/* * 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 * KeyboardMouseInputField */ class ExtensionKeyboardShortcutController { constructor(settingsController) { this._settingsController = settingsController; this._resetButton = null; this._clearButton = null; this._listContainer = null; this._hotkeyUtil = new HotkeyUtil(); this._os = null; this._entries = []; } get hotkeyUtil() { return this._hotkeyUtil; } async prepare() { this._resetButton = document.querySelector('#extension-hotkey-list-reset-all'); this._clearButton = document.querySelector('#extension-hotkey-list-clear-all'); this._listContainer = document.querySelector('#extension-hotkey-list'); const canResetCommands = this.canResetCommands(); const canModifyCommands = this.canModifyCommands(); this._resetButton.hidden = !canResetCommands; this._clearButton.hidden = !canModifyCommands; if (canResetCommands) { this._resetButton.addEventListener('click', this._onResetClick.bind(this)); } if (canModifyCommands) { this._clearButton.addEventListener('click', this._onClearClick.bind(this)); } const {platform: {os}} = await yomichan.api.getEnvironmentInfo(); this._os = os; this._hotkeyUtil.os = os; const commands = await this._getCommands(); this._setupCommands(commands); } async resetCommand(name) { await this._resetCommand(name); let key = null; let modifiers = []; const commands = await this._getCommands(); for (const {name: name2, shortcut} of commands) { if (name === name2) { ({key, modifiers} = this._hotkeyUtil.convertCommandToInput(shortcut)); break; } } return {key, modifiers}; } async updateCommand(name, key, modifiers) { // Firefox-only; uses Promise API const shortcut = this._hotkeyUtil.convertInputToCommand(key, modifiers); return await chrome.commands.update({name, shortcut}); } canResetCommands() { return isObject(chrome.commands) && typeof chrome.commands.reset === 'function'; } canModifyCommands() { return isObject(chrome.commands) && typeof chrome.commands.update === 'function'; } // Add _onResetClick(e) { e.preventDefault(); this._resetAllCommands(); } _onClearClick(e) { e.preventDefault(); this._clearAllCommands(); } _getCommands() { return 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); } }); }); } _setupCommands(commands) { for (const entry of this._entries) { entry.cleanup(); } this._entries = []; const fragment = document.createDocumentFragment(); for (const {name, description, shortcut} of commands) { if (name.startsWith('_')) { continue; } const {key, modifiers} = this._hotkeyUtil.convertCommandToInput(shortcut); const node = this._settingsController.instantiateTemplate('extension-hotkey-list-item'); fragment.appendChild(node); const entry = new ExtensionKeyboardShortcutHotkeyEntry(this, node, name, description, key, modifiers, this._os); entry.prepare(); this._entries.push(entry); } this._listContainer.textContent = ''; this._listContainer.appendChild(fragment); } async _resetAllCommands() { if (!this.canModifyCommands()) { return; } let commands = await this._getCommands(); const promises = []; for (const {name} of commands) { if (name.startsWith('_')) { continue; } promises.push(this._resetCommand(name)); } await Promise.all(promises); commands = await this._getCommands(); this._setupCommands(commands); } async _clearAllCommands() { if (!this.canModifyCommands()) { return; } let commands = await this._getCommands(); const promises = []; for (const {name} of commands) { if (name.startsWith('_')) { continue; } promises.push(this.updateCommand(name, null, [])); } await Promise.all(promises); commands = await this._getCommands(); this._setupCommands(commands); } async _resetCommand(name) { // Firefox-only; uses Promise API return await chrome.commands.reset(name); } } class ExtensionKeyboardShortcutHotkeyEntry { constructor(parent, node, name, description, key, modifiers, os) { this._parent = parent; this._node = node; this._name = name; this._description = description; this._key = key; this._modifiers = modifiers; this._os = os; this._input = null; this._inputField = null; this._eventListeners = new EventListenerCollection(); } prepare() { this._node.querySelector('.settings-item-label').textContent = this._description || this._name; const button = this._node.querySelector('.extension-hotkey-list-item-button'); const input = this._node.querySelector('input'); this._input = input; if (this._parent.canModifyCommands()) { this._inputField = new KeyboardMouseInputField(input, null, this._os); this._inputField.prepare(this._key, this._modifiers, false, true); this._eventListeners.on(this._inputField, 'change', this._onInputFieldChange.bind(this)); this._eventListeners.addEventListener(button, 'menuClose', this._onMenuClose.bind(this)); this._eventListeners.addEventListener(input, 'blur', this._onInputFieldBlur.bind(this)); } else { input.readOnly = true; input.value = this._parent.hotkeyUtil.getInputDisplayValue(this._key, this._modifiers); button.hidden = true; } } cleanup() { this._eventListeners.removeAllEventListeners(); if (this._node.parentNode !== null) { this._node.parentNode.removeChild(this._node); } if (this._inputField !== null) { this._inputField.cleanup(); this._inputField = null; } } // Private _onInputFieldChange(e) { const {key, modifiers} = e; this._tryUpdateInput(key, modifiers, false); } _onInputFieldBlur() { this._updateInput(); } _onMenuClose(e) { switch (e.detail.action) { case 'clearInput': this._tryUpdateInput(null, [], true); break; case 'resetInput': this._resetInput(); break; } } _updateInput() { this._inputField.setInput(this._key, this._modifiers); delete this._input.dataset.invalid; } async _tryUpdateInput(key, modifiers, updateInput) { let okay = (key === null ? (modifiers.length === 0) : (modifiers.length !== 0)); if (okay) { try { await this._parent.updateCommand(this._name, key, modifiers); } catch (e) { okay = false; } } if (okay) { this._key = key; this._modifiers = modifiers; delete this._input.dataset.invalid; } else { this._input.dataset.invalid = 'true'; } if (updateInput) { this._updateInput(); } } async _resetInput() { const {key, modifiers} = await this._parent.resetCommand(this._name); this._key = key; this._modifiers = modifiers; this._updateInput(); } }