yomichan/ext/bg/js/api.js
2019-11-10 13:36:35 -05:00

452 lines
13 KiB
JavaScript

/*
* 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/>.
*/
function apiOptionsGet(optionsContext) {
return utilBackend().getOptions(optionsContext);
}
async function apiOptionsSet(changedOptions, optionsContext, source) {
const options = await apiOptionsGet(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 (!pivot.hasOwnProperty(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);
}
await apiOptionsSave(source);
}
function apiOptionsGetFull() {
return utilBackend().getFullOptions();
}
async function apiOptionsSave(source) {
const backend = utilBackend();
const options = await apiOptionsGetFull();
await optionsSave(options);
backend.onOptionsUpdated(source);
}
async function apiTermsFind(text, optionsContext) {
const options = await apiOptionsGet(optionsContext);
const translator = utilBackend().translator;
const searcher = {
'merge': translator.findTermsMerged,
'split': translator.findTermsSplit,
'group': translator.findTermsGrouped
}[options.general.resultOutputMode].bind(translator);
const {definitions, length} = await searcher(
text,
dictEnabledSet(options),
options.scanning.alphanumeric,
options
);
return {
length,
definitions: definitions.slice(0, options.general.maxResults)
};
}
async function apiKanjiFind(text, optionsContext) {
const options = await apiOptionsGet(optionsContext);
const definitions = await utilBackend().translator.findKanji(text, dictEnabledSet(options));
return definitions.slice(0, options.general.maxResults);
}
async function apiDefinitionAdd(definition, mode, context, optionsContext) {
const options = await apiOptionsGet(optionsContext);
if (mode !== 'kanji') {
await audioInject(
definition,
options.anki.terms.fields,
options.audio.sources,
optionsContext
);
}
if (context && context.screenshot) {
await apiInjectScreenshot(
definition,
options.anki.terms.fields,
context.screenshot
);
}
const note = await dictNoteFormat(definition, mode, options);
return utilBackend().anki.addNote(note);
}
async function apiDefinitionsAddable(definitions, modes, optionsContext) {
const options = await apiOptionsGet(optionsContext);
const states = [];
try {
const notes = [];
for (const definition of definitions) {
for (const mode of modes) {
const note = await dictNoteFormat(definition, mode, options);
notes.push(note);
}
}
const cannotAdd = [];
const anki = utilBackend().anki;
const results = await 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 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;
}
async function apiNoteView(noteId) {
return utilBackend().anki.guiBrowse(`nid:${noteId}`);
}
async function apiTemplateRender(template, data, dynamic) {
if (dynamic) {
return handlebarsRenderDynamic(template, data);
} else {
return handlebarsRenderStatic(template, data);
}
}
async function apiCommandExec(command, params) {
const handlers = apiCommandExec.handlers;
if (handlers.hasOwnProperty(command)) {
const handler = handlers[command];
handler(params);
}
}
apiCommandExec.handlers = {
search: async (params) => {
const url = chrome.runtime.getURL('/bg/search.html');
if (!(params && params.newTab)) {
try {
const tab = await apiFindTab(1000, (url2) => (
url2 !== null &&
url2.startsWith(url) &&
(url2.length === url.length || url2[url.length] === '?' || url2[url.length] === '#')
));
if (tab !== null) {
await apiFocusTab(tab);
return;
}
} catch (e) {
// NOP
}
}
chrome.tabs.create({url});
},
help: () => {
chrome.tabs.create({url: 'https://foosoft.net/projects/yomichan/'});
},
options: (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});
}
},
toggle: async () => {
const optionsContext = {
depth: 0,
url: window.location.href
};
const options = await apiOptionsGet(optionsContext);
options.general.enable = !options.general.enable;
await apiOptionsSave('popup');
}
};
async function apiAudioGetUrl(definition, source, optionsContext) {
return audioGetUrl(definition, source, optionsContext);
}
async function apiInjectScreenshot(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 utilBackend().anki.storeMediaFile(filename, data);
} catch (e) {
return;
}
definition.screenshotFileName = filename;
}
function apiScreenshotGet(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));
});
}
function apiForward(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));
});
}
function apiFrameInformationGet(sender) {
const frameId = sender.frameId;
return Promise.resolve({frameId});
}
function apiInjectStylesheet(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();
}
});
});
}
async function apiGetEnvironmentInfo() {
const browser = await apiGetBrowser();
const platform = await new Promise((resolve) => chrome.runtime.getPlatformInfo(resolve));
return {
browser,
platform: {
os: platform.os
}
};
}
async function apiGetBrowser() {
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) { }
return 'firefox';
} else {
return 'chrome';
}
}
function apiGetTabUrl(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});
});
});
}
async function apiFindTab(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 = apiGetTabUrl(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);
}
async function apiFocusTab(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 {
const tabWindow = await new Promise((resolve) => {
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.
}
}
async function apiClipboardGet() {
const clipboardPasteTarget = utilBackend().clipboardPasteTarget;
clipboardPasteTarget.innerText = '';
clipboardPasteTarget.focus();
document.execCommand('paste');
return clipboardPasteTarget.innerText;
}