359 lines
12 KiB
JavaScript
359 lines
12 KiB
JavaScript
/* global messageBox, handleUpdate, applyOnMessage */
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'use strict';
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const STYLISH_DUMP_FILE_EXT = '.txt';
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const STYLUS_BACKUP_FILE_EXT = '.json';
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function importFromFile({fileTypeFilter, file} = {}) {
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return new Promise(resolve => {
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const fileInput = document.createElement('input');
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if (file) {
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readFile();
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return;
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}
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fileInput.style.display = 'none';
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fileInput.type = 'file';
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fileInput.accept = fileTypeFilter || STYLISH_DUMP_FILE_EXT;
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fileInput.acceptCharset = 'utf-8';
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document.body.appendChild(fileInput);
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fileInput.initialValue = fileInput.value;
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fileInput.onchange = readFile;
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fileInput.click();
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function readFile() {
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if (file || fileInput.value !== fileInput.initialValue) {
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file = file || fileInput.files[0];
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if (file.size > 100e6) {
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console.warn("100MB backup? I don't believe you.");
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importFromString('').then(resolve);
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return;
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}
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document.body.style.cursor = 'wait';
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const fReader = new FileReader();
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fReader.onloadend = event => {
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fileInput.remove();
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importFromString(event.target.result).then(numStyles => {
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document.body.style.cursor = '';
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resolve(numStyles);
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});
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};
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fReader.readAsText(file, 'utf-8');
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}
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}
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});
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}
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function importFromString(jsonString) {
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if (!BG) {
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onBackgroundReady().then(() => importFromString(jsonString));
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return;
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}
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// create objects in background context
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const json = BG.tryJSONparse(jsonString) || [];
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if (typeof json.slice != 'function') {
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json.length = 0;
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}
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const oldStyles = json.length && BG.deepCopy(BG.cachedStyles.list || []);
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const oldStylesByName = json.length && new Map(
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oldStyles.map(style => [style.name.trim(), style]));
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let oldDigests;
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chrome.storage.local.get(null, data => (oldDigests = data));
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const stats = {
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added: {names: [], ids: [], legend: 'importReportLegendAdded'},
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unchanged: {names: [], ids: [], legend: 'importReportLegendIdentical'},
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metaAndCode: {names: [], ids: [], legend: 'importReportLegendUpdatedBoth'},
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metaOnly: {names: [], ids: [], legend: 'importReportLegendUpdatedMeta'},
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codeOnly: {names: [], ids: [], legend: 'importReportLegendUpdatedCode'},
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invalid: {names: [], legend: 'importReportLegendInvalid'},
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};
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let index = 0;
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let lastRenderTime = performance.now();
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const renderQueue = [];
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const RENDER_NAP_TIME_MAX = 1000; // ms
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const RENDER_QUEUE_MAX = 50; // number of styles
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const SAVE_OPTIONS = {reason: 'import', notify: false};
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return new Promise(proceed);
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function proceed(resolve) {
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while (index < json.length) {
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const item = json[index++];
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const info = analyze(item);
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if (info) {
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// using saveStyle directly since json was parsed in background page context
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return BG.saveStyle(Object.assign(item, SAVE_OPTIONS))
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.then(style => account({style, info, resolve}));
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}
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}
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renderQueue.forEach(style => handleUpdate(style, {reason: 'import'}));
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renderQueue.length = 0;
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done(resolve);
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}
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function analyze(item) {
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if (!item || !item.name || !item.name.trim() || typeof item != 'object'
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|| (item.sections && typeof item.sections.slice != 'function')) {
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stats.invalid.names.push(`#${index}: ${limitString(item && item.name || '')}`);
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return;
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}
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item.name = item.name.trim();
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const byId = BG.cachedStyles.byId.get(item.id);
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const byName = oldStylesByName.get(item.name);
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const oldStyle = byId && byId.name.trim() == item.name || !byName ? byId : byName;
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if (oldStyle == byName && byName) {
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item.id = byName.id;
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}
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const oldStyleKeys = oldStyle && Object.keys(oldStyle);
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const metaEqual = oldStyleKeys &&
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oldStyleKeys.length == Object.keys(item).length &&
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oldStyleKeys.every(k => k == 'sections' || oldStyle[k] === item[k]);
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const codeEqual = oldStyle && BG.styleSectionsEqual(oldStyle, item);
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if (metaEqual && codeEqual) {
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stats.unchanged.names.push(oldStyle.name);
