588 lines
19 KiB
JavaScript
588 lines
19 KiB
JavaScript
/* global CodeMirror onDOMready prefs setupLivePrefs $ $$ $create t tHTML
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createSourceEditor sessionStorageHash getOwnTab FIREFOX API tryCatch
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closeCurrentTab messageBox debounce
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initBeautifyButton ignoreChromeError dirtyReporter linter
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moveFocus msg createSectionsEditor rerouteHotkeys CODEMIRROR_THEMES */
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/* exported showCodeMirrorPopup editorWorker toggleContextMenuDelete */
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'use strict';
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let saveSizeOnClose;
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// direct & reverse mapping of @-moz-document keywords and internal property names
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const propertyToCss = {urls: 'url', urlPrefixes: 'url-prefix', domains: 'domain', regexps: 'regexp'};
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const CssToProperty = Object.entries(propertyToCss)
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.reduce((o, v) => {
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o[v[1]] = v[0];
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return o;
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}, {});
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let editor;
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let scrollPointTimer;
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document.addEventListener('visibilitychange', beforeUnload);
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window.addEventListener('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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const [style] = await Promise.all([
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initStyleData(),
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onDOMready(),
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prefs.initializing.then(() => 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.addEventListener('load', resolve, {once: true});
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}
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})),
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]);
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const usercss = isUsercss(style);
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const dirty = dirtyReporter();
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let wasDirty = false;
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let nameTarget;
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prefs.subscribe(['editor.linter'], updateLinter);
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prefs.subscribe(['editor.keyMap'], showHotkeyInTooltip);
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addEventListener('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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updateTitle();
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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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editor = (usercss ? createSourceEditor : createSectionsEditor)({
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style,
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dirty,
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updateName,
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toggleStyle,
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});
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dirty.onChange(updateDirty);
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await editor.ready;
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// enabling after init to prevent flash of validation failure on an empty name
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$('#name').required = !usercss;
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$('#save-button').onclick = editor.save;
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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 || usercss;
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nameTarget = isCustomName ? 'customName' : 'name';
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nameEl.placeholder = t(usercss ? 'usercssEditorNamePlaceholder' : 'styleMissingName');
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nameEl.title = isCustomName ? t('customNameHint') : '';
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nameEl.addEventListener('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 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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CODEMIRROR_THEMES.unshift(chrome.i18n.getMessage('defaultTheme'));
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$('#editor.theme').append(...CODEMIRROR_THEMES.map(s => $create('option', s)));
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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 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(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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chrome.windows.getCurrent(ownWnd => {
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if (wnd.id === ownWnd.id) rememberWindowSize();
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});
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});
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}
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window.addEventListener('resize', () => {
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if (!onBoundsChanged) debounce(rememberWindowSize, 100);
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detectLayout();
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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} = $('#name');
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dirty.modify('name', style[nameTarget] || style.name, value);
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style[nameTarget] = value;
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}
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updateTitle({});
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}
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function updateTitle() {
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document.title = `${dirty.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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})();
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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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async function lazyInit() {
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const ownTabId = (await getOwnTab()).id;
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// use browser history back when 'back to manage' is clicked
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if (sessionStorageHash('manageStylesHistory').value[ownTabId] === location.href) {
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onDOMready().then(() => {
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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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// no windows on android
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if (!chrome.windows) {
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return;
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}
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const tabs = await browser.tabs.query({currentWindow: true});
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const windowId = tabs[0].windowId;
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if (prefs.get('openEditInWindow')) {
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if (
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/true/.test(sessionStorage.saveSizeOnClose) &&
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'left' in prefs.get('windowPosition', {}) &&
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!isWindowMaximized()
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) {
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// window was reopened via Ctrl-Shift-T etc.
