1 files changed, 40 insertions, 0 deletions
diff --git a/solo-tool-project/src/solo_tool/playlist.py b/solo-tool-project/src/solo_tool/playlist.py
new file mode 100644
index 0000000..bbfd8f5
--- /dev/null
+++ b/solo-tool-project/src/solo_tool/playlist.py
@@ -0,0 +1,40 @@
+class Playlist:
+    def __init__(self, callback):
+        self._songList = list()
+        self._currentSong = None
+        self._setSongCallback = callback
+
+    def addSong(self, path):
+        self._songList.append(path)
+
+    def setCurrentSong(self, index):
+        if index >= 0 and index < len(self._songList):
+            self._currentSong = index
+            self._setSongCallback(self._songList[index])
+    
+    def getCurrentSong(self):
+        index = self._currentSong
+        return self._songList[index] if index is not None else None
+
+    def getCurrentSongIndex(self):
+        return self._currentSong
+
+    def getSongs(self):
+        return self._songList
+
+    def clear(self):
+        self.__init__(self._setSongCallback)
+
+    def nextSong(self):
+        if self._currentSong is None:
+            nextSong = 0
+        else:
+            nextSong = self._currentSong + 1
+        self.setCurrentSong(nextSong)
+
+    def previousSong(self):
+        if self._currentSong is None:
+            prevSong = 0
+        else:
+            prevSong = self._currentSong - 1
+        self.setCurrentSong(prevSong)