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-rw-r--r--ext/mixed/js/hotkey-help-controller.js125
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diff --git a/ext/mixed/js/hotkey-help-controller.js b/ext/mixed/js/hotkey-help-controller.js
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--- a/ext/mixed/js/hotkey-help-controller.js
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-/*
- * 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 <http://www.gnu.org/licenses/>.
- */
-
-/* global
- * HotkeyUtil
- * api
- */
-
-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 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;
- }
-}