451 lines
13 KiB
JavaScript
451 lines
13 KiB
JavaScript
/* global detectSloppyRegexps download prefs openURL FIREFOX CHROME VIVALDI
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openEditor debounce URLS ignoreChromeError queryTabs getTab
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styleManager db msg navigatorUtil iconUtil workerUtil */
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'use strict';
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// eslint-disable-next-line no-var
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var backgroundWorker = workerUtil.createWorker({
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url: '/background/background-worker.js'
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});
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window.API_METHODS = Object.assign(window.API_METHODS || {}, {
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getSectionsByUrl: styleManager.getSectionsByUrl,
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getStylesInfo: styleManager.getStylesInfo,
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getStylesInfoByUrl: styleManager.getStylesInfoByUrl,
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toggleStyle: styleManager.toggleStyle,
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deleteStyle: styleManager.deleteStyle,
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installStyle: styleManager.installStyle,
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editSave: styleManager.editSave,
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styleExists: styleManager.styleExists,
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getStyle: styleManager.get,
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getTabUrlPrefix() {
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return this.sender.tab.url.match(/^([\w-]+:\/+[^/#]+)/)[1];
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},
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download(msg) {
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delete msg.method;
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return download(msg.url, msg);
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},
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parseCss({code}) {
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return backgroundWorker.parseMozFormat({code});
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},
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getPrefs: prefs.getAll,
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// FIXME: who uses this?
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healthCheck: () => db.exec().then(() => true),
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detectSloppyRegexps,
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openEditor,
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updateIconBadge(count) {
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return updateIconBadge(this.sender.tab.id, count);
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},
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// exposed for stuff that requires followup sendMessage() like popup::openSettings
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// that would fail otherwise if another extension forced the tab to open
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// in the foreground thus auto-closing the popup (in Chrome)
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openURL,
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// FIXME: who use this?
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closeTab: (msg, sender, respond) => {
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chrome.tabs.remove(msg.tabId || sender.tab.id, () => {
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if (chrome.runtime.lastError && msg.tabId !== sender.tab.id) {
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respond(new Error(chrome.runtime.lastError.message));
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}
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});
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return true;
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},
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optionsCustomizeHotkeys() {
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return browser.runtime.openOptionsPage()
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.then(() => new Promise(resolve => setTimeout(resolve, 100)))
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.then(() => msg.broadcastExtension({method: 'optionsCustomizeHotkeys'}));
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},
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});
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// eslint-disable-next-line no-var
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var browserCommands, contextMenus;
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// *************************************************************************
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// register all listeners
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msg.on(onRuntimeMessage);
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// if (FIREFOX) {
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// see notes in apply.js for getStylesFallback
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// const MSG_GET_STYLES = 'getStyles:';
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// const MSG_GET_STYLES_LEN = MSG_GET_STYLES.length;
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// chrome.runtime.onConnect.addListener(port => {
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// if (!port.name.startsWith(MSG_GET_STYLES)) return;
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// const tabId = port.sender.tab.id;
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// const frameId = port.sender.frameId;
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// const options = tryJSONparse(port.name.slice(MSG_GET_STYLES_LEN));
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// port.disconnect();
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// FIXME: getStylesFallback?
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// getStyles(options).then(styles => {
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// if (!styles.length) return;
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// chrome.tabs.executeScript(tabId, {
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// code: `
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// applyOnMessage({
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// method: 'styleApply',
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// styles: ${JSON.stringify(styles)},
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// })
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// `,
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// runAt: 'document_start',
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// frameId,
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// });
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// });
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// });
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// }
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navigatorUtil.onUrlChange(({tabId, frameId}, type) => {
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if (type === 'committed') {
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// styles would be updated when content script is injected.
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return;
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}
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msg.sendTab(tabId, {method: 'urlChanged'}, {frameId})
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.catch(msg.broadcastError);
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});
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if (FIREFOX) {
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// FF applies page CSP even to content scripts, https://bugzil.la/1267027
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navigatorUtil.onCommitted(webNavUsercssInstallerFF, {
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url: [
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{hostSuffix: '.githubusercontent.com', urlSuffix: '.user.css'},
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{hostSuffix: '.githubusercontent.com', urlSuffix: '.user.styl'},
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]
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});
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// FF misses some about:blank iframes so we inject our content script explicitly
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navigatorUtil.onDOMContentLoaded(webNavIframeHelperFF, {
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url: [
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{urlEquals: 'about:blank'},
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]
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});
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}
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if (chrome.contextMenus) {
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chrome.contextMenus.onClicked.addListener((info, tab) =>
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contextMenus[info.menuItemId].click(info, tab));
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}
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if (chrome.commands) {
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// Not available in Firefox - https://bugzilla.mozilla.org/show_bug.cgi?id=1240350
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chrome.commands.onCommand.addListener(command => browserCommands[command]());
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}
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const tabIcons = new Map();
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chrome.tabs.onRemoved.addListener(tabId => tabIcons.delete(tabId));
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chrome.tabs.onReplaced.addListener((added, removed) => tabIcons.delete(removed));
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prefs.subscribe([
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'disableAll',
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'badgeDisabled',
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'badgeNormal',
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], () => debounce(refreshIconBadgeColor));
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prefs.subscribe([
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'show-badge'
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], () => debounce(refreshIconBadgeText));
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prefs.subscribe([
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'disableAll',
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'iconset',
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], () => debounce(refreshAllIcons));
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prefs.initializing.then(() => {
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refreshIconBadgeColor();
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refreshAllIconsBadgeText();
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refreshAllIcons();
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});
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navigatorUtil.onUrlChange(({tabId, frameId}, type) => {
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if (type === 'committed' && !frameId) {
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// it seems that the tab icon would be reset when pressing F5. We
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// invalidate the cache here so it would be refreshed.
