Dynamic background fixes and avoid too bright colors

mopidy_touchscreen/dynamic_background.py

@@ -1,4 +1,5 @@
 import random
+import logging
 
 change_speed = 2
 
@@ -7,26 +8,50 @@ class DynamicBackground():
     def __init__(self):
         self.current = get_valid_color()
         self.target = get_valid_color()
+        self.auto_mode = True
+        self.target_current_same = False
 
     def draw_background(self, surface):
-        same = True
-        for x in range(0, 3):
-            if abs(self.current[x]-self.target[x]) < change_speed:
-                self.current[x] = self.target[x]
-            else:
-                if self.current[x] > self.target[x]:
-                    self.current[x] -= change_speed
-                elif self.current[x] < self.target[x]:
-                    self.current[x] += change_speed
-                if self.current != self.target:
-                    same = False
-        #if same:
-        #    self.target = get_valid_color()
+        if not self.target_current_same:
+            for x in range(0, 3):
+                if abs(self.current[x]-self.target[x]) < change_speed:
+                    self.current[x] = self.target[x]
+                    self.target_current_same = True
+                else:
+                    self.target_current_same = False
+                    if self.current[x] > self.target[x]:
+                        self.current[x] -= change_speed
+                    elif self.current[x] < self.target[x]:
+                        self.current[x] += change_speed
+        if self.auto_mode and self.target_current_same:
+            self.target = get_valid_color()
+            self.target_current_same = False
         surface.fill(self.current)
 
     def set_target_color(self, color):
-        self.target = [color[0], color[1], color[2]]
+        if color is not None:
+            self.target = get_similar_valid_color(color)
+            self.auto_mode = False
+            self.target_current_same = False
+        else:
+            self.auto_mode = True
+            self.target = get_valid_color()
+            self.target_current_same = False
 
+# It will return the same color if sum is less than 510
+# Otherwise a darker color will be returned
+# White text should be seen ok with this background color
+
+def get_similar_valid_color(color):
+    sum = color[0] + color[1] + color[2]
+    new_color = [0, 0, 0]
+    if sum > 510:
+        rest = (sum - 510)/3 + 1
+        for x in range(0,3):
+            new_color[x] = color[x] - rest
+        return new_color
+    else:
+        return color
 
 # Returns an array with 3 integers in range of 0-255
 # The sum of the three integers will be lower than 255*2

mopidy_touchscreen/main_screen.py

@@ -246,13 +246,8 @@ class MainScreen(BaseScreen):
             self.touch_text_manager.set_touch_object("artist_name", current)
 
     def track_playback_ended(self, tl_track, time_position):
-        if self.image is not None:
-            self.dirty_area.append(pygame.Rect(self.base_size / 2,
-                                               self.base_size + self.base_size / 2,
-                                               self.image.get_rect().width,
-                                               self.image.get_rect().height))
-            self.image = None
-
+        self.background.set_target_color(None)
+        self.image = None
         self.track_duration = "00:00"
 
         width = self.size[0] - self.base_size