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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_SVL_ONDEMAND_HXX
21 : #define INCLUDED_SVL_ONDEMAND_HXX
22 :
23 : #include <unotools/syslocale.hxx>
24 : #include <i18nlangtag/lang.h>
25 : #include <unotools/localedatawrapper.hxx>
26 : #include <unotools/calendarwrapper.hxx>
27 : #include <unotools/collatorwrapper.hxx>
28 : #include <com/sun/star/i18n/CollatorOptions.hpp>
29 : #include <unotools/transliterationwrapper.hxx>
30 : #include <com/sun/star/i18n/TransliterationModules.hpp>
31 : #include <unotools/nativenumberwrapper.hxx>
32 : #include <com/sun/star/uno/Reference.hxx>
33 : #include <com/sun/star/lang/XMultiServiceFactory.hpp>
34 : #include <comphelper/processfactory.hxx>
35 :
36 : /*
37 : On demand instanciation and initialization of several i18n wrappers,
38 : helping the number formatter to not perform worse than it already does.
39 : */
40 :
41 : /** @short
42 : Switch between LANGUAGE_SYSTEM and LANGUAGE_ENGLISH_US and any other
43 : LocaleDataWrapper.
44 : SvNumberformatter uses it upon switching locales.
45 :
46 : @descr
47 : Avoids reloading and analysing of locale data again and again.
48 :
49 : @ATTENTION
50 : If the default ctor is used the init() method MUST be called before
51 : accessing any locale data. The passed parameters Locale and LanguageType
52 : must match each other.
53 : */
54 :
55 : class OnDemandLocaleDataWrapper
56 : {
57 : ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext > m_xContext;
58 : SvtSysLocale aSysLocale;
59 : LanguageType eCurrentLanguage;
60 : LanguageType eLastAnyLanguage;
61 : const LocaleDataWrapper* pSystem;
62 : const LocaleDataWrapper* pEnglish;
63 : LocaleDataWrapper* pAny;
64 : const LocaleDataWrapper* pCurrent;
65 : bool bInitialized;
66 :
67 : public:
68 0 : OnDemandLocaleDataWrapper()
69 : : eLastAnyLanguage( LANGUAGE_DONTKNOW )
70 : , pEnglish(0)
71 : , pAny(0)
72 0 : , bInitialized(false)
73 : {
74 0 : pCurrent = pSystem = aSysLocale.GetLocaleDataPtr();
75 0 : eCurrentLanguage = LANGUAGE_SYSTEM;
76 0 : }
77 : OnDemandLocaleDataWrapper(
78 : const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext >& rxContext,
79 : const LanguageTag& rLanguageTag
80 : )
81 : : pEnglish(0)
82 : , pAny(0)
83 : , pCurrent(0)
84 : , bInitialized(false)
85 : {
86 : pSystem = aSysLocale.GetLocaleDataPtr();
87 : init( rxContext, rLanguageTag );
88 : }
89 0 : ~OnDemandLocaleDataWrapper()
90 0 : {
91 0 : delete pEnglish;
92 0 : delete pAny;
93 0 : }
94 :
95 0 : bool isInitialized() const { return bInitialized; }
96 :
97 : bool is() const { return pCurrent != NULL; }
98 :
99 0 : void init(
100 : const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext >& rxContext,
101 : const LanguageTag& rLanguageTag
102 : )
103 : {
104 0 : m_xContext = rxContext;
105 0 : changeLocale( rLanguageTag );
106 0 : bInitialized = true;
107 0 : }
108 :
109 0 : void changeLocale( const LanguageTag& rLanguageTag )
110 : {
111 0 : LanguageType eLang = rLanguageTag.getLanguageType( false);
112 0 : switch ( eLang )
113 : {
114 : case LANGUAGE_SYSTEM :
115 0 : pCurrent = pSystem;
116 0 : break;
117 : case LANGUAGE_ENGLISH_US :
118 0 : if ( !pEnglish )
119 0 : pEnglish = new LocaleDataWrapper( m_xContext, rLanguageTag );
120 0 : pCurrent = pEnglish;
121 0 : break;
122 : default:
123 0 : if ( !pAny )
124 : {
125 0 : pAny = new LocaleDataWrapper( m_xContext, rLanguageTag );
126 0 : eLastAnyLanguage = eLang;
127 : }
128 0 : else if ( eLastAnyLanguage != eLang )
129 : {
130 0 : pAny->setLanguageTag( rLanguageTag );
131 0 : eLastAnyLanguage = eLang;
132 : }
133 0 : pCurrent = pAny;
134 : }
135 0 : eCurrentLanguage = eLang;
136 0 : }
137 :
138 0 : LanguageType getCurrentLanguage() const
139 0 : { return eCurrentLanguage; }
140 :
141 : LocaleDataWrapper* getAnyLocale()
142 : {
143 : if ( !pAny )
144 : {
145 : pAny = new LocaleDataWrapper( m_xContext, pCurrent->getLanguageTag() );
146 : eLastAnyLanguage = eCurrentLanguage;
147 : }
148 : else if ( pCurrent != pAny )
149 : {
150 : pAny->setLanguageTag( pCurrent->getLanguageTag() );
151 : eLastAnyLanguage = eCurrentLanguage;
152 : }
153 : return pAny;
154 : }
155 :
156 0 : const LocaleDataWrapper* get() const { return pCurrent; }
157 0 : const LocaleDataWrapper* operator->() const { return get(); }
158 0 : const LocaleDataWrapper& operator*() const { return *get(); }
159 : };
160 :
161 : /** Load a calendar only if it's needed.
