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, 78 insertions, 0 deletions

diff --git a/include/animations/animationnodehelper.hxx b/include/animations/animationnodehelper.hxx
new file mode 100644
index 000000000..eee41cd28
--- /dev/null
+++ b/include/animations/animationnodehelper.hxx
@@ -0,0 +1,78 @@
+/* -*- 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 .
+ */
+
+#ifndef INCLUDED_ANIMATIONS_ANIMATIONNODEHELPER_HXX
+#define INCLUDED_ANIMATIONS_ANIMATIONNODEHELPER_HXX
+
+#include <com/sun/star/uno/Reference.hxx>
+#include <com/sun/star/animations/XAnimationNode.hpp>
+#include <com/sun/star/container/XEnumerationAccess.hpp>
+#include <com/sun/star/container/XEnumeration.hpp>
+
+#include <vector>
+
+/* Declaration and definition of AnimationNode helper */
+
+namespace anim
+{
+    // TODO(Q1): this could possibly be implemented with a somewhat
+    // more lightweight template, by having the actual worker receive
+    // only a function pointer, and a thin templated wrapper around
+    // that which converts member functions into that.
+
+    /** pushes the given node to the given vector and recursively calls itself for each child node.
+    */
+    inline void create_deep_vector( const css::uno::Reference< css::animations::XAnimationNode >& xNode,
+                                std::vector< css::uno::Reference< css::animations::XAnimationNode > >& rVector )
+    {
+        rVector.push_back( xNode );
+
+        try
+        {
+            // get an XEnumerationAccess to the children
+            css::uno::Reference< css::container::XEnumerationAccess >
+                  xEnumerationAccess( xNode, css::uno::UNO_QUERY );
+
+            if( xEnumerationAccess.is() )
+            {
+                css::uno::Reference< css::container::XEnumeration >
+                      xEnumeration = xEnumerationAccess->createEnumeration();
+
+                if( xEnumeration.is() )
+                {
+                    while( xEnumeration->hasMoreElements() )
+                    {
+                        css::uno::Reference< css::animations::XAnimationNode >
+                            xChildNode( xEnumeration->nextElement(),
+                                        css::uno::UNO_QUERY_THROW );
+
+                        create_deep_vector( xChildNode, rVector );
+                    }
+                }
+            }
+        }
+        catch( css::uno::Exception& )
+        {
+        }
+    }
+}
+
+#endif /* INCLUDED_ANIMATIONS_ANIMATIONNODEHELPER_HXX */
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */