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// Copyright 2014 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_PREDICTION_OPTIONS_H_
#define CHROME_BROWSER_NET_PREDICTION_OPTIONS_H_
namespace user_prefs {
class PrefRegistrySyncable;
}
class PrefService;
namespace chrome_browser_net {
// Enum describing when to allow network predictions based on connection type.
// The numerical value is stored in the prefs file, therefore the same enum
// with the same order must be used by the platform-dependent components.
enum NetworkPredictionOptions {
// TODO(newt): collapse ALWAYS and WIFI_ONLY into a single value. See
// crbug.com/585297
NETWORK_PREDICTION_ALWAYS,
NETWORK_PREDICTION_WIFI_ONLY,
NETWORK_PREDICTION_NEVER,
NETWORK_PREDICTION_DEFAULT = NETWORK_PREDICTION_WIFI_ONLY,
};
enum class NetworkPredictionStatus {
ENABLED,
DISABLED_ALWAYS,
DISABLED_DUE_TO_NETWORK,
};
void RegisterPredictionOptionsProfilePrefs(
user_prefs::PrefRegistrySyncable* registry);
// Determines whether prefetching and prerendering are enabled, based on
// preferences and network type.
NetworkPredictionStatus CanPrefetchAndPrerenderUI(PrefService* prefs);
// Determines whether TCP preconnect and DNS preresolution are enabled, based on
// preferences.
bool CanPreresolveAndPreconnectUI(PrefService* prefs);
} // namespace chrome_browser_net
#endif // CHROME_BROWSER_NET_PREDICTION_OPTIONS_H_
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