aboutsummaryrefslogtreecommitdiff
path: root/ext/mixed/js/panel-element.js
diff options
context:
space:
mode:
Diffstat (limited to 'ext/mixed/js/panel-element.js')
-rw-r--r--ext/mixed/js/panel-element.js103
1 files changed, 0 insertions, 103 deletions
diff --git a/ext/mixed/js/panel-element.js b/ext/mixed/js/panel-element.js
deleted file mode 100644
index 1ef61d6f..00000000
--- a/ext/mixed/js/panel-element.js
+++ /dev/null
@@ -1,103 +0,0 @@
-/*
- * 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 PanelElement extends EventDispatcher {
- constructor({node, closingAnimationDuration}) {
- super();
- this._node = node;
- this._closingAnimationDuration = closingAnimationDuration;
- this._hiddenAnimatingClass = 'hidden-animating';
- this._mutationObserver = null;
- this._visible = false;
- this._closeTimer = null;
- }
-
- get node() {
- return this._node;
- }
-
- isVisible() {
- return !this._node.hidden;
- }
-
- setVisible(value, animate=true) {
- value = !!value;
- if (this.isVisible() === value) { return; }
-
- if (this._closeTimer !== null) {
- clearTimeout(this._closeTimer);
- this._completeClose(true);
- }
-
- const node = this._node;
- const {classList} = node;
- if (value) {
- if (animate) { classList.add(this._hiddenAnimatingClass); }
- getComputedStyle(node).getPropertyValue('display'); // Force update of CSS display property, allowing animation
- classList.remove(this._hiddenAnimatingClass);
- node.hidden = false;
- node.focus();
- } else {
- if (animate) { classList.add(this._hiddenAnimatingClass); }
- node.hidden = true;
- if (animate) {
- this._closeTimer = setTimeout(() => this._completeClose(false), this._closingAnimationDuration);
- }
- }
- }
-
- on(eventName, callback) {
- if (eventName === 'visibilityChanged') {
- if (this._mutationObserver === null) {
- this._visible = this.isVisible();
- this._mutationObserver = new MutationObserver(this._onMutation.bind(this));
- this._mutationObserver.observe(this._node, {
- attributes: true,
- attributeFilter: ['hidden'],
- 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.isVisible();
- if (this._visible === visible) { return; }
- this._visible = visible;
- this.trigger('visibilityChanged', {visible});
- }
-
- _completeClose(reopening) {
- this._closeTimer = null;
- this._node.classList.remove(this._hiddenAnimatingClass);
- this.trigger('closeCompleted', {reopening});
- }
-}