1 files changed, 178 insertions, 0 deletions
diff --git a/src/compositor/global/qwaylandextension.cpp b/src/compositor/global/qwaylandextension.cpp
new file mode 100644
index 000000000..4fee48df1
--- /dev/null
+++ b/src/compositor/global/qwaylandextension.cpp
@@ -0,0 +1,178 @@
+/****************************************************************************
+**
+** Copyright (C) 2015 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the QtWaylandCompositor module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL3$
+** 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 http://www.qt.io/terms-conditions. For further
+** information use the contact form at http://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.LGPLv3 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.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 later 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
+** ensure the GNU General Public License version 2.0 requirements will be
+** met: http://www.gnu.org/licenses/gpl-2.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+
+#include "qwaylandextension.h"
+#include "qwaylandextension_p.h"
+
+#include <QtCore/QCoreApplication>
+#include <QtCore/QDebug>
+
+#include <wayland-server.h>
+
+QT_BEGIN_NAMESPACE
+
+QWaylandExtension::QWaylandExtension()
+    : QWaylandObject(*new QWaylandExtensionPrivate())
+{
+}
+
+QWaylandExtension::QWaylandExtension(QWaylandObject *container)
+    : QWaylandObject(*new QWaylandExtensionPrivate())
+{
+    d_func()->extension_container = container;
+    QCoreApplication::postEvent(this, new QEvent(QEvent::Polish));
+}
+
+QWaylandExtension::QWaylandExtension(QWaylandExtensionPrivate &dd)
+    : QWaylandObject(dd)
+{
+}
+
+QWaylandExtension::QWaylandExtension(QWaylandObject *container, QWaylandExtensionPrivate &dd)
+    : QWaylandObject(dd)
+{
+    d_func()->extension_container = container;
+    QCoreApplication::postEvent(this, new QEvent(QEvent::Polish));
+}
+
+QWaylandExtension::~QWaylandExtension()
+{
+    Q_D(QWaylandExtension);
+    if (d->extension_container)
+        d->extension_container->removeExtension(this);
+}
+
+QWaylandObject *QWaylandExtension::extensionContainer() const
+{
+    Q_D(const QWaylandExtension);
+    return d->extension_container;
+}
+
+void QWaylandExtension::setExtensionContainer(QWaylandObject *container)
+{
+    Q_D(QWaylandExtension);
+    d->extension_container = container;
+}
+
+void QWaylandExtension::initialize()
+{
+    Q_D(QWaylandExtension);
+    if (d->initialized) {
+        qWarning() << "QWaylandExtension:" << extensionInterface()->name << "is already initialized";
+        return;
+    }
+
+    if (!d->extension_container) {
+        qWarning() << "QWaylandExtension:" << extensionInterface()->name << "requests to initialize with no extension container set";
+        return;
+    }
+
+    d->extension_container->addExtension(this);
+    d->initialized = true;
+}
+
+bool QWaylandExtension::isInitialized() const
+{
+    Q_D(const QWaylandExtension);
+    return d->initialized;
+}
+
+bool QWaylandExtension::event(QEvent *event)
+{
+    switch(event->type()) {
+    case QEvent::Polish:
+        initialize();
+        break;
+    default:
+        break;
+    }
+    return QWaylandObject::event(event);
+}
+
+QWaylandObject::QWaylandObject(QObject *parent)
+    :QObject(parent)
+{
+}
+
+QWaylandObject::QWaylandObject(QObjectPrivate &d, QObject *parent)
+    :QObject(d, parent)
+{
+}
+
+
+QWaylandObject::~QWaylandObject()
+{
+    foreach (QWaylandExtension *extension, extension_vector)
+        QWaylandExtensionPrivate::get(extension)->extension_container = Q_NULLPTR;
+}
+
+QWaylandExtension *QWaylandObject::extension(const QByteArray &name)
+{
+    for (int i = 0; i < extension_vector.size(); i++) {
+        if (extension_vector.at(i)->extensionInterface()->name == name)
+            return extension_vector.at(i);
+    }
+    return Q_NULLPTR;
+}
+
+QWaylandExtension *QWaylandObject::extension(const wl_interface *interface)
+{
+    for (int i = 0; i < extension_vector.size(); i++) {
+        if (extension_vector.at(i)->extensionInterface() == interface)
+            return extension_vector.at(i);
+    }
+    return Q_NULLPTR;
+}
+
+QList<QWaylandExtension *> QWaylandObject::extensions() const
+{
+    return extension_vector;
+}
+
+void QWaylandObject::addExtension(QWaylandExtension *extension)
+{
+    Q_ASSERT(!extension_vector.contains(extension));
+    extension_vector.append(extension);
+}
+
+void QWaylandObject::removeExtension(QWaylandExtension *extension)
+{
+    Q_ASSERT(extension_vector.contains(extension));
+    extension_vector.removeOne(extension);
+}
+
+QT_END_NAMESPACE