chrome/browser/resources/chromeos/login/screen_error_message.js - chromium/src - Git at Google

 // Copyright (c) 2012 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 Offline message screen implementation.
  */

 login.createScreen('ErrorMessageScreen', 'error-message', function() {
   var USER_ACTION_CONFIGURE_CERTS = 'configure-certs';
   var USER_ACTION_DIAGNOSE = 'diagnose';
   var USER_ACTION_LAUNCH_OOBE_GUEST = 'launch-oobe-guest';
   var USER_ACTION_LOCAL_STATE_POWERWASH = 'local-state-error-powerwash';
   var USER_ACTION_REBOOT = 'reboot';
   var USER_ACTION_SHOW_CAPTIVE_PORTAL = 'show-captive-portal';
   var USER_ACTION_NETWORK_CONNECTED = 'network-connected';

   // Link which starts guest session for captive portal fixing.
   /** @const */ var FIX_CAPTIVE_PORTAL_ID = 'captive-portal-fix-link';

   /** @const */ var FIX_PROXY_SETTINGS_ID = 'proxy-settings-fix-link';

   // Class of the elements which hold current network name.
   /** @const */ var CURRENT_NETWORK_NAME_CLASS = 'portal-network-name';

   // Link which triggers frame reload.
   /** @const */ var RELOAD_PAGE_ID = 'proxy-error-signin-retry-link';

   // Array of the possible UI states of the screen. Must be in the
   // same order as ErrorScreen::UIState enum values.
   /** @const */ var UI_STATES = [
     ERROR_SCREEN_UI_STATE.UNKNOWN,
     ERROR_SCREEN_UI_STATE.UPDATE,
     ERROR_SCREEN_UI_STATE.SIGNIN,
     ERROR_SCREEN_UI_STATE.SUPERVISED_USER_CREATION_FLOW,
     ERROR_SCREEN_UI_STATE.KIOSK_MODE,
     ERROR_SCREEN_UI_STATE.LOCAL_STATE_ERROR,
     ERROR_SCREEN_UI_STATE.AUTO_ENROLLMENT_ERROR,
     ERROR_SCREEN_UI_STATE.ROLLBACK_ERROR,
   ];

   // The help topic linked from the auto enrollment error message.
   /** @const */ var HELP_TOPIC_AUTO_ENROLLMENT = 4632009;

   // Possible error states of the screen.
   /** @const */ var ERROR_STATE = {
     UNKNOWN: 'error-state-unknown',
     PORTAL: 'error-state-portal',
     OFFLINE: 'error-state-offline',
     PROXY: 'error-state-proxy',
     AUTH_EXT_TIMEOUT: 'error-state-auth-ext-timeout',
     KIOSK_ONLINE: 'error-state-kiosk-online'
   };

   // Possible error states of the screen. Must be in the same order as
   // ErrorScreen::ErrorState enum values.
   /** @const */ var ERROR_STATES = [
     ERROR_STATE.UNKNOWN,
     ERROR_STATE.PORTAL,
     ERROR_STATE.OFFLINE,
     ERROR_STATE.PROXY,
     ERROR_STATE.AUTH_EXT_TIMEOUT,
     ERROR_STATE.NONE,
     ERROR_STATE.KIOSK_ONLINE,
   ];

   return {
     EXTERNAL_API: [
       'updateLocalizedContent',
       'onBeforeShow',
       'onBeforeHide',
       'allowGuestSignin',
       'allowOfflineLogin',
       'setUIState',
       'setErrorState',
       'showConnectingIndicator',
       'setErrorStateNetwork',
     ],

     // Error screen initial UI state.
     ui_state_: ERROR_SCREEN_UI_STATE.UNKNOWN,

     // Error screen initial error state.
     error_state_: ERROR_STATE.UNKNOWN,

     /**
      * Whether the screen can be closed.
      * @type {boolean}
      */
     get closable() {
       return Oobe.getInstance().hasUserPods;
     },

     /**
      * Returns default event target element.
      * @type {Object}
      */
     get defaultControl() {
       return $('error-message-md');
     },

     /** @override */
     decorate: function() {
       this.updateLocalizedContent();

       var self = this;
       $('error-message-back-button')
           .addEventListener('click', this.cancel.bind(this));

