690 lines
21 KiB
JavaScript
690 lines
21 KiB
JavaScript
/* global
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$
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$$
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$create
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API
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clipString
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closeCurrentTab
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CodeMirror
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CODEMIRROR_THEMES
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debounce
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deepEqual
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DirtyReporter
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DocFuncMapper
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FIREFOX
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getEventKeyName
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getOwnTab
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initBeautifyButton
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linter
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messageBox
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moveFocus
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msg
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onDOMready
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prefs
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rerouteHotkeys
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SectionsEditor
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sessionStore
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setupLivePrefs
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SourceEditor
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t
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tryCatch
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tryJSONparse
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*/
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'use strict';
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/** @type {EditorBase|SourceEditor|SectionsEditor} */
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const editor = {
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isUsercss: false,
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previewDelay: 200, // Chrome devtools uses 200
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};
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let isSimpleWindow;
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let isWindowed;
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let headerHeight;
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window.on('beforeunload', beforeUnload);
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msg.onExtension(onRuntimeMessage);
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lazyInit();
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(async function init() {
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let style;
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let nameTarget;
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let wasDirty = false;
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const dirty = new DirtyReporter();
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await Promise.all([
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initStyle(),
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prefs.initializing
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.then(initTheme),
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onDOMready(),
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]);
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const scrollInfo = style.id && tryJSONparse(sessionStore['editorScrollInfo' + style.id]);
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/** @namespace EditorBase */
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Object.assign(editor, {
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style,
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dirty,
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scrollInfo,
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updateName,
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updateToc,
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toggleStyle,
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applyScrollInfo(cm, si = ((scrollInfo || {}).cms || [])[0]) {
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if (si && si.sel) {
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cm.operation(() => {
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cm.setSelections(...si.sel, {scroll: false});
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cm.scrollIntoView(cm.getCursor(), si.parentHeight / 2);
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});
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}
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},
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});
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prefs.subscribe('editor.linter', updateLinter);
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prefs.subscribe('editor.keyMap', showHotkeyInTooltip);
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window.on('showHotkeyInTooltip', showHotkeyInTooltip);
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showHotkeyInTooltip();
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buildThemeElement();
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buildKeymapElement();
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setupLivePrefs();
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initNameArea();
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initBeautifyButton($('#beautify'), () => editor.getEditors());
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initResizeListener();
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detectLayout();
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$('#heading').textContent = t(style.id ? 'editStyleHeading' : 'addStyleTitle');
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$('#preview-label').classList.toggle('hidden', !style.id);
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const toc = [];
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const elToc = $('#toc');
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elToc.onclick = e => editor.jumpToEditor([...elToc.children].indexOf(e.target));
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if (editor.isUsercss) {
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SourceEditor();
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} else {
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SectionsEditor();
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}
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prefs.subscribe('editor.toc.expanded', (k, val) => val && editor.updateToc(), {now: true});
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dirty.onChange(updateDirty);
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await editor.ready;
