/*

* 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 <s32file.h>

#include <hbapplication.h>

class SGEngine;

class GrabSettings;

class MainView;

class TWsEvent;

class HbDeviceProgressDialog;

/**

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

 */

class EngineWrapper{

public:

    /**

     * Constructor

     */

    EngineWrapper();

    /**

     * Destructor

     */

    ~EngineWrapper();

    /**

     * Initializes Engine Wrapper

     * @return true if engine was started successfully

     */

    bool init();

public: 

    /* Functions that are called from UI */

    /**

     * Fetches settings from engine and converts Symbian data types to Qt's types.

     */

    GrabSettings getGrabSettings();

    /**

     * Converts given parameters into Symbian data types and saves them into ScreenGrabber engine

     * @param settings new settings

     */

    bool saveSettings(const GrabSettings& settings); 

    /*

     * Sends received s60 event to engine

     */

#if defined(HB_QT_S60_EVENT_FILTER)

	bool handleCaptureCommands(const TWsEvent* aEvent);

#else

	bool handleCaptureCommands(const QSymbianEvent *aEvent);

#endif

    /**

     * Sends UI to background

     */

    void sendUIToBackground();

	void EnableRcpOfFoc(TBool aState);

    void LoadSettings(void);

public:

    /* Functions that are called from engine: */

    /**

     * uses Notifications class to show image captured note 

     */

    void ShowImageCapturedNote();

    /**

     * uses Notifications class to show video captured note 

     */

    void ShowVideoCapturedNote();

    /** 

     * uses Notifications class to show seguantial images captured note

     */

    void ShowSequantialImagesCapturedNote(TInt amount);

    /** 

     * uses Notifications class to show error message 

     */

    void ShowErrorMessage(const TDesC16& aErrorMessage);

    /**

     * uses Notifications class to show progressbar

     */

    void ShowProgressBar(int max);

    /**

     * increments shown progressbar's value

     */

    void IncrementProgressbarValue();

    /**

     * closes progressbar

     */

    void CloseProgressbar();

private:

    bool convertTBoolToBool(TBool value);

private:

    /* Screen grabber engine */

    SGEngine *iSGEngine;

    /* progressnote that is shown */

	HbDeviceProgressDialog *iProgressNote;

};

#endif;