xref: /aoo41x/main/unotools/source/misc/syslocale.cxx (revision b5088357)
1 /**************************************************************
2  *
3  * Licensed to the Apache Software Foundation (ASF) under one
4  * or more contributor license agreements.  See the NOTICE file
5  * distributed with this work for additional information
6  * regarding copyright ownership.  The ASF licenses this file
7  * to you under the Apache License, Version 2.0 (the
8  * "License"); you may not use this file except in compliance
9  * with the License.  You may obtain a copy of the License at
10  *
11  *   http://www.apache.org/licenses/LICENSE-2.0
12  *
13  * Unless required by applicable law or agreed to in writing,
14  * software distributed under the License is distributed on an
15  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16  * KIND, either express or implied.  See the License for the
17  * specific language governing permissions and limitations
18  * under the License.
19  *
20  *************************************************************/
21 
22 
23 
24 // MARKER(update_precomp.py): autogen include statement, do not remove
25 #include "precompiled_unotools.hxx"
26 #ifndef GCC
27 #endif
28 
29 #include <unotools/syslocale.hxx>
30 #include <tools/string.hxx>
31 #include <unotools/syslocaleoptions.hxx>
32 #include <unotools/localedatawrapper.hxx>
33 #include <comphelper/processfactory.hxx>
34 #include <i18npool/mslangid.hxx>
35 #include <rtl/tencinfo.h>
36 #include <rtl/locale.h>
37 #include <osl/nlsupport.h>
38 
39 using namespace osl;
40 using namespace com::sun::star;
41 
42 
43 SvtSysLocale_Impl*  SvtSysLocale::pImpl = NULL;
44 sal_Int32           SvtSysLocale::nRefCount = 0;
45 
46 
47 class SvtSysLocale_Impl : public utl::ConfigurationListener
48 {
49 public:
50         SvtSysLocaleOptions     aSysLocaleOptions;
51         LocaleDataWrapper*      pLocaleData;
52         CharClass*              pCharClass;
53 
54                                 	SvtSysLocale_Impl();
55     virtual                     	~SvtSysLocale_Impl();
56 
57     CharClass*                  	GetCharClass();
58 	virtual void 					ConfigurationChanged( utl::ConfigurationBroadcaster*, sal_uInt32 );
59 };
60 
61 // -----------------------------------------------------------------------
62 
SvtSysLocale_Impl()63 SvtSysLocale_Impl::SvtSysLocale_Impl() : pCharClass(NULL)
64 {
65     pLocaleData = new LocaleDataWrapper( ::comphelper::getProcessServiceFactory(), aSysLocaleOptions.GetRealLocale() );
66 
67 	// listen for further changes
68     aSysLocaleOptions.AddListener( this );
69 }
70 
71 
~SvtSysLocale_Impl()72 SvtSysLocale_Impl::~SvtSysLocale_Impl()
73 {
74     aSysLocaleOptions.RemoveListener( this );
75     delete pCharClass;
76     delete pLocaleData;
77 }
78 
GetCharClass()79 CharClass* SvtSysLocale_Impl::GetCharClass()
80 {
81     if ( !pCharClass )
82         pCharClass = new CharClass(::comphelper::getProcessServiceFactory(), aSysLocaleOptions.GetRealLocale() );
83     return pCharClass;
84 }
85 
ConfigurationChanged(utl::ConfigurationBroadcaster *,sal_uInt32 nHint)86 void SvtSysLocale_Impl::ConfigurationChanged( utl::ConfigurationBroadcaster*, sal_uInt32 nHint )
87 {
88     MutexGuard aGuard( SvtSysLocale::GetMutex() );
89 	if ( nHint & SYSLOCALEOPTIONS_HINT_LOCALE )
90 	{
91 		com::sun::star::lang::Locale aLocale( aSysLocaleOptions.GetRealLocale() );
92 		pLocaleData->setLocale( aLocale );
93 		GetCharClass()->setLocale( aLocale );
94 	}
95 }
96 
97 // ====================================================================
98 
SvtSysLocale()99 SvtSysLocale::SvtSysLocale()
100 {
101     MutexGuard aGuard( GetMutex() );
102     if ( !pImpl )
103         pImpl = new SvtSysLocale_Impl;
104     ++nRefCount;
105 }
106 
107 
~SvtSysLocale()108 SvtSysLocale::~SvtSysLocale()
109 {
110     MutexGuard aGuard( GetMutex() );
111     if ( !--nRefCount )
112 	{
113         delete pImpl;
114         pImpl = NULL;
115 	}
116 }
117 
118 
119 // static
GetMutex()120 Mutex& SvtSysLocale::GetMutex()
121 {
122     static Mutex* pMutex = NULL;
123     if( !pMutex )
124     {
125         MutexGuard aGuard( Mutex::getGlobalMutex() );
126         if( !pMutex )
127         {
128             // #i77768# Due to a static reference in the toolkit lib
129             // we need a mutex that lives longer than the svl library.
