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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 : //.........................................................................
25 : namespace svt
26 : {
27 : //.........................................................................
28 : using namespace ::com::sun::star::uno;
29 :
30 : namespace
31 : {
32 : typedef ::com::sun::star::uno::WeakReference< XInterface > InterfaceAdapter;
33 : typedef ::std::vector< InterfaceAdapter > InterfaceArray;
34 :
35 : // ----------------------------------------------------------------
36 0 : InterfaceArray& getFolderPickerHistory()
37 : {
38 0 : static InterfaceArray s_aHistory;
39 0 : return s_aHistory;
40 : }
41 :
42 : // ----------------------------------------------------------------
43 0 : InterfaceArray& getFilePickerHistory()
44 : {
45 0 : static InterfaceArray s_aHistory;
46 0 : return s_aHistory;
47 : }
48 :
49 : // ----------------------------------------------------------------
50 0 : void implPushBackPicker( InterfaceArray& _rHistory, const Reference< XInterface >& _rxPicker )
51 : {
52 0 : if ( !_rxPicker.is() )
53 0 : return;
54 :
55 : //=============================================================
56 : // first, check which of the objects we hold in s_aHistory can be removed
57 : {
58 0 : InterfaceArray aCleanedHistory;
59 0 : for ( InterfaceArray::const_iterator aLoop = _rHistory.begin();
60 0 : aLoop != _rHistory.end();
61 : ++aLoop
62 : )
63 : {
64 0 : Reference< XInterface > xCurrent( aLoop->get() );
65 0 : if ( xCurrent.is() )
66 : {
67 0 : if ( aCleanedHistory.empty() )
68 : // make some room, assume that all interfaces (from here on) are valie
69 0 : aCleanedHistory.reserve( _rHistory.size() - ( aLoop - _rHistory.begin() ) );
70 0 : aCleanedHistory.push_back( InterfaceAdapter( xCurrent ) );
71 : }
72 0 : }
73 0 : _rHistory.swap( aCleanedHistory );
74 : }
75 :
76 : //=============================================================
77 : // then push_back the picker
78 0 : _rHistory.push_back( InterfaceAdapter( _rxPicker ) );
79 : }
80 : }
81 :
82 : //---------------------------------------------------------------------
83 0 : void addFolderPicker( const Reference< XInterface >& _rxPicker )
84 : {
85 0 : implPushBackPicker( getFolderPickerHistory(), _rxPicker );
86 0 : }
87 :
88 : //---------------------------------------------------------------------
89 0 : void addFilePicker( const Reference< XInterface >& _rxPicker )
90 : {
91 0 : implPushBackPicker( getFilePickerHistory(), _rxPicker );
92 0 : }
93 :
94 : //.........................................................................
95 : } // namespace svt
96 : //.........................................................................
97 :
98 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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