Refactor ArcSupportHost and ArcAuthService part 1.

chrome/browser/chromeos/arc/arc_auth_service.h

 // Copyright 2016 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.
 
 #ifndef CHROME_BROWSER_CHROMEOS_ARC_ARC_AUTH_SERVICE_H_
 #define CHROME_BROWSER_CHROMEOS_ARC_ARC_AUTH_SERVICE_H_
 
 #include <memory>
 #include <ostream>
 #include <string>
 
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "base/observer_list.h"
 #include "base/timer/timer.h"
 #include "chrome/browser/chromeos/arc/arc_auth_code_fetcher_delegate.h"
 #include "chrome/browser/chromeos/arc/arc_auth_context_delegate.h"
+#include "chrome/browser/chromeos/arc/arc_support_host.h"
+#include "chrome/browser/chromeos/arc/optin/arc_optin_preference_handler_observer.h"
 #include "chrome/browser/chromeos/policy/android_management_client.h"
 #include "components/arc/arc_bridge_service.h"
 #include "components/arc/arc_service.h"
 #include "components/arc/common/auth.mojom.h"
 #include "components/arc/instance_holder.h"
 #include "components/prefs/pref_change_registrar.h"
 #include "components/sync_preferences/pref_service_syncable_observer.h"
 #include "components/sync_preferences/synced_pref_observer.h"
 #include "mojo/public/cpp/bindings/binding.h"
 
 class ArcAppLauncher;
 class Profile;
 
 namespace ash {
 class ShelfDelegate;
 }
 
 namespace user_prefs {
 class PrefRegistrySyncable;
 }
 
-class ArcSupportHost;
-
 namespace arc {
 
 class ArcAndroidManagementChecker;
 class ArcAuthCodeFetcher;
 class ArcAuthContext;
+class ArcOptInPreferenceHandler;
 enum class ProvisioningResult : int;
 
 // This class proxies the request from the client to fetch an auth code from
 // LSO. It lives on the UI thread.
 class ArcAuthService : public ArcService,
                        public mojom::AuthHost,
                        public ArcBridgeService::Observer,
                        public InstanceHolder<mojom::AuthInstance>::Observer,
+                       public ArcSupportHost::Observer,
+                       public ArcOptInPreferenceHandlerObserver,
                        public ArcAuthContextDelegate,
                        public ArcAuthCodeFetcherDelegate,
                        public sync_preferences::PrefServiceSyncableObserver,
                        public sync_preferences::SyncedPrefObserver {
  public:
   enum class State {
     NOT_INITIALIZED,  // Service is not initialized.
     STOPPED,          // ARC is not running.
     FETCHING_CODE,    // ARC may be running or not. Auth code is fetching.
     ACTIVE,           // ARC is running.
   };
 
-  enum class UIPage {
-    NO_PAGE,              // Hide everything.
-    TERMS,                // Terms content page.
-    LSO_PROGRESS,         // LSO loading progress page.
-    LSO,                  // LSO page to enter user's credentials.
-    START_PROGRESS,       // Arc starting progress page.
-    ERROR,                // Arc start error page.
-    ERROR_WITH_FEEDBACK,  // Arc start error page, plus feedback button.
-  };
-
   class Observer {
    public:
     virtual ~Observer() = default;
 
     // Called whenever Opt-In state of the ARC has been changed.
     virtual void OnOptInChanged(State state) {}
 
     // Called to notify that ARC bridge is shut down.
     virtual void OnShutdownBridge() {}
 
@@ skipping 86 matching lines @@
   void OnSyncedPrefChanged(const std::string& path, bool from_sync) override;
 
   // ArcAuthContextDelegate:
   void OnContextReady() override;
   void OnPrepareContextFailed() override;
 
   // ArcAuthCodeFetcherDelegate:
   void OnAuthCodeSuccess(const std::string& auth_code) override;
   void OnAuthCodeFailed() override;
 
