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diff --git a/fpicker/source/aqua/FilterHelper.hxx b/fpicker/source/aqua/FilterHelper.hxx
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+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org.  If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+
+#ifndef _FILTERHELPER_HXX_
+#define _FILTERHELPER_HXX_
+
+// #ifndef _COM_SUN_STAR_UNO_TYPE_HXX_
+// #include <com/sun/star/uno/Type.hxx>
+// #endif
+
+// #ifndef INCLUDED_CPPU_UNOTYPE_HXX
+// #include <cppu/unotype.hxx>
+// #endif
+
+// #ifndef _TYPELIB_TYPECLASS_H_
+// #include "typelib/typeclass.h"
+// #endif
+
+// #ifndef _TYPELIB_TYPEDESCRIPTION_H_
+// #include "typelib/typedescription.h"
+// #endif
+
+#include <com/sun/star/beans/StringPair.hpp>
+#include <com/sun/star/uno/Sequence.hxx>
+
+#ifndef _COM_SUN_STAR_LANG_ILLEGALARGUMENTEXCEPTION_HXX_
+#include <com/sun/star/lang/IllegalArgumentException.hpp>
+#endif
+
+#ifndef _COM_SUN_STAR_UNO_RUNTIMEEXCEPTION_HXX_
+#include <com/sun/star/uno/RuntimeException.hpp>
+#endif
+
+// #ifndef _RTL_USTRING_H_
+// #include <rtl/ustring.hxx>
+// #endif
+
+#include <list>
+#include <vector>
+
+#include <premac.h>
+#include <Cocoa/Cocoa.h>
+#include <postmac.h>
+
+typedef ::com::sun::star::beans::StringPair UnoFilterEntry;
+typedef ::com::sun::star::uno::Sequence< UnoFilterEntry >   UnoFilterList;  // can be transported more effectively
+typedef ::std::list<NSString *> NSStringList;
+typedef ::std::list<rtl::OUString> OUStringList;
+
+struct FilterEntry
+{
+protected:
+    rtl::OUString       m_sTitle;
+    OUStringList        m_sFilterSuffixList;
+    UnoFilterList       m_aSubFilters;
+
+public:
+    FilterEntry( const rtl::OUString& _rTitle, const OUStringList _rFilter )
+    : m_sTitle( _rTitle )
+    , m_sFilterSuffixList( _rFilter )
+    {
+    }
+
+    FilterEntry( const rtl::OUString& _rTitle, const UnoFilterList& _rSubFilters );
+
+    rtl::OUString       getTitle() const { return m_sTitle; }
+    OUStringList    getFilterSuffixList() const { return m_sFilterSuffixList; }
+
+    /// determines if the filter has sub filter (i.e., the filter is a filter group in real)
+    sal_Bool        hasSubFilters( ) const;
+
+    /** retrieves the filters belonging to the entry
+        @return
+        the number of sub filters
+        */
+    sal_Int32       getSubFilters( UnoFilterList& _rSubFilterList );
+
+    // helpers for iterating the sub filters
+    const UnoFilterEntry*   beginSubFilters() const { return m_aSubFilters.getConstArray(); }
+    const UnoFilterEntry*   endSubFilters() const { return m_aSubFilters.getConstArray() + m_aSubFilters.getLength(); }
+};
+
+typedef ::std::vector < FilterEntry >       FilterList;
+
+class FilterHelper {
+
+public:
+    FilterHelper();
+    virtual ~FilterHelper();
+
+    //XFilterManager delegates
+    void SAL_CALL appendFilter( const ::rtl::OUString& aTitle, const ::rtl::OUString& aFilter )
+        throw( ::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::uno::RuntimeException );
+
+    void SAL_CALL setCurrentFilter( const ::rtl::OUString& aTitle )
+        throw( ::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::uno::RuntimeException );
+
+    ::rtl::OUString SAL_CALL getCurrentFilter(  )
+        throw( ::com::sun::star::uno::RuntimeException );
+
+    //XFilterGroupManager delegates
+    void SAL_CALL appendFilterGroup( const ::rtl::OUString& sGroupTitle, const ::com::sun::star::uno::Sequence< ::com::sun::star::beans::StringPair >& aFilters )
+        throw (::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::uno::RuntimeException);
+
+
+    //accessor
+    FilterList* getFilterList();
+    NSStringList* getFilterNames();
+
+    //misc
+    void SetCurFilter( const rtl::OUString& rFilter );
+    void SetFilterAtIndex(unsigned index);
+    OUStringList getCurrentFilterSuffixList();
+    int getCurrentFilterIndex();
+    void SetFilters();
+    sal_Bool filenameMatchesFilter(NSString * sFilename);
+
+private:
+    FilterList *m_pFilterList;
+    rtl::OUString m_aCurrentFilter;
+    NSStringList *m_pFilterNames;
+
+    int implAddFilter( const rtl::OUString rFilter, const OUStringList rSuffixList);
+    int implAddFilterGroup( const rtl::OUString rFilter,
+                            const ::com::sun::star::uno::Sequence< ::com::sun::star::beans::StringPair>& _rFilters );
+
+    sal_Bool FilterNameExists( const rtl::OUString rTitle );
+    sal_Bool FilterNameExists( const UnoFilterList& _rGroupedFilters );
+
+    void ensureFilterList( const ::rtl::OUString& _rInitialCurrentFilter );
+
+    void fillSuffixList(OUStringList& aSuffixList, const ::rtl::OUString& suffixString);
+
+};
+
+#endif //_FILTERHELPER_HXX_