162 : SvNumberformatter uses it upon switching locales.
163 : @ATTENTION If the default ctor is used the init() method MUST be called
164 : before accessing the calendar.
165 : */
166 : class OnDemandCalendarWrapper
167 : {
168 : ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext > m_xContext;
169 : ::com::sun::star::lang::Locale aLocale;
170 : mutable CalendarWrapper* pPtr;
171 : mutable bool bValid;
172 : bool bInitialized;
173 :
174 : public:
175 0 : OnDemandCalendarWrapper()
176 : : pPtr(0)
177 : , bValid(false)
178 0 : , bInitialized(false)
179 0 : {}
180 : OnDemandCalendarWrapper(
181 : const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext >& rxContext,
182 : ::com::sun::star::lang::Locale& rLocale
183 : )
184 : : bValid(false)
185 : , bInitialized(false)
186 : {
187 : init( rxContext, rLocale );
188 : }
189 0 : ~OnDemandCalendarWrapper()
190 0 : {
191 0 : delete pPtr;
192 0 : }
193 :
194 : bool isInitialized() const { return bInitialized; }
195 :
196 : bool is() const { return pPtr != NULL; }
197 :
198 0 : void init(
199 : const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext >& rxContext,
200 : const ::com::sun::star::lang::Locale& rLocale
201 : )
202 : {
203 0 : m_xContext = rxContext;
204 0 : changeLocale( rLocale );
205 0 : if ( pPtr )
206 : {
207 0 : delete pPtr;
208 0 : pPtr = NULL;
209 : }
210 0 : bInitialized = true;
211 0 : }
212 :
213 0 : void changeLocale( const ::com::sun::star::lang::Locale& rLocale )
214 : {
215 0 : bValid = false;
216 0 : aLocale = rLocale;
217 0 : }
218 :
219 0 : CalendarWrapper* get() const
220 : {
221 0 : if ( !bValid )
222 : {
223 0 : if ( !pPtr )
224 0 : pPtr = new CalendarWrapper( m_xContext );
225 0 : pPtr->loadDefaultCalendar( aLocale );
226 0 : bValid = true;
227 : }
228 0 : return pPtr;
229 : }
230 :
231 : CalendarWrapper* operator->() { return get(); }
232 : CalendarWrapper& operator*() { return *get(); }
233 : };
234 :
235 : /** Load a transliteration only if it's needed.
236 : SvNumberformatter uses it upon switching locales.
237 : @ATTENTION If the default ctor is used the init() method MUST be called
238 : before accessing the transliteration.
