stylus/manage/render.js
2021-08-12 20:35:56 +03:00

422 lines
14 KiB
JavaScript

/* global $ $$ animateElement scrollElementIntoView */// dom.js
/* global API */// msg.js
/* global URLS debounce isEmptyObj sessionStore */// toolbox.js
/* global filterAndAppend */// filters.js
/* global installed newUI */// manage.js
/* global prefs */
/* global sorter */
/* global t */// localization.js
'use strict';
const ENTRY_ID_PREFIX_RAW = 'style-';
const TARGET_TYPES = ['domains', 'urls', 'urlPrefixes', 'regexps'];
const GET_FAVICON_URL = 'https://www.google.com/s2/favicons?domain=';
const OWN_ICON = chrome.runtime.getManifest().icons['16'];
const AGES = [
[24, 'h', t('dateAbbrHour', '\x01')],
[30, 'd', t('dateAbbrDay', '\x01')],
[12, 'm', t('dateAbbrMonth', '\x01')],
[Infinity, 'y', t('dateAbbrYear', '\x01')],
];
let elementParts;
function $entry(styleOrId, root = installed) {
return $(`#${ENTRY_ID_PREFIX_RAW}${styleOrId.id || styleOrId}`, root);
}
function createAgeText(el, style) {
let val = style.updateDate || style.installDate;
if (val) {
val = (Date.now() - val) / 3600e3; // age in hours
for (const [max, unit, text] of AGES) {
const rounded = Math.round(val);
if (rounded < max) {
el.textContent = text.replace('\x01', rounded);
el.dataset.value = padLeft(Math.round(rounded), 2) + unit;
break;
}
val /= max;
}
} else if (el.firstChild) {
el.textContent = '';
delete el.dataset.value;
}
}
function createStyleElement({style, name: nameLC}) {
// query the sub-elements just once, then reuse the references
if ((elementParts || {}).newUI !== newUI.enabled) {
const entry = t.template[newUI.enabled ? 'styleNewUI' : 'style'].cloneNode(true);
elementParts = {
newUI: newUI.enabled,
entry,
entryClassBase: entry.className,
checker: $('input', entry) || {},
nameLink: $('.style-name-link', entry),
editLink: $('.style-edit-link', entry) || {},
editHrefBase: 'edit.html?id=',
homepage: $('.homepage', entry),
homepageIcon: t.template[`homepageIcon${newUI.enabled ? 'Small' : 'Big'}`],
infoAge: $('[data-type=age]', entry),
infoVer: $('[data-type=version]', entry),
appliesTo: $('.applies-to', entry),
targets: $('.targets', entry),
expander: $('.expander', entry),
decorations: {
urlPrefixesAfter: '*',
regexpsBefore: '/',
regexpsAfter: '/',
},
oldConfigure: !newUI.enabled && $('.configure-usercss', entry),
oldCheckUpdate: !newUI.enabled && $('.check-update', entry),
oldUpdate: !newUI.enabled && $('.update', entry),
};
}
const parts = elementParts;
const ud = style.usercssData;
const configurable = ud && ud.vars && !isEmptyObj(ud.vars);
const name = style.customName || style.name;
parts.checker.checked = style.enabled;
parts.nameLink.firstChild.textContent = t.breakWord(name);
parts.nameLink.href = parts.editLink.href = parts.editHrefBase + style.id;
parts.homepage.href = parts.homepage.title = style.url || '';
parts.infoVer.textContent = ud ? ud.version : '';
parts.infoVer.dataset.value = ud ? ud.version : '';
if (URLS.extractUsoArchiveId(style.updateUrl)) {
parts.infoVer.dataset.isDate = '';
} else {
delete parts.infoVer.dataset.isDate;
}
if (newUI.enabled) {
createAgeText(parts.infoAge, style);
} else {
parts.oldConfigure.classList.toggle('hidden', !configurable);
parts.oldCheckUpdate.classList.toggle('hidden', !style.updateUrl);
parts.oldUpdate.classList.toggle('hidden', !style.updateUrl);
}
// clear the code to free up some memory
// (note, style is already a deep copy)
style.sourceCode = null;
style.sections.forEach(section => (section.code = null));
const entry = parts.entry.cloneNode(true);
entry.id = ENTRY_ID_PREFIX_RAW + style.id;
entry.styleId = style.id;
entry.styleNameLowerCase = nameLC || name.toLocaleLowerCase() + '\n' + name;
entry.styleMeta = style;
entry.className = parts.entryClassBase + ' ' +
(style.enabled ? 'enabled' : 'disabled') +
(style.updateUrl ? ' updatable' : '') +
(ud ? ' usercss' : '');
if (style.url) {
$('.homepage', entry).appendChild(parts.homepageIcon.cloneNode(true));
}
if (style.updateUrl && newUI.enabled) {
$('.actions', entry).appendChild(t.template.updaterIcons.cloneNode(true));
}
if (configurable && newUI.enabled) {
$('.actions', entry).appendChild(t.template.configureIcon.cloneNode(true));
}
createTargetsElement({entry, style});
return entry;
}
function createTargetsElement({entry, expanded, style = entry.styleMeta}) {
const entryTargets = $('.targets', entry);
