git.maemo.org Git - wifi-assistant/blob - package/src/wifi_assistant/settings/network_settings.py

   1 import gnome.gconf as gconf
   2 import gtk, gobject
   3
   4 from wifi_assistant.settings.network_setting import NetworkSetting
   5
   6
   7 class NetworkSettings(object):
   8     '''
   9     Reads and Writes NetworkSettings from/to GConf.
  10     '''
  11
  12     __DEFAULT_SETTINGS = 'default_settings'
  13
  14     def __init__(self, gconf_client, root_path):
  15         self._gc = gconf_client
  16         self._root_path = root_path
  17
  18
  19     def delete(self, network_setting):
  20         key = self._assembleRootKeyForSsid(network_setting.getNetworkName())
  21         self._recursive_unset(key)
  22
  23
  24     def getDefaultSettings(self):
  25         settings = self.get(self.__DEFAULT_SETTINGS)
  26         if settings is None:
  27             settings = NetworkSetting()
  28             settings.setNetworkName(self.__DEFAULT_SETTINGS)
  29             settings.setLaunchingOfBrowserEnabled(True)
  30             settings.setBrowserOptions({'url':'http://wifi-assistant.garage.maemo.org/'})
  31             self.save(settings)
  32         return settings
  33
  34
  35     def getListStore(self):
  36         """Returns a ListStore with one Row per Network Setting"""
  37
  38         store = gtk.ListStore(str, gobject.TYPE_BOOLEAN)
  39         settings = self._getAllNetworkSettings()
  40         for setting in settings:
  41             store.append([setting.getNetworkName(), setting.getLaunchingOfBrowserEnabled()])
  42         return store
  43
  44
  45     def get(self, ssid):
  46         key = self._assembleRootKeyForSsid(ssid)
  47         if self._gc.dir_exists(key):
  48             return NetworkSetting(self._loadValuesFromGConf(key))
  49         print "WARNING: No settings to return for network name", ssid
  50         return None
  51
  52
  53     def save(self, network_setting):
  54         self._saveValuesToGConf(network_setting)
  55
  56
  57     def _assembleRootKeyForSsid(self, ssid):
  58         safe = self._replaceForbiddenCharacters(ssid)
  59         return self._root_path + '/' + safe
  60
  61
  62     def _getAllNetworkSettings(self):
  63         dirs = self._gc.all_dirs(self._root_path)
  64         settings = []
  65         key_offset = len(self._root_path) + 1
  66         for dir in dirs:
  67             key = dir[key_offset:]
  68             if self.__DEFAULT_SETTINGS != key:
  69                 settings.append(self.get(key))
  70         return settings
  71
  72
  73     def _loadValuesFromGConf(self, path):
  74         """Loads all values under a given path in gconf recursively into a dict"""
  75
  76         values = {}
  77         path_length = len(path) + 1 # remove trailing / too
  78
  79         dirs = self._gc.all_dirs(path)
  80         for sub_dir_path in dirs:
  81             key = sub_dir_path[path_length:]
  82             values[key] = self._loadValuesFromGConf(sub_dir_path)
  83
  84         entries = self._gc.all_entries(path)
  85         for entry in entries:
  86             full_key = entry.get_key()
  87             key = full_key[path_length:]
  88             gvalue = entry.get_value()
  89             if gvalue.type == gconf.VALUE_BOOL:
  90                 values[key] = gvalue.get_bool()
  91             elif gvalue.type == gconf.VALUE_STRING:
  92                 values[key] = gvalue.get_string()
  93             else:
  94                 print 'ga'
  95
  96         return values
  97
  98
  99     def _recursive_unset(self, dir):
 100         # there's no recursive_unset available in gconf so we'll have to do it ourselves
 101         all_entries = self._gc.all_entries(dir)
 102         for entry in all_entries:
 103             self._gc.unset(entry.get_key())
 104         for sub_dir in self._gc.all_dirs(dir):
 105             self._recursive_unset(sub_dir)
 106         self._gc.suggest_sync()
 107
 108
 109     def _replaceForbiddenCharacters(self, str):
 110         allowed = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789-_'
 111         result = ''
 112         for c in str:
 113             if c in allowed:
 114                 result = result + c
 115             else:
 116                 result = result + '__'
 117         return result
 118
 119
 120     def _saveValuesToGConf(self, network_setting):
 121         """Saves all values "recursively" from NetworkSetting"""
 122
 123         network_name = network_setting.getNetworkName()
 124         key = self._assembleRootKeyForSsid(network_name)
 125         browser = network_setting.getNameOfBrowserToLaunch()
 126         launch = network_setting.getLaunchingOfBrowserEnabled()
 127         options = network_setting.getBrowserOptions()
 128
 129         self._gc.set_string(key + "/name", network_name)
 130         self._gc.set_string(key + '/browser', browser)
 131         self._gc.set_bool(key + '/launch', launch)
 132         for option_key in options:
 133             self._gc.set_string(key + "/options/" + option_key, options[option_key])
 134