Date and Time dialog for when the clock isn't synced.

ash/system/date/tray_date.cc

 // Copyright (c) 2012 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 "ash/system/date/tray_date.h"
 
 #include "ash/shell.h"
 #include "ash/system/date/date_default_view.h"
 #include "ash/system/date/date_view.h"
 #include "ash/system/tray/system_tray.h"
 #include "ash/system/tray/system_tray_notifier.h"
 #include "ash/system/tray/tray_item_view.h"
 
 #if defined(OS_CHROMEOS)
 #include "ash/system/chromeos/system_clock_observer.h"
 #endif
 
 namespace ash {
 
 TrayDate::TrayDate(SystemTray* system_tray)
     : SystemTrayItem(system_tray),
       time_tray_(NULL),
-      default_view_(NULL) {
+      default_view_(NULL),
+      login_status_(user::LOGGED_IN_NONE) {
 #if defined(OS_CHROMEOS)
   system_clock_observer_.reset(new SystemClockObserver());
 #endif
   Shell::GetInstance()->system_tray_notifier()->AddClockObserver(this);
 }
 
 TrayDate::~TrayDate() {
   Shell::GetInstance()->system_tray_notifier()->RemoveClockObserver(this);
 }
 
@@ skipping 22 matching lines @@
        system_tray()->shelf_alignment() == SHELF_ALIGNMENT_TOP) ?
           HORIZONTAL_CLOCK : VERTICAL_CLOCK;
   time_tray_ = new tray::TimeView(clock_layout);
   views::View* view = new TrayItemView(this);
   view->AddChildView(time_tray_);
   return view;
 }
 
 views::View* TrayDate::CreateDefaultView(user::LoginStatus status) {
   default_view_ = new DateDefaultView(status);
+
+#if defined(OS_CHROMEOS)
+  // Save the login status we created the view with.
+  login_status_ = status;
+
+  OnSystemClockCanSetTimeChanged(system_clock_observer_->can_set_time());
+#endif
   return default_view_;
 }
 
 views::View* TrayDate::CreateDetailedView(user::LoginStatus status) {
   return NULL;
 }
 
 void TrayDate::DestroyTrayView() {
   time_tray_ = NULL;
 }
@@ skipping 24 matching lines @@
     default_view_->GetDateView()->UpdateTimeFormat();
 }
 
 void TrayDate::OnSystemClockTimeUpdated() {
   if (time_tray_)
     time_tray_->UpdateTimeFormat();
   if (default_view_)
     default_view_->GetDateView()->UpdateTimeFormat();
 }
 
+void TrayDate::OnSystemClockCanSetTimeChanged(bool can_set_time) {
+  // Outside of a logged-in session, the date button should launch the set time
+  // dialog if the time can be set.
+  if (default_view_ && login_status_ == user::LOGGED_IN_NONE) {
+    default_view_->GetDateView()->SetAction(
+        can_set_time ? TrayDate::SET_SYSTEM_TIME : TrayDate::NONE);
+  }
+}
+
 void TrayDate::Refresh() {
   if (time_tray_)
     time_tray_->UpdateText();
 }
 
 }  // namespace ash