/*

* Copyright (c) 2004 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "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 __WIDGET_H

#define __WIDGET_H

//  INCLUDES

#include "config.h"

#include <e32base.h>

#include <kjs/object.h>

// CONSTANTS

// MACROS

// DATA TYPES

// FUNCTION PROTOTYPES

// CLASS DECLARATION

class MJSWidgetCallbacks;

class MJSObjectProtector;

/**

*  CWidget

*

*  @lib widgetengine.dll

*  @since 3.1

*/

namespace KJS {

class WidgetEventHandler;

class JSWrt;

struct WidgetPrivate

{

    WidgetPrivate( MJSWidgetCallbacks* callbacks,

                    WidgetEventHandler* showCallback,

                    WidgetEventHandler* hideCallback,

                    WidgetEventHandler* exitCallback,

                    bool visibility,

					MJSObjectProtector* protector) :

                        m_callbacks(callbacks),

                        m_showCallback(showCallback),

                        m_hideCallback(hideCallback),

                        m_exitCallback(exitCallback),

                        m_visibility(visibility),

						m_protector(protector),

                        m_wrt(0)

    {

    }

    virtual ~WidgetPrivate() { delete m_exitCallback;

                               delete m_hideCallback;

                               delete m_showCallback; }

    MJSWidgetCallbacks*		m_callbacks;

    WidgetEventHandler*		m_showCallback;

    WidgetEventHandler*		m_hideCallback;

    WidgetEventHandler*		m_exitCallback;

	MJSObjectProtector*		m_protector;

    bool m_visibility;

    JSWrt* m_wrt;

};

class JSWidget : public JSObject

{

public:

    JSWidget(MJSWidgetCallbacks* aWidgetCallbacks, MJSObjectProtector* aProtector);

    virtual ~JSWidget();

//From JSObject

public:

    JSType type() const;

    JSValue* getValueProperty(KJS::ExecState*, int token) const;

    bool getOwnPropertySlot(ExecState* exec, const Identifier& propertyName, PropertySlot& slot);

    bool canPut(ExecState *exec, const Identifier &propertyName) const;

    void put(ExecState *exec, const Identifier &propertyName, JSValue *value, int attr = None);

    const ClassInfo* classInfo() const { return &info; }

    static const ClassInfo info;

    virtual void mark();

    virtual UString toString(ExecState *exec) const;

    void setVisibility(bool visibility);

    void handleExit();

    enum {

        openApplication,

        openURL,

        preferenceForKey,

        prepareForTransition,

        performTransition,

        setPreferenceForKey,

        setNavigationEnabled,

        setNavigationType,

        setDisplayLandscape,

        setDisplayPortrait,

        isRotationSupported,

        identifier,

        onhide,

        onremove,

        onshow,

        onexit,

        wrt

        };

private:

    WidgetPrivate* d;

};

};

#include "Widget.lut.h"

#endif