yomichan/ext/bg/js/backend.js

879 lines
31 KiB
JavaScript
Raw Normal View History

2016-03-26 21:16:21 +00:00
/*
2020-01-01 17:00:00 +00:00
* Copyright (C) 2016-2020 Alex Yatskov <alex@foosoft.net>
2016-03-26 21:16:21 +00:00
* 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
2020-01-01 17:00:31 +00:00
* along with this program. If not, see <https://www.gnu.org/licenses/>.
2016-03-26 21:16:21 +00:00
*/
2020-02-01 20:00:34 +00:00
/*global optionsSave, utilIsolate
conditionsTestValue, profileConditionsDescriptor, profileOptionsGetDefaultFieldTemplates
2020-02-14 01:18:15 +00:00
handlebarsRenderDynamic
2020-02-01 20:00:34 +00:00
requestText, requestJson, optionsLoad
dictConfigured, dictTermsSort, dictEnabledSet, dictNoteFormat
audioGetUrl, audioInject
jpConvertReading, jpDistributeFuriganaInflected, jpKatakanaToHiragana
2020-02-12 03:19:47 +00:00
Translator, AnkiConnect, AnkiNull, Mecab, BackendApiForwarder, JsonSchema, ClipboardMonitor*/
2016-03-26 21:16:21 +00:00
2017-08-14 04:11:10 +00:00
class Backend {
2016-03-26 21:16:21 +00:00
constructor() {
2016-03-28 03:00:41 +00:00
this.translator = new Translator();
2016-10-16 06:23:40 +00:00
this.anki = new AnkiNull();
2019-11-03 03:08:57 +00:00
this.mecab = new Mecab();
2020-01-26 01:31:31 +00:00
this.clipboardMonitor = new ClipboardMonitor();
2016-09-29 03:14:21 +00:00
this.options = null;
2019-11-28 20:18:27 +00:00
this.optionsSchema = null;
2019-09-07 18:21:26 +00:00
this.optionsContext = {
depth: 0,
url: window.location.href
2019-09-07 18:21:26 +00:00
};
this.isPreparedResolve = null;
this.isPreparedPromise = new Promise((resolve) => (this.isPreparedResolve = resolve));
this.clipboardPasteTarget = document.querySelector('#clipboard-paste-target');
2020-01-26 01:31:31 +00:00
2020-01-25 15:54:07 +00:00
this.popupWindow = null;
this.apiForwarder = new BackendApiForwarder();
2017-08-06 02:02:03 +00:00
}
2016-03-26 21:16:21 +00:00
2017-08-06 02:02:03 +00:00
async prepare() {
await this.translator.prepare();
2019-11-28 20:18:27 +00:00
this.optionsSchema = await requestJson(chrome.runtime.getURL('/bg/data/options-schema.json'), 'GET');
2019-09-11 00:04:28 +00:00
this.options = await optionsLoad();
2019-11-28 20:18:27 +00:00
try {
this.options = JsonSchema.getValidValueOrDefault(this.optionsSchema, this.options);
} catch (e) {
// This shouldn't happen, but catch errors just in case of bugs
logError(e);
}
this.onOptionsUpdated('background');
2017-08-06 02:02:03 +00:00
if (isObject(chrome.commands) && isObject(chrome.commands.onCommand)) {
2019-12-13 00:59:43 +00:00
chrome.commands.onCommand.addListener((command) => this._runCommand(command));
}
if (isObject(chrome.tabs) && isObject(chrome.tabs.onZoomChange)) {
chrome.tabs.onZoomChange.addListener((info) => this._onZoomChange(info));
}
2017-08-06 02:02:03 +00:00
chrome.runtime.onMessage.addListener(this.onMessage.bind(this));
const options = this.getOptionsSync(this.optionsContext);
2019-09-07 18:21:26 +00:00
if (options.general.showGuide) {
chrome.tabs.create({url: chrome.runtime.getURL('/bg/guide.html')});
2017-08-06 02:02:03 +00:00
}
this.isPreparedResolve();
this.isPreparedResolve = null;
this.isPreparedPromise = null;
2020-01-26 01:31:31 +00:00
this.clipboardMonitor.onClipboardText = (text) => this._onClipboardText(text);
2017-08-06 02:02:03 +00:00
}
onOptionsUpdated(source) {
2019-09-07 18:21:26 +00:00
this.applyOptions();
2017-08-06 02:02:03 +00:00
const callback = () => this.checkLastError(chrome.runtime.lastError);
2019-11-27 03:01:54 +00:00
chrome.tabs.query({}, (tabs) => {
2017-08-06 02:02:03 +00:00
for (const tab of tabs) {
chrome.tabs.sendMessage(tab.id, {action: 'optionsUpdate', params: {source}}, callback);
2017-03-18 20:00:29 +00:00
}
});
2016-03-26 21:16:21 +00:00
}
2017-08-06 02:02:03 +00:00
onMessage({action, params}, sender, callback) {
2019-12-09 01:53:42 +00:00
const handler = Backend._messageHandlers.get(action);