       $('error-message-md-reboot-button').addEventListener('tap', function(e) {
         self.send(login.Screen.CALLBACK_USER_ACTED, USER_ACTION_REBOOT);
         e.stopPropagation();
       });
       $('error-message-md-diagnose-button')
           .addEventListener('tap', function(e) {
             self.send(login.Screen.CALLBACK_USER_ACTED, USER_ACTION_DIAGNOSE);
             e.stopPropagation();
           });
       $('error-message-md-configure-certs-button')
           .addEventListener('tap', function(e) {
             self.send(
                 login.Screen.CALLBACK_USER_ACTED, USER_ACTION_CONFIGURE_CERTS);
             e.stopPropagation();
           });
       $('error-message-md-continue-button')
           .addEventListener('tap', function(e) {
             chrome.send('continueAppLaunch');
             e.stopPropagation();
           });
       $('error-message-md-ok-button').addEventListener('tap', function(e) {
         chrome.send('login.ResetScreen.userActed', ['cancel-reset']);
         e.stopPropagation();
       });
       $('error-message-md-powerwash-button')
           .addEventListener('tap', function(e) {
             self.send(
                 login.Screen.CALLBACK_USER_ACTED,
                 USER_ACTION_LOCAL_STATE_POWERWASH);
             e.stopPropagation();
           });
       $('offline-network-control')
           .addEventListener('selected-network-connected', function(e) {
             self.send(
                 login.Screen.CALLBACK_USER_ACTED,
                 USER_ACTION_NETWORK_CONNECTED);
           });
     },

     /**
      * Updates localized content of the screen that is not updated via template.
      */
     updateLocalizedContent: function() {
       var self = this;
       $('auto-enrollment-offline-message-text').innerHTML =
           loadTimeData.getStringF(
               'autoEnrollmentOfflineMessageBody',
               loadTimeData.getString('deviceType'),
               '<b class="' + CURRENT_NETWORK_NAME_CLASS + '"></b>',
               '<a id="auto-enrollment-learn-more" class="signin-link" ' +
                   '"href="#">',
               '</a>');
       $('auto-enrollment-learn-more').onclick = function() {
         chrome.send('launchHelpApp', [HELP_TOPIC_AUTO_ENROLLMENT]);
       };

       $('captive-portal-message-text').innerHTML = loadTimeData.getStringF(
           'captivePortalMessage',
           '<b class="' + CURRENT_NETWORK_NAME_CLASS + '"></b>',
           '<a id="' + FIX_CAPTIVE_PORTAL_ID + '" class="signin-link" href="#">',
           '</a>');
       $(FIX_CAPTIVE_PORTAL_ID).onclick = function() {
         self.send(
             login.Screen.CALLBACK_USER_ACTED, USER_ACTION_SHOW_CAPTIVE_PORTAL);
       };

       $('captive-portal-proxy-message-text').innerHTML =
           loadTimeData.getStringF(
               'captivePortalProxyMessage',
               '<a id="' + FIX_PROXY_SETTINGS_ID +
                   '" class="signin-link" href="#">',
               '</a>');
       $(FIX_PROXY_SETTINGS_ID).onclick = function() {
         chrome.send('openInternetDetailDialog');
       };
       $('update-proxy-message-text').innerHTML = loadTimeData.getStringF(
           'updateProxyMessageText',
           '<a id="update-proxy-error-fix-proxy" class="signin-link" href="#">',
           '</a>');
       $('update-proxy-error-fix-proxy').onclick = function() {
         chrome.send('openInternetDetailDialog');
       };
       $('signin-proxy-message-text').innerHTML = loadTimeData.getStringF(
           'signinProxyMessageText',
           '<a id="' + RELOAD_PAGE_ID + '" class="signin-link" href="#">',
           '</a>',
           '<a id="signin-proxy-error-fix-proxy" class="signin-link" href="#">',
           '</a>');
       $(RELOAD_PAGE_ID).onclick = function() {
         var gaiaScreen = $(SCREEN_GAIA_SIGNIN);
         // Schedules an immediate retry.
         gaiaScreen.doReload();
       };
       $('signin-proxy-error-fix-proxy').onclick = function() {
         chrome.send('openInternetDetailDialog');
       };

       $('error-guest-signin').innerHTML = loadTimeData.getStringF(
           'guestSignin',
           '<a id="error-guest-signin-link" class="signin-link" href="#">',
           '</a>');
       $('error-guest-signin-link')
           .addEventListener('click', this.launchGuestSession_.bind(this));

