✨ | Add ability to load previous track

player.py

@@ -355,6 +355,7 @@ class AudioPlayer(QObject):
     """
 
     loading               = Signal(str)
+    song_loaded           = Signal(bool)
     song_started          = Signal(dict)
     song_ended            = Signal(str)
     paused                = Signal(dict)
@@ -383,6 +384,7 @@ class AudioPlayer(QObject):
         # ── Queue & state ─────────────────────────────────────────────
         self._queue: list[dict] = []
         self._current: Optional[dict] = None
+        self._history: list[dict] = []
         self._loop_mode = False
 
         # ── Download worker (single persistent thread) ────────────────
@@ -447,20 +449,42 @@ class AudioPlayer(QObject):
 
     def skip(self) -> None:
         """Skip to the next song."""
-        # Cancel any in-progress download (the skip is our new intent).
+        # Push current song to history before moving on.
+        if self._current is not None:
+            self._history.append(self._current)
         self._cancel_active_downloads()
         self._player.stop()
         self._advance()
 
+    def previous(self) -> None:
+        """Go back to the previous song, if available."""
+        if not self._history:
+            return
+        prev = self._history.pop()
+        self._cancel_active_downloads()
+        self._player.stop()
+        self._queue.insert(0, prev)
+        self._try_next_song()
+
+    def has_previous(self) -> bool:
+        """Whether a previous song is available."""
+        return len(self._history) > 0
+
+    def is_loaded(self) -> bool:
+        """Whether any song is currently loaded (playing or paused)."""
+        return self._current is not None
+
     def stop_playback(self) -> None:
         """Soft stop: halt playback, clear queue, cancel downloads."""
         self._cancel_active_downloads()
         self._cleanup_temp_files()
         self._queue.clear()
         self._prefetch_cache.clear()
+        self._history.clear()
         self._loop_mode = False
         self._current = None
         self._player.stop()
+        self.song_loaded.emit(False)
         self.playback_state_changed.emit("stopped")
 
     @Slot()
@@ -523,6 +547,9 @@ class AudioPlayer(QObject):
     def get_loop(self) -> bool:
         return self._loop_mode
 
+    def get_position(self) -> int:
+        return self._player.position()
+
     def set_loop(self, enabled: bool) -> None:
         self._loop_mode = enabled
 
@@ -658,6 +685,7 @@ class AudioPlayer(QObject):
         self._player.setSource(QUrl.fromLocalFile(local_path))
         self._player.play()
         self.song_started.emit(song)
+        self.song_loaded.emit(True)
 
         # Kick off prefetch for the next queued song.
         self._start_prefetch()