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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 : #ifndef SD_SLIDESORTER_CACHE_CONFIGURATION_HXX
21 : #define SD_SLIDESORTER_CACHE_CONFIGURATION_HXX
22 :
23 : #include <com/sun/star/uno/Any.hxx>
24 : #include <vcl/timer.hxx>
25 : #include <com/sun/star/container/XNameAccess.hpp>
26 : #include <boost/shared_ptr.hpp>
27 : #include <boost/weak_ptr.hpp>
28 :
29 : namespace sd { namespace slidesorter { namespace cache {
30 :
31 : /** A very simple and easy-to-use access to configuration entries regarding
32 : the slide sorter cache.
33 : */
34 0 : class CacheConfiguration
35 : {
36 : public:
37 : /** Return an instance to this class. The reference is released after 5
38 : seconds. Subsequent calls to this function will create a new
39 : instance.
40 : */
41 : static ::boost::shared_ptr<CacheConfiguration> Instance (void);
42 :
43 : /** Look up the specified value in
44 : MultiPaneGUI/SlideSorter/PreviewCache. When the specified value
45 : does not exist then an empty Any is returned.
46 : */
47 : ::com::sun::star::uno::Any GetValue (const ::rtl::OUString& rName);
48 :
49 : private:
50 : /** When a caller holds a reference after we have released ours we use
51 : this weak pointer to avoid creating a new instance.
52 : */
53 : static ::boost::weak_ptr<CacheConfiguration> mpWeakInstance;
54 : static Timer maReleaseTimer;
55 : ::com::sun::star::uno::Reference<
56 : ::com::sun::star::container::XNameAccess> mxCacheNode;
57 :
58 : CacheConfiguration (void);
59 :
60 : DECL_LINK(TimerCallback, void *);
61 : };
62 :
63 : } } } // end of namespace ::sd::slidesorter::cache
64 :
65 : #endif
66 :
67 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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