if (typeof handler !== 'function') { return false; }
try {
const promise = handler(this, params, sender);
promise.then(
2019-11-27 03:01:54 +00:00
(result) => callback({result}),
(error) => callback({error: errorToJson(error)})
);
2019-12-09 01:53:42 +00:00
return true;
} catch (error) {
callback({error: errorToJson(error)});
return false;
2017-08-06 02:02:03 +00:00
}
}
2020-01-26 01:31:31 +00:00
_onClipboardText(text) {
this._onCommandSearch({mode: 'popup', query: text});
}
_onZoomChange({tabId, oldZoomFactor, newZoomFactor}) {
const callback = () => this.checkLastError(chrome.runtime.lastError);
chrome.tabs.sendMessage(tabId, {action: 'zoomChanged', params: {oldZoomFactor, newZoomFactor}}, callback);
}
2019-09-07 18:21:26 +00:00
applyOptions() {
const options = this.getOptionsSync(this.optionsContext);
2019-09-07 18:21:26 +00:00
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();
if (options.parsing.enableMecabParser) {
this.mecab.startListener();
2019-11-11 18:54:23 +00:00
} else {
this.mecab.stopListener();
}
if (options.general.enableClipboardPopups) {
2020-01-26 01:31:31 +00:00
this.clipboardMonitor.start();
} else {
this.clipboardMonitor.stop();
}
2019-09-07 18:21:26 +00:00
}
2019-12-14 21:40:05 +00:00
async getOptionsSchema() {
if (this.isPreparedPromise !== null) {
await this.isPreparedPromise;
}
return this.optionsSchema;
}
async getFullOptions() {
if (this.isPreparedPromise !== null) {
await this.isPreparedPromise;
}
return this.options;
}
2019-12-14 21:37:37 +00:00
async setFullOptions(options) {
if (this.isPreparedPromise !== null) {
await this.isPreparedPromise;
}
try {
this.options = JsonSchema.getValidValueOrDefault(this.optionsSchema, utilIsolate(options));
} catch (e) {
// This shouldn't happen, but catch errors just in case of bugs
logError(e);
}
}
async getOptions(optionsContext) {
if (this.isPreparedPromise !== null) {
await this.isPreparedPromise;
}
return this.getOptionsSync(optionsContext);
}
getOptionsSync(optionsContext) {
2019-09-07 23:50:58 +00:00
return this.getProfileSync(optionsContext).options;
}
getProfileSync(optionsContext) {
const profiles = this.options.profiles;
if (typeof optionsContext.index === 'number') {
return profiles[optionsContext.index];
}
const profile = this.getProfileFromContext(optionsContext);
return profile !== null ? profile : this.options.profiles[this.options.profileCurrent];
}
getProfileFromContext(optionsContext) {
for (const profile of this.options.profiles) {
const conditionGroups = profile.conditionGroups;
if (conditionGroups.length > 0 && Backend.testConditionGroups(conditionGroups, optionsContext)) {
return profile;
}
}
return null;
}
static testConditionGroups(conditionGroups, data) {
if (conditionGroups.length === 0) { return false; }
for (const conditionGroup of conditionGroups) {
const conditions = conditionGroup.conditions;
if (conditions.length > 0 && Backend.testConditions(conditions, data)) {
return true;
}
}
return false;
}
static testConditions(conditions, data) {
for (const condition of conditions) {
if (!conditionsTestValue(profileConditionsDescriptor, condition.type, condition.operator, condition.value, data)) {
return false;
}
}
return true;
2019-09-07 18:21:26 +00:00
}
setExtensionBadgeBackgroundColor(color) {
if (typeof chrome.browserAction.setBadgeBackgroundColor === 'function') {
chrome.browserAction.setBadgeBackgroundColor({color});
}
}
setExtensionBadgeText(text) {
if (typeof chrome.browserAction.setBadgeText === 'function') {
chrome.browserAction.setBadgeText({text});
}
}
2019-11-25 19:35:53 +00:00
checkLastError() {
// NOP
}
2019-12-09 01:53:42 +00:00
2019-12-13 00:59:43 +00:00
_runCommand(command, params) {
const handler = Backend._commandHandlers.get(command);
if (typeof handler !== 'function') { return false; }
handler(this, params);
return true;
}
2019-12-09 01:53:42 +00:00
// Message handlers
