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

content/browser/presentation/presentation_service_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 CONTENT_BROWSER_PRESENTATION_PRESENTATION_SERVICE_IMPL_H_
 #define CONTENT_BROWSER_PRESENTATION_PRESENTATION_SERVICE_IMPL_H_
 
 #include <deque>
 #include <map>
 #include <memory>
@@ skipping 79 matching lines @@
   FRIEND_TEST_ALL_PREFIXES(PresentationServiceImplTest,
                            ListenForConnectionStateChange);
   FRIEND_TEST_ALL_PREFIXES(PresentationServiceImplTest,
                            ListenForConnectionClose);
 
   // Maximum number of pending JoinSession requests at any given time.
   static const int kMaxNumQueuedSessionRequests = 10;
 
   using PresentationSessionMojoCallback =
       mojo::Callback<void(blink::mojom::PresentationSessionInfoPtr)>;
+  using PresentationConnectionListMojoCallback = mojo::Callback<void(
+      mojo::Array<blink::mojom::PresentationSessionInfoPtr>)>;
   using SessionMessagesCallback =
       mojo::Callback<void(mojo::Array<blink::mojom::SessionMessagePtr>)>;
   using SendMessageMojoCallback = mojo::Callback<void(bool)>;
 
   // Listener implementation owned by PresentationServiceImpl. An instance of
   // this is created when PresentationRequest.getAvailability() is resolved.
   // The instance receives screen availability results from the embedder and
   // propagates results back to PresentationServiceImpl.
   class CONTENT_EXPORT ScreenAvailabilityListenerImpl
       : public PresentationScreenAvailabilityListener {
@@ skipping 53 matching lines @@
       const NewSessionMojoCallback& callback) override;
   void SendSessionMessage(blink::mojom::PresentationSessionInfoPtr session_info,
                           blink::mojom::SessionMessagePtr session_message,
                           const SendMessageMojoCallback& callback) override;
   void CloseConnection(const mojo::String& presentation_url,
                        const mojo::String& presentation_id) override;
   void Terminate(const mojo::String& presentation_url,
                  const mojo::String& presentation_id) override;
   void ListenForSessionMessages(
       blink::mojom::PresentationSessionInfoPtr session) override;
+  void GetReceiverConnections(
+      const PresentationConnectionListMojoCallback& callback) override;
 
   // Creates a binding between this object and |request|.
   void Bind(mojo::InterfaceRequest<blink::mojom::PresentationService> request);
 
   // WebContentsObserver override.
   void DidNavigateAnyFrame(
       content::RenderFrameHost* render_frame_host,
       const content::LoadCommittedDetails& details,
       const content::FrameNavigateParams& params) override;
   void RenderFrameDeleted(content::RenderFrameHost* render_frame_host) override;
@@ skipping 30 matching lines @@
   void OnStartSessionError(
       int request_session_id,
       const PresentationError& error);
   void OnJoinSessionSucceeded(
       int request_session_id,
       const PresentationSessionInfo& session_info);
   void OnJoinSessionError(
       int request_session_id,
       const PresentationError& error);
   void OnSendMessageCallback(bool sent);
+  void OnReceiverConnectionAvailable(
+      const content::PresentationSessionInfo& session_info);
 
   // Calls to |delegate_| to start listening for state changes for |connection|.
   // State changes will be returned via |OnConnectionStateChanged|.
   void ListenForConnectionStateChange(
       const PresentationSessionInfo& connection);
 
   // Passed to embedder's implementation of PresentationServiceDelegate for
   // later invocation when session messages arrive.
   void OnSessionMessages(
       const content::PresentationSessionInfo& session,
@@ skipping 17 matching lines @@
   // Embedder-specific delegate to forward Presentation requests to.
   // May be null if embedder does not support Presentation API.
   PresentationServiceDelegate* delegate_;
 
   // Proxy to the PresentationServiceClient to send results (e.g., screen
   // availability) to.
   blink::mojom::PresentationServiceClientPtr client_;
 
   std::string default_presentation_url_;
 
+  // Maps from a presentation URL to a screen availability listener.
   using ScreenAvailabilityListenerMap =
       std::map<std::string, std::unique_ptr<ScreenAvailabilityListenerImpl>>;
   ScreenAvailabilityListenerMap screen_availability_listeners_;
 
   // For StartSession requests.
   // Set to a positive value when a StartSession request is being processed.
   int start_session_request_id_;
   std::unique_ptr<NewSessionMojoCallbackWrapper> pending_start_session_cb_;
 
   // For JoinSession requests.
@@ skipping 15 matching lines @@
 
   // NOTE: Weak pointers must be invalidated before all other member variables.
   base::WeakPtrFactory<PresentationServiceImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(PresentationServiceImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_PRESENTATION_PRESENTATION_SERVICE_IMPL_H_