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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index 0000000000000000000000000000000000000000..7fb739074180fbe91fbd9da8df80a0df07963f24 |
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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 "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; |
+class MediaRoute; |
+ |
+// 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)>; |
+ |
+ BrowserPresentationConnectionProxy(MediaRouter* router, |
+ const MediaRoute* route); |
+ ~BrowserPresentationConnectionProxy() override; |
+ |
+ // Binds instance of this class with |receiver_connection_request|. |
+ void Bind( |
imcheng
2017/01/31 01:53:24
Maybe name this BindToRequest or something similar
zhaobin
2017/01/31 18:44:15
Done.
|
+ blink::mojom::PresentationConnectionRequest receiver_connection_request); |
+ |
+ // Sets |target_connection_ptr_| to |controller_connection_ptr|. Should be |
+ // called only once. |
+ void BindControllerConnection( |
+ blink::mojom::PresentationConnectionPtr controller_connection_ptr); |
+ |
+ // blink::mojom::PresentationConnection implementation |
+ void OnMessage(blink::mojom::ConnectionMessagePtr message, |
+ const OnMessageCallback& on_message_callback) override; |
+ void DidChangeState( |
+ blink::mojom::PresentationConnectionState state) override {} |
imcheng
2017/01/31 01:53:24
Add a TODO to implement this, or a comment why thi
zhaobin
2017/01/31 18:44:15
Done.
|
+ |
+ private: |
+ // |router_| not owned by this class. |
+ MediaRouter* router_; |
imcheng
2017/01/31 01:53:25
MediaRouter* const
zhaobin
2017/01/31 18:44:15
Done.
|
+ // |route_| not owned by this class. |
+ const MediaRoute* route_; |
imcheng
2017/01/31 01:53:25
Who owns the MediaRoute? Since it is just a data o
zhaobin
2017/01/31 18:44:15
Done.
|
+ |
+ 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_ |