Show media router toolbar icon ephemerally for active local routes and issues

chrome/browser/ui/views/media_router/media_router_ui_browsertest.cc

Index: chrome/browser/ui/views/media_router/media_router_ui_browsertest.cc
diff --git a/chrome/browser/ui/views/media_router/media_router_ui_browsertest.cc b/chrome/browser/ui/views/media_router/media_router_ui_browsertest.cc
index 2659688af8eac7a3cefe52afee8943656836e8b1..670b32ef7a1d27eaaafefec0260d0905810ffff2 100644
--- a/chrome/browser/ui/views/media_router/media_router_ui_browsertest.cc
+++ b/chrome/browser/ui/views/media_router/media_router_ui_browsertest.cc
@@ -5,10 +5,14 @@
 #include "base/bind.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "chrome/browser/extensions/browser_action_test_util.h"
+#include "chrome/browser/media/router/media_router.h"
+#include "chrome/browser/media/router/media_router_ui_service.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_commands.h"
 #include "chrome/browser/ui/tabs/tab_strip_model.h"
+#include "chrome/browser/ui/toolbar/component_toolbar_actions_factory.h"
 #include "chrome/browser/ui/toolbar/media_router_action.h"
+#include "chrome/browser/ui/toolbar/media_router_action_controller.h"
 #include "chrome/browser/ui/toolbar/toolbar_action_view_delegate.h"
 #include "chrome/browser/ui/views/frame/browser_view.h"
 #include "chrome/browser/ui/views/toolbar/app_menu_button.h"
@@ -54,6 +58,22 @@ class MediaRouterUIBrowserTest : public InProcessBrowserTest {
     toolbar_action_view_ = new ToolbarActionView(media_router_action_.get(),
                                                  browser_actions_container);
     toolbar_action_view_widget_->SetContentsView(toolbar_action_view_);
+
+    action_controller_  =
+        MediaRouterUIService::Get(browser()->profile())->GetActionController();
+
+    issue_.reset(new Issue(
+        "title notification",
+        "message notification",
+        media_router::IssueAction(media_router::IssueAction::TYPE_DISMISS),
+        std::vector<media_router::IssueAction>(),
+        "route_id",
+        media_router::Issue::NOTIFICATION,
+        false,
+        -1));
+
+    routes_ = {MediaRoute("routeId1", MediaSource("sourceId"), "sinkId1",
+                         "description", true, std::string(), true)};
   }
 
   void TearDownOnMainThread() override {
@@ -92,6 +112,11 @@ class MediaRouterUIBrowserTest : public InProcessBrowserTest {
     media_router_action_->ExecuteAction(true);
   }
 
+  bool ActionExists() {
+    return ToolbarActionsModel::Get(browser()->profile())->HasComponentAction(
+        ComponentToolbarActionsFactory::kMediaRouterActionId);
+  }
+
  protected:
   // Must be initialized after |InProcessBrowserTest::SetUpOnMainThread|.
   std::unique_ptr<BrowserActionTestUtil> browser_action_test_util_;
@@ -103,6 +128,13 @@ class MediaRouterUIBrowserTest : public InProcessBrowserTest {
 
   // Hosts the |toolbar_action_view_|.
   views::Widget* toolbar_action_view_widget_;
+
+  std::unique_ptr<Issue> issue_;
+
+  // A vector of MediaRoutes that includes a local route.
+  std::vector<MediaRoute> routes_;
+
+  MediaRouterActionController* action_controller_;
 };
 
 IN_PROC_BROWSER_TEST_F(MediaRouterUIBrowserTest,
@@ -131,4 +163,42 @@ IN_PROC_BROWSER_TEST_F(MediaRouterUIBrowserTest,
   OpenMediaRouterDialogAndWaitForNewWebContents();
 }
 
+IN_PROC_BROWSER_TEST_F(MediaRouterUIBrowserTest,
+                       EphemeralToolbarIcon) {
+  action_controller_->OnIssueUpdated(issue_.get());
+  EXPECT_TRUE(ActionExists());
+  action_controller_->OnIssueUpdated(nullptr);
+  EXPECT_FALSE(ActionExists());
+
+  action_controller_->OnRoutesUpdated(routes_, std::vector<MediaRoute::Id>());
+  EXPECT_TRUE(ActionExists());
+  action_controller_->OnRoutesUpdated(
+      std::vector<MediaRoute>(), std::vector<MediaRoute::Id>());
+  EXPECT_FALSE(ActionExists());
+
+  media_router_action_->SetAlwaysShowActionPref(true);
+  EXPECT_TRUE(ActionExists());
+  media_router_action_->SetAlwaysShowActionPref(false);
+  EXPECT_FALSE(ActionExists());
+}
+
+IN_PROC_BROWSER_TEST_F(MediaRouterUIBrowserTest,
+                       EphemeralToolbarIconWithMultipleWindows) {
+  action_controller_->OnRoutesUpdated(routes_, std::vector<MediaRoute::Id>());
+  EXPECT_TRUE(ActionExists());
+
+  // Opening and closing a window shouldn't affect the state of the ephemeral
+  // icon. Creating and removing the icon with multiple windows open should also
+  // work.
+  Browser* browser2 = CreateBrowser(browser()->profile());
+  EXPECT_TRUE(ActionExists());
+  action_controller_->OnRoutesUpdated(
+      std::vector<MediaRoute>(), std::vector<MediaRoute::Id>());
+  EXPECT_FALSE(ActionExists());
+  action_controller_->OnRoutesUpdated(routes_, std::vector<MediaRoute::Id>());
+  EXPECT_TRUE(ActionExists());
+  browser2->window()->Close();
+  EXPECT_TRUE(ActionExists());
+}
+
 }  // namespace media_router