chromium/chrome/browser/media/router/providers/cast/cast_session_tracker.h

// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CHROME_BROWSER_MEDIA_ROUTER_PROVIDERS_CAST_CAST_SESSION_TRACKER_H_
#define CHROME_BROWSER_MEDIA_ROUTER_PROVIDERS_CAST_CAST_SESSION_TRACKER_H_

#include "base/containers/flat_map.h"
#include "base/gtest_prod_util.h"
#include "base/memory/raw_ptr.h"
#include "base/observer_list.h"
#include "base/sequence_checker.h"
#include "base/task/sequenced_task_runner.h"
#include "base/values.h"
#include "chrome/browser/media/router/providers/cast/cast_internal_message_util.h"
#include "components/media_router/common/discovery/media_sink_internal.h"
#include "components/media_router/common/discovery/media_sink_service_base.h"
#include "components/media_router/common/providers/cast/channel/cast_message_handler.h"
#include "components/media_router/common/providers/cast/channel/cast_message_util.h"

namespace media_router {

// Tracks active sessions on Cast MediaSinks. Listens for RECEIVER_STATUS
// messages from Cast channels and notifies observers of changes to sessions.
// GetInstance() must be called on the UI thread while all other methods must be
// called on the IO thread.
class CastSessionTracker : public MediaSinkServiceBase::Observer,
                           public cast_channel::CastMessageHandler::Observer { … };

}  // namespace media_router

#endif  // CHROME_BROWSER_MEDIA_ROUTER_PROVIDERS_CAST_CAST_SESSION_TRACKER_H_