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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the Qt Compositor.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
** of its contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef WAYLAND_OBJECT_H
#define WAYLAND_OBJECT_H
#include <wayland-server.h>
#include <string.h>
#include <QtCompositor/qwaylandexport.h>
QT_BEGIN_NAMESPACE
namespace QtWayland {
template <typename T>
class Object : public T
{
public:
typedef T Base;
Object() { memset(this, 0, sizeof(T)); }
const T *base() const { return this; }
T *base() { return this; }
template <typename Implementation>
void addClientResource(wl_client *client,
wl_resource *resource,
int id, const struct wl_interface *interface,
Implementation implementation,
void (*destroy)(struct wl_resource *resource))
{
resource->object.id = id;
resource->object.interface = interface;
resource->object.implementation = (void (**)(void))implementation;
resource->data = this;
resource->destroy = destroy;
wl_client_add_resource(client, resource);
}
};
template <typename T>
T *resolve(wl_resource *from)
{
Object<typename T::Base> *object = reinterpret_cast<Object<typename T::Base> *>(from->data);
return static_cast<T *>(object);
}
template <typename T>
T *wayland_cast(typename T::Base *from)
{
Object<typename T::Base> *object = reinterpret_cast<Object<typename T::Base> *>(from);
return static_cast<T *>(object);
}
}
QT_END_NAMESPACE
#endif //WAYLAND_OBJECT_H
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