75 lines
3.3 KiB
Objective-C
75 lines
3.3 KiB
Objective-C
/*
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* Copyright (C) 2003, 2006, 2010, 2013, 2017 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include <wtf/Forward.h>
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#include <wtf/Vector.h>
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#if PLATFORM(COCOA)
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#import <CoreFoundation/CoreFoundation.h>
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#import <wtf/RetainPtr.h>
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#endif
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namespace WTF {
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enum class ShouldMinimizeLanguages { No, Yes };
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WTF_EXPORT_PRIVATE String defaultLanguage(ShouldMinimizeLanguages = ShouldMinimizeLanguages::Yes); // Thread-safe.
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WTF_EXPORT_PRIVATE Vector<String> userPreferredLanguages(ShouldMinimizeLanguages = ShouldMinimizeLanguages::Yes); // Thread-safe, returns BCP 47 language tags.
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WTF_EXPORT_PRIVATE Vector<String> userPreferredLanguagesOverride();
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WTF_EXPORT_PRIVATE void overrideUserPreferredLanguages(const Vector<String>&);
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WTF_EXPORT_PRIVATE size_t indexOfBestMatchingLanguageInList(const String& language, const Vector<String>& languageList, bool& exactMatch);
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// Called from platform specific code when the user's preferred language(s) change.
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WTF_EXPORT_PRIVATE void languageDidChange();
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// The observer function will be called when system language changes.
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typedef void (*LanguageChangeObserverFunction)(void* context);
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WTF_EXPORT_PRIVATE void addLanguageChangeObserver(void* context, LanguageChangeObserverFunction);
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WTF_EXPORT_PRIVATE void removeLanguageChangeObserver(void* context);
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WTF_EXPORT_PRIVATE String displayNameForLanguageLocale(const String&);
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Vector<String> platformUserPreferredLanguages(ShouldMinimizeLanguages = ShouldMinimizeLanguages::Yes);
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#if PLATFORM(COCOA)
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bool canMinimizeLanguages();
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WTF_EXPORT_PRIVATE void listenForLanguageChangeNotifications();
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RetainPtr<CFArrayRef> minimizedLanguagesFromLanguages(CFArrayRef);
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#endif
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} // namespace WTF
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using WTF::ShouldMinimizeLanguages;
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using WTF::defaultLanguage;
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using WTF::userPreferredLanguages;
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using WTF::userPreferredLanguagesOverride;
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using WTF::overrideUserPreferredLanguages;
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using WTF::indexOfBestMatchingLanguageInList;
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using WTF::addLanguageChangeObserver;
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using WTF::removeLanguageChangeObserver;
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using WTF::displayNameForLanguageLocale;
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