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

   1 from __future__ import with_statement
   2
   3 import os
   4 import logging
   5
   6 import telepathy
   7
   8 import tp
   9 import util.misc as misc_utils
  10
  11
  12 _moduleLogger = logging.getLogger(__name__)
  13
  14
  15 class AvatarsMixin(tp.server.ConnectionInterfaceAvatars):
  16
  17         __SELF_AVATAR = "tor_self"
  18         __MOBILE_AVATAR = "tor_handset"
  19         __LANDLINE_AVATAR = "tor_phone"
  20         __OTHER_AVATAR = "tor_question"
  21
  22         __LOOKUP_PATHS = (
  23                 "/usr/share/theonering",
  24                 os.path.join(os.path.dirname(__file__), "../support/icons"),
  25         )
  26
  27         def __init__(self):
  28                 tp.server.ConnectionInterfaceAvatars.__init__(self)
  29                 self._avatarCache = {}
  30
  31                 self._implement_property_get(
  32                         telepathy.interfaces.CONNECTION_INTERFACE_AVATARS,
  33                         {
  34                                 'SupportedAvatarMimeTypes': lambda: ("image/png", ),
  35                                 'MinimumAvatarHeight': lambda: 32,
  36                                 'MinimumAvatarWidth': lambda: 32,
  37                                 'RecommendedAvatarHeight': lambda: 32,
  38                                 'RecommendedAvatarWidth': lambda: 32,
  39                                 'MaximumAvatarHeight': lambda: 32,
  40                                 'MaximumAvatarWidth': lambda: 32,
  41                                 'MaximumAvatarBytes': lambda: 500 * 1024,
  42                         },
  43                 )
  44
  45         @property
  46         def session(self):
  47                 """
  48                 @abstract
  49                 """
  50                 raise NotImplementedError("Abstract property called")
  51
  52         def get_handle_by_id(self, handleType, handleId):
  53                 """
  54                 @abstract
  55                 """
  56                 raise NotImplementedError("Abstract function called")
  57
  58         @misc_utils.log_exception(_moduleLogger)
  59         def GetAvatarRequirements(self):
  60                 mime_types = ("image/png", )
  61                 return (mime_types, 32, 32, 64, 64, 500 * 1024)
  62
  63         @misc_utils.log_exception(_moduleLogger)
  64         def GetAvatarTokens(self, contacts):
  65                 result = {}
  66                 for handleid in contacts:
  67                         imageName = self._select_avatar(handleid)
  68                         result[handleid] = imageName
  69                 return result
  70
  71         @misc_utils.log_exception(_moduleLogger)
  72         def GetKnownAvatarTokens(self, contacts):
  73                 result = {}
  74                 for handleid in contacts:
  75                         imageName = self._select_avatar(handleid)
  76                         result[handleid] = imageName
  77                 return result
  78
  79         @misc_utils.log_exception(_moduleLogger)
  80         def RequestAvatar(self, contact):
  81                 imageName = self._select_avatar(contact)
  82                 image = self._get_avatar(imageName)
  83                 return image, "image/png"
  84
  85         @misc_utils.log_exception(_moduleLogger)
  86         def RequestAvatars(self, contacts):
  87                 for handleid in contacts:
  88                         imageName = self._select_avatar(handleid)
  89                         image = self._get_avatar(imageName)
  90                         self.AvatarRetrieved(handleid, imageName, image, "image/png")
  91
  92         @misc_utils.log_exception(_moduleLogger)
  93         def SetAvatar(self, avatar, mime_type):
  94                 raise telepathy.errors.PermissionDenied
  95
  96         @misc_utils.log_exception(_moduleLogger)
  97         def ClearAvatar(self):
  98                 pass
  99
 100         def _select_avatar(self, handleId):
 101                 handle = self.get_handle_by_id(telepathy.HANDLE_TYPE_CONTACT, handleId)
 102
 103                 if handle == self.GetSelfHandle():
 104                         imageName = self.__SELF_AVATAR
 105                 else:
 106                         accountNumber = misc_utils.normalize_number(self.session.backend.get_account_number())
 107                         phoneType = self.session.addressbook.get_phone_type(handle.phoneNumber)
 108                         if handle.phoneNumber == accountNumber:
 109                                 imageName = self.__SELF_AVATAR
 110                         elif phoneType in ("mobile", ):
 111                                 imageName = self.__MOBILE_AVATAR
 112                         elif phoneType in ("home", "work"):
 113                                 imageName = self.__LANDLINE_AVATAR
 114                         else:
 115                                 imageName = self.__OTHER_AVATAR
 116
 117                 return imageName
 118
 119         def _get_avatar(self, imageName):
 120                 try:
 121                         return self._avatarCache[imageName]
 122                 except KeyError:
 123                         image = self._load_avatar(imageName)
 124                         self._avatarCache[imageName] = image
 125                         return image
 126
 127         def _load_avatar(self, imageName):
 128                 _moduleLogger.debug("Loading avatar %r from file" % (imageName, ))
 129                 try:
 130                         with open(os.sep.join([self.__LOOKUP_PATHS[0], imageName+".png"]), "rb") as f:
 131                                 return f.read()
 132                 except IOError:
 133                         with open(os.sep.join([self.__LOOKUP_PATHS[1], "32-"+imageName+".png"]), "rb") as f:
 134                                 return f.read()