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chrome.windows.update(windowId, prefs.get('windowPosition'));
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}
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if (tabs.length === 1 && window.history.length === 1) {
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chrome.windows.getAll(windows => {
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if (windows.length > 1) {
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sessionStorageHash('saveSizeOnClose').set(windowId, true);
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saveSizeOnClose = true;
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}
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});
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} else {
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saveSizeOnClose = sessionStorageHash('saveSizeOnClose').value[windowId];
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}
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}
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chrome.tabs.onAttached.addListener((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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chrome.windows.get(info.newWindowId, {populate: true}, win => {
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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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if (openEditInWindow && FIREFOX) {
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// FF-only because Chrome retardedly resets the size during dragging
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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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}
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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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document.removeEventListener('visibilitychange', beforeUnload);
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document.removeEventListener('beforeunload', beforeUnload);
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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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/**
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* Invoked for 'visibilitychange' event by default.
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* Invoked for 'beforeunload' event when the style is modified and unsaved.
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* See https://developers.google.com/web/updates/2018/07/page-lifecycle-api#legacy-lifecycle-apis-to-avoid
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* > Never add a beforeunload listener unconditionally or use it as an end-of-session signal.
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* > Only add it when a user has unsaved work, and remove it as soon as that work has been saved.
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*/
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function beforeUnload(e) {
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if (saveSizeOnClose) rememberWindowSize();
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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 isUsercss(style) {
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return (
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style.usercssData ||
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!style.id && prefs.get('newStyleAsUsercss')
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);
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}
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function initStyleData() {
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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 createEmptyStyle = () => ({
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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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Object.assign({code: ''},
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...Object.keys(CssToProperty)
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.map(name => ({
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[CssToProperty[name]]: params.get(name) && [params.get(name)] || []
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}))
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)
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],
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});
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return fetchStyle()
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.then(style => {
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if (style.id) sessionStorage.justEditedStyleId = style.id;
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// we set "usercss" class on <html> when <body> is empty
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// so there'll be no flickering of the elements that depend on it
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if (isUsercss(style)) {
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document.documentElement.classList.add('usercss');
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}
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// strip URL parameters when invoked for a non-existent id
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if (!style.id) {
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history.replaceState({}, document.title, location.pathname);
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}
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return style;
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});
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function fetchStyle() {
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if (id) {
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return API.getStyle(id);
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}
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return Promise.resolve(createEmptyStyle());
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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 = $('.contents', div);
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contents.textContent = '';
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if (body) {
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contents.appendChild(typeof body === 'string' ? tHTML(body) : body);
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}
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$('.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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});
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return;
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}
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if (div.contains(document.activeElement) && showHelp.originalFocus) {
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showHelp.originalFocus.focus();
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}
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div.style.display = '';
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contents.textContent = '';
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clearTimeout(contents.timer);
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window.removeEventListener('keydown', showHelp.close, true);
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window.dispatchEvent(new Event('closeHelp'));