       $('error-guest-signin-fix-network').innerHTML = loadTimeData.getStringF(
           'guestSigninFixNetwork',
           '<a id="error-guest-fix-network-signin-link" class="signin-link" ' +
               'href="#">',
           '</a>');
       $('error-guest-fix-network-signin-link')
           .addEventListener('click', this.launchGuestSession_.bind(this));

       $('error-offline-login').innerHTML = loadTimeData.getStringF(
           'offlineLogin',
           '<a id="error-offline-login-link" class="signin-link" href="#">',
           '</a>');
       $('error-offline-login-link').onclick = function() {
         chrome.send('offlineLogin');
       };

       var ellipsis = '';
       for (var i = 1; i <= 3; ++i) {
         ellipsis +=
             '<span id="connecting-indicator-ellipsis-' + i + '"></span>';
       }
       $('connecting-indicator').innerHTML =
           loadTimeData.getStringF('connectingIndicatorText', ellipsis);

       $('offline-network-control').setCrOncStrings();

       this.onContentChange_();
     },

     /**
      * Event handler that is invoked just before the screen is shown.
      * @param {Object} data Screen init payload.
      */
     onBeforeShow: function(data) {
       cr.ui.Oobe.clearErrors();
       Oobe.getInstance().setSigninUIState(SIGNIN_UI_STATE.ERROR);
       $('error-message-back-button').disabled = !this.closable;
     },

     /**
      * Event handler that is invoked just before the screen is hidden.
      */
     onBeforeHide: function() {
       Oobe.getInstance().setSigninUIState(SIGNIN_UI_STATE.HIDDEN);
     },

     /**
      * Sets current UI state of the screen.
      * @param {string} ui_state New UI state of the screen.
      * @private
      */
     setUIState_: function(ui_state) {
       this.classList.remove(this.ui_state);
       this.ui_state = ui_state;
       this.classList.add(this.ui_state);
       this.onContentChange_();
     },

     /**
      * Sets current error state of the screen.
      * @param {string} error_state New error state of the screen.
      * @private
      */
     setErrorState_: function(error_state) {
       this.classList.remove(this.error_state);
       this.error_state = error_state;
       this.classList.add(this.error_state);
       this.onContentChange_();
     },

     /**
      * Sets network.
      * @param {string} network Name of the current network
      * @private
      */
     setNetwork_: function(network) {
       var networkNameElems =
           document.getElementsByClassName(CURRENT_NETWORK_NAME_CLASS);
       for (var i = 0; i < networkNameElems.length; ++i)
         networkNameElems[i].textContent = network;
       this.onContentChange_();
     },

     /* Method called after content of the screen changed.
      * @private
      */
     onContentChange_: function() {
       if (Oobe.getInstance().currentScreen === this) {
         Oobe.getInstance().updateScreenSize(this);
       }
     },

     /**
      * Event handler for guest session launch.
      * @private
      */
     launchGuestSession_: function() {
       if (Oobe.getInstance().isOobeUI()) {
         this.send(
             login.Screen.CALLBACK_USER_ACTED, USER_ACTION_LAUNCH_OOBE_GUEST);
       } else {
         chrome.send('launchIncognito');
       }
     },

     /**
      * Prepares error screen to show guest signin link.
      * @private
      */
     allowGuestSignin: function(allowed) {
       this.classList.toggle('allow-guest-signin', allowed);
       this.onContentChange_();
     },

     /**
      * Prepares error screen to show offline login link.
      * @private
      */
     allowOfflineLogin: function(allowed) {
       this.classList.toggle('allow-offline-login', allowed);
       this.onContentChange_();
     },

     /**
      * Sets current UI state of the screen.
      * @param {number} ui_state New UI state of the screen.
      * @private
      */
     setUIState: function(ui_state) {
       this.setUIState_(UI_STATES[ui_state]);
     },

     /**
      * Sets current error state of the screen.
      * @param {number} error_state New error state of the screen.
      * @private
      */
     setErrorState: function(error_state) {
       this.setErrorState_(ERROR_STATES[error_state]);
     },

     /**
      * Sets current error network state of the screen.
      * @param {string} network Name of the current network
      */
     setErrorStateNetwork: function(value) {
       this.setNetwork_(value);
     },

     /**
      * Updates visibility of the label indicating we're reconnecting.
      * @param {boolean} show Whether the label should be shown.
      */
     showConnectingIndicator: function(show) {
       this.classList.toggle('show-connecting-indicator', show);
       this.onContentChange_();
     },

