/*

* 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:    LandmarksUi Content File -    Application UI class for Landmark message viewer.

*

*/

#ifndef CLMKMSGVIEWERAPPUI_H

#define CLMKMSGVIEWERAPPUI_H

// INCLUDES

#include "MLmkAOOperationObserver.h"

#include <aknappui.h>

// FORWARD DECLARATIONS

class CLmkParser;

class CPosLandmarkDatabase;

class CAknWaitDialog;

class CLmkSender;

class CLmkMsgViewerAppView;

// CLASS DECLARATION

/**

* Application UI class for Landmark message viewer.

*/

class CLmkMsgViewerAppUi

: public CAknAppUi,

  public MLmkAOOperationObserver

    {

    public: // Constructors and destructor

        /**

         * C++ default constructor.

         */

        void ConstructL();

        /**

         * Destructor.

         */

        ~CLmkMsgViewerAppUi();

    public: // from CCoeControl

      /*

       * Helper function to implement the dynamic resource changes

       */

      void HandleResourceChangeL(TInt aType);

    public: // New functions

        TBool ProcessCommandParametersL( TApaCommand aCommand,

	                                     TFileName& aDocumentName,

	                                     const TDesC8& aTail );

        /**

        * Opens a landmark package file and starts processing it.

        * @param aFilename full file name

        */

        void OpenL( const TDesC& aFilename );

        // Added for FILE_HANDLE change

        void OpenL(RFile& aFile);

        /**

        * Returns a reference to landmark sender.

        * @return landmark sender

        */

        CLmkSender& LmkSender() const;

    protected: // From MLmkAOOperationObserver

        void HandleOperationL( TOperationTypes aType,

                               TReal32 aProgress,

                               TInt aStatus );

    private: // From CEikAppUi

        void HandleCommandL( TInt aCommand );

		void OpenFileL( const TDesC& aFileName );

        // Added for FILE_HANDLE change

        void OpenFileL( RFile& aFilHandle );

    private: // New functions

        /**

        * Helper function which performs the steps following

        * database initialization.

        * @param aStatus result of db initialization

        */

        void HandleDbInitFinishedL( TInt aStatus );

        /**

        * Helper function which performs the steps following

        * asynchronous parse operation.

        * @param aStatus result of parse operation

        */

        void HandleParseFinishedL( TInt aStatus );

        /**

        * Helper function which creates and executes a landmark viewer.

        */

        void ExecuteLmViewerL();

        /**

        * Helper function which creates and executes a lm package viewer.

        */

        void ExecutePkgViewerL();

        /**

        * Used to callback by the idle timer in order to launch the dialog

        * @since 3.0

        */

        static TInt CallBackFuncL(TAny *aPtr);

        /**

        * This function accesses the document and launches the content

        * using the UI Dialog.

        * return: ETrue When file handle is not valid

        *         EFalse When file handle is valid

        * @since 3.0

        */

        TBool LaunchDialogL();

        /**

        * This function closes wait note.

        * @since 3.0

        */

        void CloseWaitNoteL();

        /** Common part of both OpenL(...) */

        void DoOpenL();

    private: //Data

        /// Owns: parser

        CLmkParser* iParser;

        /// Owns: landmark database

        CPosLandmarkDatabase* iDb;

        /// Owns: wait dialog

        CAknWaitDialog* iWaitDialog;

        /// Owns: landmark sender

        CLmkSender* iLmkSender;

        /// Owns: empty view

        CLmkMsgViewerAppView* iAppView;

        CPeriodic* iIdleTimer;

        /// result of parsing

        TBool iDataReadyForView;

        //

        TBool iIsDbOpen;

    };

#endif // CLMKMSGVIEWERAPPUI_H

// End of File