[Media Router] Wiring for searching route providers for new sinks.

chrome/browser/ui/webui/media_router/media_router_webui_message_handler.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_webui_message_handler.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/metrics/histogram_macros.h"
@@ skipping 40 matching lines @@
 const char kReportClickedSinkIndex[] = "reportClickedSinkIndex";
 const char kReportInitialAction[] = "reportInitialAction";
 const char kReportInitialState[] = "reportInitialState";
 const char kReportNavigateToView[] = "reportNavigateToView";
 const char kReportRouteCreationOutcome[] = "reportRouteCreationOutcome";
 const char kReportRouteCreation[] = "reportRouteCreation";
 const char kReportSelectedCastMode[] = "reportSelectedCastMode";
 const char kReportSinkCount[] = "reportSinkCount";
 const char kReportTimeToClickSink[] = "reportTimeToClickSink";
 const char kReportTimeToInitialActionClose[] = "reportTimeToInitialActionClose";
+const char kSearchProviders[] = "searchProviders";
 const char kOnInitialDataReceived[] = "onInitialDataReceived";
 
 // JS function names.
 const char kSetInitialData[] = "media_router.ui.setInitialData";
 const char kOnCreateRouteResponseReceived[] =
     "media_router.ui.onCreateRouteResponseReceived";
 const char kSetFirstRunFlowData[] = "media_router.ui.setFirstRunFlowData";
 const char kSetIssue[] = "media_router.ui.setIssue";
 const char kSetSinkListAndIdentity[] = "media_router.ui.setSinkListAndIdentity";
 const char kSetRouteList[] = "media_router.ui.setRouteList";
@@ skipping 294 matching lines @@
   web_ui()->RegisterMessageCallback(
       kReportTimeToClickSink,
       base::Bind(&MediaRouterWebUIMessageHandler::OnReportTimeToClickSink,
                  base::Unretained(this)));
   web_ui()->RegisterMessageCallback(
       kReportTimeToInitialActionClose,
       base::Bind(
           &MediaRouterWebUIMessageHandler::OnReportTimeToInitialActionClose,
           base::Unretained(this)));
   web_ui()->RegisterMessageCallback(
+      kSearchProviders,
+      base::Bind(&MediaRouterWebUIMessageHandler::OnSearchProviders,
+                 base::Unretained(this)));
+  web_ui()->RegisterMessageCallback(
       kOnInitialDataReceived,
       base::Bind(&MediaRouterWebUIMessageHandler::OnInitialDataReceived,
                  base::Unretained(this)));
 }
 
 void MediaRouterWebUIMessageHandler::OnRequestInitialData(
     const base::ListValue* args) {
   DVLOG(1) << "OnRequestInitialData";
   media_router_ui_->OnUIInitiallyLoaded();
   base::DictionaryValue initial_data;
@@ skipping 327 matching lines @@
   DVLOG(1) << "OnReportTimeToInitialActionClose";
   double time_to_close;
   if (!args->GetDouble(0, &time_to_close)) {
     VLOG(0) << "Unable to extract args.";
     return;
   }
   UMA_HISTOGRAM_TIMES("MediaRouter.Ui.Action.CloseLatency",
                       base::TimeDelta::FromMillisecondsD(time_to_close));
 }
 
+void MediaRouterWebUIMessageHandler::OnSearchProviders(
+    const base::ListValue* args) {
+  DVLOG(1) << "OnSearchProviders";
+  const base::DictionaryValue* args_dict = nullptr;
+  std::string sink_id;
+  int cast_mode_num = -1;
+  if (!args->GetDictionary(0, &args_dict) ||
+      !args_dict->GetString("sinkId", &sink_id) ||
+      !args_dict->GetInteger("selectedCastMode", &cast_mode_num)) {
+    DVLOG(1) << "Unable to extract args";
+    return;
+  }
+
+  if (sink_id.empty()) {
+    DVLOG(1) << "Media Router UI did not provide a valid sink ID. Aborting";
+  }
+
+  if (!IsValidCastModeNum(cast_mode_num)) {
+    DVLOG(1) << "Invalid cast mode: " << cast_mode_num << ". Aborting.";
+    return;
+  }
+
+  media_router_ui_->SearchProviders(sink_id,
+                                    static_cast<MediaCastMode>(cast_mode_num));
+}
+
 void MediaRouterWebUIMessageHandler::OnInitialDataReceived(
     const base::ListValue* args) {
   DVLOG(1) << "OnInitialDataReceived";
   media_router_ui_->OnUIInitialDataReceived();
   MaybeUpdateFirstRunFlowData();
 }
 
 bool MediaRouterWebUIMessageHandler::ActOnIssueType(
     const IssueAction::Type& action_type,
     const base::DictionaryValue* args) {
@@ skipping 71 matching lines @@
 #else
   return AccountInfo();
 #endif  // defined(GOOGLE_CHROME_BUILD)
 }
 
 void MediaRouterWebUIMessageHandler::SetWebUIForTest(content::WebUI* web_ui) {
   set_web_ui(web_ui);
 }
 
 }  // namespace media_router