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editor.ready = true;
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setTimeout(() => editor.getEditors().forEach(linter.enableForEditor));
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// enabling after init to prevent flash of validation failure on an empty name
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$('#name').required = !editor.isUsercss;
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$('#save-button').onclick = editor.save;
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async function initStyle() {
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const params = new URLSearchParams(location.search);
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const id = Number(params.get('id'));
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style = id ? await API.getStyle(id) : initEmptyStyle(params);
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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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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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updateTitle(false);
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}
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function initEmptyStyle(params) {
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return {
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name: params.get('domain') ||
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tryCatch(() => new URL(params.get('url-prefix')).hostname) ||
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'',
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enabled: true,
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sections: [
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DocFuncMapper.toSection([...params], {code: ''}),
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],
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};
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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 = style.updateUrl || editor.isUsercss;
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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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updateName(true);
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resetEl.hidden = false;
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});
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resetEl.hidden = !style.customName;
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resetEl.onclick = () => {
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const style = editor.style;
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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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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 = () => updateEnabledness(enabledEl.checked);
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}
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function initResizeListener() {
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const {onBoundsChanged} = chrome.windows || {};
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if (onBoundsChanged) {
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// * movement is reported even if the window wasn't resized
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// * fired just once when done so debounce is not needed
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onBoundsChanged.addListener(async wnd => {
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// getting the current window id as it may change if the user attached/detached the tab
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const {id} = await browser.windows.getCurrent();
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if (id === wnd.id) saveWindowPos();
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});
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}
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window.on('resize', () => {
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if (!onBoundsChanged) debounce(saveWindowPos, 100);
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detectLayout();
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});
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}
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function initTheme() {
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return new Promise(resolve => {
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const theme = prefs.get('editor.theme');
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const el = $('#cm-theme');
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if (theme === 'default') {
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resolve();
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} else {
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// preload the theme so CodeMirror can use the correct metrics
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el.href = `vendor/codemirror/theme/${theme}.css`;
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el.on('load', resolve, {once: true});
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el.on('error', () => {
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prefs.set('editor.theme', 'default');
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resolve();
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}, {once: true});
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}
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});
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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 buildThemeElement() {
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const elOptions = [chrome.i18n.getMessage('defaultTheme'), ...CODEMIRROR_THEMES]
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.map(s => $create('option', s));
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elOptions[0].value = 'default';
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$('#editor.theme').append(...elOptions);
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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 buildKeymapElement() {
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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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$('#editor.keyMap').appendChild(fragment);
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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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function toggleStyle() {
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$('#enabled').checked = !style.enabled;
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updateEnabledness(!style.enabled);
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}
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function updateDirty() {
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const isDirty = dirty.isDirty();
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if (wasDirty !== isDirty) {
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wasDirty = isDirty;
