Files
youtube-music/plugins/shortcuts/mpris.js
2022-06-26 19:43:03 +02:00

118 lines
3.2 KiB
JavaScript

const mpris = require("mpris-service");
const { ipcMain } = require("electron");
const registerCallback = require("../../providers/song-info");
const getSongControls = require("../../providers/song-controls");
function setupMPRIS() {
const player = mpris({
name: "youtube-music",
identity: "YouTube Music",
canRaise: true,
supportedUriSchemes: ["https"],
supportedMimeTypes: ["audio/mpeg"],
supportedInterfaces: ["player"],
desktopEntry: "youtube-music",
});
return player;
}
function registerMPRIS(win) {
const songControls = getSongControls(win);
const { playPause, next, previous } = songControls;
try {
const secToMicro = n => Math.round(Number(n) * 1e6);
const microToSec = n => Math.round(Number(n) / 1e6);
const seekTo = e => win.webContents.send("seekTo", microToSec(e.position));
const seekBy = o => win.webContents.send("seekBy", microToSec(o));
const player = setupMPRIS();
ipcMain.on('seeked', (_, t) => player.seeked(secToMicro(t)));
let currentSeconds = 0;
ipcMain.on('timeChanged', (_, t) => currentSeconds = t);
let currentLoopStatus = undefined;
let manuallySwitchingStatus = false;
ipcMain.on("repeatChanged", (_, mode) => {
if (manuallySwitchingStatus)
return;
if (mode === "Repeat off")
currentLoopStatus = "None";
else if (mode === "Repeat one")
currentLoopStatus = "Track";
else if (mode === "Repeat all")
currentLoopStatus = "Playlist";
player.loopStatus = currentLoopStatus;
});
player.on("loopStatus", (status) => {
// switchRepeat cycles between states in that order
const switches = ["None", "Playlist", "Track"];
const currentIndex = switches.indexOf(currentLoopStatus);
const targetIndex = switches.indexOf(status);
// Get a delta in the range [0,2]
const delta = (targetIndex - currentIndex + 3) % 3;
manuallySwitchingStatus = true;
songControls.switchRepeat(delta);
manuallySwitchingStatus = false;
})
player.getPosition = () => secToMicro(currentSeconds)
player.on("raise", () => {
win.setSkipTaskbar(false);
win.show();
});
player.on("play", () => {
if (player.playbackStatus !== 'Playing') {
player.playbackStatus = 'Playing';
playPause()
}
});
player.on("pause", () => {
if (player.playbackStatus !== 'Paused') {
player.playbackStatus = 'Paused';
playPause()
}
});
player.on("playpause", () => {
player.playbackStatus = player.playbackStatus === 'Playing' ? "Paused" : "Playing";
playPause();
});
player.on("next", next);
player.on("previous", previous);
player.on('seek', seekBy);
player.on('position', seekTo);
registerCallback(songInfo => {
if (player) {
const data = {
'mpris:length': secToMicro(songInfo.songDuration),
'mpris:artUrl': songInfo.imageSrc,
'xesam:title': songInfo.title,
'xesam:artist': [songInfo.artist],
'mpris:trackid': '/'
};
if (songInfo.album) data['xesam:album'] = songInfo.album;
player.metadata = data;
player.seeked(secToMicro(songInfo.elapsedSeconds))
player.playbackStatus = songInfo.isPaused ? "Paused" : "Playing"
}
})
} catch (e) {
console.warn("Error in MPRIS", e);
}
}
module.exports = registerMPRIS;