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# Orca
#
# Copyright 2005-2009 Sun Microsystems Inc.
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Library General Public
# License as published by the Free Software Foundation; either
# version 2 of the License, or (at your option) any later version.
#
# This library 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
# Library General Public License for more details.
#
# You should have received a copy of the GNU Library General Public
# License along with this library; if not, write to the
# Free Software Foundation, Inc., Franklin Street, Fifth Floor,
# Boston MA 02110-1301 USA.
"""Custom script for Ekiga."""
__id__ = "$Id$"
__version__ = "$Revision$"
__date__ = "$Date$"
__copyright__ = "Copyright (c) 2005-2009 Sun Microsystems Inc."
__license__ = "LGPL"
import pyatspi
import orca.braille as braille
import orca.default as default
import orca.orca as orca
import orca.orca_state as orca_state
import orca.speech as speech
########################################################################
# #
# The Ekiga script class. #
# #
########################################################################
class Script(default.Script):
def __init__(self, app):
"""Creates a new script for the given application.
Arguments:
- app: the application to create a script for.
"""
default.Script.__init__(self, app)
def isChatRoomMsg(self, obj):
"""Returns True if the given accessible is the text object for
associated with a chat room conversation.
Arguments:
- obj: the accessible object to examine.
"""
if obj and obj.getRole() == pyatspi.ROLE_TEXT \
and obj.parent.getRole() == pyatspi.ROLE_SCROLL_PANE:
state = obj.getState()
if not state.contains(pyatspi.STATE_EDITABLE) \
and state.contains(pyatspi.STATE_MULTI_LINE):
return True
return False
def onActiveDescendantChanged(self, event):
"""Called when an object who manages its own descendants detects a
change in one of its children.
Arguments:
- event: the Event
"""
# The tree table on the left side of Ekiga's Preferences dialog
# has STATE_FOCUSABLE, but not STATE_FOCUSED. The default script
# will ignore these events as a result. See bug 574221.
#
window = self.getTopLevel(event.source)
if not window or window.getRole() != pyatspi.ROLE_DIALOG:
return default.Script.onActiveDescendantChanged(self, event)
# There can be cases when the object that fires an
# active-descendant-changed event has no children. In this case,
# use the object that fired the event, otherwise, use the child.
#
child = event.any_data
if child:
speech.stop()
orca.setLocusOfFocus(event, child)
else:
orca.setLocusOfFocus(event, event.source)
# We'll tuck away the activeDescendant information for future
# reference since the AT-SPI gives us little help in finding
# this.
#
if orca_state.locusOfFocus \
and (orca_state.locusOfFocus != event.source):
self.pointOfReference['activeDescendantInfo'] = \
[orca_state.locusOfFocus.parent,
orca_state.locusOfFocus.getIndexInParent()]
def onFocus(self, event):
"""Called whenever an object gets focus.
Arguments:
- event: the Event
"""
# Selecting items in Ekiga's Preferences dialog causes objects
# of ROLE_PAGE_TAB to issue focus: events. These page tabs are
# not showing or visible, but they claim to be both. As a result
# Orca attempts to present them. Because these page tabs lack a
# name as well as STATE_SENSTIVE, this causes us to present
# "page grayed." We just want to ignore this creative use of a
# Gtk+ widget. See bug 574221.
#
if event.source.getRole() == pyatspi.ROLE_PAGE_TAB \
and not event.source.getState().contains(pyatspi.STATE_SENSITIVE) \
and not event.source.name:
return
default.Script.onFocus(self, event)
def onTextInserted(self, event):
"""Called whenever text is inserted into one of Ekiga's text objects.
Overridden here so that we can present new messages to the user.
Arguments:
- event: the Event
"""
if self.isChatRoomMsg(event.source):
speech.speak(event.any_data)
braille.displayMessage(event.any_data)
return
default.Script.onTextInserted(self, event)
def onValueChanged(self, event):
"""Called whenever an object's value changes. Overridden here because
new chat windows are not issuing text-inserted events for the chat
history until we "tickle" the hierarchy. However, we do seem to get
object:property-change:accessible-value events on the split pane. So
we'll use that as our trigger to do the tickling.
Arguments:
- event: the Event
"""
if event.source.getRole() == pyatspi.ROLE_SPLIT_PANE:
textObjects = self.findByRole(event.source, pyatspi.ROLE_TEXT)
return
default.Script.onValueChanged(self, event)
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