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/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtWidgets 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.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#import <Foundation/Foundation.h>
#import <Cocoa/Cocoa.h>

#include "qmenu.h"
#include "qmenubar.h"

#include <QtCore/QDebug>
#include <QtGui/QGuiApplication>
#include <QtGui/QWindow>
#include <qpa/qplatformnativeinterface.h>

QT_BEGIN_NAMESPACE

#ifndef QT_NO_MENU

namespace {
// TODO use QtMacExtras copy of this function when available.
inline QPlatformNativeInterface::NativeResourceForIntegrationFunction resolvePlatformFunction(const QByteArray &functionName)
{
    QPlatformNativeInterface *nativeInterface = QGuiApplication::platformNativeInterface();
    QPlatformNativeInterface::NativeResourceForIntegrationFunction function =
        nativeInterface->nativeResourceFunctionForIntegration(functionName);
    if (!function)
         qWarning() << "Qt could not resolve function" << functionName
                    << "from QGuiApplication::platformNativeInterface()->nativeResourceFunctionForIntegration()";
    return function;
}
} //namespsace


/*!
    \since 5.2

    Returns the native NSMenu for this menu. Available on OS X only.
*/
NSMenu* QMenu::toNSMenu()
{
    // Call into the cocoa platform plugin: qMenuToNSMenu(platformMenu())
    QPlatformNativeInterface::NativeResourceForIntegrationFunction function = resolvePlatformFunction("qmenutonsmenu");
    if (function) {
        typedef void* (*QMenuToNSMenuFunction)(QPlatformMenu *platformMenu);
        return reinterpret_cast<NSMenu *>(reinterpret_cast<QMenuToNSMenuFunction>(function)(platformMenu()));
    }
    return nil;
}


/*!
    \since 5.2

    Set this menu to be the dock menu available by option-clicking
    on the application dock icon. Available on OS X only.
*/
void QMenu::setAsDockMenu()
{
    // Call into the cocoa platform plugin: setDockMenu(platformMenu())
    QPlatformNativeInterface::NativeResourceForIntegrationFunction function = resolvePlatformFunction("setdockmenu");
    if (function) {
        typedef void (*SetDockMenuFunction)(QPlatformMenu *platformMenu);
        reinterpret_cast<SetDockMenuFunction>(function)(platformMenu());
    }
}


/*! \fn void qt_mac_set_dock_menu(QMenu *menu)
    \since 5.2
    \deprecated

    Set this menu to be the dock menu available by option-clicking
    on the application dock icon. Available on OS X only.

    Deprecated; use QMenu:setAsDockMenu() instead.

    \sa QMenu:setAsDockMenu()
*/

#endif //QT_NO_MENU

#ifndef QT_NO_MENUBAR

/*!
    \since 5.2

    Returns the native NSMenu for this menu bar. Available on OS X only.
*/
NSMenu* QMenuBar::toNSMenu()
{
    // Call into the cocoa platform plugin: qMenuBarToNSMenu(platformMenuBar())
    QPlatformNativeInterface::NativeResourceForIntegrationFunction function = resolvePlatformFunction("qmenubartonsmenu");
    if (function) {
        typedef void* (*QMenuBarToNSMenuFunction)(QPlatformMenuBar *platformMenuBar);
        return reinterpret_cast<NSMenu *>(reinterpret_cast<QMenuBarToNSMenuFunction>(function)(platformMenuBar()));
    }
    return nil;
}
#endif //QT_NO_MENUBAR

QT_END_NAMESPACE