youtube-music/plugins/shortcuts/back.js

const { globalShortcut } = require("electron");
const is = require("electron-is");
const electronLocalshortcut = require("electron-localshortcut");

const getSongControls = require("../../providers/song-controls");
const { setupMPRIS } = require("./mpris");

function _registerGlobalShortcut(webContents, shortcut, action) {
	globalShortcut.register(shortcut, () => {
		action(webContents);
	});
}

function _registerLocalShortcut(win, shortcut, action) {
	electronLocalshortcut.register(win, shortcut, () => {
		action(win.webContents);
	});
}

function registerShortcuts(win, options) {
	const songControls = getSongControls(win);
	const { playPause, next, previous, search } = songControls;

	if (options.overrideMediaKeys) {
		_registerGlobalShortcut(win.webContents, "MediaPlayPause", playPause);
		_registerGlobalShortcut(win.webContents, "MediaNextTrack", next);
		_registerGlobalShortcut(win.webContents, "MediaPreviousTrack", previous);
	}

	_registerLocalShortcut(win, "CommandOrControl+F", search);
	_registerLocalShortcut(win, "CommandOrControl+L", search);

	if (is.linux()) {
		try {
			const player = setupMPRIS();

			player.on("raise", () => {
				win.setSkipTaskbar(false);
				win.show();
			});
			player.on("playpause", playPause);
			player.on("next", next);
			player.on("previous", previous);
		} catch (e) {
			console.warn("Error in MPRIS", e);
		}
	}

	const { global, local } = options;
	const shortcutOptions = { global, local };

	for (const optionType in shortcutOptions) {
		registerAllShortcuts(shortcutOptions[optionType], optionType);
	}

	function registerAllShortcuts(container, type) {
		for (const action in container) {
			if (!container[action]) {
				continue; // Action accelerator is empty
			}

			console.debug(`Registering ${type} shortcut`, container[action], ":", action);
			if (!songControls[action]) {
				console.warn("Invalid action", action);
				continue;
			}

			if (type === "global") {
				_registerGlobalShortcut(win.webContents, container[action], songControls[action]);
			} else { // type === "local"
				_registerLocalShortcut(win, local[action], songControls[action]);
			}
		}
	}
}

module.exports = registerShortcuts;