src/material.js

;(function () {
    "use strict";

    /**
     * @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.
     */

    /**
     * A component handler interface using the revealing module design pattern.
     * More details on this design pattern here:
     * https://github.com/jasonmayes/mdl-component-design-pattern
     *
     * @author Jason Mayes.
     */
    /* exported componentHandler */

// Pre-defining the componentHandler interface, for closure documentation and
// static verification.
    var componentHandler = {
        /**
         * Searches existing DOM for elements of our component type and upgrades them
         * if they have not already been upgraded.
         *
         * @param {string=} optJsClass the programatic name of the element class we
         * need to create a new instance of.
         * @param {string=} optCssClass the name of the CSS class elements of this
         * type will have.
         */
        upgradeDom: function (optJsClass, optCssClass) {
        },
        /**
         * Upgrades a specific element rather than all in the DOM.
         *
         * @param {!Element} element The element we wish to upgrade.
         * @param {string=} optJsClass Optional name of the class we want to upgrade
         * the element to.
         */
        upgradeElement: function (element, optJsClass) {
        },
        /**
         * Upgrades a specific list of elements rather than all in the DOM.
         *
         * @param {!Element|!Array<!Element>|!NodeList|!HTMLCollection} elements
         * The elements we wish to upgrade.
         */
        upgradeElements: function (elements) {
        },
        /**
         * Upgrades all registered components found in the current DOM. This is
         * automatically called on window load.
         */
        upgradeAllRegistered: function () {
        },
        /**
         * Allows user to be alerted to any upgrades that are performed for a given
         * component type
         *
         * @param {string} jsClass The class name of the MDL component we wish
         * to hook into for any upgrades performed.
         * @param {function(!HTMLElement)} callback The function to call upon an
         * upgrade. This function should expect 1 parameter - the HTMLElement which
         * got upgraded.
         */
        registerUpgradedCallback: function (jsClass, callback) {
        },
        /**
         * Registers a class for future use and attempts to upgrade existing DOM.
         *
         * @param {componentHandler.ComponentConfigPublic} config the registration configuration
         */
        register: function (config) {
        },
        /**
         * Downgrade either a given node, an array of nodes, or a NodeList.
         *
         * @param {!Node|!Array<!Node>|!NodeList} nodes
         */
        downgradeElements: function (nodes) {
        }
    };

    componentHandler = (function () {
        'use strict';

        /** @type {!Array<componentHandler.ComponentConfig>} */
        var registeredComponents_ = [];

        /** @type {!Array<componentHandler.Component>} */
        var createdComponents_ = [];

        var componentConfigProperty_ = 'mdlComponentConfigInternal_';

        /**
         * Searches registered components for a class we are interested in using.
         * Optionally replaces a match with passed object if specified.
         *
         * @param {string} name The name of a class we want to use.
         * @param {componentHandler.ComponentConfig=} optReplace Optional object to replace match with.
         * @return {!Object|boolean}
         * @private
         */
        function findRegisteredClass_(name, optReplace) {
            for (var i = 0; i < registeredComponents_.length; i++) {
                if (registeredComponents_[i].className === name) {
                    if (typeof optReplace !== 'undefined') {
                        registeredComponents_[i] = optReplace;
                    }
                    return registeredComponents_[i];
                }
            }
            return false;
        }

        /**
         * Returns an array of the classNames of the upgraded classes on the element.
         *
         * @param {!Element} element The element to fetch data from.
         * @return {!Array<string>}
         * @private
         */
        function getUpgradedListOfElement_(element) {
            var dataUpgraded = element.getAttribute('data-upgraded');
            // Use `['']` as default value to conform the `,name,name...` style.
            return dataUpgraded === null ? [''] : dataUpgraded.split(',');
        }

        /**
         * Returns true if the given element has already been upgraded for the given
         * class.
         *
         * @param {!Element} element The element we want to check.
         * @param {string} jsClass The class to check for.
         * @returns {boolean}
         * @private
         */
        function isElementUpgraded_(element, jsClass) {
            var upgradedList = getUpgradedListOfElement_(element);
            return upgradedList.indexOf(jsClass) !== -1;
        }

        /**
         * Create an event object.
         *
         * @param {string} eventType The type name of the event.
         * @param {boolean} bubbles Whether the event should bubble up the DOM.
         * @param {boolean} cancelable Whether the event can be canceled.
         * @returns {!Event}
         */
        function createEvent_(eventType, bubbles, cancelable) {
            if ('CustomEvent' in window && typeof window.CustomEvent === 'function') {
                return new CustomEvent(eventType, {
                    bubbles: bubbles,
                    cancelable: cancelable
                });
            } else {
                var ev = document.createEvent('Events');
                ev.initEvent(eventType, bubbles, cancelable);
                return ev;
            }
        }

        /**
         * Searches existing DOM for elements of our component type and upgrades them
         * if they have not already been upgraded.
         *
         * @param {string=} optJsClass the programatic name of the element class we
         * need to create a new instance of.
         * @param {string=} optCssClass the name of the CSS class elements of this
         * type will have.
         */
        function upgradeDomInternal(optJsClass, optCssClass) {
            if (typeof optJsClass === 'undefined' &&
                typeof optCssClass === 'undefined') {
                for (var i = 0; i < registeredComponents_.length; i++) {
                    upgradeDomInternal(registeredComponents_[i].className,
                        registeredComponents_[i].cssClass);
                }
            } else {
                var jsClass = /** @type {string} */ (optJsClass);
                if (typeof optCssClass === 'undefined') {
                    var registeredClass = findRegisteredClass_(jsClass);
                    if (registeredClass) {
                        optCssClass = registeredClass.cssClass;
                    }
                }

                var elements = document.querySelectorAll('.' + optCssClass);
                for (var n = 0; n < elements.length; n++) {
                    upgradeElementInternal(elements[n], jsClass);
                }
            }
        }

        /**
         * Upgrades a specific element rather than all in the DOM.
         *
         * @param {!Element} element The element we wish to upgrade.
         * @param {string=} optJsClass Optional name of the class we want to upgrade
         * the element to.
         */
        function upgradeElementInternal(element, optJsClass) {
            // Verify argument type.
            if (!(typeof element === 'object' && element instanceof Element)) {
                throw new Error('Invalid argument provided to upgrade MDL element.');
            }
            // Allow upgrade to be canceled by canceling emitted event.
            var upgradingEv = createEvent_('mdl-componentupgrading', true, true);
            element.dispatchEvent(upgradingEv);
            if (upgradingEv.defaultPrevented) {
                return;
            }

            var upgradedList = getUpgradedListOfElement_(element);
            var classesToUpgrade = [];
            // If jsClass is not provided scan the registered components to find the
            // ones matching the element's CSS classList.
            if (!optJsClass) {
                var classList = element.classList;
                registeredComponents_.forEach(function (component) {
                    // Match CSS & Not to be upgraded & Not upgraded.
                    if (classList.contains(component.cssClass) &&
                        classesToUpgrade.indexOf(component) === -1 &&
                        !isElementUpgraded_(element, component.className)) {
                        classesToUpgrade.push(component);
                    }
                });
            } else if (!isElementUpgraded_(element, optJsClass)) {
                classesToUpgrade.push(findRegisteredClass_(optJsClass));
            }

            // Upgrade the element for each classes.
            for (var i = 0, n = classesToUpgrade.length, registeredClass; i < n; i++) {
                registeredClass = classesToUpgrade[i];
                if (registeredClass) {
                    // Mark element as upgraded.
                    upgradedList.push(registeredClass.className);
                    element.setAttribute('data-upgraded', upgradedList.join(','));
                    var instance = new registeredClass.classConstructor(element);
                    instance[componentConfigProperty_] = registeredClass;
                    createdComponents_.push(instance);
                    // Call any callbacks the user has registered with this component type.
                    for (var j = 0, m = registeredClass.callbacks.length; j < m; j++) {
                        registeredClass.callbacks[j](element);
                    }

                    if (registeredClass.widget) {
                        // Assign per element instance for control over API
                        element[registeredClass.className] = instance;
                    }
                } else {
                    throw new Error(
                        'Unable to find a registered component for the given class.');
                }

                var upgradedEv = createEvent_('mdl-componentupgraded', true, false);
                element.dispatchEvent(upgradedEv);
            }
        }

        /**
         * Upgrades a specific list of elements rather than all in the DOM.
         *
         * @param {!Element|!Array<!Element>|!NodeList|!HTMLCollection} elements
         * The elements we wish to upgrade.
         */
        function upgradeElementsInternal(elements) {
            if (!Array.isArray(elements)) {
                if (elements instanceof Element) {
                    elements = [elements];
                } else {
                    elements = Array.prototype.slice.call(elements);
                }
            }
            for (var i = 0, n = elements.length, element; i < n; i++) {
                element = elements[i];
                if (element instanceof HTMLElement) {
                    upgradeElementInternal(element);
                    if (element.children.length > 0) {
                        upgradeElementsInternal(element.children);
                    }
                }
            }
        }

        /**
         * Registers a class for future use and attempts to upgrade existing DOM.
         *
         * @param {componentHandler.ComponentConfigPublic} config
         */
        function registerInternal(config) {
            // In order to support both Closure-compiled and uncompiled code accessing
            // this method, we need to allow for both the dot and array syntax for
            // property access. You'll therefore see the `foo.bar || foo['bar']`
            // pattern repeated across this method.
            var widgetMissing = (typeof config.widget === 'undefined' &&
                typeof config['widget'] === 'undefined');
            var widget = true;

            if (!widgetMissing) {
                widget = config.widget || config['widget'];
            }

            var newConfig = /** @type {componentHandler.ComponentConfig} */ ({
                classConstructor: config.constructor || config['constructor'],
                className: config.classAsString || config['classAsString'],
                cssClass: config.cssClass || config['cssClass'],
                widget: widget,
                callbacks: []
            });

            registeredComponents_.forEach(function (item) {
                if (item.cssClass === newConfig.cssClass) {
                    throw new Error('The provided cssClass has already been registered: ' + item.cssClass);
                }
                if (item.className === newConfig.className) {
                    throw new Error('The provided className has already been registered');
                }
            });

            if (config.constructor.prototype
                    .hasOwnProperty(componentConfigProperty_)) {
                throw new Error(
                    'MDL component classes must not have ' + componentConfigProperty_ +
                    ' defined as a property.');
            }

            var found = findRegisteredClass_(config.classAsString, newConfig);

            if (!found) {
                registeredComponents_.push(newConfig);
            }
        }

        /**
         * Allows user to be alerted to any upgrades that are performed for a given
         * component type
         *
         * @param {string} jsClass The class name of the MDL component we wish
         * to hook into for any upgrades performed.
         * @param {function(!HTMLElement)} callback The function to call upon an
         * upgrade. This function should expect 1 parameter - the HTMLElement which
         * got upgraded.
         */
        function registerUpgradedCallbackInternal(jsClass, callback) {
            var regClass = findRegisteredClass_(jsClass);
            if (regClass) {
                regClass.callbacks.push(callback);
            }
        }

        /**
         * Upgrades all registered components found in the current DOM. This is
         * automatically called on window load.
         */
        function upgradeAllRegisteredInternal() {
            for (var n = 0; n < registeredComponents_.length; n++) {
                upgradeDomInternal(registeredComponents_[n].className);
            }
        }

        /**
         * Check the component for the downgrade method.
         * Execute if found.
         * Remove component from createdComponents list.
         *
         * @param {?componentHandler.Component} component
         */
        function deconstructComponentInternal(component) {
            if (component) {
                var componentIndex = createdComponents_.indexOf(component);
                createdComponents_.splice(componentIndex, 1);

                var upgrades = component.element_.getAttribute('data-upgraded').split(',');
                var componentPlace = upgrades.indexOf(component[componentConfigProperty_].classAsString);
                upgrades.splice(componentPlace, 1);
                component.element_.setAttribute('data-upgraded', upgrades.join(','));

                var ev = createEvent_('mdl-componentdowngraded', true, false);
                component.element_.dispatchEvent(ev);
            }
        }

        /**
         * Downgrade either a given node, an array of nodes, or a NodeList.
         *
         * @param {!Node|!Array<!Node>|!NodeList} nodes
         */
        function downgradeNodesInternal(nodes) {
            /**
             * Auxiliary function to downgrade a single node.
             * @param  {!Node} node the node to be downgraded
             */
            var downgradeNode = function (node) {
                createdComponents_.filter(function (item) {
                    return item.element_ === node;
                }).forEach(deconstructComponentInternal);
            };
            if (nodes instanceof Array || nodes instanceof NodeList) {
                for (var n = 0; n < nodes.length; n++) {
                    downgradeNode(nodes[n]);
                }
            } else if (nodes instanceof Node) {
                downgradeNode(nodes);
            } else {
                throw new Error('Invalid argument provided to downgrade MDL nodes.');
            }
        }

        // Now return the functions that should be made public with their publicly
        // facing names...
        return {
            upgradeDom: upgradeDomInternal,
            upgradeElement: upgradeElementInternal,
            upgradeElements: upgradeElementsInternal,
            upgradeAllRegistered: upgradeAllRegisteredInternal,
            registerUpgradedCallback: registerUpgradedCallbackInternal,
            register: registerInternal,
            downgradeElements: downgradeNodesInternal
        };
    })();

    /**
     * Describes the type of a registered component type managed by
     * componentHandler. Provided for benefit of the Closure compiler.
     *
     * @typedef {{
 *   constructor: Function,
 *   classAsString: string,
 *   cssClass: string,
 *   widget: (string|boolean|undefined)
 * }}
     */
    componentHandler.ComponentConfigPublic;  // jshint ignore:line

    /**
     * Describes the type of a registered component type managed by
     * componentHandler. Provided for benefit of the Closure compiler.
     *
     * @typedef {{
 *   constructor: !Function,
 *   className: string,
 *   cssClass: string,
 *   widget: (string|boolean),
 *   callbacks: !Array<function(!HTMLElement)>
 * }}
     */
    componentHandler.ComponentConfig;  // jshint ignore:line

    /**
     * Created component (i.e., upgraded element) type as managed by
     * componentHandler. Provided for benefit of the Closure compiler.
     *
     * @typedef {{
 *   element_: !HTMLElement,
 *   className: string,
 *   classAsString: string,
 *   cssClass: string,
 *   widget: string
 * }}
     */
    componentHandler.Component;  // jshint ignore:line

// Export all symbols, for the benefit of Closure compiler.
// No effect on uncompiled code.
    componentHandler['upgradeDom'] = componentHandler.upgradeDom;
    componentHandler['upgradeElement'] = componentHandler.upgradeElement;
    componentHandler['upgradeElements'] = componentHandler.upgradeElements;
    componentHandler['upgradeAllRegistered'] =
        componentHandler.upgradeAllRegistered;
    componentHandler['registerUpgradedCallback'] =
        componentHandler.registerUpgradedCallback;
    componentHandler['register'] = componentHandler.register;
    componentHandler['downgradeElements'] = componentHandler.downgradeElements;
    window.componentHandler = componentHandler;
    window['componentHandler'] = componentHandler;

    window.addEventListener('load', function () {
        'use strict';

        /**
         * Performs a "Cutting the mustard" test. If the browser supports the features
         * tested, adds a mdl-js class to the <html> element. It then upgrades all MDL
         * components requiring JavaScript.
         */
        if ('classList' in document.createElement('div') &&
            'querySelector' in document &&
            'addEventListener' in window && Array.prototype.forEach) {
            document.documentElement.classList.add('mdl-js');
            componentHandler.upgradeAllRegistered();
        } else {
            /**
             * Dummy function to avoid JS errors.
             */
            componentHandler.upgradeElement = function () {
            };
            /**
             * Dummy function to avoid JS errors.
             */
            componentHandler.register = function () {
            };
        }
    });

