/*

* Copyright (c) 2007-2010 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:   This file contains the header file of the CIAUpdateManager class 

*

*/

#ifndef IA_UPDATE_MANAGER_H

#define IA_UPDATE_MANAGER_H

//INCLUDES

#include <e32base.h>

#include <e32std.h>

#include <coemain.h>

//FORWARD DECLARATIONS

class IAUpdateClient;

class CIAUpdateParameters;

class MIAUpdateObserver;

class CEikonEnv;

/**

 * CIAUpdateManager object provides methods for update actions.

 * Updating will be targeted to the update items that qualify the requirements

 * of CIAUpdateParameters objects. In asynchronous actions, the callback 

 * functions of MIAUpdateObserver objects will be informed about the progress 

 * of update actions.

 *

 * @see MIAUpdateObserver

 * @see CIAUpdateParameters

 * @see CIAUpdate

 *

 * @since S60 v3.2

 */

NONSHARABLE_CLASS( CIAUpdateManager ) : public CBase, public MCoeForegroundObserver

    {

public:

    static CIAUpdateManager* NewL( MIAUpdateObserver& aObserver );

    static CIAUpdateManager* NewLC( MIAUpdateObserver& aObserver );

    ~CIAUpdateManager();

    void CheckUpdates( const CIAUpdateParameters& aUpdateParameters );

    void ShowUpdates( const CIAUpdateParameters& aUpdateParameters );

    void UpdateQuery();

    void Update( const CIAUpdateParameters& aUpdateParameters );

private:

    CIAUpdateManager();

    void ConstructL( MIAUpdateObserver& aObserver );

    // Prevent these if not implemented

    CIAUpdateManager( const CIAUpdateManager& aObject );

    CIAUpdateManager& operator =( const CIAUpdateManager& aObject );

private: // Functions from MCoeForegroundObserver

	/**

	* Handles the application coming to the foreground.

	*/

	void HandleGainingForeground();

	/**

	* Handles the application going into the background.

	*/

	void HandleLosingForeground();

private: // data

    // Handles the client server communication.

    IAUpdateClient* iUpdateClient;

    CEikonEnv* iEikEnv; //not owned

    };

#endif // IA_UPDATE_IMPL_H