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

third_party/polymer/v0_8/components/neon-animation/animations/cascaded-animation.html

+<!--
+@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="../neon-animation-behavior.html">
+<link rel="import" href="../web-animations.html">
+
+<!--
+`<cascaded-animation>` applies an animation on an array of elements with a delay between each.
+the delay defaults to 50ms.
+
+Configuration:
+```
+{
+  name: 'cascaded-animation',
+  animation: <animation-name>,
+  nodes: <array-of-nodes>,
+  nodedelay: <node-delay-in-ms>,
+  timing: <animation-timing>
+}
+```
+-->
+
+<script>
+
+  Polymer({
+
+    is: 'cascaded-animation',
+
+    behaviors: [
+      Polymer.NeonAnimationBehavior
+    ],
+
+    properties: {
+
+      _animationMeta: {
+        type: Object,
+        value: function() {
+          return new Polymer.IronMeta({type: 'animation'});
+        }
+      }
+
+    },
+
+    configure: function(config) {
+      var animationConstructor = this._animationMeta.byKey(config.animation);
+      if (!animationConstructor) {
+        console.warn(this.is + ':', 'constructor for', config.animation, 'not found!');
+        return;
+      }
+
+      var nodes = config.nodes;
+      var effects = [];
+      var nodeDelay = config.nodeDelay || 50;
+
+      config.timing = config.timing || {};
+      config.timing.delay = config.timing.delay || 0;
+
+      var oldDelay = config.timing.delay;
+      for (var node, index = 0; node = nodes[index]; index++) {
+        config.timing.delay += nodeDelay;
+        config.node = node;
+
+        var animation = new animationConstructor();
+        var effect = animation.configure(config);
+
+        effects.push(effect);
+      }
+      config.timing.delay = oldDelay;
+
+      this._effect = new GroupEffect(effects);
+      return this._effect;
+    }
+
+  });
+
+</script>