Extract common OOBE controller code from oobe.js/login.js.

chrome/browser/resources/chromeos/login/login.js

Index: chrome/browser/resources/chromeos/login/login.js
diff --git a/chrome/browser/resources/chromeos/login/login.js b/chrome/browser/resources/chromeos/login/login.js
index 8afdf896bcbc5fc8dc39f1ebf5fc1ca436453d11..2b7e4b8b7af7f95892b23027838d7a030d1f311b 100644
--- a/chrome/browser/resources/chromeos/login/login.js
+++ b/chrome/browser/resources/chromeos/login/login.js
@@ -4,303 +4,54 @@
 
 /**
  * @fileoverview Login UI based on a stripped down OOBE controller.
- * TODO(xiyuan): Refactoring this to get a better structure.
  */
 
-<include src="../user_images_grid.js"></include>
-<include src="apps_menu.js"></include>
-<include src="bubble.js"></include>
-<include src="display_manager.js"></include>
-<include src="header_bar.js"></include>
-<include src="network_dropdown.js"></include>
-<include src="oobe_screen_oauth_enrollment.js"></include>
-<include src="oobe_screen_user_image.js"></include>
-<include src="oobe_screen_reset.js"></include>
-<include src="screen_wrong_hwid.js"></include>
-<include src="screen_account_picker.js"></include>
-<include src="screen_gaia_signin.js"></include>
-<include src="screen_error_message.js"></include>
-<include src="screen_tpm_error.js"></include>
-<include src="screen_password_changed.js"></include>
-<include src="screen_locally_managed_user_creation.js"></include>
-<include src="oobe_screen_terms_of_service.js"></include>
-<include src="user_pod_row.js"></include>
+<include src="login_common.js"></include>
 
