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import weakref
import gobject
import ibus
class FactoryManager (ibus.Object):
__gsignals__ = {
'new-factories-added' : (
gobject.SIGNAL_RUN_FIRST,
gobject.TYPE_NONE,
(gobject.TYPE_PYOBJECT, )
)
}
def __init__ (self):
ibus.Object.__init__ (self)
self._factories = {}
self._ibusconn_factory_dict = {}
self._default_factory = None
self._sorted_factories = None
def register_factories (self, object_paths, ibusconn):
if ibusconn in self._factories:
raise ibus.IBusException ("this conn has registered factories!")
self._ibusconn_factory_dict[ibusconn] = []
for object_path in object_paths:
if object_path in self._factories:
raise ibus.IBusException (
"Factory [%s] has been registered!" % object_path)
factory = ibus.EngineFactory (ibusconn, object_path)
self._factories[object_path] = factory
self._ibusconn_factory_dict[ibusconn].append (object_path)
ibusconn.connect ("destroy", self._ibusconn_destroy_cb)
self.emit ("new-factories-added",
self._ibusconn_factory_dict[ibusconn][:])
def get_default_factory (self):
if self._default_factory == None:
factories = self._get_sorted_factories ()
if factories:
self._default_factory = factories[0]
return self._default_factory
def get_next_factory (self, factory):
factories = self._get_sorted_factories ()
i = factories.index (factory) + 1
if i >= len (factories):
i = 0
return factories[i]
def _get_sorted_factories (self, resort = False):
if not self._sorted_factories or resort:
factories = self._factories.values ()
factories.sort ()
self._sorted_factories = factories
return self._sorted_factories
def _ibusconn_destroy_cb (self, ibusconn):
assert ibusconn in self._ibusconn_factory_dict
for object_path in self._ibusconn_factory_dict[ibusconn]:
factory = self._factories[object_path]
if factory == self._default_factory:
self._default_factory = None
del self._factories[object_path]
del self._ibusconn_factory_dict[ibusconn]
self._sorted_factories = None
gobject.type_register (FactoryManager)
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