2019-12-14 21:40:05 +00:00
_onApiOptionsSchemaGet() {
return this.getOptionsSchema();
}
2019-12-09 01:53:42 +00:00
_onApiOptionsGet({optionsContext}) {
return this.getOptions(optionsContext);
2019-12-09 01:53:42 +00:00
}
_onApiOptionsGetFull() {
return this.getFullOptions();
}
async _onApiOptionsSet({changedOptions, optionsContext, source}) {
const options = await this.getOptions(optionsContext);
function getValuePaths(obj) {
const valuePaths = [];
const nodes = [{obj, path: []}];
while (nodes.length > 0) {
const node = nodes.pop();
for (const key of Object.keys(node.obj)) {
const path = node.path.concat(key);
const obj = node.obj[key];
if (obj !== null && typeof obj === 'object') {
nodes.unshift({obj, path});
} else {
valuePaths.push([obj, path]);
}
}
}
return valuePaths;
}
function modifyOption(path, value, options) {
let pivot = options;
for (const key of path.slice(0, -1)) {
if (!hasOwn(pivot, key)) {
return false;
}
pivot = pivot[key];
}
pivot[path[path.length - 1]] = value;
return true;
}
for (const [value, path] of getValuePaths(changedOptions)) {
modifyOption(path, value, options);
}
2019-12-13 01:00:14 +00:00
await this._onApiOptionsSave({source});
2019-12-09 01:53:42 +00:00
}
async _onApiOptionsSave({source}) {
const options = await this.getFullOptions();
await optionsSave(options);
this.onOptionsUpdated(source);
}
async _onApiKanjiFind({text, optionsContext}) {
const options = await this.getOptions(optionsContext);
const definitions = await this.translator.findKanji(text, options);
definitions.splice(options.general.maxResults);
return definitions;
2019-12-09 01:53:42 +00:00
}
async _onApiTermsFind({text, details, optionsContext}) {
const options = await this.getOptions(optionsContext);
const [definitions, length] = await this.translator.findTerms(text, details, options);
definitions.splice(options.general.maxResults);
return {length, definitions};
2019-12-09 01:53:42 +00:00
}
async _onApiTextParse({text, optionsContext}) {
const options = await this.getOptions(optionsContext);
const results = [];
while (text.length > 0) {
const term = [];
const [definitions, sourceLength] = await this.translator.findTermsInternal(
text.substring(0, options.scanning.length),
dictEnabledSet(options),
2020-01-25 22:46:23 +00:00
{},
options
);
if (definitions.length > 0) {
dictTermsSort(definitions);
const {expression, reading} = definitions[0];
const source = text.substring(0, sourceLength);
for (const {text, furigana} of jpDistributeFuriganaInflected(expression, reading, source)) {
const reading = jpConvertReading(text, furigana, options.parsing.readingMode);
term.push({text, reading});
}
text = text.substring(source.length);
} else {
const reading = jpConvertReading(text[0], null, options.parsing.readingMode);
term.push({text: text[0], reading});
text = text.substring(1);
}
results.push(term);
}
return results;
2019-12-09 01:53:42 +00:00
}
async _onApiTextParseMecab({text, optionsContext}) {
const options = await this.getOptions(optionsContext);
const results = {};
const rawResults = await this.mecab.parseText(text);
for (const mecabName in rawResults) {
const result = [];
for (const parsedLine of rawResults[mecabName]) {
for (const {expression, reading, source} of parsedLine) {
const term = [];
if (expression !== null && reading !== null) {
for (const {text, furigana} of jpDistributeFuriganaInflected(
expression,
jpKatakanaToHiragana(reading),
source
)) {
const reading = jpConvertReading(text, furigana, options.parsing.readingMode);
term.push({text, reading});
}
} else {
const reading = jpConvertReading(source, null, options.parsing.readingMode);
term.push({text: source, reading});
}
result.push(term);
}
result.push([{text: '\n'}]);
}
results[mecabName] = result;
}
return results;
2019-12-09 01:53:42 +00:00
}
async _onApiDefinitionAdd({definition, mode, context, optionsContext}) {
