/* * Copyright (C) 2016-2017 Alex Yatskov <alex@foosoft.net> * Author: Alex Yatskov <alex@foosoft.net> * * 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 <http://www.gnu.org/licenses/>. */ class Backend { constructor() { this.translator = new Translator(); this.anki = new AnkiNull(); this.options = null; this.optionsContext = { depth: 0 }; this.isPreparedResolve = null; this.isPreparedPromise = new Promise((resolve) => (this.isPreparedResolve = resolve)); this.apiForwarder = new BackendApiForwarder(); } async prepare() { await this.translator.prepare(); this.options = await optionsLoad(); this.onOptionsUpdated('background'); if (chrome.commands !== null && typeof chrome.commands === 'object') { chrome.commands.onCommand.addListener(this.onCommand.bind(this)); } chrome.runtime.onMessage.addListener(this.onMessage.bind(this)); const options = this.getOptionsSync(this.optionsContext); if (options.general.showGuide) { chrome.tabs.create({url: chrome.extension.getURL('/bg/guide.html')}); } this.isPreparedResolve(); this.isPreparedResolve = null; this.isPreparedPromise = null; } onOptionsUpdated(source) { this.applyOptions(); const callback = () => this.checkLastError(chrome.runtime.lastError); chrome.tabs.query({}, tabs => { for (const tab of tabs) { chrome.tabs.sendMessage(tab.id, {action: 'optionsUpdate', params: {source}}, callback); } }); } onCommand(command) { apiCommandExec(command); } onMessage({action, params}, sender, callback) { const forward = (promise, callback) => { return promise.then(result => { callback({result}); }).catch(error => { callback({error: error.toString ? error.toString() : error}); }); }; const handlers = { optionsGet: ({optionsContext, callback}) => { forward(apiOptionsGet(optionsContext), callback); }, kanjiFind: ({text, optionsContext, callback}) => { forward(apiKanjiFind(text, optionsContext), callback); }, termsFind: ({text, optionsContext, callback}) => { forward(apiTermsFind(text, optionsContext), callback); }, definitionAdd: ({definition, mode, context, optionsContext, callback}) => { forward(apiDefinitionAdd(definition, mode, context, optionsContext), callback); }, definitionsAddable: ({definitions, modes, optionsContext, callback}) => { forward(apiDefinitionsAddable(definitions, modes, optionsContext), callback); }, noteView: ({noteId}) => { forward(apiNoteView(noteId), callback); }, templateRender: ({template, data, dynamic, callback}) => { forward(apiTemplateRender(template, data, dynamic), callback); }, commandExec: ({command, callback}) => { forward(apiCommandExec(command), callback); }, audioGetUrl: ({definition, source, callback}) => { forward(apiAudioGetUrl(definition, source), callback); }, screenshotGet: ({options}) => { forward(apiScreenshotGet(options, sender), callback); }, forward: ({action, params}) => { forward(apiForward(action, params, sender), callback); }, frameInformationGet: () => { forward(apiFrameInformationGet(sender), callback); } }; const handler = handlers[action]; if (handler) { params.callback = callback; handler(params); } return true; } applyOptions() { const options = this.getOptionsSync(this.optionsContext); if (!options.general.enable) { this.setExtensionBadgeBackgroundColor('#555555'); this.setExtensionBadgeText('off'); } else if (!dictConfigured(options)) { this.setExtensionBadgeBackgroundColor('#f0ad4e'); this.setExtensionBadgeText('!'); } else { this.setExtensionBadgeText(''); } this.anki = options.anki.enable ? new AnkiConnect(options.anki.server) : new AnkiNull(); } async getFullOptions() { if (this.isPreparedPromise !== null) { await this.isPreparedPromise; } return this.options; } async getOptions(optionsContext) { if (this.isPreparedPromise !== null) { await this.isPreparedPromise; } return this.getOptionsSync(optionsContext); } getOptionsSync(optionsContext) { return this.getProfileSync(optionsContext).options; } getProfileSync(optionsContext) { const profiles = this.options.profiles; if (typeof optionsContext.index === 'number') { return profiles[optionsContext.index]; } return this.options.profiles[this.options.profileCurrent]; } setExtensionBadgeBackgroundColor(color) { if (typeof chrome.browserAction.setBadgeBackgroundColor === 'function') { chrome.browserAction.setBadgeBackgroundColor({color}); } } setExtensionBadgeText(text) { if (typeof chrome.browserAction.setBadgeText === 'function') { chrome.browserAction.setBadgeText({text}); } } checkLastError(e) { // NOP } } window.yomichan_backend = new Backend(); window.yomichan_backend.prepare();