420 lines
13 KiB
JavaScript
420 lines
13 KiB
JavaScript
/* global $ $$ $create setupLivePrefs waitForSelector */// dom.js
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/* global API */// msg.js
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/* global CODEMIRROR_THEMES */
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/* global CodeMirror */
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/* global MozDocMapper */// sections-util.js
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/* global initBeautifyButton */// beautify.js
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/* global prefs */
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/* global t */// localization.js
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/* global
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FIREFOX
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debounce
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getOwnTab
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sessionStore
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tryJSONparse
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tryURL
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*/// toolbox.js
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/* global EventEmitter */
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'use strict';
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/**
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* @type Editor
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* @namespace Editor
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*/
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const editor = Object.assign(EventEmitter(), {
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style: null,
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dirty: DirtyReporter(),
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isUsercss: false,
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isWindowed: false,
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lazyKeymaps: {
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emacs: '/vendor/codemirror/keymap/emacs',
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vim: '/vendor/codemirror/keymap/vim',
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},
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livePreview: null,
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/** @type {'customName'|'name'} */
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nameTarget: 'name',
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previewDelay: 200, // Chrome devtools uses 200
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scrollInfo: null,
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onStyleUpdated() {
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document.documentElement.classList.toggle('is-new-style', !editor.style.id);
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},
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updateTitle(isDirty = editor.dirty.isDirty()) {
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const {customName, name} = editor.style;
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document.title = `${
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isDirty ? '* ' : ''
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}${
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customName || name || t('styleMissingName')
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} - Stylus`; // the suffix enables external utilities to process our windows e.g. pin on top
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},
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});
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//#region pre-init
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const baseInit = (() => {
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const domReady = waitForSelector('#sections');
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return {
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domReady,
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ready: Promise.all([
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domReady,
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loadStyle(),
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prefs.ready.then(() =>
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Promise.all([
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loadTheme(),
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loadKeymaps(),
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])),
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]),
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};
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/** Preloads vim/emacs keymap only if it's the active one, otherwise will load later */
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function loadKeymaps() {
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const km = prefs.get('editor.keyMap');
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return /emacs/i.test(km) && require([editor.lazyKeymaps.emacs]) ||
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/vim/i.test(km) && require([editor.lazyKeymaps.vim]);
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}
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async function loadStyle() {
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const params = new URLSearchParams(location.search);
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const id = Number(params.get('id'));
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const style = id && await API.styles.get(id) || {
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name: params.get('domain') ||
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tryURL(params.get('url-prefix')).hostname ||
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'',
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enabled: true,
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sections: [
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MozDocMapper.toSection([...params], {code: ''}),
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],
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};
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// switching the mode here to show the correct page ASAP, usually before DOMContentLoaded
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editor.isUsercss = Boolean(style.usercssData || !style.id && prefs.get('newStyleAsUsercss'));
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editor.style = style;
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editor.onStyleUpdated();
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editor.updateTitle(false);
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document.documentElement.classList.toggle('usercss', editor.isUsercss);
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sessionStore.justEditedStyleId = style.id || '';
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// no such style so let's clear the invalid URL parameters
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if (!style.id) history.replaceState({}, '', location.pathname);
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}
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/** Preloads the theme so CodeMirror can use the correct metrics in its first render */
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async function loadTheme() {
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const theme = prefs.get('editor.theme');
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if (!CODEMIRROR_THEMES.includes(theme)) {
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prefs.set('editor.theme', 'default');
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return;
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}
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if (theme !== 'default') {
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const el = $('#cm-theme');
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const el2 = await require([`/vendor/codemirror/theme/${theme}.css`]);
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el2.id = el.id;
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el.remove();
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// FF containers take more time to load CSS
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for (let retry = 0; !el2.sheet && ++retry <= 10;) {
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await new Promise(requestAnimationFrame);
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}
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}
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}
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})();
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//#endregion
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//#region init layout/resize
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// baseInit.domReady.then(() => {
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// let headerHeight;
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// detectLayout(true);
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// window.on('resize', () => detectLayout());
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// function detectLayout(now) {
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// const compact = window.innerWidth <= 850;
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// if (compact) {
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// document.body.classList.add('compact-layout');
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// if (!editor.isUsercss) {
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// if (now) fixedHeader();
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// else debounce(fixedHeader, 250);
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// window.on('scroll', fixedHeader, {passive: true});
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// }
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// } else {
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// document.body.classList.remove('compact-layout', 'fixed-header');
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// window.off('scroll', fixedHeader);
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// }
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// for (const el of $$('details[data-pref]')) {
