pulser: Hide the pulser when not pulsing

Signed-off-by: Anna Schumaker <Anna@NoWheyCreamery.com>

ui/pulser.py

@@ -8,6 +8,7 @@ Threads = [ ]
 Lock = threading.Lock()
 Timeout = None
 
+Bar.hide()
 Bar.set_valign(Gtk.Align.CENTER)
 Bar.set_margin_start(10)
 Bar.set_margin_end(10)
@@ -21,6 +22,7 @@ def do_pulses():
 
         if len(Threads) == 0:
             Timeout = None
+            Bar.hide()
             return GLib.SOURCE_REMOVE
         return GLib.SOURCE_CONTINUE
 
@@ -30,6 +32,7 @@ def start_pulsing(thread):
         Threads.append(thread)
         if Timeout == None:
             Timeout = GLib.timeout_add(100, do_pulses)
+        Bar.show()
 
 def initialize():
     lib.thread.Start.register(start_pulsing)
@@ -43,3 +46,4 @@ def reset():
         if Timeout != None:
             GLib.source_remove(Timeout)
             Timeout = None
+        Bar.hide()

ui/test_pulser.py

@@ -21,6 +21,7 @@ class TestUIPulser(unittest.TestCase):
         self.assertIsInstance(pulser.Lock, type(threading.Lock()))
         self.assertIsNone(pulser.Timeout)
 
+        self.assertFalse(pulser.Bar.get_visible())
         self.assertEqual(pulser.Threads, [ ])
         self.assertEqual(pulser.Bar.get_valign(), Gtk.Align.CENTER)
         self.assertEqual(pulser.Bar.get_margin_start(), 10)
@@ -37,6 +38,7 @@ class TestUIPulser(unittest.TestCase):
         self.assertEqual(pulser.Threads, [ t1 ])
         tid = pulser.Timeout
         self.assertIsNotNone(tid)
+        self.assertTrue(pulser.Bar.get_visible())
 
         pulser.start_pulsing(t2)
         self.assertEqual(pulser.Threads, [ t1, t2 ])
@@ -47,5 +49,6 @@ class TestUIPulser(unittest.TestCase):
         pulser.do_pulses()
         self.assertEqual(pulser.Threads, [ ])
         self.assertIsNone(pulser.Timeout)
+        self.assertFalse(pulser.Bar.get_visible())
 
         GLib.source_remove(tid)