Add new version of enrollment screen supporting OAuth.

chrome/browser/ui/webui/chromeos/login/enterprise_oauth_enrollment_screen_handler.h

+// 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.
+
+#ifndef CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_ENTERPRISE_OAUTH_ENROLLMENT_SCREEN_HANDLER_H_
+#define CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_ENTERPRISE_OAUTH_ENROLLMENT_SCREEN_HANDLER_H_
+#pragma once
+
+#include <string>
+
+#include "base/basictypes.h"
+#include "base/scoped_ptr.h"
+#include "base/values.h"
+#include "chrome/browser/chromeos/login/enterprise_enrollment_screen_actor.h"
+#include "chrome/browser/net/gaia/gaia_oauth_consumer.h"
+#include "chrome/browser/ui/webui/chromeos/login/base_screen_handler.h"
+#include "chrome/browser/ui/webui/chromeos/login/oobe_ui.h"
+
+class GaiaOAuthFetcher;
+
+namespace chromeos {
+
+// WebUIMessageHandler implementation which handles events occurring on the
+// page, such as the user pressing the signin button.
+class EnterpriseOAuthEnrollmentScreenHandler
+    : public BaseScreenHandler,
+      public EnterpriseEnrollmentScreenActor,
+      public GaiaOAuthConsumer {
+ public:
+  EnterpriseOAuthEnrollmentScreenHandler();
+  virtual ~EnterpriseOAuthEnrollmentScreenHandler();
+
+  // Implements WebUIMessageHandler:
+  virtual void RegisterMessages() OVERRIDE;
+
+  // Implements EnterpriseEnrollmentScreenActor:
+  virtual void SetController(Controller* controller);
+  virtual void PrepareToShow() OVERRIDE;
+  virtual void Show() OVERRIDE;
+  virtual void Hide() OVERRIDE;
+  virtual void SetEditableUser(bool editable) OVERRIDE;
+  virtual void ShowConfirmationScreen() OVERRIDE;
+  virtual void ShowAuthError(const GoogleServiceAuthError& error) OVERRIDE;
+  virtual void ShowAccountError() OVERRIDE;
+  virtual void ShowFatalAuthError() OVERRIDE;
+  virtual void ShowFatalEnrollmentError() OVERRIDE;
+  virtual void ShowNetworkEnrollmentError() OVERRIDE;
+
+  // Implements BaseScreenHandler:
+  virtual void GetLocalizedStrings(
+      base::DictionaryValue* localized_strings) OVERRIDE;
+
+  // Implements GaiaOAuthConsumer:
+  virtual void OnGetOAuthTokenFailure() OVERRIDE;
+  virtual void OnOAuthGetAccessTokenFailure(
+      const GoogleServiceAuthError& error) OVERRIDE;
+  virtual void OnOAuthWrapBridgeSuccess(const std::string& service_scope,
+                                        const std::string& token,
+                                        const std::string& expires_in) OVERRIDE;
+  virtual void OnOAuthWrapBridgeFailure(
+      const std::string& service_scope,
+      const GoogleServiceAuthError& error) OVERRIDE;
+  virtual void OnUserInfoSuccess(const std::string& email) OVERRIDE;
+  virtual void OnUserInfoFailure(const GoogleServiceAuthError& error) OVERRIDE;
+
+ protected:
+  // Implements BaseScreenHandler:
+  virtual void Initialize() OVERRIDE;
+
+  // Keeps the controller for this actor.
+  Controller* controller_;
+
+ private:
+  // Handlers for WebUI messages.
+  void HandleClose(const base::ListValue* args);
+  void HandleCompleteLogin(const base::ListValue* args);
+  void HandleRetry(const base::ListValue* args);
+
+  // Shows a given enrollment step.
+  void ShowStep(const char* step);
+
+  // Display the given i18n string as error message.
+  void ShowError(int message_id, bool retry);
+
+  // Resets the authentication machinery and clears cookies, so other screens
+  // (like the actual login screen) find a clean slate and don't pick up our
+  // auth state.
+  void ResetAuth();
+
+  bool editable_user_;
+  bool show_on_init_;
+
+  // Username of the user signing in.
+  std::string user_;
+
+  // This intentionally lives here and not in the controller, since it needs to
+  // execute requests in the context of the profile that displays the webui.
+  scoped_ptr<GaiaOAuthFetcher> oauth_fetcher_;
+
+  DISALLOW_COPY_AND_ASSIGN(EnterpriseOAuthEnrollmentScreenHandler);
+};
+
+}  // namespace chromeos
+
+#endif  // CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_ENTERPRISE_OAUTH_ENROLLMENT_SCREEN_HANDLER_H_