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-rw-r--r--ext/js/background/offscreen.js83
1 files changed, 81 insertions, 2 deletions
diff --git a/ext/js/background/offscreen.js b/ext/js/background/offscreen.js
index 84ad6141..27cee8c4 100644
--- a/ext/js/background/offscreen.js
+++ b/ext/js/background/offscreen.js
@@ -16,8 +16,13 @@
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
+import * as wanakana from '../../lib/wanakana.js';
import {ClipboardReader} from '../comm/clipboard-reader.js';
import {invokeMessageHandler} from '../core.js';
+import {ArrayBufferUtil} from '../data/sandbox/array-buffer-util.js';
+import {DictionaryDatabase} from '../language/dictionary-database.js';
+import {JapaneseUtil} from '../language/sandbox/japanese-util.js';
+import {Translator} from '../language/translator.js';
import {yomitan} from '../yomitan.js';
/**
@@ -29,6 +34,12 @@ export class Offscreen {
* Creates a new instance.
*/
constructor() {
+ this._japaneseUtil = new JapaneseUtil(wanakana);
+ this._dictionaryDatabase = new DictionaryDatabase();
+ this._translator = new Translator({
+ japaneseUtil: this._japaneseUtil,
+ database: this._dictionaryDatabase
+ });
this._clipboardReader = new ClipboardReader({
// eslint-disable-next-line no-undef
document: (typeof document === 'object' && document !== null ? document : null),
@@ -37,12 +48,24 @@ export class Offscreen {
});
this._messageHandlers = new Map([
- ['clipboardGetTextOffscreen', {async: true, contentScript: true, handler: this._getTextHandler.bind(this)}],
- ['clipboardGetImageOffscreen', {async: true, contentScript: true, handler: this._getImageHandler.bind(this)}]
+ ['clipboardGetTextOffscreen', {async: true, contentScript: true, handler: this._getTextHandler.bind(this)}],
+ ['clipboardGetImageOffscreen', {async: true, contentScript: true, handler: this._getImageHandler.bind(this)}],
+ ['databasePrepareOffscreen', {async: true, contentScript: true, handler: this._prepareDatabaseHandler.bind(this)}],
+ ['getDictionaryInfoOffscreen', {async: true, contentScript: true, handler: this._getDictionaryInfoHandler.bind(this)}],
+ ['databasePurgeOffscreen', {async: true, contentScript: true, handler: this._purgeDatabaseHandler.bind(this)}],
+ ['databaseGetMediaOffscreen', {async: true, contentScript: true, handler: this._getMediaHandler.bind(this)}],
+ ['translatorPrepareOffscreen', {async: false, contentScript: true, handler: this._prepareTranslatorHandler.bind(this)}],
+ ['findKanjiOffscreen', {async: true, contentScript: true, handler: this._findKanjiHandler.bind(this)}],
+ ['findTermsOffscreen', {async: true, contentScript: true, handler: this._findTermsHandler.bind(this)}],
+ ['getTermFrequenciesOffscreen', {async: true, contentScript: true, handler: this._getTermFrequenciesHandler.bind(this)}],
+ ['clearDatabaseCachesOffscreen', {async: false, contentScript: true, handler: this._clearDatabaseCachesHandler.bind(this)}]
+
]);
const onMessage = this._onMessage.bind(this);
chrome.runtime.onMessage.addListener(onMessage);
+
+ this._prepareDatabasePromise = null;
}
_getTextHandler({useRichText}) {
@@ -53,6 +76,62 @@ export class Offscreen {
return this._clipboardReader.getImage();
}
+ _prepareDatabaseHandler() {
+ if (this._prepareDatabasePromise !== null) {
+ return this._prepareDatabasePromise;
+ }
+ this._prepareDatabasePromise = this._dictionaryDatabase.prepare();
+ return this._prepareDatabasePromise;
+ }
+
+ _getDictionaryInfoHandler() {
+ return this._dictionaryDatabase.getDictionaryInfo();
+ }
+
+ _purgeDatabaseHandler() {
+ return this._dictionaryDatabase.purge();
+ }
+
+ async _getMediaHandler({targets}) {
+ const media = await this._dictionaryDatabase.getMedia(targets);
+ const serializedMedia = media.map((m) => ({...m, content: ArrayBufferUtil.arrayBufferToBase64(m.content)}));
+ return serializedMedia;
+ }
+
+ _prepareTranslatorHandler({deinflectionReasons}) {
+ return this._translator.prepare(deinflectionReasons);
+ }
+
+ _findKanjiHandler({text, findKanjiOptions}) {
+ findKanjiOptions.enabledDictionaryMap = new Map(findKanjiOptions.enabledDictionaryMap);
+ return this._translator.findKanji(text, findKanjiOptions);
+ }
+
+ _findTermsHandler({mode, text, findTermsOptions}) {
+ findTermsOptions.enabledDictionaryMap = new Map(findTermsOptions.enabledDictionaryMap);
+ if (findTermsOptions.excludeDictionaryDefinitions) {
+ findTermsOptions.excludeDictionaryDefinitions = new Set(findTermsOptions.excludeDictionaryDefinitions);
+ }
+ findTermsOptions.textReplacements = findTermsOptions.textReplacements.map((group) => {
+ if (!group) {
+ return group;
+ }
+ return group.map((opt) => {
+ const [, pattern, flags] = opt.pattern.match(/\/(.*?)\/([a-z]*)?$/i); // https://stackoverflow.com/a/33642463
+ return {...opt, pattern: new RegExp(pattern, flags ?? '')};
+ });
+ });
+ return this._translator.findTerms(mode, text, findTermsOptions);
+ }
+
+ _getTermFrequenciesHandler({termReadingList, dictionaries}) {
+ return this._translator.getTermFrequencies(termReadingList, dictionaries);
+ }
+
+ _clearDatabaseCachesHandler() {
+ return this._translator.clearDatabaseCaches();
+ }
+
_onMessage({action, params}, sender, callback) {
const messageHandler = this._messageHandlers.get(action);
if (typeof messageHandler === 'undefined') { return false; }