// Source: https://github.com/darius/requestAnimationFrame/blob/master/requestAnimationFrame.js
// Adapted from https://gist.github.com/paulirish/1579671 which derived from
// http://paulirish.com/2011/requestanimationframe-for-smart-animating/
// http://my.opera.com/emoller/blog/2011/12/20/requestanimationframe-for-smart-er-animating
// requestAnimationFrame polyfill by Erik Möller.
// Fixes from Paul Irish, Tino Zijdel, Andrew Mao, Klemen Slavič, Darius Bacon
// MIT license
    if (!Date.now) {
        /**
         * Date.now polyfill.
         * @return {number} the current Date
         */
        Date.now = function () {
            return new Date().getTime();
        };
        Date['now'] = Date.now;
    }
    var vendors = [
        'webkit',
        'moz'
    ];
    for (var i = 0; i < vendors.length && !window.requestAnimationFrame; ++i) {
        var vp = vendors[i];
        window.requestAnimationFrame = window[vp + 'RequestAnimationFrame'];
        window.cancelAnimationFrame = window[vp + 'CancelAnimationFrame'] || window[vp + 'CancelRequestAnimationFrame'];
        window['requestAnimationFrame'] = window.requestAnimationFrame;
        window['cancelAnimationFrame'] = window.cancelAnimationFrame;
    }
    if (/iP(ad|hone|od).*OS 6/.test(window.navigator.userAgent) || !window.requestAnimationFrame || !window.cancelAnimationFrame) {
        var lastTime = 0;
        /**
         * requestAnimationFrame polyfill.
         * @param  {!Function} callback the callback function.
         */
        window.requestAnimationFrame = function (callback) {
            var now = Date.now();
            var nextTime = Math.max(lastTime + 16, now);
            return setTimeout(function () {
                callback(lastTime = nextTime);
            }, nextTime - now);
        };
        window.cancelAnimationFrame = clearTimeout;
        window['requestAnimationFrame'] = window.requestAnimationFrame;
        window['cancelAnimationFrame'] = window.cancelAnimationFrame;
    }
    /**
     * @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 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_ = {};
    /**
     * 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
    });
    /**
     * @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 Checkbox MDL component.
     * Implements MDL component design pattern defined at:
     * https://github.com/jasonmayes/mdl-component-design-pattern
     *
     * @constructor
     * @param {HTMLElement} element The element that will be upgraded.
     */
    var MaterialCheckbox = function MaterialCheckbox(element) {
        this.element_ = element;
        // Initialize instance.
        this.init();
    };
    window['MaterialCheckbox'] = MaterialCheckbox;
    /**
     * Store constants in one place so they can be updated easily.
     *
     * @enum {string | number}
     * @private
     */
    MaterialCheckbox.prototype.Constant_ = {TINY_TIMEOUT: 0.001};
    /**
     * 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
     */
    MaterialCheckbox.prototype.CssClasses_ = {
        INPUT: 'mdl-checkbox__input',
        BOX_OUTLINE: 'mdl-checkbox__box-outline',
        FOCUS_HELPER: 'mdl-checkbox__focus-helper',
        TICK_OUTLINE: 'mdl-checkbox__tick-outline',
        RIPPLE_EFFECT: 'mdl-js-ripple-effect',
        RIPPLE_IGNORE_EVENTS: 'mdl-js-ripple-effect--ignore-events',
        RIPPLE_CONTAINER: 'mdl-checkbox__ripple-container',
        RIPPLE_CENTER: 'mdl-ripple--center',
        RIPPLE: 'mdl-ripple',
        IS_FOCUSED: 'is-focused',
        IS_DISABLED: 'is-disabled',
        IS_CHECKED: 'is-checked',
        IS_UPGRADED: 'is-upgraded'
    };
    /**
     * Handle change of state.
     *
     * @param {Event} event The event that fired.
     * @private
     */
    MaterialCheckbox.prototype.onChange_ = function (event) {
        this.updateClasses_();
    };
    /**
     * Handle focus of element.
     *
     * @param {Event} event The event that fired.
     * @private
     */
    MaterialCheckbox.prototype.onFocus_ = function (event) {
        this.element_.classList.add(this.CssClasses_.IS_FOCUSED);
    };
    /**
     * Handle lost focus of element.
     *
     * @param {Event} event The event that fired.
     * @private
     */
    MaterialCheckbox.prototype.onBlur_ = function (event) {
        this.element_.classList.remove(this.CssClasses_.IS_FOCUSED);
    };
    /**
     * Handle mouseup.
     *
     * @param {Event} event The event that fired.
     * @private
     */
    MaterialCheckbox.prototype.onMouseUp_ = function (event) {
        this.blur_();
    };
    /**
     * Handle class updates.
     *
     * @private
     */
    MaterialCheckbox.prototype.updateClasses_ = function () {
        this.checkDisabled();
        this.checkToggleState();
    };
    /**
     * Add blur.
     *
     * @private
     */
    MaterialCheckbox.prototype.blur_ = function () {
        // TODO: figure out why there's a focus event being fired after our blur,
        // so that we can avoid this hack.
        window.setTimeout(function () {
            this.inputElement_.blur();
        }.bind(this), this.Constant_.TINY_TIMEOUT);
    };
// Public methods.
    /**
     * Check the inputs toggle state and update display.
     *
     * @public
     */
    MaterialCheckbox.prototype.checkToggleState = function () {
        if (this.inputElement_.checked) {
            this.element_.classList.add(this.CssClasses_.IS_CHECKED);
        } else {
            this.element_.classList.remove(this.CssClasses_.IS_CHECKED);
        }
    };
    MaterialCheckbox.prototype['checkToggleState'] = MaterialCheckbox.prototype.checkToggleState;
    /**
     * Check the inputs disabled state and update display.
     *
     * @public
     */
    MaterialCheckbox.prototype.checkDisabled = function () {
        if (this.inputElement_.disabled) {
            this.element_.classList.add(this.CssClasses_.IS_DISABLED);
        } else {
            this.element_.classList.remove(this.CssClasses_.IS_DISABLED);
        }
    };
    MaterialCheckbox.prototype['checkDisabled'] = MaterialCheckbox.prototype.checkDisabled;
    /**
     * Disable checkbox.
     *
     * @public
     */
    MaterialCheckbox.prototype.disable = function () {
        this.inputElement_.disabled = true;
        this.updateClasses_();
    };
    MaterialCheckbox.prototype['disable'] = MaterialCheckbox.prototype.disable;
    /**
     * Enable checkbox.
     *
     * @public
     */
    MaterialCheckbox.prototype.enable = function () {
        this.inputElement_.disabled = false;
        this.updateClasses_();
    };
    MaterialCheckbox.prototype['enable'] = MaterialCheckbox.prototype.enable;
    /**
     * Check checkbox.
     *
     * @public
     */
    MaterialCheckbox.prototype.check = function () {
        this.inputElement_.checked = true;
        this.updateClasses_();
    };
    MaterialCheckbox.prototype['check'] = MaterialCheckbox.prototype.check;
    /**
     * Uncheck checkbox.
     *
     * @public
     */
    MaterialCheckbox.prototype.uncheck = function () {
        this.inputElement_.checked = false;
        this.updateClasses_();
    };
    MaterialCheckbox.prototype['uncheck'] = MaterialCheckbox.prototype.uncheck;
    /**
     * Initialize element.
     */
    MaterialCheckbox.prototype.init = function () {
        if (this.element_) {
            this.inputElement_ = this.element_.querySelector('.' + this.CssClasses_.INPUT);
            var boxOutline = document.createElement('span');
            boxOutline.classList.add(this.CssClasses_.BOX_OUTLINE);
            var tickContainer = document.createElement('span');
            tickContainer.classList.add(this.CssClasses_.FOCUS_HELPER);
            var tickOutline = document.createElement('span');
            tickOutline.classList.add(this.CssClasses_.TICK_OUTLINE);
            boxOutline.appendChild(tickOutline);
            this.element_.appendChild(tickContainer);
            this.element_.appendChild(boxOutline);
            if (this.element_.classList.contains(this.CssClasses_.RIPPLE_EFFECT)) {
                this.element_.classList.add(this.CssClasses_.RIPPLE_IGNORE_EVENTS);
                this.rippleContainerElement_ = document.createElement('span');
                this.rippleContainerElement_.classList.add(this.CssClasses_.RIPPLE_CONTAINER);
                this.rippleContainerElement_.classList.add(this.CssClasses_.RIPPLE_EFFECT);
                this.rippleContainerElement_.classList.add(this.CssClasses_.RIPPLE_CENTER);
                this.boundRippleMouseUp = this.onMouseUp_.bind(this);
                this.rippleContainerElement_.addEventListener('mouseup', this.boundRippleMouseUp);
                var ripple = document.createElement('span');
                ripple.classList.add(this.CssClasses_.RIPPLE);
                this.rippleContainerElement_.appendChild(ripple);
                this.element_.appendChild(this.rippleContainerElement_);
            }
            this.boundInputOnChange = this.onChange_.bind(this);
            this.boundInputOnFocus = this.onFocus_.bind(this);
            this.boundInputOnBlur = this.onBlur_.bind(this);
            this.boundElementMouseUp = this.onMouseUp_.bind(this);
            this.inputElement_.addEventListener('change', this.boundInputOnChange);
            this.inputElement_.addEventListener('focus', this.boundInputOnFocus);
            this.inputElement_.addEventListener('blur', this.boundInputOnBlur);
            this.element_.addEventListener('mouseup', this.boundElementMouseUp);
            this.updateClasses_();
            this.element_.classList.add(this.CssClasses_.IS_UPGRADED);
        }
    };
// The component registers itself. It can assume componentHandler is available
// in the global scope.
    componentHandler.register({
        constructor: MaterialCheckbox,
        classAsString: 'MaterialCheckbox',
        cssClass: 'mdl-js-checkbox',
        widget: true
    });
    /**
     * @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 icon toggle MDL component.
     * Implements MDL component design pattern defined at:
     * https://github.com/jasonmayes/mdl-component-design-pattern
     *
     * @constructor
     * @param {HTMLElement} element The element that will be upgraded.
     */
    var MaterialIconToggle = function MaterialIconToggle(element) {
        this.element_ = element;
        // Initialize instance.
        this.init();
    };
    window['MaterialIconToggle'] = MaterialIconToggle;
    /**
     * Store constants in one place so they can be updated easily.
     *
     * @enum {string | number}
     * @private
     */
    MaterialIconToggle.prototype.Constant_ = {TINY_TIMEOUT: 0.001};
    /**
     * 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
     */
    MaterialIconToggle.prototype.CssClasses_ = {
        INPUT: 'mdl-icon-toggle__input',
        JS_RIPPLE_EFFECT: 'mdl-js-ripple-effect',
        RIPPLE_IGNORE_EVENTS: 'mdl-js-ripple-effect--ignore-events',
        RIPPLE_CONTAINER: 'mdl-icon-toggle__ripple-container',
        RIPPLE_CENTER: 'mdl-ripple--center',
        RIPPLE: 'mdl-ripple',
        IS_FOCUSED: 'is-focused',
        IS_DISABLED: 'is-disabled',
        IS_CHECKED: 'is-checked'
    };
    /**
     * Handle change of state.
     *
     * @param {Event} event The event that fired.
     * @private
     */
    MaterialIconToggle.prototype.onChange_ = function (event) {
        this.updateClasses_();
    };
    /**
     * Handle focus of element.
     *
     * @param {Event} event The event that fired.
     * @private
     */
    MaterialIconToggle.prototype.onFocus_ = function (event) {
        this.element_.classList.add(this.CssClasses_.IS_FOCUSED);
    };
    /**
     * Handle lost focus of element.
     *
     * @param {Event} event The event that fired.
     * @private
     */
    MaterialIconToggle.prototype.onBlur_ = function (event) {
        this.element_.classList.remove(this.CssClasses_.IS_FOCUSED);
    };
    /**
     * Handle mouseup.
     *
     * @param {Event} event The event that fired.
     * @private
     */
    MaterialIconToggle.prototype.onMouseUp_ = function (event) {
        this.blur_();
    };
    /**
     * Handle class updates.
     *
     * @private
     */
    MaterialIconToggle.prototype.updateClasses_ = function () {
        this.checkDisabled();
        this.checkToggleState();
    };
    /**
     * Add blur.
     *
     * @private
     */
    MaterialIconToggle.prototype.blur_ = function () {
        // TODO: figure out why there's a focus event being fired after our blur,
        // so that we can avoid this hack.
        window.setTimeout(function () {
            this.inputElement_.blur();
        }.bind(this), this.Constant_.TINY_TIMEOUT);
    };
// Public methods.
    /**
     * Check the inputs toggle state and update display.
     *
     * @public
     */
    MaterialIconToggle.prototype.checkToggleState = function () {
        if (this.inputElement_.checked) {
            this.element_.classList.add(this.CssClasses_.IS_CHECKED);
        } else {
            this.element_.classList.remove(this.CssClasses_.IS_CHECKED);
        }
    };
    MaterialIconToggle.prototype['checkToggleState'] = MaterialIconToggle.prototype.checkToggleState;
    /**
     * Check the inputs disabled state and update display.
     *
     * @public
     */
    MaterialIconToggle.prototype.checkDisabled = function () {
        if (this.inputElement_.disabled) {
            this.element_.classList.add(this.CssClasses_.IS_DISABLED);
        } else {
            this.element_.classList.remove(this.CssClasses_.IS_DISABLED);
        }
    };
    MaterialIconToggle.prototype['checkDisabled'] = MaterialIconToggle.prototype.checkDisabled;
    /**
     * Disable icon toggle.
     *
     * @public
     */
    MaterialIconToggle.prototype.disable = function () {
        this.inputElement_.disabled = true;
        this.updateClasses_();
    };
    MaterialIconToggle.prototype['disable'] = MaterialIconToggle.prototype.disable;
    /**
     * Enable icon toggle.
     *
     * @public
     */
    MaterialIconToggle.prototype.enable = function () {
        this.inputElement_.disabled = false;
        this.updateClasses_();
    };
    MaterialIconToggle.prototype['enable'] = MaterialIconToggle.prototype.enable;
    /**
     * Check icon toggle.
     *
     * @public
     */
    MaterialIconToggle.prototype.check = function () {
        this.inputElement_.checked = true;
        this.updateClasses_();
    };
    MaterialIconToggle.prototype['check'] = MaterialIconToggle.prototype.check;
    /**
     * Uncheck icon toggle.
     *
     * @public
     */
    MaterialIconToggle.prototype.uncheck = function () {
        this.inputElement_.checked = false;
        this.updateClasses_();
    };
    MaterialIconToggle.prototype['uncheck'] = MaterialIconToggle.prototype.uncheck;
    /**
     * Initialize element.
     */
    MaterialIconToggle.prototype.init = function () {
        if (this.element_) {
            this.inputElement_ = this.element_.querySelector('.' + this.CssClasses_.INPUT);
            if (this.element_.classList.contains(this.CssClasses_.JS_RIPPLE_EFFECT)) {
                this.element_.classList.add(this.CssClasses_.RIPPLE_IGNORE_EVENTS);
                this.rippleContainerElement_ = document.createElement('span');
                this.rippleContainerElement_.classList.add(this.CssClasses_.RIPPLE_CONTAINER);
                this.rippleContainerElement_.classList.add(this.CssClasses_.JS_RIPPLE_EFFECT);
                this.rippleContainerElement_.classList.add(this.CssClasses_.RIPPLE_CENTER);
                this.boundRippleMouseUp = this.onMouseUp_.bind(this);
                this.rippleContainerElement_.addEventListener('mouseup', this.boundRippleMouseUp);
                var ripple = document.createElement('span');
                ripple.classList.add(this.CssClasses_.RIPPLE);
                this.rippleContainerElement_.appendChild(ripple);
                this.element_.appendChild(this.rippleContainerElement_);
            }
            this.boundInputOnChange = this.onChange_.bind(this);
            this.boundInputOnFocus = this.onFocus_.bind(this);
            this.boundInputOnBlur = this.onBlur_.bind(this);
            this.boundElementOnMouseUp = this.onMouseUp_.bind(this);
            this.inputElement_.addEventListener('change', this.boundInputOnChange);
            this.inputElement_.addEventListener('focus', this.boundInputOnFocus);
            this.inputElement_.addEventListener('blur', this.boundInputOnBlur);
            this.element_.addEventListener('mouseup', this.boundElementOnMouseUp);
            this.updateClasses_();
            this.element_.classList.add('is-upgraded');
        }
    };
// The component registers itself. It can assume componentHandler is available
// in the global scope.
    componentHandler.register({
        constructor: MaterialIconToggle,
        classAsString: 'MaterialIconToggle',
        cssClass: 'mdl-js-icon-toggle',
        widget: true
    });
    /**
     * @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 dropdown MDL component.
     * Implements MDL component design pattern defined at:
     * https://github.com/jasonmayes/mdl-component-design-pattern
     *
     * @constructor
     * @param {HTMLElement} element The element that will be upgraded.
     */
    var MaterialMenu = function MaterialMenu(element) {
        this.element_ = element;
        // Initialize instance.
        this.init();
    };
    window['MaterialMenu'] = MaterialMenu;
    /**
     * Store constants in one place so they can be updated easily.
     *
     * @enum {string | number}
     * @private
     */
    MaterialMenu.prototype.Constant_ = {
        // Total duration of the menu animation.
        TRANSITION_DURATION_SECONDS: 0.3,
        // The fraction of the total duration we want to use for menu item animations.
        TRANSITION_DURATION_FRACTION: 0.8,
        // How long the menu stays open after choosing an option (so the user can see
        // the ripple).
        CLOSE_TIMEOUT: 150
    };
    /**
     * Keycodes, for code readability.
     *
     * @enum {number}
     * @private
     */
    MaterialMenu.prototype.Keycodes_ = {
        ENTER: 13,
        ESCAPE: 27,
        SPACE: 32,
        UP_ARROW: 38,
        DOWN_ARROW: 40
    };
    /**
     * 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
     */
    MaterialMenu.prototype.CssClasses_ = {
        CONTAINER: 'mdl-menu__container',
        OUTLINE: 'mdl-menu__outline',
        ITEM: 'mdl-menu__item',
        ITEM_RIPPLE_CONTAINER: 'mdl-menu__item-ripple-container',
        RIPPLE_EFFECT: 'mdl-js-ripple-effect',
        RIPPLE_IGNORE_EVENTS: 'mdl-js-ripple-effect--ignore-events',
        RIPPLE: 'mdl-ripple',
        // Statuses
        IS_UPGRADED: 'is-upgraded',
        IS_VISIBLE: 'is-visible',
        IS_ANIMATING: 'is-animating',
        // Alignment options
        BOTTOM_LEFT: 'mdl-menu--bottom-left',
        // This is the default.
        BOTTOM_RIGHT: 'mdl-menu--bottom-right',
        TOP_LEFT: 'mdl-menu--top-left',
        TOP_RIGHT: 'mdl-menu--top-right',
        UNALIGNED: 'mdl-menu--unaligned'
    };
    /**
     * Initialize element.
     */
    MaterialMenu.prototype.init = function () {
        if (this.element_) {
            // Create container for the menu.
            var container = document.createElement('div');
            container.classList.add(this.CssClasses_.CONTAINER);
            this.element_.parentElement.insertBefore(container, this.element_);
            this.element_.parentElement.removeChild(this.element_);
            container.appendChild(this.element_);
            this.container_ = container;
            // Create outline for the menu (shadow and background).
            var outline = document.createElement('div');
            outline.classList.add(this.CssClasses_.OUTLINE);
            this.outline_ = outline;
            container.insertBefore(outline, this.element_);
            // Find the "for" element and bind events to it.
            var forElId = this.element_.getAttribute('for') || this.element_.getAttribute('data-mdl-for');
            var forEl = null;
            if (forElId) {
                forEl = document.getElementById(forElId);
                if (forEl) {
                    this.forElement_ = forEl;
                    forEl.addEventListener('click', this.handleForClick_.bind(this));
                    forEl.addEventListener('keydown', this.handleForKeyboardEvent_.bind(this));
                }
            }
            var items = this.element_.querySelectorAll('.' + this.CssClasses_.ITEM);
            this.boundItemKeydown_ = this.handleItemKeyboardEvent_.bind(this);
            this.boundItemClick_ = this.handleItemClick_.bind(this);
            for (var i = 0; i < items.length; i++) {
                // Add a listener to each menu item.
                items[i].addEventListener('click', this.boundItemClick_);
                // Add a tab index to each menu item.
                items[i].tabIndex = '-1';
                // Add a keyboard listener to each menu item.
                items[i].addEventListener('keydown', this.boundItemKeydown_);
            }
            // Add ripple classes to each item, if the user has enabled ripples.
            if (this.element_.classList.contains(this.CssClasses_.RIPPLE_EFFECT)) {
                this.element_.classList.add(this.CssClasses_.RIPPLE_IGNORE_EVENTS);
                for (i = 0; i < items.length; i++) {
                    var item = items[i];
                    var rippleContainer = document.createElement('span');
                    rippleContainer.classList.add(this.CssClasses_.ITEM_RIPPLE_CONTAINER);
                    var ripple = document.createElement('span');
                    ripple.classList.add(this.CssClasses_.RIPPLE);
                    rippleContainer.appendChild(ripple);
                    item.appendChild(rippleContainer);
                    item.classList.add(this.CssClasses_.RIPPLE_EFFECT);
                }
            }
            // Copy alignment classes to the container, so the outline can use them.
            if (this.element_.classList.contains(this.CssClasses_.BOTTOM_LEFT)) {
                this.outline_.classList.add(this.CssClasses_.BOTTOM_LEFT);
            }
            if (this.element_.classList.contains(this.CssClasses_.BOTTOM_RIGHT)) {
                this.outline_.classList.add(this.CssClasses_.BOTTOM_RIGHT);
            }
            if (this.element_.classList.contains(this.CssClasses_.TOP_LEFT)) {
                this.outline_.classList.add(this.CssClasses_.TOP_LEFT);
            }
            if (this.element_.classList.contains(this.CssClasses_.TOP_RIGHT)) {
                this.outline_.classList.add(this.CssClasses_.TOP_RIGHT);
            }
            if (this.element_.classList.contains(this.CssClasses_.UNALIGNED)) {
                this.outline_.classList.add(this.CssClasses_.UNALIGNED);
            }
            container.classList.add(this.CssClasses_.IS_UPGRADED);
        }
    };
    /**
     * Handles a click on the "for" element, by positioning the menu and then
     * toggling it.
     *
     * @param {Event} evt The event that fired.
     * @private
     */
    MaterialMenu.prototype.handleForClick_ = function (evt) {
        if (this.element_ && this.forElement_) {
            var rect = this.forElement_.getBoundingClientRect();
            var forRect = this.forElement_.parentElement.getBoundingClientRect();
            if (this.element_.classList.contains(this.CssClasses_.UNALIGNED)) {
            } else if (this.element_.classList.contains(this.CssClasses_.BOTTOM_RIGHT)) {
                // Position below the "for" element, aligned to its right.
                this.container_.style.right = forRect.right - rect.right + 'px';
                this.container_.style.top = this.forElement_.offsetTop + this.forElement_.offsetHeight + 'px';
            } else if (this.element_.classList.contains(this.CssClasses_.TOP_LEFT)) {
                // Position above the "for" element, aligned to its left.
                this.container_.style.left = this.forElement_.offsetLeft + 'px';
                this.container_.style.bottom = forRect.bottom - rect.top + 'px';
            } else if (this.element_.classList.contains(this.CssClasses_.TOP_RIGHT)) {
                // Position above the "for" element, aligned to its right.
