86 lines
3.0 KiB
JavaScript
86 lines
3.0 KiB
JavaScript
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/*
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* Copyright (C) 2021 Yomichan Authors
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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/* global
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* DictionaryImporterMediaLoader
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*/
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class DictionaryImporterThreaded {
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importDictionary(archiveContent, details, onProgress) {
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return new Promise((resolve, reject) => {
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const dictionaryImporterMediaLoader = new DictionaryImporterMediaLoader();
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const worker = new Worker('/js/language/dictionary-importer-worker-main.js', {});
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const onMessage = (e) => {
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const {action, params} = e.data;
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switch (action) {
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case 'complete':
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worker.removeEventListener('message', onMessage);
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worker.terminate();
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this._onComplete(params, resolve, reject);
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break;
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case 'progress':
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this._onProgress(params, onProgress);
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break;
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case 'getImageResolution':
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this._onGetImageResolution(params, worker, dictionaryImporterMediaLoader);
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break;
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}
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};
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worker.addEventListener('message', onMessage);
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worker.postMessage({
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action: 'import',
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params: {details, archiveContent}
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}, [archiveContent]);
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});
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}
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// Private
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_onComplete(params, resolve, reject) {
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const {error} = params;
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if (typeof error !== 'undefined') {
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reject(deserializeError(error));
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} else {
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resolve(this._formatResult(params.result));
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}
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}
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_formatResult(data) {
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const {result, errors} = data;
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const errors2 = errors.map((error) => deserializeError(error));
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return {result, errors: errors2};
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}
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_onProgress(params, onProgress) {
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if (typeof onProgress !== 'function') { return; }
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const {args} = params;
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onProgress(...args);
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}
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async _onGetImageResolution(params, worker, dictionaryImporterMediaLoader) {
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const {id, mediaType, content} = params;
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let response;
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try {
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const result = await dictionaryImporterMediaLoader.getImageResolution(mediaType, content);
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response = {id, result};
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} catch (e) {
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response = {id, error: serializeError(e)};
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}
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worker.postMessage({action: 'getImageResolution.response', params: response});
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}
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}
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