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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
// Qt-Security score:significant reason:default
#ifndef QWAYLANDDATAOFFER_H
#define QWAYLANDDATAOFFER_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include <QtCore/qhash.h>
#include <QtCore/qstring.h>
#include <QtGui/private/qinternalmimedata_p.h>
#include <QtWaylandClient/private/qtwaylandclientglobal_p.h>
#include <QtWaylandClient/private/qwayland-wayland.h>
#include <memory>
QT_REQUIRE_CONFIG(wayland_datadevice);
QT_BEGIN_NAMESPACE
namespace QtWaylandClient {
class QWaylandDisplay;
class QWaylandMimeData;
class QWaylandAbstractDataOffer
{
public:
virtual void startReceiving(const QString &mimeType, int fd) = 0;
virtual QMimeData *mimeData() = 0;
virtual ~QWaylandAbstractDataOffer() = default;
};
class Q_WAYLANDCLIENT_EXPORT QWaylandDataOffer
: public QtWayland::wl_data_offer // needs to be the first because we do static casts from the user pointer to the wrapper
, public QWaylandAbstractDataOffer
{
public:
explicit QWaylandDataOffer(QWaylandDisplay *display, struct ::wl_data_offer *offer);
~QWaylandDataOffer() override;
QMimeData *mimeData() override;
Qt::DropActions supportedActions() const;
QString firstFormat() const;
void startReceiving(const QString &mimeType, int fd) override;
protected:
void data_offer_offer(const QString &mime_type) override;
void data_offer_source_actions(uint32_t source_actions) override;
void data_offer_action(uint32_t dnd_action) override;
private:
QWaylandDisplay *m_display = nullptr;
std::unique_ptr<QWaylandMimeData> m_mimeData;
Qt::DropActions m_supportedActions;
};
class QWaylandMimeData : public QInternalMimeData {
public:
explicit QWaylandMimeData(QWaylandAbstractDataOffer *dataOffer);
~QWaylandMimeData() override;
void appendFormat(const QString &mimeType);
protected:
bool hasFormat_sys(const QString &mimeType) const override;
QStringList formats_sys() const override;
QVariant retrieveData_sys(const QString &mimeType, QMetaType type) const override;
private:
std::optional<QByteArray> readData(const QString &mimeType) const;
QWaylandAbstractDataOffer *m_dataOffer = nullptr;
mutable QStringList m_types;
mutable QHash<QString, QByteArray> m_data;
};
} // namespace QtWaylandClient
QT_END_NAMESPACE
#endif