-cr.define('cr.ui', function() {
-  var DisplayManager = cr.ui.login.DisplayManager;
-
-  /**
-  * Constructs an Out of box controller. It manages initialization of screens,
-  * transitions, error messages display.
-  * @extends {DisplayManager}
-  * @constructor
-  */
-  function Oobe() {
-  }
-
-  cr.addSingletonGetter(Oobe);
-
-  Oobe.prototype = {
-    __proto__: DisplayManager.prototype,
-  };
-
-  /**
-   * Initializes the OOBE flow.  This will cause all C++ handlers to
-   * be invoked to do final setup.
-   */
-  Oobe.initialize = function() {
-    DisplayManager.initialize();
-    oobe.WrongHWIDScreen.register();
-    login.AccountPickerScreen.register();
-    login.GaiaSigninScreen.register();
-    oobe.OAuthEnrollmentScreen.register();
-    oobe.UserImageScreen.register(/* lazyInit= */ true);
-    oobe.ResetScreen.register();
-    login.ErrorMessageScreen.register();
-    login.TPMErrorMessageScreen.register();
-    login.PasswordChangedScreen.register();
-    login.LocallyManagedUserCreationScreen.register();
-    oobe.TermsOfServiceScreen.register();
-
-    cr.ui.Bubble.decorate($('bubble'));
-    login.HeaderBar.decorate($('login-header-bar'));
-
-    chrome.send('screenStateInitialize');
-  };
-
-  /**
-   * Handle accelerators. These are passed from native code instead of a JS
-   * event handler in order to make sure that embedded iframes cannot swallow
-   * them.
-   * @param {string} name Accelerator name.
-   */
-  Oobe.handleAccelerator = function(name) {
-    Oobe.getInstance().handleAccelerator(name);
-  };
-
-  /**
-   * Shows the given screen.
-   * @param {Object} screen Screen params dict, e.g. {id: screenId, data: data}
-   */
-  Oobe.showScreen = function(screen) {
-    Oobe.getInstance().showScreen(screen);
-  };
-
-  /**
-   * Shows the previous screen of workflow.
-   */
-  Oobe.goBack = function() {
-    Oobe.getInstance().goBack();
-  };
-
-  /**
-   * Dummy Oobe functions not present with stripped login UI.
-   */
-  Oobe.initializeA11yMenu = function(e) {};
-  Oobe.handleAccessbilityLinkClick = function(e) {};
-  Oobe.handleSpokenFeedbackClick = function(e) {};
-  Oobe.handleHighContrastClick = function(e) {};
-  Oobe.handleScreenMagnifierClick = function(e) {};
-  Oobe.enableContinueButton = function(enable) {};
-  Oobe.setUsageStats = function(checked) {};
-  Oobe.setOemEulaUrl = function(oemEulaUrl) {};
-  Oobe.setUpdateProgress = function(progress) {};
-  Oobe.showUpdateEstimatedTimeLeft = function(enable) {};
-  Oobe.setUpdateEstimatedTimeLeft = function(seconds) {};
-  Oobe.setUpdateMessage = function(message) {};
-  Oobe.showUpdateCurtain = function(enable) {};
-  Oobe.setTpmPassword = function(password) {};
-  Oobe.refreshA11yInfo = function(data) {};
-  Oobe.reloadContent = function(data) {};
-
-  /**
-   * Updates version label visibilty.
-   * @param {boolean} show True if version label should be visible.
-   */
-  Oobe.showVersion = function(show) {
-    Oobe.getInstance().showVersion(show);
-  };
-
-  /**
-   * Update body class to switch between OOBE UI and Login UI.
-   */
-  Oobe.showOobeUI = function(showOobe) {
-    if (showOobe) {
-      document.body.classList.remove('login-display');
-    } else {
-      document.body.classList.add('login-display');
-      Oobe.getInstance().prepareForLoginDisplay_();
-    }
-
-    // Don't show header bar for OOBE.
-    Oobe.getInstance().headerHidden = showOobe;
-  };
-
-  /**
-   * Disables signin UI.
-   */
-  Oobe.disableSigninUI = function() {
-    DisplayManager.disableSigninUI();
-  };
-
-  /**
-   * Shows signin UI.
-   * @param {string} opt_email An optional email for signin UI.
-   */
-  Oobe.showSigninUI = function(opt_email) {
-    DisplayManager.showSigninUI(opt_email);
-  };
-
-  /**
-   * Resets sign-in input fields.
-   * @param {boolean} forceOnline Whether online sign-in should be forced.
-   * If |forceOnline| is false previously used sign-in type will be used.
-   */
-  Oobe.resetSigninUI = function(forceOnline) {
-    DisplayManager.resetSigninUI(forceOnline);
-  };
-
-  /**
-   * Shows sign-in error bubble.
-   * @param {number} loginAttempts Number of login attemps tried.
-   * @param {string} message Error message to show.
-   * @param {string} link Text to use for help link.
-   * @param {number} helpId Help topic Id associated with help link.
-   */
-  Oobe.showSignInError = function(loginAttempts, message, link, helpId) {
-    DisplayManager.showSignInError(loginAttempts, message, link, helpId);
-  };
-
-  /**
-   * Shows password changed screen that offers migration.
-   * @param {boolean} showError Whether to show the incorrect password error.
-   */
-  Oobe.showPasswordChangedScreen = function(showError) {
-    DisplayManager.showPasswordChangedScreen(showError);
-  };
-
-  /**
-   * Shows dialog to create managed user.
-   */
-  Oobe.showManagedUserCreationScreen = function() {
-    DisplayManager.showManagedUserCreationScreen();
-  };
-
-  /**
-   * Shows TPM error screen.
-   */
-  Oobe.showTpmError = function() {