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document.body.classList.toggle('dirty', isDirty);
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$('#save-button').disabled = !isDirty;
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}
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updateTitle();
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}
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function updateEnabledness(enabled) {
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dirty.modify('enabled', style.enabled, enabled);
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style.enabled = enabled;
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editor.updateLivePreview();
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}
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function updateName(isUserInput) {
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if (!editor) return;
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if (isUserInput) {
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const {value} = $('#name');
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dirty.modify('name', style[nameTarget] || style.name, value);
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style[nameTarget] = value;
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}
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updateTitle();
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}
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function updateTitle(isDirty = dirty.isDirty()) {
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document.title = `${isDirty ? '* ' : ''}${style.customName || style.name}`;
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}
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function updateLinter(key, value) {
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$('body').classList.toggle('linter-disabled', value === '');
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linter.run();
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}
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function updateToc(added = editor.sections) {
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const {sections} = editor;
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const first = sections.indexOf(added[0]);
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const elFirst = elToc.children[first];
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if (first >= 0 && (!added.focus || !elFirst)) {
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for (let el = elFirst, i = first; i < sections.length; i++) {
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const entry = sections[i].tocEntry;
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if (!deepEqual(entry, toc[i])) {
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if (!el) el = elToc.appendChild($create('li', {tabIndex: 0}));
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el.tabIndex = entry.removed ? -1 : 0;
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toc[i] = Object.assign({}, entry);
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const s = el.textContent = clipString(entry.label) || (
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entry.target == null
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? t('appliesToEverything')
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: clipString(entry.target) + (entry.numTargets > 1 ? ', ...' : ''));
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if (s.length > 30) el.title = s;
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}
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el = el.nextElementSibling;
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}
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}
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while (toc.length > sections.length) {
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elToc.lastElementChild.remove();
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toc.length--;
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}
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if (added.focus) {
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const cls = 'current';
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const old = $('.' + cls, elToc);
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const el = elFirst || elToc.children[first];
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if (old && old !== el) old.classList.remove(cls);
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el.classList.add(cls);
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}
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}
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})();
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/* Stuff not needed for the main init so we can let it run at its own tempo */
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function lazyInit() {
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let ownTabId;
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// not using `await` so we don't block the subsequent code
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getOwnTab().then(patchHistoryBack);
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// no windows on android
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if (chrome.windows) {
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restoreWindowSize();
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detectWindowedState();
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chrome.tabs.onAttached.addListener(onAttached);
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}
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async function patchHistoryBack(tab) {
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ownTabId = tab.id;
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// use browser history back when 'back to manage' is clicked
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if (sessionStore['manageStylesHistory' + ownTabId] === location.href) {
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await onDOMready();
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$('#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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/** resize on 'undo close' */
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function restoreWindowSize() {
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const pos = tryJSONparse(sessionStore.windowPos);
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delete sessionStore.windowPos;
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if (pos && pos.left != null && chrome.windows) {
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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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async function detectWindowedState() {
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isSimpleWindow =
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(await browser.windows.getCurrent()).type === 'popup';
