summaryrefslogtreecommitdiff
path: root/ext/js/general/task-accumulator.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/general/task-accumulator.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/general/task-accumulator.js')
-rw-r--r--ext/js/general/task-accumulator.js81
1 files changed, 81 insertions, 0 deletions
diff --git a/ext/js/general/task-accumulator.js b/ext/js/general/task-accumulator.js
new file mode 100644
index 00000000..82691b43
--- /dev/null
+++ b/ext/js/general/task-accumulator.js
@@ -0,0 +1,81 @@
+/*
+ * 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 TaskAccumulator {
+ constructor(runTasks) {
+ this._deferPromise = null;
+ this._activePromise = null;
+ this._tasks = [];
+ this._tasksActive = [];
+ this._uniqueTasks = new Map();
+ this._uniqueTasksActive = new Map();
+ this._runTasksBind = this._runTasks.bind(this);
+ this._tasksCompleteBind = this._tasksComplete.bind(this);
+ this._runTasks = runTasks;
+ }
+
+ enqueue(key, data) {
+ if (this._deferPromise === null) {
+ const promise = this._activePromise !== null ? this._activePromise : Promise.resolve();
+ this._deferPromise = promise.then(this._runTasksBind);
+ }
+
+ const task = {data, stale: false};
+ if (key !== null) {
+ const activeTaskInfo = this._uniqueTasksActive.get(key);
+ if (typeof activeTaskInfo !== 'undefined') {
+ activeTaskInfo.stale = true;
+ }
+
+ this._uniqueTasks.set(key, task);
+ } else {
+ this._tasks.push(task);
+ }
+
+ return this._deferPromise;
+ }
+
+ _runTasks() {
+ this._deferPromise = null;
+
+ // Swap
+ [this._tasks, this._tasksActive] = [this._tasksActive, this._tasks];
+ [this._uniqueTasks, this._uniqueTasksActive] = [this._uniqueTasksActive, this._uniqueTasks];
+
+ const promise = this._runTasksAsync();
+ this._activePromise = promise.then(this._tasksCompleteBind);
+ return this._activePromise;
+ }
+
+ async _runTasksAsync() {
+ try {
+ const allTasks = [
+ ...this._tasksActive.map((taskInfo) => [null, taskInfo]),
+ ...this._uniqueTasksActive.entries()
+ ];
+ await this._runTasks(allTasks);
+ } catch (e) {
+ yomichan.logError(e);
+ }
+ }
+
+ _tasksComplete() {
+ this._tasksActive.length = 0;
+ this._uniqueTasksActive.clear();
+ this._activePromise = null;
+ }
+}