some testing stuffs

src/preload/cider-preload.js

@@ -2,7 +2,95 @@ const electron = require('electron')
 
 console.log('Loaded Preload')
 
+let cache = {playParams: {id: 0}, status: null, remainingTime: 0},
+    playbackCache = {status: null, time: Date.now()};
+
+const MusicKitInterop = {
+    init: function () {
+        MusicKit.getInstance().addEventListener(MusicKit.Events.playbackStateDidChange, () => {
+            if (MusicKitInterop.filterTrack(MusicKitInterop.getAttributes(), true, false)) {
+                console.log("ayy");
+                global.ipcRenderer.send('playbackStateDidChange', MusicKitInterop.getAttributes())
+                // if (typeof _plugins != "undefined") {
+                //     _plugins.execute("OnPlaybackStateChanged", {Attributes: MusicKitInterop.getAttributes()})
+                // }
+            }
+        });
+
+        MusicKit.getInstance().addEventListener(MusicKit.Events.nowPlayingItemDidChange, () => {
+            if (MusicKitInterop.filterTrack(MusicKitInterop.getAttributes(), false, true)) {
+                global.ipcRenderer.send('nowPlayingItemDidChange', MusicKitInterop.getAttributes());
+            }
+        });
+
+        MusicKit.getInstance().addEventListener(MusicKit.Events.authorizationStatusDidChange, () => {
+            global.ipcRenderer.send('authorizationStatusDidChange', MusicKit.getInstance().authorizationStatus)
+        })
+
+        MusicKit.getInstance().addEventListener(MusicKit.Events.mediaPlaybackError, (e) => {
+            console.warn(`[mediaPlaybackError] ${e}`);
+        })
+    },
+
+    getAttributes: function () {
+        const nowPlayingItem = MusicKit.getInstance().nowPlayingItem;
+        const isPlayingExport = MusicKit.getInstance().isPlaying;
+        const remainingTimeExport = MusicKit.getInstance().currentPlaybackTimeRemaining;
+        const attributes = (nowPlayingItem != null ? nowPlayingItem.attributes : {});
+
+        attributes.status = isPlayingExport ? isPlayingExport : false;
+        attributes.name = attributes.name ? attributes.name : 'No Title Found';
+        attributes.artwork = attributes.artwork ? attributes.artwork : {url: ''};
+        attributes.artwork.url = attributes.artwork.url ? attributes.artwork.url : '';
+        attributes.playParams = attributes.playParams ? attributes.playParams : {id: 'no-id-found'};
+        attributes.playParams.id = attributes.playParams.id ? attributes.playParams.id : 'no-id-found';
+        attributes.albumName = attributes.albumName ? attributes.albumName : '';
+        attributes.artistName = attributes.artistName ? attributes.artistName : '';
+        attributes.genreNames = attributes.genreNames ? attributes.genreNames : [];
+        attributes.remainingTime = remainingTimeExport ? (remainingTimeExport * 1000) : 0;
+        attributes.durationInMillis = attributes.durationInMillis ? attributes.durationInMillis : 0;
+        attributes.startTime = Date.now();
+        attributes.endTime = Math.round((attributes.playParams.id === cache.playParams.id ? (Date.now() + attributes.remainingTime) : (attributes.startTime + attributes.durationInMillis)));
+        attributes.endTime = attributes.endTime ? attributes.endTime : Date.now();
+        return attributes
+    },
+
+    filterTrack: function (a, playbackCheck, mediaCheck) {
+        if (a.title === "No Title Found" || a.playParams.id === "no-id-found") {
+            return;
+        } else if (mediaCheck && a.playParams.id === cache.playParams.id) {
+            return;
+        } else if (playbackCheck && a.status === playbackCache.status) {
+            return;
+        } else if (playbackCheck && !a.status && a.remainingTime === playbackCache.time) { /* Pretty much have to do this to prevent multiple runs when a song starts playing */
+            return;
+        }
+        cache = a;
+        if (playbackCheck) playbackCache = {status: a.status, time: a.remainingTime};
+        return true;
+    },
+
+    pausePlay: function () {
+        if (MusicKit.getInstance().isPlaying) {
+            MusicKit.getInstance().pause();
+        } else if (MusicKit.getInstance().nowPlayingItem != null) {
+            MusicKit.getInstance().play().then(r => console.log(`[MusicKitInterop] Playing ${r}`));
+        }
+    },
+
+    nextTrack: function () {
+        MusicKit.getInstance().skipToNextItem().then(r => console.log(`[MusicKitInterop] Skipping to Next ${r}`));
+    },
+
+    previousTrack: function () {
+        MusicKit.getInstance().skipToPreviousItem().then(r => console.log(`[MusicKitInterop] Skipping to Previous ${r}`));
+    }
+
+}
+
+
 process.once('loaded', () => {
     console.log("Setting ipcRenderer")
     global.ipcRenderer = electron.ipcRenderer;
+    global.MusicKitInterop = MusicKitInterop;
 });