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** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
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** This file is part of the QtWebEngine module of the Qt Toolkit.
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** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
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#include "qquickwebcontentsview.h"
#include "qquickwebcontentsview_p.h"

#include "content/public/browser/navigation_entry.h"
#include "content/public/browser/web_contents.h"

#include "content_browser_client_qt.h"
#include "render_widget_host_view_qt_delegate_quick.h"
#include "web_contents_delegate_qt.h"

#include <QUrl>

void QQuickWebContentsView::registerType()
{
    // FIXME: Do a proper plugin.
    qmlRegisterType<QQuickWebContentsView>("QtWebEngine", 1, 0, "WebContentsView");
}

QQuickWebContentsView::QQuickWebContentsView()
    : d_ptr(new QQuickWebContentsViewPrivate)
{
    d_ptr->q_ptr = this;

    Q_D(QQuickWebContentsView);
    WebContentsDelegateQt* delegate = d->webContentsDelegate.get();
    connect(delegate, SIGNAL(titleChanged(QString)), this, SIGNAL(titleChanged(QString)));
    connect(delegate, SIGNAL(urlChanged(QUrl)), this, SIGNAL(urlChanged()));
    connect(delegate, SIGNAL(loadingStateChanged()), this, SIGNAL(loadingStateChanged()));
}

QQuickWebContentsView::~QQuickWebContentsView()
{
}

QUrl QQuickWebContentsView::url() const
{
    Q_D(const QQuickWebContentsView);
    GURL gurl = d->webContentsDelegate->web_contents()->GetActiveURL();
    return QUrl(QString::fromStdString(gurl.spec()));
}

void QQuickWebContentsView::setUrl(const QUrl& url)
{
    Q_D(QQuickWebContentsView);
    GURL gurl(url.toString().toStdString());

    content::NavigationController::LoadURLParams params(gurl);
    params.transition_type = content::PageTransitionFromInt(content::PAGE_TRANSITION_TYPED | content::PAGE_TRANSITION_FROM_ADDRESS_BAR);
    d->webContentsDelegate->web_contents()->GetController().LoadURLWithParams(params);
    d->webContentsDelegate->web_contents()->GetView()->Focus();
}

void QQuickWebContentsView::goBack()
{
    Q_D(QQuickWebContentsView);
    d->webContentsDelegate->web_contents()->GetController().GoToOffset(-1);
    d->webContentsDelegate->web_contents()->GetView()->Focus();
}

void QQuickWebContentsView::goForward()
{
    Q_D(QQuickWebContentsView);
    d->webContentsDelegate->web_contents()->GetController().GoToOffset(1);
    d->webContentsDelegate->web_contents()->GetView()->Focus();
}

void QQuickWebContentsView::reload()
{
    Q_D(QQuickWebContentsView);
    d->webContentsDelegate->web_contents()->GetController().Reload(false);
    d->webContentsDelegate->web_contents()->GetView()->Focus();
}

void QQuickWebContentsView::stop()
{
    Q_D(QQuickWebContentsView);
    content::NavigationController& controller = d->webContentsDelegate->web_contents()->GetController();

    int index = controller.GetPendingEntryIndex();
    if (index != -1)
        controller.RemoveEntryAtIndex(index);

    d->webContentsDelegate->web_contents()->GetView()->Focus();
}

bool QQuickWebContentsView::isLoading() const
{
    Q_D(const QQuickWebContentsView);
    return d->webContentsDelegate->web_contents()->IsLoading();
}

QString QQuickWebContentsView::title() const
{
    Q_D(const QQuickWebContentsView);
    content::NavigationEntry* entry = d->webContentsDelegate->web_contents()->GetController().GetVisibleEntry();
    if (!entry)
        return QString();
    return QString::fromUtf16(entry->GetTitle().data());
}

bool QQuickWebContentsView::canGoBack() const
{
    Q_D(const QQuickWebContentsView);
    return d->webContentsDelegate->web_contents()->GetController().CanGoBack();
}

bool QQuickWebContentsView::canGoForward() const
{
    Q_D(const QQuickWebContentsView);
    return d->webContentsDelegate->web_contents()->GetController().CanGoForward();
}

void QQuickWebContentsView::geometryChanged(const QRectF &newGeometry, const QRectF &oldGeometry)
{
    QQuickItem::geometryChanged(newGeometry, oldGeometry);

    Q_FOREACH(QQuickItem *child, childItems()) {
        Q_ASSERT(qobject_cast<RenderWidgetHostViewQtDelegateQuick *>(child));
        child->setSize(newGeometry.size());
    }
}

QQuickWebContentsViewPrivate::QQuickWebContentsViewPrivate()
{
    WebContentsViewQt* contents_view = static_cast<WebContentsViewQt*>(webContentsDelegate->web_contents()->GetView());
    contents_view->SetClient(this);
}

RenderWidgetHostViewQtDelegate *QQuickWebContentsViewPrivate::CreateRenderWidgetHostViewQtDelegate(RenderWidgetHostViewQt *view)
{
    Q_Q(QQuickWebContentsView);
    // Parent the RWHV directly, this might have to be changed to handle popups and fullscreen.
    RenderWidgetHostViewQtDelegateQuick *viewDelegate = new RenderWidgetHostViewQtDelegateQuick(view, q);
    viewDelegate->setSize(QSizeF(q->width(), q->height()));
    return viewDelegate;
}