const expanderCls = $('.applies-to', entry).classList;
const targets = elementParts.targets.cloneNode(true);
let container = targets;
let el = entryTargets.firstElementChild;
let numTargets = 0;
let allTargetsRendered = true;
const maxTargets = expanded ? 1000 : newUI.enabled ? newUI.targets : 10;
const displayed = new Set();
for (const type of TARGET_TYPES) {
for (const section of style.sections) {
for (const targetValue of section[type] || []) {
if (displayed.has(targetValue)) {
continue;
}
if (++numTargets > maxTargets) {
allTargetsRendered = expanded;
break;
}
displayed.add(targetValue);
const text =
(elementParts.decorations[type + 'Before'] || '') +
targetValue +
(elementParts.decorations[type + 'After'] || '');
if (el && el.dataset.type === type && el.lastChild.textContent === text) {
const next = el.nextElementSibling;
container.appendChild(el);
el = next;
continue;
}
const element = t.template.appliesToTarget.cloneNode(true);
if (!newUI.enabled) {
if (numTargets === maxTargets) {
container = container.appendChild(t.template.extraAppliesTo.cloneNode(true));
} else if (numTargets > 1) {
container.appendChild(t.template.appliesToSeparator.cloneNode(true));
}
}
element.dataset.type = type;
element.appendChild(document.createTextNode(text));
container.appendChild(element);
}
}
}
if (newUI.enabled && numTargets > newUI.targets) {
expanderCls.add('has-more');
}
if (numTargets) {
entryTargets.parentElement.replaceChild(targets, entryTargets);
} else if (
!entry.classList.contains('global') ||
!entryTargets.firstElementChild
) {
if (entryTargets.firstElementChild) {
entryTargets.textContent = '';
}
entryTargets.appendChild(t.template.appliesToEverything.cloneNode(true));
}
entry.classList.toggle('global', !numTargets);
entry._allTargetsRendered = allTargetsRendered;
entry._numTargets = numTargets;
}
function getFaviconSrc(container = installed) {
if (!newUI.enabled || !newUI.favicons) return;
const regexpRemoveNegativeLookAhead = /(\?!([^)]+\))|\(\?![\w(]+[^)]+[\w|)]+)/g;
// replace extra characters & all but the first group entry "(abc|def|ghi)xyz" => abcxyz
const regexpReplaceExtraCharacters = /[\\(]|((\|\w+)+\))/g;
const regexpMatchRegExp = /[\w-]+[.(]+(com|org|co|net|im|io|edu|gov|biz|info|de|cn|uk|nl|eu|ru)\b/g;
const regexpMatchDomain = /^.*?:\/\/([^/]+)/;
for (const target of $$('.target', container)) {
const type = target.dataset.type;
const targetValue = target.textContent;
if (!targetValue) continue;
let favicon = '';
if (type === 'domains') {
favicon = GET_FAVICON_URL + targetValue;
} else if (targetValue.includes('chrome-extension:') || targetValue.includes('moz-extension:')) {
favicon = OWN_ICON;
} else if (type === 'regexps') {
favicon = targetValue
.replace(regexpRemoveNegativeLookAhead, '')
.replace(regexpReplaceExtraCharacters, '')
.match(regexpMatchRegExp);
favicon = favicon ? GET_FAVICON_URL + favicon.shift() : '';
} else {
favicon = targetValue.includes('://') && targetValue.match(regexpMatchDomain);
favicon = favicon ? GET_FAVICON_URL + favicon[1] : '';
}
if (favicon) {
const img = target.children[0];
if (!img || img.localName !== 'img') {
target.insertAdjacentElement('afterbegin', document.createElement('img'))
.dataset.src = favicon;
} else if ((img.dataset.src || img.src) !== favicon) {
img.src = '';
img.dataset.src = favicon;
}
}
}
loadFavicons();
}
function fitSelectBox(...elems) {
const data = [];
for (const el of elems) {
const sel = el.selectedOptions[0];
if (!sel) continue;
const oldWidth = parseFloat(el.style.width);
const text = [];
data.push({el, text, oldWidth});
for (const elOpt of el.options) {
text.push(elOpt.textContent);
if (elOpt !== sel) elOpt.textContent = '';
}
el.style.width = 'min-content';
}
for (const {el, text, oldWidth} of data) {
const w = el.offsetWidth;
if (w && oldWidth !== w) el.style.width = w + 'px';
text.forEach((t, i) => (el.options[i].textContent = t));
}
}
/* exported fitSelectBoxesIn */
/**
* @param {HTMLDetailsElement} el
* @param {string} targetSel
*/
function fitSelectBoxesIn(el, targetSel = 'select.fit-width') {
const fit = () => {
if (el.open) {
fitSelectBox(...$$(targetSel, el));
}
};
el.on('change', ({target}) => {
if (el.open && target.matches(targetSel)) {
fitSelectBox(target);
}
});
fit();
new MutationObserver(fit)
.observe(el, {attributeFilter: ['open'], attributes: true});
}
function highlightEditedStyle() {
