npm_modules: Fork bower_components into Polymer 0.4.0 and 0.5.0 versions

polymer_0.5.0/bower_components/paper-shadow/paper-shadow.html

+<!--
+Copyright (c) 2014 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
+-->
+
+<!--
+
+`paper-shadow` is a container that renders two shadows on top of each other to
+create the effect of a lifted piece of paper.
+
+Example:
+
+    <paper-shadow z="1">
+      ... card content ...
+    </paper-shadow>
+
+@group Paper Elements
+@class paper-shadow
+-->
+
+<link href="../polymer/polymer.html" rel="import">
+
+<link href="paper-shadow.css" rel="stylesheet" shim-shadowdom>
+
+<polymer-element name="paper-shadow">
+
+<template>
+
+  <div id="shadow-bottom" fit animated?="[[animated]]" class="paper-shadow-bottom-z-[[z]]"></div>
+  <div id="shadow-top" fit animated?="[[animated]]" class="paper-shadow-top-z-[[z]]"></div>
+
+  <content></content>
+
+</template>
+
+<script>
+  Polymer({
+
+    publish: {
+
+      /**
+       * The z-depth of this shadow, from 0-5. Setting this property
+       * after element creation has no effect. Use `setZ()` instead.
+       *
+       * @attribute z
+       * @type number
+       * @default 1
+       */
+      z: 1,
+
+      /**
+       * Set this to true to animate the shadow when setting a new
+       * `z` value.
+       *
+       * @attribute animated
+       * @type boolean
+       * @default false
+       */
+      animated: false
+
+    },
+
+    /**
+     * Set the z-depth of the shadow. This should be used after element
+     * creation instead of setting the z property directly.
+     *
+     * @method setZ
+     * @param {Number} newZ
+     */
+    setZ: function(newZ) {
+      if (this.z !== newZ) {
+        this.$['shadow-bottom'].classList.remove('paper-shadow-bottom-z-' + this.z);
+        this.$['shadow-bottom'].classList.add('paper-shadow-bottom-z-' + newZ);
+        this.$['shadow-top'].classList.remove('paper-shadow-top-z-' + this.z);
+        this.$['shadow-top'].classList.add('paper-shadow-top-z-' + newZ);
+        this.z = newZ;
+      }
+    }
+
+  });
+</script>
+</polymer-element>