| /* |
| * Copyright (C) 2010 Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
| * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS |
| * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
| * THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "config.h" |
| #include "Language.h" |
| |
| #include "PlatformString.h" |
| #include <wtf/HashMap.h> |
| |
| namespace WebCore { |
| |
| typedef HashMap<void*, LanguageChangeObserverFunction> ObserverMap; |
| static ObserverMap& observerMap() |
| { |
| DEFINE_STATIC_LOCAL(ObserverMap, map, ()); |
| return map; |
| } |
| |
| void addLanguageChangeObserver(void* context, LanguageChangeObserverFunction customObserver) |
| { |
| observerMap().set(context, customObserver); |
| } |
| |
| void removeLanguageChangeObserver(void* context) |
| { |
| ASSERT(observerMap().contains(context)); |
| observerMap().remove(context); |
| } |
| |
| void languageDidChange() |
| { |
| ObserverMap::iterator end = observerMap().end(); |
| for (ObserverMap::iterator iter = observerMap().begin(); iter != end; ++iter) |
| iter->second(iter->first); |
| } |
| |
| static String& languageOverride() |
| { |
| DEFINE_STATIC_LOCAL(String, override, ()); |
| return override; |
| } |
| |
| String defaultLanguage() |
| { |
| const String& override = languageOverride(); |
| if (!override.isNull()) |
| return override; |
| |
| return platformDefaultLanguage(); |
| } |
| |
| void overrideDefaultLanguage(const String& override) |
| { |
| languageOverride() = override; |
| } |
| |
| } |