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Wrap tooltip in IIFE
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Surma
parent
538dd92e84
commit
58c564efc4
@ -15,132 +15,136 @@
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* limitations under the License.
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*/
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/**
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* Class constructor for Tooltip MDL component.
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* Implements MDL component design pattern defined at:
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* https://github.com/jasonmayes/mdl-component-design-pattern
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* @param {HTMLElement} element The element that will be upgraded.
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*/
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function MaterialTooltip(element) {
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(function() {
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'use strict';
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this.element_ = element;
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/**
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* Class constructor for Tooltip MDL component.
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* Implements MDL component design pattern defined at:
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* https://github.com/jasonmayes/mdl-component-design-pattern
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*
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* @param {HTMLElement} element The element that will be upgraded.
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*/
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var MaterialTooltip = function MaterialTooltip(element) {
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this.element_ = element;
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// Initialize instance.
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this.init();
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}
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// Initialize instance.
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this.init();
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};
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window.MaterialTooltip = MaterialTooltip;
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/**
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* Store constants in one place so they can be updated easily.
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* @enum {string | number}
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* @private
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*/
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MaterialTooltip.prototype.Constant_ = {
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// None for now.
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};
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/**
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* Store constants in one place so they can be updated easily.
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*
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* @enum {String | Number}
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* @private
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*/
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MaterialTooltip.prototype.Constant_ = {
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// None for now.
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};
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/**
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* Store strings for class names defined by this component that are used in
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* JavaScript. This allows us to simply change it in one place should we
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* decide to modify at a later date.
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* @enum {string}
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* @private
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*/
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MaterialTooltip.prototype.CssClasses_ = {
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IS_ACTIVE: 'is-active'
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};
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/**
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* Store strings for class names defined by this component that are used in
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* JavaScript. This allows us to simply change it in one place should we
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* decide to modify at a later date.
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*
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* @enum {String}
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* @private
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*/
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MaterialTooltip.prototype.CssClasses_ = {
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IS_ACTIVE: 'is-active'
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};
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/**
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* Handle mouseenter for tooltip.
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* @param {Event} event The event that fired.
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* @private
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*/
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MaterialTooltip.prototype.handleMouseEnter_ = function(event) {
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'use strict';
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/**
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* Handle mouseenter for tooltip.
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*
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* @param {Event} event The event that fired.
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* @private
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*/
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MaterialTooltip.prototype.handleMouseEnter_ = function(event) {
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event.stopPropagation();
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var props = event.target.getBoundingClientRect();
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var left = props.left + (props.width / 2);
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var marginLeft = -1 * (this.element_.offsetWidth / 2);
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event.stopPropagation();
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var props = event.target.getBoundingClientRect();
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var left = props.left + (props.width / 2);
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var marginLeft = -1 * (this.element_.offsetWidth / 2);
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if (left + marginLeft < 0) {
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this.element_.style.left = 0;
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this.element_.style.marginLeft = 0;
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} else {
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this.element_.style.left = left + 'px';
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this.element_.style.marginLeft = marginLeft + 'px';
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}
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this.element_.style.top = props.top + props.height + 10 + 'px';
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this.element_.classList.add(this.CssClasses_.IS_ACTIVE);
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window.addEventListener('scroll', this.boundMouseLeaveHandler, false);
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window.addEventListener('touchmove', this.boundMouseLeaveHandler, false);
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};
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/**
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* Handle mouseleave for tooltip.
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* @param {Event} event The event that fired.
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* @private
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*/
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MaterialTooltip.prototype.handleMouseLeave_ = function(event) {
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'use strict';
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event.stopPropagation();
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this.element_.classList.remove(this.CssClasses_.IS_ACTIVE);
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window.removeEventListener('scroll', this.boundMouseLeaveHandler);
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window.removeEventListener('touchmove', this.boundMouseLeaveHandler, false);
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};
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/**
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* Initialize element.
