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_H_ 6 #define CHROME_BROWSER_CHROMEOS_LOGIN_LOGIN_DISPLAY_H_ 7 8 #include <string> 9 #include <vector> 10 11 #include "base/strings/string16.h" 12 #include "chrome/browser/chromeos/login/help_app_launcher.h" 13 #include "chrome/browser/chromeos/login/remove_user_delegate.h" 14 #include "chrome/browser/chromeos/login/user.h" 15 #include "chrome/browser/chromeos/login/user_manager.h" 16 #include "ui/gfx/native_widget_types.h" 17 #include "ui/gfx/rect.h" 18 19 namespace chromeos { 20 21 // TODO(nkostylev): Extract interface, create a BaseLoginDisplay class. 22 // An abstract class that defines login UI implementation. 23 class LoginDisplay : public RemoveUserDelegate { 24 public: 25 // Sign in error IDs that require detailed error screen and not just 26 // a simple error bubble. 27 enum SigninError { 28 // Shown in case of critical TPM error. 29 TPM_ERROR, 30 }; 31 32 class Delegate { 33 public: 34 // Cancels current password changed flow. 35 virtual void CancelPasswordChangedFlow() = 0; 36 37 // Create new Google account. 38 virtual void CreateAccount() = 0; 39 40 // Complete sign process with specified |user_context|. 41 // Used for new users authenticated through an extension. 42 virtual void CompleteLogin(const UserContext& user_context) = 0; 43 44 // Returns name of the currently connected network. 45 virtual string16 GetConnectedNetworkName() = 0; 46 47 // Returns true if sign in is in progress. 48 virtual bool IsSigninInProgress() const = 0; 49 50 // Sign in using |username| and |password| specified. 51 // Used for known users only. 52 virtual void Login(const UserContext& user_context) = 0; 53 54 // Sign in as a retail mode user. 55 virtual void LoginAsRetailModeUser() = 0; 56 57 // Sign in into guest session. 58 virtual void LoginAsGuest() = 0; 59 60 // Decrypt cryptohome using user provided |old_password| 61 // and migrate to new password. 62 virtual void MigrateUserData(const std::string& old_password) = 0; 63 64 // Sign in into the public account identified by |username|. 65 virtual void LoginAsPublicAccount(const std::string& username) = 0; 66 67 // Notify the delegate when the sign-in UI is finished loading. 68 virtual void OnSigninScreenReady() = 0; 69 70 // Called when existing user pod is selected in the UI. 71 virtual void OnUserSelected(const std::string& username) = 0; 72 73 // Called when the user requests enterprise enrollment. 74 virtual void OnStartEnterpriseEnrollment() = 0; 75 76 // Called when the user requests kiosk enable screen. 77 virtual void OnStartKioskEnableScreen() = 0; 78 79 // Called when the user requests device reset. 80 virtual void OnStartDeviceReset() = 0; 81 82 // Called when the owner permission for kiosk app auto launch is requested. 83 virtual void OnStartKioskAutolaunchScreen() = 0; 84 85 // Shows wrong HWID screen. 86 virtual void ShowWrongHWIDScreen() = 0; 87 88 // Restarts the public-session auto-login timer if it is running. 89 virtual void ResetPublicSessionAutoLoginTimer() = 0; 90 91 // Ignore password change, remove existing cryptohome and 92 // force full sync of user data. 93 virtual void ResyncUserData() = 0; 94 95 // Sets the displayed email for the next login attempt with |CompleteLogin|. 96 // If it succeeds, user's displayed email value will be updated to |email|. 97 virtual void SetDisplayEmail(const std::string& email) = 0; 98 99 // Sign out the currently signed in user. 100 // Used when the lock screen is being displayed. 101 virtual void Signout() = 0; 102 103 protected: 104 virtual ~Delegate(); 105 }; 106 107 // |background_bounds| determines the bounds of login UI background. 108 LoginDisplay(Delegate* delegate, const gfx::Rect& background_bounds); 109 virtual ~LoginDisplay(); 110 111 // Clears and enables fields on user pod or GAIA frame. 112 virtual void ClearAndEnablePassword() = 0; 113 114 // Initializes login UI with the user pods based on list of known users and 115 // guest, new user pods if those are enabled. 116 virtual void Init(const UserList& users, 117 bool show_guest, 118 bool show_users, 119 bool show_new_user) = 0; 120 121 // Notifies the login UI that the preferences defining how to visualize it to 122 // the user have changed and it needs to refresh. 123 virtual void OnPreferencesChanged() = 0; 124 125 // Called when user image has been changed. 126 // |user| contains updated user. 127 virtual void OnUserImageChanged(const User& user) = 0; 128 129 // After this call login display should be ready to be smoothly destroyed 130 // (e.g. hide throbber, etc.). 131 virtual void OnFadeOut() = 0; 132 133 // Called when user is successfully authenticated. 134 virtual void OnLoginSuccess(const std::string& username) = 0; 135 136 // Changes enabled state of the UI. 137 virtual void SetUIEnabled(bool is_enabled) = 0; 138 139 // Selects user entry with specified |index|. 140 // Does nothing if current user is already selected. 141 virtual void SelectPod(int index) = 0; 142 143 // Displays simple error bubble with |error_msg_id| specified. 144 // |login_attempts| shows number of login attempts made by current user. 145 // |help_topic_id| is additional help topic that is presented as link. 146 virtual void ShowError(int error_msg_id, 147 int login_attempts, 148 HelpAppLauncher::HelpTopic help_topic_id) = 0; 149 150 // Displays detailed error screen for error with ID |error_id|. 151 virtual void ShowErrorScreen(LoginDisplay::SigninError error_id) = 0; 152 153 // Proceed with Gaia flow because password has changed. 154 virtual void ShowGaiaPasswordChanged(const std::string& username) = 0; 155 156 // Show password changed dialog. If |show_password_error| is not null 157 // user already tried to enter old password but it turned out to be incorrect. 158 virtual void ShowPasswordChangedDialog(bool show_password_error) = 0; 159 160 // Shows signin UI with specified email. 161 virtual void ShowSigninUI(const std::string& email) = 0; 162 163 gfx::Rect background_bounds() const { return background_bounds_; } 164 void set_background_bounds(const gfx::Rect background_bounds){ 165 background_bounds_ = background_bounds; 166 } 167 168 Delegate* delegate() { return delegate_; } 169 void set_delegate(Delegate* delegate) { delegate_ = delegate; } 170 171 gfx::NativeWindow parent_window() const { return parent_window_; } 172 void set_parent_window(gfx::NativeWindow window) { parent_window_ = window; } 173 174 bool is_signin_completed() const { return is_signin_completed_; } 175 void set_signin_completed(bool value) { is_signin_completed_ = value; } 176 177 int width() const { return background_bounds_.width(); } 178 179 protected: 180 // Login UI delegate (controller). 181 Delegate* delegate_; 182 183 // Parent window, might be used to create dialog windows. 184 gfx::NativeWindow parent_window_; 185 186 // Bounds of the login UI background. 187 gfx::Rect background_bounds_; 188 189 // True if signin for user has completed. 190 // TODO(nkostylev): Find a better place to store this state 191 // in redesigned login stack. 192 // Login stack (and this object) will be recreated for next user sign in. 193 bool is_signin_completed_; 194 195 DISALLOW_COPY_AND_ASSIGN(LoginDisplay); 196 }; 197 198 } // namespace chromeos 199 200 #endif // CHROME_BROWSER_CHROMEOS_LOGIN_LOGIN_DISPLAY_H_ 201