                this.container_.style.right = forRect.right - rect.right + 'px';
                this.container_.style.bottom = forRect.bottom - rect.top + 'px';
            } else {
                // Default: position below the "for" element, aligned to its left.
                this.container_.style.left = this.forElement_.offsetLeft + 'px';
                this.container_.style.top = this.forElement_.offsetTop + this.forElement_.offsetHeight + 'px';
            }
        }
        this.toggle(evt);
    };
    /**
     * Handles a keyboard event on the "for" element.
     *
     * @param {Event} evt The event that fired.
     * @private
     */
    MaterialMenu.prototype.handleForKeyboardEvent_ = function (evt) {
        if (this.element_ && this.container_ && this.forElement_) {
            var items = this.element_.querySelectorAll('.' + this.CssClasses_.ITEM + ':not([disabled])');
            if (items && items.length > 0 && this.container_.classList.contains(this.CssClasses_.IS_VISIBLE)) {
                if (evt.keyCode === this.Keycodes_.UP_ARROW) {
                    evt.preventDefault();
                    items[items.length - 1].focus();
                } else if (evt.keyCode === this.Keycodes_.DOWN_ARROW) {
                    evt.preventDefault();
                    items[0].focus();
                }
            }
        }
    };
    /**
     * Handles a keyboard event on an item.
     *
     * @param {Event} evt The event that fired.
     * @private
     */
    MaterialMenu.prototype.handleItemKeyboardEvent_ = function (evt) {
        if (this.element_ && this.container_) {
            var items = this.element_.querySelectorAll('.' + this.CssClasses_.ITEM + ':not([disabled])');
            if (items && items.length > 0 && this.container_.classList.contains(this.CssClasses_.IS_VISIBLE)) {
                var currentIndex = Array.prototype.slice.call(items).indexOf(evt.target);
                if (evt.keyCode === this.Keycodes_.UP_ARROW) {
                    evt.preventDefault();
                    if (currentIndex > 0) {
                        items[currentIndex - 1].focus();
                    } else {
                        items[items.length - 1].focus();
                    }
                } else if (evt.keyCode === this.Keycodes_.DOWN_ARROW) {
                    evt.preventDefault();
                    if (items.length > currentIndex + 1) {
                        items[currentIndex + 1].focus();
                    } else {
                        items[0].focus();
                    }
                } else if (evt.keyCode === this.Keycodes_.SPACE || evt.keyCode === this.Keycodes_.ENTER) {
                    evt.preventDefault();
                    // Send mousedown and mouseup to trigger ripple.
                    var e = new MouseEvent('mousedown');
                    evt.target.dispatchEvent(e);
                    e = new MouseEvent('mouseup');
                    evt.target.dispatchEvent(e);
                    // Send click.
                    evt.target.click();
                } else if (evt.keyCode === this.Keycodes_.ESCAPE) {
                    evt.preventDefault();
                    this.hide();
                }
            }
        }
    };
    /**
     * Handles a click event on an item.
     *
     * @param {Event} evt The event that fired.
     * @private
     */
    MaterialMenu.prototype.handleItemClick_ = function (evt) {
        if (evt.target.hasAttribute('disabled')) {
            evt.stopPropagation();
        } else {
            // Wait some time before closing menu, so the user can see the ripple.
            this.closing_ = true;
            window.setTimeout(function (evt) {
                this.hide();
                this.closing_ = false;
            }.bind(this), this.Constant_.CLOSE_TIMEOUT);
        }
    };
    /**
     * Calculates the initial clip (for opening the menu) or final clip (for closing
     * it), and applies it. This allows us to animate from or to the correct point,
     * that is, the point it's aligned to in the "for" element.
     *
     * @param {number} height Height of the clip rectangle
     * @param {number} width Width of the clip rectangle
     * @private
     */
    MaterialMenu.prototype.applyClip_ = function (height, width) {
        if (this.element_.classList.contains(this.CssClasses_.UNALIGNED)) {
            // Do not clip.
            this.element_.style.clip = '';
        } else if (this.element_.classList.contains(this.CssClasses_.BOTTOM_RIGHT)) {
            // Clip to the top right corner of the menu.
            this.element_.style.clip = 'rect(0 ' + width + 'px ' + '0 ' + width + 'px)';
        } else if (this.element_.classList.contains(this.CssClasses_.TOP_LEFT)) {
            // Clip to the bottom left corner of the menu.
            this.element_.style.clip = 'rect(' + height + 'px 0 ' + height + 'px 0)';
        } else if (this.element_.classList.contains(this.CssClasses_.TOP_RIGHT)) {
            // Clip to the bottom right corner of the menu.
            this.element_.style.clip = 'rect(' + height + 'px ' + width + 'px ' + height + 'px ' + width + 'px)';
        } else {
            // Default: do not clip (same as clipping to the top left corner).
            this.element_.style.clip = '';
        }
    };
    /**
     * Cleanup function to remove animation listeners.
     *
     * @param {Event} evt
     * @private
     */
    MaterialMenu.prototype.removeAnimationEndListener_ = function (evt) {
        evt.target.classList.remove(MaterialMenu.prototype.CssClasses_.IS_ANIMATING);
    };
    /**
     * Adds an event listener to clean up after the animation ends.
     *
     * @private
     */
    MaterialMenu.prototype.addAnimationEndListener_ = function () {
        this.element_.addEventListener('transitionend', this.removeAnimationEndListener_);
        this.element_.addEventListener('webkitTransitionEnd', this.removeAnimationEndListener_);
    };
    /**
     * Displays the menu.
     *
     * @public
     */
    MaterialMenu.prototype.show = function (evt) {
        if (this.element_ && this.container_ && this.outline_) {
            // Measure the inner element.
            var height = this.element_.getBoundingClientRect().height;
            var width = this.element_.getBoundingClientRect().width;
            // Apply the inner element's size to the container and outline.
            this.container_.style.width = width + 'px';
            this.container_.style.height = height + 'px';
            this.outline_.style.width = width + 'px';
            this.outline_.style.height = height + 'px';
            var transitionDuration = this.Constant_.TRANSITION_DURATION_SECONDS * this.Constant_.TRANSITION_DURATION_FRACTION;
            // Calculate transition delays for individual menu items, so that they fade
            // in one at a time.
            var items = this.element_.querySelectorAll('.' + this.CssClasses_.ITEM);
            for (var i = 0; i < items.length; i++) {
                var itemDelay = null;
                if (this.element_.classList.contains(this.CssClasses_.TOP_LEFT) || this.element_.classList.contains(this.CssClasses_.TOP_RIGHT)) {
                    itemDelay = (height - items[i].offsetTop - items[i].offsetHeight) / height * transitionDuration + 's';
                } else {
                    itemDelay = items[i].offsetTop / height * transitionDuration + 's';
                }
                items[i].style.transitionDelay = itemDelay;
            }
            // Apply the initial clip to the text before we start animating.
            this.applyClip_(height, width);
            // Wait for the next frame, turn on animation, and apply the final clip.
            // Also make it visible. This triggers the transitions.
            window.requestAnimationFrame(function () {
                this.element_.classList.add(this.CssClasses_.IS_ANIMATING);
                this.element_.style.clip = 'rect(0 ' + width + 'px ' + height + 'px 0)';
                this.container_.classList.add(this.CssClasses_.IS_VISIBLE);
            }.bind(this));
            // Clean up after the animation is complete.
            this.addAnimationEndListener_();
            // Add a click listener to the document, to close the menu.
            var callback = function (e) {
                // Check to see if the document is processing the same event that
                // displayed the menu in the first place. If so, do nothing.
                // Also check to see if the menu is in the process of closing itself, and
                // do nothing in that case.
                // Also check if the clicked element is a menu item
                // if so, do nothing.
                if (e !== evt && !this.closing_ && e.target.parentNode !== this.element_) {
                    document.removeEventListener('click', callback);
                    this.hide();
                }
            }.bind(this);
            document.addEventListener('click', callback);
        }
    };
    MaterialMenu.prototype['show'] = MaterialMenu.prototype.show;
    /**
     * Hides the menu.
     *
     * @public
     */
    MaterialMenu.prototype.hide = function () {
        if (this.element_ && this.container_ && this.outline_) {
            var items = this.element_.querySelectorAll('.' + this.CssClasses_.ITEM);
            // Remove all transition delays; menu items fade out concurrently.
            for (var i = 0; i < items.length; i++) {
                items[i].style.removeProperty('transition-delay');
            }
            // Measure the inner element.
            var rect = this.element_.getBoundingClientRect();
            var height = rect.height;
            var width = rect.width;
            // Turn on animation, and apply the final clip. Also make invisible.
            // This triggers the transitions.
            this.element_.classList.add(this.CssClasses_.IS_ANIMATING);
            this.applyClip_(height, width);
            this.container_.classList.remove(this.CssClasses_.IS_VISIBLE);
            // Clean up after the animation is complete.
            this.addAnimationEndListener_();
        }
    };
    MaterialMenu.prototype['hide'] = MaterialMenu.prototype.hide;
    /**
     * Displays or hides the menu, depending on current state.
     *
     * @public
     */
    MaterialMenu.prototype.toggle = function (evt) {
        if (this.container_.classList.contains(this.CssClasses_.IS_VISIBLE)) {
            this.hide();
        } else {
            this.show(evt);
        }
    };
    MaterialMenu.prototype['toggle'] = MaterialMenu.prototype.toggle;
// The component registers itself. It can assume componentHandler is available
// in the global scope.
    componentHandler.register({
        constructor: MaterialMenu,
        classAsString: 'MaterialMenu',
        cssClass: 'mdl-js-menu',
        widget: true
    });
    /**
     * @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 Progress MDL component.
     * Implements MDL component design pattern defined at:
     * https://github.com/jasonmayes/mdl-component-design-pattern
     *
     * @constructor
     * @param {HTMLElement} element The element that will be upgraded.
     */
    var MaterialProgress = function MaterialProgress(element) {
        this.element_ = element;
        // Initialize instance.
        this.init();
    };
    window['MaterialProgress'] = MaterialProgress;
    /**
     * Store constants in one place so they can be updated easily.
     *
     * @enum {string | number}
     * @private
     */
    MaterialProgress.prototype.Constant_ = {};
    /**
     * 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
     */
    MaterialProgress.prototype.CssClasses_ = {INDETERMINATE_CLASS: 'mdl-progress__indeterminate'};
    /**
     * Set the current progress of the progressbar.
     *
     * @param {number} p Percentage of the progress (0-100)
     * @public
     */
    MaterialProgress.prototype.setProgress = function (p) {
        if (this.element_.classList.contains(this.CssClasses_.INDETERMINATE_CLASS)) {
            return;
        }
        this.progressbar_.style.width = p + '%';
    };
    MaterialProgress.prototype['setProgress'] = MaterialProgress.prototype.setProgress;
    /**
     * Set the current progress of the buffer.
     *
     * @param {number} p Percentage of the buffer (0-100)
     * @public
     */
    MaterialProgress.prototype.setBuffer = function (p) {
        this.bufferbar_.style.width = p + '%';
        this.auxbar_.style.width = 100 - p + '%';
    };
    MaterialProgress.prototype['setBuffer'] = MaterialProgress.prototype.setBuffer;
    /**
     * Initialize element.
     */
    MaterialProgress.prototype.init = function () {
        if (this.element_) {
            var el = document.createElement('div');
            el.className = 'progressbar bar bar1';
            this.element_.appendChild(el);
            this.progressbar_ = el;
            el = document.createElement('div');
            el.className = 'bufferbar bar bar2';
            this.element_.appendChild(el);
            this.bufferbar_ = el;
            el = document.createElement('div');
            el.className = 'auxbar bar bar3';
            this.element_.appendChild(el);
            this.auxbar_ = el;
            this.progressbar_.style.width = '0%';
            this.bufferbar_.style.width = '100%';
            this.auxbar_.style.width = '0%';
            this.element_.classList.add('is-upgraded');
        }
    };
// The component registers itself. It can assume componentHandler is available
// in the global scope.
    componentHandler.register({
        constructor: MaterialProgress,
        classAsString: 'MaterialProgress',
        cssClass: 'mdl-js-progress',
        widget: true
    });
    /**
     * @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 Radio MDL component.
     * Implements MDL component design pattern defined at:
     * https://github.com/jasonmayes/mdl-component-design-pattern
     *
     * @constructor
     * @param {HTMLElement} element The element that will be upgraded.
     */
    var MaterialRadio = function MaterialRadio(element) {
        this.element_ = element;
        // Initialize instance.
        this.init();
    };
    window['MaterialRadio'] = MaterialRadio;
    /**
     * Store constants in one place so they can be updated easily.
     *
     * @enum {string | number}
     * @private
     */
    MaterialRadio.prototype.Constant_ = {TINY_TIMEOUT: 0.001};
    /**
     * 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
     */
    MaterialRadio.prototype.CssClasses_ = {
        IS_FOCUSED: 'is-focused',
        IS_DISABLED: 'is-disabled',
        IS_CHECKED: 'is-checked',
        IS_UPGRADED: 'is-upgraded',
        JS_RADIO: 'mdl-js-radio',
        RADIO_BTN: 'mdl-radio__button',
        RADIO_OUTER_CIRCLE: 'mdl-radio__outer-circle',
        RADIO_INNER_CIRCLE: 'mdl-radio__inner-circle',
        RIPPLE_EFFECT: 'mdl-js-ripple-effect',
        RIPPLE_IGNORE_EVENTS: 'mdl-js-ripple-effect--ignore-events',
        RIPPLE_CONTAINER: 'mdl-radio__ripple-container',
        RIPPLE_CENTER: 'mdl-ripple--center',
        RIPPLE: 'mdl-ripple'
    };
    /**
     * Handle change of state.
     *
     * @param {Event} event The event that fired.
     * @private
     */
    MaterialRadio.prototype.onChange_ = function (event) {
        // Since other radio buttons don't get change events, we need to look for
        // them to update their classes.
        var radios = document.getElementsByClassName(this.CssClasses_.JS_RADIO);
        for (var i = 0; i < radios.length; i++) {
            var button = radios[i].querySelector('.' + this.CssClasses_.RADIO_BTN);
            // Different name == different group, so no point updating those.
            if (button.getAttribute('name') === this.btnElement_.getAttribute('name')) {
                if (typeof radios[i]['MaterialRadio'] !== 'undefined') {
                    radios[i]['MaterialRadio'].updateClasses_();
                }
            }
        }
    };
    /**
     * Handle focus.
     *
     * @param {Event} event The event that fired.
     * @private
     */
    MaterialRadio.prototype.onFocus_ = function (event) {
        this.element_.classList.add(this.CssClasses_.IS_FOCUSED);
    };
    /**
     * Handle lost focus.
     *
     * @param {Event} event The event that fired.
     * @private
     */
    MaterialRadio.prototype.onBlur_ = function (event) {
        this.element_.classList.remove(this.CssClasses_.IS_FOCUSED);
    };
    /**
     * Handle mouseup.
     *
     * @param {Event} event The event that fired.
     * @private
     */
    MaterialRadio.prototype.onMouseup_ = function (event) {
        this.blur_();
    };
    /**
     * Update classes.
     *
     * @private
     */
    MaterialRadio.prototype.updateClasses_ = function () {
        this.checkDisabled();
        this.checkToggleState();
    };
    /**
     * Add blur.
     *
     * @private
     */
    MaterialRadio.prototype.blur_ = function () {
        // TODO: figure out why there's a focus event being fired after our blur,
        // so that we can avoid this hack.
        window.setTimeout(function () {
            this.btnElement_.blur();
        }.bind(this), this.Constant_.TINY_TIMEOUT);
    };
// Public methods.
    /**
     * Check the components disabled state.
     *
     * @public
     */
    MaterialRadio.prototype.checkDisabled = function () {
        if (this.btnElement_.disabled) {
            this.element_.classList.add(this.CssClasses_.IS_DISABLED);
        } else {
            this.element_.classList.remove(this.CssClasses_.IS_DISABLED);
        }
    };
    MaterialRadio.prototype['checkDisabled'] = MaterialRadio.prototype.checkDisabled;
    /**
     * Check the components toggled state.
     *
     * @public
     */
    MaterialRadio.prototype.checkToggleState = function () {
        if (this.btnElement_.checked) {
            this.element_.classList.add(this.CssClasses_.IS_CHECKED);
        } else {
            this.element_.classList.remove(this.CssClasses_.IS_CHECKED);
        }
    };
    MaterialRadio.prototype['checkToggleState'] = MaterialRadio.prototype.checkToggleState;
    /**
     * Disable radio.
     *
     * @public
     */
    MaterialRadio.prototype.disable = function () {
        this.btnElement_.disabled = true;
        this.updateClasses_();
    };
    MaterialRadio.prototype['disable'] = MaterialRadio.prototype.disable;
    /**
     * Enable radio.
     *
     * @public
     */
    MaterialRadio.prototype.enable = function () {
        this.btnElement_.disabled = false;
        this.updateClasses_();
    };
    MaterialRadio.prototype['enable'] = MaterialRadio.prototype.enable;
    /**
     * Check radio.
     *
     * @public
     */
    MaterialRadio.prototype.check = function () {
        this.btnElement_.checked = true;
        this.onChange_(null);
    };
    MaterialRadio.prototype['check'] = MaterialRadio.prototype.check;
    /**
     * Uncheck radio.
     *
     * @public
     */
    MaterialRadio.prototype.uncheck = function () {
        this.btnElement_.checked = false;
        this.onChange_(null);
    };
    MaterialRadio.prototype['uncheck'] = MaterialRadio.prototype.uncheck;
    /**
     * Initialize element.
     */
    MaterialRadio.prototype.init = function () {
        if (this.element_) {
            this.btnElement_ = this.element_.querySelector('.' + this.CssClasses_.RADIO_BTN);
            this.boundChangeHandler_ = this.onChange_.bind(this);
            this.boundFocusHandler_ = this.onChange_.bind(this);
            this.boundBlurHandler_ = this.onBlur_.bind(this);
            this.boundMouseUpHandler_ = this.onMouseup_.bind(this);
            var outerCircle = document.createElement('span');
            outerCircle.classList.add(this.CssClasses_.RADIO_OUTER_CIRCLE);
            var innerCircle = document.createElement('span');
            innerCircle.classList.add(this.CssClasses_.RADIO_INNER_CIRCLE);
            this.element_.appendChild(outerCircle);
            this.element_.appendChild(innerCircle);
            var rippleContainer;
            if (this.element_.classList.contains(this.CssClasses_.RIPPLE_EFFECT)) {
                this.element_.classList.add(this.CssClasses_.RIPPLE_IGNORE_EVENTS);
                rippleContainer = document.createElement('span');
                rippleContainer.classList.add(this.CssClasses_.RIPPLE_CONTAINER);
                rippleContainer.classList.add(this.CssClasses_.RIPPLE_EFFECT);
                rippleContainer.classList.add(this.CssClasses_.RIPPLE_CENTER);
                rippleContainer.addEventListener('mouseup', this.boundMouseUpHandler_);
                var ripple = document.createElement('span');
                ripple.classList.add(this.CssClasses_.RIPPLE);
                rippleContainer.appendChild(ripple);
                this.element_.appendChild(rippleContainer);
            }
            this.btnElement_.addEventListener('change', this.boundChangeHandler_);
            this.btnElement_.addEventListener('focus', this.boundFocusHandler_);
            this.btnElement_.addEventListener('blur', this.boundBlurHandler_);
            this.element_.addEventListener('mouseup', this.boundMouseUpHandler_);
            this.updateClasses_();
            this.element_.classList.add(this.CssClasses_.IS_UPGRADED);
        }
    };
// The component registers itself. It can assume componentHandler is available
// in the global scope.
    componentHandler.register({
        constructor: MaterialRadio,
        classAsString: 'MaterialRadio',
        cssClass: 'mdl-js-radio',
        widget: true
    });
    /**
     * @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 Slider MDL component.
     * Implements MDL component design pattern defined at:
     * https://github.com/jasonmayes/mdl-component-design-pattern
     *
     * @constructor
     * @param {HTMLElement} element The element that will be upgraded.
     */
    var MaterialSlider = function MaterialSlider(element) {
        this.element_ = element;
        // Browser feature detection.
        this.isIE_ = window.navigator.msPointerEnabled;
        // Initialize instance.
        this.init();
    };
    window['MaterialSlider'] = MaterialSlider;
    /**
     * Store constants in one place so they can be updated easily.
     *
     * @enum {string | number}
     * @private
     */
    MaterialSlider.prototype.Constant_ = {};
    /**
     * 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
     */
    MaterialSlider.prototype.CssClasses_ = {
        IE_CONTAINER: 'mdl-slider__ie-container',
        SLIDER_CONTAINER: 'mdl-slider__container',
        BACKGROUND_FLEX: 'mdl-slider__background-flex',
        BACKGROUND_LOWER: 'mdl-slider__background-lower',
        BACKGROUND_UPPER: 'mdl-slider__background-upper',
        IS_LOWEST_VALUE: 'is-lowest-value',
        IS_UPGRADED: 'is-upgraded'
    };
    /**
     * Handle input on element.
     *
     * @param {Event} event The event that fired.
     * @private
     */
    MaterialSlider.prototype.onInput_ = function (event) {
        this.updateValueStyles_();
    };
    /**
     * Handle change on element.
     *
     * @param {Event} event The event that fired.
     * @private
     */
    MaterialSlider.prototype.onChange_ = function (event) {
        this.updateValueStyles_();
    };
    /**
     * Handle mouseup on element.
     *
     * @param {Event} event The event that fired.
     * @private
     */
    MaterialSlider.prototype.onMouseUp_ = function (event) {
        event.target.blur();
    };
    /**
     * Handle mousedown on container element.
     * This handler is purpose is to not require the use to click
     * exactly on the 2px slider element, as FireFox seems to be very
     * strict about this.
     *
     * @param {Event} event The event that fired.
     * @private
     * @suppress {missingProperties}
     */
    MaterialSlider.prototype.onContainerMouseDown_ = function (event) {
        // If this click is not on the parent element (but rather some child)
        // ignore. It may still bubble up.
        if (event.target !== this.element_.parentElement) {
            return;
        }
        // Discard the original event and create a new event that
        // is on the slider element.
        event.preventDefault();
        var newEvent = new MouseEvent('mousedown', {
            target: event.target,
            buttons: event.buttons,
