svl/source/filepicker/pickerhistory.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include <svl/pickerhistoryaccess.hxx>
  21 #include <cppuhelper/weakref.hxx>
  22 #include <vector>
  23
  24 namespace svt
  25 {
  26     using namespace ::com::sun::star::uno;
  27
  28     namespace
  29     {
  30         typedef ::std::vector< css::uno::WeakReference< XInterface >  >  InterfaceArray;
  31
  32
  33         InterfaceArray& getFolderPickerHistory()
  34         {
  35             static InterfaceArray s_aHistory;
  36             return s_aHistory;
  37         }
  38
  39
  40         InterfaceArray& getFilePickerHistory()
  41         {
  42             static InterfaceArray s_aHistory;
  43             return s_aHistory;
  44         }
  45
  46
  47         void implPushBackPicker( InterfaceArray& _rHistory, const Reference< XInterface >& _rxPicker )
  48         {
  49             if ( !_rxPicker.is() )
  50                 return;
  51
  52             // first, check which of the objects we hold in s_aHistory can be removed
  53             std::erase_if(_rHistory, [](const css::uno::WeakReference< XInterface > & x) { return !x.get().is(); });
  54
  55             // then push_back the picker
  56             _rHistory.emplace_back( _rxPicker );
  57         }
  58     }
  59
  60     void addFolderPicker( const Reference< XInterface >& _rxPicker )
  61     {
  62         implPushBackPicker( getFolderPickerHistory(), _rxPicker );
  63     }
  64
  65     void addFilePicker( const Reference< XInterface >& _rxPicker )
  66     {
  67         implPushBackPicker( getFilePickerHistory(), _rxPicker );
  68     }
  69
  70 }   // namespace svt
  71
  72 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */