Lock screen pin keyboard ui upgrades.

chrome/browser/resources/chromeos/quick_unlock/pin_keyboard.js

Index: chrome/browser/resources/chromeos/quick_unlock/pin_keyboard.js
diff --git a/chrome/browser/resources/chromeos/quick_unlock/pin_keyboard.js b/chrome/browser/resources/chromeos/quick_unlock/pin_keyboard.js
index 9b9ba5dad8b5dc2ba8c528ddea38566061751d5e..a17cb7b69857954271748e55f87ff781c810ed79 100644
--- a/chrome/browser/resources/chromeos/quick_unlock/pin_keyboard.js
+++ b/chrome/browser/resources/chromeos/quick_unlock/pin_keyboard.js
@@ -47,6 +47,22 @@ Polymer({
       value: false
     },
 
+    /**
+     * The problem to display on the pin keyboard.
+     */
+    problemMessage: {

[jdufault, 2016/08/24 01:20:18]

This should be private (problemMessage_)

[sammiequon, 2016/08/25 23:50:02]

No more problem message.

+      type: String,
+      value: ''
+    },
+
+    /**
+     * Whether the problem is an error or a warning.
+     */
+    problemClass: {

[jdufault, 2016/08/24 01:20:18]

This should be private (problemClass_)

[sammiequon, 2016/08/25 23:50:02]

No more problem message.

+      type: String,
+      value: 'warning'
+    },
+
     /** The value stored in the keyboard's input element. */
     value: {
       type: String,
@@ -70,6 +86,16 @@ Polymer({
   },
 
   /**
+   * Called when a different problem message wants to be displayed.
+   * @param {string} problemMessage the message to be displayed
+   * @param {boolean} isError
+   */
+  setProblem: function(problemMessage, isError) {
+    this.problemClass = isError ? 'error' : 'warning';
+    this.problemMessage = problemMessage;
+  },
+
+  /**
    * Called when a keypad number has been tapped.
    * @param {!{target: !PaperButtonElement}} event
    * @private
@@ -127,12 +153,21 @@ Polymer({
   },
 
   /**
-   * Changes the color of the submit button if PIN is ready.
+   * Changes the color of the input text if it is not empty.
    * @param {string} value
    * @private
    */
-  getSubmitClass_: function(value) {
-    return value.length > 0 ? 'ready-background' : '';
+  getContentClass_: function(value) {
+    return value.length > 0 ? 'has-content' : '';
+  },
+
+  /**
+   * Disables the submit and backspace button if nothing is entered.
+   * @param {string} value
+   * @private
+   */
+  hasInput_: function(value) {
+    return value.length > 0;
   },
 
   /**
@@ -156,6 +191,32 @@ Polymer({
   },
 
   /**
+   * Hides the problem message div if no error is to be shown.
+   * @param {string} problemMessage
+   * @private
+   */
+  hasProblemMessage_: function(problemMessage) {
+    return problemMessage.length > 0;
+  },
+
+  /**
+   * Computes the whether the error message should be shown.
+   * @param {boolean} problemMessage
+   * @private
+   */
+  getProblemClass_: function(problemMessage) {

[jdufault, 2016/08/24 01:20:18]

Showing the problem should be controlled by the embedder, since the logic to do
that varies.

[sammiequon, 2016/08/25 23:50:02]

No more problem message.

+    return problemMessage.length > 0 ? 'problem-show' : '';
+  },
+
+  /**
+   * Computes the direction of the problem message.
+   * @private
+   */
+  getProblemDirection_: function() {
+    return document.dir == 'rtl' ? 'problem-rtl' : '';
+  },
+
+  /**
    * Computes the direction of the pin input.
    * @param {string} password
    * @private
@@ -178,7 +239,7 @@ Polymer({
    * @param {boolean} submitEnabled
    * @private
    */
-  getSubmitHiddenClass_: function(submitEnabled) {
+  getSubmitClass_: function(submitEnabled) {
     return submitEnabled ? '' : 'submit-button-hidden';
   }
 });