1 files changed, 75 insertions, 0 deletions
diff --git a/svl/source/filepicker/pickerhistory.cxx b/svl/source/filepicker/pickerhistory.cxx
new file mode 100644
index 000000000..525ac6694
--- /dev/null
+++ b/svl/source/filepicker/pickerhistory.cxx
@@ -0,0 +1,75 @@
+/* -*- 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 <svl/pickerhistoryaccess.hxx>
+#include <cppuhelper/weakref.hxx>
+#include <vector>
+
+namespace svt
+{
+    using namespace ::com::sun::star::uno;
+
+    namespace
+    {
+        typedef ::std::vector< css::uno::WeakReference< XInterface >  >  InterfaceArray;
+
+
+        InterfaceArray& getFolderPickerHistory()
+        {
+            static InterfaceArray s_aHistory;
+            return s_aHistory;
+        }
+
+
+        InterfaceArray& getFilePickerHistory()
+        {
+            static InterfaceArray s_aHistory;
+            return s_aHistory;
+        }
+
+
+        void implPushBackPicker( InterfaceArray& _rHistory, const Reference< XInterface >& _rxPicker )
+        {
+            if ( !_rxPicker.is() )
+                return;
+
+            // first, check which of the objects we hold in s_aHistory can be removed
+            _rHistory.erase(std::remove_if(_rHistory.begin(),
+                              _rHistory.end(),
+                              [](const css::uno::WeakReference< XInterface > & x) { return !x.get().is(); }),
+                            _rHistory.end());
+
+            // then push_back the picker
+            _rHistory.emplace_back( _rxPicker );
+        }
+    }
+
+    void addFolderPicker( const Reference< XInterface >& _rxPicker )
+    {
+        implPushBackPicker( getFolderPickerHistory(), _rxPicker );
+    }
+
+    void addFilePicker( const Reference< XInterface >& _rxPicker )
+    {
+        implPushBackPicker( getFilePickerHistory(), _rxPicker );
+    }
+
+}   // namespace svt
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */