/*

* Copyright (c) 2009 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:

*

*/

#include "hswidgetcomponentregistry.h"

#include "hswidgetcomponent.h"

#include <QSignalMapper>

QScopedPointer<HsWidgetComponentRegistry> HsWidgetComponentRegistry::mInstance(0);

/*!

*/

HsWidgetComponentRegistry* HsWidgetComponentRegistry::instance()

{

    if (!mInstance) {

        mInstance.reset(new HsWidgetComponentRegistry);

    }

    return mInstance.data();

}

/*!

*/

HsWidgetComponentRegistry::~HsWidgetComponentRegistry()

{

    qDeleteAll(mRegistry);

}

/*!

*/

HsWidgetComponent *HsWidgetComponentRegistry::component(const QString &uri)

{

	if (mRegistry.contains(uri)) {

        return mRegistry.value(uri);

	}

	QScopedPointer<HsWidgetComponent> c(new HsWidgetComponent(uri));

	mRegistry.insert(uri, c.data());

 	connect(c.data(), SIGNAL(aboutToUninstall()), mSignalMapper.data(), 

        SLOT(map()));

    mSignalMapper->setMapping(c.data(),uri);

	return c.take();

}

/*!

*/

HsWidgetComponentRegistry::HsWidgetComponentRegistry(QObject *parent)

  : QObject(parent),mSignalMapper(new QSignalMapper())

{

    connect(mSignalMapper.data(),SIGNAL(mapped(QString)),SLOT(onAboutToUninstall(QString)));

}

/*!

*/

void HsWidgetComponentRegistry::onAboutToUninstall(const QString &uri)

{

    if (mRegistry.contains(uri)) {

        mRegistry.take(uri)->deleteLater();

    }

}