From 182a14f4b9aec4722f7f94ab44bf57356c6d71aa Mon Sep 17 00:00:00 2001
From: Eddy Pedroni <eddy@0xf7.com>
Date: Tue, 21 Dec 2021 08:16:55 +0100
Subject: Added AB controller with some tests, minor refactor to playlist

---
 abcontroller.py | 38 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)
 create mode 100644 abcontroller.py

(limited to 'abcontroller.py')

diff --git a/abcontroller.py b/abcontroller.py
new file mode 100644
index 0000000..8c14c0c
--- /dev/null
+++ b/abcontroller.py
@@ -0,0 +1,38 @@
+from collections import namedtuple
+
+_AB = namedtuple("_AB", ["a", "b"])
+
+class ABController:
+    def __init__(self):
+        self.setPositionCallback = None
+        self._limits = dict() # dictionary of all songs
+        self._songLimits = None # list of limits for selected song
+        self._currentLimits = None # a/b positions of selected limit
+
+    def setCurrentSong(self, path):
+        if path not in self._limits:
+            self._limits[path] = list()
+
+        self._songLimits = self._limits[path]
+        self._currentLimits = None
+
+    def addLimits(self, aLimit, bLimit):
+        if self._songLimits is None:
+            return
+
+        ab = _AB(aLimit, bLimit)
+        self._songLimits.append(ab)
+
+    def setCurrentLimits(self, index):
+        if not self._songLimits:
+            return
+
+        if index >= 0 and index < len(self._songLimits):
+            self._currentLimits = self._songLimits[index]
+
+    def positionChanged(self, position):
+        if not self._currentLimits:
+            return
+
+        if position > self._currentLimits.b and self.setPositionCallback:
+            self.setPositionCallback(self._currentLimits.a)
-- 
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