208 lines
7.4 KiB
JavaScript
208 lines
7.4 KiB
JavaScript
/*
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* Copyright (C) 2016-2017 Alex Yatskov <alex@foosoft.net>
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* Author: Alex Yatskov <alex@foosoft.net>
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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 <http://www.gnu.org/licenses/>.
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*/
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class Backend {
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constructor() {
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this.translator = new Translator();
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this.anki = new AnkiNull();
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this.mecab = new Mecab();
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this.options = null;
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this.optionsContext = {
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depth: 0,
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url: window.location.href
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};
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this.isPreparedResolve = null;
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this.isPreparedPromise = new Promise((resolve) => (this.isPreparedResolve = resolve));
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this.clipboardPasteTarget = document.querySelector('#clipboard-paste-target');
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this.apiForwarder = new BackendApiForwarder();
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}
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async prepare() {
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await this.translator.prepare();
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this.options = await optionsLoad();
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this.onOptionsUpdated('background');
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if (chrome.commands !== null && typeof chrome.commands === 'object') {
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chrome.commands.onCommand.addListener(this.onCommand.bind(this));
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}
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chrome.runtime.onMessage.addListener(this.onMessage.bind(this));
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const options = this.getOptionsSync(this.optionsContext);
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if (options.general.showGuide) {
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chrome.tabs.create({url: chrome.runtime.getURL('/bg/guide.html')});
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}
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this.isPreparedResolve();
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this.isPreparedResolve = null;
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this.isPreparedPromise = null;
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}
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onOptionsUpdated(source) {
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this.applyOptions();
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const callback = () => this.checkLastError(chrome.runtime.lastError);
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chrome.tabs.query({}, tabs => {
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for (const tab of tabs) {
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chrome.tabs.sendMessage(tab.id, {action: 'optionsUpdate', params: {source}}, callback);
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}
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});
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}
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onCommand(command) {
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apiCommandExec(command);
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}
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onMessage({action, params}, sender, callback) {
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const handlers = Backend.messageHandlers;
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if (hasOwn(handlers, action)) {
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const handler = handlers[action];
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const promise = handler(params, sender);
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promise.then(
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result => callback({result}),
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error => callback({error: errorToJson(error)})
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);
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}
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return true;
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}
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applyOptions() {
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const options = this.getOptionsSync(this.optionsContext);
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if (!options.general.enable) {
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this.setExtensionBadgeBackgroundColor('#555555');
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this.setExtensionBadgeText('off');
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} else if (!dictConfigured(options)) {
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this.setExtensionBadgeBackgroundColor('#f0ad4e');
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this.setExtensionBadgeText('!');
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} else {
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this.setExtensionBadgeText('');
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}
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this.anki = options.anki.enable ? new AnkiConnect(options.anki.server) : new AnkiNull();
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if (options.parsing.enableMecabParser) {
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this.mecab.startListener();
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} else {
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this.mecab.stopListener();
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}
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}
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async getFullOptions() {
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if (this.isPreparedPromise !== null) {
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await this.isPreparedPromise;
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}
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return this.options;
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}
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async getOptions(optionsContext) {
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if (this.isPreparedPromise !== null) {
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await this.isPreparedPromise;
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}
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return this.getOptionsSync(optionsContext);
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}
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getOptionsSync(optionsContext) {
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return this.getProfileSync(optionsContext).options;
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}
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getProfileSync(optionsContext) {
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const profiles = this.options.profiles;
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if (typeof optionsContext.index === 'number') {
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return profiles[optionsContext.index];
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}
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const profile = this.getProfileFromContext(optionsContext);
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return profile !== null ? profile : this.options.profiles[this.options.profileCurrent];
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}
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getProfileFromContext(optionsContext) {
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for (const profile of this.options.profiles) {
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const conditionGroups = profile.conditionGroups;
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if (conditionGroups.length > 0 && Backend.testConditionGroups(conditionGroups, optionsContext)) {
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return profile;
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}
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}
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return null;
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}
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static testConditionGroups(conditionGroups, data) {
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if (conditionGroups.length === 0) { return false; }
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for (const conditionGroup of conditionGroups) {
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const conditions = conditionGroup.conditions;
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if (conditions.length > 0 && Backend.testConditions(conditions, data)) {
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return true;
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}
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}
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return false;
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}
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static testConditions(conditions, data) {
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for (const condition of conditions) {
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if (!conditionsTestValue(profileConditionsDescriptor, condition.type, condition.operator, condition.value, data)) {
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return false;
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}
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}
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return true;
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}
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setExtensionBadgeBackgroundColor(color) {
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if (typeof chrome.browserAction.setBadgeBackgroundColor === 'function') {
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chrome.browserAction.setBadgeBackgroundColor({color});
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}
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}
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setExtensionBadgeText(text) {
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if (typeof chrome.browserAction.setBadgeText === 'function') {
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chrome.browserAction.setBadgeText({text});
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}
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}
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checkLastError(e) {
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// NOP
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}
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}
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Backend.messageHandlers = {
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optionsGet: ({optionsContext}) => apiOptionsGet(optionsContext),
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optionsSet: ({changedOptions, optionsContext, source}) => apiOptionsSet(changedOptions, optionsContext, source),
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kanjiFind: ({text, optionsContext}) => apiKanjiFind(text, optionsContext),
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termsFind: ({text, details, optionsContext}) => apiTermsFind(text, details, optionsContext),
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textParse: ({text, optionsContext}) => apiTextParse(text, optionsContext),
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textParseMecab: ({text, optionsContext}) => apiTextParseMecab(text, optionsContext),
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definitionAdd: ({definition, mode, context, optionsContext}) => apiDefinitionAdd(definition, mode, context, optionsContext),
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definitionsAddable: ({definitions, modes, optionsContext}) => apiDefinitionsAddable(definitions, modes, optionsContext),
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noteView: ({noteId}) => apiNoteView(noteId),
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templateRender: ({template, data, dynamic}) => apiTemplateRender(template, data, dynamic),
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commandExec: ({command, params}) => apiCommandExec(command, params),
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audioGetUrl: ({definition, source, optionsContext}) => apiAudioGetUrl(definition, source, optionsContext),
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screenshotGet: ({options}, sender) => apiScreenshotGet(options, sender),
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forward: ({action, params}, sender) => apiForward(action, params, sender),
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frameInformationGet: (params, sender) => apiFrameInformationGet(sender),
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injectStylesheet: ({css}, sender) => apiInjectStylesheet(css, sender),
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getEnvironmentInfo: () => apiGetEnvironmentInfo(),
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clipboardGet: () => apiClipboardGet()
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};
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window.yomichan_backend = new Backend();
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window.yomichan_backend.prepare();
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