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/callback_list.h"
  12 #include "base/memory/scoped_ptr.h"
  13 #include "base/values.h"
  14 #include "chrome/browser/chromeos/customization_document.h"
  15 #include "chrome/browser/chromeos/login/login_display.h"
  16 #include "ui/gfx/native_widget_types.h"
  17
  18 namespace views {
  19 class Widget;
  20 }  // namespace views
  21
  22 namespace chromeos {
  23
  24 class AppLaunchController;
  25 class AutoEnrollmentController;
  26 class LoginScreenContext;
  27 class WebUILoginView;
  28 class WizardController;
  29
  30 // An interface that defines OOBE/login screen host.
  31 // Host encapsulates WebUI window OOBE/login controllers,
  32 // UI implementation (such as LoginDisplay).
  33 class LoginDisplayHost {
  34  public:
  35   virtual ~LoginDisplayHost() {}
  36
  37   // Creates UI implementation specific login display instance (views/WebUI).
  38   // The caller takes ownership of the returned value.
  39   virtual LoginDisplay* CreateLoginDisplay(
  40       LoginDisplay::Delegate* delegate) = 0;
  41
  42   // Returns corresponding native window.
  43   virtual gfx::NativeWindow GetNativeWindow() const = 0;
  44
  45   // Returns the current login view.
  46   virtual WebUILoginView* GetWebUILoginView() const = 0;
  47
  48   // Called when browsing session starts before creating initial browser.
  49   virtual void BeforeSessionStart() = 0;
  50
  51   // Called when user enters or returns to browsing session so
  52   // LoginDisplayHost instance may delete itself.
  53   virtual void Finalize() = 0;
  54
  55   // Called when a login has completed successfully.
  56   virtual void OnCompleteLogin() = 0;
  57
  58   // Open proxy settings dialog.
  59   virtual void OpenProxySettings() = 0;
  60
  61   // Toggles status area visibility.
  62   virtual void SetStatusAreaVisible(bool visible) = 0;
  63
  64   // Gets the auto-enrollment client.
  65   virtual AutoEnrollmentController* GetAutoEnrollmentController() = 0;
  66
  67   // Starts out-of-box-experience flow or shows other screen handled by
  68   // Wizard controller i.e. camera, recovery.
  69   // One could specify start screen with |first_screen_name|.
  70   // Takes ownership of |screen_parameters|, which can also be NULL.
  71   virtual void StartWizard(
  72       const std::string& first_screen_name,
  73       scoped_ptr<base::DictionaryValue> screen_parameters) = 0;
  74
  75   // Returns current WizardController, if it exists.
  76   // Result should not be stored.
  77   virtual WizardController* GetWizardController() = 0;
  78
  79   // Returns current AppLaunchController, if it exists.
  80   // Result should not be stored.
  81   virtual AppLaunchController* GetAppLaunchController() = 0;
  82
  83   // Starts screen for adding user into session.
  84   // |completion_callback| called before display host shutdown.
  85   // |completion_callback| can be null.
  86   virtual void StartUserAdding(const base::Closure& completion_callback) = 0;
  87
  88   // Starts sign in screen.
  89   virtual void StartSignInScreen(const LoginScreenContext& context) = 0;
  90
  91   // Resumes a previously started sign in screen.
  92   virtual void ResumeSignInScreen() = 0;
  93
  94   // Invoked when system preferences that affect the signin screen have changed.
  95   virtual void OnPreferencesChanged() = 0;
  96
  97   // Initiates authentication network prewarming.
  98   virtual void PrewarmAuthentication() = 0;
  99
 100   // Starts app launch splash screen.
 101   virtual void StartAppLaunch(const std::string& app_id,
 102                               bool diagnostic_mode) = 0;
 103
 104   // Starts the demo app launch.
 105   virtual void StartDemoAppLaunch() = 0;
 106 };
 107
 108 }  // namespace chromeos
 109
 110 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_LOGIN_DISPLAY_HOST_H_