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tabIcons.delete(tabId);
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}
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});
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// *************************************************************************
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chrome.runtime.onInstalled.addListener(({reason}) => {
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if (reason !== 'update') return;
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// translations may change
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localStorage.L10N = JSON.stringify({
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browserUIlanguage: chrome.i18n.getUILanguage(),
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});
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// themes may change
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delete localStorage.codeMirrorThemes;
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});
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// *************************************************************************
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// browser commands
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browserCommands = {
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openManage() {
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openURL({url: 'manage.html'});
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},
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styleDisableAll(info) {
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prefs.set('disableAll', info ? info.checked : !prefs.get('disableAll'));
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},
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};
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// *************************************************************************
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// context menus
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contextMenus = {
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'show-badge': {
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title: 'menuShowBadge',
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click: info => prefs.set(info.menuItemId, info.checked),
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},
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'disableAll': {
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title: 'disableAllStyles',
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click: browserCommands.styleDisableAll,
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},
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'open-manager': {
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title: 'openStylesManager',
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click: browserCommands.openManage,
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},
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'editor.contextDelete': {
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presentIf: () => !FIREFOX && prefs.get('editor.contextDelete'),
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title: 'editDeleteText',
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type: 'normal',
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contexts: ['editable'],
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documentUrlPatterns: [URLS.ownOrigin + 'edit*'],
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click: (info, tab) => {
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msg.sendTab(tab.id, {method: 'editDeleteText'});
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},
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}
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};
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if (chrome.contextMenus) {
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const createContextMenus = ids => {
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for (const id of ids) {
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let item = contextMenus[id];
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if (item.presentIf && !item.presentIf()) {
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continue;
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}
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item = Object.assign({id}, item);
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delete item.presentIf;
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item.title = chrome.i18n.getMessage(item.title);
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if (!item.type && typeof prefs.defaults[id] === 'boolean') {
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item.type = 'checkbox';
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item.checked = prefs.get(id);
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}
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if (!item.contexts) {
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item.contexts = ['browser_action'];
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}
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delete item.click;
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chrome.contextMenus.create(item, ignoreChromeError);
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}
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};
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// circumvent the bug with disabling check marks in Chrome 62-64
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const toggleCheckmark = CHROME >= 3172 && CHROME <= 3288 ?
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(id => chrome.contextMenus.remove(id, () => createContextMenus([id]) + ignoreChromeError())) :
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((id, checked) => chrome.contextMenus.update(id, {checked}, ignoreChromeError));
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const togglePresence = (id, checked) => {
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if (checked) {
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createContextMenus([id]);
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} else {
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chrome.contextMenus.remove(id, ignoreChromeError);
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}
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};
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const keys = Object.keys(contextMenus);
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prefs.subscribe(keys.filter(id => typeof prefs.defaults[id] === 'boolean'), toggleCheckmark);
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prefs.subscribe(keys.filter(id => contextMenus[id].presentIf), togglePresence);
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createContextMenus(keys);
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}
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// reinject content scripts when the extension is reloaded/updated. Firefox
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// would handle this automatically.
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if (!FIREFOX) {
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reinjectContentScripts();
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}
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// register hotkeys
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if (FIREFOX && browser.commands && browser.commands.update) {
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const hotkeyPrefs = Object.keys(prefs.defaults).filter(k => k.startsWith('hotkey.'));
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prefs.subscribe(hotkeyPrefs, (name, value) => {
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try {
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name = name.split('.')[1];
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if (value.trim()) {
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browser.commands.update({name, shortcut: value});
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} else {
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browser.commands.reset(name);
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}
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} catch (e) {}
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});
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}
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msg.broadcastTab({method: 'backgroundReady'});
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function reinjectContentScripts() {
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const NTP = 'chrome://newtab/';
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const ALL_URLS = '<all_urls>';
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const contentScripts = chrome.runtime.getManifest().content_scripts;
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// expand * as .*?