239 : */
240 : class OnDemandTransliterationWrapper
241 : {
242 : ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext > m_xContext;
243 : LanguageType eLanguage;
244 : ::com::sun::star::i18n::TransliterationModules nType;
245 : mutable ::utl::TransliterationWrapper* pPtr;
246 : mutable bool bValid;
247 : bool bInitialized;
248 :
249 : public:
250 0 : OnDemandTransliterationWrapper()
251 : : eLanguage( LANGUAGE_SYSTEM )
252 : , nType(::com::sun::star::i18n::TransliterationModules_END_OF_MODULE)
253 : , pPtr(0)
254 : , bValid(false)
255 0 : , bInitialized(false)
256 0 : {}
257 : OnDemandTransliterationWrapper(
258 : const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext >& rxContext,
259 : LanguageType eLang,
260 : ::com::sun::star::i18n::TransliterationModules nTypeP
261 : )
262 : : bValid(false)
263 : , bInitialized(false)
264 : {
265 : init( rxContext, eLang, nTypeP );
266 : }
267 0 : ~OnDemandTransliterationWrapper()
268 0 : {
269 0 : delete pPtr;
270 0 : }
271 :
272 0 : bool isInitialized() const { return bInitialized; }
273 :
274 : bool is() const { return pPtr != NULL; }
275 :
276 0 : void init(
277 : const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext >& rxContext,
278 : LanguageType eLang,
279 : ::com::sun::star::i18n::TransliterationModules nTypeP
280 : )
281 : {
282 0 : m_xContext = rxContext;
283 0 : nType = nTypeP;
284 0 : changeLocale( eLang );
285 0 : if ( pPtr )
286 : {
287 0 : delete pPtr;
288 0 : pPtr = NULL;
289 : }
290 0 : bInitialized = true;
291 0 : }
292 :
293 0 : void changeLocale( LanguageType eLang )
294 : {
295 0 : bValid = false;
296 0 : eLanguage = eLang;
297 0 : }
298 :
299 0 : const ::utl::TransliterationWrapper* get() const
300 : {
301 0 : if ( !bValid )
302 : {
303 0 : if ( !pPtr )
304 0 : pPtr = new ::utl::TransliterationWrapper( m_xContext, nType );
305 0 : pPtr->loadModuleIfNeeded( eLanguage );
306 0 : bValid = true;
307 : }
308 0 : return pPtr;
309 : }
310 :
311 : const ::utl::TransliterationWrapper* getForModule( const OUString& rModule, LanguageType eLang ) const
312 : {
313 : if ( !pPtr )
314 : pPtr = new ::utl::TransliterationWrapper( m_xContext, nType );
315 : pPtr->loadModuleByImplName( rModule, eLang );
316 : bValid = false; // reforce settings change in get()
317 : return pPtr;
318 : }
319 :
320 0 : const ::utl::TransliterationWrapper* operator->() const { return get(); }
321 : const ::utl::TransliterationWrapper& operator*() const { return *get(); }
322 : };
323 :
324 : /** Load a native number service wrapper only if it's needed.
325 : SvNumberformatter uses it.
326 :
327 : @ATTENTION
328 : If the default ctor is used the init() method MUST be called
329 : before accessing the native number supplier.
330 : */
331 : class OnDemandNativeNumberWrapper
332 : {
333 : ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext > m_xContext;
334 : mutable NativeNumberWrapper* pPtr;
335 : bool bInitialized;
336 :
337 : public:
338 0 : OnDemandNativeNumberWrapper()
339 : : pPtr(0)
340 0 : , bInitialized(false)
341 0 : {}
342 : OnDemandNativeNumberWrapper(
343 : const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext >& rxContext
344 : )
345 : : pPtr(0)
346 : , bInitialized(false)
347 : {
348 : init( rxContext );
349 : }
350 0 : ~OnDemandNativeNumberWrapper()
351 0 : {
352 0 : delete pPtr;
353 0 : }
354 :
355 : bool isInitialized() const { return bInitialized; }
356 :
357 0 : void init(
358 : const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext >& rxContext
359 : )
360 : {
361 0 : m_xContext = rxContext;
362 0 : if ( pPtr )
363 : {
364 0 : delete pPtr;
365 0 : pPtr = NULL;
366 : }
367 0 : bInitialized = true;
368 0 : }
369 :
370 : bool is() const { return pPtr != NULL; }
371 :
372 0 : NativeNumberWrapper* get() const
373 : {
374 0 : if ( !pPtr )
375 0 : pPtr = new NativeNumberWrapper( m_xContext );
376 0 : return pPtr;
377 : }
378 :
379 : NativeNumberWrapper* operator->() { return get(); }
380 : NativeNumberWrapper& operator*() { return *get(); }
381 : };
382 :
383 : #endif // INCLUDED_SVL_ONDEMAND_HXX
384 :
385 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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