130             // Otherwise the dtor would use a destructed mutex!!
131             pMutex = new Mutex;
132         }
133     }
134     return *pMutex;
135 }
136 
137 
GetLocaleData() const138 const LocaleDataWrapper& SvtSysLocale::GetLocaleData() const
139 {
140     return *(pImpl->pLocaleData);
141 }
142 
143 
GetLocaleDataPtr() const144 const LocaleDataWrapper* SvtSysLocale::GetLocaleDataPtr() const
145 {
146     return pImpl->pLocaleData;
147 }
148 
149 
GetCharClass() const150 const CharClass& SvtSysLocale::GetCharClass() const
151 {
152     return *(pImpl->GetCharClass());
153 }
154 
155 
GetCharClassPtr() const156 const CharClass* SvtSysLocale::GetCharClassPtr() const
157 {
158     return pImpl->GetCharClass();
159 }
160 
GetOptions() const161 SvtSysLocaleOptions& SvtSysLocale::GetOptions() const
162 {
163 	return pImpl->aSysLocaleOptions;
164 }
165 
GetLocale() const166 com::sun::star::lang::Locale SvtSysLocale::GetLocale() const
167 {
168 	return pImpl->aSysLocaleOptions.GetRealLocale();
169 }
170 
GetLanguage() const171 LanguageType SvtSysLocale::GetLanguage() const
172 {
173 	return pImpl->aSysLocaleOptions.GetRealLanguage();
174 }
175 
GetUILocale() const176 com::sun::star::lang::Locale SvtSysLocale::GetUILocale() const
177 {
178 	return pImpl->aSysLocaleOptions.GetRealUILocale();
179 }
180 
GetUILanguage() const181 LanguageType SvtSysLocale::GetUILanguage() const
182 {
183 	return pImpl->aSysLocaleOptions.GetRealUILanguage();
184 }
185 
186 //------------------------------------------------------------------------
187 
188 // static
GetBestMimeEncoding()189 rtl_TextEncoding SvtSysLocale::GetBestMimeEncoding()
190 {
191     const sal_Char* pCharSet = rtl_getBestMimeCharsetFromTextEncoding(
192             gsl_getSystemTextEncoding() );
193     if ( !pCharSet )
194     {
195         // If the system locale is unknown to us, e.g. LC_ALL=xx, match the UI
196         // language if possible.
197         ::com::sun::star::lang::Locale aLocale( SvtSysLocale().GetUILocale() );
198         rtl_Locale * pLocale = rtl_locale_register( aLocale.Language.getStr(),
199                 aLocale.Country.getStr(), aLocale.Variant.getStr() );
200         rtl_TextEncoding nEnc = osl_getTextEncodingFromLocale( pLocale );
201         pCharSet = rtl_getBestMimeCharsetFromTextEncoding( nEnc );
202     }
203     rtl_TextEncoding nRet;
204     if ( pCharSet )
205         nRet = rtl_getTextEncodingFromMimeCharset( pCharSet );
206     else
207         nRet = RTL_TEXTENCODING_UTF8;
208     return nRet;
209 }
210 
211