            clientX: event.clientX,
            clientY: this.element_.getBoundingClientRect().y
        });
        this.element_.dispatchEvent(newEvent);
    };
    /**
     * Handle updating of values.
     *
     * @private
     */
    MaterialSlider.prototype.updateValueStyles_ = function () {
        // Calculate and apply percentages to div structure behind slider.
        var fraction = (this.element_.value - this.element_.min) / (this.element_.max - this.element_.min);
        if (fraction === 0) {
            this.element_.classList.add(this.CssClasses_.IS_LOWEST_VALUE);
        } else {
            this.element_.classList.remove(this.CssClasses_.IS_LOWEST_VALUE);
        }
        if (!this.isIE_) {
            this.backgroundLower_.style.flex = fraction;
            this.backgroundLower_.style.webkitFlex = fraction;
            this.backgroundUpper_.style.flex = 1 - fraction;
            this.backgroundUpper_.style.webkitFlex = 1 - fraction;
        }
    };
// Public methods.
    /**
     * Disable slider.
     *
     * @public
     */
    MaterialSlider.prototype.disable = function () {
        this.element_.disabled = true;
    };
    MaterialSlider.prototype['disable'] = MaterialSlider.prototype.disable;
    /**
     * Enable slider.
     *
     * @public
     */
    MaterialSlider.prototype.enable = function () {
        this.element_.disabled = false;
    };
    MaterialSlider.prototype['enable'] = MaterialSlider.prototype.enable;
    /**
     * Update slider value.
     *
     * @param {number} value The value to which to set the control (optional).
     * @public
     */
    MaterialSlider.prototype.change = function (value) {
        if (typeof value !== 'undefined') {
            this.element_.value = value;
        }
        this.updateValueStyles_();
    };
    MaterialSlider.prototype['change'] = MaterialSlider.prototype.change;
    /**
     * Initialize element.
     */
    MaterialSlider.prototype.init = function () {
        if (this.element_) {
            if (this.isIE_) {
                // Since we need to specify a very large height in IE due to
                // implementation limitations, we add a parent here that trims it down to
                // a reasonable size.
                var containerIE = document.createElement('div');
                containerIE.classList.add(this.CssClasses_.IE_CONTAINER);
                this.element_.parentElement.insertBefore(containerIE, this.element_);
                this.element_.parentElement.removeChild(this.element_);
                containerIE.appendChild(this.element_);
            } else {
                // For non-IE browsers, we need a div structure that sits behind the
                // slider and allows us to style the left and right sides of it with
                // different colors.
                var container = document.createElement('div');
                container.classList.add(this.CssClasses_.SLIDER_CONTAINER);
                this.element_.parentElement.insertBefore(container, this.element_);
                this.element_.parentElement.removeChild(this.element_);
                container.appendChild(this.element_);
                var backgroundFlex = document.createElement('div');
                backgroundFlex.classList.add(this.CssClasses_.BACKGROUND_FLEX);
                container.appendChild(backgroundFlex);
                this.backgroundLower_ = document.createElement('div');
                this.backgroundLower_.classList.add(this.CssClasses_.BACKGROUND_LOWER);
                backgroundFlex.appendChild(this.backgroundLower_);
                this.backgroundUpper_ = document.createElement('div');
                this.backgroundUpper_.classList.add(this.CssClasses_.BACKGROUND_UPPER);
                backgroundFlex.appendChild(this.backgroundUpper_);
            }
            this.boundInputHandler = this.onInput_.bind(this);
            this.boundChangeHandler = this.onChange_.bind(this);
            this.boundMouseUpHandler = this.onMouseUp_.bind(this);
            this.boundContainerMouseDownHandler = this.onContainerMouseDown_.bind(this);
            this.element_.addEventListener('input', this.boundInputHandler);
            this.element_.addEventListener('change', this.boundChangeHandler);
            this.element_.addEventListener('mouseup', this.boundMouseUpHandler);
            this.element_.parentElement.addEventListener('mousedown', this.boundContainerMouseDownHandler);
            this.updateValueStyles_();
            this.element_.classList.add(this.CssClasses_.IS_UPGRADED);
        }
    };
// The component registers itself. It can assume componentHandler is available
// in the global scope.
    componentHandler.register({
        constructor: MaterialSlider,
        classAsString: 'MaterialSlider',
        cssClass: 'mdl-js-slider',
        widget: true
    });
    /**
     * 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 Snackbar MDL component.
     * Implements MDL component design pattern defined at:
     * https://github.com/jasonmayes/mdl-component-design-pattern
     *
     * @constructor
     * @param {HTMLElement} element The element that will be upgraded.
     */
    var MaterialSnackbar = function MaterialSnackbar(element) {
        this.element_ = element;
        this.textElement_ = this.element_.querySelector('.' + this.cssClasses_.MESSAGE);
        this.actionElement_ = this.element_.querySelector('.' + this.cssClasses_.ACTION);
        if (!this.textElement_) {
            throw new Error('There must be a message element for a snackbar.');
        }
        if (!this.actionElement_) {
            throw new Error('There must be an action element for a snackbar.');
        }
        this.active = false;
        this.actionHandler_ = undefined;
        this.message_ = undefined;
        this.actionText_ = undefined;
        this.queuedNotifications_ = [];
        this.setActionHidden_(true);
    };
    window['MaterialSnackbar'] = MaterialSnackbar;
    /**
     * Store constants in one place so they can be updated easily.
     *
     * @enum {string | number}
     * @private
     */
    MaterialSnackbar.prototype.Constant_ = {
        // The duration of the snackbar show/hide animation, in ms.
        ANIMATION_LENGTH: 250
    };
    /**
     * 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
     */
    MaterialSnackbar.prototype.cssClasses_ = {
        SNACKBAR: 'mdl-snackbar',
        MESSAGE: 'mdl-snackbar__text',
        ACTION: 'mdl-snackbar__action',
        ACTIVE: 'mdl-snackbar--active'
    };
    /**
     * Display the snackbar.
     *
     * @private
     */
    MaterialSnackbar.prototype.displaySnackbar_ = function () {
        this.element_.setAttribute('aria-hidden', 'true');
        if (this.actionHandler_) {
            this.actionElement_.textContent = this.actionText_;
            this.actionElement_.addEventListener('click', this.actionHandler_);
            this.setActionHidden_(false);
        }
        this.textElement_.textContent = this.message_;
        this.element_.classList.add(this.cssClasses_.ACTIVE);
        this.element_.setAttribute('aria-hidden', 'false');
        setTimeout(this.cleanup_.bind(this), this.timeout_);
    };
    /**
     * Show the snackbar.
     *
     * @param {Object} data The data for the notification.
     * @public
     */
    MaterialSnackbar.prototype.showSnackbar = function (data) {
        if (data === undefined) {
            throw new Error('Please provide a data object with at least a message to display.');
        }
        if (data['message'] === undefined) {
            throw new Error('Please provide a message to be displayed.');
        }
        if (data['actionHandler'] && !data['actionText']) {
            throw new Error('Please provide action text with the handler.');
        }
        if (this.active) {
            this.queuedNotifications_.push(data);
        } else {
            this.active = true;
            this.message_ = data['message'];
            if (data['timeout']) {
                this.timeout_ = data['timeout'];
            } else {
                this.timeout_ = 2750;
            }
            if (data['actionHandler']) {
                this.actionHandler_ = data['actionHandler'];
            }
            if (data['actionText']) {
                this.actionText_ = data['actionText'];
            }
            this.displaySnackbar_();
        }
    };
    MaterialSnackbar.prototype['showSnackbar'] = MaterialSnackbar.prototype.showSnackbar;
    /**
     * Check if the queue has items within it.
     * If it does, display the next entry.
     *
     * @private
     */
    MaterialSnackbar.prototype.checkQueue_ = function () {
        if (this.queuedNotifications_.length > 0) {
            this.showSnackbar(this.queuedNotifications_.shift());
        }
    };
    /**
     * Cleanup the snackbar event listeners and accessiblity attributes.
     *
     * @private
     */
    MaterialSnackbar.prototype.cleanup_ = function () {
        this.element_.classList.remove(this.cssClasses_.ACTIVE);
        setTimeout(function () {
            this.element_.setAttribute('aria-hidden', 'true');
            this.textElement_.textContent = '';
            if (!Boolean(this.actionElement_.getAttribute('aria-hidden'))) {
                this.setActionHidden_(true);
                this.actionElement_.textContent = '';
                this.actionElement_.removeEventListener('click', this.actionHandler_);
            }
            this.actionHandler_ = undefined;
            this.message_ = undefined;
            this.actionText_ = undefined;
            this.active = false;
            this.checkQueue_();
        }.bind(this), this.Constant_.ANIMATION_LENGTH);
    };
    /**
     * Set the action handler hidden state.
     *
     * @param {boolean} value
     * @private
     */
    MaterialSnackbar.prototype.setActionHidden_ = function (value) {
        if (value) {
            this.actionElement_.setAttribute('aria-hidden', 'true');
        } else {
            this.actionElement_.removeAttribute('aria-hidden');
        }
    };
// The component registers itself. It can assume componentHandler is available
// in the global scope.
    componentHandler.register({
        constructor: MaterialSnackbar,
        classAsString: 'MaterialSnackbar',
        cssClass: 'mdl-js-snackbar',
        widget: true
    });
    /**
     * @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 Spinner 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.
     * @constructor
     */
    var MaterialSpinner = function MaterialSpinner(element) {
        this.element_ = element;
        // Initialize instance.
        this.init();
    };
    window['MaterialSpinner'] = MaterialSpinner;
    /**
     * Store constants in one place so they can be updated easily.
     *
     * @enum {string | number}
     * @private
     */
    MaterialSpinner.prototype.Constant_ = {MDL_SPINNER_LAYER_COUNT: 4};
    /**
     * 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
     */
    MaterialSpinner.prototype.CssClasses_ = {
        MDL_SPINNER_LAYER: 'mdl-spinner__layer',
        MDL_SPINNER_CIRCLE_CLIPPER: 'mdl-spinner__circle-clipper',
        MDL_SPINNER_CIRCLE: 'mdl-spinner__circle',
        MDL_SPINNER_GAP_PATCH: 'mdl-spinner__gap-patch',
        MDL_SPINNER_LEFT: 'mdl-spinner__left',
        MDL_SPINNER_RIGHT: 'mdl-spinner__right'
    };
    /**
     * Auxiliary method to create a spinner layer.
     *
     * @param {number} index Index of the layer to be created.
     * @public
     */
    MaterialSpinner.prototype.createLayer = function (index) {
        var layer = document.createElement('div');
        layer.classList.add(this.CssClasses_.MDL_SPINNER_LAYER);
        layer.classList.add(this.CssClasses_.MDL_SPINNER_LAYER + '-' + index);
        var leftClipper = document.createElement('div');
        leftClipper.classList.add(this.CssClasses_.MDL_SPINNER_CIRCLE_CLIPPER);
        leftClipper.classList.add(this.CssClasses_.MDL_SPINNER_LEFT);
        var gapPatch = document.createElement('div');
        gapPatch.classList.add(this.CssClasses_.MDL_SPINNER_GAP_PATCH);
        var rightClipper = document.createElement('div');
        rightClipper.classList.add(this.CssClasses_.MDL_SPINNER_CIRCLE_CLIPPER);
        rightClipper.classList.add(this.CssClasses_.MDL_SPINNER_RIGHT);
        var circleOwners = [
            leftClipper,
            gapPatch,
            rightClipper
        ];
        for (var i = 0; i < circleOwners.length; i++) {
            var circle = document.createElement('div');
            circle.classList.add(this.CssClasses_.MDL_SPINNER_CIRCLE);
            circleOwners[i].appendChild(circle);
        }
        layer.appendChild(leftClipper);
        layer.appendChild(gapPatch);
        layer.appendChild(rightClipper);
        this.element_.appendChild(layer);
    };
    MaterialSpinner.prototype['createLayer'] = MaterialSpinner.prototype.createLayer;
    /**
     * Stops the spinner animation.
     * Public method for users who need to stop the spinner for any reason.
     *
     * @public
     */
    MaterialSpinner.prototype.stop = function () {
        this.element_.classList.remove('is-active');
    };
    MaterialSpinner.prototype['stop'] = MaterialSpinner.prototype.stop;
    /**
     * Starts the spinner animation.
     * Public method for users who need to manually start the spinner for any reason
     * (instead of just adding the 'is-active' class to their markup).
     *
     * @public
     */
    MaterialSpinner.prototype.start = function () {
        this.element_.classList.add('is-active');
    };
    MaterialSpinner.prototype['start'] = MaterialSpinner.prototype.start;
    /**
     * Initialize element.
     */
    MaterialSpinner.prototype.init = function () {
        if (this.element_) {
            for (var i = 1; i <= this.Constant_.MDL_SPINNER_LAYER_COUNT; i++) {
                this.createLayer(i);
            }
            this.element_.classList.add('is-upgraded');
        }
    };
// The component registers itself. It can assume componentHandler is available
// in the global scope.
    componentHandler.register({
        constructor: MaterialSpinner,
        classAsString: 'MaterialSpinner',
        cssClass: 'mdl-js-spinner',
        widget: true
    });
    /**
     * @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 Checkbox MDL component.
     * Implements MDL component design pattern defined at:
     * https://github.com/jasonmayes/mdl-component-design-pattern
     *
     * @constructor
     * @param {HTMLElement} element The element that will be upgraded.
     */
    var MaterialSwitch = function MaterialSwitch(element) {
        this.element_ = element;
        // Initialize instance.
        this.init();
    };
    window['MaterialSwitch'] = MaterialSwitch;
    /**
     * Store constants in one place so they can be updated easily.
     *
     * @enum {string | number}
     * @private
     */
    MaterialSwitch.prototype.Constant_ = {TINY_TIMEOUT: 0.001};
    /**
     * 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
     */
    MaterialSwitch.prototype.CssClasses_ = {
        INPUT: 'mdl-switch__input',
        TRACK: 'mdl-switch__track',
        THUMB: 'mdl-switch__thumb',
        FOCUS_HELPER: 'mdl-switch__focus-helper',
        RIPPLE_EFFECT: 'mdl-js-ripple-effect',
        RIPPLE_IGNORE_EVENTS: 'mdl-js-ripple-effect--ignore-events',
        RIPPLE_CONTAINER: 'mdl-switch__ripple-container',
        RIPPLE_CENTER: 'mdl-ripple--center',
        RIPPLE: 'mdl-ripple',
        IS_FOCUSED: 'is-focused',
        IS_DISABLED: 'is-disabled',
        IS_CHECKED: 'is-checked'
    };
    /**
     * Handle change of state.
     *
     * @param {Event} event The event that fired.
     * @private
     */
    MaterialSwitch.prototype.onChange_ = function (event) {
        this.updateClasses_();
    };
    /**
     * Handle focus of element.
     *
     * @param {Event} event The event that fired.
     * @private
     */
    MaterialSwitch.prototype.onFocus_ = function (event) {
        this.element_.classList.add(this.CssClasses_.IS_FOCUSED);
    };
    /**
     * Handle lost focus of element.
     *
     * @param {Event} event The event that fired.
     * @private
     */
    MaterialSwitch.prototype.onBlur_ = function (event) {
        this.element_.classList.remove(this.CssClasses_.IS_FOCUSED);
    };
    /**
     * Handle mouseup.
     *
     * @param {Event} event The event that fired.
     * @private
     */
    MaterialSwitch.prototype.onMouseUp_ = function (event) {
        this.blur_();
    };
    /**
     * Handle class updates.
     *
     * @private
     */
    MaterialSwitch.prototype.updateClasses_ = function () {
        this.checkDisabled();
        this.checkToggleState();
    };
    /**
     * Add blur.
     *
     * @private
     */
    MaterialSwitch.prototype.blur_ = function () {
        // TODO: figure out why there's a focus event being fired after our blur,
        // so that we can avoid this hack.
        window.setTimeout(function () {
            this.inputElement_.blur();
        }.bind(this), this.Constant_.TINY_TIMEOUT);
    };
// Public methods.
    /**
     * Check the components disabled state.
     *
     * @public
     */
    MaterialSwitch.prototype.checkDisabled = function () {
        if (this.inputElement_.disabled) {
            this.element_.classList.add(this.CssClasses_.IS_DISABLED);
        } else {
            this.element_.classList.remove(this.CssClasses_.IS_DISABLED);
        }
    };
    MaterialSwitch.prototype['checkDisabled'] = MaterialSwitch.prototype.checkDisabled;
    /**
     * Check the components toggled state.
     *
     * @public
     */
    MaterialSwitch.prototype.checkToggleState = function () {
        if (this.inputElement_.checked) {
            this.element_.classList.add(this.CssClasses_.IS_CHECKED);
        } else {
            this.element_.classList.remove(this.CssClasses_.IS_CHECKED);
        }
    };
    MaterialSwitch.prototype['checkToggleState'] = MaterialSwitch.prototype.checkToggleState;
    /**
     * Disable switch.
     *
     * @public
     */
    MaterialSwitch.prototype.disable = function () {
        this.inputElement_.disabled = true;
        this.updateClasses_();
    };
    MaterialSwitch.prototype['disable'] = MaterialSwitch.prototype.disable;
    /**
     * Enable switch.
     *
     * @public
     */
    MaterialSwitch.prototype.enable = function () {
        this.inputElement_.disabled = false;
        this.updateClasses_();
    };
    MaterialSwitch.prototype['enable'] = MaterialSwitch.prototype.enable;
    /**
     * Activate switch.
     *
     * @public
     */
    MaterialSwitch.prototype.on = function () {
        this.inputElement_.checked = true;
        this.updateClasses_();
    };
    MaterialSwitch.prototype['on'] = MaterialSwitch.prototype.on;
    /**
     * Deactivate switch.
     *
     * @public
     */
    MaterialSwitch.prototype.off = function () {
        this.inputElement_.checked = false;
        this.updateClasses_();
    };
    MaterialSwitch.prototype['off'] = MaterialSwitch.prototype.off;
    /**
     * Initialize element.
     */
    MaterialSwitch.prototype.init = function () {
        if (this.element_) {
            this.inputElement_ = this.element_.querySelector('.' + this.CssClasses_.INPUT);
            var track = document.createElement('div');
            track.classList.add(this.CssClasses_.TRACK);
            var thumb = document.createElement('div');
            thumb.classList.add(this.CssClasses_.THUMB);
            var focusHelper = document.createElement('span');
            focusHelper.classList.add(this.CssClasses_.FOCUS_HELPER);
            thumb.appendChild(focusHelper);
            this.element_.appendChild(track);
            this.element_.appendChild(thumb);
            this.boundMouseUpHandler = this.onMouseUp_.bind(this);
            if (this.element_.classList.contains(this.CssClasses_.RIPPLE_EFFECT)) {
                this.element_.classList.add(this.CssClasses_.RIPPLE_IGNORE_EVENTS);
                this.rippleContainerElement_ = document.createElement('span');
                this.rippleContainerElement_.classList.add(this.CssClasses_.RIPPLE_CONTAINER);
                this.rippleContainerElement_.classList.add(this.CssClasses_.RIPPLE_EFFECT);
                this.rippleContainerElement_.classList.add(this.CssClasses_.RIPPLE_CENTER);
                this.rippleContainerElement_.addEventListener('mouseup', this.boundMouseUpHandler);
                var ripple = document.createElement('span');
                ripple.classList.add(this.CssClasses_.RIPPLE);
                this.rippleContainerElement_.appendChild(ripple);
                this.element_.appendChild(this.rippleContainerElement_);
            }
            this.boundChangeHandler = this.onChange_.bind(this);
            this.boundFocusHandler = this.onFocus_.bind(this);
            this.boundBlurHandler = this.onBlur_.bind(this);
            this.inputElement_.addEventListener('change', this.boundChangeHandler);
            this.inputElement_.addEventListener('focus', this.boundFocusHandler);
            this.inputElement_.addEventListener('blur', this.boundBlurHandler);
            this.element_.addEventListener('mouseup', this.boundMouseUpHandler);
            this.updateClasses_();
            this.element_.classList.add('is-upgraded');
        }
    };
// The component registers itself. It can assume componentHandler is available
// in the global scope.
    componentHandler.register({
        constructor: MaterialSwitch,
        classAsString: 'MaterialSwitch',
        cssClass: 'mdl-js-switch',
        widget: true
    });
    /**
     * @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 Tabs MDL component.
     * Implements MDL component design pattern defined at:
     * https://github.com/jasonmayes/mdl-component-design-pattern
     *
     * @constructor
     * @param {Element} element The element that will be upgraded.
     */
    var MaterialTabs = function MaterialTabs(element) {
        // Stores the HTML element.
        this.element_ = element;
        // Initialize instance.
        this.init();
    };
    window['MaterialTabs'] = MaterialTabs;
    /**
     * Store constants in one place so they can be updated easily.
     *
     * @enum {string}
     * @private
     */
    MaterialTabs.prototype.Constant_ = {};
    /**
     * 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
     */
    MaterialTabs.prototype.CssClasses_ = {
        TAB_CLASS: 'mdl-tabs__tab',
        PANEL_CLASS: 'mdl-tabs__panel',
        ACTIVE_CLASS: 'is-active',
        UPGRADED_CLASS: 'is-upgraded',
        MDL_JS_RIPPLE_EFFECT: 'mdl-js-ripple-effect',
        MDL_RIPPLE_CONTAINER: 'mdl-tabs__ripple-container',
        MDL_RIPPLE: 'mdl-ripple',
        MDL_JS_RIPPLE_EFFECT_IGNORE_EVENTS: 'mdl-js-ripple-effect--ignore-events'
    };
    /**
     * Handle clicks to a tabs component
     *
     * @private
     */
    MaterialTabs.prototype.initTabs_ = function () {
        if (this.element_.classList.contains(this.CssClasses_.MDL_JS_RIPPLE_EFFECT)) {
            this.element_.classList.add(this.CssClasses_.MDL_JS_RIPPLE_EFFECT_IGNORE_EVENTS);
        }
        // Select element tabs, document panels
        this.tabs_ = this.element_.querySelectorAll('.' + this.CssClasses_.TAB_CLASS);
        this.panels_ = this.element_.querySelectorAll('.' + this.CssClasses_.PANEL_CLASS);
        // Create new tabs for each tab element
        for (var i = 0; i < this.tabs_.length; i++) {
            new MaterialTab(this.tabs_[i], this);
        }
        this.element_.classList.add(this.CssClasses_.UPGRADED_CLASS);
    };
    /**
     * Reset tab state, dropping active classes
     *
     * @private
     */
    MaterialTabs.prototype.resetTabState_ = function () {
        for (var k = 0; k < this.tabs_.length; k++) {
            this.tabs_[k].classList.remove(this.CssClasses_.ACTIVE_CLASS);
        }
    };
    /**
     * Reset panel state, droping active classes
     *
     * @private
     */
    MaterialTabs.prototype.resetPanelState_ = function () {
        for (var j = 0; j < this.panels_.length; j++) {
            this.panels_[j].classList.remove(this.CssClasses_.ACTIVE_CLASS);
        }
    };
    /**
     * Initialize element.
     */
    MaterialTabs.prototype.init = function () {
        if (this.element_) {
            this.initTabs_();
        }
    };