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*/
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MaterialTooltip.prototype.init = function() {
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'use strict';
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if (this.element_) {
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var forElId = this.element_.getAttribute('for');
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if (forElId) {
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this.forElement_ = document.getElementById(forElId);
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if (left + marginLeft < 0) {
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this.element_.style.left = 0;
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this.element_.style.marginLeft = 0;
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} else {
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this.element_.style.left = left + 'px';
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this.element_.style.marginLeft = marginLeft + 'px';
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}
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if (this.forElement_) {
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// Tabindex needs to be set for `blur` events to be emitted
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if (!this.forElement_.getAttribute('tabindex')) {
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this.forElement_.setAttribute('tabindex', '0');
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this.element_.style.top = props.top + props.height + 10 + 'px';
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this.element_.classList.add(this.CssClasses_.IS_ACTIVE);
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window.addEventListener('scroll', this.boundMouseLeaveHandler, false);
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window.addEventListener('touchmove', this.boundMouseLeaveHandler, false);
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};
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/**
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* Handle mouseleave for tooltip.
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*
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* @param {Event} event The event that fired.
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* @private
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*/
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MaterialTooltip.prototype.handleMouseLeave_ = function(event) {
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event.stopPropagation();
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this.element_.classList.remove(this.CssClasses_.IS_ACTIVE);
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window.removeEventListener('scroll', this.boundMouseLeaveHandler);
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window.removeEventListener('touchmove', this.boundMouseLeaveHandler, false);
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};
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/**
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* Initialize element.
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*/
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MaterialTooltip.prototype.init = function() {
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if (this.element_) {
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var forElId = this.element_.getAttribute('for');
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if (forElId) {
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this.forElement_ = document.getElementById(forElId);
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}
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this.boundMouseEnterHandler = this.handleMouseEnter_.bind(this);
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this.boundMouseLeaveHandler = this.handleMouseLeave_.bind(this);
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this.forElement_.addEventListener('mouseenter', this.boundMouseEnterHandler,
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false);
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this.forElement_.addEventListener('click', this.boundMouseEnterHandler,
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false);
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this.forElement_.addEventListener('blur', this.boundMouseLeaveHandler);
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this.forElement_.addEventListener('touchstart', this.boundMouseEnterHandler,
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false);
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this.forElement_.addEventListener('mouseleave', this.boundMouseLeaveHandler);
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if (this.forElement_) {
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// Tabindex needs to be set for `blur` events to be emitted
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if (!this.forElement_.getAttribute('tabindex')) {
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this.forElement_.setAttribute('tabindex', '0');
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}
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this.boundMouseEnterHandler = this.handleMouseEnter_.bind(this);
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this.boundMouseLeaveHandler = this.handleMouseLeave_.bind(this);
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this.forElement_.addEventListener('mouseenter', this.boundMouseEnterHandler,
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false);
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this.forElement_.addEventListener('click', this.boundMouseEnterHandler,
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false);
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this.forElement_.addEventListener('blur', this.boundMouseLeaveHandler);
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this.forElement_.addEventListener('touchstart', this.boundMouseEnterHandler,
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false);
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this.forElement_.addEventListener('mouseleave', this.boundMouseLeaveHandler);
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}
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}
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}
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};
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};
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/*
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* Downgrade the component
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*/
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MaterialTooltip.prototype.mdlDowngrade_ = function() {
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'use strict';
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if (this.forElement_) {
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this.forElement_.removeEventListener('mouseenter', this.boundMouseEnterHandler, false);
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this.forElement_.removeEventListener('click', this.boundMouseEnterHandler, false);
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this.forElement_.removeEventListener('touchstart', this.boundMouseEnterHandler, false);
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this.forElement_.removeEventListener('mouseleave', this.boundMouseLeaveHandler);
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}
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};
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/**
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* Downgrade the component
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*
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* @private
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*/
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MaterialTooltip.prototype.mdlDowngrade_ = function() {
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if (this.forElement_) {
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this.forElement_.removeEventListener('mouseenter', this.boundMouseEnterHandler, false);
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this.forElement_.removeEventListener('click', this.boundMouseEnterHandler, false);
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this.forElement_.removeEventListener('touchstart', this.boundMouseEnterHandler, false);
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this.forElement_.removeEventListener('mouseleave', this.boundMouseLeaveHandler);
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}
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};
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// The component registers itself. It can assume componentHandler is available
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// in the global scope.
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componentHandler.register({
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constructor: MaterialTooltip,
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classAsString: 'MaterialTooltip',
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cssClass: 'mdl-tooltip'
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});
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// The component registers itself. It can assume componentHandler is available
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// in the global scope.
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componentHandler.register({
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constructor: MaterialTooltip,
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classAsString: 'MaterialTooltip',
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cssClass: 'mdl-tooltip'
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});
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})();
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