if (!sessionStore.justEditedStyleId) return;
const entry = $entry(sessionStore.justEditedStyleId);
delete sessionStore.justEditedStyleId;
if (entry) {
animateElement(entry);
requestAnimationFrame(() => scrollElementIntoView(entry));
}
}
function loadFavicons({all = false} = {}) {
if (!installed.firstElementChild) return;
let favicons = [];
if (all) {
favicons = $$('img[data-src]', installed);
} else {
const {left, top} = installed.firstElementChild.getBoundingClientRect();
const x = Math.max(0, left);
const y = Math.max(0, top);
const first = document.elementFromPoint(x, y);
if (!first) return requestAnimationFrame(loadFavicons.bind(null, ...arguments));
const lastOffset = first.offsetTop + window.innerHeight;
const numTargets = newUI.targets;
let entry = first && first.closest('.entry') || installed.children[0];
while (entry && entry.offsetTop <= lastOffset) {
favicons.push(...$$('img', entry).slice(0, numTargets).filter(img => img.dataset.src));
entry = entry.nextElementSibling;
}
}
let i = 0;
for (const img of favicons) {
img.src = img.dataset.src;
delete img.dataset.src;
// loading too many icons at once will block the page while the new layout is recalculated
if (++i > 100) break;
}
if ($('img[data-src]', installed)) {
debounce(loadFavicons, 1, {all: true});
}
}
/** Adding spaces so CSS can detect "bigness" of a value via amount of spaces at the beginning */
function padLeft(val, width) {
val = `${val}`;
return ' '.repeat(Math.max(0, width - val.length)) + val;
}
function showStyles(styles = [], matchUrlIds) {
const sorted = sorter.sort({
styles: styles.map(style => {
const name = style.customName || style.name || '';
return {
style,
// sort case-insensitively the whole list then sort dupes like `Foo` and `foo` case-sensitively
name: name.toLocaleLowerCase() + '\n' + name,
};
}),
});
let index = 0;
let firstRun = true;
installed.dataset.total = styles.length;
const scrollY = (history.state || {}).scrollY;
const shouldRenderAll = scrollY > window.innerHeight || sessionStore.justEditedStyleId;
const renderBin = document.createDocumentFragment();
if (scrollY) {
renderStyles();
} else {
requestAnimationFrame(renderStyles);
}
function renderStyles() {
const t0 = performance.now();
while (index < sorted.length && (shouldRenderAll || performance.now() - t0 < 20)) {
const info = sorted[index++];
const entry = createStyleElement(info);
if (matchUrlIds && !matchUrlIds.includes(info.style.id)) {
entry.classList.add('not-matching');
}
renderBin.appendChild(entry);
}
filterAndAppend({container: renderBin}).then(sorter.updateStripes);
if (index < sorted.length) {
requestAnimationFrame(renderStyles);
if (firstRun) setTimeout(getFaviconSrc);
firstRun = false;
return;
}
setTimeout(getFaviconSrc);
if (sessionStore.justEditedStyleId) {
setTimeout(highlightEditedStyle); // delaying to avoid forced layout
} else if ('scrollY' in (history.state || {})) {
setTimeout(window.scrollTo, 0, 0, history.state.scrollY);
}
}
}
/* exported switchUI */
function switchUI({styleOnly} = {}) {
const current = {};
const changed = {};
let someChanged = false;
for (const id of newUI.ids) {
const value = prefs.get(newUI.prefKeyForId(id));
const valueChanged = value !== newUI[id] && (id === 'enabled' || current.enabled);
current[id] = value;
changed[id] = valueChanged;
someChanged |= valueChanged;
}
if (!styleOnly && !someChanged) {
return;
}
Object.assign(newUI, current);
newUI.renderClass();
installed.classList.toggle('has-favicons', newUI.enabled && newUI.favicons);
installed.classList.toggle('favicons-grayed', newUI.enabled && newUI.faviconsGray);
if (installed.style.getPropertyValue('--num-targets') !== `${newUI.targets}`) {
installed.style.setProperty('--num-targets', newUI.targets);
}
if (styleOnly) {
return;
}
const iconsEnabled = newUI.enabled && newUI.favicons;
let iconsMissing = iconsEnabled && !$('.applies-to img');
if (changed.enabled || (iconsMissing && !elementParts)) {
installed.textContent = '';
API.styles.getAll().then(showStyles);
return;
}
if (changed.targets) {
for (const entry of installed.children) {
$('.applies-to', entry).classList.toggle('has-more', entry._numTargets > newUI.targets);
if (!entry._allTargetsRendered && newUI.targets > $('.targets', entry).childElementCount) {
createTargetsElement({entry, expanded: true});
iconsMissing |= iconsEnabled;
}
}
}
if (iconsMissing) {
debounce(getFaviconSrc);
return;
}
}