/*

* 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:  

*

*/

// INCLUDE FILES

#include "WidgetEngineBridge.h"

#include "WidgetEventHandler.h"

#include <object.h>

#include <eikamnt.h>

#include <eikmenub.h>

#include <gdi.h>

#include <bitdev.h>

#include <brctlinterface.h>

#include "WidgetEngineCallbacks.h"

#include "WidgetClient.h"

#include "MenuClient.h"

#include "Renderer.h"

#include "Preferences.h"

// EXTERNAL DATA STRUCTURES

// EXTERNAL FUNCTION PROTOTYPES

// CONSTANTS

const TInt KMenuItemCommandIdBase = 20000;

// MACROS

// LOCAL CONSTANTS AND MACROS

// MODULE DATA STRUCTURES

// LOCAL FUNCTION PROTOTYPES

// FORWARD DECLARATIONS

// ============================= LOCAL FUNCTIONS ===============================

// ============================ MEMBER FUNCTIONS ===============================

using namespace KJS;

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

// CreateWidgetEngineBridge

// creates WidgetEngineBridge object

//

//

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

EXPORT_C MWidgetEngineBridge* CreateWidgetEngineBridge()

    {

    return new WidgetEngineBridge();

    }

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

// WidgetEngineBridge::WidgetEngineBridge

// Default constructor

//

//

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

WidgetEngineBridge::WidgetEngineBridge() : m_menuclient(0), m_widgetclient(0), m_preferences(0)

{

}

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

// WidgetEngineBridge::~WidgetEngineBridge

// Destructor

//

//

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

WidgetEngineBridge::~WidgetEngineBridge()

{

    Clear();

    delete m_preferences;

    m_preferences = NULL;

}

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

// WidgetEngineBridge::Clear

// 

//

//

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

void WidgetEngineBridge::Clear()

{    

	// unprotect objects

	HashSet<JSValue*>::iterator end = m_protectedObjects.end();

	for (HashSet<JSValue*>::iterator it = m_protectedObjects.begin(); it != end; ++it) {

		Collector::unprotect(*it);

	}

	m_protectedObjects.clear();

    delete m_menuclient;

    m_menuclient = NULL;

    delete m_widgetclient;    

    m_widgetclient = NULL;

}

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

// WidgetEngineBridge::Widget

// creates Widget object if it does not exist, otherwise returns the already

// created instance

//

//

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

void* WidgetEngineBridge::Widget(MWidgetCallback& aWidgetCallback, MWidgetEngineCallbacks& aWidgetEngineCallback)

{

    if (!m_widgetclient) {

        if (!m_preferences)

            m_preferences = new (ELeave) WidgetPreferences();

        m_widgetclient = CWidgetClient::NewL(aWidgetCallback, this, aWidgetEngineCallback,m_preferences);            

    }    

    return m_widgetclient->jswidget();  

}

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

// WidgetEngineBridge::Menu

// creates Menu object if it does not exist, otherwise returns the already

// created instance

//

//

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

void* WidgetEngineBridge::Menu(MWidgetCallback& aWidgetCallback, MWidgetEngineCallbacks& aWidgetEngineCallback)

{

    if (!m_menuclient){

        m_menuclient = CMenuClient::NewL(aWidgetCallback,aWidgetEngineCallback);      

    }    

    return m_menuclient->jsmenu(this);  

}

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

// WidgetEngineBridge::MenuItem

// creates MenuItem object if it does not exist, otherwise returns the already

// created instance

//

//

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

void* WidgetEngineBridge::MenuItem(MWidgetCallback& aWidgetCallback, MWidgetEngineCallbacks& aWidgetEngineCallback)

{

    if (!m_menuclient){

        m_menuclient = CMenuClient::NewL(aWidgetCallback,aWidgetEngineCallback);      

    }    

    return m_menuclient->jsmenuitem(this);      

}

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

//WidgetEngineBridge::SetParamL

//

//

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

void WidgetEngineBridge::SetParamL(TBrCtlDefs::TBrCtlWidgetParams aParam, const TDesC& aValue)

{   

    if (!m_preferences)

        m_preferences = new (ELeave) WidgetPreferences();

    switch( aParam ) {

        case TBrCtlDefs::EWidgetBasePath: {

            m_preferences->setBasePathL(aValue);

           TRAPD(err, m_preferences->loadL());

            if(err!=KErrNone)

            	{

                m_preferences->deleteAllPrefFiles();

           	    }

            break;

        }

        case TBrCtlDefs::EWidgetBundleId: {

            m_preferences->setWidgetBundleId(aValue);

            break;

        }

        default:

        break;

    }

}

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

// WidgetEngineBridge::SetParamL

//

//

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

void WidgetEngineBridge::SetParamL(TBrCtlDefs::TBrCtlWidgetParams aParam, TUint aValue)

{   

    if (!m_preferences)

        m_preferences = new (ELeave) WidgetPreferences();

    switch( aParam ) {

        case TBrCtlDefs::EWidgetIdentifier: {

            m_preferences->setWidgetId(aValue);

            break;

        }

        default:

        break;

    }

}

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

// WidgetEngineBridge::HandleCommandL 

//

//

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

TBool WidgetEngineBridge::HandleCommandL( TInt aCommandId )

{

    TBool handled(EFalse);

    if (!handled && m_menuclient) {

        handled = m_menuclient->HandleCommandL(aCommandId);

    }

    if (!handled && m_widgetclient) {

        handled = m_widgetclient->HandleCommandL(aCommandId);

    }

    return handled;

}

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

// WidgetEngineBridge::OnShowSelected

// Invokes callback function when the menu item is selected

//

//

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

void WidgetEngineBridge::OnShowSelected()

{

    if (m_widgetclient) {

        m_widgetclient->onShowSelected();

    }

}

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

// WidgetEngineBridge::OnHideSelected

// Invokes callback function when the menu item is selected

//

//

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

void WidgetEngineBridge::OnHideSelected()

{

    if (m_widgetclient) {

        m_widgetclient->onHideSelected();

    }

}

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

// WidgetEngineBridge::AddOptionMenuItemsL

// 

//

//

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

void WidgetEngineBridge::AddOptionMenuItemsL(CEikMenuPane& aMenuPane, TInt aResourceId)

{

    if (m_menuclient) {

        m_menuclient->addOptionMenuItemsL(aMenuPane, aResourceId);

    }    

}

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

// WidgetEngineBridge::MenuItemSelected

// Invokes callback function when the menu item is selected

//

//

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

void WidgetEngineBridge::MenuItemSelected( TInt aInternalId )

{

    if (m_menuclient) {

        m_menuclient->menuItemSelected(aInternalId-KMenuItemCommandIdBase);

    }

}

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

// WidgetEngineBridge::MenuShowed

// Invokes callback function when Menu is displayed

//

//

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

void WidgetEngineBridge::MenuShowed()

{

    if (m_menuclient) {

        m_menuclient->menuShowed();

    }

}

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

// WidgetEngineBridge::DrawTransition

// 

//

//

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

void WidgetEngineBridge::DrawTransition(CWindowGc& gc, CFbsBitmap* fbsBm)

{

    if (m_widgetclient && m_widgetclient->renderer()) {

        m_widgetclient->renderer()->drawTransition(gc,fbsBm);

    }

}

void WidgetEngineBridge::Protect(JSValue* obj)

{

	m_protectedObjects.add(obj);

	Collector::protect(obj);

}

void WidgetEngineBridge::Unprotect(JSValue* obj)

{

	m_protectedObjects.remove(obj);

	Collector::unprotect(obj);

}

//END OF FILE