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/*
* 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;
}
}
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