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const wildcardAsRegExp = (s, flags) => new RegExp(
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s.replace(/[{}()[\]/\\.+?^$:=!|]/g, '\\$&')
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.replace(/\*/g, '.*?'), flags);
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for (const cs of contentScripts) {
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cs.matches = cs.matches.map(m => (
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m === ALL_URLS ? m : wildcardAsRegExp(m)
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));
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}
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const injectCS = (cs, tabId) => {
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ignoreChromeError();
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for (const file of cs.js) {
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chrome.tabs.executeScript(tabId, {
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file,
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runAt: cs.run_at,
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allFrames: cs.all_frames,
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matchAboutBlank: cs.match_about_blank,
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}, ignoreChromeError);
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}
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};
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const pingCS = (cs, {id, url}) => {
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cs.matches.some(match => {
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if ((match === ALL_URLS || url.match(match)) &&
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(!url.startsWith('chrome') || url === NTP)) {
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msg.sendTab(id, {method: 'ping'})
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.catch(() => false)
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.then(pong => !pong && injectCS(cs, id));
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return true;
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}
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});
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};
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queryTabs().then(tabs =>
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tabs.forEach(tab => {
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// skip lazy-loaded aka unloaded tabs that seem to start loading on message in FF
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if (tab.width) {
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contentScripts.forEach(cs =>
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setTimeout(pingCS, 0, cs, tab));
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}
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}));
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}
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function webNavUsercssInstallerFF(data) {
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const {tabId} = data;
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Promise.all([
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msg.sendTab(tabId, {method: 'ping'})
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.catch(() => false),
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// we need tab index to open the installer next to the original one
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// and also to skip the double-invocation in FF which assigns tab url later
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getTab(tabId),
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]).then(([pong, tab]) => {
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if (pong !== true && tab.url !== 'about:blank') {
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window.API_METHODS.openUsercssInstallPage({direct: true}, {tab});
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}
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});
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}
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function webNavIframeHelperFF({tabId, frameId}) {
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if (!frameId) return;
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msg.sendTab(tabId, {method: 'ping'}, {frameId})
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.catch(() => false)
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.then(pong => {
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if (pong) return;
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// insert apply.js to iframe
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const files = chrome.runtime.getManifest().content_scripts[0].js;
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for (const file of files) {
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chrome.tabs.executeScript(tabId, {
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frameId,
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file,
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matchAboutBlank: true,
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}, ignoreChromeError);
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}
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});
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}
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function updateIconBadge(tabId, count) {
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let tabIcon = tabIcons.get(tabId);
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if (!tabIcon) tabIcons.set(tabId, (tabIcon = {}));
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if (tabIcon.count === count) {
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return;
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}
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const oldCount = tabIcon.count;
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tabIcon.count = count;
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refreshIconBadgeText(tabId, tabIcon);
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if (Boolean(oldCount) !== Boolean(count)) {
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refreshIcon(tabId, tabIcon);
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}
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}
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function refreshIconBadgeText(tabId, icon) {
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iconUtil.setBadgeText({
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text: prefs.get('show-badge') && icon.count ? String(icon.count) : '',
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tabId
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});
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}
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function refreshIcon(tabId, icon) {
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const disableAll = prefs.get('disableAll');
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const iconset = prefs.get('iconset') === 1 ? 'light/' : '';
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const postfix = disableAll ? 'x' : !icon.count ? 'w' : '';
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const iconType = iconset + postfix;
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if (icon.iconType === iconType) {
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return;
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}
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icon.iconType = iconset + postfix;
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const sizes = FIREFOX || CHROME >= 2883 && !VIVALDI ? [16, 32] : [19, 38];
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iconUtil.setIcon({
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path: sizes.reduce(
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(obj, size) => {
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obj[size] = `/images/icon/${iconset}${size}${postfix}.png`;
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return obj;
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},
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{}
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),
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tabId
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});
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}
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function refreshIconBadgeColor() {
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const color = prefs.get(prefs.get('disableAll') ? 'badgeDisabled' : 'badgeNormal');
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iconUtil.setBadgeBackgroundColor({
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color
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});
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}
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function refreshAllIcons() {
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for (const [tabId, icon] of tabIcons) {
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refreshIcon(tabId, icon);
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}
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refreshIcon(null, {}); // default icon
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}
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function refreshAllIconsBadgeText() {
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for (const [tabId, icon] of tabIcons) {
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refreshIconBadgeText(tabId, icon);
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}
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}
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function onRuntimeMessage(msg, sender) {
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if (msg.method !== 'invokeAPI') {
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return;
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}
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const fn = window.API_METHODS[msg.name];
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if (!fn) {
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throw new Error(`unknown API: ${msg.name}`);
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}
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const context = {msg, sender};
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return fn.apply(context, msg.args);
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}
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function openEditor({id}) {
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let url = '/edit.html';
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if (id) {
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url += `?id=${id}`;
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}
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if (chrome.windows && prefs.get('openEditInWindow')) {
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chrome.windows.create(Object.assign({url}, prefs.get('windowPosition')));
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} else {
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openURL({url});
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}
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}
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