cros: Selectively fork login assets.

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

Index: chrome/browser/resources/chromeos/login/md_login_shared.js
diff --git a/chrome/browser/resources/chromeos/login/md_login_shared.js b/chrome/browser/resources/chromeos/login/md_login_shared.js
new file mode 100644
index 0000000000000000000000000000000000000000..fb5b319711b8d3e53b947478111be0e9641543d1
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+++ b/chrome/browser/resources/chromeos/login/md_login_shared.js
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+// Copyright 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+/**
+ * @fileoverview Common OOBE controller methods. This method is shared between
+ * OOBE, login, and the lock screen. Add only methods that need to be shared
+ * between all *three* screens here, as each additional method increases the
+ * time it takes to show the lock screen.
+ *
+ * If a method needs to be shared between the oobe and login screens, add it to
+ * login_non_lock_shared.js.
+ */
+
+// <include src="test_util.js">
+// <include src="../../../../../ui/login/screen.js">
+// <include src="screen_context.js">
+// <include src="../user_images_grid.js">
+// <include src="apps_menu.js">
+// <include src="../../../../../ui/login/bubble.js">
+// <include src="../../../../../ui/login/display_manager.js">
+// <include src="header_bar.js">
+
+// <include src="../../../../../ui/login/account_picker/md_screen_account_picker.js">
+
+// <include src="../../../../../ui/login/login_ui_tools.js">
+// <include src="../../../../../ui/login/account_picker/md_user_pod_row.js">
+// <include src="../../../../../ui/login/resource_loader.js">
+
+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() {
+  }
+
+  /**
+   * Delay in milliseconds between start of OOBE animation and start of
+   * header bar animation.
+   */
+  var HEADER_BAR_DELAY_MS = 300;
+
+  cr.addSingletonGetter(Oobe);
+
+  Oobe.prototype = {
+    __proto__: DisplayManager.prototype,
+  };
+
+  /**
+   * 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);
+  };
+
+  /**
+   * Updates missin API keys message visibility.
+   * @param {boolean} show True if the message should be visible.
+   */
+  Oobe.showAPIKeysNotice = function(show) {
+    $('api-keys-notice-container').hidden = !show;
+  };
+
+  /**
+   * Updates version label visibility.
+   * @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.add('oobe-display');
+
+      // Callback to animate the header bar in.
+      var showHeaderBar = function() {
+        login.HeaderBar.animateIn(false, function() {
+          chrome.send('headerBarVisible');
+        });
+      };
+      // Start asynchronously so the OOBE network screen comes in first.
+      window.setTimeout(showHeaderBar, HEADER_BAR_DELAY_MS);
+    } else {
+      document.body.classList.remove('oobe-display');
+      Oobe.getInstance().prepareForLoginDisplay_();
+      // Ensure header bar is visible when switching to Login UI from oobe.
+      if (Oobe.getInstance().displayType == DISPLAY_TYPE.OOBE)
+        login.HeaderBar.animateIn(true);
+    }
+
+    Oobe.getInstance().headerHidden = false;
+  };
+
+  /**
+   * When |showShutdown| is set to "true", the shutdown button is shown and the
+   * reboot button hidden. If set to "false", the reboot button is visible and
+   * the shutdown button hidden.
+   */
+  Oobe.showShutdown = function(showShutdown) {
+    $('login-header-bar').showShutdownButton = showShutdown;
+    $('login-header-bar').showRebootButton = !showShutdown;
+  };
+
+  /**
+   * Enables keyboard driven flow.
+   */
+  Oobe.enableKeyboardFlow = function(value) {
+    // Don't show header bar for OOBE.
+    Oobe.getInstance().forceKeyboardFlow = value;
+  };
+
+  /**
+   * 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, email) {
+    DisplayManager.showPasswordChangedScreen(showError, email);
+  };
+
+  /**
+   * Shows dialog to create a supervised user.
+   */
+  Oobe.showSupervisedUserCreationScreen = function() {
+    DisplayManager.showSupervisedUserCreationScreen();
+  };
+
+  /**
+   * Shows TPM error screen.
+   */
+  Oobe.showTpmError = function() {
+    DisplayManager.showTpmError();
+  };
+
+  /**
+   * Shows Active Directory password change screen.
