Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 49 insertions, 0 deletions

diff --git a/chart2/source/inc/DisposeHelper.hxx b/chart2/source/inc/DisposeHelper.hxx
new file mode 100644
index 000000000..8c9b0b7d4
--- /dev/null
+++ b/chart2/source/inc/DisposeHelper.hxx
@@ -0,0 +1,49 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+#pragma once
+
+#include <com/sun/star/uno/Reference.h>
+#include <com/sun/star/lang/XComponent.hpp>
+
+namespace chart::DisposeHelper
+{
+template <class T> void Dispose(const T& xInterface)
+{
+    css::uno::Reference<css::lang::XComponent> xComponent(xInterface, css::uno::UNO_QUERY);
+    if (xComponent.is())
+        xComponent->dispose();
+}
+
+template <class T> void DisposeAndClear(css::uno::Reference<T>& rInterface)
+{
+    Dispose<css::uno::Reference<T>>(rInterface);
+    rInterface.set(nullptr);
+}
+
+template <class Container> void DisposeAllElements(Container& rContainer)
+{
+    for (const auto& rElement : rContainer)
+    {
+        Dispose<typename Container::value_type>(rElement);
+    }
+}
+
+} //  namespace chart::DisposeHelper
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */