1 // Copyright 2014 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_UI_LOGIN_DISPLAY_H_ 6 #define CHROME_BROWSER_CHROMEOS_LOGIN_UI_LOGIN_DISPLAY_H_ 7 8 #include <string> 9 #include <vector> 10 11 #include "base/callback.h" 12 #include "base/strings/string16.h" 13 #include "chrome/browser/chromeos/login/help_app_launcher.h" 14 #include "chrome/browser/chromeos/login/users/remove_user_delegate.h" 15 #include "chrome/browser/chromeos/login/users/user.h" 16 #include "chrome/browser/chromeos/login/users/user_manager.h" 17 #include "ui/gfx/image/image.h" 18 #include "ui/gfx/native_widget_types.h" 19 #include "ui/gfx/rect.h" 20 21 namespace chromeos { 22 23 class UserContext; 24 25 // TODO(nkostylev): Extract interface, create a BaseLoginDisplay class. 26 // An abstract class that defines login UI implementation. 27 class LoginDisplay : public RemoveUserDelegate { 28 public: 29 // Sign in error IDs that require detailed error screen and not just 30 // a simple error bubble. 31 enum SigninError { 32 // Shown in case of critical TPM error. 33 TPM_ERROR, 34 }; 35 36 class Delegate { 37 public: 38 // Cancels current password changed flow. 39 virtual void CancelPasswordChangedFlow() = 0; 40 41 // Create new Google account. 42 virtual void CreateAccount() = 0; 43 44 // Complete sign process with specified |user_context|. 45 // Used for new users authenticated through an extension. 46 virtual void CompleteLogin(const UserContext& user_context) = 0; 47 48 // Returns name of the currently connected network. 49 virtual base::string16 GetConnectedNetworkName() = 0; 50 51 // Returns true if sign in is in progress. 52 virtual bool IsSigninInProgress() const = 0; 53 54 // Sign in using |username| and |password| specified. 55 // Used for known users only. 56 virtual void Login(const UserContext& user_context) = 0; 57 58 // Sign in as a retail mode user. 59 virtual void LoginAsRetailModeUser() = 0; 60 61 // Sign in into guest session. 62 virtual void LoginAsGuest() = 0; 63 64 // Decrypt cryptohome using user provided |old_password| 65 // and migrate to new password. 66 virtual void MigrateUserData(const std::string& old_password) = 0; 67 68 // Sign in into the public account identified by |username|. 69 virtual void LoginAsPublicAccount(const std::string& username) = 0; 70 71 // Login to kiosk mode for app with |app_id|. 72 virtual void LoginAsKioskApp(const std::string& app_id, 73 bool diagnostic_mode) = 0; 74 75 // Notify the delegate when the sign-in UI is finished loading. 76 virtual void OnSigninScreenReady() = 0; 77 78 // Called when existing user pod is selected in the UI. 79 virtual void OnUserSelected(const std::string& username) = 0; 80 81 // Called when the user requests enterprise enrollment. 82 virtual void OnStartEnterpriseEnrollment() = 0; 83 84 // Called when the user requests kiosk enable screen. 85 virtual void OnStartKioskEnableScreen() = 0; 86 87 // Called when the owner permission for kiosk app auto launch is requested. 88 virtual void OnStartKioskAutolaunchScreen() = 0; 89 90 // Shows wrong HWID screen. 91 virtual void ShowWrongHWIDScreen() = 0; 92 93 // Restarts the public-session auto-login timer if it is running. 94 virtual void ResetPublicSessionAutoLoginTimer() = 0; 95 96 // Ignore password change, remove existing cryptohome and 97 // force full sync of user data. 98 virtual void ResyncUserData() = 0; 99 100 // Sets the displayed email for the next login attempt with |CompleteLogin|. 101 // If it succeeds, user's displayed email value will be updated to |email|. 102 virtual void SetDisplayEmail(const std::string& email) = 0; 103 104 // Sign out the currently signed in user. 105 // Used when the lock screen is being displayed. 106 virtual void Signout() = 0; 107 108 protected: 109 virtual ~Delegate(); 110 }; 111 112 // |background_bounds| determines the bounds of login UI background. 113 LoginDisplay(Delegate* delegate, const gfx::Rect& background_bounds); 114 virtual ~LoginDisplay(); 115 116 // Clears and enables fields on user pod or GAIA frame. 117 virtual void ClearAndEnablePassword() = 0; 118 119 // Initializes login UI with the user pods based on list of known users and 120 // guest, new user pods if those are enabled. 121 virtual void Init(const UserList& users, 122 bool show_guest, 123 bool show_users, 124 bool show_new_user) = 0; 125 126 // Notifies the login UI that the preferences defining how to visualize it to 127 // the user have changed and it needs to refresh. 128 virtual void OnPreferencesChanged() = 0; 129 130 // Called when user image has been changed. 131 // |user| contains updated user. 132 virtual void OnUserImageChanged(const User& user) = 0; 133 134 // Changes enabled state of the UI. 135 virtual void SetUIEnabled(bool is_enabled) = 0; 136 137 // Displays simple error bubble with |error_msg_id| specified. 138 // |login_attempts| shows number of login attempts made by current user. 139 // |help_topic_id| is additional help topic that is presented as link. 140 virtual void ShowError(int error_msg_id, 141 int login_attempts, 142 HelpAppLauncher::HelpTopic help_topic_id) = 0; 143 144 // Displays detailed error screen for error with ID |error_id|. 145 virtual void ShowErrorScreen(LoginDisplay::SigninError error_id) = 0; 146 147 // Proceed with Gaia flow because password has changed. 148 virtual void ShowGaiaPasswordChanged(const std::string& username) = 0; 149 150 // Show password changed dialog. If |show_password_error| is not null 151 // user already tried to enter old password but it turned out to be incorrect. 152 virtual void ShowPasswordChangedDialog(bool show_password_error) = 0; 153 154 // Shows signin UI with specified email. 155 virtual void ShowSigninUI(const std::string& email) = 0; 156 background_bounds()157 gfx::Rect background_bounds() const { return background_bounds_; } set_background_bounds(const gfx::Rect & background_bounds)158 void set_background_bounds(const gfx::Rect& background_bounds) { 159 background_bounds_ = background_bounds; 160 } 161 delegate()162 Delegate* delegate() { return delegate_; } set_delegate(Delegate * delegate)163 void set_delegate(Delegate* delegate) { delegate_ = delegate; } 164 parent_window()165 gfx::NativeWindow parent_window() const { return parent_window_; } set_parent_window(gfx::NativeWindow window)166 void set_parent_window(gfx::NativeWindow window) { parent_window_ = window; } 167 is_signin_completed()168 bool is_signin_completed() const { return is_signin_completed_; } set_signin_completed(bool value)169 void set_signin_completed(bool value) { is_signin_completed_ = value; } 170 width()171 int width() const { return background_bounds_.width(); } 172 173 protected: 174 // Login UI delegate (controller). 175 Delegate* delegate_; 176 177 // Parent window, might be used to create dialog windows. 178 gfx::NativeWindow parent_window_; 179 180 // Bounds of the login UI background. 181 gfx::Rect background_bounds_; 182 183 // True if signin for user has completed. 184 // TODO(nkostylev): Find a better place to store this state 185 // in redesigned login stack. 186 // Login stack (and this object) will be recreated for next user sign in. 187 bool is_signin_completed_; 188 189 DISALLOW_COPY_AND_ASSIGN(LoginDisplay); 190 }; 191 192 } // namespace chromeos 193 194 #endif // CHROME_BROWSER_CHROMEOS_LOGIN_UI_LOGIN_DISPLAY_H_ 195