timer: fix displayed state. Don't save instant records. properly remove timerentries.
[enigma2.git] / timer.py
index ad248e1872865d28402c942e97b72487210bf608..a230545df27d012a3fbd5b1178072955752c9faf 100644 (file)
--- a/timer.py
+++ b/timer.py
@@ -1,5 +1,5 @@
 import bisect
-from time import *
+import time
 from enigma import *
 
 class TimerEntry:
@@ -31,10 +31,19 @@ class TimerEntry:
                return self.getTime() < o.getTime()
        
        def activate(self, event):
-               print "timer %s got activated (%d)!" % (self.description, event)
+               print "[timer.py] timer %s got activated (%d)!" % (self.description, event)
 
 class Timer:
 
+       # the time between "polls". We do this because
+       # we want to account for time jumps etc.
+       # of course if they occur <100s before starting,
+       # it's not good. thus, you have to repoll when
+       # you change the time.
+       #
+       # this is just in case. We don't want the timer 
+       # hanging. we use this "edge-triggered-polling-scheme"
+       # anyway, so why don't make it a bit more fool-proof?
        MaxWaitTime = 100
 
        def __init__(self):
@@ -43,24 +52,39 @@ class Timer:
                
                self.timer = eTimer()
                self.timer.timeout.get().append(self.calcNextActivation)
+               self.lastActivation = time.time()
                
                self.calcNextActivation()
        
-       def addTimerEntry(self, entry):
-               bisect.insort(self.timer_list, entry)
-               self.calcNextActivation()
+       def addTimerEntry(self, entry, noRecalc=0):
+               # we either go trough Prepare/Start/End-state if the timer is still running,
+               # or skip it when it's alrady past the end.
+               if entry.end > time.time():
+                       bisect.insort(self.timer_list, entry)
+                       if not noRecalc:
+                               self.calcNextActivation()
+               else:
+                       bisect.insort(self.processed_timers, entry)
        
        def setNextActivation(self, when):
-               delay = int((when - time()) * 1000)
-               print "next activation: %d (in %d ms)" % (when, delay)
+               delay = int((when - time.time()) * 1000)
+               print "[timer.py] next activation: %d (in %d ms)" % (when, delay)
                
                self.timer.start(delay, 1)
                self.next = when
 
        def calcNextActivation(self):
+               if self.lastActivation > time.time():
+                       print "[timer.py] timewarp - re-evaluating all processed timers."
+                       tl = self.processed_timers
+                       self.processed_timers = [ ]
+                       for x in tl:
+                               self.addTimerEntry(x, noRecalc=1)
+               
                self.processActivation()
+               self.lastActivation = time.time()
        
-               min = int(time()) + self.MaxWaitTime
+               min = int(time.time()) + self.MaxWaitTime
                
                # calculate next activation point
                if len(self.timer_list):
@@ -72,7 +96,7 @@ class Timer:
        
        def timeChanged(self, timer):
                self.timer_list.remove(timer)
-               bisect.insort(self.timer_list, timer)
+               self.addTimerEntry(timer)
        
        def doActivate(self, w):
                w.activate(w.state)
@@ -84,15 +108,8 @@ class Timer:
                        bisect.insort(self.processed_timers, w)
        
        def processActivation(self):
-               t = int(time()) + 1
+               t = int(time.time()) + 1
                
                # we keep on processing the first entry until it goes into the future.
                while len(self.timer_list) and self.timer_list[0].getTime() < t:
                        self.doActivate(self.timer_list[0])
-
-#t = Timer()
-#base = time() + 5
-#t.addTimerEntry(TimerEntry(base+10, base+20, None, None, "test #1: 10 - 20"))
-#t.addTimerEntry(TimerEntry(base+10, base+30, None, None, "test #2: 10 - 30"))
-#t.addTimerEntry(TimerEntry(base+15, base+20, None, None, "test #3: 15 - 20"))
-#t.addTimerEntry(TimerEntry(base+20, base+35, None, None, "test #4: 20 - 35"))