Line data    Source code

       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 ::com::sun::star::uno::WeakReference< XInterface >  InterfaceAdapter;
      31             :         typedef ::std::vector< InterfaceAdapter  >                  InterfaceArray;
      32             : 
      33             : 
      34           2 :         InterfaceArray& getFolderPickerHistory()
      35             :         {
      36           2 :             static InterfaceArray s_aHistory;
      37           2 :             return s_aHistory;
      38             :         }
      39             : 
      40             : 
      41           0 :         InterfaceArray& getFilePickerHistory()
      42             :         {
      43           0 :             static InterfaceArray s_aHistory;
      44           0 :             return s_aHistory;
      45             :         }
      46             : 
      47             : 
      48           2 :         void implPushBackPicker( InterfaceArray& _rHistory, const Reference< XInterface >& _rxPicker )
      49             :         {
      50           2 :             if ( !_rxPicker.is() )
      51           2 :                 return;
      52             : 
      53             :             // first, check which of the objects we hold in s_aHistory can be removed
      54             :             {
      55           2 :                 InterfaceArray aCleanedHistory;
      56           6 :                 for (   InterfaceArray::const_iterator aLoop = _rHistory.begin();
      57           4 :                         aLoop != _rHistory.end();
      58             :                         ++aLoop
      59             :                     )
      60             :                 {
      61           0 :                     Reference< XInterface > xCurrent( aLoop->get() );
      62           0 :                     if ( xCurrent.is() )
      63             :                     {
      64           0 :                         if ( aCleanedHistory.empty() )
      65             :                             // make some room, assume that all interfaces (from here on) are valid
      66           0 :                             aCleanedHistory.reserve( _rHistory.size() - ( aLoop - _rHistory.begin() ) );
      67           0 :                         aCleanedHistory.push_back( InterfaceAdapter( xCurrent ) );
      68             :                     }
      69           0 :                 }
      70           2 :                 _rHistory.swap( aCleanedHistory );
      71             :             }
      72             : 
      73             :             // then push_back the picker
      74           2 :             _rHistory.push_back( InterfaceAdapter( _rxPicker ) );
      75             :         }
      76             :     }
      77             : 
      78           2 :     void addFolderPicker( const Reference< XInterface >& _rxPicker )
      79             :     {
      80           2 :         implPushBackPicker( getFolderPickerHistory(), _rxPicker );
      81           2 :     }
      82             : 
      83           0 :     void addFilePicker( const Reference< XInterface >& _rxPicker )
      84             :     {
      85           0 :         implPushBackPicker( getFilePickerHistory(), _rxPicker );
      86           0 :     }
      87             : 
      88             : }   // namespace svt
      89             : 
      90             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */