1 files changed, 140 insertions, 0 deletions
diff --git a/sd/source/core/shapelist.cxx b/sd/source/core/shapelist.cxx
new file mode 100644
index 0000000000..613286c9b9
--- /dev/null
+++ b/sd/source/core/shapelist.cxx
@@ -0,0 +1,140 @@
+/* -*- 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 .
+ */
+
+#include <svx/svdobj.hxx>
+#include <osl/diagnose.h>
+#include <shapelist.hxx>
+
+#include <algorithm>
+
+using namespace sd;
+
+ShapeList::ShapeList()
+{
+    maIter = maShapeList.end();
+}
+
+ShapeList::~ShapeList()
+{
+    clear();
+}
+
+/** adds the given shape to this list */
+void ShapeList::addShape( SdrObject& rObject )
+{
+    ListImpl::iterator aIter( std::find( maShapeList.begin(), maShapeList.end(), &rObject ) );
+    if( aIter == maShapeList.end() )
+    {
+        maShapeList.push_back(&rObject);
+        rObject.AddObjectUser( *this );
+    }
+    else
+    {
+        OSL_FAIL("sd::ShapeList::addShape(), given shape already part of list!");
+    }
+}
+
+/** removes the given shape from this list */
+void ShapeList::removeShape( SdrObject& rObject )
+{
+    ListImpl::iterator aIter( std::find( maShapeList.begin(), maShapeList.end(), &rObject ) );
+    if( aIter != maShapeList.end() )
+    {
+        bool bIterErased = aIter == maIter;
+
+        (*aIter)->RemoveObjectUser(*this);
+        aIter = maShapeList.erase( aIter );
+
+        if( bIterErased )
+            maIter = aIter;
+    }
+    else
+    {
+        OSL_FAIL("sd::ShapeList::removeShape(), given shape not part of list!");
+    }
+}
+
+/** removes all shapes from this list
+    NOTE: iterators will become invalid */
+void ShapeList::clear()
+{
+    ListImpl aShapeList;
+    aShapeList.swap( maShapeList );
+
+    for( auto& rpShape : aShapeList )
+        rpShape->RemoveObjectUser(*this);
+
+    maIter = maShapeList.end();
+}
+
+/** returns true if this list is empty */
+bool ShapeList::isEmpty() const
+{
+    return maShapeList.empty();
+}
+
+/** returns true if given shape is part of this list */
+bool ShapeList::hasShape( SdrObject& rObject ) const
+{
+    return std::find( maShapeList.begin(), maShapeList.end(), &rObject )  != maShapeList.end();
+}
+
+void ShapeList::ObjectInDestruction(const SdrObject& rObject)
+{
+    ListImpl::iterator aIter( std::find( maShapeList.begin(), maShapeList.end(), &rObject ) );
+    if( aIter != maShapeList.end() )
+    {
+        bool bIterErased = aIter == maIter;
+
+        aIter = maShapeList.erase( aIter );
+
+        if( bIterErased )
+            maIter = aIter;
+    }
+    else
+    {
+        OSL_FAIL("sd::ShapeList::ObjectInDestruction(), got a call from an unknown friend!");
+    }
+}
+
+SdrObject* ShapeList::getNextShape()
+{
+    if( maIter != maShapeList.end() )
+    {
+        return (*maIter++);
+    }
+    else
+    {
+        return nullptr;
+    }
+}
+
+void ShapeList::seekShape( sal_uInt32 nIndex )
+{
+    maIter = maShapeList.begin();
+    nIndex = std::min(nIndex, static_cast<sal_uInt32>(maShapeList.size()));
+    std::advance(maIter, nIndex);
+}
+
+bool ShapeList::hasMore() const
+{
+    return maIter != maShapeList.end();
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */