/* * Copyright (C) 2021 Yomichan Authors * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <https://www.gnu.org/licenses/>. */ /* global * HotkeyUtil */ class HotkeyHelpController { constructor() { this._hotkeyUtil = new HotkeyUtil(); this._localActionHotseys = new Map(); this._globalActionHotkeys = new Map(); this._replacementPattern = /\{0\}/g; } async prepare() { const {platform: {os}} = await yomichan.api.getEnvironmentInfo(); this._hotkeyUtil.os = os; await this._setupGlobalCommands(this._globalActionHotkeys); } setOptions(options) { const hotkeys = options.inputs.hotkeys; const hotkeyMap = this._localActionHotseys; hotkeyMap.clear(); for (const {enabled, action, key, modifiers} of hotkeys) { if (!enabled || key === null || action === '' || hotkeyMap.has(action)) { continue; } hotkeyMap.set(action, this._hotkeyUtil.getInputDisplayValue(key, modifiers)); } } setupNode(node) { const globalPrexix = 'global:'; const replacementPattern = this._replacementPattern; for (const node2 of node.querySelectorAll('[data-hotkey]')) { const data = JSON.parse(node2.dataset.hotkey); let [action, attributes, values] = data; if (!Array.isArray(attributes)) { attributes = [attributes]; } const multipleValues = Array.isArray(values); const actionIsGlobal = action.startsWith(globalPrexix); if (actionIsGlobal) { action = action.substring(globalPrexix.length); } const defaultAttributeValues = this._getDefaultAttributeValues(node2, data, attributes); const hotkey = (actionIsGlobal ? this._globalActionHotkeys : this._localActionHotseys).get(action); for (let i = 0, ii = attributes.length; i < ii; ++i) { const attribute = attributes[i]; let value = null; if (typeof hotkey !== 'undefined') { value = (multipleValues ? values[i] : values); value = value.replace(replacementPattern, hotkey); } else { value = defaultAttributeValues[i]; } if (typeof value === 'string') { node2.setAttribute(attribute, value); } else { node2.removeAttribute(attribute); } } } } // Private async _setupGlobalCommands(commandMap) { const commands = await new Promise((resolve, reject) => { if (!(isObject(chrome.commands) && typeof chrome.commands.getAll === 'function')) { resolve([]); return; } chrome.commands.getAll((result) => { const e = chrome.runtime.lastError; if (e) { reject(new Error(e.message)); } else { resolve(result); } }); }); commandMap.clear(); for (const {name, shortcut} of commands) { if (shortcut.length === 0) { continue; } const {key, modifiers} = this._hotkeyUtil.convertCommandToInput(shortcut); commandMap.set(name, this._hotkeyUtil.getInputDisplayValue(key, modifiers)); } return commandMap; } _getDefaultAttributeValues(node, data, attributes) { if (data.length > 3) { return data[3]; } const defaultAttributeValues = []; for (let i = 0, ii = attributes.length; i < ii; ++i) { const attribute = attributes[i]; const value = node.hasAttribute(attribute) ? node.getAttribute(attribute) : null; defaultAttributeValues.push(value); } data[3] = defaultAttributeValues; node.dataset.hotkey = JSON.stringify(data); return defaultAttributeValues; } }