const options = await this.getOptions(optionsContext);
const templates = Backend._getTemplates(options);
if (mode !== 'kanji') {
await audioInject(
definition,
options.anki.terms.fields,
options.audio.sources,
optionsContext
);
}
if (context && context.screenshot) {
await this._injectScreenshot(
definition,
options.anki.terms.fields,
context.screenshot
);
}
const note = await dictNoteFormat(definition, mode, options, templates);
return this.anki.addNote(note);
2019-12-09 01:53:42 +00:00
}
async _onApiDefinitionsAddable({definitions, modes, optionsContext}) {
const options = await this.getOptions(optionsContext);
const templates = Backend._getTemplates(options);
const states = [];
try {
const notes = [];
for (const definition of definitions) {
for (const mode of modes) {
const note = await dictNoteFormat(definition, mode, options, templates);
notes.push(note);
}
}
const cannotAdd = [];
const results = await this.anki.canAddNotes(notes);
for (let resultBase = 0; resultBase < results.length; resultBase += modes.length) {
const state = {};
for (let modeOffset = 0; modeOffset < modes.length; ++modeOffset) {
const index = resultBase + modeOffset;
const result = results[index];
const info = {canAdd: result};
state[modes[modeOffset]] = info;
if (!result) {
cannotAdd.push([notes[index], info]);
}
}
states.push(state);
}
if (cannotAdd.length > 0) {
const noteIdsArray = await this.anki.findNoteIds(cannotAdd.map((e) => e[0]));
for (let i = 0, ii = Math.min(cannotAdd.length, noteIdsArray.length); i < ii; ++i) {
const noteIds = noteIdsArray[i];
if (noteIds.length > 0) {
cannotAdd[i][1].noteId = noteIds[0];
}
}
}
} catch (e) {
// NOP
}
return states;
2019-12-09 01:53:42 +00:00
}
async _onApiNoteView({noteId}) {
return this.anki.guiBrowse(`nid:${noteId}`);
2019-12-09 01:53:42 +00:00
}
2020-02-14 01:18:15 +00:00
async _onApiTemplateRender({template, data}) {
return handlebarsRenderDynamic(template, data);
2019-12-09 01:53:42 +00:00
}
async _onApiCommandExec({command, params}) {
2019-12-13 00:59:43 +00:00
return this._runCommand(command, params);
2019-12-09 01:53:42 +00:00
}
async _onApiAudioGetUrl({definition, source, optionsContext}) {
const options = await this.getOptions(optionsContext);
return await audioGetUrl(definition, source, options);
2019-12-09 01:53:42 +00:00
}
_onApiScreenshotGet({options}, sender) {
if (!(sender && sender.tab)) {
return Promise.resolve();
}
const windowId = sender.tab.windowId;
return new Promise((resolve) => {
chrome.tabs.captureVisibleTab(windowId, options, (dataUrl) => resolve(dataUrl));
});
2019-12-09 01:53:42 +00:00
}
_onApiForward({action, params}, sender) {
if (!(sender && sender.tab)) {
return Promise.resolve();
}
const tabId = sender.tab.id;
return new Promise((resolve) => {
chrome.tabs.sendMessage(tabId, {action, params}, (response) => resolve(response));
});
2019-12-09 01:53:42 +00:00
}
_onApiFrameInformationGet(params, sender) {
const frameId = sender.frameId;
return Promise.resolve({frameId});
2019-12-09 01:53:42 +00:00
}
_onApiInjectStylesheet({css}, sender) {
if (!sender.tab) {
return Promise.reject(new Error('Invalid tab'));
}
const tabId = sender.tab.id;
const frameId = sender.frameId;
const details = {
code: css,
runAt: 'document_start',
cssOrigin: 'user',
allFrames: false
};
if (typeof frameId === 'number') {
details.frameId = frameId;
}
return new Promise((resolve, reject) => {
chrome.tabs.insertCSS(tabId, details, () => {
const e = chrome.runtime.lastError;
if (e) {
reject(new Error(e.message));
} else {
resolve();
}
});
});
2019-12-09 01:53:42 +00:00
}
async _onApiGetEnvironmentInfo() {
const browser = await Backend._getBrowser();
const platform = await new Promise((resolve) => chrome.runtime.getPlatformInfo(resolve));
return {
browser,
platform: {
os: platform.os
}
};
2019-12-09 01:53:42 +00:00
}
async _onApiClipboardGet() {
/*
Notes:
document.execCommand('paste') doesn't work on Firefox.