    /**
     * Constructor for an individual tab.
     *
     * @constructor
     * @param {Element} tab The HTML element for the tab.
     * @param {MaterialTabs} ctx The MaterialTabs object that owns the tab.
     */
    function MaterialTab(tab, ctx) {
        if (tab) {
            if (ctx.element_.classList.contains(ctx.CssClasses_.MDL_JS_RIPPLE_EFFECT)) {
                var rippleContainer = document.createElement('span');
                rippleContainer.classList.add(ctx.CssClasses_.MDL_RIPPLE_CONTAINER);
                rippleContainer.classList.add(ctx.CssClasses_.MDL_JS_RIPPLE_EFFECT);
                var ripple = document.createElement('span');
                ripple.classList.add(ctx.CssClasses_.MDL_RIPPLE);
                rippleContainer.appendChild(ripple);
                tab.appendChild(rippleContainer);
            }
            tab.addEventListener('click', function (e) {
                if (tab.getAttribute('href').charAt(0) === '#') {
                    e.preventDefault();
                    var href = tab.href.split('#')[1];
                    var panel = ctx.element_.querySelector('#' + href);
                    ctx.resetTabState_();
                    ctx.resetPanelState_();
                    tab.classList.add(ctx.CssClasses_.ACTIVE_CLASS);
                    panel.classList.add(ctx.CssClasses_.ACTIVE_CLASS);
                }
            });
        }
    }

