/*

* Copyright (c) 2003 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:  

*

*/

// INCLUDES

#include "config.h"

#include <e32std.h>

#include <kjs/object.h>

#include <AknUtils.h>

#include "Menu.h"

#include "MenuFuncs.h"

#include "MenuCallbacks.h"

using namespace KJS;

// ------------------------------ JSMenu -----------------------------

const ClassInfo JSMenu::info = { "JSMenu", 0, &MenuTable, 0 };

/*

@begin MenuTable 11

  append            JSMenu::Append              DontDelete|Function 1

  remove            JSMenu::Remove              DontDelete|Function 1

  getMenuItemById   JSMenu::GetMenuItemById     DontDelete|Function 1

  getMenuItemByName JSMenu::GetMenuItemByName   DontDelete|Function 1

  setRightSoftkeyLabel JSMenu::SetRightSoftKeyLabel DontDelete|Function 2

  onShow            JSMenu::OnShow              DontDelete|ReadOnly

  clear             JSMenu::Clear               DontDelete|Function 0

  toString          JSMenu::ToString            DontDelete|Function 0

  hideSoftkeys      JSMenu::HideSoftkeys        DontDelete|Function 0

  showSoftkeys      JSMenu::ShowSoftkeys        DontDelete|Function 0

  setLeftSoftkeyLabel JSMenu::SetLeftSoftKeyLabel DontDelete|Function 2

  location          JSMenu::Location            DontDelete|ReadOnly

@end

*/

// ----------------------------------------------------------------------------

// JSMenu::JSMenu

// Default contructor

//

//

// ----------------------------------------------------------------------------

JSMenu::JSMenu(MJSMenuCallbacks* aMenuCallbacks, MJSObjectProtector* aProtector)

        : JSObject(), 

        d(new MenuPrivate(aMenuCallbacks, aProtector, 0,0))

{  

}

// ----------------------------------------------------------------------------

// JSMenu::~JSMenu

// Destructor

//

//

// ----------------------------------------------------------------------------

JSMenu::~JSMenu()

{    

    delete d;

}

// ----------------------------------------------------------------------------

// JSMenu::type

//

//

// ----------------------------------------------------------------------------

JSType JSMenu::type() const 

{ 

    return ObjectType; 

}

// ----------------------------------------------------------------------------

// JSMenu::toString

// Returns string representation of the object

//

//

// ----------------------------------------------------------------------------

UString JSMenu::toString( ExecState *exec ) const

{

    return "[object JSMenu]";

}

// ----------------------------------------------------------------------------

// JSMenu::setRightKeyObserver

// Sets the callback fuction for right softkey press

//

//

// ----------------------------------------------------------------------------

void JSMenu::setRightKeyCallback( ExecState *exec, JSValue *value )

{

    if (d->m_rightKeyCallback)

        d->m_rightKeyCallback->Delete();

    d->m_rightKeyCallback = NULL;

    if ( value && !value->isNull() ) {        

        d->m_rightKeyCallback = new WidgetEventHandler(value, exec->lexicalInterpreter()->globalExec(), d->m_protector);

    }

}

// ----------------------------------------------------------------------------

// JSMenu::setRightKeyObserver

// Sets the callback fuction for right softkey press

//

//

// ----------------------------------------------------------------------------

void JSMenu::setLeftKeyCallback( ExecState *exec, JSValue *value )

{

    if (d->m_leftKeyCallback)

        d->m_leftKeyCallback->Delete();

    d->m_leftKeyCallback = NULL;

    if ( value && !value->isNull() ) {        

        d->m_leftKeyCallback = new WidgetEventHandler(value, exec->lexicalInterpreter()->globalExec(), d->m_protector);

    }

}

// ----------------------------------------------------------------------------

// JSMenu::getOwnPropertySlot

//

//

//

// ----------------------------------------------------------------------------

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

{

    const HashEntry* entry = Lookup::findEntry(&MenuTable, propertyName);

    if (entry) {

        slot.setStaticEntry(this, entry, staticValueGetter<JSMenu>);

        return true;

    }   

    return JSObject::getOwnPropertySlot(exec, propertyName, slot);

}

// ----------------------------------------------------------------------------

// JSMenu::get

// Retrieves the specified property from the object. If neither the object

// or any other object in it's prototype chain have the property, this function

// will return Undefined

//

//

// ----------------------------------------------------------------------------

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

{

    switch( token )

    {

        case Append:

        case Remove:

        case GetMenuItemById:

        case GetMenuItemByName:

        case SetRightSoftKeyLabel:

        case Clear:

        case ToString:

        case HideSoftkeys:

        case ShowSoftkeys:  

        case SetLeftSoftKeyLabel: {

            JSMenuFunc *mf = new JSMenuFunc(exec, d->m_callbacks, token);

            return mf;

        }

        case Location: {

            // The return values are based on the document that describes softkey location

            // -1 The command is not supported on this system

            // 0  The softkeys are located on the top of the device screen

            // 1  The softkeys are located on the left of the device screen

            // 2  The softkeys are located on the bottom of the device screen

            // 3  The softkeys are located on the right of the device screen

            int ret = -1; 

            AknLayoutUtils::TAknCbaLocation loc = AknLayoutUtils::CbaLocation();

            if ( loc == AknLayoutUtils::EAknCbaLocationBottom )

            {

                ret = 2;

            }

            else if ( loc == AknLayoutUtils::EAknCbaLocationRight )

            {

                ret = 3;

            }

            else if ( loc == AknLayoutUtils::EAknCbaLocationLeft )

            {

                ret = 1;

            }    

            return jsNumber(ret);

        }

    }

    return throwError(exec, GeneralError);

}

// ----------------------------------------------------------------------------

// JSMenu::canPut

//

//

//

// ----------------------------------------------------------------------------

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

{    

    return true;

}

// ----------------------------------------------------------------------------

// JSMenu::put

// Sets the specified property

//

//

// ----------------------------------------------------------------------------

void JSMenu::put(ExecState *exec, const Identifier &propertyName, JSValue *value, int attr)

{

    const HashEntry * entry = Lookup::findEntry( &MenuTable, propertyName );

    // if the property exists in the table

    if ( entry ){

        // changes the properties of the JSMenu element

        switch ( entry->value )

        {

            case OnShow: {

                delete d->m_onShowCallback;

                d->m_onShowCallback = NULL;

                d->m_onShowCallback = new WidgetEventHandler(value, exec->lexicalInterpreter()->globalExec(), d->m_protector);

                break;

            }

            default:

                break;

        }

    }

}