arc-bridge: Add the ARC Bridge Service

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/accelerators/magnifier_key_scroller.h"
 #include "ash/accelerators/spoken_feedback_toggler.h"
 #include "ash/accessibility_delegate.h"
 #include "ash/wm/mru_window_tracker.h"
@@ skipping 17 matching lines @@
 #include "chrome/browser/ui/ash/launcher/chrome_launcher_controller.h"
 #include "chrome/browser/ui/ash/media_delegate_chromeos.h"
 #include "chrome/browser/ui/ash/session_state_delegate_chromeos.h"
 #include "chrome/browser/ui/ash/system_tray_delegate_chromeos.h"
 #include "chrome/browser/ui/aura/accessibility/automation_manager_aura.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_finder.h"
 #include "chrome/browser/ui/browser_window.h"
 #include "chrome/grit/generated_resources.h"
 #include "chromeos/chromeos_switches.h"
+#include "components/arc/arc_bridge_service.h"
+#include "components/arc/arc_prefs.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/user_metrics.h"
 #include "ui/aura/window.h"
 #include "ui/base/ime/chromeos/input_method_manager.h"
 #include "ui/base/l10n/l10n_util.h"
 
 namespace {
 
 void InitAfterFirstSessionStart() {
   // Restore focus after the user session is started.  It's needed because some
@@ skipping 170 matching lines @@
       chromeos::switches::kFirstExecAfterBoot);
 }
 
 void ChromeShellDelegate::PreInit() {
   chromeos::LoadDisplayPreferences(IsFirstRunAfterBoot());
   // Set the observer now so that we can save the initial state
   // in Shell::Init.
   display_configuration_observer_.reset(
       new chromeos::DisplayConfigurationObserver());
 
+  arc_session_observer_.reset(new ArcSessionObserver);
+
   chrome_user_metrics_recorder_.reset(new ChromeUserMetricsRecorder);
 }
 
 void ChromeShellDelegate::PreShutdown() {
   display_configuration_observer_.reset();
+
+  // Remove the ARC observer now since it uses the ash::Shell instance in its
+  // destructor, which is unavailable after PreShutdown returns.
+  arc_session_observer_.reset();
+
   chrome_user_metrics_recorder_.reset();
 }
 
 ash::SessionStateDelegate* ChromeShellDelegate::CreateSessionStateDelegate() {
   return new SessionStateDelegateChromeos;
 }
 
 ash::AccessibilityDelegate* ChromeShellDelegate::CreateAccessibilityDelegate() {
   return new AccessibilityDelegateImpl;
 }
@@ skipping 47 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());
 }
+
+ChromeShellDelegate::ArcSessionObserver::ArcSessionObserver() {
+  ash::Shell::GetInstance()->AddShellObserver(this);
+}
+
+ChromeShellDelegate::ArcSessionObserver::~ArcSessionObserver() {
+  ash::Shell::GetInstance()->RemoveShellObserver(this);
+}
+
+void ChromeShellDelegate::ArcSessionObserver::OnLoginStateChanged(
+    ash::user::LoginStatus status) {
+  switch (status) {
+    case ash::user::LOGGED_IN_LOCKED:
+    case ash::user::LOGGED_IN_KIOSK_APP:
+      return;
+
+    case ash::user::LOGGED_IN_NONE:
+      arc::ArcBridgeService::Get()->Shutdown();
+      break;
+
+    case ash::user::LOGGED_IN_USER:
+    case ash::user::LOGGED_IN_OWNER:
+    case ash::user::LOGGED_IN_GUEST:
+    case ash::user::LOGGED_IN_PUBLIC:
+    case ash::user::LOGGED_IN_SUPERVISED:
+      Profile* profile = ProfileManager::GetActiveUserProfile();
+      const bool enabled = arc::ArcPrefs::GetEnabled(
+          profile->GetPrefs(), base::CommandLine::ForCurrentProcess());
+      if (enabled) {
+        arc::ArcBridgeService::Get()->HandleStartup();
+      }
+      break;
+  }
+}