Support MPRIS loop

Author: foonathan

plugins/shortcuts/mpris.js

@@ -34,6 +34,35 @@ function registerMPRIS(win) {
 		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 curIdx = switches.indexOf(currentLoopStatus);
+			const newIdx = switches.indexOf(status);
+
+			// Get a delta in the range [0,2]
+			const delta = ((newIdx - curIdx) % 3 + 3) % 3;
+
+			manuallySwitchingStatus = true;
+			songControls.switchRepeat(delta);
+			manuallySwitchingStatus = false;
+		})
+
 		player.getPosition = () => secToMicro(currentSeconds)
 
 		player.on("raise", () => {

providers/song-controls.js

@@ -20,7 +20,10 @@ module.exports = (win) => {
 		go1sBack: () => pressKey(win, "h", ["shift"]),
 		go1sForward: () => pressKey(win, "l", ["shift"]),
 		shuffle: () => pressKey(win, "s"),
-		switchRepeat: () => pressKey(win, "r"),
+		switchRepeat: (n = 1) => {
+			for (let i = 0; i != n; ++i)
+				pressKey(win, "r");
+		},
 		// General
 		volumeMinus10: () => pressKey(win, "-"),
 		volumePlus10: () => pressKey(win, "="),

providers/song-info-front.js

@@ -22,6 +22,7 @@ module.exports = () => {
 		if (config.plugins.isEnabled('tuna-obs') ||
 			(is.linux() && config.plugins.isEnabled('shortcuts'))) {
 			setupTimeChangeListener();
+			setupRepeatChangeListener();
 		}
 		const video = $('video');
 		// name = "dataloaded" and abit later "dataupdated"
@@ -63,3 +64,13 @@ function setupTimeChangeListener() {
 	});
 	progressObserver.observe($('#progress-bar'), { attributeFilter: ["value"] })
 }
+
+function setupRepeatChangeListener() {
+	const repeatObserver = new MutationObserver(mutations => {
+		ipcRenderer.send('repeatChanged', mutations[0].target.title);
+	});
+	repeatObserver.observe($('#right-controls .repeat'), { attributeFilter: ["title"] });
+
+	// Emit the initial value as well; as it's persistent between launches.
+	ipcRenderer.send('repeatChanged', $('#right-controls .repeat').title);
+}