91 lines
2.6 KiB
JavaScript
91 lines
2.6 KiB
JavaScript
/*
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* Copyright (C) 2017-2021 Yomichan Authors
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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class DisplayNotification {
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constructor(container, node) {
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this._container = container;
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this._node = node;
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this._body = node.querySelector('.footer-notification-body');
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this._closeButton = node.querySelector('.footer-notification-close-button');
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this._eventListeners = new EventListenerCollection();
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this._closeTimer = null;
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}
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open() {
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if (!this.isClosed()) { return; }
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this._clearTimer();
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const node = this._node;
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this._container.appendChild(node);
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const style = getComputedStyle(node);
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node.hidden = true;
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style.getPropertyValue('opacity'); // Force CSS update, allowing animation
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node.hidden = false;
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this._eventListeners.addEventListener(this._closeButton, 'click', this._onCloseButtonClick.bind(this), false);
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}
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close(animate=false) {
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if (this.isClosed()) { return; }
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if (animate) {
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if (this._closeTimer !== null) { return; }
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this._node.hidden = true;
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this._closeTimer = setTimeout(this._onDelayClose.bind(this), 200);
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} else {
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this._clearTimer();
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this._eventListeners.removeAllEventListeners();
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const parent = this._node.parentNode;
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if (parent !== null) {
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parent.removeChild(this._node);
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}
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}
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}
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setContent(text) {
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this._body.textContent = text;
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}
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isClosing() {
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return this._closeTimer !== null;
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}
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isClosed() {
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return this._node.parentNode === null;
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}
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// Private
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_onCloseButtonClick() {
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this.close(true);
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}
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_onDelayClose() {
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this._closeTimer = null;
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this.close(false);
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}
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_clearTimer() {
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if (this._closeTimer !== null) {
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clearTimeout(this._closeTimer);
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this._closeTimer = null;
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}
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}
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}
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