+   * @param {string} username Name of the user that should change the password.
+   */
+  Oobe.showActiveDirectoryPasswordChangeScreen = function(username) {
+    DisplayManager.showActiveDirectoryPasswordChangeScreen(username);
+  };
+
+  /**
+   * Show user-pods.
+   */
+  Oobe.showUserPods = function() {
+    $('pod-row').loadLastWallpaper();
+    Oobe.showScreen({id: SCREEN_ACCOUNT_PICKER});
+    Oobe.resetSigninUI(true);
+  };
+
+  /**
+   * Clears error bubble as well as optional menus that could be open.
+   */
+  Oobe.clearErrors = function() {
+    var accessibilityMenu = $('accessibility-menu');
+    if (accessibilityMenu)
+      accessibilityMenu.hide();
+    DisplayManager.clearErrors();
+  };
+
+  /**
+   * Displays animations on successful authentication, that have to happen
+   * before login UI is dismissed.
+   */
+  Oobe.animateAuthenticationSuccess = function() {
+    login.HeaderBar.animateOut(function() {
+      chrome.send('unlockOnLoginSuccess');
+    });
+  };
+
+  /**
+   * Displays animations that have to happen once login UI is fully displayed.
+   */
+  Oobe.animateOnceFullyDisplayed = function() {
+    login.HeaderBar.animateIn(true, function() {
+      chrome.send('headerBarVisible');
+    });
+  };
+
+  /**
+   * 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, assetId) {
+    DisplayManager.setEnterpriseInfo(messageText, assetId);
+  };
+
+  /**
+   * Updates the device requisition string shown in the requisition prompt.
+   * @param {string} requisition The device requisition.
+   */
+  Oobe.updateDeviceRequisition = function(requisition) {
+    Oobe.getInstance().updateDeviceRequisition(requisition);
+  };
+
+  /**
+   * Enforces focus on user pod of locked user.
+   */
+  Oobe.forceLockedUserPodFocus = function() {
+    login.AccountPickerScreen.forceLockedUserPodFocus();
+  };
+
+  /**
+   * Clears password field in user-pod.
+   */
+  Oobe.clearUserPodPassword = function() {
+    DisplayManager.clearUserPodPassword();
+  };
+
+  /**
+   * Restores input focus to currently selected pod.
+   */
+  Oobe.refocusCurrentPod = function() {
+    DisplayManager.refocusCurrentPod();
+  };
+
+  /**
+   * Some ForTesting APIs directly access to DOM. Because this script is loaded
+   * in header, DOM tree may not be available at beginning.
+   * In DOMContentLoaded, after Oobe.initialize() is done, this is marked to
+   * true, indicating ForTesting methods can be called.
+   * External script using ForTesting APIs should wait for this condition.
+   * @type {boolean}
+   */
+  Oobe.readyForTesting = false;
+
+  /**
+   * Skip to login screen for telemetry.
+   */
+  Oobe.skipToLoginForTesting = function() {
+    Oobe.disableSigninUI();
+    chrome.send('skipToLoginForTesting');
+  };
+
+  /**
+   * Login for telemetry.
+   * @param {string} username Login username.
+   * @param {string} password Login password.
+   * @param {boolean} enterpriseEnroll Login as an enterprise enrollment?
+   */
+  Oobe.loginForTesting = function(username, password, gaia_id,
+                                  enterpriseEnroll = false) {
+    // Helper method that runs |fn| after |screenName| is visible.
+    function waitForOobeScreen(screenName, fn) {
+      if (Oobe.getInstance().currentScreen &&
+          Oobe.getInstance().currentScreen.id === screenName) {
+        fn();
+      } else {
+        $('oobe').addEventListener('screenchanged', function handler(e) {
+          if (e.detail == screenName) {
+            $('oobe').removeEventListener('screenchanged', handler);
+            fn();
+          }
+        });
+      }
+    }
+
+    Oobe.disableSigninUI();
+    chrome.send('skipToLoginForTesting', [username]);
+
+    if (!enterpriseEnroll) {
+      chrome.send('completeLogin', [gaia_id, username, password, false]);
+    } else {
+      waitForOobeScreen('gaia-signin', function() {
+        chrome.send('toggleEnrollmentScreen');
+        chrome.send('toggleFakeEnrollment');
+      });
+
+      waitForOobeScreen('oauth-enrollment', function() {
+        chrome.send('oauthEnrollCompleteLogin', [username, 'authcode']);
+        chrome.send('completeLogin', [gaia_id, username, password, false]);
+      });
+    }
+  };
+
+  /**
+   * Guest login for telemetry.