This may be a bug: https://bugzilla.mozilla.org/show_bug.cgi?id=1603985
Therefore, navigator.clipboard.readText() is used on Firefox.
navigator.clipboard.readText() can't be used in Chrome for two reasons:
* Requires page to be focused, else it rejects with an exception.
* When the page is focused, Chrome will request clipboard permission, despite already
being an extension with clipboard permissions. It effectively asks for the
non-extension permission for clipboard access.
*/
const browser = await Backend._getBrowser();
if (browser === 'firefox' || browser === 'firefox-mobile') {
return await navigator.clipboard.readText();
} else {
const clipboardPasteTarget = this.clipboardPasteTarget;
clipboardPasteTarget.value = '';
clipboardPasteTarget.focus();
document.execCommand('paste');
const result = clipboardPasteTarget.value;
clipboardPasteTarget.value = '';
return result;
}
2019-12-09 01:53:42 +00:00
}
async _onApiGetDisplayTemplatesHtml() {
const url = chrome.runtime.getURL('/mixed/display-templates.html');
return await requestText(url, 'GET');
}
2020-02-06 02:00:02 +00:00
async _onApiGetQueryParserTemplatesHtml() {
const url = chrome.runtime.getURL('/bg/query-parser-templates.html');
return await requestText(url, 'GET');
}
_onApiGetZoom(params, sender) {
if (!sender || !sender.tab) {
return Promise.reject(new Error('Invalid tab'));
}
return new Promise((resolve, reject) => {
const tabId = sender.tab.id;
if (!(
chrome.tabs !== null &&
typeof chrome.tabs === 'object' &&
typeof chrome.tabs.getZoom === 'function'
)) {
// Not supported
resolve({zoomFactor: 1.0});
return;
}
chrome.tabs.getZoom(tabId, (zoomFactor) => {
const e = chrome.runtime.lastError;
if (e) {
reject(new Error(e.message));
} else {
resolve({zoomFactor});
}
});
});
}
// Command handlers
async _onCommandSearch(params) {
2020-02-09 20:16:52 +00:00
const {mode='existingOrNewTab', query} = params || {};
2020-01-25 15:54:07 +00:00
2020-01-25 16:18:40 +00:00
const options = await this.getOptions(this.optionsContext);
2020-01-25 15:54:07 +00:00
const {popupWidth, popupHeight} = options.general;
const baseUrl = chrome.runtime.getURL('/bg/search.html');
2020-02-02 14:08:19 +00:00
const queryParams = {mode};
if (query && query.length > 0) { queryParams.query = query; }
const queryString = new URLSearchParams(queryParams).toString();
const url = `${baseUrl}?${queryString}`;
2020-01-25 15:54:07 +00:00
2020-02-09 22:09:29 +00:00
const isTabMatch = (url2) => {
if (url2 === null || !url2.startsWith(baseUrl)) { return false; }
const {baseUrl: baseUrl2, queryParams: queryParams2} = parseUrl(url2);
return baseUrl2 === baseUrl && (queryParams2.mode === mode || (!queryParams2.mode && mode === 'existingOrNewTab'));
};
2020-02-09 22:39:05 +00:00
const openInTab = async () => {
const tab = await Backend._findTab(1000, isTabMatch);
if (tab !== null) {
await Backend._focusTab(tab);
if (queryParams.query) {
await new Promise((resolve) => chrome.tabs.sendMessage(
tab.id, {action: 'searchQueryUpdate', params: {query: queryParams.query}}, resolve
));
2020-02-09 22:39:05 +00:00
}
return true;
}
};
2020-01-25 15:54:07 +00:00
switch (mode) {
2020-02-09 19:06:59 +00:00
case 'existingOrNewTab':
2020-01-25 15:54:07 +00:00
try {
2020-02-09 22:39:05 +00:00
if (await openInTab()) { return; }
2020-01-25 15:54:07 +00:00
} catch (e) {
// NOP
}
2020-01-25 15:54:07 +00:00
chrome.tabs.create({url});
return;
case 'newTab':
chrome.tabs.create({url});
return;
case 'popup':
2020-02-09 22:39:05 +00:00
try {
// chrome.windows not supported (e.g. on Firefox mobile)
2020-02-09 22:39:05 +00:00
if (!isObject(chrome.windows)) { return; }
if (await openInTab()) { return; }
// if the previous popup is open in an invalid state, close it
if (this.popupWindow !== null) {
const callback = () => this.checkLastError(chrome.runtime.lastError);
chrome.windows.remove(this.popupWindow.id, callback);
}
// open new popup