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isWindowed = isSimpleWindow || (
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prefs.get('openEditInWindow') &&
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history.length === 1 &&
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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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if (isSimpleWindow) {
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await onDOMready();
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initPopupButton();
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}
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}
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function initPopupButton() {
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const POPUP_HOTKEY = 'Shift-Ctrl-Alt-S';
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const btn = $create('img', {
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id: 'popup-button',
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title: t('optionsCustomizePopup') + '\n' + POPUP_HOTKEY,
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onclick: embedPopup,
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});
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const onIconsetChanged = (_, val) => {
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const prefix = `images/icon/${val ? 'light/' : ''}`;
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btn.srcset = `${prefix}16.png 1x,${prefix}32.png 2x`;
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};
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prefs.subscribe('iconset', onIconsetChanged, {now: true});
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document.body.appendChild(btn);
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window.on('keydown', e => getEventKeyName(e) === POPUP_HOTKEY && embedPopup());
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CodeMirror.defaults.extraKeys[POPUP_HOTKEY] = 'openStylusPopup'; // adds to keymap help
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}
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async function onAttached(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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function onRuntimeMessage(request) {
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switch (request.method) {
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case 'styleUpdated':
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if (
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editor.style.id === request.style.id &&
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!['editPreview', 'editPreviewEnd', 'editSave', 'config']
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.includes(request.reason)
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) {
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Promise.resolve(
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request.codeIsUpdated === false ?
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request.style : API.getStyle(request.style.id)
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)
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.then(newStyle => {
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editor.replaceStyle(newStyle, request.codeIsUpdated);
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});
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}
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break;
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case 'styleDeleted':
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if (editor.style.id === request.style.id) {
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closeCurrentTab();
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break;
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}
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break;
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case 'editDeleteText':
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document.execCommand('delete');
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break;
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}
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}
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function beforeUnload(e) {
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sessionStore.windowPos = JSON.stringify(canSaveWindowPos() && prefs.get('windowPosition'));
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sessionStore['editorScrollInfo' + editor.style.id] = JSON.stringify({
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scrollY: window.scrollY,
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cms: editor.getEditors().map(cm => /** @namespace EditorScrollInfo */({
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focus: cm.hasFocus(),
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height: cm.display.wrapper.style.height.replace('100vh', ''),
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parentHeight: cm.display.wrapper.parentElement.offsetHeight,
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sel: cm.isClean() && [cm.doc.sel.ranges, cm.doc.sel.primIndex],
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})),
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});
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const activeElement = document.activeElement;
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if (activeElement) {
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// blurring triggers 'change' or 'input' event if needed
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activeElement.blur();
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// refocus if unloading was canceled
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setTimeout(() => activeElement.focus());
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}
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if (editor && editor.dirty.isDirty()) {
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// neither confirm() nor custom messages work in modern browsers but just in case
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e.returnValue = t('styleChangesNotSaved');
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}
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}
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function showHelp(title = '', body) {
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const div = $('#help-popup');
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div.className = '';
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const contents = $('.contents', div);
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contents.textContent = '';
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if (body) {
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contents.appendChild(typeof body === 'string' ? t.HTML(body) : body);
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}
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$('.title', div).textContent = title;
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showHelp.close = showHelp.close || (event => {
