fallback to pseudo playback accessor if main accessor is invalid

Author: LabyStudio

src/main/java/de/labystudio/spotifyapi/platform/windows/WinSpotifyAPI.java

@@ -42,13 +42,17 @@ protected void onTick() {
             this.listeners.forEach(SpotifyListener::onConnect);
         }
 
-        PlaybackAccessor playback = this.process.getPlaybackAccessor();
-        String trackId = this.process.getTrackId();
+        // Read track id and check if track id is valid
+        String trackId = this.process.readTrackId();
+        if (!this.process.isTrackIdValid(trackId)) {
+            throw new IllegalStateException("Invalid track ID: " + trackId);
+        }
 
-        // Update playback status and check if it is valid
-        if (!this.process.isTrackIdValid(trackId) || !playback.update()) {
-            this.currentPosition = -1;
-            throw new IllegalStateException("Could not update playback");
+        // Update playback state
+        PlaybackAccessor playback = this.process.getMainPlaybackAccessor();
+        PlaybackAccessor pseudoPlayback = this.process.getPseudoPlaybackAccessor();
+        if (!playback.update() && pseudoPlayback.update()) {
+            playback = pseudoPlayback; // Fallback to pseudo playback if main playback fails
         }
 
         // Handle track changes
@@ -139,7 +143,7 @@ public boolean hasPosition() {
             return false;
         }
 
-        PlaybackAccessor playback = this.process.getPlaybackAccessor();
+        PlaybackAccessor playback = this.process.getMainPlaybackAccessor();
         return playback.hasTrackPosition();
     }
 

src/main/java/de/labystudio/spotifyapi/platform/windows/api/playback/source/MediaControlPlaybackAccessor.java

@@ -26,7 +26,7 @@ public boolean update() {
         this.playbackPosition = this.mediaControl.getPlaybackPosition();
         this.trackDuration = this.mediaControl.getTrackDuration();
         this.isPlaying = this.mediaControl.isPlaying();
-        return true;
+        return this.isValid();
     }
 
     @Override

src/main/java/de/labystudio/spotifyapi/platform/windows/api/spotify/SpotifyProcess.java

@@ -37,7 +37,8 @@ public class SpotifyProcess extends WinProcess {
     };
 
     private final long addressTrackId;
-    private final PlaybackAccessor playbackAccessor;
+    private final PlaybackAccessor mainPlaybackAccessor;
+    private final PseudoPlaybackAccessor pseudoPlaybackAccessor;
 
     private WindowsMediaControl mediaControl;
 
@@ -61,6 +62,9 @@ public SpotifyProcess(SpotifyConfiguration configuration) {
         // Find the track id address in the memory
         this.addressTrackId = this.findTrackIdAddress();
 
+        // The dumb accessor can only detect the current playing state from the process title
+        this.pseudoPlaybackAccessor = new PseudoPlaybackAccessor(this);
+
         PlaybackAccessor accessor;
         try {
             // Initialize natives for Media Control access
@@ -72,10 +76,9 @@ public SpotifyProcess(SpotifyConfiguration configuration) {
             e.printStackTrace();
 
             // We can continue without Media Control access but some features may not work
-            // The dumb accessor can only detect the current playing state from the process title
-            accessor = new PseudoPlaybackAccessor(this);
+            accessor = this.pseudoPlaybackAccessor;
         }
-        this.playbackAccessor = accessor;
+        this.mainPlaybackAccessor = accessor;
 
         if (DEBUG) {
             System.out.println("Scanning took " + (System.currentTimeMillis() - timeScanStart) + "ms");
@@ -181,7 +184,7 @@ private String readTrackId(long address) {
      *
      * @return the track id without the prefix "spotify:track:"
      */
-    public String getTrackId() {
+    public String readTrackId() {
         return this.readTrackId(this.addressTrackId);
     }
 
@@ -210,8 +213,12 @@ public SpotifyTitle getTitle() {
         return (this.previousTitle = title);
     }
 
-    public PlaybackAccessor getPlaybackAccessor() {
-        return this.playbackAccessor;
+    public PlaybackAccessor getMainPlaybackAccessor() {
+        return this.mainPlaybackAccessor;
+    }
+
+    public PseudoPlaybackAccessor getPseudoPlaybackAccessor() {
+        return this.pseudoPlaybackAccessor;
     }
 
     public long getAddressTrackId() {