this.popupWindow = await new Promise((resolve) => chrome.windows.create(
{url, width: popupWidth, height: popupHeight, type: 'popup'},
resolve
));
} catch (e) {
// NOP
2020-01-25 15:54:07 +00:00
}
return;
}
}
_onCommandHelp() {
chrome.tabs.create({url: 'https://foosoft.net/projects/yomichan/'});
}
_onCommandOptions(params) {
if (!(params && params.newTab)) {
chrome.runtime.openOptionsPage();
} else {
const manifest = chrome.runtime.getManifest();
const url = chrome.runtime.getURL(manifest.options_ui.page);
chrome.tabs.create({url});
}
}
async _onCommandToggle() {
const optionsContext = {
depth: 0,
url: window.location.href
};
const source = 'popup';
const options = await this.getOptions(optionsContext);
options.general.enable = !options.general.enable;
2019-12-13 01:00:14 +00:00
await this._onApiOptionsSave({source});
}
// Utilities
async _injectScreenshot(definition, fields, screenshot) {
let usesScreenshot = false;
for (const name in fields) {
if (fields[name].includes('{screenshot}')) {
usesScreenshot = true;
break;
}
}
if (!usesScreenshot) {
return;
}
const dateToString = (date) => {
const year = date.getUTCFullYear();
const month = date.getUTCMonth().toString().padStart(2, '0');
const day = date.getUTCDate().toString().padStart(2, '0');
const hours = date.getUTCHours().toString().padStart(2, '0');
const minutes = date.getUTCMinutes().toString().padStart(2, '0');
const seconds = date.getUTCSeconds().toString().padStart(2, '0');
return `${year}-${month}-${day}-${hours}-${minutes}-${seconds}`;
};
const now = new Date(Date.now());
const filename = `yomichan_browser_screenshot_${definition.reading}_${dateToString(now)}.${screenshot.format}`;
const data = screenshot.dataUrl.replace(/^data:[\w\W]*?,/, '');
try {
await this.anki.storeMediaFile(filename, data);
} catch (e) {
return;
}
definition.screenshotFileName = filename;
}
static _getTabUrl(tab) {
return new Promise((resolve) => {
chrome.tabs.sendMessage(tab.id, {action: 'getUrl'}, {frameId: 0}, (response) => {
let url = null;
if (!chrome.runtime.lastError) {
url = (response !== null && typeof response === 'object' && !Array.isArray(response) ? response.url : null);
if (url !== null && typeof url !== 'string') {
url = null;
}
}
resolve({tab, url});
});
});
}
static async _findTab(timeout, checkUrl) {
// This function works around the need to have the "tabs" permission to access tab.url.
const tabs = await new Promise((resolve) => chrome.tabs.query({}, resolve));
let matchPromiseResolve = null;
const matchPromise = new Promise((resolve) => { matchPromiseResolve = resolve; });
const checkTabUrl = ({tab, url}) => {
if (checkUrl(url, tab)) {
matchPromiseResolve(tab);
}
};
const promises = [];
for (const tab of tabs) {
const promise = Backend._getTabUrl(tab);
promise.then(checkTabUrl);
promises.push(promise);
}
const racePromises = [
matchPromise,
Promise.all(promises).then(() => null)
];
if (typeof timeout === 'number') {
racePromises.push(new Promise((resolve) => setTimeout(() => resolve(null), timeout)));
}
return await Promise.race(racePromises);
}
static async _focusTab(tab) {
await new Promise((resolve, reject) => {
chrome.tabs.update(tab.id, {active: true}, () => {
const e = chrome.runtime.lastError;
if (e) { reject(e); }
else { resolve(); }
});
});
if (!(typeof chrome.windows === 'object' && chrome.windows !== null)) {
// Windows not supported (e.g. on Firefox mobile)
return;
}
try {
2020-02-01 19:39:26 +00:00
const tabWindow = await new Promise((resolve, reject) => {
chrome.windows.get(tab.windowId, {}, (tabWindow) => {
const e = chrome.runtime.lastError;
if (e) { reject(e); }
else { resolve(tabWindow); }
});
});
if (!tabWindow.focused) {
await new Promise((resolve, reject) => {
chrome.windows.update(tab.windowId, {focused: true}, () => {
const e = chrome.runtime.lastError;
if (e) { reject(e); }
else { resolve(); }
});
});
}
} catch (e) {
// Edge throws exception for no reason here.
