/*

* Copyright (c) 2002 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: 

*     Logs document class

*

*/

#ifndef     __Logs_App_CLogsDocument_H__

#define     __Logs_App_CLogsDocument_H__

//  INCLUDES

#include <AknDoc.h> 

#include <coemain.h>

#include <apgwgnam.h>

// CONSTANTS

// MACROS

// DATA TYPES

// FUNCTION PROTOTYPES

// FORWARD DECLARATIONS

class CAknApplication;

class CEikAppUi;

class CLogsEngine;

// CLASS DECLARATION

/**

 *  Logs document class. An object of this class is created by the Symbian OS 

 *  framework by a call to CLogsApplication::CreateDocumentL(). The document 

 *  object creates and owns the application engine and provides access to it by

 *  the Engine() function. The application framework creates the Logs 

 *  application UI object (CLogsAppUi) by a call to the virtual function 

 *  CreateAppUiL().

 */

class   CLogsDocument :	public CAknDocument, MCoeForegroundObserver

    {

    private:  // construction

        /**

         *  Constructor.

         *

         *  @param aApp The application object.

         */

        CLogsDocument( CAknApplication& aApp );

        /**

         *  Constructor, second phase. Creates the engine object.

         */

        void ConstructL();

    public:  // interface

        /**

         *  Standard creation function. Creates and returns a new object of

         *  this class.

         *  @param application reference

         *  @return new object

         */

        static CLogsDocument* NewL( CAknApplication& aApp );

        /**

         *  Destructor. Deletes the engine object.

         */

        ~CLogsDocument();

        /**

         *  Returns the pointer of the engine.

         *  @return iEngine

         */

        CLogsEngine* Engine();

    private: // from CEikDocument

        /**

         *  Creates and returns the Logs application UI object (CLogsAppUi).

         *  Called by the application framework.

         *

         *  @return new Logs application UI object

         *

         *  @exception KErrNoMemory if out of memory.

         *  @exception anything thrown by CLogsAppUi construction.

         */

        CEikAppUi* CreateAppUiL();  // Create the Logs Application UI object

	public:	// from MCoeForegroundObserver

		/**

		 * Handles the application coming to the foreground.

		 */

		void HandleGainingForeground();

		/**

		 * Leaving version of the HandleGainingForeground.

		 * Handles the application coming to the foreground.

		 */

		void HandleGainingForegroundL();

		/**

		 * Handles the application going into the background.

		 */

		void HandleLosingForeground();

		/**

		 * Leaving version of the HandleLosingForeground

		 * Handles the application going into the background.

		 */

		void HandleLosingForegroundL();

	public: // new methods

		/**

		 * Updates the task in fast swap windows

		 *

		 * @param aWgName the window group name

		 */

		void UpdateTaskNameL( CApaWindowGroupName* aWgName );

    private:  // data

        /// Own: Logs engine.

        CLogsEngine*    iEngine;

    };

#endif  // __Logs_App_CLogsDocument_H__

// End of File