[cros, Aura] Make screen_mode static variable in StatusAreaViewChromeos

chrome/browser/chromeos/status/status_area_view_chromeos.cc

 // Copyright (c) 2011 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/chromeos/status/status_area_view_chromeos.h"
 
 #include "base/command_line.h"
 #include "chrome/browser/chromeos/dbus/dbus_thread_manager.h"
 #include "chrome/browser/chromeos/status/accessibility_menu_button.h"
 #include "chrome/browser/chromeos/status/caps_lock_menu_button.h"
 #include "chrome/browser/chromeos/status/clock_menu_button.h"
 #include "chrome/browser/chromeos/status/input_method_menu_button.h"
 #include "chrome/browser/chromeos/status/memory_menu_button.h"
 #include "chrome/browser/chromeos/status/network_menu_button.h"
 #include "chrome/browser/chromeos/status/power_menu_button.h"
 #include "chrome/browser/chromeos/view_ids.h"
 #include "chrome/common/chrome_switches.h"
 
 namespace chromeos {
 
+// static
+StatusAreaViewChromeos::ScreenMode
+    StatusAreaViewChromeos::screen_mode_ = BROWSER_MODE;
+
+// static
+bool StatusAreaViewChromeos::IsBrowserMode() {
+  return screen_mode_ == BROWSER_MODE;
+}
+
+// static
+bool StatusAreaViewChromeos::IsLoginMode() {
+  return screen_mode_ == LOGIN_MODE_WEBUI;
+}
+
+// static
+bool StatusAreaViewChromeos::IsScreenLockMode() {
+  return screen_mode_ == SCREEN_LOCKER_MODE;
+}
+
+// static
+void StatusAreaViewChromeos::SetScreenMode(ScreenMode mode) {
+  screen_mode_ = mode;
+}
+
 StatusAreaViewChromeos::StatusAreaViewChromeos() {
   DBusThreadManager::Get()->GetPowerManagerClient()->AddObserver(this);
   system::TimezoneSettings::GetInstance()->AddObserver(this);
 }
 
 StatusAreaViewChromeos::~StatusAreaViewChromeos() {
   DBusThreadManager::Get()->GetPowerManagerClient()->RemoveObserver(this);
   system::TimezoneSettings::GetInstance()->RemoveObserver(this);
 }
 
-void StatusAreaViewChromeos::Init(StatusAreaButton::Delegate* delegate,
-                                  ScreenMode screen_mode) {
-  AddChromeosButtons(this, delegate, screen_mode, NULL);
+void StatusAreaViewChromeos::Init(StatusAreaButton::Delegate* delegate) {
+  AddChromeosButtons(this, delegate, NULL);
 }
 
 void StatusAreaViewChromeos::SystemResumed() {
   UpdateClockText();
 }
 
 void StatusAreaViewChromeos::TimezoneChanged(const icu::TimeZone& timezone) {
   UpdateClockText();
 }
 
 void StatusAreaViewChromeos::UpdateClockText() {
   ClockMenuButton* clock_button =
       static_cast<ClockMenuButton*>(GetViewByID(VIEW_ID_STATUS_BUTTON_CLOCK));
   if (clock_button)
     clock_button->UpdateText();
 }
 
 void StatusAreaViewChromeos::SetDefaultUse24HourClock(bool use_24hour_clock) {
   ClockMenuButton* clock_button =
       static_cast<ClockMenuButton*>(GetViewByID(VIEW_ID_STATUS_BUTTON_CLOCK));
   if (clock_button)
     clock_button->SetDefaultUse24HourClock(use_24hour_clock);
 }
 
 // static
 void StatusAreaViewChromeos::AddChromeosButtons(
     StatusAreaView* status_area,
     StatusAreaButton::Delegate* delegate,
-    ScreenMode screen_mode,
     ClockMenuButton** clock_button) {
   const bool border = true;
   const bool no_border = false;
 
   if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kMemoryWidget))
     status_area->AddButton(new MemoryMenuButton(delegate), no_border);
 
-  status_area->AddButton(
-      new AccessibilityMenuButton(delegate, screen_mode), border);
+  status_area->AddButton(new AccessibilityMenuButton(delegate), border);
   status_area->AddButton(new CapsLockMenuButton(delegate), border);
   ClockMenuButton* clock = new ClockMenuButton(delegate);
   status_area->AddButton(clock, border);
   if (clock_button)
     *clock_button = clock;
 
-  status_area->AddButton(
-      new InputMethodMenuButton(delegate, screen_mode), no_border);
-  status_area->AddButton(
-      new NetworkMenuButton(delegate, screen_mode), no_border);
+  status_area->AddButton(new InputMethodMenuButton(delegate), no_border);
+  status_area->AddButton(new NetworkMenuButton(delegate), no_border);
   status_area->AddButton(new PowerMenuButton(delegate), no_border);
 }
 
 }  // namespace chromeos