[Presentation API] 1-UA presentation support + presenter APIs.

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 <string>
 #include <utility>
 
 #include "base/gtest_prod_util.h"
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/observer_list.h"
 #include "chrome/browser/media/router/media_router.h"
 #include "chrome/browser/media/router/media_source.h"
+#include "chrome/browser/media/router/render_frame_host_helper.h"
 #include "content/public/browser/presentation_service_delegate.h"
 #include "content/public/browser/web_contents_observer.h"
 #include "content/public/browser/web_contents_user_data.h"
 
 namespace content {
 class RenderFrameHost;
 class PresentationScreenAvailabilityListener;
 class WebContents;
 struct PresentationSessionInfo;
 struct PresentationSessionMessage;
 }  // namespace content
 
 namespace media_router {
 
 class MediaRoute;
 class MediaSinksObserver;
+class OneUAPresentationRouter;
 class PresentationFrameManager;
 class PresentationSessionStateObserver;
 
 // 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 41 matching lines @@
                    const PresentationSessionSuccessCallback& success_cb,
                    const PresentationSessionErrorCallback& error_cb) override;
   void CloseSession(int render_process_id,
                     int render_frame_id,
                     const std::string& presentation_id) override;
   void ListenForSessionMessages(
       int render_process_id,
       int render_frame_id,
       const content::PresentationSessionInfo& session,
       const content::PresentationSessionMessageCallback& message_cb) override;
-  void SendMessage(int render_process_id,
-                   int render_frame_id,
-                   const content::PresentationSessionInfo& session,
-                   scoped_ptr<content::PresentationSessionMessage> message,
-                   const SendMessageCallback& send_message_cb) override;
+  void SendMessage(
+      int render_process_id,
+      int render_frame_id,
+      const content::PresentationSessionInfo& session,
+      scoped_ptr<content::PresentationSessionMessage> message,
+      const content::SendMessageCallback& send_message_cb) override;
   void ListenForSessionStateChange(
       int render_process_id,
       int render_frame_id,
       const content::SessionStateChangedCallback& state_changed_cb) override;
+  void GetPresenterSession(

[mark a. foltz, 2015/09/11 23:24:20]

FWIW, the terminology in the spec group is moving towards PresentationReceiver
to designate the browsing context that hosts the presentation.

https://github.com/w3c/presentation-api/pull/186

So this could be GetPresentationReceiverSession...

[imcheng, 2015/09/26 01:21:57]

Done.

+      int render_process_id,
+      int render_frame_id,
+      const content::PresenterSessionAvailableCallback& success_callback,
+      const base::Callback<void(const std::string&)>& error_callback) override;
+  std::vector<content::PresentationSessionInfo> GetPresenterSessions(
+      int render_process_id,
+      int render_frame_id) override;
 
   // Callback invoked when there is a route response from CreateRoute/JoinRoute
   // outside of a Presentation API request. This could be due to
   // browser action (e.g., browser initiated media router dialog) or
   // a media route provider (e.g., autojoin).
   void OnRouteResponse(const MediaRoute* route,
                        const std::string& presentation_id,
-                       const std::string& error);
+                       const std::string& error,
+                       bool is_one_ua_presentation);
 
   // Returns the default MediaSource for this tab if there is one.
   // Returns an empty MediaSource otherwise.
   MediaSource default_source() const { return default_source_; }
 
   content::WebContents* web_contents() const { return web_contents_; }
   const GURL& default_frame_url() const { return default_frame_url_; }
 
   // Observer interface for listening to default MediaSource changes for the
   // WebContents.
@@ skipping 34 matching lines @@
   MediaSource GetMediaSourceFromListener(
       content::PresentationScreenAvailabilityListener* listener);
 
   void OnJoinRouteResponse(int render_process_id,
                            int render_frame_id,
                            const content::PresentationSessionInfo& session,
                            const PresentationSessionSuccessCallback& success_cb,
                            const PresentationSessionErrorCallback& error_cb,
                            const MediaRoute* route,
                            const std::string& presentation_id,
-                           const std::string& error_text);
+                           const std::string& error_text,
+                           bool is_one_ua_presentation);
 
   void OnStartSessionSucceeded(
       int render_process_id,
       int render_frame_id,
       const PresentationSessionSuccessCallback& success_cb,
       const content::PresentationSessionInfo& new_session,
-      const MediaRoute::Id& route_id);
+      const MediaRoute::Id& route_id,

[mark a. foltz, 2015/09/11 23:24:20]

Can we pass the MediaRoute* here and ask if it's an offscreen presentation?

[imcheng, 2015/09/26 01:21:57]

Done.

+      bool is_one_ua_presentation);
 
   // Returns |true| if the frame is the main frame of |web_contents_|.
   bool IsMainFrame(int render_process_id, int render_frame_id) const;
 
   // Updates tab-level default MediaSource and/or default frame URL. If either
   // changed, notify the observers.
   void UpdateDefaultMediaSourceAndNotifyObservers(
       const MediaSource& new_default_source,
       const GURL& new_default_frame_url);
 
+  void RegisterOneUAPresentationController(
+      const content::PresentationSessionInfo& session,
+      const RenderFrameHostId& controller_frame_id);
+
   // Default MediaSource for the tab associated with this instance.
   MediaSource default_source_;
   // URL of the frame that contains the default MediaSource.
   GURL default_frame_url_;
 
   // References to the observers listening for changes to default media source.
   base::ObserverList<
       DefaultMediaSourceObserver> default_media_source_observers_;
 
   // References to the WebContents that owns this instance, and associated
-  // browser profile's MediaRouter instance.
-  content::WebContents* web_contents_;
+  // browser profile's MediaRouter/OneUAPresentationRouter instances.
+  content::WebContents* const web_contents_;
   MediaRouter* router_;
+  OneUAPresentationRouter* const one_ua_presentation_router_;
 
   scoped_ptr<PresentationFrameManager> frame_manager_;
 
   base::WeakPtrFactory<PresentationServiceDelegateImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(PresentationServiceDelegateImpl);
 };
 
 }  // namespace media_router
 
 #endif  // CHROME_BROWSER_MEDIA_ROUTER_PRESENTATION_SERVICE_DELEGATE_IMPL_H_