// The component registers itself. It can assume componentHandler is available
// in the global scope.
    componentHandler.register({
        constructor: MaterialTabs,
        classAsString: 'MaterialTabs',
        cssClass: 'mdl-js-tabs'
    });
    /**
     * @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 Textfield MDL component.
     * Implements MDL component design pattern defined at:
     * https://github.com/jasonmayes/mdl-component-design-pattern
     *
     * @constructor
     * @param {HTMLElement} element The element that will be upgraded.
     */
    var MaterialTextfield = function MaterialTextfield(element) {
        this.element_ = element;
        this.maxRows = this.Constant_.NO_MAX_ROWS;
        // Initialize instance.
        this.init();
    };
    window['MaterialTextfield'] = MaterialTextfield;
    /**
     * Store constants in one place so they can be updated easily.
     *
     * @enum {string | number}
     * @private
     */
    MaterialTextfield.prototype.Constant_ = {
        NO_MAX_ROWS: -1,
        MAX_ROWS_ATTRIBUTE: 'maxrows'
    };
    /**
     * 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
     */
    MaterialTextfield.prototype.CssClasses_ = {
        LABEL: 'mdl-textfield__label',
        INPUT: 'mdl-textfield__input',
        IS_DIRTY: 'is-dirty',
        IS_FOCUSED: 'is-focused',
        IS_DISABLED: 'is-disabled',
        IS_INVALID: 'is-invalid',
        IS_UPGRADED: 'is-upgraded',
        HAS_PLACEHOLDER: 'has-placeholder'
    };
    /**
     * Handle input being entered.
     *
     * @param {Event} event The event that fired.
     * @private
     */
    MaterialTextfield.prototype.onKeyDown_ = function (event) {
        var currentRowCount = event.target.value.split('\n').length;
        if (event.keyCode === 13) {
            if (currentRowCount >= this.maxRows) {
                event.preventDefault();
            }
        }
    };
    /**
     * Handle focus.
     *
     * @param {Event} event The event that fired.
     * @private
     */
    MaterialTextfield.prototype.onFocus_ = function (event) {
        this.element_.classList.add(this.CssClasses_.IS_FOCUSED);
    };
    /**
     * Handle lost focus.
     *
     * @param {Event} event The event that fired.
     * @private
     */
    MaterialTextfield.prototype.onBlur_ = function (event) {
        this.element_.classList.remove(this.CssClasses_.IS_FOCUSED);
    };
    /**
     * Handle reset event from out side.
     *
     * @param {Event} event The event that fired.
     * @private
     */
    MaterialTextfield.prototype.onReset_ = function (event) {
        this.updateClasses_();
    };
    /**
     * Handle class updates.
     *
     * @private
     */
    MaterialTextfield.prototype.updateClasses_ = function () {
        this.checkDisabled();
        this.checkValidity();
        this.checkDirty();
        this.checkFocus();
    };
// Public methods.
    /**
     * Check the disabled state and update field accordingly.
     *
     * @public
     */
    MaterialTextfield.prototype.checkDisabled = function () {
        if (this.input_.disabled) {
            this.element_.classList.add(this.CssClasses_.IS_DISABLED);
        } else {
            this.element_.classList.remove(this.CssClasses_.IS_DISABLED);
        }
    };
    MaterialTextfield.prototype['checkDisabled'] = MaterialTextfield.prototype.checkDisabled;
    /**
     * Check the focus state and update field accordingly.
     *
     * @public
     */
    MaterialTextfield.prototype.checkFocus = function () {
        if (Boolean(this.element_.querySelector(':focus'))) {
            this.element_.classList.add(this.CssClasses_.IS_FOCUSED);
        } else {
            this.element_.classList.remove(this.CssClasses_.IS_FOCUSED);
        }
    };
    MaterialTextfield.prototype['checkFocus'] = MaterialTextfield.prototype.checkFocus;
    /**
     * Check the validity state and update field accordingly.
     *
     * @public
     */
    MaterialTextfield.prototype.checkValidity = function () {
        if (this.input_.validity) {
            if (this.input_.validity.valid) {
                this.element_.classList.remove(this.CssClasses_.IS_INVALID);
            } else {
                this.element_.classList.add(this.CssClasses_.IS_INVALID);
            }
        }
    };
    MaterialTextfield.prototype['checkValidity'] = MaterialTextfield.prototype.checkValidity;
    /**
     * Check the dirty state and update field accordingly.
     *
     * @public
     */
    MaterialTextfield.prototype.checkDirty = function () {
        if (this.input_.value && this.input_.value.length > 0) {
            this.element_.classList.add(this.CssClasses_.IS_DIRTY);
        } else {
            this.element_.classList.remove(this.CssClasses_.IS_DIRTY);
        }
    };
    MaterialTextfield.prototype['checkDirty'] = MaterialTextfield.prototype.checkDirty;
    /**
     * Disable text field.
     *
     * @public
     */
    MaterialTextfield.prototype.disable = function () {
        this.input_.disabled = true;
        this.updateClasses_();
    };
    MaterialTextfield.prototype['disable'] = MaterialTextfield.prototype.disable;
    /**
     * Enable text field.
     *
     * @public
     */
    MaterialTextfield.prototype.enable = function () {
        this.input_.disabled = false;
        this.updateClasses_();
    };
    MaterialTextfield.prototype['enable'] = MaterialTextfield.prototype.enable;
    /**
     * Update text field value.
     *
     * @param {string} value The value to which to set the control (optional).
     * @public
     */
    MaterialTextfield.prototype.change = function (value) {
        this.input_.value = value || '';
        this.updateClasses_();
    };
    MaterialTextfield.prototype['change'] = MaterialTextfield.prototype.change;
    /**
     * Initialize element.
     */
    MaterialTextfield.prototype.init = function () {
        if (this.element_) {
            this.label_ = this.element_.querySelector('.' + this.CssClasses_.LABEL);
            this.input_ = this.element_.querySelector('.' + this.CssClasses_.INPUT);
            if (this.input_) {
                if (this.input_.hasAttribute(this.Constant_.MAX_ROWS_ATTRIBUTE)) {
                    this.maxRows = parseInt(this.input_.getAttribute(this.Constant_.MAX_ROWS_ATTRIBUTE), 10);
                    if (isNaN(this.maxRows)) {
                        this.maxRows = this.Constant_.NO_MAX_ROWS;
                    }
                }
                if (this.input_.hasAttribute('placeholder')) {
                    this.element_.classList.add(this.CssClasses_.HAS_PLACEHOLDER);
                }
                this.boundUpdateClassesHandler = this.updateClasses_.bind(this);
                this.boundFocusHandler = this.onFocus_.bind(this);
                this.boundBlurHandler = this.onBlur_.bind(this);
                this.boundResetHandler = this.onReset_.bind(this);
                this.input_.addEventListener('input', this.boundUpdateClassesHandler);
                this.input_.addEventListener('focus', this.boundFocusHandler);
                this.input_.addEventListener('blur', this.boundBlurHandler);
                this.input_.addEventListener('reset', this.boundResetHandler);
                if (this.maxRows !== this.Constant_.NO_MAX_ROWS) {
                    // TODO: This should handle pasting multi line text.
                    // Currently doesn't.
                    this.boundKeyDownHandler = this.onKeyDown_.bind(this);
                    this.input_.addEventListener('keydown', this.boundKeyDownHandler);
                }
                var invalid = this.element_.classList.contains(this.CssClasses_.IS_INVALID);
                this.updateClasses_();
                this.element_.classList.add(this.CssClasses_.IS_UPGRADED);
                if (invalid) {
                    this.element_.classList.add(this.CssClasses_.IS_INVALID);
                }
                if (this.input_.hasAttribute('autofocus')) {
                    this.element_.focus();
                    this.checkFocus();
                }
            }
        }
    };
// The component registers itself. It can assume componentHandler is available
// in the global scope.
    componentHandler.register({
        constructor: MaterialTextfield,
        classAsString: 'MaterialTextfield',
        cssClass: 'mdl-js-textfield',
        widget: true
    });
    /**
     * @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 Tooltip MDL component.
     * Implements MDL component design pattern defined at:
     * https://github.com/jasonmayes/mdl-component-design-pattern
     *
     * @constructor
     * @param {HTMLElement} element The element that will be upgraded.
     */
    var MaterialTooltip = function MaterialTooltip(element) {
        this.element_ = element;
        // Initialize instance.
        this.init();
    };
    window['MaterialTooltip'] = MaterialTooltip;
    /**
     * Store constants in one place so they can be updated easily.
     *
     * @enum {string | number}
     * @private
     */
    MaterialTooltip.prototype.Constant_ = {};
    /**
     * 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
     */
    MaterialTooltip.prototype.CssClasses_ = {
        IS_ACTIVE: 'is-active',
        BOTTOM: 'mdl-tooltip--bottom',
        LEFT: 'mdl-tooltip--left',
        RIGHT: 'mdl-tooltip--right',
        TOP: 'mdl-tooltip--top'
    };
    /**
     * Handle mouseenter for tooltip.
     *
     * @param {Event} event The event that fired.
     * @private
     */
    MaterialTooltip.prototype.handleMouseEnter_ = function (event) {
        var props = event.target.getBoundingClientRect();
        var left = props.left + props.width / 2;
        var top = props.top + props.height / 2;
        var marginLeft = -1 * (this.element_.offsetWidth / 2);
        var marginTop = -1 * (this.element_.offsetHeight / 2);
        if (this.element_.classList.contains(this.CssClasses_.LEFT) || this.element_.classList.contains(this.CssClasses_.RIGHT)) {
            left = props.width / 2;
            if (top + marginTop < 0) {
                this.element_.style.top = '0';
                this.element_.style.marginTop = '0';
            } else {
                this.element_.style.top = top + 'px';
                this.element_.style.marginTop = marginTop + 'px';
            }
        } else {
            if (left + marginLeft < 0) {
                this.element_.style.left = '0';
                this.element_.style.marginLeft = '0';
            } else {
                this.element_.style.left = left + 'px';
                this.element_.style.marginLeft = marginLeft + 'px';
            }
        }
        if (this.element_.classList.contains(this.CssClasses_.TOP)) {
            this.element_.style.top = props.top - this.element_.offsetHeight - 10 + 'px';
        } else if (this.element_.classList.contains(this.CssClasses_.RIGHT)) {
            this.element_.style.left = props.left + props.width + 10 + 'px';
        } else if (this.element_.classList.contains(this.CssClasses_.LEFT)) {
            this.element_.style.left = props.left - this.element_.offsetWidth - 10 + 'px';
        } else {
            this.element_.style.top = props.top + props.height + 10 + 'px';
        }
        this.element_.classList.add(this.CssClasses_.IS_ACTIVE);
    };
    /**
     * Hide tooltip on mouseleave or scroll
     *
     * @private
     */
    MaterialTooltip.prototype.hideTooltip_ = function () {
        this.element_.classList.remove(this.CssClasses_.IS_ACTIVE);
    };
    /**
     * Initialize element.
     */
    MaterialTooltip.prototype.init = function () {
        if (this.element_) {
            var forElId = this.element_.getAttribute('for') || this.element_.getAttribute('data-mdl-for');
            if (forElId) {
                this.forElement_ = document.getElementById(forElId);
            }
            if (this.forElement_) {
                // It's left here because it prevents accidental text selection on Android
                if (!this.forElement_.hasAttribute('tabindex')) {
                    this.forElement_.setAttribute('tabindex', '0');
                }
                this.boundMouseEnterHandler = this.handleMouseEnter_.bind(this);
                this.boundMouseLeaveAndScrollHandler = this.hideTooltip_.bind(this);
                this.forElement_.addEventListener('mouseenter', this.boundMouseEnterHandler, false);
                this.forElement_.addEventListener('touchend', this.boundMouseEnterHandler, false);
                this.forElement_.addEventListener('mouseleave', this.boundMouseLeaveAndScrollHandler, false);
                window.addEventListener('scroll', this.boundMouseLeaveAndScrollHandler, true);
                window.addEventListener('touchstart', this.boundMouseLeaveAndScrollHandler);
            }
        }
    };
// The component registers itself. It can assume componentHandler is available
// in the global scope.
    componentHandler.register({
        constructor: MaterialTooltip,
        classAsString: 'MaterialTooltip',
        cssClass: 'mdl-tooltip'
    });
    /**
     * @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 Layout MDL component.
     * Implements MDL component design pattern defined at:
     * https://github.com/jasonmayes/mdl-component-design-pattern
     *
     * @constructor
     * @param {HTMLElement} element The element that will be upgraded.
     */
    var MaterialLayout = function MaterialLayout(element) {
        this.element_ = element;
        // Initialize instance.
        this.init();
    };
    window['MaterialLayout'] = MaterialLayout;
    /**
     * Store constants in one place so they can be updated easily.
     *
     * @enum {string | number}
     * @private
     */
    MaterialLayout.prototype.Constant_ = {
        MAX_WIDTH: '(max-width: 1024px)',
        TAB_SCROLL_PIXELS: 100,
        RESIZE_TIMEOUT: 100,
        MENU_ICON: '&#xE5D2;',
        CHEVRON_LEFT: 'chevron_left',
        CHEVRON_RIGHT: 'chevron_right'
    };
    /**
     * Keycodes, for code readability.
     *
     * @enum {number}
     * @private
     */
    MaterialLayout.prototype.Keycodes_ = {
        ENTER: 13,
        ESCAPE: 27,
        SPACE: 32
    };
    /**
     * Modes.
     *
     * @enum {number}
     * @private
     */
    MaterialLayout.prototype.Mode_ = {
        STANDARD: 0,
        SEAMED: 1,
        WATERFALL: 2,
        SCROLL: 3
    };
    /**
     * 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
     */
    MaterialLayout.prototype.CssClasses_ = {
        CONTAINER: 'mdl-layout__container',
        HEADER: 'mdl-layout__header',
        DRAWER: 'mdl-layout__drawer',
        CONTENT: 'mdl-layout__content',
        DRAWER_BTN: 'mdl-layout__drawer-button',
        ICON: 'material-icons',
        JS_RIPPLE_EFFECT: 'mdl-js-ripple-effect',
        RIPPLE_CONTAINER: 'mdl-layout__tab-ripple-container',
        RIPPLE: 'mdl-ripple',
        RIPPLE_IGNORE_EVENTS: 'mdl-js-ripple-effect--ignore-events',
        HEADER_SEAMED: 'mdl-layout__header--seamed',
        HEADER_WATERFALL: 'mdl-layout__header--waterfall',
        HEADER_SCROLL: 'mdl-layout__header--scroll',
        FIXED_HEADER: 'mdl-layout--fixed-header',
        OBFUSCATOR: 'mdl-layout__obfuscator',
        TAB_BAR: 'mdl-layout__tab-bar',
        TAB_CONTAINER: 'mdl-layout__tab-bar-container',
        TAB: 'mdl-layout__tab',
        TAB_BAR_BUTTON: 'mdl-layout__tab-bar-button',
        TAB_BAR_LEFT_BUTTON: 'mdl-layout__tab-bar-left-button',
        TAB_BAR_RIGHT_BUTTON: 'mdl-layout__tab-bar-right-button',
        TAB_MANUAL_SWITCH: 'mdl-layout__tab-manual-switch',
        PANEL: 'mdl-layout__tab-panel',
        HAS_DRAWER: 'has-drawer',
        HAS_TABS: 'has-tabs',
        HAS_SCROLLING_HEADER: 'has-scrolling-header',
        CASTING_SHADOW: 'is-casting-shadow',
        IS_COMPACT: 'is-compact',
        IS_SMALL_SCREEN: 'is-small-screen',
        IS_DRAWER_OPEN: 'is-visible',
        IS_ACTIVE: 'is-active',
        IS_UPGRADED: 'is-upgraded',
        IS_ANIMATING: 'is-animating',
        ON_LARGE_SCREEN: 'mdl-layout--large-screen-only',
        ON_SMALL_SCREEN: 'mdl-layout--small-screen-only'
    };
    /**
     * Handles scrolling on the content.
     *
     * @private
     */
    MaterialLayout.prototype.contentScrollHandler_ = function () {
        if (this.header_.classList.contains(this.CssClasses_.IS_ANIMATING)) {
            return;
        }
        var headerVisible = !this.element_.classList.contains(this.CssClasses_.IS_SMALL_SCREEN) || this.element_.classList.contains(this.CssClasses_.FIXED_HEADER);
        if (this.content_.scrollTop > 0 && !this.header_.classList.contains(this.CssClasses_.IS_COMPACT)) {
            this.header_.classList.add(this.CssClasses_.CASTING_SHADOW);
            this.header_.classList.add(this.CssClasses_.IS_COMPACT);
            if (headerVisible) {
                this.header_.classList.add(this.CssClasses_.IS_ANIMATING);
            }
        } else if (this.content_.scrollTop <= 0 && this.header_.classList.contains(this.CssClasses_.IS_COMPACT)) {
            this.header_.classList.remove(this.CssClasses_.CASTING_SHADOW);
            this.header_.classList.remove(this.CssClasses_.IS_COMPACT);
            if (headerVisible) {
                this.header_.classList.add(this.CssClasses_.IS_ANIMATING);
            }
        }
    };
    /**
     * Handles a keyboard event on the drawer.
     *
     * @param {Event} evt The event that fired.
     * @private
     */
    MaterialLayout.prototype.keyboardEventHandler_ = function (evt) {
        // Only react when the drawer is open.
        if (evt.keyCode === this.Keycodes_.ESCAPE && this.drawer_.classList.contains(this.CssClasses_.IS_DRAWER_OPEN)) {
            this.toggleDrawer();
        }
    };
    /**
     * Handles changes in screen size.
     *
     * @private
     */
    MaterialLayout.prototype.screenSizeHandler_ = function () {
        if (this.screenSizeMediaQuery_.matches) {
            this.element_.classList.add(this.CssClasses_.IS_SMALL_SCREEN);
        } else {
            this.element_.classList.remove(this.CssClasses_.IS_SMALL_SCREEN);
            // Collapse drawer (if any) when moving to a large screen size.
            if (this.drawer_) {
                this.drawer_.classList.remove(this.CssClasses_.IS_DRAWER_OPEN);
                this.obfuscator_.classList.remove(this.CssClasses_.IS_DRAWER_OPEN);
            }
        }
    };
    /**
     * Handles events of drawer button.
     *
     * @param {Event} evt The event that fired.
     * @private
     */
    MaterialLayout.prototype.drawerToggleHandler_ = function (evt) {
        if (evt && evt.type === 'keydown') {
            if (evt.keyCode === this.Keycodes_.SPACE || evt.keyCode === this.Keycodes_.ENTER) {
                // prevent scrolling in drawer nav
                evt.preventDefault();
            } else {
                // prevent other keys
                return;
            }
        }
        this.toggleDrawer();
    };
    /**
     * Handles (un)setting the `is-animating` class
     *
     * @private
     */
    MaterialLayout.prototype.headerTransitionEndHandler_ = function () {
        this.header_.classList.remove(this.CssClasses_.IS_ANIMATING);
    };
    /**
     * Handles expanding the header on click
     *
     * @private
     */
    MaterialLayout.prototype.headerClickHandler_ = function () {
        if (this.header_.classList.contains(this.CssClasses_.IS_COMPACT)) {
            this.header_.classList.remove(this.CssClasses_.IS_COMPACT);
            this.header_.classList.add(this.CssClasses_.IS_ANIMATING);
        }
    };
    /**
     * Reset tab state, dropping active classes
     *
     * @private
     */
    MaterialLayout.prototype.resetTabState_ = function (tabBar) {
        for (var k = 0; k < tabBar.length; k++) {
            tabBar[k].classList.remove(this.CssClasses_.IS_ACTIVE);
        }
    };
    /**
     * Reset panel state, droping active classes
     *
     * @private
     */
    MaterialLayout.prototype.resetPanelState_ = function (panels) {
        for (var j = 0; j < panels.length; j++) {
            panels[j].classList.remove(this.CssClasses_.IS_ACTIVE);
        }
    };
    /**
     * Toggle drawer state
     *
     * @public
     */
    MaterialLayout.prototype.toggleDrawer = function () {
        var drawerButton = this.element_.querySelector('.' + this.CssClasses_.DRAWER_BTN);
        this.drawer_.classList.toggle(this.CssClasses_.IS_DRAWER_OPEN);
        this.obfuscator_.classList.toggle(this.CssClasses_.IS_DRAWER_OPEN);
        // Set accessibility properties.
        if (this.drawer_.classList.contains(this.CssClasses_.IS_DRAWER_OPEN)) {
            this.drawer_.setAttribute('aria-hidden', 'false');
            drawerButton.setAttribute('aria-expanded', 'true');
        } else {
            this.drawer_.setAttribute('aria-hidden', 'true');
            drawerButton.setAttribute('aria-expanded', 'false');
        }
    };
    MaterialLayout.prototype['toggleDrawer'] = MaterialLayout.prototype.toggleDrawer;
    /**
     * Initialize element.
     */
    MaterialLayout.prototype.init = function () {
        if (this.element_) {
            var container = document.createElement('div');
            container.classList.add(this.CssClasses_.CONTAINER);
            var focusedElement = this.element_.querySelector(':focus');
            this.element_.parentElement.insertBefore(container, this.element_);
            this.element_.parentElement.removeChild(this.element_);
            container.appendChild(this.element_);
            if (focusedElement) {
                focusedElement.focus();
            }
            var directChildren = this.element_.childNodes;
            var numChildren = directChildren.length;
            for (var c = 0; c < numChildren; c++) {
                var child = directChildren[c];
                if (child.classList && child.classList.contains(this.CssClasses_.HEADER)) {
                    this.header_ = child;
                }
                if (child.classList && child.classList.contains(this.CssClasses_.DRAWER)) {
                    this.drawer_ = child;
                }
                if (child.classList && child.classList.contains(this.CssClasses_.CONTENT)) {
                    this.content_ = child;
                }
            }
            window.addEventListener('pageshow', function (e) {
                if (e.persisted) {
                    // when page is loaded from back/forward cache
                    // trigger repaint to let layout scroll in safari
                    this.element_.style.overflowY = 'hidden';
                    requestAnimationFrame(function () {
                        this.element_.style.overflowY = '';
                    }.bind(this));
                }
            }.bind(this), false);
            if (this.header_) {
                this.tabBar_ = this.header_.querySelector('.' + this.CssClasses_.TAB_BAR);
            }
            var mode = this.Mode_.STANDARD;
            if (this.header_) {
                if (this.header_.classList.contains(this.CssClasses_.HEADER_SEAMED)) {
                    mode = this.Mode_.SEAMED;
                } else if (this.header_.classList.contains(this.CssClasses_.HEADER_WATERFALL)) {
                    mode = this.Mode_.WATERFALL;
                    this.header_.addEventListener('transitionend', this.headerTransitionEndHandler_.bind(this));
                    this.header_.addEventListener('click', this.headerClickHandler_.bind(this));
                } else if (this.header_.classList.contains(this.CssClasses_.HEADER_SCROLL)) {
                    mode = this.Mode_.SCROLL;
                    container.classList.add(this.CssClasses_.HAS_SCROLLING_HEADER);
                }
                if (mode === this.Mode_.STANDARD) {
                    this.header_.classList.add(this.CssClasses_.CASTING_SHADOW);
                    if (this.tabBar_) {
                        this.tabBar_.classList.add(this.CssClasses_.CASTING_SHADOW);
                    }
                } else if (mode === this.Mode_.SEAMED || mode === this.Mode_.SCROLL) {
                    this.header_.classList.remove(this.CssClasses_.CASTING_SHADOW);
                    if (this.tabBar_) {
                        this.tabBar_.classList.remove(this.CssClasses_.CASTING_SHADOW);
                    }
                } else if (mode === this.Mode_.WATERFALL) {
                    // Add and remove shadows depending on scroll position.
                    // Also add/remove auxiliary class for styling of the compact version of
                    // the header.
                    this.content_.addEventListener('scroll', this.contentScrollHandler_.bind(this));
                    this.contentScrollHandler_();
                }
            }
            // Add drawer toggling button to our layout, if we have an openable drawer.
            if (this.drawer_) {
                var drawerButton = this.element_.querySelector('.' + this.CssClasses_.DRAWER_BTN);
                if (!drawerButton) {
                    drawerButton = document.createElement('div');
                    drawerButton.setAttribute('aria-expanded', 'false');
                    drawerButton.setAttribute('role', 'button');
                    drawerButton.setAttribute('tabindex', '0');
                    drawerButton.classList.add(this.CssClasses_.DRAWER_BTN);
                    var drawerButtonIcon = document.createElement('i');
                    drawerButtonIcon.classList.add(this.CssClasses_.ICON);
                    drawerButtonIcon.innerHTML = this.Constant_.MENU_ICON;
                    drawerButton.appendChild(drawerButtonIcon);
                }
                if (this.drawer_.classList.contains(this.CssClasses_.ON_LARGE_SCREEN)) {
                    //If drawer has ON_LARGE_SCREEN class then add it to the drawer toggle button as well.
                    drawerButton.classList.add(this.CssClasses_.ON_LARGE_SCREEN);
                } else if (this.drawer_.classList.contains(this.CssClasses_.ON_SMALL_SCREEN)) {
                    //If drawer has ON_SMALL_SCREEN class then add it to the drawer toggle button as well.
                    drawerButton.classList.add(this.CssClasses_.ON_SMALL_SCREEN);
                }
                drawerButton.addEventListener('click', this.drawerToggleHandler_.bind(this));
                drawerButton.addEventListener('keydown', this.drawerToggleHandler_.bind(this));
                // Add a class if the layout has a drawer, for altering the left padding.
                // Adds the HAS_DRAWER to the elements since this.header_ may or may
                // not be present.
                this.element_.classList.add(this.CssClasses_.HAS_DRAWER);
                // If we have a fixed header, add the button to the header rather than
                // the layout.
                if (this.element_.classList.contains(this.CssClasses_.FIXED_HEADER)) {
                    this.header_.insertBefore(drawerButton, this.header_.firstChild);
                } else {
                    this.element_.insertBefore(drawerButton, this.content_);
                }
                var obfuscator = document.createElement('div');
                obfuscator.classList.add(this.CssClasses_.OBFUSCATOR);
                this.element_.appendChild(obfuscator);
                obfuscator.addEventListener('click', this.drawerToggleHandler_.bind(this));
                this.obfuscator_ = obfuscator;
                this.drawer_.addEventListener('keydown', this.keyboardEventHandler_.bind(this));
                this.drawer_.setAttribute('aria-hidden', 'true');
            }
            // Keep an eye on screen size, and add/remove auxiliary class for styling
            // of small screens.
            this.screenSizeMediaQuery_ = window.matchMedia(this.Constant_.MAX_WIDTH);
            this.screenSizeMediaQuery_.addListener(this.screenSizeHandler_.bind(this));
            this.screenSizeHandler_();
            // Initialize tabs, if any.
            if (this.header_ && this.tabBar_) {
                this.element_.classList.add(this.CssClasses_.HAS_TABS);
                var tabContainer = document.createElement('div');
                tabContainer.classList.add(this.CssClasses_.TAB_CONTAINER);
                this.header_.insertBefore(tabContainer, this.tabBar_);
                this.header_.removeChild(this.tabBar_);
                var leftButton = document.createElement('div');
                leftButton.classList.add(this.CssClasses_.TAB_BAR_BUTTON);
                leftButton.classList.add(this.CssClasses_.TAB_BAR_LEFT_BUTTON);
                var leftButtonIcon = document.createElement('i');
                leftButtonIcon.classList.add(this.CssClasses_.ICON);
                leftButtonIcon.textContent = this.Constant_.CHEVRON_LEFT;
                leftButton.appendChild(leftButtonIcon);
                leftButton.addEventListener('click', function () {
                    this.tabBar_.scrollLeft -= this.Constant_.TAB_SCROLL_PIXELS;
                }.bind(this));
                var rightButton = document.createElement('div');
                rightButton.classList.add(this.CssClasses_.TAB_BAR_BUTTON);
                rightButton.classList.add(this.CssClasses_.TAB_BAR_RIGHT_BUTTON);
                var rightButtonIcon = document.createElement('i');
                rightButtonIcon.classList.add(this.CssClasses_.ICON);
                rightButtonIcon.textContent = this.Constant_.CHEVRON_RIGHT;
                rightButton.appendChild(rightButtonIcon);
                rightButton.addEventListener('click', function () {
                    this.tabBar_.scrollLeft += this.Constant_.TAB_SCROLL_PIXELS;
                }.bind(this));
                tabContainer.appendChild(leftButton);
                tabContainer.appendChild(this.tabBar_);
                tabContainer.appendChild(rightButton);
                // Add and remove tab buttons depending on scroll position and total
                // window size.
                var tabUpdateHandler = function () {
                    if (this.tabBar_.scrollLeft > 0) {
                        leftButton.classList.add(this.CssClasses_.IS_ACTIVE);
                    } else {
                        leftButton.classList.remove(this.CssClasses_.IS_ACTIVE);
                    }
                    if (this.tabBar_.scrollLeft < this.tabBar_.scrollWidth - this.tabBar_.offsetWidth) {
                        rightButton.classList.add(this.CssClasses_.IS_ACTIVE);
                    } else {
                        rightButton.classList.remove(this.CssClasses_.IS_ACTIVE);
                    }
                }.bind(this);
                this.tabBar_.addEventListener('scroll', tabUpdateHandler);
                tabUpdateHandler();
                // Update tabs when the window resizes.
                var windowResizeHandler = function () {
                    // Use timeouts to make sure it doesn't happen too often.
                    if (this.resizeTimeoutId_) {
                        clearTimeout(this.resizeTimeoutId_);
                    }
                    this.resizeTimeoutId_ = setTimeout(function () {
                        tabUpdateHandler();
                        this.resizeTimeoutId_ = null;
                    }.bind(this), this.Constant_.RESIZE_TIMEOUT);
                }.bind(this);
                window.addEventListener('resize', windowResizeHandler);
                if (this.tabBar_.classList.contains(this.CssClasses_.JS_RIPPLE_EFFECT)) {
                    this.tabBar_.classList.add(this.CssClasses_.RIPPLE_IGNORE_EVENTS);
                }
                // Select element tabs, document panels
                var tabs = this.tabBar_.querySelectorAll('.' + this.CssClasses_.TAB);
                var panels = this.content_.querySelectorAll('.' + this.CssClasses_.PANEL);
                // Create new tabs for each tab element
                for (var i = 0; i < tabs.length; i++) {
                    new MaterialLayoutTab(tabs[i], tabs, panels, this);
                }
            }
            this.element_.classList.add(this.CssClasses_.IS_UPGRADED);
        }
    };