+  // ArcSupportHost::Observer:
+  void OnWindowClosed() override;
+  void OnTermsAgreed(bool is_metrics_enabled,
+                     bool is_backup_and_restore_enabled,
+                     bool is_location_service_enabled) override;
+  void OnAuthSucceeded(const std::string& auth_code) override;
+  void OnSendFeedbackClicked() override;
+
+  // arc::ArcOptInPreferenceHandlerObserver:
+  void OnMetricsModeChanged(bool enabled, bool managed) override;
+  void OnBackupAndRestoreModeChanged(bool enabled, bool managed) override;
+  void OnLocationServicesModeChanged(bool enabled, bool managed) override;
+
   // Stops ARC without changing ArcEnabled preference.
   void StopArc();
 
   // StopArc(), then EnableArc(). Between them data clear may happens.
   // This is a special method to support enterprise device lost case.
   // This can be called only when ARC is running.
   void StopAndEnableArc();
 
   // Removes the data if ARC is stopped. Otherwise, queue to remove the data
   // on ARC is stopped.
   void RemoveArcData();
 
   // Returns current page that has to be shown in OptIn UI.
-  UIPage ui_page() const { return ui_page_; }
+  ArcSupportHost::UIPage ui_page() const { return ui_page_; }
 
   // Returns current page status, relevant to the specific page.
   const base::string16& ui_page_status() const { return ui_page_status_; }
 
   ArcSupportHost* support_host() { return support_host_.get(); }
 
  private:
   void StartArc();
   // TODO: move UI methods/fields to ArcSupportHost.
-  void ShowUI(UIPage page, const base::string16& status);
+  void ShowUI(ArcSupportHost::UIPage page, const base::string16& status);
   void CloseUI();
-  void SetUIPage(UIPage page, const base::string16& status);
+  void SetUIPage(ArcSupportHost::UIPage page, const base::string16& status);
   void SetState(State state);
   void ShutdownBridge();
   void ShutdownBridgeAndCloseUI();
-  void ShutdownBridgeAndShowUI(UIPage page, const base::string16& status);
+  void ShutdownBridgeAndShowUI(ArcSupportHost::UIPage page,
+                               const base::string16& status);
   void OnOptInPreferenceChanged();
   void StartUI();
   void StartAndroidManagementClient();
   void OnAndroidManagementPassed();
   void OnArcDataRemoved(bool success);
   void OnArcSignInTimeout();
   bool IsAuthCodeRequest() const;
   void FetchAuthCode();
   void PrepareContextForAuthCodeRequest();
 
@@ skipping 14 matching lines @@
   PrefChangeRegistrar pref_change_registrar_;
 
   mojo::Binding<AuthHost> binding_;
   State state_ = State::NOT_INITIALIZED;
   base::ObserverList<Observer> observer_list_;
   std::unique_ptr<ArcAppLauncher> playstore_launcher_;
   std::string auth_code_;
   GetAuthCodeCallback auth_callback_;
   GetAuthCodeAndAccountTypeCallback auth_account_callback_;
   bool initial_opt_in_ = false;
-  UIPage ui_page_ = UIPage::NO_PAGE;
+  ArcSupportHost::UIPage ui_page_ = ArcSupportHost::UIPage::NO_PAGE;
   base::string16 ui_page_status_;
   bool clear_required_ = false;
   bool reenable_arc_ = false;
   base::OneShotTimer arc_sign_in_timer_;
 
   // Temporarily keeps the ArcSupportHost instance.
   // This should be moved to ArcSessionManager when the refactoring is
   // done.
   std::unique_ptr<ArcSupportHost> support_host_;
+  // Handles preferences and metrics mode.
+  std::unique_ptr<arc::ArcOptInPreferenceHandler> preference_handler_;
 
   std::unique_ptr<ArcAuthContext> context_;
   std::unique_ptr<ArcAuthCodeFetcher> auth_code_fetcher_;
   std::unique_ptr<ArcAndroidManagementChecker> android_management_checker_;
 
   base::Time sign_in_time_;
 
   base::WeakPtrFactory<ArcAuthService> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ArcAuthService);
 };
 
 // Outputs the stringified |state| to |os|. This is only for logging purposes.
 std::ostream& operator<<(std::ostream& os, const ArcAuthService::State& state);
 
 }  // namespace arc
 
 #endif  // CHROME_BROWSER_CHROMEOS_ARC_ARC_AUTH_SERVICE_H_