summaryrefslogtreecommitdiff
path: root/ext/js/dom/panel-element.js
diff options
context:
space:
mode:
authortoasted-nutbread <toasted-nutbread@users.noreply.github.com>2021-02-13 22:52:28 -0500
committerGitHub <noreply@github.com>2021-02-13 22:52:28 -0500
commit6a271e067fa917614f4c81f473533e24c6d04404 (patch)
tree0d81658b1c03aecfbba133425aefc0ea7612338c /ext/js/dom/panel-element.js
parentdeed5027cd18bcdb9cb9d13cb7831be0ec5384e8 (diff)
Move mixed/js (#1383)
* Move mixed/js/core.js to js/core.js * Move mixed/js/yomichan.js to js/yomichan.js * Move mixed/js/timer.js to js/debug/timer.js * Move mixed/js/hotkey-handler.js to js/input/hotkey-handler.js * Move mixed/js/hotkey-help-controller.js to js/input/hotkey-help-controller.js * Move mixed/js/hotkey-util.js to js/input/hotkey-util.js * Move mixed/js/audio-system.js to js/input/audio-system.js * Move mixed/js/media-loader.js to js/input/media-loader.js * Move mixed/js/text-to-speech-audio.js to js/input/text-to-speech-audio.js * Move mixed/js/comm.js to js/comm/cross-frame-api.js * Move mixed/js/api.js to js/comm/api.js * Move mixed/js/frame-client.js to js/comm/frame-client.js * Move mixed/js/frame-endpoint.js to js/comm/frame-endpoint.js * Move mixed/js/display.js to js/display/display.js * Move mixed/js/display-audio.js to js/display/display-audio.js * Move mixed/js/display-generator.js to js/display/display-generator.js * Move mixed/js/display-history.js to js/display/display-history.js * Move mixed/js/display-notification.js to js/display/display-notification.js * Move mixed/js/display-profile-selection.js to js/display/display-profile-selection.js * Move mixed/js/japanese.js to js/language/japanese-util.js * Move mixed/js/dictionary-data-util.js to js/language/dictionary-data-util.js * Move mixed/js/document-focus-controller.js to js/dom/document-focus-controller.js * Move mixed/js/document-util.js to js/dom/document-util.js * Move mixed/js/dom-data-binder.js to js/dom/dom-data-binder.js * Move mixed/js/html-template-collection.js to js/dom/html-template-collection.js * Move mixed/js/panel-element.js to js/dom/panel-element.js * Move mixed/js/popup-menu.js to js/dom/popup-menu.js * Move mixed/js/selector-observer.js to js/dom/selector-observer.js * Move mixed/js/scroll.js to js/dom/window-scroll.js * Move mixed/js/text-scanner.js to js/language/text-scanner.js * Move mixed/js/cache-map.js to js/general/cache-map.js * Move mixed/js/object-property-accessor.js to js/general/object-property-accessor.js * Move mixed/js/task-accumulator.js to js/general/task-accumulator.js * Move mixed/js/environment.js to js/background/environment.js * Move mixed/js/dynamic-loader.js to js/scripting/dynamic-loader.js * Move mixed/js/dynamic-loader-sentinel.js to js/scripting/dynamic-loader-sentinel.js
Diffstat (limited to 'ext/js/dom/panel-element.js')
-rw-r--r--ext/js/dom/panel-element.js103
1 files changed, 103 insertions, 0 deletions
diff --git a/ext/js/dom/panel-element.js b/ext/js/dom/panel-element.js
new file mode 100644
index 00000000..1ef61d6f
--- /dev/null
+++ b/ext/js/dom/panel-element.js
@@ -0,0 +1,103 @@
+/*
+ * 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});
+ }
+}