106 lines
3.8 KiB
Python
106 lines
3.8 KiB
Python
import logging
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import dbus
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import gobject
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NAME_KEY = 'NAME'
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PERCENT_KEY = 'PERCENT'
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ICON_KEY = 'ICON'
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PREVIEW_KEY = 'PREVIEW'
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ACTIVITY_KEY = 'ACTIVITY'
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FORMATS_KEY = 'FORMATS'
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DBUS_SERVICE = "org.laptop.Clipboard"
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DBUS_INTERFACE = "org.laptop.Clipboard"
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DBUS_PATH = "/org/laptop/Clipboard"
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class ClipboardService(gobject.GObject):
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__gsignals__ = {
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'object-added': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
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([str, str])),
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'object-deleted': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
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([str])),
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'object-state-changed': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
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([str, str, int, str, str, str])),
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}
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def __init__(self):
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gobject.GObject.__init__(self)
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self._dbus_service = None
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bus = dbus.SessionBus()
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self._nameOwnerChangedHandler = bus.add_signal_receiver(
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self._name_owner_changed_cb,
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signal_name="NameOwnerChanged",
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dbus_interface="org.freedesktop.DBus",
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arg0=DBUS_SERVICE)
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self._connected = False
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# Try to register to ClipboardService, if we fail, we'll try later.
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try:
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self._connect_clipboard_signals()
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except dbus.DBusException, exception:
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logging.debug(exception)
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def _connect_clipboard_signals(self):
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bus = dbus.SessionBus()
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if not self._connected:
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proxy_obj = bus.get_object(DBUS_SERVICE, DBUS_PATH)
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self._dbus_service = dbus.Interface(proxy_obj, DBUS_SERVICE)
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self._dbus_service.connect_to_signal('object_added',
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self._object_added_cb)
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self._dbus_service.connect_to_signal('object_deleted',
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self._object_deleted_cb)
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self._dbus_service.connect_to_signal('object_state_changed',
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self._object_state_changed_cb)
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self._connected = True
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bus.remove_signal_receiver(self._nameOwnerChangedHandler)
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def _name_owner_changed_cb(self, name, old, new):
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if not old and new:
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# ClipboardService started up
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self._connect_clipboard_signals()
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def _object_added_cb(self, object_id, name):
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self.emit('object-added', str(object_id), name)
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def _object_deleted_cb(self, object_id):
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self.emit('object-deleted', str(object_id))
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def _object_state_changed_cb(self, object_id, values):
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self.emit('object-state-changed', str(object_id), values[NAME_KEY],
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values[PERCENT_KEY], values[ICON_KEY], values[PREVIEW_KEY],
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values[ACTIVITY_KEY])
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def add_object(self, name):
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return str(self._dbus_service.add_object(name))
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def add_object_format(self, object_id, formatType, data, on_disk):
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self._dbus_service.add_object_format(dbus.ObjectPath(object_id),
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formatType,
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data,
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on_disk)
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def delete_object(self, object_id):
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self._dbus_service.delete_object(dbus.ObjectPath(object_id))
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def set_object_percent(self, object_id, percent):
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self._dbus_service.set_object_percent(dbus.ObjectPath(object_id), percent)
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def get_object(self, object_id):
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return self._dbus_service.get_object(dbus.ObjectPath(object_id),)
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def get_object_data(self, object_id, formatType):
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return self._dbus_service.get_object_data(dbus.ObjectPath(object_id),
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formatType,
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byte_arrays=True)
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_clipboard_service = None
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def get_instance():
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global _clipboard_service
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if not _clipboard_service:
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_clipboard_service = ClipboardService()
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return _clipboard_service
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