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// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_MEDIA_ROUTER_BROWSER_PRESENTATION_CONNECTION_MESSAGE_OBSERVER_H_
#define COMPONENTS_MEDIA_ROUTER_BROWSER_PRESENTATION_CONNECTION_MESSAGE_OBSERVER_H_
#include <stdint.h>
#include <vector>
#include "base/memory/raw_ptr.h"
#include "base/observer_list_types.h"
#include "components/media_router/common/media_route.h"
#include "components/media_router/common/mojom/media_router.mojom.h"
namespace media_router {
class MediaRouter;
// Observes messages originating from the MediaSink connected to a MediaRoute.
// Messages are received from the MediaRouter via OnMessagesReceived().
// TODO(crbug.com/40177419): remove this observer class.
class PresentationConnectionMessageObserver : public base::CheckedObserver {
public:
// `route_id`: ID of MediaRoute to listen for messages.
PresentationConnectionMessageObserver(MediaRouter* router,
const MediaRoute::Id& route_id);
PresentationConnectionMessageObserver(
const PresentationConnectionMessageObserver&) = delete;
PresentationConnectionMessageObserver(
PresentationConnectionMessageObserver&&) = delete;
PresentationConnectionMessageObserver& operator=(
PresentationConnectionMessageObserver&&) = delete;
PresentationConnectionMessageObserver& operator=(
const PresentationConnectionMessageObserver&) = delete;
~PresentationConnectionMessageObserver() override;
// Invoked by `router_` whenever messages are received from the route sink.
// `messages` is guaranteed to be non-empty.
virtual void OnMessagesReceived(
std::vector<mojom::RouteMessagePtr> messages) = 0;
const MediaRoute::Id& route_id() const { return route_id_; }
private:
const raw_ptr<MediaRouter> router_;
const MediaRoute::Id route_id_;
};
} // namespace media_router
#endif // COMPONENTS_MEDIA_ROUTER_BROWSER_PRESENTATION_CONNECTION_MESSAGE_OBSERVER_H_
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