    /**
     * Constructor for an individual tab.
     *
     * @constructor
     * @param {HTMLElement} tab The HTML element for the tab.
     * @param {!Array<HTMLElement>} tabs Array with HTML elements for all tabs.
     * @param {!Array<HTMLElement>} panels Array with HTML elements for all panels.
     * @param {MaterialLayout} layout The MaterialLayout object that owns the tab.
     */
    function MaterialLayoutTab(tab, tabs, panels, layout) {
        /**
         * Auxiliary method to programmatically select a tab in the UI.
         */
        function selectTab() {
            var href = tab.href.split('#')[1];
            var panel = layout.content_.querySelector('#' + href);
            layout.resetTabState_(tabs);
            layout.resetPanelState_(panels);
            tab.classList.add(layout.CssClasses_.IS_ACTIVE);
            panel.classList.add(layout.CssClasses_.IS_ACTIVE);
        }

        if (layout.tabBar_.classList.contains(layout.CssClasses_.JS_RIPPLE_EFFECT)) {
            var rippleContainer = document.createElement('span');
            rippleContainer.classList.add(layout.CssClasses_.RIPPLE_CONTAINER);
            rippleContainer.classList.add(layout.CssClasses_.JS_RIPPLE_EFFECT);
            var ripple = document.createElement('span');
            ripple.classList.add(layout.CssClasses_.RIPPLE);
            rippleContainer.appendChild(ripple);
            tab.appendChild(rippleContainer);
        }
        if (!layout.tabBar_.classList.contains(layout.CssClasses_.TAB_MANUAL_SWITCH)) {
            tab.addEventListener('click', function (e) {
                if (tab.getAttribute('href').charAt(0) === '#') {
                    e.preventDefault();
                    selectTab();
                }
            });
        }
        tab.show = selectTab;
    }

