git.maemo.org Git - theonering/blob - src/handle.py

   1 import logging
   2 import weakref
   3
   4 import telepathy
   5
   6 import tp
   7 import util.misc as util_misc
   8
   9
  10 _moduleLogger = logging.getLogger("handle")
  11
  12
  13 class TheOneRingHandle(tp.Handle):
  14         """
  15         Instances are memoized
  16         """
  17
  18         def __init__(self, connection, id, handleType, name):
  19                 tp.Handle.__init__(self, id, handleType, name)
  20                 self._conn = weakref.proxy(connection)
  21
  22         def __repr__(self):
  23                 return "<%s id=%u name='%s'>" % (
  24                         type(self).__name__, self.id, self.name
  25                 )
  26
  27         id = property(tp.Handle.get_id)
  28         type = property(tp.Handle.get_type)
  29         name = property(tp.Handle.get_name)
  30
  31
  32 class ConnectionHandle(TheOneRingHandle):
  33
  34         def __init__(self, connection, id):
  35                 handleType = telepathy.HANDLE_TYPE_CONTACT
  36                 handleName = connection.username
  37                 TheOneRingHandle.__init__(self, connection, id, handleType, handleName)
  38
  39                 self.profile = connection.username
  40
  41
  42 class ContactHandle(TheOneRingHandle):
  43
  44         def __init__(self, connection, id, phoneNumber):
  45                 self._phoneNumber = util_misc.normalize_number(phoneNumber)
  46
  47                 handleType = telepathy.HANDLE_TYPE_CONTACT
  48                 handleName = self._phoneNumber
  49                 TheOneRingHandle.__init__(self, connection, id, handleType, handleName)
  50
  51         @property
  52         def phoneNumber(self):
  53                 return self._phoneNumber
  54
  55
  56 class ListHandle(TheOneRingHandle):
  57
  58         def __init__(self, connection, id, listName):
  59                 handleType = telepathy.HANDLE_TYPE_LIST
  60                 handleName = listName
  61                 TheOneRingHandle.__init__(self, connection, id, handleType, handleName)
  62
  63
  64 _HANDLE_TYPE_MAPPING = {
  65         'connection': ConnectionHandle,
  66         'contact': ContactHandle,
  67         'list': ListHandle,
  68 }
  69
  70
  71 def create_handle_factory():
  72
  73         cache = weakref.WeakValueDictionary()
  74
  75         def create_handle(connection, type, *args):
  76                 Handle = _HANDLE_TYPE_MAPPING[type]
  77                 key = Handle, connection.username, args
  78                 try:
  79                         handle = cache[key]
  80                         isNewHandle = False
  81                 except KeyError:
  82                         # The misnamed get_handle_id requests a new handle id
  83                         handle = Handle(connection, connection.get_handle_id(), *args)
  84                         cache[key] = handle
  85                         isNewHandle = True
  86                 connection._handles[handle.get_type(), handle.get_id()] = handle
  87                 handleStatus = "Is New!" if isNewHandle else "From Cache"
  88                 _moduleLogger.debug("Created Handle: %r (%s)" % (handle, handleStatus))
  89                 return handle
  90
  91         return create_handle
  92
  93
  94 create_handle = create_handle_factory()