Project import generated by Copybara.
GitOrigin-RevId: 63746295f1a5ab5a619056791995793d65529e62
diff --git a/node_modules/material-design-lite/src/animation/demo.js b/node_modules/material-design-lite/src/animation/demo.js
new file mode 100644
index 0000000..a4800eb
--- /dev/null
+++ b/node_modules/material-design-lite/src/animation/demo.js
@@ -0,0 +1,112 @@
+/**
+ * @license
+ * Copyright 2015 Google Inc. All Rights Reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * Class constructor for Animation MDL component.
+ * Implements MDL component design pattern defined at:
+ * https://github.com/jasonmayes/mdl-component-design-pattern
+ * @param {HTMLElement} element The element that will be upgraded.
+ */
+function DemoAnimation(element) {
+ 'use strict';
+
+ this.element_ = element;
+ this.position_ = this.Constant_.STARTING_POSITION;
+ this.movable_ = this.element_.querySelector('.' + this.CssClasses_.MOVABLE);
+ // Initialize instance.
+ this.init();
+}
+
+/**
+ * Store strings for class names defined by this component that are used in
+ * JavaScript. This allows us to simply change it in one place should we
+ * decide to modify at a later date.
+ * @enum {string}
+ * @private
+ */
+DemoAnimation.prototype.CssClasses_ = {
+ MOVABLE: 'demo-animation__movable',
+ POSITION_PREFIX: 'demo-animation--position-',
+ FAST_OUT_SLOW_IN: 'mdl-animation--fast-out-slow-in',
+ LINEAR_OUT_SLOW_IN: 'mdl-animation--linear-out-slow-in',
+ FAST_OUT_LINEAR_IN: 'mdl-animation--fast-out-linear-in'
+};
+
+/**
+ * Store constants in one place so they can be updated easily.
+ * @enum {string | number}
+ * @private
+ */
+DemoAnimation.prototype.Constant_ = {
+ STARTING_POSITION: 0,
+ // Which animation to use for which state. Check demo.css for an explanation.
+ ANIMATIONS: [
+ DemoAnimation.prototype.CssClasses_.FAST_OUT_LINEAR_IN,
+ DemoAnimation.prototype.CssClasses_.LINEAR_OUT_SLOW_IN,
+ DemoAnimation.prototype.CssClasses_.FAST_OUT_SLOW_IN,
+ DemoAnimation.prototype.CssClasses_.FAST_OUT_LINEAR_IN,
+ DemoAnimation.prototype.CssClasses_.LINEAR_OUT_SLOW_IN,
+ DemoAnimation.prototype.CssClasses_.FAST_OUT_SLOW_IN
+ ]
+};
+
+/**
+ * Handle click of element.
+ * @param {Event} event The event that fired.
+ * @private
+ */
+DemoAnimation.prototype.handleClick_ = function(event) {
+ 'use strict';
+
+ this.movable_.classList.remove(this.CssClasses_.POSITION_PREFIX +
+ this.position_);
+ this.movable_.classList.remove(this.Constant_.ANIMATIONS[this.position_]);
+
+ this.position_++;
+ if (this.position_ > 5) {
+ this.position_ = 0;
+ }
+
+ this.movable_.classList.add(this.Constant_.ANIMATIONS[this.position_]);
+ this.movable_.classList.add(this.CssClasses_.POSITION_PREFIX +
+ this.position_);
+};
+
+/**
+ * Initialize element.
+ */
+DemoAnimation.prototype.init = function() {
+ 'use strict';
+
+ if (this.element_) {
+ if (!this.movable_) {
+ console.error('Was expecting to find an element with class name ' +
+ this.CssClasses_.MOVABLE + ' inside of: ', this.element_);
+ return;
+ }
+
+ this.element_.addEventListener('click', this.handleClick_.bind(this));
+ }
+};
+
+// The component registers itself. It can assume componentHandler is available
+// in the global scope.
+componentHandler.register({
+ constructor: DemoAnimation,
+ classAsString: 'DemoAnimation',
+ cssClass: 'demo-js-animation'
+});