(Not for review) Dummy C++ side Custom Controls implementation

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

Index: chrome/browser/ui/webui/media_router/media_router_webui_message_handler.cc
diff --git a/chrome/browser/ui/webui/media_router/media_router_webui_message_handler.cc b/chrome/browser/ui/webui/media_router/media_router_webui_message_handler.cc
index 3ffe291cb00ca5b0714dbec46f5577e8cef00204..623d81b066a128ea9f233e63d60f77e4ad8034f9 100644
--- a/chrome/browser/ui/webui/media_router/media_router_webui_message_handler.cc
+++ b/chrome/browser/ui/webui/media_router/media_router_webui_message_handler.cc
@@ -62,6 +62,13 @@ const char kReportTimeToClickSink[] = "reportTimeToClickSink";
 const char kReportTimeToInitialActionClose[] = "reportTimeToInitialActionClose";
 const char kSearchSinksAndCreateRoute[] = "searchSinksAndCreateRoute";
 const char kOnInitialDataReceived[] = "onInitialDataReceived";
+const char kOnRouteDetailsClosed[] = "onRouteDetailsClosed";
+const char kOnRouteDetailsOpened[] = "onRouteDetailsOpened";
+const char kPauseRoute[] = "pauseRoute";
+const char kPlayRoute[] = "playRoute";
+const char kSeekRoute[] = "seekRoute";
+const char kSetRouteMute[] = "setRouteMute";
+const char kSetRouteVolume[] = "setRouteVolume";
 
 // JS function names.
 const char kSetInitialData[] = "media_router.ui.setInitialData";
@@ -74,6 +81,7 @@ const char kSetSinkListAndIdentity[] = "media_router.ui.setSinkListAndIdentity";
 const char kSetRouteList[] = "media_router.ui.setRouteList";
 const char kSetCastModeList[] = "media_router.ui.setCastModeList";
 const char kUpdateMaxHeight[] = "media_router.ui.updateMaxHeight";
+const char kUpdateRouteStatus[] = "media_router.ui.updateRouteStatus";
 const char kWindowOpen[] = "window.open";
 
 std::unique_ptr<base::DictionaryValue> SinksAndIdentityToValue(
@@ -316,6 +324,24 @@ void MediaRouterWebUIMessageHandler::UpdateMaxDialogHeight(int height) {
                                          base::FundamentalValue(height));
 }
 
+void MediaRouterWebUIMessageHandler::UpdateMediaRouteStatus(
+    const MediaStatus& status) {
+  base::DictionaryValue status_value;
+  status_value.SetString("title", status.title);
+  status_value.SetString("status", status.status);
+  status_value.SetBoolean("canPlayPause", status.can_play_pause);
+  status_value.SetBoolean("canMute", status.can_mute);
+  status_value.SetBoolean("canSetVolume", status.can_set_volume);
+  status_value.SetBoolean("canSeek", status.can_seek);
+  status_value.SetBoolean("isPaused", status.is_paused);
+  status_value.SetBoolean("isMuted", status.is_muted);
+  status_value.SetInteger("duration", status.duration);
+  status_value.SetInteger("currentTime", status.current_time);
+  status_value.SetDouble("volume", status.volume);
+  web_ui()->CallJavascriptFunctionUnsafe(kUpdateRouteStatus,
+                                         std::move(status_value));
+}
+
 void MediaRouterWebUIMessageHandler::RegisterMessages() {
   web_ui()->RegisterMessageCallback(
       kRequestInitialData,
@@ -402,6 +428,34 @@ void MediaRouterWebUIMessageHandler::RegisterMessages() {
       kOnInitialDataReceived,
       base::Bind(&MediaRouterWebUIMessageHandler::OnInitialDataReceived,
                  base::Unretained(this)));
+  web_ui()->RegisterMessageCallback(
+      kOnRouteDetailsClosed,
+      base::Bind(&MediaRouterWebUIMessageHandler::OnRouteDetailsClosed,
+                 base::Unretained(this)));
+  web_ui()->RegisterMessageCallback(
+      kOnRouteDetailsOpened,
+      base::Bind(&MediaRouterWebUIMessageHandler::OnRouteDetailsOpened,
+                 base::Unretained(this)));
+  web_ui()->RegisterMessageCallback(
+      kPauseRoute,
+      base::Bind(&MediaRouterWebUIMessageHandler::OnPauseRoute,
+                 base::Unretained(this)));
+  web_ui()->RegisterMessageCallback(
+      kPlayRoute,
+      base::Bind(&MediaRouterWebUIMessageHandler::OnPlayRoute,
+                 base::Unretained(this)));
+  web_ui()->RegisterMessageCallback(
+      kSeekRoute,
+      base::Bind(&MediaRouterWebUIMessageHandler::OnSeekRoute,
+                 base::Unretained(this)));
+  web_ui()->RegisterMessageCallback(
+      kSetRouteMute,
+      base::Bind(&MediaRouterWebUIMessageHandler::OnSetRouteMute,
+                 base::Unretained(this)));
+  web_ui()->RegisterMessageCallback(
+      kSetRouteVolume,
+      base::Bind(&MediaRouterWebUIMessageHandler::OnSetRouteVolume,
+                 base::Unretained(this)));
 }
 
