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/****************************************************************************
**
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtWaylandCompositor 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 QWAYLANDEXTENSION_H
#define QWAYLANDEXTENSION_H
#include <QtWaylandCompositor/qtwaylandcompositorglobal.h>
#include <QtCore/QObject>
#include <QtCore/QVector>
struct wl_interface;
QT_BEGIN_NAMESPACE
class QWaylandCompositor;
class QWaylandCompositorExtension;
class QWaylandCompositorExtensionPrivate;
class Q_WAYLAND_COMPOSITOR_EXPORT QWaylandObject : public QObject
{
Q_OBJECT
public:
virtual ~QWaylandObject();
QWaylandCompositorExtension *extension(const QByteArray &name);
QWaylandCompositorExtension *extension(const wl_interface *interface);
QList<QWaylandCompositorExtension *> extensions() const;
void addExtension(QWaylandCompositorExtension *extension);
void removeExtension(QWaylandCompositorExtension *extension);
protected:
QWaylandObject(QObject *parent = nullptr);
QWaylandObject(QObjectPrivate &d, QObject *parent = nullptr);
QList<QWaylandCompositorExtension *> extension_vector;
};
class Q_WAYLAND_COMPOSITOR_EXPORT QWaylandCompositorExtension : public QWaylandObject
{
Q_OBJECT
Q_DECLARE_PRIVATE(QWaylandCompositorExtension)
public:
QWaylandCompositorExtension();
QWaylandCompositorExtension(QWaylandObject *container);
virtual ~QWaylandCompositorExtension();
QWaylandObject *extensionContainer() const;
void setExtensionContainer(QWaylandObject *container);
virtual void initialize();
bool isInitialized() const;
virtual const struct wl_interface *extensionInterface() const = 0;
protected:
QWaylandCompositorExtension(QWaylandCompositorExtensionPrivate &dd);
QWaylandCompositorExtension(QWaylandObject *container, QWaylandCompositorExtensionPrivate &dd);
bool event(QEvent *event) override;
};
template <typename T>
class Q_WAYLAND_COMPOSITOR_EXPORT QWaylandCompositorExtensionTemplate : public QWaylandCompositorExtension
{
public:
QWaylandCompositorExtensionTemplate()
: QWaylandCompositorExtension()
{ }
QWaylandCompositorExtensionTemplate(QWaylandObject *container)
: QWaylandCompositorExtension(container)
{ }
const struct wl_interface *extensionInterface() const override
{
return T::interface();
}
static T *findIn(QWaylandObject *container)
{
if (!container) return nullptr;
return qobject_cast<T *>(container->extension(T::interfaceName()));
}
protected:
QWaylandCompositorExtensionTemplate(QWaylandCompositorExtensionPrivate &dd)
: QWaylandCompositorExtension(dd)
{ }
QWaylandCompositorExtensionTemplate(QWaylandObject *container, QWaylandCompositorExtensionPrivate &dd)
: QWaylandCompositorExtension(container,dd)
{ }
};
QT_END_NAMESPACE
#endif
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