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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef LogModulePrefWatcher_h
#define LogModulePrefWatcher_h
#include "nsIObserver.h"
namespace mozilla {
/**
* Watches for changes to "logging.*" prefs and then updates the appropriate
* LogModule's log level. Both the integer and string versions of the LogLevel
* enum are supported.
*
* For example setting the pref "logging.Foo" to "Verbose" will set the
* LogModule for "Foo" to the LogLevel::Verbose level. Setting "logging.Bar" to
* 4 would set the LogModule for "Bar" to the LogLevel::Debug level.
*/
class LogModulePrefWatcher : public nsIObserver
{
public:
NS_DECL_ISUPPORTS
NS_DECL_NSIOBSERVER
/**
* Starts observing logging pref changes.
*/
static void RegisterPrefWatcher();
private:
LogModulePrefWatcher();
virtual ~LogModulePrefWatcher()
{
}
};
} // namespace mozilla
#endif // LogModulePrefWatcher_h
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