Source Code for Module pyjamas.DeferredCommand

 1  from pyjamas.Timer import Timer 
 2   
 3  deferredCommands = [] 
 4  timerIsActive = False 
 5   
 6   
 7 -def add(cmd): 
 8      deferredCommands.append(cmd) 
 9      maybeSetDeferredCommandTimer() 
10   
11   
12 -def flushDeferredCommands(): 
13      for i in range(len(deferredCommands)): 
14          current = deferredCommands[0] 
15          del deferredCommands[0] 
16          if current: 
17              if hasattr(current, "execute"): 
18                  current.execute() 
19              else: 
20                  current() 
21   
22   
23 -def maybeSetDeferredCommandTimer(): 
24      global timerIsActive 
25   
26      if (not timerIsActive) and (not len(deferredCommands) == 0): 
27          Timer(1, onTimer) 
28          timerIsActive = True 
29   
30   
31 -def onTimer(t): 
32      global timerIsActive 
33   
34      flushDeferredCommands() 
35      timerIsActive = False 
36      maybeSetDeferredCommandTimer() 
37