<gaia-input> element extracted from <gaia-input-form>.

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

+/* Copyright 2015 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.
+ */
+
+Polymer('gaia-input', (function() {
+  var INPUT_EMAIL_PATTERN = "^[a-zA-Z0-9.!#$%&'*+=?^_`{|}~-]+(@[^\\s@]+)?$";
+
+  return {
+    required: false,
+
+    ready: function() {
+      this.typeChanged();
+    },
+
+    onKeyDown: function(e) {
+      this.isInvalid = false;
+    },
+
+    setDomainVisibility: function() {
+      this.$.domainLabel.hidden = (this.type !== 'email') || !this.domain ||
+          (this.value.indexOf('@') !== -1);
+    },
+
+    onTap: function() {
+      this.isInvalid = false;
+    },
+
+    focus: function() {
+      this.$.input.focus();
+    },
+
+    checkValidity: function() {
+      var isValid = this.$.input.validity.valid;
+      this.isInvalid = !isValid;
+      return isValid;
+    },
+
+    typeChanged: function() {
+      if (this.type == 'email') {
+        this.$.input.pattern = INPUT_EMAIL_PATTERN;
+        this.$.input.type = 'text';
+      } else {
+        this.$.input.removeAttribute('pattern');
+        this.$.input.type = this.type;
+      }
+      this.setDomainVisibility();
+    },
+
+    valueChanged: function() {
+      this.setDomainVisibility();
+    },
+
+    domainChanged: function() {
+      this.setDomainVisibility();
+    }
+  };
+})());
+