/*

* 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:  Homescreen runtime content service.

*

*/

#include "hscontentservice.h"

#include "hsdatabase.h"

#include "hsscene.h"

#include "hspage.h"

#include "hsdomainmodeldatastructures.h"

#include "hswidgethost.h"

HsContentService::HsContentService(QObject *parent)

    : QObject(parent)

{

}

HsContentService::~HsContentService()

{

}

bool HsContentService::createWidget(const QVariantHash &params)

{

    HsWidgetHost *widget = createWidgetForPreview(params);

    if (!widget) {

        return false;

    }

    return HsScene::instance()->activePage()->addNewWidget(widget);

}

HsWidgetHost *HsContentService::createWidgetForPreview(const QVariantHash &params)

{

    HsWidgetData widgetData;

    widgetData.uri = params.value("uri").toString();

    HsWidgetHost *widget = HsWidgetHost::createInstance(widgetData,

                                                        params.value("preferences").toHash());

    if (!widget) {

        return NULL;

    }

    if (!widget->load()) {

        widget->deleteFromDatabase();

        delete widget;

        return NULL;

    }

    return widget;

}

/*!

*/

bool HsContentService::addWidget(const QString &uri, const QVariantHash &preferences)

{

    HsWidgetData widgetData;

    widgetData.uri = uri;

    QScopedPointer<HsWidgetHost> widget(HsWidgetHost::createInstance(widgetData, preferences));

    if (!widget.data()) {

        return false;

    }

    HsPage *activePage = HsScene::instance()->activePage();

    if (!widget->load() || !activePage->addNewWidget(widget.data())) {

        widget->deleteFromDatabase();

        return false;

    }

    HsWidgetHost *taken = widget.take();

    taken->initializeWidget();

    taken->showWidget();

    activePage->layoutNewWidgets();

    return true;

}

/*!

*/

HsContentService *HsContentService::instance()

{

    if (!mInstance) {

        mInstance.reset(new HsContentService);

    }

    return mInstance.data();

}

/*!

    Points to the content service instance.

*/

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