chromium/components/media_router/browser/presentation/browser_presentation_connection_proxy.h

// Copyright 2017 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_BROWSER_PRESENTATION_CONNECTION_PROXY_H_
#define COMPONENTS_MEDIA_ROUTER_BROWSER_PRESENTATION_BROWSER_PRESENTATION_CONNECTION_PROXY_H_

#include <vector>

#include "base/memory/raw_ptr.h"
#include "components/media_router/browser/presentation_connection_message_observer.h"
#include "components/media_router/common/media_route.h"
#include "content/public/browser/presentation_service_delegate.h"
#include "mojo/public/cpp/bindings/pending_receiver.h"
#include "mojo/public/cpp/bindings/pending_remote.h"
#include "mojo/public/cpp/bindings/receiver.h"
#include "mojo/public/cpp/bindings/remote.h"
#include "third_party/blink/public/mojom/presentation/presentation.mojom.h"

namespace media_router {

class MediaRouter;

// This class represents a browser side PresentationConnection. It connects with
// PresentationConnection owned by a render frame to enable message exchange.
// Message received on this class is further routed to Media Router. State of
// browser side PresentationConnection is always 'connected'.
//
// |SetTargetConnection| sets |target_connection_| to mojo handle of
// PresentationConnection object owned a render frame, and transits state of
// |target_connection_| to 'connected'.
//
// Send message from render frame to media router:
// blink::PresentationConnection::send();
//     -> (mojo call to browser side PresentationConnection)
//         -> BrowserPresentationConnectionProxy::OnMessage();
//             -> MediaRouter::SendRouteMessage();
//
// Instance of this class is only created for remotely rendered presentations.
// It is owned by PresentationFrame. When PresentationFrame gets destroyed or
// |route_| is closed or terminated, instance of this class will be destroyed.

class BrowserPresentationConnectionProxy
    : public blink::mojom::PresentationConnection,
      public PresentationConnectionMessageObserver { … };

}  // namespace media_router

#endif  // COMPONENTS_MEDIA_ROUTER_BROWSER_PRESENTATION_BROWSER_PRESENTATION_CONNECTION_PROXY_H_