speedup opening of long movielists
[enigma2.git] / lib / python / Components / MovieList.py
1 from HTMLComponent import *
2 from GUIComponent import *
3 from Tools.FuzzyDate import FuzzyTime
4 from ServiceReference import ServiceReference
5 from Components.MultiContent import MultiContentEntryText, RT_HALIGN_LEFT, RT_HALIGN_RIGHT
6
7 from enigma import eListboxPythonMultiContent, eListbox, gFont, iServiceInformation
8
9 from enigma import eServiceReference, eServiceCenter, \
10         eServiceCenterPtr, iListableServicePtr, \
11         iStaticServiceInformationPtr
12
13 class MovieList(HTMLComponent, GUIComponent):
14         def __init__(self, root):
15                 GUIComponent.__init__(self)
16                 self.l = eListboxPythonMultiContent()
17                 if root is not None:
18                         self.reload(root)
19                 self.l.setFont(0, gFont("Regular", 22))
20                 self.l.setFont(1, gFont("Regular", 18))
21                 self.l.setFont(2, gFont("Regular", 16))
22                 self.l.setBuildFunc(self.buildMovieListEntry)
23
24         #
25         # | name of movie              |
26         #
27         def buildMovieListEntry(self, serviceref, info, begin, len):
28                 if serviceref.flags & eServiceReference.mustDescent:
29                         return None
30
31                 if len > 0:
32                         len = "%d:%02d" % (len / 60, len % 60)
33                 else:
34                         len = "?:??"
35
36                 res = [ None ]
37
38                 res.append(MultiContentEntryText(pos=(0, 0), size=(420, 30), font = 0, flags = RT_HALIGN_LEFT, text = info.getName(serviceref)))
39                 service = ServiceReference(info.getInfoString(serviceref, iServiceInformation.sServiceref))
40                 if service is not None:
41                         res.append(MultiContentEntryText(pos=(420, 0), size=(140, 30), font = 2, flags = RT_HALIGN_RIGHT, text = service.getServiceName()))
42
43                 description = info.getInfoString(serviceref, iServiceInformation.sDescription)
44
45                 begin_string = ""
46                 if begin > 0:
47                         t = FuzzyTime(begin)
48                         begin_string = t[0] + ", " + t[1]
49
50                 res.append(MultiContentEntryText(pos=(0, 30), size=(560, 20), font=1, flags=RT_HALIGN_LEFT, text=description))
51                 res.append(MultiContentEntryText(pos=(0, 50), size=(270, 20), font=1, flags=RT_HALIGN_LEFT, text=begin_string))
52                 res.append(MultiContentEntryText(pos=(290, 50), size=(270, 20), font=1, flags=RT_HALIGN_RIGHT, text=len))
53
54                 return res
55
56         def moveToIndex(self, index):
57                 self.instance.moveSelectionTo(index)
58
59         def getCurrentIndex(self):
60                 return self.instance.getCurrentIndex()
61
62         def getCurrent(self):
63                 return self.l.getCurrentSelection()[0]
64
65         def GUIcreate(self, parent):
66                 self.instance = eListbox(parent)
67                 self.instance.setContent(self.l)
68                 self.instance.setItemHeight(75)
69         
70         def GUIdelete(self):
71                 self.instance.setContent(None)
72                 self.instance = None
73
74         def reload(self, root = None):
75                 if root is not None:
76                         self.load(root)
77                 else:
78                         self.load(self.root)
79                 self.l.setList(self.list)
80
81         def removeService(self, service):
82                 for l in self.list[:]:
83                         if l[0] == service:
84                                 self.list.remove(l)
85                 self.l.setList(self.list)
86
87         def __len__(self):
88                 return len(self.list)
89
90         def updateLengthOfIndex(self, index):
91                 x = self.list[index]
92                 self.list[index] = (x[0], x[1], x[2], x[1].getLength(x[0]))
93                 self.l.invalidateEntry(index)
94
95         def load(self, root):
96                 # this lists our root service, then building a 
97                 # nice list
98                 
99                 self.list = [ ]
100                 self.root = root
101                 
102                 self.serviceHandler = eServiceCenter.getInstance()
103                 list = self.serviceHandler.list(root)
104                 
105                 if list is None:
106                         raise "listing of movies failed"
107
108                 while 1:
109                         serviceref = list.getNext()
110                         if not serviceref.valid():
111                                 break
112                         if serviceref.flags & eServiceReference.mustDescent:
113                                 continue
114                         info = self.serviceHandler.info(serviceref)
115                         if info is None:
116                                 continue
117                         begin = info.getInfo(serviceref, iServiceInformation.sTimeCreate)
118                         self.list.append((serviceref, info, begin, -1))
119                 
120                 self.list.sort(key=lambda x: -x[2])
121
122         def moveTo(self, serviceref):
123                 found = 0
124                 count = 0
125                 for x in self.list:
126                         if x[0] == serviceref:
127                                 found = count
128                         count += 1
129                 self.instance.moveSelectionTo(found)
130
131         def moveDown(self):
132                 self.instance.moveSelection(self.instance.moveDown)