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/*
* Copyright (C) 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/>.
*/
/* global
* DictionaryImporterMediaLoader
*/
class DictionaryImporterThreaded {
importDictionary(archiveContent, details, onProgress) {
return new Promise((resolve, reject) => {
const dictionaryImporterMediaLoader = new DictionaryImporterMediaLoader();
const worker = new Worker('/js/language/dictionary-importer-worker-main.js', {});
const onMessage = (e) => {
const {action, params} = e.data;
switch (action) {
case 'complete':
worker.removeEventListener('message', onMessage);
worker.terminate();
this._onComplete(params, resolve, reject);
break;
case 'progress':
this._onProgress(params, onProgress);
break;
case 'getImageResolution':
this._onGetImageResolution(params, worker, dictionaryImporterMediaLoader);
break;
}
};
worker.addEventListener('message', onMessage);
worker.postMessage({
action: 'import',
params: {details, archiveContent}
}, [archiveContent]);
});
}
// Private
_onComplete(params, resolve, reject) {
const {error} = params;
if (typeof error !== 'undefined') {
reject(deserializeError(error));
} else {
resolve(this._formatResult(params.result));
}
}
_formatResult(data) {
const {result, errors} = data;
const errors2 = errors.map((error) => deserializeError(error));
return {result, errors: errors2};
}
_onProgress(params, onProgress) {
if (typeof onProgress !== 'function') { return; }
const {args} = params;
onProgress(...args);
}
async _onGetImageResolution(params, worker, dictionaryImporterMediaLoader) {
const {id, mediaType, content} = params;
let response;
try {
const result = await dictionaryImporterMediaLoader.getImageResolution(mediaType, content);
response = {id, result};
} catch (e) {
response = {id, error: serializeError(e)};
}
worker.postMessage({action: 'getImageResolution.response', params: response});
}
}
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