+   */
+  Oobe.guestLoginForTesting = function() {
+    Oobe.skipToLoginForTesting();
+    chrome.send('launchIncognito');
+  };
+
+  /**
+   * Authenticate for telemetry - used for screenlocker.
+   * @param {string} username Login username.
+   * @param {string} password Login password.
+   */
+  Oobe.authenticateForTesting = function(username, password) {
+    Oobe.disableSigninUI();
+    chrome.send('authenticateUser', [username, password, false]);
+  };
+
+  /**
+   * Gaia login screen for telemetry.
+   */
+  Oobe.addUserForTesting = function() {
+    Oobe.skipToLoginForTesting();
+    chrome.send('addUser');
+  };
+
+  /**
+   * Shows the add user dialog. Used in browser tests.
+   */
+  Oobe.showAddUserForTesting = function() {
+    chrome.send('showAddUser');
+  };
+
+  /**
+   * Hotrod requisition for telemetry.
+   */
+  Oobe.remoraRequisitionForTesting = function() {
+    chrome.send('setDeviceRequisition', ['remora']);
+  };
+
+  /**
+   * Begin enterprise enrollment for telemetry.
+   */
+  Oobe.switchToEnterpriseEnrollmentForTesting = function() {
+    chrome.send('toggleEnrollmentScreen');
+  };
+
+  /**
+   * Finish enterprise enrollment for telemetry.
+   */
+  Oobe.enterpriseEnrollmentDone = function() {
+    chrome.send('oauthEnrollClose', ['done']);
+  };
+
+  /**
+   * Returns true if enrollment was successful. Dismisses the enrollment
+   * attribute screen if it's present.
+   */
+  Oobe.isEnrollmentSuccessfulForTest = function() {
+    if (document.querySelector('.oauth-enroll-state-attribute-prompt'))
+      chrome.send('oauthEnrollAttributes', ['', '']);
+
+    return $('oauth-enrollment').classList.contains(
+      'oauth-enroll-state-success');
+  };
+
+  /**
+   * Shows/hides login UI control bar with buttons like [Shut down].
+   */
+  Oobe.showControlBar = function(show) {
+    Oobe.getInstance().headerHidden = !show;
+  };
+
+  /**
+   * Changes some UI which depends on the virtual keyboard being shown/hidden.
+   */
+  Oobe.setVirtualKeyboardShown = function(shown) {
+    Oobe.getInstance().virtualKeyboardShown = shown;
+    $('pod-row').setFocusedPodPinVisibility(!shown);
+  };
+
+  /**
+   * Sets the current size of the client area (display size).
+   * @param {number} width client area width
+   * @param {number} height client area height
+   */
+  Oobe.setClientAreaSize = function(width, height) {
+    Oobe.getInstance().setClientAreaSize(width, height);
+  };
+
+  // Export
+  return {
+    Oobe: Oobe
+  };
+});
+
+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);
+});
+
+
+(function() {
+  'use strict';
+
+  document.addEventListener('DOMContentLoaded', function() {
+    try {
+      Oobe.initialize();
+    } finally {
+      // TODO(crbug.com/712078): Do not set readyForTesting in case of that
+      // initialize() is failed. Currently, in some situation, initialize()
+      // raises an exception unexpectedly. It means testing APIs should not
+      // be called then. However, checking it here now causes bots failures
+      // unfortunately. So, as a short term workaround, here set
+      // readyForTesting even on failures, just to make test bots happy.
+      Oobe.readyForTesting = true;
+    }
+  });
+
+  // Install a global error handler so stack traces are included in logs.
+  window.onerror = function(message, file, line, column, error) {
+    console.error(error.stack);
+  }
+})();