| /* | 
 |  *  Copyright 2020 The WebRTC Project Authors. All rights reserved. | 
 |  * | 
 |  *  Use of this source code is governed by a BSD-style license | 
 |  *  that can be found in the LICENSE file in the root of the source | 
 |  *  tree. An additional intellectual property rights grant can be found | 
 |  *  in the file PATENTS.  All contributing project authors may | 
 |  *  be found in the AUTHORS file in the root of the source tree. | 
 |  */ | 
 |  | 
 | #ifndef RTC_BASE_NETWORK_MONITOR_FACTORY_H_ | 
 | #define RTC_BASE_NETWORK_MONITOR_FACTORY_H_ | 
 |  | 
 | namespace webrtc { | 
 | class FieldTrialsView; | 
 | }  // namespace webrtc | 
 |  | 
 | namespace rtc { | 
 |  | 
 | // Forward declaring this so it's not part of the API surface; it's only | 
 | // expected to be used by Android/iOS SDK code. | 
 | class NetworkMonitorInterface; | 
 |  | 
 | /* | 
 |  * NetworkMonitorFactory creates NetworkMonitors. | 
 |  * Note that CreateNetworkMonitor is expected to be called on the network | 
 |  * thread with the returned object only being used on that thread thereafter. | 
 |  */ | 
 | class NetworkMonitorFactory { | 
 |  public: | 
 |   virtual NetworkMonitorInterface* CreateNetworkMonitor( | 
 |       const webrtc::FieldTrialsView& field_trials) = 0; | 
 |  | 
 |   virtual ~NetworkMonitorFactory(); | 
 |  | 
 |  protected: | 
 |   NetworkMonitorFactory(); | 
 | }; | 
 |  | 
 | }  // namespace rtc | 
 |  | 
 | #endif  // RTC_BASE_NETWORK_MONITOR_FACTORY_H_ |