/*

 * This file is part of the popup menu implementation for <select> elements in WebCore.

 *

 * Copyright (C) 2009 Girish Ramakrishnan <girish@forwardbias.in>

 * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)

 * Copyright (C) 2006 Apple Computer, Inc.

 * Copyright (C) 2006 Michael Emmel mike.emmel@gmail.com 

 * Coypright (C) 2006 Nikolas Zimmermann <zimmermann@kde.org>

 *

 * This library is free software; you can redistribute it and/or

 * modify it under the terms of the GNU Library General Public

 * License as published by the Free Software Foundation; either

 * version 2 of the License, or (at your option) any later version.

 *

 * This library 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

 * Library General Public License for more details.

 *

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

 * along with this library; see the file COPYING.LIB.  If not, write to

 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,

 * Boston, MA 02110-1301, USA.

 *

 */

#include "config.h"

#include "PopupMenu.h"

#include "Frame.h"

#include "FrameView.h"

#include "HostWindow.h"

#include "PopupMenuClient.h"

#include "QWebPageClient.h"

#include "QWebPopup.h"

#include <QAction>

#include <QDebug>

#include <QGraphicsProxyWidget>

#include <QGraphicsScene>

#include <QGraphicsView>

#include <QListWidget>

#include <QListWidgetItem>

#include <QMenu>

#include <QPoint>

#include <QStandardItemModel>

#include <QWidgetAction>

namespace WebCore {

PopupMenu::PopupMenu(PopupMenuClient* client)

    : m_popupClient(client)

    , m_proxy(0)

{

    m_popup = new QWebPopup(client);

}

PopupMenu::~PopupMenu()

{

    // If we create a proxy, then the deletion of the proxy and the

    // combo will be done by the proxy's parent (QGraphicsWebView)

    if (!m_proxy)

        delete m_popup;

}

void PopupMenu::clear()

{

    m_popup->clear();

}

void PopupMenu::populate(const IntRect&)

{

    clear();

    Q_ASSERT(client());

    QStandardItemModel* model = qobject_cast<QStandardItemModel*>(m_popup->model());

    Q_ASSERT(model);

    int size = client()->listSize();

    for (int i = 0; i < size; i++) {

        if (client()->itemIsSeparator(i))

            m_popup->insertSeparator(i);

        else {

            m_popup->insertItem(i, client()->itemText(i));

            if (model && !client()->itemIsEnabled(i))

                model->item(i)->setEnabled(false);

            if (client()->itemIsSelected(i))

                m_popup->setCurrentIndex(i);

        }

    }

}

void PopupMenu::show(const IntRect& r, FrameView* v, int index)

{

    QWebPageClient* client = v->hostWindow()->platformPageClient();

    populate(r);

    QRect rect = r;

    rect.moveTopLeft(v->contentsToWindow(r.topLeft()));

    rect.setHeight(m_popup->sizeHint().height());

    if (QGraphicsView* view = qobject_cast<QGraphicsView*>(client->ownerWidget())) {

        if (!m_proxy) {

            m_proxy = new QGraphicsProxyWidget(qobject_cast<QGraphicsWebView*>(client->pluginParent()));

            m_proxy->setWidget(m_popup);

        } else

            m_proxy->setVisible(true);

        m_proxy->setGeometry(rect);

    } else {

        m_popup->setParent(client->ownerWidget());

        m_popup->setGeometry(rect);

    }

    m_popup->setCurrentIndex(index);

    m_popup->exec();

}

void PopupMenu::hide()

{

    m_popup->hidePopup();

}

void PopupMenu::updateFromElement()

{

    client()->setTextFromItem(m_popupClient->selectedIndex());

}

bool PopupMenu::itemWritingDirectionIsNatural()

{

    return false;

}

}

// vim: ts=4 sw=4 et