/*

* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

*

* This program is free software: you can redistribute it and/or modify

* it under the terms of the GNU Lesser General Public License as published by

* the Free Software Foundation, version 2.1 of the License.

*

* This program is distributed in the hope that it will be useful,

* but WITHOUT ANY WARRANTY; without even the implied warranty of

* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

* GNU Lesser General Public License for more details.

*

* You should have received a copy of the GNU Lesser General Public License

* along with this program.  If not,

* see "http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html/".

*

* Description:

*

*/

#include "WebContentViewWidget.h"

#include "ScrollableWebContentView.h"

#include "WebContentAnimationItem.h"

#include "webpagecontroller.h"

#include "WebView.h"

#include "wrtbrowsercontainer.h"

#include "ZoomMetaData.h"

#include <QGraphicsLinearLayout>

#include <QStyleOptionGraphicsItem>

#include <QWebFrame>

namespace GVA {

WebContentViewWidget::WebContentViewWidget(QObject* parent, QWebPage* page)

    : m_webViewportProxy(new WebContentAnimationItem())

{

    setFlag(QGraphicsItem::ItemUsesExtendedStyleOption, true);

    setParent(parent);

    m_webViewport = new ScrollableWebContentView(m_webViewportProxy, this);

    m_webView = new WebView();

    if (page)

        setPage(page);

    m_webViewportProxy->setWebView(m_webView);

    updatePreferredContentSize();

    m_webViewportProxy->setPos(QPointF(0,0));

    //FIX ME : Should we have to delete layout??

    QGraphicsLinearLayout* layout = new QGraphicsLinearLayout(Qt::Vertical, this);

    layout->setContentsMargins(0,0,0,0);

    layout->setSpacing(0.);

    layout->addItem(m_webViewport);

    connect(m_webViewportProxy

            , SIGNAL(updateZoomActions(bool,bool))

            , this

            , SIGNAL(updateZoomActions(bool,bool)));

    connect(m_webViewport

            , SIGNAL(contextEventObject(QWebHitTestResult*))

            , this

            , SIGNAL(contextEventObject(QWebHitTestResult*)));

    connect(m_webViewport

            , SIGNAL(viewScrolled(QPoint&, QPoint&))

            , this

            , SIGNAL(viewScrolled(QPoint&, QPoint&)));

}

WebContentViewWidget::~WebContentViewWidget()

{

    delete m_webView;

    delete m_webViewportProxy;

    delete m_webViewport;

}

void WebContentViewWidget::resizeEvent(QGraphicsSceneResizeEvent* event)

{

    QGraphicsWidget::resizeEvent(event);

    setGeometry(QRectF(pos(), size()));

    setPreferredSize(size());

}

QWebPage* WebContentViewWidget::page()

{

    return m_webView->page();

}

void WebContentViewWidget::setPage(QWebPage* page)

{

    m_webView->setPage(page);

    connect(this->page()->mainFrame(), SIGNAL(initialLayoutCompleted()), m_webViewport, SLOT(reset()));

    connect(this->page()->mainFrame(), SIGNAL(contentsSizeChanged(const QSize &)), m_webViewport, SLOT(contentsSizeChanged(const QSize&)));

    connect(this->page()->mainFrame(), SIGNAL(loadFinished(bool)), m_webViewport, SLOT(pageLoadFinished(bool)));

}

QGraphicsWebView* WebContentViewWidget::webView()

{

    return m_webView;

}

ZoomMetaData WebContentViewWidget::currentPageInfo()

{

    return m_webViewport->currentPageInfo();

}

void WebContentViewWidget::setCurrentPageInfo(ZoomMetaData data)

{

    m_webViewport->setCurrentPageInfo(data);

}

ZoomMetaData WebContentViewWidget::defaultZoomData()

{

    return m_webViewport->defaultZoomData();

}

void WebContentViewWidget::setPageZoom(bool zoomIn)

{

    Q_ASSERT(m_webViewport);

    m_webViewport->zoomToScreenCenter(zoomIn);

}

void WebContentViewWidget::showPage(bool isSuperPage)

{

    if (!isSuperPage) {

        WRT::WrtBrowserContainer* wbc = WebPageController::getSingleton()->currentPage();

        setPage((QWebPage*)wbc);  // static_cast here gives compiler error

    } else { 

        //Its a super page

        m_webViewport->setSuperPage();

    }

}

void WebContentViewWidget::updatePreferredContentSize()

{

   m_webViewport->updatePreferredContentSize();

}

} // namespace GVA