Revert 194578 "Add ash SessionStateDelegate"

trunk/src/chrome/browser/ui/ash/chrome_shell_delegate_chromeos.cc

 // Copyright 2013 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/ui/ash/chrome_shell_delegate.h"
 
 #include "ash/keyboard_overlay/keyboard_overlay_view.h"
 #include "ash/system/chromeos/network/network_observer.h"
 #include "ash/system/tray/system_tray_notifier.h"
 #include "ash/wm/window_util.h"
+#include "base/chromeos/chromeos_version.h"
 #include "base/command_line.h"
 #include "base/prefs/pref_service.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/chromeos/accessibility/accessibility_util.h"
 #include "chrome/browser/chromeos/accessibility/magnification_manager.h"
 #include "chrome/browser/chromeos/background/ash_user_wallpaper_delegate.h"
 #include "chrome/browser/chromeos/cros/cros_library.h"
 #include "chrome/browser/chromeos/cros/network_library.h"
 #include "chrome/browser/chromeos/display/display_preferences.h"
 #include "chrome/browser/chromeos/extensions/file_manager/file_manager_util.h"
 #include "chrome/browser/chromeos/extensions/media_player_api.h"
 #include "chrome/browser/chromeos/extensions/media_player_event_router.h"
 #include "chrome/browser/chromeos/input_method/input_method_configuration.h"
 #include "chrome/browser/chromeos/input_method/input_method_manager.h"
 #include "chrome/browser/chromeos/login/screen_locker.h"
+#include "chrome/browser/chromeos/login/user_manager.h"
 #include "chrome/browser/chromeos/login/webui_login_display_host.h"
 #include "chrome/browser/chromeos/system/ash_system_tray_delegate.h"
 #include "chrome/browser/extensions/api/terminal/terminal_extension_helper.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/browser/ui/ash/caps_lock_delegate_chromeos.h"
 #include "chrome/browser/ui/ash/window_positioner.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_finder.h"
 #include "chrome/browser/ui/browser_window.h"
 #include "chrome/browser/ui/webui/chrome_web_contents_handler.h"
 #include "chrome/browser/ui/webui/chromeos/login/oobe_ui.h"
 #include "chrome/browser/ui/webui/chromeos/mobile_setup_dialog.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/common/url_constants.h"
 #include "chromeos/chromeos_switches.h"
 #include "chromeos/dbus/dbus_thread_manager.h"
 #include "chromeos/dbus/power_manager_client.h"
+#include "chromeos/dbus/session_manager_client.h"
 #include "content/public/browser/user_metrics.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/browser/web_contents_view.h"
 #include "grit/generated_resources.h"
 #include "ui/base/l10n/l10n_util.h"
 
+bool ChromeShellDelegate::IsUserLoggedIn() const {
+  // When running a Chrome OS build outside of a device (i.e. on a developer's
+  // workstation) and not running as login-manager, pretend like we're always
+  // logged in.
+  if (!base::chromeos::IsRunningOnChromeOS() &&
+      !CommandLine::ForCurrentProcess()->HasSwitch(
+          chromeos::switches::kLoginManager)) {
+    return true;
+  }
+
+  return chromeos::UserManager::Get()->IsUserLoggedIn();
+}
+
+bool ChromeShellDelegate::IsSessionStarted() const {
+  // Returns true if we're logged in and browser has been started
+  return chromeos::UserManager::Get()->IsSessionStarted();
+}
+
+bool ChromeShellDelegate::IsGuestSession() const {
+  return CommandLine::ForCurrentProcess()->HasSwitch(
+      chromeos::switches::kGuestSession);
+}
+
 bool ChromeShellDelegate::IsFirstRunAfterBoot() const {
   return CommandLine::ForCurrentProcess()->HasSwitch(
       chromeos::switches::kFirstBoot);
 }
 
+bool ChromeShellDelegate::CanLockScreen() const {
+  return chromeos::UserManager::Get()->CanCurrentUserLock();
+}
+
+void ChromeShellDelegate::LockScreen() {
+  if (CanLockScreen()) {
+    // TODO(antrim) : additional logging for crbug/173178
+    LOG(WARNING) << "Requesting screen lock from ChromeShellDelegate";
+    chromeos::DBusThreadManager::Get()->GetSessionManagerClient()->
+        RequestLockScreen();
+  }
+}
+
+bool ChromeShellDelegate::IsScreenLocked() const {
+  if (!chromeos::ScreenLocker::default_screen_locker())
+    return false;
+  return chromeos::ScreenLocker::default_screen_locker()->locked();
+}
+
 void ChromeShellDelegate::PreInit() {
   chromeos::LoadDisplayPreferences(IsFirstRunAfterBoot());
 }
 
 void ChromeShellDelegate::Shutdown() {
   content::RecordAction(content::UserMetricsAction("Shutdown"));
   chromeos::DBusThreadManager::Get()->GetPowerManagerClient()->
       RequestShutdown();
 }
 
@@ skipping 130 matching lines @@
 void ChromeShellDelegate::ShowKeyboardOverlay() {
   // TODO(mazda): Move the show logic to ash (http://crbug.com/124222).
   Profile* profile = ProfileManager::GetDefaultProfileOrOffTheRecord();
   std::string url(chrome::kChromeUIKeyboardOverlayURL);
   ash::KeyboardOverlayView::ShowDialog(profile,
                                        new ChromeWebContentsHandler,
                                        GURL(url));
 }
 
 bool ChromeShellDelegate::ShouldAlwaysShowAccessibilityMenu() const {
+  if (!IsUserLoggedIn())
+    return true;
+
   Profile* profile = ProfileManager::GetDefaultProfile();
   if (!profile)
     return false;
 
   PrefService* user_pref_service = profile->GetPrefs();
   return user_pref_service &&
       user_pref_service->GetBoolean(prefs::kShouldAlwaysShowAccessibilityMenu);
 }
 
 ash::SystemTrayDelegate* ChromeShellDelegate::CreateSystemTrayDelegate() {
@@ skipping 38 matching lines @@
 }
 
 void ChromeShellDelegate::PlatformInit() {
   registrar_.Add(this,
                  chrome::NOTIFICATION_LOGIN_USER_PROFILE_PREPARED,
                  content::NotificationService::AllSources());
   registrar_.Add(this,
                  chrome::NOTIFICATION_SESSION_STARTED,
                  content::NotificationService::AllSources());
 }