orchard/src/main/plugins/webNowPlaying.ts

244 lines
8.4 KiB
TypeScript

import * as WebSocket from 'ws';
/**
* 0-pad a number.
* @param {Number} number
* @param {Number} length
* @returns String
*/
const pad = (number: number, length: number) => String(number).padStart(length, '0');
/**
* Convert seconds to a time string acceptable to Rainmeter
* https://github.com/tjhrulz/WebNowPlaying-BrowserExtension/blob/master/WebNowPlaying.js#L50-L59
* @param {Number} timeInSeconds
* @returns String
*/
const convertTimeToString = (timeInSeconds: number) => {
const timeInMinutes = Math.floor(timeInSeconds / 60);
if (timeInMinutes < 60) {
return timeInMinutes + ":" + pad(Math.floor(timeInSeconds % 60), 2);
}
return Math.floor(timeInMinutes / 60) + ":" + pad(Math.floor(timeInMinutes % 60), 2) + ":" + pad(Math.floor(timeInSeconds % 60), 2);
}
export default class WebNowPlaying {
/**
* Base Plugin Details (Eventually implemented into a GUI in settings)
*/
public name: string = 'WebNowPlaying';
public description: string = 'Song info and playback control for the Rainmeter WebNowPlaying plugin.';
public version: string = '1.0.1';
public author: string = 'Zennn <me@jozen.blue>';
private _win: any;
private ws?: WebSocket;
private wsapiConn?: WebSocket;
private playerName: string = 'Cider';
constructor() {
console.debug(`[Plugin][${this.name}] Loading Complete.`);
}
/**
* Blocks non-windows systems from running this plugin
* @private
* @decorator
*/
private static windowsOnly(_target: any, _propertyKey: string, descriptor: PropertyDescriptor) {
if (process.platform !== 'win32') {
descriptor.value = () => void 0;
}
}
private sendSongInfo(attributes: any) {
if (!this.ws || this.ws.readyState !== WebSocket.OPEN) return;
const fields = ['STATE', 'TITLE', 'ARTIST', 'ALBUM', 'COVER', 'DURATION', 'POSITION', 'VOLUME', 'REPEAT', 'SHUFFLE'];
fields.forEach((field) => {
try {
let value: any = '';
switch (field) {
case 'STATE':
value = attributes.status ? 1 : 2;
break;
case 'TITLE':
value = attributes.name;
break;
case 'ARTIST':
value = attributes.artistName;
break;
case 'ALBUM':
value = attributes.albumName;
break;
case 'COVER':
value = attributes.artwork.url.replace('{w}', attributes.artwork.width).replace('{h}', attributes.artwork.height);
break;
case 'DURATION':
value = convertTimeToString(attributes.durationInMillis / 1000);
break;
case 'POSITION':
value = convertTimeToString((attributes.durationInMillis - attributes.remainingTime) / 1000);
break;
case 'VOLUME':
value = attributes.volume * 100;
break;
case 'REPEAT':
value = attributes.repeatMode;
break;
case 'SHUFFLE':
value = attributes.shuffleMode;
break;
}
this.ws?.send(`${field}:${value}`);
} catch (error) {
if (this.ws?.readyState === WebSocket.OPEN) {
this.ws.send(`Error:Error updating ${field} for ${this.playerName}`);
this.ws.send(`ErrorD:${error}`);
}
}
});
}
private fireEvent(evt: WebSocket.MessageEvent) {
if (!evt.data) return;
const data = <string>evt.data;
let value: string = '';
if (data.split(/ (.+)/).length > 1) {
value = data.split(/ (.+)/)[1];
}
const eventName = data.split(' ')[0].toLowerCase();
try {
switch (eventName) {
case 'playpause':
this._win.webContents.executeJavaScript('MusicKitInterop.playPause()').catch(console.error);
break;
case 'next':
this._win.webContents.executeJavaScript('MusicKitInterop.next()').catch(console.error);
break;
case 'previous':
this._win.webContents.executeJavaScript('MusicKitInterop.previous()').catch(console.error);
break;
case 'setposition':
this._win.webContents.executeJavaScript(`MusicKit.getInstance().seekToTime(${parseFloat(value)})`);
break;
case 'setvolume':
this._win.webContents.executeJavaScript(`MusicKit.getInstance().volume = ${parseFloat(value) / 100}`);
break;
case 'repeat':
this._win.webContents.executeJavaScript('wsapi.toggleRepeat()').catch(console.error);
break;
case 'shuffle':
this._win.webContents.executeJavaScript('wsapi.toggleShuffle()').catch(console.error);
break;
case 'togglethumbsup':
// not implemented
break;
case 'togglethumbsdown':
// not implemented
break;
case 'rating':
// not implemented
break;
}
} catch (error) {
console.debug(error);
if (this.ws?.readyState === WebSocket.OPEN) {
this.ws.send(`Error:Error sending event to ${this.playerName}`);
this.ws.send(`ErrorD:${error}`);
}
}
}
/**
* Runs on app ready
*/
@WebNowPlaying.windowsOnly
public onReady(win: any) {
this._win = win;
// Connect to Rainmeter plugin and retry on disconnect.
const init = () => {
try {
this.ws = new WebSocket('ws://127.0.0.1:8974/');
let retry: NodeJS.Timeout;
this.ws.onopen = () => {
console.info('[WebNowPlaying] Connected to Rainmeter');
this.ws?.send(`PLAYER:${this.playerName}`);
};
this.ws.onclose = () => {
clearTimeout(retry);
retry = setTimeout(init, 2000);
};
this.ws.onerror = () => {
clearTimeout(retry);
this.ws?.close();
};
this.ws.onmessage = this.fireEvent?.bind(this);
} catch (error) {
console.error(error);
}
};
init();
// Connect to wsapi. Only used to update progress.
try {
this.wsapiConn = new WebSocket('ws://127.0.0.1:26369/');
this.wsapiConn.onopen = () => {
console.info('[WebNowPlaying] Connected to wsapi');
};
this.wsapiConn.onmessage = (evt: WebSocket.MessageEvent) => {
const response = JSON.parse(<string>evt.data);
if (response.type === 'playbackStateUpdate') {
this.sendSongInfo(response.data);
}
};
} catch (error) {
console.error(error);
}
console.debug(`[Plugin][${this.name}] Ready.`);
}
/**
* Runs on app stop
*/
@WebNowPlaying.windowsOnly
public onBeforeQuit() {
if (this.ws) {
this.ws.send('STATE:0');
this.ws.onclose = () => void 0; // disable onclose handler first to stop it from retrying
this.ws.close();
}
if (this.wsapiConn) {
this.wsapiConn.close();
}
console.debug(`[Plugin][${this.name}] Stopped.`);
}
/**
* Runs on playback State Change
* @param attributes Music Attributes (attributes.status = current state)
*/
@WebNowPlaying.windowsOnly
public onPlaybackStateDidChange(attributes: any) {
this.sendSongInfo(attributes);
}
/**
* Runs on song change
* @param attributes Music Attributes
*/
@WebNowPlaying.windowsOnly
public onNowPlayingItemDidChange(attributes: any) {
this.sendSongInfo(attributes);
}
}