/*

* Copyright (c) 2004-2005 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:  

*     See class description below

*

*/

#ifndef __LANDMARKS_APPUI_H__

#define __LANDMARKS_APPUI_H__

#include "LandmarksOperationObserver.h"

#include <aknViewAppUi.h>

#include <AknProgressDialog.h>

#include <AknTabObserver.h> 

class CLandmarksApplicationEngine;

class CLandmarksCategoriesView;

class CAknNavigationDecorator;

class CLandmarksListView;

class CAknProgressDialog;

class CLandmarksAppUi : 

    public CAknViewAppUi, 

    public MLandmarksOperationObserver, 

    public MAknTabObserver,

    public MProgressDialogCallback

    {

    public:

        CLandmarksAppUi();

        void ConstructL();

        ~CLandmarksAppUi();

    public: // from CAknViewAppUi

        void HandleCommandL(TInt aCommand);

        TKeyResponse HandleKeyEventL( const TKeyEvent& aKeyEvent, TEventCode aType);

        void HandleResourceChangeL( TInt aType );

    public: // from MLandmarksOperationObserver

        /**

        * NotifyOperationProgressL notifies the progress and status of an

        * asynchronous operation.

        *  

        * @param aOperation the type of operation that is reported.

        * @param aProgress the progress of the operation.

        * @param aErrorCode the status of the operation.

        */

        void NotifyOperationProgressL(

            TOperation aOperation, 

            TInt aProgress, 

            TInt aErrorCode);

    public: // from MAknTabObserver

        /** Called by NaviDecorator when tab is changed

        * @param aIndex new tab seleected

        */

        void TabChangedL(TInt aIndex);

    public: // from MProgressDialogCallback

        /**

        * Called when the dialog has been dismissed.

        * 

        * @param aButtonId the button that was pressed to dismiss the dialog.

        */

        void DialogDismissedL(TInt aButtonId);

    private:

        /**

        * Performs the construction phase of this object that is dependent 

        * that the application engine is initialized.

        */

        void PostConstructL();

        /**

        * Launches a progress dialog displayed when the default landmark 

        * database is initialized.

        */

        void LaunchProgressDialogL();

    private: // Data

        //! decorates the navi pane (with navigation arrows etc)

        CAknNavigationDecorator* iNaviDecorator;

        //! the application engine

        CLandmarksApplicationEngine* iEngine;

        /** displays a progress bar when initializing the 

            default landmark database. */

        CAknProgressDialog* iProgressDialog;

        /** indicates if exit has been pressed before the 

            progressDialog is fully deleted */

        TBool iDelayedExit;

    };

#endif // __LANDMARKS_APPUI_H__