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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtCore 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 The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/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 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QCORE_MAC_P_H
#define QCORE_MAC_P_H

//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists for the convenience
// of other Qt classes.  This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//

#ifndef __IMAGECAPTURE__
#  define __IMAGECAPTURE__
#endif

#if defined(QT_BOOTSTRAPPED)
#include <ApplicationServices/ApplicationServices.h>
#else
#include <CoreFoundation/CoreFoundation.h>
#endif

#include "qglobal.h"

#ifdef __OBJC__
#include <Foundation/Foundation.h>
#endif

#include "qstring.h"

#if defined( __OBJC__) && defined(QT_NAMESPACE)
#define QT_NAMESPACE_ALIAS_OBJC_CLASS(__KLASS__) @compatibility_alias __KLASS__ QT_MANGLE_NAMESPACE(__KLASS__)
#else
#define QT_NAMESPACE_ALIAS_OBJC_CLASS(__KLASS__)
#endif

QT_BEGIN_NAMESPACE

/*
    Helper class that automates refernce counting for CFtypes.
    After constructing the QCFType object, it can be copied like a
    value-based type.

    Note that you must own the object you are wrapping.
    This is typically the case if you get the object from a Core
    Foundation function with the word "Create" or "Copy" in it. If
    you got the object from a "Get" function, either retain it or use
    constructFromGet(). One exception to this rule is the
    HIThemeGet*Shape functions, which in reality are "Copy" functions.
*/
template <typename T>
class Q_CORE_EXPORT QCFType
{
public:
    inline QCFType(const T &t = 0) : type(t) {}
    inline QCFType(const QCFType &helper) : type(helper.type) { if (type) CFRetain(type); }
    inline ~QCFType() { if (type) CFRelease(type); }
    inline operator T() { return type; }
    inline QCFType operator =(const QCFType &helper)
    {
        if (helper.type)
            CFRetain(helper.type);
        CFTypeRef type2 = type;
        type = helper.type;
        if (type2)
            CFRelease(type2);
        return *this;
    }
    inline T *operator&() { return &type; }
    template <typename X> X as() const { return reinterpret_cast<X>(type); }
    static QCFType constructFromGet(const T &t)
    {
        CFRetain(t);
        return QCFType<T>(t);
    }
protected:
    T type;
};

class Q_CORE_EXPORT QCFString : public QCFType<CFStringRef>
{
public:
    inline QCFString(const QString &str) : QCFType<CFStringRef>(0), string(str) {}
    inline QCFString(const CFStringRef cfstr = 0) : QCFType<CFStringRef>(cfstr) {}
    inline QCFString(const QCFType<CFStringRef> &other) : QCFType<CFStringRef>(other) {}
    operator QString() const;
    operator CFStringRef() const;
    static QString toQString(CFStringRef cfstr);
    static CFStringRef toCFStringRef(const QString &str);
#ifdef __OBJC__
    static QString toQString(const NSString *nsstr);
    static  NSString *toNSString(const QString &string);
#endif

private:
    QString string;
};

typedef struct {
    int major, minor, patch;
} QAppleOperatingSystemVersion;

QAppleOperatingSystemVersion qt_apple_os_version();

#ifdef Q_OS_OSX
Q_CORE_EXPORT QChar qt_mac_qtKey2CocoaKey(Qt::Key key);
Q_CORE_EXPORT Qt::Key qt_mac_cocoaKey2QtKey(QChar keyCode);
#endif

QT_END_NAMESPACE

#endif // QCORE_MAC_P_H