Add QAspectFactory class, creates aspects by name

Change-Id: I91480d9a61accf313d10f5ddb21100fdc13481c2
Reviewed-by: Giuseppe D'Angelo <giuseppe.dangelo@kdab.com>

1 files changed, 106 insertions, 0 deletions

diff --git a/src/core/aspects/qaspectfactory.cpp b/src/core/aspects/qaspectfactory.cpp
new file mode 100644
index 000000000..7277bcdc2
--- /dev/null
+++ b/src/core/aspects/qaspectfactory.cpp
@@ -0,0 +1,106 @@
+/****************************************************************************
+**
+** Copyright (C) 2015 Klaralvdalens Datakonsult AB (KDAB).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the Qt3D 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 Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/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 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 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 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qaspectfactory.h"
+#include "qaspectfactory_p.h"
+
+#include <QDebug>
+
+QT_BEGIN_NAMESPACE
+
+namespace Qt3D {
+
+QHash<QString, QAspectFactory::CreateFunction> QAspectFactoryPrivate::m_defaultFactories;
+
+void _qt3d_QAspectFactoryPrivate_addDefaultFactory(const QString &name,
+                                                   QAspectFactory::CreateFunction factory)
+{
+    QAspectFactoryPrivate::m_defaultFactories.insert(name, factory);
+}
+
+QAspectFactoryPrivate::QAspectFactoryPrivate()
+    : m_factories(m_defaultFactories)
+{
+}
+
+QAspectFactory::QAspectFactory()
+    : d(new QAspectFactoryPrivate)
+{
+}
+
+QAspectFactory::QAspectFactory(const QAspectFactory &other)
+    : d(other.d)
+{
+}
+
+QAspectFactory::~QAspectFactory()
+{
+}
+
+QAspectFactory &QAspectFactory::operator=(const QAspectFactory &other)
+{
+    d = other.d;
+    return *this;
+}
+
+void QAspectFactory::addFactory(const QString &name, QAspectFactory::CreateFunction factory)
+{
+    d->m_factories.insert(name, factory);
+}
+
+QStringList QAspectFactory::availableFactories() const
+{
+    return d->m_factories.keys();
+}
+
+QAbstractAspect *QAspectFactory::createAspect(const QString &aspect, QObject *parent) const
+{
+    if (d->m_factories.contains(aspect)) {
+        return d->m_factories.value(aspect)(parent);
+    } else {
+        qWarning() << "Unsupported aspect name:" << aspect << "please check registrations";
+        return Q_NULLPTR;
+    }
+}
+
+} // namespace Qt3D
+
+QT_END_NAMESPACE