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// el.open = compact ? false : prefs.get(el.dataset.pref);
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// }
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// }
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// function fixedHeader() {
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// const headerFixed = $('.fixed-header');
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// if (!headerFixed) headerHeight = $('#header').clientHeight;
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// const scrollPoint = headerHeight - 43;
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// if (window.scrollY >= scrollPoint && !headerFixed) {
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// $('body').style.setProperty('--fixed-padding', ` ${headerHeight}px`);
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// $('body').classList.add('fixed-header');
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// } else if (window.scrollY < scrollPoint && headerFixed) {
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// $('body').classList.remove('fixed-header');
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// }
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// }
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// });
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//#endregion
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//#region init header
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baseInit.ready.then(() => {
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initBeautifyButton($('#beautify'));
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initKeymapElement();
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initNameArea();
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initThemeElement();
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setupLivePrefs();
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require(Object.values(editor.lazyKeymaps), () => {
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initKeymapElement();
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prefs.subscribe('editor.keyMap', showHotkeyInTooltip, {runNow: true});
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window.on('showHotkeyInTooltip', showHotkeyInTooltip);
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});
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function findKeyForCommand(command, map) {
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if (typeof map === 'string') map = CodeMirror.keyMap[map];
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let key = Object.keys(map).find(k => map[k] === command);
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if (key) {
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return key;
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}
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for (const ft of Array.isArray(map.fallthrough) ? map.fallthrough : [map.fallthrough]) {
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key = ft && findKeyForCommand(command, ft);
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if (key) {
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return key;
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}
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}
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return '';
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}
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function initNameArea() {
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const nameEl = $('#name');
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const resetEl = $('#reset-name');
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const isCustomName = editor.style.updateUrl || editor.isUsercss;
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editor.nameTarget = isCustomName ? 'customName' : 'name';
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nameEl.placeholder = t(editor.isUsercss ? 'usercssEditorNamePlaceholder' : 'styleMissingName');
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nameEl.title = isCustomName ? t('customNameHint') : '';
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nameEl.on('input', () => {
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editor.updateName(true);
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resetEl.hidden = false;
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});
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resetEl.hidden = !editor.style.customName;
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resetEl.onclick = () => {
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const {style} = editor;
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nameEl.focus();
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nameEl.select();
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// trying to make it undoable via Ctrl-Z
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if (!document.execCommand('insertText', false, style.name)) {
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nameEl.value = style.name;
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editor.updateName(true);
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}
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style.customName = null; // to delete it from db
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resetEl.hidden = true;
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};
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const enabledEl = $('#enabled');
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enabledEl.onchange = () => editor.updateEnabledness(enabledEl.checked);
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}
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function initThemeElement() {
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$('#editor.theme').append(...[
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$create('option', {value: 'default'}, t('defaultTheme')),
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...CODEMIRROR_THEMES.map(s => $create('option', s)),
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]);
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// move the theme after built-in CSS so that its same-specificity selectors win
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document.head.appendChild($('#cm-theme'));
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}
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function initKeymapElement() {
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// move 'pc' or 'mac' prefix to the end of the displayed label
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const maps = Object.keys(CodeMirror.keyMap)
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.map(name => ({
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value: name,
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name: name.replace(/^(pc|mac)(.+)/, (s, arch, baseName) =>
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baseName.toLowerCase() + '-' + (arch === 'mac' ? 'Mac' : 'PC')),
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}))
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.sort((a, b) => a.name < b.name && -1 || a.name > b.name && 1);
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const fragment = document.createDocumentFragment();
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let bin = fragment;
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let groupName;
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// group suffixed maps in <optgroup>
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maps.forEach(({value, name}, i) => {
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groupName = !name.includes('-') ? name : groupName;
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const groupWithNext = maps[i + 1] && maps[i + 1].name.startsWith(groupName);
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if (groupWithNext) {
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if (bin === fragment) {
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bin = fragment.appendChild($create('optgroup', {label: name.split('-')[0]}));
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}
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}
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const el = bin.appendChild($create('option', {value}, name));
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if (value === prefs.defaults['editor.keyMap']) {
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el.dataset.default = '';
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el.title = t('defaultTheme');
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}
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if (!groupWithNext) bin = fragment;
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});
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const selector = $('#editor.keyMap');
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selector.textContent = '';
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selector.appendChild(fragment);
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selector.value = prefs.get('editor.keyMap');
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}
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function showHotkeyInTooltip(_, mapName = prefs.get('editor.keyMap')) {
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const extraKeys = CodeMirror.defaults.extraKeys;
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for (const el of $$('[data-hotkey-tooltip]')) {
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if (el._hotkeyTooltipKeyMap !== mapName) {
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el._hotkeyTooltipKeyMap = mapName;
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const title = el._hotkeyTooltipTitle = el._hotkeyTooltipTitle || el.title;
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const cmd = el.dataset.hotkeyTooltip;
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const key = cmd[0] === '=' ? cmd.slice(1) :
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findKeyForCommand(cmd, mapName) ||
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extraKeys && findKeyForCommand(cmd, extraKeys);
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const newTitle = title + (title && key ? '\n' : '') + (key || '');
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if (el.title !== newTitle) el.title = newTitle;