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stats.unchanged.ids.push(oldStyle.id);
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return;
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}
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return {oldStyle, metaEqual, codeEqual};
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}
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function account({style, info, resolve}) {
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renderQueue.push(style);
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if (performance.now() - lastRenderTime > RENDER_NAP_TIME_MAX
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|| renderQueue.length > RENDER_QUEUE_MAX) {
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renderQueue.forEach(style => handleUpdate(style, {reason: 'import'}));
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setTimeout(scrollElementIntoView, 0, $('#style-' + renderQueue.pop().id));
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renderQueue.length = 0;
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lastRenderTime = performance.now();
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}
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setTimeout(proceed, 0, resolve);
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const {oldStyle, metaEqual, codeEqual} = info;
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if (!oldStyle) {
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stats.added.names.push(style.name);
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stats.added.ids.push(style.id);
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return;
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}
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if (!metaEqual && !codeEqual) {
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stats.metaAndCode.names.push(reportNameChange(oldStyle, style));
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stats.metaAndCode.ids.push(style.id);
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return;
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}
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if (!codeEqual) {
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stats.codeOnly.names.push(style.name);
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stats.codeOnly.ids.push(style.id);
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return;
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}
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stats.metaOnly.names.push(reportNameChange(oldStyle, style));
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stats.metaOnly.ids.push(style.id);
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}
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function done(resolve) {
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const numChanged = stats.metaAndCode.names.length +
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stats.metaOnly.names.length +
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stats.codeOnly.names.length +
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stats.added.names.length;
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Promise.resolve(numChanged && refreshAllTabs()).then(() => {
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const report = Object.keys(stats)
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.filter(kind => stats[kind].names.length)
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.map(kind => {
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const {ids, names, legend} = stats[kind];
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const listItemsWithId = (name, i) =>
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$element({dataset: {id: ids[i]}, textContent: name});
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const listItems = name =>
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$element({textContent: name});
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const block =
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$element({tag: 'details', dataset: {id: kind}, appendChild: [
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$element({tag: 'summary', appendChild:
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$element({tag: 'b', textContent: names.length + ' ' + t(legend)})
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}),
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$element({tag: 'small', appendChild:
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names.map(ids ? listItemsWithId : listItems)
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}),
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]});
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return block;
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});
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scrollTo(0, 0);
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messageBox({
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title: t('importReportTitle'),
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contents: report.length ? report : t('importReportUnchanged'),
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buttons: [t('confirmOK'), numChanged && t('undo')],
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onshow: bindClick,
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}).then(({button, enter, esc}) => {
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if (button == 1) {
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undo();
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}
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});
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resolve(numChanged);
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});
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}
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function undo() {
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const oldStylesById = new Map(oldStyles.map(style => [style.id, style]));
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const newIds = [
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...stats.metaAndCode.ids,
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...stats.metaOnly.ids,
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...stats.codeOnly.ids,
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...stats.added.ids,
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];
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let resolve;
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index = 0;
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return new Promise(resolve_ => {
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resolve = resolve_;
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undoNextId();
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}).then(BG.refreshAllTabs)
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.then(() => messageBox({
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title: t('importReportUndoneTitle'),
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contents: newIds.length + ' ' + t('importReportUndone'),
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buttons: [t('confirmOK')],
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}));
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function undoNextId() {
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if (index == newIds.length) {
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resolve();
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return;
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}
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const id = newIds[index++];
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deleteStyleSafe({id, notify: false}).then(id => {
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const oldStyle = oldStylesById.get(id);
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if (oldStyle) {
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oldStyle.styleDigest = oldDigests[BG.DIGEST_KEY_PREFIX + id];
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saveStyleSafe(Object.assign(oldStyle, SAVE_OPTIONS))
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.then(undoNextId);
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} else {
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undoNextId();
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}
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});
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}
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}
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function bindClick(box) {
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const highlightElement = event => {
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const styleElement = $('#style-' + event.target.dataset.id);
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if (styleElement) {
