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+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2008 by Sun Microsystems, Inc.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * $RCSfile: ondemand.hxx,v $
+ * $Revision: 1.3 $
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org. If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+
+#ifndef INCLUDED_SVTOOLS_ONDEMAND_HXX
+#define INCLUDED_SVTOOLS_ONDEMAND_HXX
+
+#include <unotools/syslocale.hxx>
+#include <i18npool/lang.h>
+#include <unotools/localedatawrapper.hxx>
+#include <unotools/calendarwrapper.hxx>
+#include <unotools/collatorwrapper.hxx>
+#include <com/sun/star/i18n/CollatorOptions.hpp>
+#include <unotools/transliterationwrapper.hxx>
+#include <com/sun/star/i18n/TransliterationModules.hpp>
+#include <unotools/nativenumberwrapper.hxx>
+#include <com/sun/star/uno/Reference.hxx>
+#include <com/sun/star/lang/XMultiServiceFactory.hpp>
+
+/*
+ On demand instanciation and initialization of several i18n wrappers,
+ helping the number formatter to not perform worse than it already does.
+ */
+
+/** @short
+ Switch between LANGUAGE_SYSTEM and LANGUAGE_ENGLISH_US and any other
+ LocaleDataWrapper.
+ SvNumberformatter uses it upon switching locales.
+
+ @descr
+ Avoids reloading and analysing of locale data again and again.
+
+ @ATTENTION
+ If the default ctor is used the init() method MUST be called before
+ accessing any locale data. The passed parameters Locale and LanguageType
+ must match each other.
+ */
+
+class OnDemandLocaleDataWrapper
+{
+ ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory > xSMgr;
+ SvtSysLocale aSysLocale;
+ LanguageType eCurrentLanguage;
+ LanguageType eLastAnyLanguage;
+ const LocaleDataWrapper* pSystem;
+ const LocaleDataWrapper* pEnglish;
+ LocaleDataWrapper* pAny;
+ const LocaleDataWrapper* pCurrent;
+ bool bInitialized;
+
+public:
+ OnDemandLocaleDataWrapper()
+ : eLastAnyLanguage( LANGUAGE_DONTKNOW )
+ , pEnglish(0)
+ , pAny(0)
+ , bInitialized(false)
+ {
+ pCurrent = pSystem = aSysLocale.GetLocaleDataPtr();
+ eCurrentLanguage = LANGUAGE_SYSTEM;
+ }
+ OnDemandLocaleDataWrapper(
+ const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory >& rxSMgr,
+ ::com::sun::star::lang::Locale& rLocale,
+ LanguageType eLang
+ )
+ : pEnglish(0)
+ , pAny(0)
+ , pCurrent(0)
+ , bInitialized(false)
+ {
+ pSystem = aSysLocale.GetLocaleDataPtr();
+ init( rxSMgr, rLocale, eLang );
+ }
+ ~OnDemandLocaleDataWrapper()
+ {
+ delete pEnglish;
+ delete pAny;
+ }
+
+ bool isInitialized() const { return bInitialized; }
+
+ bool is() const { return pCurrent != NULL; }
+
+ void init(
+ const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory >& rxSMgr,
+ ::com::sun::star::lang::Locale& rLocale,
+ LanguageType eLang
+ )
+ {
+ xSMgr = rxSMgr;
+ changeLocale( rLocale, eLang );
+ bInitialized = true;
+ }
+
+ void changeLocale( ::com::sun::star::lang::Locale& rLocale, LanguageType eLang )
+ {
+ switch ( eLang )
+ {
+ case LANGUAGE_SYSTEM :
+ pCurrent = pSystem;
+ break;
+ case LANGUAGE_ENGLISH_US :
+ if ( !pEnglish )
+ pEnglish = new LocaleDataWrapper( xSMgr, rLocale );
+ pCurrent = pEnglish;
+ break;
+ default:
+ if ( !pAny )
+ {
+ pAny = new LocaleDataWrapper( xSMgr, rLocale );
+ eLastAnyLanguage = eLang;
+ }
+ else if ( eLastAnyLanguage != eLang )
+ {
+ pAny->setLocale( rLocale );
+ eLastAnyLanguage = eLang;
+ }
+ pCurrent = pAny;
+ }
+ eCurrentLanguage = eLang;
+ }
+
+ LanguageType getCurrentLanguage() const
+ { return eCurrentLanguage; }
+
+ LocaleDataWrapper* getAnyLocale()
+ {
+ if ( !pAny )
+ {
+ pAny = new LocaleDataWrapper( xSMgr, pCurrent->getLocale() );
+ eLastAnyLanguage = eCurrentLanguage;
+ }
+ else if ( pCurrent != pAny )
+ {
+ pAny->setLocale( pCurrent->getLocale() );
+ eLastAnyLanguage = eCurrentLanguage;
+ }
+ return pAny;
+ }
+
+ const LocaleDataWrapper* get() const { return pCurrent; }
+ const LocaleDataWrapper* operator->() const { return get(); }
+ const LocaleDataWrapper& operator*() const { return *get(); }
+};
+
+/** Load a calendar only if it's needed.
