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/*
* Copyright (C) 2020-2021 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 Modal extends EventDispatcher {
constructor(node) {
super();
this._node = node;
this._eventListeners = new EventListenerCollection();
}
get node() {
return this._node;
}
prepare() {
// NOP
}
isVisible() {
return !!(this._getWrappedNode().data('bs.modal') || {}).isShown;
}
setVisible(value) {
this._getWrappedNode().modal(value ? 'show' : 'hide');
}
on(eventName, callback) {
if (eventName === 'visibilityChanged') {
if (this._eventListeners.size === 0) {
const wrappedNode = this._getWrappedNode();
this._eventListeners.on(wrappedNode, 'hidden.bs.modal', this._onModalHide.bind(this));
this._eventListeners.on(wrappedNode, 'shown.bs.modal', this._onModalShow.bind(this));
}
}
return super.on(eventName, callback);
}
off(eventName, callback) {
const result = super.off(eventName, callback);
if (eventName === 'visibilityChanged' && !this.hasListeners(eventName)) {
this._eventListeners.removeAllEventListeners();
}
return result;
}
// Private
_onModalHide() {
this.trigger('visibilityChanged', {visible: false});
}
_onModalShow() {
this.trigger('visibilityChanged', {visible: true});
}
_getWrappedNode() {
return $(this._node);
}
}
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