxErrorPoster

 * Posts errors to the framework.

 * (Causes a Leave() to occur from a RunL())

 *

 * @author Alex Birkett

 */

NONSHARABLE_CLASS(CGlxErrorPoster) : public CActive

    {

public:

    /**

     * Provides instance of error poster and increments ref count

     */

    IMPORT_C static CGlxErrorPoster* InstanceL();

    /**

     * Removes instance of error poster and decrements ref count

     */

    IMPORT_C void Close();

    /**

     * Post an error

     * The error is stored in a member variable and providing the

     * active object is not already active, a call back to RunL()

     * is requested. When called by the active scheduler RunL()

     * leaves with the error code stored in the member variable. 

     * This causes a dialog displaying an error note to be invoked

     * by the framework.

     *

     * @param aError Error to post

     */

    IMPORT_C void PostError(TInt aError);

public: // from CActive

    /** See @ref CActive::RunL */

    void RunL();

    /** See @ref CActive::DoCancel */

    void DoCancel();

private:

    /**

     * Two phase constructor

     */

    static CGlxErrorPoster* NewL();

    /**

     * Constructor

     */

    CGlxErrorPoster();

    /**

     * Destructor

     */

  	~CGlxErrorPoster();

    /**

     * 2nd phase constructor

     */

    void ConstructL();

private:

    /**

     * latest error

     */

    TInt iLatestError;

    };

#endif /*GLXERRORPOSTER_H_*/