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# Copyright (C) 2006-2007 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
"""D-bus service providing access to the shell's functionality"""
import dbus
from model import bundleregistry
_DBUS_SERVICE = "org.laptop.Shell"
_DBUS_ACTIVITY_REGISTRY_IFACE = "org.laptop.Shell.ActivityRegistry"
_DBUS_SHELL_IFACE = "org.laptop.Shell"
_DBUS_OWNER_IFACE = "org.laptop.Shell.Owner"
_DBUS_PATH = "/org/laptop/Shell"
class ShellService(dbus.service.Object):
"""Provides d-bus service to script the shell's operations
Uses a shell_model object to observe events such as changes to:
* nickname
* colour
* icon
* currently active activity
and pass the event off to the methods in the dbus signature.
Key method here at the moment is add_bundle, which is used to
do a run-time registration of a bundle using it's application path.
XXX At the moment the d-bus service methods do not appear to do
anything other than add_bundle
"""
def __init__(self, shell):
self._shell = shell
self._shell_model = shell.get_model()
self._owner = self._shell_model.get_owner()
self._owner.connect('nick-changed', self._owner_nick_changed_cb)
self._owner.connect('icon-changed', self._owner_icon_changed_cb)
self._owner.connect('color-changed', self._owner_color_changed_cb)
self._home_model = self._shell_model.get_home()
self._home_model.connect('active-activity-changed',
self._cur_activity_changed_cb)
self._shell_model.connect('notify::zoom-level',
self._shell_model_notify_zoom_level_cb)
bus = dbus.SessionBus()
bus_name = dbus.service.BusName(_DBUS_SERVICE, bus=bus)
dbus.service.Object.__init__(self, bus_name, _DBUS_PATH)
@dbus.service.method(_DBUS_SHELL_IFACE,
in_signature="ss", out_signature="")
def NotifyLaunch(self, bundle_id, activity_id):
self._shell.notify_launch(bundle_id, activity_id)
@dbus.service.method(_DBUS_SHELL_IFACE,
in_signature="s", out_signature="")
def NotifyLaunchFailure(self, activity_id):
self._shell.notify_launch_failure(activity_id)
@dbus.service.method(_DBUS_ACTIVITY_REGISTRY_IFACE,
in_signature="s", out_signature="b")
def AddBundle(self, bundle_path):
"""Register the activity bundle with the global registry
bundle_path -- path to the activity bundle's root directory,
that is, the directory with activity/activity.info as a
child of the directory.
The bundleregistry.BundleRegistry is responsible for setting
up a set of d-bus service mappings for each available activity.
"""
registry = bundleregistry.get_registry()
return registry.add_bundle(bundle_path)
@dbus.service.method(_DBUS_ACTIVITY_REGISTRY_IFACE,
in_signature="s", out_signature="a{sv}")
def GetActivity(self, service_name):
registry = bundleregistry.get_registry()
bundle = registry.get_bundle(service_name)
if not bundle:
return {}
return self._bundle_to_dict(bundle)
@dbus.service.method(_DBUS_ACTIVITY_REGISTRY_IFACE,
in_signature="s", out_signature="aa{sv}")
def FindActivity(self, name):
result = []
key = name.lower()
for bundle in bundleregistry.get_registry():
name = bundle.get_name().lower()
service_name = bundle.get_service_name().lower()
if name.find(key) != -1 or service_name.find(key) != -1:
result.append(self._bundle_to_dict(bundle))
return result
@dbus.service.method(_DBUS_ACTIVITY_REGISTRY_IFACE,
in_signature="s", out_signature="aa{sv}")
def GetActivitiesForType(self, mime_type):
result = []
for bundle in bundleregistry.get_registry():
if bundle.get_mime_types() and mime_type in bundle.get_mime_types():
result.append(self._bundle_to_dict(bundle))
return result
@dbus.service.signal(_DBUS_OWNER_IFACE, signature="s")
def ColorChanged(self, color):
pass
def _owner_color_changed_cb(self, new_color):
self.ColorChanged(new_color.to_string())
@dbus.service.signal(_DBUS_OWNER_IFACE, signature="s")
def NickChanged(self, nick):
pass
def _owner_nick_changed_cb(self, new_nick):
self.NickChanged(new_nick)
@dbus.service.signal(_DBUS_OWNER_IFACE, signature="ay")
def IconChanged(self, icon_data):
pass
def _owner_icon_changed_cb(self, new_icon):
self.IconChanged(dbus.ByteArray(new_icon))
@dbus.service.signal(_DBUS_OWNER_IFACE, signature="s")
def CurrentActivityChanged(self, activity_id):
pass
@dbus.service.signal(_DBUS_SHELL_IFACE, signature="i")
def ZoomLevelChanged(self, new_level):
pass
def _cur_activity_changed_cb(self, owner, new_activity):
new_id = ""
if new_activity:
new_id = new_activity.get_activity_id()
if new_id:
self.CurrentActivityChanged(new_id)
def _shell_model_notify_zoom_level_cb(self, shell_model, pspec):
self.ZoomLevelChanged(shell_model.props.zoom_level)
def _bundle_to_dict(self, bundle):
return {'name': bundle.get_name(),
'icon': bundle.get_icon(),
'service_name': bundle.get_service_name(),
'path': bundle.get_path()}
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