| /* | 
 |  *  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 PC_PEER_CONNECTION_MESSAGE_HANDLER_H_ | 
 | #define PC_PEER_CONNECTION_MESSAGE_HANDLER_H_ | 
 |  | 
 | #include <functional> | 
 |  | 
 | #include "api/jsep.h" | 
 | #include "api/legacy_stats_types.h" | 
 | #include "api/media_stream_interface.h" | 
 | #include "api/peer_connection_interface.h" | 
 | #include "api/rtc_error.h" | 
 | #include "api/task_queue/pending_task_safety_flag.h" | 
 | #include "api/task_queue/task_queue_base.h" | 
 | #include "pc/legacy_stats_collector_interface.h" | 
 |  | 
 | namespace webrtc { | 
 |  | 
 | class PeerConnectionMessageHandler { | 
 |  public: | 
 |   explicit PeerConnectionMessageHandler(rtc::Thread* signaling_thread) | 
 |       : signaling_thread_(signaling_thread) {} | 
 |   ~PeerConnectionMessageHandler() = default; | 
 |  | 
 |   void PostSetSessionDescriptionSuccess( | 
 |       SetSessionDescriptionObserver* observer); | 
 |   void PostSetSessionDescriptionFailure(SetSessionDescriptionObserver* observer, | 
 |                                         RTCError&& error); | 
 |   void PostCreateSessionDescriptionFailure( | 
 |       CreateSessionDescriptionObserver* observer, | 
 |       RTCError error); | 
 |   void PostGetStats(StatsObserver* observer, | 
 |                     LegacyStatsCollectorInterface* legacy_stats, | 
 |                     MediaStreamTrackInterface* track); | 
 |   void RequestUsagePatternReport(std::function<void()>, int delay_ms); | 
 |  | 
 |  private: | 
 |   ScopedTaskSafety safety_; | 
 |   TaskQueueBase* const signaling_thread_; | 
 | }; | 
 |  | 
 | }  // namespace webrtc | 
 |  | 
 | #endif  // PC_PEER_CONNECTION_MESSAGE_HANDLER_H_ |