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scrollElementIntoView(styleElement);
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animateElement(styleElement, {className: 'highlight'});
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}
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};
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for (const block of $$('details')) {
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if (block.dataset.id != 'invalid') {
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block.style.cursor = 'pointer';
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block.onclick = highlightElement;
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}
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}
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}
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function limitString(s, limit = 100) {
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return s.length <= limit ? s : s.substr(0, limit) + '...';
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}
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function reportNameChange(oldStyle, newStyle) {
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return newStyle.name != oldStyle.name
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? oldStyle.name + ' —> ' + newStyle.name
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: oldStyle.name;
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}
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function refreshAllTabs() {
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return getActiveTab().then(activeTab => new Promise(resolve => {
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// list all tabs including chrome-extension:// which can be ours
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chrome.tabs.query({}, tabs => {
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const lastTab = tabs[tabs.length - 1];
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for (const tab of tabs) {
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getStylesSafe({matchUrl: tab.url, enabled: true, asHash: true}).then(styles => {
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const message = {method: 'styleReplaceAll', styles};
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if (tab.id == activeTab.id) {
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applyOnMessage(message);
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} else {
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chrome.tabs.sendMessage(tab.id, message);
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}
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BG.updateIcon(tab, styles);
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if (tab == lastTab) {
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resolve();
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}
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});
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}
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});
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}));
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}
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}
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$('#file-all-styles').onclick = () => {
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Promise.all([
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BG.chromeLocal.get(null),
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getStylesSafe(),
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]).then(([data, styles]) => {
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styles = styles.map(style => {
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const styleDigest = data[BG.DIGEST_KEY_PREFIX + style.id];
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return styleDigest ? Object.assign({styleDigest}, style) : style;
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});
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const text = JSON.stringify(styles, null, '\t');
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const fileName = generateFileName();
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const url = 'data:text/plain;charset=utf-8,' + encodeURIComponent(text);
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// for long URLs; https://github.com/schomery/stylish-chrome/issues/13#issuecomment-284582600
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fetch(url)
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.then(res => res.blob())
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.then(blob => {
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const objectURL = URL.createObjectURL(blob);
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Object.assign(document.createElement('a'), {
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download: fileName,
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href: objectURL,
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type: 'application/json',
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}).dispatchEvent(new MouseEvent('click'));
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setTimeout(() => URL.revokeObjectURL(objectURL));
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});
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});
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function generateFileName() {
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const today = new Date();
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const dd = ('0' + today.getDate()).substr(-2);
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const mm = ('0' + (today.getMonth() + 1)).substr(-2);
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const yyyy = today.getFullYear();
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return `stylus-${mm}-${dd}-${yyyy}${STYLUS_BACKUP_FILE_EXT}`;
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}
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};
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$('#unfile-all-styles').onclick = () => {
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importFromFile({fileTypeFilter: STYLUS_BACKUP_FILE_EXT});
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};
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Object.assign(document.body, {
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ondragover(event) {
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const hasFiles = event.dataTransfer.types.includes('Files');
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event.dataTransfer.dropEffect = hasFiles || event.target.type == 'search' ? 'copy' : 'none';
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this.classList.toggle('dropzone', hasFiles);
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if (hasFiles) {
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event.preventDefault();
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clearTimeout(this.fadeoutTimer);
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this.classList.remove('fadeout');
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}
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},
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ondragend(event) {
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animateElement(this, {className: 'fadeout'}).then(() => {
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this.style.animationDuration = '';
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this.classList.remove('dropzone');
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});
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},
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ondragleave(event) {
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// Chrome sets screen coords to 0 on Escape key pressed or mouse out of document bounds
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if (!event.screenX && !event.screenX) {
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this.ondragend();
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}
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},
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ondrop(event) {
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this.ondragend();
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if (event.dataTransfer.files.length) {
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event.preventDefault();
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if ($('#onlyUpdates input').checked) {
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$('#onlyUpdates input').click();
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}
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importFromFile({file: event.dataTransfer.files[0]});
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}
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},
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});
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