     /**
      * Cancels error screen and drops to user pods.
      */
     cancel: function() {
       if (this.closable)
         Oobe.showUserPods();
     },
   };
 });
	// Copyright (c) 2012 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 Offline message screen implementation.
	*/

	login.createScreen('ErrorMessageScreen', 'error-message', function() {
	var USER_ACTION_CONFIGURE_CERTS = 'configure-certs';
	var USER_ACTION_DIAGNOSE = 'diagnose';
	var USER_ACTION_LAUNCH_OOBE_GUEST = 'launch-oobe-guest';
	var USER_ACTION_LOCAL_STATE_POWERWASH = 'local-state-error-powerwash';
	var USER_ACTION_REBOOT = 'reboot';
	var USER_ACTION_SHOW_CAPTIVE_PORTAL = 'show-captive-portal';
	var USER_ACTION_NETWORK_CONNECTED = 'network-connected';

	// Link which starts guest session for captive portal fixing.
	/** @const */ var FIX_CAPTIVE_PORTAL_ID = 'captive-portal-fix-link';

	/** @const */ var FIX_PROXY_SETTINGS_ID = 'proxy-settings-fix-link';

	// Class of the elements which hold current network name.
	/** @const */ var CURRENT_NETWORK_NAME_CLASS = 'portal-network-name';

	// Link which triggers frame reload.
	/** @const */ var RELOAD_PAGE_ID = 'proxy-error-signin-retry-link';

	// Array of the possible UI states of the screen. Must be in the
	// same order as ErrorScreen::UIState enum values.
	/** @const */ var UI_STATES = [
	ERROR_SCREEN_UI_STATE.UNKNOWN,
	ERROR_SCREEN_UI_STATE.UPDATE,
	ERROR_SCREEN_UI_STATE.SIGNIN,
	ERROR_SCREEN_UI_STATE.SUPERVISED_USER_CREATION_FLOW,
	ERROR_SCREEN_UI_STATE.KIOSK_MODE,
	ERROR_SCREEN_UI_STATE.LOCAL_STATE_ERROR,
	ERROR_SCREEN_UI_STATE.AUTO_ENROLLMENT_ERROR,
	ERROR_SCREEN_UI_STATE.ROLLBACK_ERROR,
	];

	// The help topic linked from the auto enrollment error message.
	/** @const */ var HELP_TOPIC_AUTO_ENROLLMENT = 4632009;

	// Possible error states of the screen.
	/** @const */ var ERROR_STATE = {
	UNKNOWN: 'error-state-unknown',
	PORTAL: 'error-state-portal',
	OFFLINE: 'error-state-offline',
	PROXY: 'error-state-proxy',
	AUTH_EXT_TIMEOUT: 'error-state-auth-ext-timeout',
	KIOSK_ONLINE: 'error-state-kiosk-online'
	};

	// Possible error states of the screen. Must be in the same order as
	// ErrorScreen::ErrorState enum values.
	/** @const */ var ERROR_STATES = [
	ERROR_STATE.UNKNOWN,
	ERROR_STATE.PORTAL,
	ERROR_STATE.OFFLINE,
	ERROR_STATE.PROXY,
	ERROR_STATE.AUTH_EXT_TIMEOUT,
	ERROR_STATE.NONE,
	ERROR_STATE.KIOSK_ONLINE,
	];

	return {
	EXTERNAL_API: [
	'updateLocalizedContent',
	'onBeforeShow',
	'onBeforeHide',
	'allowGuestSignin',
	'allowOfflineLogin',
	'setUIState',
	'setErrorState',
	'showConnectingIndicator',
	'setErrorStateNetwork',
	],

	// Error screen initial UI state.
	ui_state_: ERROR_SCREEN_UI_STATE.UNKNOWN,

	// Error screen initial error state.
	error_state_: ERROR_STATE.UNKNOWN,

	/**
	* Whether the screen can be closed.
	* @type {boolean}
	*/
	get closable() {
	return Oobe.getInstance().hasUserPods;
	},

	/**
	* Returns default event target element.
	* @type {Object}
	*/
	get defaultControl() {
	return $('error-message-md');
	},

	/** @override */
	decorate: function() {
	this.updateLocalizedContent();

	var self = this;
	$('error-message-back-button')
	.addEventListener('click', this.cancel.bind(this));

