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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 INCLUDED_FRAMEWORK_SOURCE_INC_ACCELERATORS_STORAGEHOLDER_HXX
21 : #define INCLUDED_FRAMEWORK_SOURCE_INC_ACCELERATORS_STORAGEHOLDER_HXX
22 :
23 : #include <accelerators/istoragelistener.hxx>
24 : #include <general.h>
25 : #include <stdtypes.h>
26 :
27 : #include <com/sun/star/embed/XStorage.hpp>
28 :
29 : namespace framework
30 : {
31 :
32 : /**
33 : TODO document me
34 : */
35 : class StorageHolder
36 : {
37 :
38 : // types
39 : public:
40 :
41 : /** @short TODO */
42 : typedef ::std::vector< css::uno::Reference< css::embed::XStorage > > TStorageList;
43 :
44 : typedef ::std::vector< IStorageListener* > TStorageListenerList;
45 :
46 0 : struct TStorageInfo
47 : {
48 : public:
49 : css::uno::Reference< css::embed::XStorage > Storage;
50 : sal_Int32 UseCount;
51 : TStorageListenerList Listener;
52 :
53 0 : TStorageInfo()
54 0 : : UseCount(0)
55 0 : {}
56 : };
57 :
58 : /** @short TODO */
59 : typedef ::boost::unordered_map< OUString ,
60 : TStorageInfo ,
61 : OUStringHash ,
62 : ::std::equal_to< OUString > > TPath2StorageInfo;
63 :
64 : // member
65 : private:
66 : mutable osl::Mutex m_mutex;
67 :
68 : /** @short TODO */
69 : css::uno::Reference< css::embed::XStorage > m_xRoot;
70 :
71 : /** @short TODO */
72 : TPath2StorageInfo m_lStorages;
73 :
74 : // interface
75 : public:
76 :
77 : /** @short TODO
78 : */
79 : StorageHolder();
80 :
81 : /** @short TODO
82 : */
83 : virtual ~StorageHolder();
84 :
85 : /** @short TODO
86 : */
87 : virtual void forgetCachedStorages();
88 :
89 : /** @short TODO
90 : */
91 : virtual void setRootStorage(const css::uno::Reference< css::embed::XStorage >& xRoot);
92 :
93 : /** @short TODO
94 : */
95 : virtual css::uno::Reference< css::embed::XStorage > getRootStorage() const;
96 :
97 : /** @short TODO
98 : open or get!
99 : */
100 : virtual css::uno::Reference< css::embed::XStorage > openPath(const OUString& sPath ,
101 : sal_Int32 nOpenMode);
102 :
103 : /** @short TODO
104 : */
105 : virtual StorageHolder::TStorageList getAllPathStorages(const OUString& sPath);
106 :
107 : /** @short TODO
108 : */
109 : virtual void commitPath(const OUString& sPath);
110 :
111 : /** @short TODO
112 : */
113 : virtual void closePath(const OUString& sPath);
114 :
115 : /** @short TODO
116 : */
117 : virtual void notifyPath(const OUString& sPath);
118 :
119 : /** @short TODO
120 : */
121 : virtual void addStorageListener( IStorageListener* pListener,
122 : const OUString& sPath );
123 :
124 : /** @short TODO
125 : */
126 : virtual void removeStorageListener( IStorageListener* pListener,
127 : const OUString& sPath );
128 :
129 : /** @short TODO
130 : */
131 : virtual OUString getPathOfStorage(const css::uno::Reference< css::embed::XStorage >& xStorage);
132 :
133 : /** @short TODO
134 : */
135 : virtual css::uno::Reference< css::embed::XStorage > getParentStorage(const css::uno::Reference< css::embed::XStorage >& xChild);
136 :
137 : /** @short TODO
138 : */
139 : virtual css::uno::Reference< css::embed::XStorage > getParentStorage(const OUString& sChildPath);
140 :
141 : /** @short TODO
142 : */
143 : void operator=(const StorageHolder& rCopy);
144 :
145 : /** @short opens a sub element of the specified base storage.
146 :
147 : @descr First this method try to open the requested sub element
148 : using the given open mode. If it failed there is second step,
149 : which tries to do the same again ... but removing a might existing
150 : WRITE flag from the open mode. The user can supress this fallback
151 : handling by setting the parameter bAllowFallback to sal_False.
152 :
153 : @param xBaseStorage
154 : the storage, where the sub element should be searched.
155 :
156 : @param sSubElement
157 : the full name of the sub element.
158 : e.g. "default.xml"
159 :
160 : @param eOpenMode
161 : a flag field, which set the open mode for this operation.
162 :
163 : @param bAllowFallback
164 : if eOpenMode contains an ELEMENT_WRITE flag this parameter
165 : allow to remove it and try it with the rest of eOpenMode flags
166 : again.
167 : */
168 : static css::uno::Reference< css::embed::XStorage > openSubStorageWithFallback(const css::uno::Reference< css::embed::XStorage >& xBaseStorage ,
169 : const OUString& sSubStorage ,
170 : sal_Int32 eOpenMode ,
171 : bool bAllowFallback);
172 :
173 : static css::uno::Reference< css::io::XStream > openSubStreamWithFallback(const css::uno::Reference< css::embed::XStorage >& xBaseStorage ,
174 : const OUString& sSubStream ,
175 : sal_Int32 eOpenMode ,
176 : bool bAllowFallback);
177 :
178 : // helper
179 : private:
180 :
181 : /** @short TODO
182 : */
183 : static OUString impl_st_normPath(const OUString& sPath);
184 :
185 : /** @short TODO
186 : */
187 : static OUStringList impl_st_parsePath(const OUString& sPath);
188 : };
189 :
190 : } // namespace framework
191 :
192 : #endif // INCLUDED_FRAMEWORK_SOURCE_INC_ACCELERATORS_STORAGEHOLDER_HXX
193 :
194 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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