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// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_NET_NET_PREF_OBSERVER_H_
#define CHROME_BROWSER_NET_NET_PREF_OBSERVER_H_
#pragma once
#include <string>
#include "base/basictypes.h"
#include "chrome/browser/prefs/pref_member.h"
#include "content/common/notification_observer.h"
class Profile;
namespace prerender {
class PrerenderManager;
}
// Monitors network-related preferences for changes and applies them.
// The supplied PrefService must outlive this NetPrefObserver.
// Must be used only on the UI thread.
class NetPrefObserver : public NotificationObserver {
public:
// |prefs| must be non-NULL and |*prefs| must outlive this.
// |prerender_manager| may be NULL. If not, |*prerender_manager| must
// outlive this.
NetPrefObserver(PrefService* prefs,
prerender::PrerenderManager* prerender_manager);
virtual ~NetPrefObserver();
// NotificationObserver
virtual void Observe(NotificationType type,
const NotificationSource& source,
const NotificationDetails& details);
static void RegisterPrefs(PrefService* prefs);
private:
// If |pref_name| is NULL, all monitored preferences will be applied.
void ApplySettings(const std::string* pref_name);
BooleanPrefMember network_prediction_enabled_;
BooleanPrefMember spdy_disabled_;
BooleanPrefMember http_throttling_enabled_;
prerender::PrerenderManager* prerender_manager_;
DISALLOW_COPY_AND_ASSIGN(NetPrefObserver);
};
#endif // CHROME_BROWSER_NET_NET_PREF_OBSERVER_H_
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