	$('error-message-md-reboot-button').addEventListener('tap', function(e) {
	self.send(login.Screen.CALLBACK_USER_ACTED, USER_ACTION_REBOOT);
	e.stopPropagation();
	});
	$('error-message-md-diagnose-button')
	.addEventListener('tap', function(e) {
	self.send(login.Screen.CALLBACK_USER_ACTED, USER_ACTION_DIAGNOSE);
	e.stopPropagation();
	});
	$('error-message-md-configure-certs-button')
	.addEventListener('tap', function(e) {
	self.send(
	login.Screen.CALLBACK_USER_ACTED, USER_ACTION_CONFIGURE_CERTS);
	e.stopPropagation();
	});
	$('error-message-md-continue-button')
	.addEventListener('tap', function(e) {
	chrome.send('continueAppLaunch');
	e.stopPropagation();
	});
	$('error-message-md-ok-button').addEventListener('tap', function(e) {
	chrome.send('login.ResetScreen.userActed', ['cancel-reset']);
	e.stopPropagation();
	});
	$('error-message-md-powerwash-button')
	.addEventListener('tap', function(e) {
	self.send(
	login.Screen.CALLBACK_USER_ACTED,
	USER_ACTION_LOCAL_STATE_POWERWASH);
	e.stopPropagation();
	});
	$('offline-network-control')
	.addEventListener('selected-network-connected', function(e) {
	self.send(
	login.Screen.CALLBACK_USER_ACTED,
	USER_ACTION_NETWORK_CONNECTED);
	});
	},

	/**
	* Updates localized content of the screen that is not updated via template.
	*/
	updateLocalizedContent: function() {
	var self = this;
	$('auto-enrollment-offline-message-text').innerHTML =
	loadTimeData.getStringF(
	'autoEnrollmentOfflineMessageBody',
	loadTimeData.getString('deviceType'),
	'<b class="' + CURRENT_NETWORK_NAME_CLASS + '"></b>',
	'<a id="auto-enrollment-learn-more" class="signin-link" ' +
	'"href="#">',
	'</a>');
	$('auto-enrollment-learn-more').onclick = function() {
	chrome.send('launchHelpApp', [HELP_TOPIC_AUTO_ENROLLMENT]);
	};

	$('captive-portal-message-text').innerHTML = loadTimeData.getStringF(
	'captivePortalMessage',
	'<b class="' + CURRENT_NETWORK_NAME_CLASS + '"></b>',
	'<a id="' + FIX_CAPTIVE_PORTAL_ID + '" class="signin-link" href="#">',
	'</a>');
	$(FIX_CAPTIVE_PORTAL_ID).onclick = function() {
	self.send(
	login.Screen.CALLBACK_USER_ACTED, USER_ACTION_SHOW_CAPTIVE_PORTAL);
	};

	$('captive-portal-proxy-message-text').innerHTML =
	loadTimeData.getStringF(
	'captivePortalProxyMessage',
	'<a id="' + FIX_PROXY_SETTINGS_ID +
	'" class="signin-link" href="#">',
	'</a>');
	$(FIX_PROXY_SETTINGS_ID).onclick = function() {
	chrome.send('openInternetDetailDialog');
	};
	$('update-proxy-message-text').innerHTML = loadTimeData.getStringF(
	'updateProxyMessageText',
	'<a id="update-proxy-error-fix-proxy" class="signin-link" href="#">',
	'</a>');
	$('update-proxy-error-fix-proxy').onclick = function() {
	chrome.send('openInternetDetailDialog');
	};
	$('signin-proxy-message-text').innerHTML = loadTimeData.getStringF(
	'signinProxyMessageText',
	'<a id="' + RELOAD_PAGE_ID + '" class="signin-link" href="#">',
	'</a>',
	'<a id="signin-proxy-error-fix-proxy" class="signin-link" href="#">',
	'</a>');
	$(RELOAD_PAGE_ID).onclick = function() {
	var gaiaScreen = $(SCREEN_GAIA_SIGNIN);
	// Schedules an immediate retry.
	gaiaScreen.doReload();
	};
	$('signin-proxy-error-fix-proxy').onclick = function() {
	chrome.send('openInternetDetailDialog');
	};

	$('error-guest-signin').innerHTML = loadTimeData.getStringF(
	'guestSignin',
	'<a id="error-guest-signin-link" class="signin-link" href="#">',
	'</a>');
	$('error-guest-signin-link')
	.addEventListener('click', this.launchGuestSession_.bind(this));

	$('error-guest-signin-fix-network').innerHTML = loadTimeData.getStringF(
	'guestSigninFixNetwork',
	'<a id="error-guest-fix-network-signin-link" class="signin-link" ' +
	'href="#">',
	'</a>');
	$('error-guest-fix-network-signin-link')
	.addEventListener('click', this.launchGuestSession_.bind(this));

	$('error-offline-login').innerHTML = loadTimeData.getStringF(
	'offlineLogin',
	'<a id="error-offline-login-link" class="signin-link" href="#">',
	'</a>');
	$('error-offline-login-link').onclick = function() {
	chrome.send('offlineLogin');
	};

	var ellipsis = '';
	for (var i = 1; i <= 3; ++i) {
	ellipsis +=
	'<span id="connecting-indicator-ellipsis-' + i + '"></span>';
	}
	$('connecting-indicator').innerHTML =
	loadTimeData.getStringF('connectingIndicatorText', ellipsis);

	$('offline-network-control').setCrOncStrings();

	this.onContentChange_();
	},

	/**
	* Event handler that is invoked just before the screen is shown.
	* @param {Object} data Screen init payload.
	*/
	onBeforeShow: function(data) {
	cr.ui.Oobe.clearErrors();
	Oobe.getInstance().setSigninUIState(SIGNIN_UI_STATE.ERROR);
	$('error-message-back-button').disabled = !this.closable;
	},

	/**
	* Event handler that is invoked just before the screen is hidden.
	*/
	onBeforeHide: function() {
	Oobe.getInstance().setSigninUIState(SIGNIN_UI_STATE.HIDDEN);
	},

	/**
	* Sets current UI state of the screen.
	* @param {string} ui_state New UI state of the screen.
	* @private
	*/
	setUIState_: function(ui_state) {
	this.classList.remove(this.ui_state);
	this.ui_state = ui_state;
	this.classList.add(this.ui_state);
	this.onContentChange_();
	},

	/**
	* Sets current error state of the screen.
	* @param {string} error_state New error state of the screen.
	* @private
	*/
	setErrorState_: function(error_state) {
	this.classList.remove(this.error_state);
	this.error_state = error_state;
	this.classList.add(this.error_state);
	this.onContentChange_();
	},

	/**
	* Sets network.
	* @param {string} network Name of the current network
	* @private
	*/
	setNetwork_: function(network) {
	var networkNameElems =
	document.getElementsByClassName(CURRENT_NETWORK_NAME_CLASS);
	for (var i = 0; i < networkNameElems.length; ++i)
	networkNameElems[i].textContent = network;
	this.onContentChange_();
	},

	/* Method called after content of the screen changed.
	* @private
	*/
	onContentChange_: function() {
	if (Oobe.getInstance().currentScreen === this) {
	Oobe.getInstance().updateScreenSize(this);
	}
	},

	/**
	* Event handler for guest session launch.
	* @private
	*/
	launchGuestSession_: function() {
	if (Oobe.getInstance().isOobeUI()) {
	this.send(
	login.Screen.CALLBACK_USER_ACTED, USER_ACTION_LAUNCH_OOBE_GUEST);
	} else {
	chrome.send('launchIncognito');
	}
	},

	/**
	* Prepares error screen to show guest signin link.
	* @private
	*/
	allowGuestSignin: function(allowed) {
	this.classList.toggle('allow-guest-signin', allowed);
	this.onContentChange_();
	},

	/**
	* Prepares error screen to show offline login link.
	* @private
	*/
	allowOfflineLogin: function(allowed) {
	this.classList.toggle('allow-offline-login', allowed);
	this.onContentChange_();
	},

	/**
	* Sets current UI state of the screen.
	* @param {number} ui_state New UI state of the screen.
	* @private
	*/
	setUIState: function(ui_state) {
	this.setUIState_(UI_STATES[ui_state]);
	},

	/**
	* Sets current error state of the screen.
	* @param {number} error_state New error state of the screen.
	* @private
	*/
	setErrorState: function(error_state) {
	this.setErrorState_(ERROR_STATES[error_state]);
	},

	/**
	* Sets current error network state of the screen.
	* @param {string} network Name of the current network
	*/
	setErrorStateNetwork: function(value) {
	this.setNetwork_(value);
	},

	/**
	* Updates visibility of the label indicating we're reconnecting.
	* @param {boolean} show Whether the label should be shown.
	*/
	showConnectingIndicator: function(show) {
	this.classList.toggle('show-connecting-indicator', show);
	this.onContentChange_();
	},

	/**
	* Cancels error screen and drops to user pods.
	*/
	cancel: function() {
	if (this.closable)
	Oobe.showUserPods();
	},
	};
	});