Added basic event notification capabilities, first event

1 files changed, 14 insertions, 3 deletions

diff --git a/solo_tool.py b/solo_tool.py
index 6581f5e..5e3a1fd 100644
--- a/solo_tool.py
+++ b/solo_tool.py
@@ -3,6 +3,7 @@ import os
 from playlist import Playlist
 from abcontroller import ABController
 from session_manager import SessionManager
+from notifier import Notifier
 from player_vlc import Player
 
 class SoloTool:
@@ -11,6 +12,7 @@ class SoloTool:
         self._playlist = Playlist(self._playlistCallback)
         self._abController = ABController(enabled=False, callback=self._abControllerCallback)
         self._sessionManager = SessionManager(self._playlist, self._abController)
+        self._notifier = Notifier()
 
     def _playlistCallback(self, path):
         self._player.setCurrentSong(path)
@@ -78,13 +80,19 @@ class SoloTool:
             self._sessionManager.saveSession(f)
 
     def play(self):
-        self._player.play()
+        self._playerCommand(self._player.play)
 
     def pause(self):
-        self._player.pause()
+        self._playerCommand(self._player.pause)
 
     def stop(self):
-        self._player.stop()
+        self._playerCommand(self._player.stop)
+
+    def _playerCommand(self, f):
+        playing = self.isPlaying()
+        f()
+        if playing != self.isPlaying():
+            self._notifier.notify(Notifier.PLAYING_STATE_EVENT)
 
     def isPlaying(self):
         return self._player.isPlaying()
@@ -101,3 +109,6 @@ class SoloTool:
     def setPlaybackVolume(self, volume):
         self._player.setPlaybackVolume(volume)
 
+    def registerPlayingStateCallback(self, callback):
+        self._notifier.registerCallback(Notifier.PLAYING_STATE_EVENT, callback)
+