| // Copyright 2013 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| /** |
| * Handles DumpDatabase tab for syncfs-internals. |
| */ |
| |
| import {sendWithPromise} from 'chrome://resources/js/cr.m.js'; |
| import {$} from 'chrome://resources/js/util.m.js'; |
| import {createElementFromText} from './utils.js'; |
| |
| /** |
| * Get the database dump. |
| */ |
| function refreshDatabaseDump() { |
| sendWithPromise('getDatabaseDump').then(onGetDatabaseDump); |
| } |
| |
| /** |
| * Creates a table by filling |header| and |body|. |
| * @param {!HTMLElement} div The outer container of the table to be |
| * renderered. |
| * @param {!HTMLElement} header The table header element to be fillied by |
| * this function. |
| * @param {!HTMLElement} body The table body element to be filled by this |
| * function. |
| * @param {Array} databaseDump List of dictionaries for the database dump. |
| * The first element must have metadata of the entry. |
| * The remaining elements must be dictionaries for the database dump, |
| * which can be iterated using the 'keys' fields given by the first |
| * element. |
| */ |
| function createDatabaseDumpTable(div, header, body, databaseDump) { |
| const metadata = databaseDump.shift(); |
| div.appendChild(createElementFromText('h3', metadata['title'])); |
| |
| let tr = document.createElement('tr'); |
| for (let i = 0; i < metadata.keys.length; ++i) { |
| tr.appendChild(createElementFromText('td', metadata.keys[i])); |
| } |
| header.appendChild(tr); |
| |
| for (let i = 0; i < databaseDump.length; i++) { |
| const entry = databaseDump[i]; |
| tr = document.createElement('tr'); |
| for (let k = 0; k < metadata.keys.length; ++k) { |
| tr.appendChild(createElementFromText('td', entry[metadata.keys[k]])); |
| } |
| body.appendChild(tr); |
| } |
| } |
| |
| /** |
| * Handles callback from onGetDatabaseDump. |
| * @param {Array} databaseDump List of lists for the database dump. |
| */ |
| function onGetDatabaseDump(databaseDump) { |
| const placeholder = $('dump-database-placeholder'); |
| placeholder.innerHTML = trustedTypes.emptyHTML; |
| for (let i = 0; i < databaseDump.length; ++i) { |
| const div = /** @type {!HTMLElement} */ (document.createElement('div')); |
| const table = document.createElement('table'); |
| const header = |
| /** @type {!HTMLElement} */ (document.createElement('thead')); |
| const body = |
| /** @type {!HTMLElement} */ (document.createElement('tbody')); |
| createDatabaseDumpTable(div, header, body, databaseDump[i]); |
| table.appendChild(header); |
| table.appendChild(body); |
| div.appendChild(table); |
| placeholder.appendChild(div); |
| } |
| } |
| |
| function main() { |
| refreshDatabaseDump(); |
| $('refresh-database-dump').addEventListener('click', refreshDatabaseDump); |
| } |
| |
| document.addEventListener('DOMContentLoaded', main); |