}
}
static async _getBrowser() {
if (EXTENSION_IS_BROWSER_EDGE) {
return 'edge';
}
if (typeof browser !== 'undefined') {
try {
const info = await browser.runtime.getBrowserInfo();
if (info.name === 'Fennec') {
return 'firefox-mobile';
}
} catch (e) {
// NOP
}
return 'firefox';
} else {
return 'chrome';
}
}
static _getTemplates(options) {
const templates = options.anki.fieldTemplates;
return typeof templates === 'string' ? templates : profileOptionsGetDefaultFieldTemplates();
}
2017-08-14 04:11:10 +00:00
}
2017-08-06 02:02:03 +00:00
2019-12-09 01:53:42 +00:00
Backend._messageHandlers = new Map([
2019-12-14 21:40:05 +00:00
['optionsSchemaGet', (self, ...args) => self._onApiOptionsSchemaGet(...args)],
2019-12-09 01:53:42 +00:00
['optionsGet', (self, ...args) => self._onApiOptionsGet(...args)],
['optionsGetFull', (self, ...args) => self._onApiOptionsGetFull(...args)],
2019-12-09 01:53:42 +00:00
['optionsSet', (self, ...args) => self._onApiOptionsSet(...args)],
['optionsSave', (self, ...args) => self._onApiOptionsSave(...args)],
2019-12-09 01:53:42 +00:00
['kanjiFind', (self, ...args) => self._onApiKanjiFind(...args)],
['termsFind', (self, ...args) => self._onApiTermsFind(...args)],
['textParse', (self, ...args) => self._onApiTextParse(...args)],
['textParseMecab', (self, ...args) => self._onApiTextParseMecab(...args)],
['definitionAdd', (self, ...args) => self._onApiDefinitionAdd(...args)],
['definitionsAddable', (self, ...args) => self._onApiDefinitionsAddable(...args)],
['noteView', (self, ...args) => self._onApiNoteView(...args)],
['templateRender', (self, ...args) => self._onApiTemplateRender(...args)],
['commandExec', (self, ...args) => self._onApiCommandExec(...args)],
['audioGetUrl', (self, ...args) => self._onApiAudioGetUrl(...args)],
['screenshotGet', (self, ...args) => self._onApiScreenshotGet(...args)],
['forward', (self, ...args) => self._onApiForward(...args)],
['frameInformationGet', (self, ...args) => self._onApiFrameInformationGet(...args)],
['injectStylesheet', (self, ...args) => self._onApiInjectStylesheet(...args)],
['getEnvironmentInfo', (self, ...args) => self._onApiGetEnvironmentInfo(...args)],
['clipboardGet', (self, ...args) => self._onApiClipboardGet(...args)],
['getDisplayTemplatesHtml', (self, ...args) => self._onApiGetDisplayTemplatesHtml(...args)],
2020-02-06 02:00:02 +00:00
['getQueryParserTemplatesHtml', (self, ...args) => self._onApiGetQueryParserTemplatesHtml(...args)],
['getZoom', (self, ...args) => self._onApiGetZoom(...args)]
2019-12-09 01:53:42 +00:00
]);
Backend._commandHandlers = new Map([
['search', (self, ...args) => self._onCommandSearch(...args)],
['help', (self, ...args) => self._onCommandHelp(...args)],
['options', (self, ...args) => self._onCommandOptions(...args)],
['toggle', (self, ...args) => self._onCommandToggle(...args)]
]);
window.yomichanBackend = new Backend();
window.yomichanBackend.prepare();