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const canClose =
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!event ||
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event.type === 'click' ||
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(
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event.key === 'Escape' &&
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!event.altKey && !event.ctrlKey && !event.shiftKey && !event.metaKey &&
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!$('.CodeMirror-hints, #message-box') &&
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(
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!document.activeElement ||
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!document.activeElement.closest('#search-replace-dialog') &&
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document.activeElement.matches(':not(input), .can-close-on-esc')
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)
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);
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if (!canClose) {
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return;
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}
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if (event && div.codebox && !div.codebox.options.readOnly && !div.codebox.isClean()) {
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setTimeout(() => {
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messageBox.confirm(t('confirmDiscardChanges'))
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.then(ok => ok && showHelp.close());
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});
|
|
return;
|
|
}
|
|
if (div.contains(document.activeElement) && showHelp.originalFocus) {
|
|
showHelp.originalFocus.focus();
|
|
}
|
|
div.style.display = '';
|
|
contents.textContent = '';
|
|
clearTimeout(contents.timer);
|
|
window.off('keydown', showHelp.close, true);
|
|
window.dispatchEvent(new Event('closeHelp'));
|
|
});
|
|
|
|
window.on('keydown', showHelp.close, true);
|
|
$('.dismiss', div).onclick = showHelp.close;
|
|
|
|
// reset any inline styles
|
|
div.style = 'display: block';
|
|
|
|
showHelp.originalFocus = document.activeElement;
|
|
return div;
|
|
}
|
|
|
|
/* exported showCodeMirrorPopup */
|
|
function showCodeMirrorPopup(title, html, options) {
|
|
const popup = showHelp(title, html);
|
|
popup.classList.add('big');
|
|
|
|
let cm = popup.codebox = CodeMirror($('.contents', popup), Object.assign({
|
|
mode: 'css',
|
|
lineNumbers: true,
|
|
lineWrapping: prefs.get('editor.lineWrapping'),
|
|
foldGutter: true,
|
|
gutters: ['CodeMirror-linenumbers', 'CodeMirror-foldgutter', 'CodeMirror-lint-markers'],
|
|
matchBrackets: true,
|
|
styleActiveLine: true,
|
|
theme: prefs.get('editor.theme'),
|
|
keyMap: prefs.get('editor.keyMap'),
|
|
}, options));
|
|
cm.focus();
|
|
rerouteHotkeys(false);
|
|
|
|
document.documentElement.style.pointerEvents = 'none';
|
|
popup.style.pointerEvents = 'auto';
|
|
|
|
const onKeyDown = event => {
|
|
if (event.key === 'Tab' && !event.ctrlKey && !event.altKey && !event.metaKey) {
|
|
const search = $('#search-replace-dialog');
|
|
const area = search && search.contains(document.activeElement) ? search : popup;
|
|
moveFocus(area, event.shiftKey ? -1 : 1);
|
|
event.preventDefault();
|
|
}
|
|
};
|
|
window.on('keydown', onKeyDown, true);
|
|
|
|
window.on('closeHelp', () => {
|
|
window.off('keydown', onKeyDown, true);
|
|
document.documentElement.style.removeProperty('pointer-events');
|
|
rerouteHotkeys(true);
|
|
cm = popup.codebox = null;
|
|
}, {once: true});
|
|
|
|
return popup;
|
|
}
|
|
|
|
function canSaveWindowPos() {
|
|
return isWindowed &&
|
|
document.visibilityState === 'visible' &&
|
|
prefs.get('openEditInWindow') &&
|
|
!isWindowMaximized();
|
|
}
|
|
|
|
function saveWindowPos() {
|
|
if (canSaveWindowPos()) {
|
|
prefs.set('windowPosition', {
|
|
left: window.screenX,
|
|
top: window.screenY,
|
|
width: window.outerWidth,
|
|
height: window.outerHeight,
|
|
});
|
|
}
|
|
}
|
|
|
|
function fixedHeader() {
|
|
const headerFixed = $('.fixed-header');
|
|
if (!headerFixed) headerHeight = $('#header').clientHeight;
|
|
const scrollPoint = headerHeight - 43;
|
|
if (window.scrollY >= scrollPoint && !headerFixed) {
|
|
$('body').style.setProperty('--fixed-padding', ` ${headerHeight}px`);
|
|
$('body').classList.add('fixed-header');
|
|
} else if (window.scrollY < scrollPoint && headerFixed) {
|
|
$('body').classList.remove('fixed-header');
|
|
}
|
|
}
|
|
|
|
function detectLayout() {
|
|
const compact = window.innerWidth <= 850;
|
|
if (compact) {
|
|
document.body.classList.add('compact-layout');
|
|
if (!editor.isUsercss) {
|
|
debounce(fixedHeader, 250);
|
|
window.on('scroll', fixedHeader, {passive: true});
|
|
}
|
|
} else {
|
|
document.body.classList.remove('compact-layout', 'fixed-header');
|
|
window.off('scroll', fixedHeader);
|
|
}
|
|
for (const type of ['options', 'toc', 'lint']) {
|
|
const el = $(`details[data-pref="editor.${type}.expanded"]`);
|
|
el.open = compact ? false : prefs.get(el.dataset.pref);
|
|
}
|
|
}
|
|
|
|
function isWindowMaximized() {
|
|
return (
|
|
window.screenX <= 0 &&
|
|
window.screenY <= 0 &&
|
|
window.outerWidth >= screen.availWidth &&
|
|
window.outerHeight >= screen.availHeight &&
|
|
|
|
window.screenX > -10 &&
|
|
window.screenY > -10 &&
|
|
window.outerWidth < screen.availWidth + 10 &&
|
|
window.outerHeight < screen.availHeight + 10
|
|
);
|
|
}
|
|
|
|
function embedPopup() {
|
|
const ID = 'popup-iframe';
|
|
const SEL = '#' + ID;
|
|
if ($(SEL)) return;
|
|
const frame = $create('iframe', {
|
|
id: ID,
|
|
src: chrome.runtime.getManifest().browser_action.default_popup,
|
|
height: 600,
|
|
width: prefs.get('popupWidth'),
|
|
onload() {
|
|
frame.onload = null;
|
|
frame.focus();
|
|
const pw = frame.contentWindow;
|
|
pw.on('keydown', e => getEventKeyName(e) === 'Escape' && embedPopup._close());
|
|
pw.close = embedPopup._close;
|
|
if (pw.IntersectionObserver) {
|
|
let loaded;
|
|
new pw.IntersectionObserver(([e]) => {
|
|
const el = pw.document.scrollingElement;
|
|
const h = e.isIntersecting && !pw.scrollY ? el.offsetHeight : el.scrollHeight;
|
|
const hasSB = h > el.offsetHeight;
|
|
frame.height = h;
|
|
if (!hasSB !== !frame._scrollbarWidth) {
|
|
frame._scrollbarWidth = hasSB ? e.boundingClientRect.width - el.offsetWidth : 0;
|
|
frame.width = prefs.get('popupWidth') + frame._scrollbarWidth;
|
|
}
|
|
if (!loaded) {
|
|
loaded = true;
|
|
frame.dataset.loaded = '';
|
|
}
|
|
}).observe(pw.document.body.appendChild(
|
|
$create('div', {style: {height: '1px', marginTop: '-1px'}})
|
|
));
|
|
} else {
|
|
frame.dataset.loaded = '';
|
|
frame.height = pw.document.body.scrollHeight;
|
|
}
|
|
},
|
|
});
|
|
if (!embedPopup._close) {
|
|
embedPopup._close = () => {
|
|
$.remove(SEL);
|
|
window.off('mousedown', embedPopup._close);
|
|
};
|
|
prefs.subscribe('popupWidth', (_, w) => {
|
|
const el = $(SEL);
|
|
if (el) el.width = w + el._scrollbarWidth;
|
|
}, {now: true});
|
|
}
|
|
window.on('mousedown', embedPopup._close);
|
|
document.body.appendChild(frame);
|
|
}
|