Index: chrome/browser/media/router/browser_presentation_connection_proxy.h |
diff --git a/chrome/browser/media/router/browser_presentation_connection_proxy.h b/chrome/browser/media/router/browser_presentation_connection_proxy.h |
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+// Copyright 2017 The Chromium Authors. All rights reserved. |
+// 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_BROWSER_PRESENTATION_CONNECTION_PROXY_H_ |
+#define CHROME_BROWSER_MEDIA_ROUTER_BROWSER_PRESENTATION_CONNECTION_PROXY_H_ |
+ |
+#include "chrome/browser/media/router/media_route.h" |
+#include "content/public/browser/presentation_service_delegate.h" |
+#include "content/public/common/presentation_session.h" |
+#include "mojo/public/cpp/bindings/binding.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: |
+// PresentationConnection::sendString(); |
+// -> PresentationDispatcher::DoSendMessage(); |
+// -> PresentationConnectionProxy::SendSessionMessage(); |
+// --> (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 NON_EXPORTED_BASE(blink::mojom::PresentationConnection) { |
+ public: |
+ using OnMessageCallback = base::Callback<void(bool)>; |
+ |
+ // |router|: media router instance not owned by this class; |
+ // |route_id|: underlying media route. |target_connection_ptr_| sends message |
+ // to media route with |route_id|; |
+ // |receiver_connection_request|: mojo interface request to be bind with this |
+ // object; |
+ // |controller_connection_ptr|: mojo interface ptr of controlling frame's |
+ // connection proxy object. |
+ BrowserPresentationConnectionProxy( |
+ MediaRouter* router, |
+ const MediaRoute::Id& route_id, |
+ blink::mojom::PresentationConnectionRequest receiver_connection_request, |
+ blink::mojom::PresentationConnectionPtr controller_connection_ptr); |
+ ~BrowserPresentationConnectionProxy() override; |
+ |
+ // blink::mojom::PresentationConnection implementation |
+ void OnMessage(blink::mojom::ConnectionMessagePtr message, |
+ const OnMessageCallback& on_message_callback) override; |
+ |
+ // Underlying media route is always connected. Media route class does not |
+ // support state change. |
+ void DidChangeState(content::PresentationConnectionState state) override {} |
+ |
+ private: |
+ // |router_| not owned by this class. |
+ MediaRouter* const router_; |
+ const MediaRoute::Id route_id_; |
+ |
+ mojo::Binding<blink::mojom::PresentationConnection> binding_; |
+ blink::mojom::PresentationConnectionPtr target_connection_ptr_; |
+}; |
+ |
+} // namespace media_router |
+ |
+#endif // CHROME_BROWSER_MEDIA_ROUTER_BROWSER_PRESENTATION_CONNECTION_PROXY_H_ |