 void MediaRouterWebUIMessageHandler::OnRequestInitialData(
@@ -791,6 +845,66 @@ void MediaRouterWebUIMessageHandler::OnInitialDataReceived(
   MaybeUpdateFirstRunFlowData();
 }
 
+void MediaRouterWebUIMessageHandler::OnRouteDetailsClosed(
+    const base::ListValue* args) {
+  media_router_ui_->OnUIDetailsViewClosed();
+}
+
+void MediaRouterWebUIMessageHandler::OnRouteDetailsOpened(
+    const base::ListValue* args) {
+  const base::DictionaryValue* args_dict = nullptr;
+  std::string route_id;
+  if (!args->GetDictionary(0, &args_dict) ||
+      !args_dict->GetString("routeId", &route_id)) {
+    DVLOG(1) << "Unable to extract media route ID";
+    return;
+  }
+  media_router_ui_->OnUIDetailsViewOpened(route_id);
+}
+
+void MediaRouterWebUIMessageHandler::OnPauseRoute(const base::ListValue* args) {
+  media_router_ui_->PauseRoute();
+}
+
+void MediaRouterWebUIMessageHandler::OnPlayRoute(const base::ListValue* args) {
+  media_router_ui_->PlayRoute();
+}
+
+void MediaRouterWebUIMessageHandler::OnSeekRoute(const base::ListValue* args) {
+  const base::DictionaryValue* args_dict = nullptr;
+  double time;
+  if (!args->GetDictionary(0, &args_dict) ||
+      !args_dict->GetDouble("time", &time)) {
+    DVLOG(1) << "Unable to extract time";
+    return;
+  }
+  media_router_ui_->SeekRoute(time);
+}
+
+void MediaRouterWebUIMessageHandler::OnSetRouteMute(
+    const base::ListValue* args) {
+  const base::DictionaryValue* args_dict = nullptr;
+  bool mute;
+  if (!args->GetDictionary(0, &args_dict) ||
+      !args_dict->GetBoolean("mute", &mute)) {
+    DVLOG(1) << "Unable to extract mute";
+    return;
+  }
+  media_router_ui_->SetRouteMute(mute);
+}
+
+void MediaRouterWebUIMessageHandler::OnSetRouteVolume(
+    const base::ListValue* args) {
+  const base::DictionaryValue* args_dict = nullptr;
+  double volume;
+  if (!args->GetDictionary(0, &args_dict) ||
+      !args_dict->GetDouble("volume", &volume)) {
+    DVLOG(1) << "Unable to extract volume";
+    return;
+  }
+  media_router_ui_->SetRouteVolume(volume);
+}
+
 bool MediaRouterWebUIMessageHandler::ActOnIssueType(
     IssueInfo::Action action_type,
     const base::DictionaryValue* args) {