[Presentation API] (alternative) 1-UA: send message between controller and receiver page

chrome/browser/media/router/presentation_service_delegate_impl.h

 // Copyright 2015 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_PRESENTATION_SERVICE_DELEGATE_IMPL_H_
 #define CHROME_BROWSER_MEDIA_ROUTER_PRESENTATION_SERVICE_DELEGATE_IMPL_H_
 
 #include <map>
 #include <memory>
 #include <string>
@@ skipping 17 matching lines @@
 class PresentationScreenAvailabilityListener;
 class WebContents;
 struct PresentationSessionInfo;
 struct PresentationSessionMessage;
 }  // namespace content
 
 namespace media_router {
 
 class MediaRoute;
 class MediaSinksObserver;
+class OffscreenPresentationManager;
 class PresentationFrameManager;
 class RouteRequestResult;
 
 // Implementation of PresentationServiceDelegate that interfaces an
 // instance of WebContents with the Chrome Media Router. It uses the Media
 // Router to handle presentation API calls forwarded from
 // PresentationServiceImpl. In addition, it also
 // provides default presentation URL that is required for creating
 // browser-initiated sessions.
 // It is scoped to the lifetime of a WebContents, and is managed by the
@@ skipping 75 matching lines @@
                    int render_frame_id,
                    const content::PresentationSessionInfo& session,
                    std::unique_ptr<content::PresentationSessionMessage> message,
                    const SendMessageCallback& send_message_cb) override;
   void ListenForConnectionStateChange(
       int render_process_id,
       int render_frame_id,
       const content::PresentationSessionInfo& connection,
       const content::PresentationConnectionStateChangedCallback&
           state_changed_cb) override;
+  void RegisterReceiverAvailableCallback(
+      const content::ReceiverConnectionAvailableCallback&
+          receiver_available_callback) override;
+  void RegisterOffscreenPresentationConnection(
+      int render_process_id,
+      int render_frame_id,
+      const content::PresentationSessionInfo& session,
+      content::PresentationConnectionPtr connection) override;
 
   // Callback invoked when a default PresentationRequest is started from a
   // browser-initiated dialog.
   void OnRouteResponse(const PresentationRequest& request,
                        const RouteRequestResult& result);
 
   // Adds / removes an observer for listening to default PresentationRequest
   // changes. This class does not own |observer|. When |observer| is about to
   // be destroyed, |RemoveDefaultPresentationRequestObserver| must be called.
   void AddDefaultPresentationRequestObserver(
@@ skipping 54 matching lines @@
       const content::PresentationSessionInfo& new_session,
       const MediaRoute::Id& route_id);
 
   // References to the WebContents that owns this instance, and associated
   // browser profile's MediaRouter instance.
   content::WebContents* const web_contents_;
   MediaRouter* router_;
 
   std::unique_ptr<PresentationFrameManager> frame_manager_;
 
+  OffscreenPresentationManager* offscreen_presentation_manager_;
+
   base::WeakPtrFactory<PresentationServiceDelegateImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(PresentationServiceDelegateImpl);
 };
 
 }  // namespace media_router
 
 #endif  // CHROME_BROWSER_MEDIA_ROUTER_PRESENTATION_SERVICE_DELEGATE_IMPL_H_