def nodeLevel(self, obj):
""" Determines the level of at which this object is at by using
the object attribute 'level'. To be consistent with the default
nodeLevel() this value is 0-based (Gecko return is 1-based) """
if obj is None or obj.getRole() == pyatspi.ROLE_HEADING \
or (obj.parent and obj.parent.getRole() == pyatspi.ROLE_MENU):
return -1
try:
state = obj.getState()
except:
return -1
else:
if state.contains(pyatspi.STATE_DEFUNCT):
# Yelp (or perhaps the work-in-progress a11y patch)
# seems to be guilty of this.
#
#print "nodeLevel - obj is defunct", obj
debug.println(debug.LEVEL_WARNING,
"nodeLevel - obj is defunct")
debug.printStack(debug.LEVEL_WARNING)
return -1
try:
attrs = obj.getAttributes()
except:
attrs = None
if attrs is None:
return -1
for attr in attrs:
if attr.startswith("level:"):
return int(attr[6:]) - 1
return -1
def getObjectsFromEOCs(self, obj, offset=None, boundary=None):
"""Expands the current object replacing EMBEDDED_OBJECT_CHARACTERS
with [obj, startOffset, endOffset, string] tuples.
Arguments
- obj: the object whose EOCs we need to expand into tuples
- offset: the character offset after which
- boundary: the pyatspi text boundary type
Returns a list of object tuples.
"""
if not obj:
return []
elif boundary and obj.getRole() == pyatspi.ROLE_TABLE:
if obj[0] and obj[0].getRole() in [pyatspi.ROLE_CAPTION,
pyatspi.ROLE_LIST]:
obj = obj[0]
else:
obj = obj.queryTable().getAccessibleAt(0, 0)
if not obj:
debug.printStack(debug.LEVEL_WARNING)
return []
objects = []
text = self.queryNonEmptyText(obj)
if text:
if offset == None:
offset = max(0, text.caretOffset)
if boundary:
[string, start, end] = self._getTextAtOffset(obj, offset, boundary)
if end == -1:
end = text.characterCount
else:
start = offset
end = text.characterCount
string = text.getText(start, end)
else:
string = ""
start = 0
end = 1
unicodeText = string
objects.append([obj, start, end, unicodeText])
pattern = re.compile(self._script.EMBEDDED_OBJECT_CHARACTER)
matches = re.finditer(pattern, unicodeText)
offset = 0
for m in matches:
# Adjust the last object's endOffset to the last character
# before the EOC.
#
childOffset = m.start(0) + start
lastObj = objects[-1]
lastObj[2] = childOffset
if lastObj[1] == lastObj[2]:
# A zero-length object is an indication of something
# whose sole contents was an EOC. Delete it from the
# list.
#
objects.pop()
else:
# Adjust the string to reflect just this segment.
#
lastObj[3] = unicodeText[offset:m.start(0)]
offset = m.start(0) + 1
# Recursively tack on the child's objects.
#
childIndex = self._script.getChildIndex(obj, childOffset)
child = obj[childIndex]
objects.extend(self.getObjectsFromEOCs(child, 0, boundary))
# Tack on the remainder of the original object, if any.
#
if end > childOffset + 1:
restOfText = unicodeText[offset:len(unicodeText)]
objects.append([obj, childOffset + 1, end, restOfText])
if obj.getRole() in [pyatspi.ROLE_IMAGE, pyatspi.ROLE_TABLE]:
# Imagemaps that don't have alternative text won't implement
# the text interface, but they will have children (essentially
# EOCs) that we need to get. The same is true for tables.
#
toAdd = []
for child in obj:
toAdd.extend(self.getObjectsFromEOCs(child, 0, boundary))
if len(toAdd):
if self.isSameObject(objects[-1][0], obj):
objects.pop()
objects.extend(toAdd)
return objects
