Project import generated by Copybara.
GitOrigin-RevId: 63746295f1a5ab5a619056791995793d65529e62
diff --git a/node_modules/material-design-lite/src/button/button.js b/node_modules/material-design-lite/src/button/button.js
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+/**
+ * @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.
+ */
+
+(function() {
+ 'use strict';
+
+ /**
+ * Class constructor for Button 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.
+ */
+ var MaterialButton = function MaterialButton(element) {
+ this.element_ = element;
+
+ // Initialize instance.
+ this.init();
+ };
+ window['MaterialButton'] = MaterialButton;
+
+ /**
+ * Store constants in one place so they can be updated easily.
+ *
+ * @enum {string | number}
+ * @private
+ */
+ MaterialButton.prototype.Constant_ = {
+ // None for now.
+ };
+
+ /**
+ * 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
+ */
+ MaterialButton.prototype.CssClasses_ = {
+ RIPPLE_EFFECT: 'mdl-js-ripple-effect',
+ RIPPLE_CONTAINER: 'mdl-button__ripple-container',
+ RIPPLE: 'mdl-ripple'
+ };
+
+ /**
+ * Handle blur of element.
+ *
+ * @param {Event} event The event that fired.
+ * @private
+ */
+ MaterialButton.prototype.blurHandler_ = function(event) {
+ if (event) {
+ this.element_.blur();
+ }
+ };
+
+ // Public methods.
+
+ /**
+ * Disable button.
+ *
+ * @public
+ */
+ MaterialButton.prototype.disable = function() {
+ this.element_.disabled = true;
+ };
+ MaterialButton.prototype['disable'] = MaterialButton.prototype.disable;
+
+ /**
+ * Enable button.
+ *
+ * @public
+ */
+ MaterialButton.prototype.enable = function() {
+ this.element_.disabled = false;
+ };
+ MaterialButton.prototype['enable'] = MaterialButton.prototype.enable;
+
+ /**
+ * Initialize element.
+ */
+ MaterialButton.prototype.init = function() {
+ if (this.element_) {
+ if (this.element_.classList.contains(this.CssClasses_.RIPPLE_EFFECT)) {
+ var rippleContainer = document.createElement('span');
+ rippleContainer.classList.add(this.CssClasses_.RIPPLE_CONTAINER);
+ this.rippleElement_ = document.createElement('span');
+ this.rippleElement_.classList.add(this.CssClasses_.RIPPLE);
+ rippleContainer.appendChild(this.rippleElement_);
+ this.boundRippleBlurHandler = this.blurHandler_.bind(this);
+ this.rippleElement_.addEventListener('mouseup', this.boundRippleBlurHandler);
+ this.element_.appendChild(rippleContainer);
+ }
+ this.boundButtonBlurHandler = this.blurHandler_.bind(this);
+ this.element_.addEventListener('mouseup', this.boundButtonBlurHandler);
+ this.element_.addEventListener('mouseleave', this.boundButtonBlurHandler);
+ }
+ };
+
+ // The component registers itself. It can assume componentHandler is available
+ // in the global scope.
+ componentHandler.register({
+ constructor: MaterialButton,
+ classAsString: 'MaterialButton',
+ cssClass: 'mdl-js-button',
+ widget: true
+ });
+})();