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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