/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtWebEngine module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia.  For licensing terms and
** conditions see http://qt.digia.com/licensing.  For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights.  These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** 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
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#include "qquickwebengineview_p.h"
#include "qquickwebengineview_p_p.h"

#include "web_contents_adapter.h"
#include "render_widget_host_view_qt_delegate_quick.h"

#include <QUrl>

QT_BEGIN_NAMESPACE

QQuickWebEngineViewPrivate::QQuickWebEngineViewPrivate()
    : adapter(new WebContentsAdapter(qApp->property("QQuickWebEngineView_DisableHardwareAcceleration").toBool() ? SoftwareRenderingMode : HardwareAccelerationMode))
    , e(new QQuickWebEngineViewExperimental(this))
    , loadProgress(0)
    , inspectable(false)
{
    adapter->initialize(this);
}

QQuickWebEngineViewExperimental *QQuickWebEngineViewPrivate::experimental() const
{
    return e;
}

RenderWidgetHostViewQtDelegate *QQuickWebEngineViewPrivate::CreateRenderWidgetHostViewQtDelegate(RenderWidgetHostViewQtDelegateClient *client, RenderingMode mode)
{
#if (QT_VERSION >= QT_VERSION_CHECK(5, 2, 0))
    if (mode == HardwareAccelerationMode)
        return new RenderWidgetHostViewQtDelegateQuick(client);
#endif
    return new RenderWidgetHostViewQtDelegateQuickPainted(client);
}

void QQuickWebEngineViewPrivate::titleChanged(const QString &title)
{
    Q_Q(QQuickWebEngineView);
    Q_UNUSED(title);
    Q_EMIT q->titleChanged();
}

void QQuickWebEngineViewPrivate::urlChanged(const QUrl &url)
{
    Q_Q(QQuickWebEngineView);
    Q_UNUSED(url);
    Q_EMIT q->urlChanged();
}

void QQuickWebEngineViewPrivate::iconChanged(const QUrl &url)
{
    Q_Q(QQuickWebEngineView);
    icon = url;
    Q_EMIT q->iconChanged();
}

void QQuickWebEngineViewPrivate::loadingStateChanged()
{
    Q_Q(QQuickWebEngineView);
    Q_EMIT q->loadingStateChanged();
}

void QQuickWebEngineViewPrivate::loadProgressChanged(int progress)
{
    Q_Q(QQuickWebEngineView);
    loadProgress = progress;
    Q_EMIT q->loadProgressChanged();
}

QRectF QQuickWebEngineViewPrivate::viewportRect() const
{
    Q_Q(const QQuickWebEngineView);
    return QRectF(q->x(), q->y(), q->width(), q->height());
}

void QQuickWebEngineViewPrivate::loadFinished(bool success)
{
    Q_Q(QQuickWebEngineView);
    Q_UNUSED(success);
    Q_EMIT q->loadingStateChanged();
}

void QQuickWebEngineViewPrivate::focusContainer()
{
    Q_Q(QQuickWebEngineView);
    q->forceActiveFocus();
}

void QQuickWebEngineViewPrivate::adoptNewWindow(WebContentsAdapter *newWebContents, WindowOpenDisposition disposition, const QRect &)
{
    Q_UNUSED(newWebContents);
    Q_UNUSED(disposition);
    Q_UNREACHABLE();
}

void QQuickWebEngineViewPrivate::close()
{
    Q_UNREACHABLE();
}

QQuickWebEngineView::QQuickWebEngineView(QQuickItem *parent)
    : QQuickItem(*(new QQuickWebEngineViewPrivate), parent)
{
    Q_D(const QQuickWebEngineView);
    d->e->q_ptr = this;
}

QQuickWebEngineView::~QQuickWebEngineView()
{
}

QUrl QQuickWebEngineView::url() const
{
    Q_D(const QQuickWebEngineView);
    return d->adapter->activeUrl();
}

void QQuickWebEngineView::setUrl(const QUrl& url)
{
    Q_D(QQuickWebEngineView);
    d->adapter->load(url);
}

QUrl QQuickWebEngineView::icon() const
{
    Q_D(const QQuickWebEngineView);
    return d->icon;
}

void QQuickWebEngineView::goBack()
{
    Q_D(QQuickWebEngineView);
    d->adapter->navigateToOffset(-1);
}

void QQuickWebEngineView::goForward()
{
    Q_D(QQuickWebEngineView);
    d->adapter->navigateToOffset(1);
}

void QQuickWebEngineView::reload()
{
    Q_D(QQuickWebEngineView);
    d->adapter->reload();
}

void QQuickWebEngineView::stop()
{
    Q_D(QQuickWebEngineView);
    d->adapter->stop();
}

bool QQuickWebEngineView::isLoading() const
{
    Q_D(const QQuickWebEngineView);
    return d->adapter->isLoading();
}

int QQuickWebEngineView::loadProgress() const
{
    Q_D(const QQuickWebEngineView);
    return d->loadProgress;
}

QString QQuickWebEngineView::title() const
{
    Q_D(const QQuickWebEngineView);
    return d->adapter->pageTitle();
}

bool QQuickWebEngineView::canGoBack() const
{
    Q_D(const QQuickWebEngineView);
    return d->adapter->canGoBack();
}

bool QQuickWebEngineView::canGoForward() const
{
    Q_D(const QQuickWebEngineView);
    return d->adapter->canGoForward();
}

bool QQuickWebEngineView::inspectable() const
{
    Q_D(const QQuickWebEngineView);
    return d->inspectable;
}

void QQuickWebEngineView::setInspectable(bool enable)
{
    Q_D(QQuickWebEngineView);
    d->inspectable = enable;
    d->adapter->enableInspector(enable);
}

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

    Q_FOREACH(QQuickItem *child, childItems()) {
        Q_ASSERT(
#if (QT_VERSION >= QT_VERSION_CHECK(5, 2, 0))
            qobject_cast<RenderWidgetHostViewQtDelegateQuick *>(child) ||
#endif
            qobject_cast<RenderWidgetHostViewQtDelegateQuickPainted *>(child));
        child->setSize(newGeometry.size());
    }
}

QQuickWebEngineViewExperimental::QQuickWebEngineViewExperimental(QQuickWebEngineViewPrivate *viewPrivate)
    : q_ptr(0)
    , d_ptr(viewPrivate)
{
}

QT_END_NAMESPACE