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}
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}
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}
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});
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//#endregion
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//#region init windowed mode
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(() => {
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let ownTabId;
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if (chrome.windows) {
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initWindowedMode();
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const pos = tryJSONparse(sessionStore.windowPos);
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delete sessionStore.windowPos;
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// resize the window on 'undo close'
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if (pos && pos.left != null) {
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chrome.windows.update(chrome.windows.WINDOW_ID_CURRENT, pos);
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}
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}
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getOwnTab().then(async tab => {
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ownTabId = tab.id;
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// use browser history back when 'back to manage' is clicked
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if (sessionStore['manageStylesHistory' + ownTabId] === location.href) {
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await baseInit.domReady;
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$('#cancel-button').onclick = event => {
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event.stopPropagation();
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event.preventDefault();
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history.back();
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};
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}
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});
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async function initWindowedMode() {
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chrome.tabs.onAttached.addListener(onTabAttached);
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const isSimple = (await browser.windows.getCurrent()).type === 'popup';
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if (isSimple) require(['/edit/embedded-popup']);
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editor.isWindowed = isSimple || (
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history.length === 1 &&
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await prefs.ready && prefs.get('openEditInWindow') &&
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(await browser.windows.getAll()).length > 1 &&
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(await browser.tabs.query({currentWindow: true})).length === 1
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);
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}
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async function onTabAttached(tabId, info) {
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if (tabId !== ownTabId) {
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return;
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}
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if (info.newPosition !== 0) {
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prefs.set('openEditInWindow', false);
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return;
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}
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const win = await browser.windows.get(info.newWindowId, {populate: true});
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// If there's only one tab in this window, it's been dragged to new window
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const openEditInWindow = win.tabs.length === 1;
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// FF-only because Chrome retardedly resets the size during dragging
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if (openEditInWindow && FIREFOX) {
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chrome.windows.update(info.newWindowId, prefs.get('windowPosition'));
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}
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prefs.set('openEditInWindow', openEditInWindow);
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}
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})();
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//#endregion
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//#region internals
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/** @returns DirtyReporter */
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function DirtyReporter() {
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const data = new Map();
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const listeners = new Set();
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const notifyChange = wasDirty => {
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if (wasDirty !== (data.size > 0)) {
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listeners.forEach(cb => cb());
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}
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};
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/** @namespace DirtyReporter */
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return {
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add(obj, value) {
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const wasDirty = data.size > 0;
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const saved = data.get(obj);
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if (!saved) {
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data.set(obj, {type: 'add', newValue: value});
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} else if (saved.type === 'remove') {
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if (saved.savedValue === value) {
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data.delete(obj);
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} else {
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saved.newValue = value;
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saved.type = 'modify';
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}
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}
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notifyChange(wasDirty);
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},
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clear(obj) {
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const wasDirty = data.size > 0;
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if (obj === undefined) {
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data.clear();
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} else {
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data.delete(obj);
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}
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notifyChange(wasDirty);
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},
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has(key) {
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return data.has(key);
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},
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isDirty() {
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return data.size > 0;
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},
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modify(obj, oldValue, newValue) {
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const wasDirty = data.size > 0;
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const saved = data.get(obj);
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if (!saved) {
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if (oldValue !== newValue) {
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data.set(obj, {type: 'modify', savedValue: oldValue, newValue});
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}
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} else if (saved.type === 'modify') {
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if (saved.savedValue === newValue) {
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data.delete(obj);
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} else {
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saved.newValue = newValue;
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}
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} else if (saved.type === 'add') {
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saved.newValue = newValue;
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}
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notifyChange(wasDirty);
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},
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onChange(cb, add = true) {
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listeners[add ? 'add' : 'delete'](cb);
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},
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remove(obj, value) {
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const wasDirty = data.size > 0;
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const saved = data.get(obj);
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if (!saved) {
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data.set(obj, {type: 'remove', savedValue: value});
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} else if (saved.type === 'add') {
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data.delete(obj);
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} else if (saved.type === 'modify') {
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saved.type = 'remove';
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}
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notifyChange(wasDirty);
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},
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};
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}
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//#endregion
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