Source Code for Module pyjamas.DeferredCommand

 1  from pyjamas.Timer import Timer 
 2   
 3  deferredCommands = [] 
 4  timerIsActive = False 
 5   
 6 -def add(cmd): 
 7      deferredCommands.append(cmd) 
 8      maybeSetDeferredCommandTimer() 
 9   
10 -def flushDeferredCommands(): 
11      for i in range(len(deferredCommands)): 
12          current = deferredCommands[0] 
13          del deferredCommands[0] 
14          if current: 
15              current.execute() 
16   
17 -def maybeSetDeferredCommandTimer(): 
18      global timerIsActive 
19   
20      if (not timerIsActive) and (not len(deferredCommands)==0): 
21          Timer(1, onTimer) 
22          timerIsActive = True 
23   
24 -def onTimer(t): 
25      global timerIsActive 
26   
27      flushDeferredCommands() 
28      timerIsActive = False 
29      maybeSetDeferredCommandTimer() 
30