[cros login] Split login related classes into subfolders.

chrome/browser/chromeos/login/login_display_host.h

-// Copyright (c) 2012 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_LOGIN_LOGIN_DISPLAY_HOST_H_
-#define CHROME_BROWSER_CHROMEOS_LOGIN_LOGIN_DISPLAY_HOST_H_
-
-#include <string>
-
-#include "base/callback.h"
-#include "base/callback_list.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/values.h"
-#include "chrome/browser/chromeos/customization_document.h"
-#include "chrome/browser/chromeos/login/login_display.h"
-#include "ui/gfx/native_widget_types.h"
-
-namespace views {
-class Widget;
-}  // namespace views
-
-namespace chromeos {
-
-class AppLaunchController;
-class AutoEnrollmentController;
-class LoginScreenContext;
-class WebUILoginView;
-class WizardController;
-
-// An interface that defines OOBE/login screen host.
-// Host encapsulates WebUI window OOBE/login controllers,
-// UI implementation (such as LoginDisplay).
-class LoginDisplayHost {
- public:
-  virtual ~LoginDisplayHost() {}
-
-  // Creates UI implementation specific login display instance (views/WebUI).
-  // The caller takes ownership of the returned value.
-  virtual LoginDisplay* CreateLoginDisplay(
-      LoginDisplay::Delegate* delegate) = 0;
-
-  // Returns corresponding native window.
-  virtual gfx::NativeWindow GetNativeWindow() const = 0;
-
-  // Returns the current login view.
-  virtual WebUILoginView* GetWebUILoginView() const = 0;
-
-  // Called when browsing session starts before creating initial browser.
-  virtual void BeforeSessionStart() = 0;
-
-  // Called when user enters or returns to browsing session so
-  // LoginDisplayHost instance may delete itself.
-  virtual void Finalize() = 0;
-
-  // Called when a login has completed successfully.
-  virtual void OnCompleteLogin() = 0;
-
-  // Open proxy settings dialog.
-  virtual void OpenProxySettings() = 0;
-
-  // Toggles status area visibility.
-  virtual void SetStatusAreaVisible(bool visible) = 0;
-
-  // Gets the auto-enrollment client.
-  virtual AutoEnrollmentController* GetAutoEnrollmentController() = 0;
-
-  // Starts out-of-box-experience flow or shows other screen handled by
-  // Wizard controller i.e. camera, recovery.
-  // One could specify start screen with |first_screen_name|.
-  // Takes ownership of |screen_parameters|, which can also be NULL.
-  virtual void StartWizard(
-      const std::string& first_screen_name,
-      scoped_ptr<base::DictionaryValue> screen_parameters) = 0;
-
-  // Returns current WizardController, if it exists.
-  // Result should not be stored.
-  virtual WizardController* GetWizardController() = 0;
-
-  // Returns current AppLaunchController, if it exists.
-  // Result should not be stored.
-  virtual AppLaunchController* GetAppLaunchController() = 0;
-
-  // Starts screen for adding user into session.
-  // |completion_callback| called before display host shutdown.
-  // |completion_callback| can be null.
-  virtual void StartUserAdding(const base::Closure& completion_callback) = 0;
-
-  // Starts sign in screen.
-  virtual void StartSignInScreen(const LoginScreenContext& context) = 0;
-
-  // Resumes a previously started sign in screen.
-  virtual void ResumeSignInScreen() = 0;
-
-  // Invoked when system preferences that affect the signin screen have changed.
-  virtual void OnPreferencesChanged() = 0;
-
-  // Initiates authentication network prewarming.
-  virtual void PrewarmAuthentication() = 0;
-
-  // Starts app launch splash screen.
-  virtual void StartAppLaunch(const std::string& app_id,
-                              bool diagnostic_mode) = 0;
-
-  // Starts the demo app launch.
-  virtual void StartDemoAppLaunch() = 0;
-};
-
-}  // namespace chromeos
-
-#endif  // CHROME_BROWSER_CHROMEOS_LOGIN_LOGIN_DISPLAY_HOST_H_