+ SvNumberformatter uses it upon switching locales.
+ @ATTENTION If the default ctor is used the init() method MUST be called
+ before accessing the calendar.
+ */
+class OnDemandCalendarWrapper
+{
+ ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory > xSMgr;
+ ::com::sun::star::lang::Locale aLocale;
+ mutable CalendarWrapper* pPtr;
+ mutable bool bValid;
+ bool bInitialized;
+
+public:
+ OnDemandCalendarWrapper()
+ : pPtr(0)
+ , bValid(false)
+ , bInitialized(false)
+ {}
+ OnDemandCalendarWrapper(
+ const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory >& rxSMgr,
+ ::com::sun::star::lang::Locale& rLocale
+ )
+ : bValid(false)
+ , bInitialized(false)
+ {
+ init( rxSMgr, rLocale );
+ }
+ ~OnDemandCalendarWrapper()
+ {
+ delete pPtr;
+ }
+
+ bool isInitialized() const { return bInitialized; }
+
+ bool is() const { return pPtr != NULL; }
+
+ void init(
+ const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory >& rxSMgr,
+ ::com::sun::star::lang::Locale& rLocale
+ )
+ {
+ xSMgr = rxSMgr;
+ changeLocale( rLocale );
+ if ( pPtr )
+ {
+ delete pPtr;
+ pPtr = NULL;
+ }
+ bInitialized = true;
+ }
+
+ void changeLocale( ::com::sun::star::lang::Locale& rLocale )
+ {
+ bValid = false;
+ aLocale = rLocale;
+ }
+
+ CalendarWrapper* get() const
+ {
+ if ( !bValid )
+ {
+ if ( !pPtr )
+ pPtr = new CalendarWrapper( xSMgr );
+ pPtr->loadDefaultCalendar( aLocale );
+ bValid = true;
+ }
+ return pPtr;
+ }
+
+ CalendarWrapper* operator->() { return get(); }
+ CalendarWrapper& operator*() { return *get(); }
+};
+
+/** Load a collator only if it's needed.
+ SvNumberformatter uses it upon switching locales.
+ @ATTENTION If the default ctor is used the init() method MUST be called
+ before accessing the collator.
+ */
+class OnDemandCollatorWrapper
+{
+ ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory > xSMgr;
+ ::com::sun::star::lang::Locale aLocale;
+ mutable CollatorWrapper* pPtr;
+ mutable bool bValid;
+ bool bInitialized;
+
+public:
+ OnDemandCollatorWrapper()
+ : pPtr(0)
+ , bValid(false)
+ , bInitialized(false)
+ {}
+ OnDemandCollatorWrapper(
+ const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory >& rxSMgr,
+ ::com::sun::star::lang::Locale& rLocale
+ )
+ : bValid(false)
+ , bInitialized(false)
+ {
+ init( rxSMgr, rLocale );
+ }
+ ~OnDemandCollatorWrapper()
+ {
+ delete pPtr;
+ }
+
+ bool isInitialized() const { return bInitialized; }
+
+ bool is() const { return pPtr != NULL; }
+
+ void init(
+ const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory >& rxSMgr,
+ ::com::sun::star::lang::Locale& rLocale
+ )
+ {
+ xSMgr = rxSMgr;
+ changeLocale( rLocale );
+ if ( pPtr )
+ {
+ delete pPtr;
+ pPtr = NULL;
+ }
+ bInitialized = true;
+ }
+
+ void changeLocale( ::com::sun::star::lang::Locale& rLocale )
+ {
+ bValid = false;
+ aLocale = rLocale;
+ }
+
+ const CollatorWrapper* get() const
+ {
+ if ( !bValid )
+ {
+ if ( !pPtr )
+ pPtr = new CollatorWrapper( xSMgr );
+ pPtr->loadDefaultCollator( aLocale, ::com::sun::star::i18n::CollatorOptions::CollatorOptions_IGNORE_CASE );
+ bValid = true;
+ }
+ return pPtr;
+ }
+
+ const CollatorWrapper* operator->() const { return get(); }
+ const CollatorWrapper& operator*() const { return *get(); }
+};
+
+/** Load a transliteration only if it's needed.
