class Monitor(SignalManager):
def __init__(self, manager, editor):
SignalManager.__init__(self, editor)
self.__init_attributes(manager, editor)
self.connect(manager, "destroy", self.__destroy_cb)
self.connect(manager, "generate-uris", self.__generate_uris_cb)
self.connect(manager, "generate-data-for-treeview", self.__uris_cb)
self.connect(manager, "finished-enumerating-children", self.__enumerated_children_cb)
def __init_attributes(self, manager, editor):
self.__manager = manager
self.__editor = editor
self.__folder_uri = ""
self.__folder_monitor = None
self.__uris = []
self.__unique_id = ""
return
def __monitor(self, folder_uri):
if self.__folder_uri == folder_uri: return False
self.__disconnect()
self.__connect(folder_uri)
return False
def __connect(self, folder_uri):
self.__folder_uri = folder_uri
from gio import File, FILE_MONITOR_WATCH_MOUNTS
self.__folder_monitor = File(folder_uri).monitor_directory(FILE_MONITOR_WATCH_MOUNTS)
self.__sigid1 = self.__folder_monitor.connect("changed", self.__changed_cb)
return False
def __disconnect(self):
if not self.__folder_uri: return False
self.__folder_monitor.disconnect(self.__sigid1)
self.__folder_monitor.cancel()
self.__folder_monitor = None
return False
def __check(self):
from uuid import uuid1
self.__unique_id = str(uuid1())
from gobject import idle_add
idle_add(self.__manager.emit, "enumerate-children", (self.__folder_uri, self.__unique_id))
return False
def __compare(self, user_data):
fileinfos, folder_uri, unique_id = user_data
if unique_id != self.__unique_id: return False
if folder_uri != self.__folder_uri: return False
from gio import File
uris = sorted((File(folder_uri).resolve_relative_path(fileinfo.get_name()).get_uri()
for fileinfo in fileinfos))
if uris == self.__uris: return False
from gobject import idle_add
idle_add(self.__manager.emit, "generate-uris", folder_uri)
return False
def __remove_timer(self, _timer=1):
try:
timers = {
1: self.__timer1,
}
from gobject import source_remove
source_remove(timers[_timer])
except AttributeError:
pass
return False
def __changed_cb(self, folder_monitor, gfile, other_gfile, event_type):
from gio import FILE_MONITOR_EVENT_CREATED, FILE_MONITOR_EVENT_DELETED
if event_type not in (FILE_MONITOR_EVENT_CREATED, FILE_MONITOR_EVENT_DELETED): return False
self.__remove_timer(1)
from gobject import timeout_add, PRIORITY_LOW
self.__timer1 = timeout_add(2000, self.__check, priority=PRIORITY_LOW)
return False
def __generate_uris_cb(self, manager, folder_uri):
from gobject import idle_add
idle_add(self.__monitor, folder_uri)
return False
def __enumerated_children_cb(self, manager, user_data):
from gobject import idle_add, PRIORITY_LOW
idle_add(self.__compare, user_data, priority=PRIORITY_LOW)
return False
def __uris_cb(self, manager, user_data):
folder_uri, fileinfos, treeview_reference = user_data
from gio import File
self.__uris = sorted((File(folder_uri).resolve_relative_path(fileinfo.get_name()).get_uri()
for fileinfo in fileinfos))
return False
def __destroy_cb(self, *args):
self.__disconnect()
self.disconnect()
del self
return False
