Adding managed icon for admin disables Google calendar integration.

Bug: b/255771093
Change-Id: I4c6ff633340546663026911ed46588692b1c9ad7
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3984830
Reviewed-by: Alex Newcomer <newcomer@chromium.org>
Commit-Queue: Ramya Gopalan <ramyagopalan@google.com>
Reviewed-by: Jiaming Cheng <jiamingc@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1065047}

ash/ash_strings.grd

@@ -4125,6 +4125,14 @@ Connect your device to power.
         Date and time settings
       </message>
 
+      <message name="IDS_ASH_CALENDAR_DISABLED_BY_ADMIN" desc="The label used in the managed button in the calendar view system settings.">
+        Disabled by admin
+      </message>
+
+      <message name="IDS_ASH_CALENDAR_DISABLED_BY_ADMIN_TOOLTIP" desc="The tooltip label used in the managed button in the calendar view system settings.">
+        Disabled by Admin
+      </message>
+
       <message name="IDS_ASH_CLOSE_BUTTON_ACCESSIBLE_DESCRIPTION" desc="The accessible label used in the close button in the calendar event list view.">
         Close event panel
       </message>

ash/ash_strings_grd/IDS_ASH_CALENDAR_DISABLED_BY_ADMIN.png.sha1

@@ -0,0 +1 @@
+a0dcd32d7ee1b64cd1e0b2b984241f7fac135bf4

ash/ash_strings_grd/IDS_ASH_CALENDAR_DISABLED_BY_ADMIN_TOOLTIP.png.sha1

@@ -0,0 +1 @@
+a0dcd32d7ee1b64cd1e0b2b984241f7fac135bf4

ash/system/time/calendar_view.cc

@@ -7,6 +7,7 @@
 #include <memory>
 
 #include "ash/public/cpp/ash_typography.h"
+#include "ash/resources/vector_icons/vector_icons.h"
 #include "ash/strings/grit/ash_strings.h"
 #include "ash/style/icon_button.h"
 #include "ash/style/pill_button.h"
@@ -500,9 +501,20 @@ CalendarView::~CalendarView() {
 }
 
 void CalendarView::CreateExtraTitleRowButtons() {
-  DCHECK(!reset_to_today_button_);
   tri_view()->SetContainerVisible(TriView::Container::END, /*visible=*/true);
+  if (calendar_utils::IsDisabledByAdmin()) {
+    DCHECK(!managed_button_);
+    managed_button_ = tri_view()->AddView(
+        TriView::Container::END,
+        std::make_unique<IconButton>(
+            base::BindRepeating(
+                &UnifiedSystemTrayController::HandleEnterpriseInfoAction,
+                base::Unretained(controller_)),
+            IconButton::Type::kSmall, &kSystemTrayManagedIcon,
+            IDS_ASH_CALENDAR_DISABLED_BY_ADMIN));
+  }
 
+  DCHECK(!reset_to_today_button_);
   reset_to_today_button_ = CreateInfoButton(
       base::BindRepeating(&CalendarView::ResetToTodayWithAnimation,
                           base::Unretained(this)),

ash/system/time/calendar_view.h

@@ -358,6 +358,7 @@ class ASH_EXPORT CalendarView : public CalendarModel::Observer,
   CalendarHeaderView* temp_header_ = nullptr;
   views::Button* reset_to_today_button_ = nullptr;
   views::Button* settings_button_ = nullptr;
+  IconButton* managed_button_ = nullptr;
   IconButton* up_button_ = nullptr;
   IconButton* down_button_ = nullptr;
   CalendarEventListView* event_list_view_ = nullptr;

ash/system/time/calendar_view_unittest.cc

@@ -53,6 +53,7 @@ using ::google_apis::calendar::EventList;
 
 constexpr char kTestUser[] = "user@test";
 constexpr int kLoadingBarIndex = 2;
+constexpr char kManagedPage[] = "ChromeOS.SystemTray.OpenHelpPageForManaged";
 
 }  // namespace
 
@@ -178,6 +179,8 @@ class CalendarViewTest : public AshTestBase {
     return calendar_view_->reset_to_today_button_;
   }
   views::Button* settings_button() { return calendar_view_->settings_button_; }
+
+  views::Button* managed_button() { return calendar_view_->managed_button_; }
   IconButton* up_button() { return calendar_view_->up_button_; }
   IconButton* down_button() { return calendar_view_->down_button_; }
   views::View* close_button() {
@@ -1222,6 +1225,67 @@ TEST_F(CalendarViewTest, EventListBoundsTest) {
   EXPECT_EQ(bottom_of_scroll_view_visible_area, top_of_event_list_view);
 }
 
+TEST_F(CalendarViewTest, AdminDisabledTest) {
+  base::Time date;
+  // Create a monthview based on Jun,7th 2021.
+  ASSERT_TRUE(base::Time::FromString("7 Jun 2021 10:00 GMT", &date));
+  // Set time override.
+  SetFakeNow(date);
+  base::subtle::ScopedTimeClockOverrides time_override(
+      &CalendarViewTest::FakeTimeNow, /*time_ticks_override=*/nullptr,
+      /*thread_ticks_override=*/nullptr);
+  Shell::Get()->session_controller()->GetActivePrefService()->SetBoolean(
+      ash::prefs::kCalendarIntegrationEnabled, false);
+
+  CreateCalendarView();
+
+  auto* focus_manager = calendar_view()->GetFocusManager();
+  // Todays DateCellView should be focused on open.
+  ASSERT_TRUE(focus_manager->GetFocusedView()->GetClassName());
+  ASSERT_TRUE(focus_manager->GetFocusedView());
+
+  // Moves to the back button.
+  PressTab();
+
+  // Moves to the next focusable view - managed icon button.
+  PressTab();
+  EXPECT_EQ(managed_button(), focus_manager->GetFocusedView());
+
+  // Moves to the next focusable view. Today's button.
+  PressTab();
+  EXPECT_EQ(reset_to_today_button(), focus_manager->GetFocusedView());
+
+  // Moves to settings button.
+  PressTab();
+  EXPECT_EQ(settings_button(), focus_manager->GetFocusedView());
+
+  // Moves back to managed icon button.
+  PressShiftTab();
+  PressShiftTab();
+  EXPECT_EQ(managed_button(), focus_manager->GetFocusedView());
+}
+
+TEST_F(CalendarViewTest, ManagedButtonTest) {
+  base::HistogramTester histogram_tester;
+  base::Time date;
+  // Create a monthview based on Jun,7th 2021.
+  ASSERT_TRUE(base::Time::FromString("7 Jun 2021 10:00 GMT", &date));
+  // Set time override.
+  SetFakeNow(date);
+  base::subtle::ScopedTimeClockOverrides time_override(
+      &CalendarViewTest::FakeTimeNow, /*time_ticks_override=*/nullptr,
+      /*thread_ticks_override=*/nullptr);
+  Shell::Get()->session_controller()->GetActivePrefService()->SetBoolean(
+      ash::prefs::kCalendarIntegrationEnabled, false);
+  CreateCalendarView();
+
+  // Click on managed button to open chrome://management.
+  GestureTapOn(managed_button());
+
+  // Expect increment to UMA histogram count for managed page - enterprise.
+  histogram_tester.ExpectBucketCount(kManagedPage, 0, 1);
+}
+
 // A test class for testing animation. This class cannot set fake now since it's
 // using `MOCK_TIME` to test the animations, and it can't inherit from
 // CalendarAnimationTest due to the same reason.