/** * @license * Copyright 2021 Google Inc. * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ import {MDCComponent} from '@material/base/component'; import {MDCRippleAdapter} from '@material/ripple/adapter'; import {MDCRipple} from '@material/ripple/component'; import {MDCRippleFoundation} from '@material/ripple/foundation'; import {MDCRippleCapableSurface} from '@material/ripple/types'; import {MDCSwitchRenderAdapter, MDCSwitchState} from './adapter'; import {Selectors} from './constants'; import {MDCSwitchRenderFoundation} from './foundation'; /** * `MDCSwitch` provides a component implementation of a Material Design switch. */ export class MDCSwitch extends MDCComponent implements MDCSwitchState, MDCRippleCapableSurface { /** * Creates a new `MDCSwitch` and attaches it to the given root element. * @param root The root to attach to. * @return the new component instance. */ static override attachTo(root: HTMLButtonElement) { return new MDCSwitch(root); } disabled!: boolean; processing!: boolean; selected!: boolean; ripple!: MDCRipple; private rippleElement!: Element; constructor( public override root: HTMLButtonElement, foundation?: MDCSwitchRenderFoundation) { super(root, foundation); } override initialize() { this.ripple = new MDCRipple(this.root, this.createRippleFoundation()); } override initialSyncWithDOM() { const rippleElement = this.root.querySelector(Selectors.RIPPLE); if (!rippleElement) { throw new Error(`Switch ${Selectors.RIPPLE} element is required.`); } this.rippleElement = rippleElement; this.root.addEventListener('click', this.foundation.handleClick); this.foundation.initFromDOM(); } override destroy() { super.destroy(); this.ripple.destroy(); this.root.removeEventListener('click', this.foundation.handleClick); } override getDefaultFoundation() { return new MDCSwitchRenderFoundation(this.createAdapter()); } protected createAdapter(): MDCSwitchRenderAdapter { return { addClass: className => { this.root.classList.add(className); }, hasClass: className => this.root.classList.contains(className), isDisabled: () => this.root.disabled, removeClass: className => { this.root.classList.remove(className); }, setAriaChecked: ariaChecked => { this.root.setAttribute('aria-checked', ariaChecked); }, setDisabled: disabled => { this.root.disabled = disabled; }, state: this, }; } protected createRippleFoundation() { return new MDCRippleFoundation(this.createRippleAdapter()); } protected createRippleAdapter(): MDCRippleAdapter { return { ...MDCRipple.createAdapter(this), computeBoundingRect: () => this.rippleElement.getBoundingClientRect(), isUnbounded: () => true, }; } }