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# Copyright (C) 2006, Red Hat, Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
import logging
import gobject
import dbus
import dbus.service
from sugar import env
from sugar import util
from clipboardobject import ClipboardObject, Format
NAME_KEY = 'NAME'
PERCENT_KEY = 'PERCENT'
ICON_KEY = 'ICON'
PREVIEW_KEY = 'PREVIEW'
FORMATS_KEY = 'FORMATS'
class ClipboardDBusServiceHelper(dbus.service.Object):
_CLIPBOARD_DBUS_INTERFACE = "org.laptop.Clipboard"
_CLIPBOARD_OBJECT_PATH = "/org/laptop/Clipboard"
def __init__(self, parent):
self._parent = parent
self._objects = {}
bus = dbus.SessionBus()
bus_name = dbus.service.BusName(self._CLIPBOARD_DBUS_INTERFACE, bus=bus)
dbus.service.Object.__init__(self, bus_name, self._CLIPBOARD_OBJECT_PATH)
# dbus methods
@dbus.service.method(_CLIPBOARD_DBUS_INTERFACE,
in_signature="ss", out_signature="")
def add_object(self, object_id, name):
self._objects[object_id] = ClipboardObject(object_id, name)
self.object_added(object_id, name)
logging.debug('Added object ' + object_id + ' with name ' + name)
@dbus.service.method(_CLIPBOARD_DBUS_INTERFACE,
in_signature="ssayb", out_signature="", byte_arrays=True)
def add_object_format(self, object_id, format_type, data, on_disk):
cb_object = self._objects[object_id]
cb_object.add_format(Format(format_type, data, on_disk))
if on_disk:
logging.debug('Added format of type ' + format_type + ' with path at ' + data)
else:
logging.debug('Added in-memory format of type ' + format_type + '.')
self.object_state_changed(object_id, {NAME_KEY: cb_object.get_name(),
PERCENT_KEY: cb_object.get_percent(),
ICON_KEY: cb_object.get_icon(),
PREVIEW_KEY: cb_object.get_preview()})
@dbus.service.method(_CLIPBOARD_DBUS_INTERFACE,
in_signature="s", out_signature="")
def delete_object(self, object_id):
del self._objects[object_id]
self.object_deleted(object_id)
logging.debug('Deleted object with object_id ' + object_id)
@dbus.service.method(_CLIPBOARD_DBUS_INTERFACE,
in_signature="si", out_signature="")
def set_object_percent(self, object_id, percent):
cb_object = self._objects[object_id]
cb_object.set_percent(percent)
self.object_state_changed(object_id, {NAME_KEY: cb_object.get_name(),
PERCENT_KEY: percent,
ICON_KEY: cb_object.get_icon(),
PREVIEW_KEY: cb_object.get_preview()})
logging.debug('Changed object with object_id ' + object_id +
' with percent ' + str(percent))
@dbus.service.method(_CLIPBOARD_DBUS_INTERFACE,
in_signature="s", out_signature="a{sv}")
def get_object(self, object_id):
cb_object = self._objects[object_id]
formats = cb_object.get_formats()
format_types = []
for type, format in formats.iteritems():
format_types.append(type)
result_dict = {NAME_KEY: cb_object.get_name(),
PERCENT_KEY: cb_object.get_percent(),
ICON_KEY: cb_object.get_icon(),
PREVIEW_KEY: cb_object.get_preview(),
FORMATS_KEY: format_types}
return result_dict
@dbus.service.method(_CLIPBOARD_DBUS_INTERFACE,
in_signature="ss", out_signature="ay")
def get_object_data(self, object_id, format_type):
cb_object = self._objects[object_id]
formats = cb_object.get_formats()
return formats[format_type].get_data()
# dbus signals
@dbus.service.signal(_CLIPBOARD_DBUS_INTERFACE, signature="ss")
def object_added(self, object_id, name):
pass
@dbus.service.signal(_CLIPBOARD_DBUS_INTERFACE, signature="s")
def object_deleted(self, object_id):
pass
@dbus.service.signal(_CLIPBOARD_DBUS_INTERFACE, signature="sa{sv}")
def object_state_changed(self, object_id, values):
pass
class ClipboardService(object):
def __init__(self):
self._dbus_helper = ClipboardDBusServiceHelper(self)
def run(self):
loop = gobject.MainLoop()
try:
loop.run()
except KeyboardInterrupt:
print 'Ctrl+C pressed, exiting...'
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