/* * Copyright (C) 2020 Yomichan Authors * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <https://www.gnu.org/licenses/>. */ class PopupElement extends EventDispatcher { constructor({node, visibleClassName, openingClassName, closingClassName, closingAnimationDuration}) { super(); this._node = node; this._visibleClassName = visibleClassName; this._openingClassName = openingClassName; this._closingClassName = closingClassName; this._closingAnimationDuration = closingAnimationDuration; this._mutationObserver = null; this._visible = false; this._closeTimer = null; } get node() { return this._node; } isVisible() { return this._node.classList.contains(this._visibleClassName); } setVisible(value, animate=true) { value = !!value; const {classList} = this._node; if (classList.contains(this._visibleClassName) === value) { return; } if (this._closeTimer !== null) { clearTimeout(this._closeTimer); this._completeClose(classList, true); } if (value) { if (animate) { classList.add(this._openingClassName); } getComputedStyle(this._node).getPropertyValue('display'); // Force update of CSS display property, allowing animation classList.add(this._visibleClassName); if (animate) { classList.remove(this._openingClassName); } this._node.focus(); } else { if (animate) { classList.add(this._closingClassName); } classList.remove(this._visibleClassName); if (animate) { this._closeTimer = setTimeout(() => this._completeClose(classList, false), this._closingAnimationDuration); } } } on(eventName, callback) { if (eventName === 'visibilityChanged') { if (this._mutationObserver === null) { this._visible = this._node.classList.contains(this._visibleClassName); this._mutationObserver = new MutationObserver(this._onMutation.bind(this)); this._mutationObserver.observe(this._node, { attributes: true, attributeFilter: ['class'], attributeOldValue: true }); } } return super.on(eventName, callback); } off(eventName, callback) { const result = super.off(eventName, callback); if (eventName === 'visibilityChanged' && !this.hasListeners(eventName)) { if (this._mutationObserver !== null) { this._mutationObserver.disconnect(); this._mutationObserver = null; } } return result; } // Private _onMutation() { const visible = this._node.classList.contains(this._visibleClassName); if (this._visible === visible) { return; } this._visible = visible; this.trigger('visibilityChanged', {visible}); } _completeClose(classList, reopening) { this._closeTimer = null; classList.remove(this._closingClassName); this.trigger('closeCompleted', {reopening}); } } class Modal extends PopupElement { constructor(node) { super({ node, visibleClassName: 'modal-container-open', openingClassName: 'modal-container-opening', closingClassName: 'modal-container-closing', closingAnimationDuration: 375 // Milliseconds; includes buffer }); } } class StatusFooter extends PopupElement { constructor(node) { super({ node, visibleClassName: 'status-footer-container-open', openingClassName: 'status-footer-container-opening', closingClassName: 'status-footer-container-closing', closingAnimationDuration: 375 // Milliseconds; includes buffer }); this._body = node.querySelector('.status-footer'); } prepare() { this.on('closeCompleted', this._onCloseCompleted.bind(this), false); this._body.querySelector('.status-footer-header-close').addEventListener('click', this._onCloseClick.bind(this), false); } getTaskContainer(selector) { return this._body.querySelector(selector); } isTaskActive(selector) { const target = this.getTaskContainer(selector); return (target !== null && target.dataset.active); } setTaskActive(selector, active) { const target = this.getTaskContainer(selector); if (target === null) { return; } const activeElements = new Set(); for (const element of this._body.querySelectorAll('.status-footer-item')) { if (element.dataset.active) { activeElements.add(element); } } if (active) { target.dataset.active = true; if (!this.isVisible()) { this.setVisible(true); } target.hidden = false; } else { delete target.dataset.active; if (activeElements.size <= 1) { this.setVisible(false); } } } // Private _onCloseClick(e) { e.preventDefault(); this.setVisible(false); } _onCloseCompleted() { for (const element of this._body.querySelectorAll('.status-footer-item')) { if (!element.dataset.active) { element.hidden = true; } } } }