-    DisplayManager.showTpmError();
-  };
-
-  /**
-   * Clears error bubble.
-   */
-  Oobe.clearErrors = function() {
-    DisplayManager.clearErrors();
-  };
-
-  /**
-   * Displays animations on successful authentication, that have to happen
-   * before login UI is dismissed.
-   */
-  Oobe.animateAuthenticationSuccess = function() {
-    $('login-header-bar').animateOut(function() {
-      chrome.send('unlockOnLoginSuccess');
-    });
-  };
-
-  /**
-   * Displays animations that have to happen once login UI is fully displayed.
-   */
-  Oobe.animateOnceFullyDisplayed = function() {
-    $('login-header-bar').animateIn();
-  };
-
-  /**
-   * Handles login success notification.
-   */
-  Oobe.onLoginSuccess = function(username) {
-    if (Oobe.getInstance().currentScreen.id == SCREEN_ACCOUNT_PICKER) {
-      // TODO(nkostylev): Enable animation back when session start jank
-      // is reduced. See http://crosbug.com/11116 http://crosbug.com/18307
-      // $('pod-row').startAuthenticatedAnimation();
-    }
-  };
-
-  /**
-   * Sets text content for a div with |labelId|.
-   * @param {string} labelId Id of the label div.
-   * @param {string} labelText Text for the label.
-   */
-  Oobe.setLabelText = function(labelId, labelText) {
-    DisplayManager.setLabelText(labelId, labelText);
-  };
-
-  /**
-   * Sets the text content of the enterprise info message.
-   * If the text is empty, the entire notification will be hidden.
-   * @param {string} messageText The message text.
-   */
-  Oobe.setEnterpriseInfo = function(messageText) {
-    DisplayManager.setEnterpriseInfo(messageText);
-  };
-
-  /**
-   * Enforces focus on user pod of locked user.
-   */
-  Oobe.forceLockedUserPodFocus = function() {
-    login.AccountPickerScreen.forceLockedUserPodFocus();
-  };
-
-  /**
-   * Sets the domain name whose Terms of Service are being shown on the Terms of
-   * Service screen.
-   * @param {string} domain The domain name.
-   */
-  Oobe.setTermsOfServiceDomain = function(domain) {
-    oobe.TermsOfServiceScreen.setDomain(domain);
-  };
-
-  /**
-   * Displays an error message on the Terms of Service screen. Called when the
-   * download of the Terms of Service has failed.
-   */
-  Oobe.setTermsOfServiceLoadError = function() {
-    $('terms-of-service').classList.remove('tos-loading');
-    $('terms-of-service').classList.add('error');
-  };
-
-  /**
-   * Displays the given |termsOfService| on the Terms of Service screen.
-   * @param {string} termsOfService The terms of service, as plain text.
-   */
-  Oobe.setTermsOfService = function(termsOfService) {
-    oobe.TermsOfServiceScreen.setTermsOfService(termsOfService);
-  };
-
-  /**
-   * Clears password field in user-pod.
-   */
-  Oobe.clearUserPodPassword = function() {
-    DisplayManager.clearUserPodPassword();
-  };
-
-  // Export
+cr.define('cr.ui.Oobe', function() {
   return {
-    Oobe: Oobe
+    /**
+     * Initializes the OOBE flow.  This will cause all C++ handlers to
+     * be invoked to do final setup.
+     */
+    initialize: function() {
+      cr.ui.login.DisplayManager.initialize();
+      oobe.WrongHWIDScreen.register();
+      login.AccountPickerScreen.register();
+      login.GaiaSigninScreen.register();
+      oobe.OAuthEnrollmentScreen.register();
+      oobe.UserImageScreen.register(/* lazyInit= */ true);
+      oobe.ResetScreen.register();
+      login.ErrorMessageScreen.register();
+      login.TPMErrorMessageScreen.register();
+      login.PasswordChangedScreen.register();
+      login.LocallyManagedUserCreationScreen.register();
+      oobe.TermsOfServiceScreen.register();
+
+      cr.ui.Bubble.decorate($('bubble'));
+      login.HeaderBar.decorate($('login-header-bar'));
+
+      chrome.send('screenStateInitialize');
+    },
+
+    // Dummy Oobe functions not present with stripped login UI.
+    initializeA11yMenu: function(e) {},
+    handleAccessbilityLinkClick: function(e) {},
+    handleSpokenFeedbackClick: function(e) {},
+    handleHighContrastClick: function(e) {},
+    handleScreenMagnifierClick: function(e) {},
+    enableContinueButton: function(enable) {},
+    setUsageStats: function(checked) {},
+    setOemEulaUrl: function(oemEulaUrl) {},
+    setUpdateProgress: function(progress) {},
+    showUpdateEstimatedTimeLeft: function(enable) {},
+    setUpdateEstimatedTimeLeft: function(seconds) {},
+    setUpdateMessage: function(message) {},
+    showUpdateCurtain: function(enable) {},
+    setTpmPassword: function(password) {},
+    refreshA11yInfo: function(data) {},
+    reloadContent: function(data) {},
   };
 });
 
-var Oobe = cr.ui.Oobe;
-
-// Allow selection events on components with editable text (password field)
-// bug (http://code.google.com/p/chromium/issues/detail?id=125863)
-disableTextSelectAndDrag(function(e) {
-  var src = e.target;
-  return src instanceof HTMLTextAreaElement ||
-         src instanceof HTMLInputElement &&
-         /text|password|search/.test(src.type);
-});
-
 document.addEventListener('DOMContentLoaded', cr.ui.Oobe.initialize);