    window['MaterialLayoutTab'] = MaterialLayoutTab;
// The component registers itself. It can assume componentHandler is available
// in the global scope.
    componentHandler.register({
        constructor: MaterialLayout,
        classAsString: 'MaterialLayout',
        cssClass: 'mdl-js-layout'
    });
    /**
     * @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 Data Table Card MDL component.
     * Implements MDL component design pattern defined at:
     * https://github.com/jasonmayes/mdl-component-design-pattern
     *
     * @constructor
     * @param {Element} element The element that will be upgraded.
     */
    var MaterialDataTable = function MaterialDataTable(element) {
        this.element_ = element;
        // Initialize instance.
        this.init();
    };
    window['MaterialDataTable'] = MaterialDataTable;
    /**
     * Store constants in one place so they can be updated easily.
     *
     * @enum {string | number}
     * @private
     */
    MaterialDataTable.prototype.Constant_ = {};
    /**
     * 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
     */
    MaterialDataTable.prototype.CssClasses_ = {
        DATA_TABLE: 'mdl-data-table',
        SELECTABLE: 'mdl-data-table--selectable',
        SELECT_ELEMENT: 'mdl-data-table__select',
        IS_SELECTED: 'is-selected',
        IS_UPGRADED: 'is-upgraded'
    };
    /**
     * Generates and returns a function that toggles the selection state of a
     * single row (or multiple rows).
     *
     * @param {Element} checkbox Checkbox that toggles the selection state.
     * @param {Element} row Row to toggle when checkbox changes.
     * @param {(Array<Object>|NodeList)=} opt_rows Rows to toggle when checkbox changes.
     * @private
     */
    MaterialDataTable.prototype.selectRow_ = function (checkbox, row, opt_rows) {
        if (row) {
            return function () {
                if (checkbox.checked) {
                    row.classList.add(this.CssClasses_.IS_SELECTED);
                } else {
                    row.classList.remove(this.CssClasses_.IS_SELECTED);
                }
            }.bind(this);
        }
        if (opt_rows) {
            return function () {
                var i;
                var el;
                if (checkbox.checked) {
                    for (i = 0; i < opt_rows.length; i++) {
                        el = opt_rows[i].querySelector('td').querySelector('.mdl-checkbox');
                        el['MaterialCheckbox'].check();
                        opt_rows[i].classList.add(this.CssClasses_.IS_SELECTED);
                    }
                } else {
                    for (i = 0; i < opt_rows.length; i++) {
                        el = opt_rows[i].querySelector('td').querySelector('.mdl-checkbox');
                        el['MaterialCheckbox'].uncheck();
                        opt_rows[i].classList.remove(this.CssClasses_.IS_SELECTED);
                    }
                }
            }.bind(this);
        }
    };
    /**
     * Creates a checkbox for a single or or multiple rows and hooks up the
     * event handling.
     *
     * @param {Element} row Row to toggle when checkbox changes.
     * @param {(Array<Object>|NodeList)=} opt_rows Rows to toggle when checkbox changes.
     * @private
     */
    MaterialDataTable.prototype.createCheckbox_ = function (row, opt_rows) {
        var label = document.createElement('label');
        var labelClasses = [
            'mdl-checkbox',
            'mdl-js-checkbox',
            'mdl-js-ripple-effect',
            this.CssClasses_.SELECT_ELEMENT
        ];
        label.className = labelClasses.join(' ');
        var checkbox = document.createElement('input');
        checkbox.type = 'checkbox';
        checkbox.classList.add('mdl-checkbox__input');
        if (row) {
            checkbox.checked = row.classList.contains(this.CssClasses_.IS_SELECTED);
            checkbox.addEventListener('change', this.selectRow_(checkbox, row));
        } else if (opt_rows) {
            checkbox.addEventListener('change', this.selectRow_(checkbox, null, opt_rows));
        }
        label.appendChild(checkbox);
        componentHandler.upgradeElement(label, 'MaterialCheckbox');
        return label;
    };
    /**
     * Initialize element.
     */
    MaterialDataTable.prototype.init = function () {
        if (this.element_) {
            var firstHeader = this.element_.querySelector('th');
            var bodyRows = Array.prototype.slice.call(this.element_.querySelectorAll('tbody tr'));
            var footRows = Array.prototype.slice.call(this.element_.querySelectorAll('tfoot tr'));
            var rows = bodyRows.concat(footRows);
            if (this.element_.classList.contains(this.CssClasses_.SELECTABLE)) {
                var th = document.createElement('th');
                var headerCheckbox = this.createCheckbox_(null, rows);
                th.appendChild(headerCheckbox);
                firstHeader.parentElement.insertBefore(th, firstHeader);
                for (var i = 0; i < rows.length; i++) {
                    var firstCell = rows[i].querySelector('td');
                    if (firstCell) {
                        var td = document.createElement('td');
                        if (rows[i].parentNode.nodeName.toUpperCase() === 'TBODY') {
                            var rowCheckbox = this.createCheckbox_(rows[i]);
                            td.appendChild(rowCheckbox);
                        }
                        rows[i].insertBefore(td, firstCell);
                    }
                }
                this.element_.classList.add(this.CssClasses_.IS_UPGRADED);
            }
        }
    };
// The component registers itself. It can assume componentHandler is available
// in the global scope.
    componentHandler.register({
        constructor: MaterialDataTable,
        classAsString: 'MaterialDataTable',
        cssClass: 'mdl-js-data-table'
    });
    /**
     * @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 Ripple MDL component.
     * Implements MDL component design pattern defined at:
     * https://github.com/jasonmayes/mdl-component-design-pattern
     *
     * @constructor
     * @param {HTMLElement} element The element that will be upgraded.
     */
    var MaterialRipple = function MaterialRipple(element) {
        this.element_ = element;
        // Initialize instance.
        this.init();
    };
    window['MaterialRipple'] = MaterialRipple;
    /**
     * Store constants in one place so they can be updated easily.
     *
     * @enum {string | number}
     * @private
     */
    MaterialRipple.prototype.Constant_ = {
        INITIAL_SCALE: 'scale(0.0001, 0.0001)',
        INITIAL_SIZE: '1px',
        INITIAL_OPACITY: '0.4',
        FINAL_OPACITY: '0',
        FINAL_SCALE: ''
    };
    /**
     * 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
     */
    MaterialRipple.prototype.CssClasses_ = {
        RIPPLE_CENTER: 'mdl-ripple--center',
        RIPPLE_EFFECT_IGNORE_EVENTS: 'mdl-js-ripple-effect--ignore-events',
        RIPPLE: 'mdl-ripple',
        IS_ANIMATING: 'is-animating',
        IS_VISIBLE: 'is-visible'
    };
    /**
     * Handle mouse / finger down on element.
     *
     * @param {Event} event The event that fired.
     * @private
     */
    MaterialRipple.prototype.downHandler_ = function (event) {
        if (!this.rippleElement_.style.width && !this.rippleElement_.style.height) {
            var rect = this.element_.getBoundingClientRect();
            this.boundHeight = rect.height;
            this.boundWidth = rect.width;
            this.rippleSize_ = Math.sqrt(rect.width * rect.width + rect.height * rect.height) * 2 + 2;
            this.rippleElement_.style.width = this.rippleSize_ + 'px';
            this.rippleElement_.style.height = this.rippleSize_ + 'px';
        }
        this.rippleElement_.classList.add(this.CssClasses_.IS_VISIBLE);
        if (event.type === 'mousedown' && this.ignoringMouseDown_) {
            this.ignoringMouseDown_ = false;
        } else {
            if (event.type === 'touchstart') {
                this.ignoringMouseDown_ = true;
            }
            var frameCount = this.getFrameCount();
            if (frameCount > 0) {
                return;
            }
            this.setFrameCount(1);
            var bound = event.currentTarget.getBoundingClientRect();
            var x;
            var y;
            // Check if we are handling a keyboard click.
            if (event.clientX === 0 && event.clientY === 0) {
                x = Math.round(bound.width / 2);
                y = Math.round(bound.height / 2);
            } else {
                var clientX = event.clientX !== undefined ? event.clientX : event.touches[0].clientX;
                var clientY = event.clientY !== undefined ? event.clientY : event.touches[0].clientY;
                x = Math.round(clientX - bound.left);
                y = Math.round(clientY - bound.top);
            }
            this.setRippleXY(x, y);
            this.setRippleStyles(true);
            window.requestAnimationFrame(this.animFrameHandler.bind(this));
        }
    };
    /**
     * Handle mouse / finger up on element.
     *
     * @param {Event} event The event that fired.
     * @private
     */
    MaterialRipple.prototype.upHandler_ = function (event) {
        // Don't fire for the artificial "mouseup" generated by a double-click.
        if (event && event.detail !== 2) {
            // Allow a repaint to occur before removing this class, so the animation
            // shows for tap events, which seem to trigger a mouseup too soon after
            // mousedown.
            window.setTimeout(function () {
                this.rippleElement_.classList.remove(this.CssClasses_.IS_VISIBLE);
            }.bind(this), 0);
        }
    };
    /**
     * Initialize element.
     */
    MaterialRipple.prototype.init = function () {
        if (this.element_) {
            var recentering = this.element_.classList.contains(this.CssClasses_.RIPPLE_CENTER);
            if (!this.element_.classList.contains(this.CssClasses_.RIPPLE_EFFECT_IGNORE_EVENTS)) {
                this.rippleElement_ = this.element_.querySelector('.' + this.CssClasses_.RIPPLE);
                this.frameCount_ = 0;
                this.rippleSize_ = 0;
                this.x_ = 0;
                this.y_ = 0;
                // Touch start produces a compat mouse down event, which would cause a
                // second ripples. To avoid that, we use this property to ignore the first
                // mouse down after a touch start.
                this.ignoringMouseDown_ = false;
                this.boundDownHandler = this.downHandler_.bind(this);
                this.element_.addEventListener('mousedown', this.boundDownHandler);
                this.element_.addEventListener('touchstart', this.boundDownHandler);
                this.boundUpHandler = this.upHandler_.bind(this);
                this.element_.addEventListener('mouseup', this.boundUpHandler);
                this.element_.addEventListener('mouseleave', this.boundUpHandler);
                this.element_.addEventListener('touchend', this.boundUpHandler);
                this.element_.addEventListener('blur', this.boundUpHandler);
                /**
                 * Getter for frameCount_.
                 * @return {number} the frame count.
                 */
                this.getFrameCount = function () {
                    return this.frameCount_;
                };
                /**
                 * Setter for frameCount_.
                 * @param {number} fC the frame count.
                 */
                this.setFrameCount = function (fC) {
                    this.frameCount_ = fC;
                };
                /**
                 * Getter for rippleElement_.
                 * @return {Element} the ripple element.
                 */
                this.getRippleElement = function () {
                    return this.rippleElement_;
                };
                /**
                 * Sets the ripple X and Y coordinates.
                 * @param  {number} newX the new X coordinate
                 * @param  {number} newY the new Y coordinate
                 */
                this.setRippleXY = function (newX, newY) {
                    this.x_ = newX;
                    this.y_ = newY;
                };
                /**
                 * Sets the ripple styles.
                 * @param  {boolean} start whether or not this is the start frame.
                 */
                this.setRippleStyles = function (start) {
                    if (this.rippleElement_ !== null) {
                        var transformString;
                        var scale;
                        var size;
                        var offset = 'translate(' + this.x_ + 'px, ' + this.y_ + 'px)';
                        if (start) {
                            scale = this.Constant_.INITIAL_SCALE;
                            size = this.Constant_.INITIAL_SIZE;
                        } else {
                            scale = this.Constant_.FINAL_SCALE;
                            size = this.rippleSize_ + 'px';
                            if (recentering) {
                                offset = 'translate(' + this.boundWidth / 2 + 'px, ' + this.boundHeight / 2 + 'px)';
                            }
                        }
                        transformString = 'translate(-50%, -50%) ' + offset + scale;
                        this.rippleElement_.style.webkitTransform = transformString;
                        this.rippleElement_.style.msTransform = transformString;
                        this.rippleElement_.style.transform = transformString;
                        if (start) {
                            this.rippleElement_.classList.remove(this.CssClasses_.IS_ANIMATING);
                        } else {
                            this.rippleElement_.classList.add(this.CssClasses_.IS_ANIMATING);
                        }
                    }
                };
                /**
                 * Handles an animation frame.
                 */
                this.animFrameHandler = function () {
                    if (this.frameCount_-- > 0) {
                        window.requestAnimationFrame(this.animFrameHandler.bind(this));
                    } else {
                        this.setRippleStyles(false);
                    }
                };
            }
        }
    };
// The component registers itself. It can assume componentHandler is available
// in the global scope.
    componentHandler.register({
        constructor: MaterialRipple,
        classAsString: 'MaterialRipple',
        cssClass: 'mdl-js-ripple-effect',
        widget: false
    });
}());