+ SvNumberformatter uses it upon switching locales.
+ @ATTENTION If the default ctor is used the init() method MUST be called
+ before accessing the transliteration.
+ */
+class OnDemandTransliterationWrapper
+{
+ ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory > xSMgr;
+ LanguageType eLanguage;
+ ::com::sun::star::i18n::TransliterationModules nType;
+ mutable ::utl::TransliterationWrapper* pPtr;
+ mutable bool bValid;
+ bool bInitialized;
+
+public:
+ OnDemandTransliterationWrapper()
+ : eLanguage( LANGUAGE_SYSTEM )
+ , pPtr(0)
+ , bValid(false)
+ , bInitialized(false)
+ {}
+ OnDemandTransliterationWrapper(
+ const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory >& rxSMgr,
+ LanguageType eLang,
+ ::com::sun::star::i18n::TransliterationModules nTypeP
+ )
+ : bValid(false)
+ , bInitialized(false)
+ {
+ init( rxSMgr, eLang, nTypeP );
+ }
+ ~OnDemandTransliterationWrapper()
+ {
+ delete pPtr;
+ }
+
+ bool isInitialized() const { return bInitialized; }
+
+ bool is() const { return pPtr != NULL; }
+
+ void init(
+ const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory >& rxSMgr,
+ LanguageType eLang,
+ ::com::sun::star::i18n::TransliterationModules nTypeP
+ )
+ {
+ xSMgr = rxSMgr;
+ nType = nTypeP;
+ changeLocale( eLang );
+ if ( pPtr )
+ {
+ delete pPtr;
+ pPtr = NULL;
+ }
+ bInitialized = true;
+ }
+
+ void changeLocale( LanguageType eLang )
+ {
+ bValid = false;
+ eLanguage = eLang;
+ }
+
+ const ::utl::TransliterationWrapper* get() const
+ {
+ if ( !bValid )
+ {
+ if ( !pPtr )
+ pPtr = new ::utl::TransliterationWrapper( xSMgr, nType );
+ pPtr->loadModuleIfNeeded( eLanguage );
+ bValid = true;
+ }
+ return pPtr;
+ }
+
+ const ::utl::TransliterationWrapper* getForModule( const String& rModule, LanguageType eLang ) const
+ {
+ if ( !pPtr )
+ pPtr = new ::utl::TransliterationWrapper( xSMgr, nType );
+ pPtr->loadModuleByImplName( rModule, eLang );
+ bValid = false; // reforce settings change in get()
+ return pPtr;
+ }
+
+ const ::utl::TransliterationWrapper* operator->() const { return get(); }
+ const ::utl::TransliterationWrapper& operator*() const { return *get(); }
+};
+
+/** Load a native number service wrapper only if it's needed.
+ SvNumberformatter uses it.
+
+ @ATTENTION
+ If the default ctor is used the init() method MUST be called
+ before accessing the native number supplier.
+ */
+class OnDemandNativeNumberWrapper
+{
+ ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory > xSMgr;
+ mutable NativeNumberWrapper* pPtr;
+ bool bInitialized;
+
+public:
+ OnDemandNativeNumberWrapper()
+ : pPtr(0)
+ , bInitialized(false)
+ {}
+ OnDemandNativeNumberWrapper(
+ const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory >& rxSMgr
+ )
+ : pPtr(0)
+ , bInitialized(false)
+ {
+ init( rxSMgr );
+ }
+ ~OnDemandNativeNumberWrapper()
+ {
+ delete pPtr;
+ }
+
+ bool isInitialized() const { return bInitialized; }
+
+ void init(
+ const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory >& rxSMgr
+ )
+ {
+ xSMgr = rxSMgr;
+ if ( pPtr )
+ {
+ delete pPtr;
+ pPtr = NULL;
+ }
+ bInitialized = true;
+ }
+
+ bool is() const { return pPtr != NULL; }
+
+ NativeNumberWrapper* get() const
+ {
+ if ( !pPtr )
+ pPtr = new NativeNumberWrapper( xSMgr );
+ return pPtr;
+ }
+
+ NativeNumberWrapper* operator->() { return get(); }
+ NativeNumberWrapper& operator*() { return *get(); }
+};
+
+#endif // INCLUDED_SVTOOLS_ONDEMAND_HXX
+
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