lib/python/Components/TimerSanityCheck.py

   1 from time import localtime
   2
   3 class TimerSanityCheck:
   4         def __init__(self, timerlist, newtimer):
   5                 self.timerlist = timerlist
   6                 self.newtimer = newtimer
   7                 self.simultimer = []
   8
   9         def check(self):
  10                 self.simultimer = [ self.newtimer ]
  11                 for timer in self.timerlist:
  12                         if self.isSimultaneous(timer, self.newtimer):
  13                                 self.simultimer.append(timer)
  14
  15                 if len(self.simultimer) > 1:
  16                         return self.checkRecordable(self.simultimer)
  17
  18                 return True
  19
  20         def getSimulTimerList(self):
  21                 return self.simultimer
  22
  23         def isSimultaneous(self, timer1, timer2):
  24                 # both timers are repeated
  25                 if (timer1.repeated & timer2.repeated):
  26                         return self.timeEquals(timer1, timer2)
  27
  28                 # one timer is repeated
  29                 if not timer1.repeated:
  30                         tmp = timer1
  31                         timer1 = timer2
  32                         timer2 = tmp
  33
  34                 if timer1.repeated:
  35                         dow2 = (localtime(timer2.begin).tm_wday - 1) % 7
  36
  37                         if timer1.repeated & (2 ** dow2):
  38                                 return self.timeEquals(timer1, timer2)
  39                 else:
  40                         if (timer1.begin <= timer2.begin < timer1.end) or (timer2.begin <= timer1.begin < timer2.end):
  41                                 return True
  42
  43                 return False
  44
  45         def timeEquals(self, timer1, timer2):
  46                 ltb1 = localtime(timer1.begin)
  47                 ltb2 = localtime(timer2.begin)
  48
  49                 begin1 = ltb1.tm_hour * 3600 + ltb1.tm_min * 60 + ltb1.tm_sec
  50                 begin2 = ltb2.tm_hour * 3600 + ltb2.tm_min * 60 + ltb2.tm_sec
  51
  52                 end1 = begin1 + timer1.end - timer1.begin
  53                 end2 = begin2 + timer2.end - timer2.begin
  54
  55                 return (begin1 <= begin2 < end1) or (begin2 <= begin1 < end2)
  56
  57         def checkRecordable(self, timerlist):
  58                 # TODO: Add code here
  59                 return True