chrome/browser/chromeos/login/login_display_host.h

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CHROME_BROWSER_CHROMEOS_LOGIN_LOGIN_DISPLAY_HOST_H_
   6 #define CHROME_BROWSER_CHROMEOS_LOGIN_LOGIN_DISPLAY_HOST_H_
   7
   8 #include <string>
   9
  10 #include "base/callback.h"
  11 #include "base/memory/scoped_ptr.h"
  12 #include "base/values.h"
  13 #include "chrome/browser/chromeos/customization_document.h"
  14 #include "chrome/browser/chromeos/login/login_display.h"
  15 #include "ui/gfx/native_widget_types.h"
  16
  17 namespace views {
  18 class Widget;
  19 }  // namespace views
  20
  21 namespace chromeos {
  22
  23 class AppLaunchController;
  24 class LoginScreenContext;
  25 class WebUILoginView;
  26 class WizardController;
  27
  28 // An interface that defines OOBE/login screen host.
  29 // Host encapsulates WebUI window OOBE/login controllers,
  30 // UI implementation (such as LoginDisplay).
  31 class LoginDisplayHost {
  32  public:
  33   // Callback for GetAutoEnrollmentCheckResult. It is invoked with when
  34   // a decision is made for auto enrollment. It is invoked with "true" when
  35   // auto enrollment check is finished and auto enrollment should be enforced.
  36   // Otherwise, it is invoked with "false".
  37   typedef base::Callback<void(bool)> GetAutoEnrollmentCheckResultCallback;
  38
  39   virtual ~LoginDisplayHost() {}
  40
  41   // Creates UI implementation specific login display instance (views/WebUI).
  42   // The caller takes ownership of the returned value.
  43   virtual LoginDisplay* CreateLoginDisplay(
  44       LoginDisplay::Delegate* delegate) = 0;
  45
  46   // Returns corresponding native window.
  47   virtual gfx::NativeWindow GetNativeWindow() const = 0;
  48
  49   // Returns the current login view.
  50   virtual WebUILoginView* GetWebUILoginView() const = 0;
  51
  52   // Called when browsing session starts before creating initial browser.
  53   virtual void BeforeSessionStart() = 0;
  54
  55   // Called when user enters or returns to browsing session so
  56   // LoginDisplayHost instance may delete itself.
  57   virtual void Finalize() = 0;
  58
  59   // Called when a login has completed successfully.
  60   virtual void OnCompleteLogin() = 0;
  61
  62   // Open proxy settings dialog.
  63   virtual void OpenProxySettings() = 0;
  64
  65   // Toggles status area visibility.
  66   virtual void SetStatusAreaVisible(bool visible) = 0;
  67
  68   // Signals the LoginDisplayHost that it can proceed with the Enterprise
  69   // Auto-Enrollment checks now.
  70   virtual void CheckForAutoEnrollment() = 0;
  71
  72   // Gets the auto enrollment check results. If the check is still pending,
  73   // |callback| will be invoked asynchronously after it is finished. Otherwise,
  74   // |callback| is invoked synchronously before this call returns.
  75   virtual void GetAutoEnrollmentCheckResult(
  76       const GetAutoEnrollmentCheckResultCallback& callback) = 0;
  77
  78   // Starts out-of-box-experience flow or shows other screen handled by
  79   // Wizard controller i.e. camera, recovery.
  80   // One could specify start screen with |first_screen_name|.
  81   // Takes ownership of |screen_parameters|, which can also be NULL.
  82   virtual void StartWizard(
  83       const std::string& first_screen_name,
  84       scoped_ptr<base::DictionaryValue> screen_parameters) = 0;
  85
  86   // Returns current WizardController, if it exists.
  87   // Result should not be stored.
  88   virtual WizardController* GetWizardController() = 0;
  89
  90   // Returns current AppLaunchController, if it exists.
  91   // Result should not be stored.
  92   virtual AppLaunchController* GetAppLaunchController() = 0;
  93
  94   // Starts screen for adding user into session.
  95   // |completion_callback| called before display host shutdown.
  96   // |completion_callback| can be null.
  97   virtual void StartUserAdding(const base::Closure& completion_callback) = 0;
  98
  99   // Starts sign in screen.
 100   virtual void StartSignInScreen(const LoginScreenContext& context) = 0;
 101
 102   // Resumes a previously started sign in screen.
 103   virtual void ResumeSignInScreen() = 0;
 104
 105   // Invoked when system preferences that affect the signin screen have changed.
 106   virtual void OnPreferencesChanged() = 0;
 107
 108   // Initiates authentication network prewarming.
 109   virtual void PrewarmAuthentication() = 0;
 110
 111   // Starts app launch splash screen.
 112   virtual void StartAppLaunch(const std::string& app_id) = 0;
 113 };
 114
 115 }  // namespace chromeos
 116
 117 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_LOGIN_DISPLAY_HOST_H_