Shows a launch spinner next to a sink once it is selected to create a route. The launch spinner sur…

chrome/browser/ui/webui/media_router/media_router_ui.cc

 // 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.
 
 #include "chrome/browser/ui/webui/media_router/media_router_ui.h"
 
 #include <string>
 
 #include "base/strings/string_util.h"
 #include "chrome/browser/media/router/create_presentation_session_request.h"
@@ skipping 267 matching lines @@
   if (ui_initialized_)
     handler_->UpdateIssue(issue);
 }
 
 void MediaRouterUI::OnRoutesUpdated(const std::vector<MediaRoute>& routes) {
   routes_ = routes;
   if (ui_initialized_)
     handler_->UpdateRoutes(routes_);
 }
 
-void MediaRouterUI::OnRouteResponseReceived(const MediaRoute* route,
+void MediaRouterUI::OnRouteResponseReceived(const MediaSink::Id& sink_id,
+                                            const MediaRoute* route,
                                             const std::string& presentation_id,
                                             const std::string& error) {
   DVLOG(1) << "OnRouteResponseReceived";
   // TODO(imcheng): Display error in UI. (crbug.com/490372)
   if (!route)
-    LOG(ERROR) << "MediaRouteResponse returned error: " << error;
-  else
-    handler_->AddRoute(*route);
+    VLOG(0) << "MediaRouteResponse returned error: " << error;

[apacible, 2015/08/12 20:51:49]

When do we use VLOG versus DVLOG?

[haibinlu, 2015/08/12 21:15:30]

DVLOG for debug build only. It is enough for us. Updated. 

 
+  handler_->OnCreateRouteResponseReceived(sink_id, route);
   has_pending_route_request_ = false;
   requesting_route_for_default_source_ = false;
 }
 
 bool MediaRouterUI::DoCreateRoute(const MediaSink::Id& sink_id,
                                   MediaCastMode cast_mode) {
   DCHECK(query_result_manager_.get());
   DCHECK(initiator_);
 
   // Note that there is a rarely-encountered bug, where the MediaCastMode to
@@ skipping 27 matching lines @@
   // notification necessary.
   // (2) Presentation route request for a Presentation API startSession call.
   // The startSession (CreatePresentationSessionRequest) will need to be
   // answered with the
   // route response.
   // (3) Browser-initiated presentation route request. If successful,
   // PresentationServiceDelegateImpl will have to be notified. Note that we
   // treat subsequent route requests from a Presentation API-initiated dialogs
   // as browser-initiated.
   std::vector<MediaRouteResponseCallback> route_response_callbacks;
-  route_response_callbacks.push_back(base::Bind(
-      &MediaRouterUI::OnRouteResponseReceived, weak_factory_.GetWeakPtr()));
+  route_response_callbacks.push_back(
+      base::Bind(&MediaRouterUI::OnRouteResponseReceived,
+                 weak_factory_.GetWeakPtr(), sink_id));
   if (requesting_route_for_default_source_) {
     if (presentation_request_) {
       // |presentation_request_| will be nullptr after this call, as the
       // object will be transferred to the callback.
       route_response_callbacks.push_back(
           base::Bind(&HandleRouteResponseForPresentationApi,
                      base::Passed(&presentation_request_)));
     } else if (presentation_service_delegate_) {
       route_response_callbacks.push_back(
           base::Bind(&PresentationServiceDelegateImpl::OnRouteResponse,
                      presentation_service_delegate_));
     }
   }
 
   router_->CreateRoute(source.id(), sink_id, origin,
                        SessionTabHelper::IdForTab(initiator_),
                        route_response_callbacks);
   return true;
 }
 
 std::string MediaRouterUI::GetFrameURLHost() const {
   return GetHostFromURL(frame_url_);
 }
 
 const std::string& MediaRouterUI::GetRouteProviderExtensionId() const {
   return router_->media_route_provider_extension_id();
 }
 
 }  // namespace media_router