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});
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window.addEventListener('keydown', showHelp.close, true);
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$('.dismiss', div).onclick = showHelp.close;
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// reset any inline styles
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div.style = 'display: block';
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showHelp.originalFocus = document.activeElement;
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return div;
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}
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function showCodeMirrorPopup(title, html, options) {
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const popup = showHelp(title, html);
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popup.classList.add('big');
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let cm = popup.codebox = CodeMirror($('.contents', popup), Object.assign({
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mode: 'css',
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lineNumbers: true,
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lineWrapping: prefs.get('editor.lineWrapping'),
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foldGutter: true,
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gutters: ['CodeMirror-linenumbers', 'CodeMirror-foldgutter', 'CodeMirror-lint-markers'],
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matchBrackets: true,
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styleActiveLine: true,
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theme: prefs.get('editor.theme'),
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keyMap: prefs.get('editor.keyMap')
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}, options));
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cm.focus();
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rerouteHotkeys(false);
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document.documentElement.style.pointerEvents = 'none';
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popup.style.pointerEvents = 'auto';
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const onKeyDown = event => {
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if (event.key === 'Tab' && !event.ctrlKey && !event.altKey && !event.metaKey) {
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const search = $('#search-replace-dialog');
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const area = search && search.contains(document.activeElement) ? search : popup;
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moveFocus(area, event.shiftKey ? -1 : 1);
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event.preventDefault();
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}
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};
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window.addEventListener('keydown', onKeyDown, true);
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window.addEventListener('closeHelp', () => {
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window.removeEventListener('keydown', onKeyDown, true);
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document.documentElement.style.removeProperty('pointer-events');
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rerouteHotkeys(true);
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cm = popup.codebox = null;
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}, {once: true});
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return popup;
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}
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function rememberWindowSize() {
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if (
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document.visibilityState === 'visible' &&
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prefs.get('openEditInWindow') &&
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!isWindowMaximized()
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) {
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prefs.set('windowPosition', {
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left: window.screenX,
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top: window.screenY,
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width: window.outerWidth,
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height: window.outerHeight,
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});
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}
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}
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function fixedHeader() {
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const scrollPoint = $('#header').clientHeight - 40;
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const linterEnabled = prefs.get('editor.linter') !== '';
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if (window.scrollY >= scrollPoint && !$('.fixed-header') && linterEnabled) {
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$('body').classList.add('fixed-header');
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} else if (window.scrollY < 40 && linterEnabled) {
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$('body').classList.remove('fixed-header');
|
|
}
|
|
}
|
|
|
|
function detectLayout() {
|
|
const body = $('body');
|
|
const options = $('#options');
|
|
const lint = $('#lint');
|
|
const compact = window.innerWidth <= 850;
|
|
const shortViewportLinter = window.innerHeight < 692;
|
|
const shortViewportNoLinter = window.innerHeight < 554;
|
|
const linterEnabled = prefs.get('editor.linter') !== '';
|
|
if (compact) {
|
|
body.classList.add('compact-layout');
|
|
options.removeAttribute('open');
|
|
options.classList.add('ignore-pref');
|
|
lint.removeAttribute('open');
|
|
lint.classList.add('ignore-pref');
|
|
if (!$('.usercss')) {
|
|
clearTimeout(scrollPointTimer);
|
|
scrollPointTimer = setTimeout(() => {
|
|
const scrollPoint = $('#header').clientHeight - 40;
|
|
if (window.scrollY >= scrollPoint && !$('.fixed-header') && linterEnabled) {
|
|
body.classList.add('fixed-header');
|
|
}
|
|
}, 250);
|
|
window.addEventListener('scroll', fixedHeader, {passive: true});
|
|
}
|
|
} else {
|
|
body.classList.remove('compact-layout');
|
|
body.classList.remove('fixed-header');
|
|
window.removeEventListener('scroll', fixedHeader);
|
|
if (shortViewportLinter && linterEnabled || shortViewportNoLinter && !linterEnabled) {
|
|
options.removeAttribute('open');
|
|
options.classList.add('ignore-pref');
|
|
if (prefs.get('editor.lint.expanded')) {
|
|
lint.setAttribute('open', '');
|
|
}
|
|
} else {
|
|
options.classList.remove('ignore-pref');
|
|
lint.classList.remove('ignore-pref');
|
|
if (prefs.get('editor.options.expanded')) {
|
|
options.setAttribute('open', '');
|
|
}
|
|
if (prefs.get('editor.lint.expanded')) {
|
|
lint.setAttribute('open', '');
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
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 toggleContextMenuDelete(event) {
|
|
if (chrome.contextMenus && event.button === 2 && prefs.get('editor.contextDelete')) {
|
|
chrome.contextMenus.update('editor.contextDelete', {
|
|
enabled: Boolean(
|
|
this.selectionStart !== this.selectionEnd ||
|
|
this.somethingSelected && this.somethingSelected()
|
|
),
|
|
}, ignoreChromeError);
|
|
}
|
|
}
|