/*

* Copyright (c) 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: 

*

*/

#ifndef ENGINEWRAPPER_H

#define ENGINEWRAPPER_H

#include <e32std.h>

#include <e32base.h>

#include <badesca.h>

#include <engine.h>

 #include <QObject> // for iProgressNote signal connect

class MainView;

class MemoryDetails;

class HbProgressDialog;

class HbPopup;

class HbCommonNote;

/**

 * class that is used for communicating between Symbian and Qt code.

 */

class EngineWrapper : public QObject

 { 

	Q_OBJECT

public:

    /**

     * Constructor

     */

    EngineWrapper();

    /**

     * Destructor

     */

    ~EngineWrapper();

    /**

     * Initializes Engine Wrapper

     * @return true if engine was started successfully

     */

    bool init();

	/**

	* Get memory details

	*/

	MemoryDetails GetMemoryDetails();

public: 

    /* Functions that are called from UI */

	bool ExecuteOptionsMenuCommand(int commandId);

public:

    /* Functions that are called from engine: */

	/** 

     * uses Notifications class to show error message 

     */

    void ShowErrorMessage(const TDesC& aErrorMessage);

    /**

     * uses Notifications class to show progressbar

     */

    void ShowProgressBar(const TDesC& aPrompt, int aMax);

	/**

	* uses Notifications class to show user note

	*/

	void ShowNote(const TDesC& aNoteMessage, TInt aResourceId = 0);

    /**

     * increments shown progressbar's value

     */

    void IncrementProgressbarValue();

    /**

     * closes progressbar

     */

    void CloseProgressbar();	

	/**

	* Create entries query dialog

	*/

	TBool EntriesQueryDialog(TInt& aNumberOfEntries, const TDesC& aPrompt, TBool aAcceptsZero = EFalse);

	/**

	* Create time query dialog

	*/    

    TBool TimeQueryDialog(TTime aTime, const TDesC& aPrompt);

	/**

	* Create yes or no query dialog

	*/    

    TBool YesNoQueryDialog(const TDesC& aPrompt);

	/**

	* Popup list dialog for selecting item from dialog list

	*/

	bool PopupListDialog(const TDesC& aPrompt, CDesCArray* aFileNameArray, TInt& aIndex); 

	/**

	* Directory query dialog

	*/

	bool DirectoryQueryDialog(const TDesC& aPrompt, TFileName& aDirectory);

	/**

	* Create list query single-selection dialog

	*/

	bool ListQueryDialog(const TDesC& aPrompt, TListQueryId aId, TInt& aIndex);

	/**

	* Create list query multi-selection dialog

	*/

	bool ListQueryDialog(const TDesC& aPrompt, TListQueryId aId, CArrayFixFlat<TInt>* aIndexes);

	/**

	* Close application when started from command line for script run.

	*/

	void CloseCreatorApp();

private slots:

	/**

	* progress dialog cancelled

	*/

	void ProgressDialogCancelled();    

private:

    /* Creator engine */

    CCreatorEngine* iEngine;

    /* progress dialog that is shown */

    HbProgressDialog* iProgressDialog;

};

#endif //ENGINEWRAPPER_H