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vendor/yomitan/js/display/display-notification.js

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+/*
+ * Copyright (C) 2023-2025  Yomitan Authors
+ * Copyright (C) 2017-2022  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/>.
+ */
+
+import {EventListenerCollection} from '../core/event-listener-collection.js';
+import {querySelectorNotNull} from '../dom/query-selector.js';
+
+export class DisplayNotification {
+    /**
+     * @param {HTMLElement} container
+     * @param {HTMLElement} node
+     */
+    constructor(container, node) {
+        /** @type {HTMLElement} */
+        this._container = container;
+        /** @type {HTMLElement} */
+        this._node = node;
+        /** @type {HTMLElement} */
+        this._body = querySelectorNotNull(node, '.footer-notification-body');
+        /** @type {HTMLElement} */
+        this._closeButton = querySelectorNotNull(node, '.footer-notification-close-button');
+        /** @type {EventListenerCollection} */
+        this._eventListeners = new EventListenerCollection();
+        /** @type {?import('core').Timeout} */
+        this._closeTimer = null;
+    }
+
+    /** @type {HTMLElement} */
+    get container() {
+        return this._container;
+    }
+
+    /** @type {HTMLElement} */
+    get node() {
+        return this._node;
+    }
+
+    /** */
+    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);
+    }
+
+    /**
+     * @param {boolean} [animate]
+     */
+    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);
+            }
+        }
+    }
+
+    /**
+     * @param {string|Node} value
+     */
+    setContent(value) {
+        if (typeof value === 'string') {
+            this._body.textContent = value;
+        } else {
+            this._body.textContent = '';
+            this._body.appendChild(value);
+        }
+    }
+
+    /**
+     * @returns {boolean}
+     */
+    isClosing() {
+        return this._closeTimer !== null;
+    }
+
+    /**
+     * @returns {boolean}
+     */
+    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;
+        }
+    }
+}