Upgrade to 1.0 and switch clients to dom-repeat where needed.

third_party/polymer/v0_8/components/iron-autogrow-textarea/iron-autogrow-textarea.html

Index: third_party/polymer/v0_8/components/iron-autogrow-textarea/iron-autogrow-textarea.html
diff --git a/third_party/polymer/v0_8/components/iron-autogrow-textarea/iron-autogrow-textarea.html b/third_party/polymer/v0_8/components/iron-autogrow-textarea/iron-autogrow-textarea.html
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+<!--
+@license
+Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
+This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
+The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
+The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
+Code distributed by Google as part of the polymer project is also
+subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
+-->
+
+<link rel="import" href="../polymer/polymer.html">
+<link rel="import" href="../iron-flex-layout/classes/iron-flex-layout.html">
+<link rel="import" href="../iron-validatable-behavior/iron-validatable-behavior.html">
+
+<!--
+`iron-autogrow-textarea` is an element containing a textarea that grows in height as more
+lines of input are entered. Unless an explicit height or the `maxRows` property is set, it will
+never scroll.
+
+Example:
+
+    <iron-autogrow-textarea id="a1">
+      <textarea id="t1"></textarea>
+    </iron-autogrow-textarea>
+
+Because the `textarea`'s `value` property is not observable, you should use
+this element's `bind-value` instead for imperative updates.
+
+@group Iron Elements
+@hero hero.svg
+@demo demo/index.html
+-->
+
+<dom-module id="iron-autogrow-textarea">
+
+  <style>
+    :host {
+      display: inline-block;
+      position: relative;
+      width: 400px;
+      border: 1px solid;
+      padding: 2px;
+      -moz-appearance: textarea;
+      -webkit-appearance: textarea;
+    }
+
+    .mirror-text {
+      visibility: hidden;
+      word-wrap: break-word;
+    }
+
+    textarea {
+      position: relative;
+      outline: none;
+      border: none;
+      resize: none;
+      background: inherit;
+      /* see comments in template */
+      width: 100%;
+      height: 100%;
+      font-size: inherit;
+      font-family: inherit;
+    }
+
+    ::content textarea:invalid {
+      box-shadow: none;
+    }
+
+  </style>
+  <template>
+    <!-- the mirror sizes the input/textarea so it grows with typing -->
+    <div id="mirror" class="mirror-text" aria-hidden="true">&nbsp;</div>
+
+    <!-- size the input/textarea with a div, because the textarea has intrinsic size in ff -->
+    <div class="textarea-container fit">
+      <textarea id="textarea" required$="[[required]]" rows$="[[rows]]" maxlength$="[[maxlength]]"></textarea>
+    </div>
+  </template>
+
+<script>
+
+  Polymer({
+
+    is: 'iron-autogrow-textarea',
+
+    behaviors: [
+      Polymer.IronValidatableBehavior
+    ],
+
+    properties: {
+
+      /**
+       * Use this property instead of `value` for two-way data binding.
+       */
+      bindValue: {
+        observer: '_bindValueChanged',
+        type: String
+      },
+
+      /**
+       * The initial number of rows.
+       *
+       * @attribute rows
+       * @type number
+       * @default 1
+       */
+      rows: {
+        type: Number,
+        value: 1,
+        observer: '_updateCached'
+      },
+
+      /**
+       * The maximum number of rows this element can grow to until it
+       * scrolls. 0 means no maximum.
+       *
+       * @attribute maxRows
+       * @type number
+       * @default 0
+       */
+      maxRows: {
+       type: Number,
+       value: 0,
+       observer: '_updateCached'
+      },
+
+      /**
+       * Set to true to mark the textarea as required.
+       */
+      required: {
+        type: Boolean
+      },
+
+      /**
+       * The maximum length of the input value.
+       */
+      maxlength: {
+        type: Number
+      }
+
+    },
+
+    listeners: {
+      'input': '_onInput'
+    },
+
+    /**
+     * Returns the underlying textarea.
+     */
+    get textarea() {
+      return this.$.textarea;
+    },
+
+    _update: function() {
+      this.$.mirror.innerHTML = this._valueForMirror();
+
+      var textarea = this.textarea;
+      // If the value of the textarea was updated imperatively, then we
+      // need to manually update bindValue as well.
+      if (textarea && this.bindValue != textarea.value) {
+        this.bindValue = textarea.value;
+      }
+    },
+
+    _bindValueChanged: function() {
+      var textarea = this.textarea;
+      if (!textarea) {
+        return;
+      }
+
+      textarea.value = this.bindValue;
+      this._update();
+      // manually notify because we don't want to notify until after setting value
+      this.fire('bind-value-changed', {value: this.bindValue});
+    },
+
+    _onInput: function(event) {
+      this.bindValue = event.path ? event.path[0].value : event.target.value;
+      this._update();
+    },
+
+    _constrain: function(tokens) {
+      var _tokens;
+      tokens = tokens || [''];
+      // Enforce the min and max heights for a multiline input to avoid measurement
+      if (this.maxRows > 0 && tokens.length > this.maxRows) {
+        _tokens = tokens.slice(0, this.maxRows);
+      } else {
+        _tokens = tokens.slice(0);
+      }
+      while (this.rows > 0 && _tokens.length < this.rows) {
+        _tokens.push('');
+      }
+      return _tokens.join('<br>') + '&nbsp;';
+    },
+
+    _valueForMirror: function() {
+      var input = this.textarea;
+      if (!input) {
+        return;
+      }
+      this.tokens = (input && input.value) ? input.value.replace(/&/gm, '&amp;').replace(/"/gm, '&quot;').replace(/'/gm, '&#39;').replace(/</gm, '&lt;').replace(/>/gm, '&gt;').split('\n') : [''];
+      return this._constrain(this.tokens);
+    },
+
+    _updateCached: function() {
+      this.$.mirror.innerHTML = this._constrain(this.tokens);
+    }
+  })
+</script>