125 lines
4.5 KiB
JavaScript
125 lines
4.5 KiB
JavaScript
/*
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* Copyright (C) 2021-2022 Yomichan Authors
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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/* global
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* HotkeyUtil
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*/
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class HotkeyHelpController {
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constructor() {
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this._hotkeyUtil = new HotkeyUtil();
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this._localActionHotseys = new Map();
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this._globalActionHotkeys = new Map();
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this._replacementPattern = /\{0\}/g;
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}
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async prepare() {
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const {platform: {os}} = await yomichan.api.getEnvironmentInfo();
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this._hotkeyUtil.os = os;
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await this._setupGlobalCommands(this._globalActionHotkeys);
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}
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setOptions(options) {
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const hotkeys = options.inputs.hotkeys;
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const hotkeyMap = this._localActionHotseys;
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hotkeyMap.clear();
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for (const {enabled, action, key, modifiers} of hotkeys) {
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if (!enabled || key === null || action === '' || hotkeyMap.has(action)) { continue; }
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hotkeyMap.set(action, this._hotkeyUtil.getInputDisplayValue(key, modifiers));
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}
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}
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setupNode(node) {
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const globalPrexix = 'global:';
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const replacementPattern = this._replacementPattern;
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for (const node2 of node.querySelectorAll('[data-hotkey]')) {
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const data = JSON.parse(node2.dataset.hotkey);
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let [action, attributes, values] = data;
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if (!Array.isArray(attributes)) { attributes = [attributes]; }
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const multipleValues = Array.isArray(values);
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const actionIsGlobal = action.startsWith(globalPrexix);
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if (actionIsGlobal) { action = action.substring(globalPrexix.length); }
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const defaultAttributeValues = this._getDefaultAttributeValues(node2, data, attributes);
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const hotkey = (actionIsGlobal ? this._globalActionHotkeys : this._localActionHotseys).get(action);
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for (let i = 0, ii = attributes.length; i < ii; ++i) {
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const attribute = attributes[i];
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let value = null;
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if (typeof hotkey !== 'undefined') {
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value = (multipleValues ? values[i] : values);
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value = value.replace(replacementPattern, hotkey);
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} else {
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value = defaultAttributeValues[i];
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}
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if (typeof value === 'string') {
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node2.setAttribute(attribute, value);
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} else {
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node2.removeAttribute(attribute);
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}
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}
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}
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}
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// Private
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async _setupGlobalCommands(commandMap) {
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const commands = await new Promise((resolve, reject) => {
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if (!(isObject(chrome.commands) && typeof chrome.commands.getAll === 'function')) {
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resolve([]);
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return;
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}
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chrome.commands.getAll((result) => {
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const e = chrome.runtime.lastError;
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if (e) {
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reject(new Error(e.message));
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} else {
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resolve(result);
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}
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});
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});
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commandMap.clear();
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for (const {name, shortcut} of commands) {
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if (shortcut.length === 0) { continue; }
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const {key, modifiers} = this._hotkeyUtil.convertCommandToInput(shortcut);
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commandMap.set(name, this._hotkeyUtil.getInputDisplayValue(key, modifiers));
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}
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return commandMap;
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}
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_getDefaultAttributeValues(node, data, attributes) {
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if (data.length > 3) {
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return data[3];
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}
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const defaultAttributeValues = [];
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for (let i = 0, ii = attributes.length; i < ii; ++i) {
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const attribute = attributes[i];
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const value = node.hasAttribute(attribute) ? node.getAttribute(attribute) : null;
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defaultAttributeValues.push(value);
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}
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data[3] = defaultAttributeValues;
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node.dataset.hotkey = JSON.stringify(data);
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return defaultAttributeValues;
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}
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}
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