1 files changed, 98 insertions, 0 deletions
diff --git a/svx/source/svdraw/svdoutlinercache.cxx b/svx/source/svdraw/svdoutlinercache.cxx
new file mode 100644
index 000000000..1d9d75d81
--- /dev/null
+++ b/svx/source/svdraw/svdoutlinercache.cxx
@@ -0,0 +1,98 @@
+/* -*- 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 <svdoutlinercache.hxx>
+#include <svx/svdoutl.hxx>
+#include <svx/svdmodel.hxx>
+#include <svx/svdetc.hxx>
+
+SdrOutlinerCache::SdrOutlinerCache( SdrModel* pModel )
+:   mpModel( pModel ),
+    maModeOutline(),
+    maModeText(),
+    maActiveOutliners()
+{
+}
+
+std::unique_ptr<SdrOutliner> SdrOutlinerCache::createOutliner( OutlinerMode nOutlinerMode )
+{
+    std::unique_ptr<SdrOutliner> pOutliner;
+
+    if( (OutlinerMode::OutlineObject == nOutlinerMode) && !maModeOutline.empty() )
+    {
+        pOutliner = std::move(maModeOutline.back());
+        maModeOutline.pop_back();
+    }
+    else if( (OutlinerMode::TextObject == nOutlinerMode) && !maModeText.empty() )
+    {
+        pOutliner = std::move(maModeText.back());
+        maModeText.pop_back();
+    }
+    else
+    {
+        pOutliner = SdrMakeOutliner(nOutlinerMode, *mpModel);
+        Outliner& aDrawOutliner = mpModel->GetDrawOutliner();
+        pOutliner->SetCalcFieldValueHdl( aDrawOutliner.GetCalcFieldValueHdl() );
+        maActiveOutliners.insert(pOutliner.get());
+    }
+
+    return pOutliner;
+}
+
+SdrOutlinerCache::~SdrOutlinerCache()
+{
+}
+
+void SdrOutlinerCache::disposeOutliner( std::unique_ptr<SdrOutliner> pOutliner )
+{
+    if( pOutliner )
+    {
+        OutlinerMode nOutlMode = pOutliner->GetOutlinerMode();
+
+        if( OutlinerMode::OutlineObject == nOutlMode )
+        {
+            pOutliner->Clear();
+            pOutliner->SetVertical( false );
+
+            // Deregister on outliner, might be reused from outliner cache
+            pOutliner->SetNotifyHdl( Link<EENotify&,void>() );
+            maModeOutline.emplace_back(std::move(pOutliner));
+        }
+        else if( OutlinerMode::TextObject == nOutlMode )
+        {
+            pOutliner->Clear();
+            pOutliner->SetVertical( false );
+
+            // Deregister on outliner, might be reused from outliner cache
+            pOutliner->SetNotifyHdl( Link<EENotify&,void>() );
+            maModeText.emplace_back(std::move(pOutliner));
+        }
+        else
+        {
+            maActiveOutliners.erase(pOutliner.get());
+        }
+    }
+}
+
+std::vector< SdrOutliner* > SdrOutlinerCache::GetActiveOutliners() const
+{
+    return std::vector< SdrOutliner* >(maActiveOutliners.begin(), maActiveOutliners.end());
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */