Single pod autofocus disabled for touch view mode. Delegate class created for ash interactions.

ui/login/account_picker/user_pod_row.js

 // Copyright 2014 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 User pod row implementation.
  */
 
 cr.define('login', function() {
   /**
@@ skipping 1572 matching lines @@
     /**
      * Returns all the pods in this pod row.
      * @type {NodeList}
      */
     get pods() {
       return Array.prototype.slice.call(this.children);
     },
 
     /**
      * Return true if user pod row has only single user pod in it, which should
-     * always be focused.
+     * always be focused when Touch View mode is disabled..

[Nikita (slow), 2014/08/14 15:48:00]

nit: You should mention desktop mode as well.

[merkulova, 2014/08/14 15:56:02]

Done.

      * @type {boolean}
      */
     get alwaysFocusSinglePod() {
       var isDesktopUserManager = Oobe.getInstance().displayType ==
           DISPLAY_TYPE.DESKTOP_USER_MANAGER;
 
-      return isDesktopUserManager ? false : this.children.length == 1;
+      return (isDesktopUserManager || this.touchViewEnabled_) ?
+          false : this.children.length == 1;
     },
 
     /**
      * Returns pod with the given app id.
      * @param {!string} app_id Application id to be matched.
      * @return {Object} Pod with the given app id. null if pod hasn't been
      *     found.
      */
     getPodWithAppId_: function(app_id) {
       for (var i = 0, pod; pod = this.pods[i]; ++i) {
@@ skipping 276 matching lines @@
       var pod = this.getPodWithUsername_(username);
       if (pod == null) {
         console.error('Unable to set auth type for ' + username +
                       ': user pod not found.');
         return;
       }
       pod.setAuthType(authType, value);
     },
 
     /**
+     * Sets the state of touch view mode.
+     * @param {boolean} isTouchViewEnabled true if the mode is on.
+     */
+    setTouchViewState: function(isTouchViewEnabled) {
+      this.touchViewEnabled_ = isTouchViewEnabled;
+    },
+
+    /**
      * Shows a tooltip bubble explaining Easy Unlock for the focused pod.
      */
     showEasyUnlockBubble: function() {
       if (!this.focusedPod_) {
         console.error('No focused pod to show Easy Unlock bubble.');
         return;
       }
 
       var bubbleContent = document.createElement('div');
       bubbleContent.classList.add('easy-unlock-button-content');
@@ skipping 627 matching lines @@
        if (pod && pod.multiProfilesPolicyApplied) {
          pod.userTypeBubbleElement.classList.remove('bubble-shown');
        }
      }
   };
 
   return {
     PodRow: PodRow
   };
 });