/****************************************************************************
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**
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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
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****************************************************************************/

#ifndef QCOCOADRAG_H
#define QCOCOADRAG_H

#include <Cocoa/Cocoa.h>
#include <QtGui>
#include <qpa/qplatformdrag.h>
#include <QtPlatformSupport/private/qsimpledrag_p.h>

#include <QtGui/private/qdnd_p.h>

QT_BEGIN_NAMESPACE

class QCocoaDrag : public QPlatformDrag
{
public:
    QCocoaDrag();

    virtual QMimeData *platformDropData();
    virtual Qt::DropAction drag(QDrag *m_drag);

    virtual Qt::DropAction defaultAction(Qt::DropActions possibleActions,
                                               Qt::KeyboardModifiers modifiers) const;

    /**
    * to meet NSView dragImage:at guarantees, we need to record the original
    * event and view when handling an event in QNSView
    */
    void setLastMouseEvent(NSEvent *event, NSView *view);

    void setAcceptedAction(Qt::DropAction act);
private:
    QDrag *m_drag;
    NSEvent *m_lastEvent;
    NSView *m_lastView;
    Qt::DropAction m_executed_drop_action;
};

class QCocoaDropData : public QInternalMimeData
{
public:
    QCocoaDropData(NSPasteboard *pasteboard);
    ~QCocoaDropData();
protected:
    bool hasFormat_sys(const QString &mimeType) const;
    QStringList formats_sys() const;
    QVariant retrieveData_sys(const QString &mimeType, QVariant::Type type) const;
public:
    CFStringRef dropPasteboard;
};


QT_END_NAMESPACE

#endif
