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/*
* Copyright (C) 2017-2021 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 DisplayNotification {
constructor(container, node) {
this._container = container;
this._node = node;
this._body = node.querySelector('.footer-notification-body');
this._closeButton = node.querySelector('.footer-notification-close-button');
this._eventListeners = new EventListenerCollection();
this._closeTimer = null;
}
open() {
if (!this.isClosed()) { return; }
this._clearTimer();
const node = this._node;
this._container.appendChild(node);
const style = getComputedStyle(node);
node.hidden = true;
style.getPropertyValue('opacity'); // Force CSS update, allowing animation
node.hidden = false;
this._eventListeners.addEventListener(this._closeButton, 'click', this._onCloseButtonClick.bind(this), false);
}
close(animate=false) {
if (this.isClosed()) { return; }
if (animate) {
if (this._closeTimer !== null) { return; }
this._node.hidden = true;
this._closeTimer = setTimeout(this._onDelayClose.bind(this), 200);
} else {
this._clearTimer();
this._eventListeners.removeAllEventListeners();
const parent = this._node.parentNode;
if (parent !== null) {
parent.removeChild(this._node);
}
}
}
setContent(text) {
this._body.textContent = text;
}
isClosing() {
return this._closeTimer !== null;
}
isClosed() {
return this._node.parentNode === null;
}
// Private
_onCloseButtonClick() {
this.close(true);
}
_onDelayClose() {
this._closeTimer = null;
this.close(false);
}
_clearTimer() {
if (this._closeTimer !== null) {
clearTimeout(this._closeTimer);
this._closeTimer = null;
}
}
}
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