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Diffstat (limited to 'ext/bg/js/clipboard-monitor.js')
-rw-r--r-- | ext/bg/js/clipboard-monitor.js | 80 |
1 files changed, 0 insertions, 80 deletions
diff --git a/ext/bg/js/clipboard-monitor.js b/ext/bg/js/clipboard-monitor.js deleted file mode 100644 index 7379d7ad..00000000 --- a/ext/bg/js/clipboard-monitor.js +++ /dev/null @@ -1,80 +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 ClipboardMonitor extends EventDispatcher { - constructor({japaneseUtil, clipboardReader}) { - super(); - this._japaneseUtil = japaneseUtil; - this._clipboardReader = clipboardReader; - this._timerId = null; - this._timerToken = null; - this._interval = 250; - this._previousText = null; - } - - start() { - this.stop(); - - // The token below is used as a unique identifier to ensure that a new clipboard monitor - // hasn't been started during the await call. The check below the await call - // will exit early if the reference has changed. - let canChange = false; - const token = {}; - const intervalCallback = async () => { - this._timerId = null; - - let text = null; - try { - text = await this._clipboardReader.getText(); - } catch (e) { - // NOP - } - if (this._timerToken !== token) { return; } - - if ( - typeof text === 'string' && - (text = text.trim()).length > 0 && - text !== this._previousText - ) { - this._previousText = text; - if (canChange && this._japaneseUtil.isStringPartiallyJapanese(text)) { - this.trigger('change', {text}); - } - } - - canChange = true; - this._timerId = setTimeout(intervalCallback, this._interval); - }; - - this._timerToken = token; - - intervalCallback(); - } - - stop() { - this._timerToken = null; - this._previousText = null; - if (this._timerId !== null) { - clearTimeout(this._timerId); - this._timerId = null; - } - } - - setPreviousText(text) { - this._previousText = text; - } -} |