fix mpris

Author: Araxeus

plugins/shortcuts/back.js

@@ -1,12 +1,10 @@
-const { globalShortcut } = require("electron");
+const { globalShortcut, ipcMain } = require("electron");
 const is = require("electron-is");
 const electronLocalshortcut = require("electron-localshortcut");
 const getSongControls = require("../../providers/song-controls");
 const { setupMPRIS } = require("./mpris");
 const registerCallback = require("../../providers/song-info");
 
-let player;
-
 function _registerGlobalShortcut(webContents, shortcut, action) {
 	globalShortcut.register(shortcut, () => {
 		action(webContents);
@@ -31,54 +29,8 @@ function registerShortcuts(win, options) {
 
 	_registerLocalShortcut(win, "CommandOrControl+F", search);
 	_registerLocalShortcut(win, "CommandOrControl+L", search);
-	registerCallback(songInfo => {
-		if (player) {
-			player.metadata = {
-				'mpris:length': songInfo.songDuration * 60 * 1000 * 1000, // In microseconds
-				'mpris:artUrl': songInfo.imageSrc,
-				'xesam:title': songInfo.title,
-				'xesam:artist': songInfo.artist
-			};
-			if (!songInfo.isPaused) {
-				player.playbackStatus = "Playing"
-			}
-		}
-	}
-	)
 
-	if (is.linux()) {
-		try {
-			const MPRISPlayer = setupMPRIS();
-
-			MPRISPlayer.on("raise", () => {
-				win.setSkipTaskbar(false);
-				win.show();
-			});
-			MPRISPlayer.on("play", () => {
-				if (MPRISPlayer.playbackStatus !== 'Playing') {
-					MPRISPlayer.playbackStatus = 'Playing';
-					playPause()
-				}
-			});
-			MPRISPlayer.on("pause", () => {
-				if (MPRISPlayer.playbackStatus !== 'Paused') {
-					MPRISPlayer.playbackStatus = 'Paused';
-					playPause()
-				}
-			});
-			MPRISPlayer.on("next", () => {
-				next()
-			});
-			MPRISPlayer.on("previous", () => {
-				previous()
-			});
-
-			player = MPRISPlayer
-
-		} catch (e) {
-			console.warn("Error in MPRIS", e);
-		}
-	}
+	if (is.linux()) registerMPRIS();
 
 	const { global, local } = options;
 	const shortcutOptions = { global, local };
@@ -106,6 +58,71 @@ function registerShortcuts(win, options) {
 			}
 		}
 	}
+	function registerMPRIS() {
+		try {
+			const secToMicro = n => Math.round(Number(n) * (1000 * 1000));
+			const microToSec = n => Math.round(Number(n) / 1000 / 1000);
+
+			const seekTo = e => win.webContents.send("seekTo", microToSec(e.position));
+			const seek = o => win.webContents.send("seek", microToSec(o));
+
+			const player = setupMPRIS();
+
+			const mprisSeek = p => {
+				player.seeked(p);
+			}
+			win.webContents.send("registerOnSeek");
+
+			ipcMain.on('seeked', (_, t) => mprisSeek(secToMicro(t)));
+
+			let currentSeconds = 0;
+			ipcMain.on('timeChanged', (_, t) => currentSeconds = t);
+
+			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", playPause);
+			player.on("next", next);
+			player.on("previous", previous);
+
+			player.on('seek', seek);
+			player.on('position', seekTo);
+
+			registerCallback(songInfo => {
+				if (player) {
+					player.metadata = {
+						'mpris:length': secToMicro(songInfo.songDuration),
+						'mpris:artUrl': songInfo.imageSrc,
+						'xesam:title': songInfo.title,
+						'xesam:artist': songInfo.artist,
+						'mpris:trackid': '/'
+					};;
+					mprisSeek(secToMicro(songInfo.elapsedSeconds))
+					player.playbackStatus = songInfo.isPaused ? "Paused" : "Playing"
+				}
+			})
+
+		} catch (e) {
+			console.warn("Error in MPRIS", e);
+		}
+	}
 }
 
 module.exports = registerShortcuts;

preload.js

@@ -6,6 +6,7 @@ const config = require("./config");
 const { fileExists } = require("./plugins/utils");
 const setupFrontLogger = require("./providers/front-logger");
 const setupSongInfo = require("./providers/song-info-front");
+const { setupSongControls } = require("./providers/song-controls-front");
 
 const plugins = config.plugins.getEnabled();
 
@@ -45,6 +46,9 @@ document.addEventListener("DOMContentLoaded", () => {
 	// inject song-info provider
 	setupSongInfo();
 
+	// inject song-controls
+	setupSongControls();
+
 	// inject front logger
 	setupFrontLogger();
 

providers/song-controls-front.js

@@ -0,0 +1,30 @@
+const { ipcRenderer } = require("electron");
+
+module.exports.seekTo = seekTo;
+function seekTo(t) {
+    document.querySelector('video').currentTime = t;
+}
+
+module.exports.seek = seek;
+function seek(o) {
+    document.querySelector('video').currentTime += o;
+}
+
+module.exports.setupSongControls = () => {
+	ipcRenderer.on("seekTo", async (_, t) => seekTo(t));
+    ipcRenderer.on("seek", async (_, t) => seek(t));
+    ipcRenderer.once("registerOnSeek", registerOnSeek)
+};
+
+async function registerOnSeek() {
+    const register = v => v.addEventListener('seeked', () => ipcRenderer.send('seeked', v.currentTime));
+    let video =  document.querySelector('video');
+    if (video) {
+        register(video);
+    }
+    else {
+        document.addEventListener('apiLoaded', () => {
+            register(document.querySelector('video'))
+        }, { once: true, passive: true })
+    }
+}

providers/song-info-front.js

@@ -11,9 +11,19 @@ ipcRenderer.on("update-song-info", async (_, extractedSongInfo) => {
 
 module.exports = () => {
 	document.addEventListener('apiLoaded', e => {
+		setupTimeChangeListener();
+
 		document.querySelector('video').addEventListener('loadedmetadata', () => {
 			const data = e.detail.getPlayerResponse();
 			ipcRenderer.send("song-info-request", JSON.stringify(data));
 		});
 	}, { once: true, passive: true })
 };
+
+function setupTimeChangeListener() {
+	const progressObserver = new MutationObserver(mutations => {
+		ipcRenderer.send('timeChanged', mutations[0].target.value);
+		global.songInfo.elapsedSeconds = mutations[0].target.value;
+	});
+	progressObserver.observe(document.querySelector('#progress-bar'), { attributeFilter: ["value"] })
+}

providers/song-info.js

@@ -45,6 +45,7 @@ const songInfo = {
 	songDuration: 0,
 	elapsedSeconds: 0,
 	url: "",
+	videoId: "",
 };
 
 const handleData = async (responseText, win) => {
@@ -57,6 +58,7 @@ const handleData = async (responseText, win) => {
 	songInfo.image = await getImage(songInfo.imageSrc);
 	songInfo.uploadDate = data?.microformat?.microformatDataRenderer?.uploadDate;
 	songInfo.url = data?.microformat?.microformatDataRenderer?.urlCanonical?.split("&")[0];
+	songInfo.videoId = data?.videoDetails?.videoId;
 
 	// used for options.resumeOnStart
 	config.set("url", data?.microformat?.microformatDataRenderer?.urlCanonical);