#along with this program; if not, write to the Free Software
#Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-from base import BaseProxy
-
-from accessible import Accessible
-
-class Desktop(Accessible):
- """
- The desktop class implements the
- accessible interface, but uses a different
- method to access its chilren and to obtain cached
- data.
-
- This is because application caches are separate
- and the children of the desktop are applications.
- The child access must get the root accessible
- of the application cache that is accessed.
-
- The data is accessed from the desktop cache.
- """
-
- @property
- def _data(self):
- try:
- data = self._cache._objects[self._path]
- except KeyError, ReferenceError:
- raise AccessibleObjectNoLongerExists, 'Cache data cannot be found for path %s' % (self._path,)
- return data
-
- def getApplication(self, *args, **kwargs):
- """
- Get the containing Application for this object.
- @return the Application instance to which this object belongs.
- """
- func = self.get_dbus_method("getApplication")
- return func(*args, **kwargs)
-
- def getAttributes(self, *args, **kwargs):
- """
- Get a list of properties applied to this object as a whole, as
- an AttributeSet consisting of name-value pairs. As such these
- attributes may be considered weakly-typed properties or annotations,
- as distinct from the strongly-typed interface instance data declared
- using the IDL "attribute" keyword.
- Not all objects have explicit "name-value pair" AttributeSet
- properties.
- Attribute names and values may have any UTF-8 string value, however
- where possible, in order to facilitate consistent use and exposure
- of "attribute" properties by applications and AT clients, attribute
- names and values should chosen from a publicly-specified namespace
- where appropriate.
- Where possible, the names and values in the name-value pairs
- should be chosen from well-established attribute namespaces using
- standard semantics. For example, attributes of Accessible objects
- corresponding to XHTML content elements should correspond to
- attribute names and values specified in the w3c XHTML specification,
- at http://www.w3.org/TR/xhtml2, where such values are not already
- exposed via a more strongly-typed aspect of the AT-SPI API. Metadata
- names and values should be chosen from the 'Dublin Core' Metadata
- namespace using Dublin Core semantics: http://dublincore.org/dcregistry/
- Similarly, relevant structural metadata should be exposed using
- attribute names and values chosen from the CSS2 and WICD specification:
- http://www.w3.org/TR/1998/REC-CSS2-19980512 WICD (http://www.w3.org/TR/2005/WD-WICD-20051121/).
- @return : an AttributeSet encapsulating any "attribute values"
- currently defined for the object.
- """
- func = self.get_dbus_method("getAttributes")
- return func(*args, **kwargs)
-
- def getChildAtIndex(self, *args, **kwargs):
- """
- Get the accessible child of this object at index.
- @param : index
- an in parameter indicating which child is requested (zero-indexed).
- @return : the 'nth' Accessible child of this object.
- """
- func = self.get_dbus_method("getChildAtIndex")
- return func(*args, **kwargs)
-
- def getIndexInParent(self, *args, **kwargs):
- """
- Get the index of this object in its parent's child list.
- @return : a long integer indicating this object's index in the
- parent's list.
- """
- func = self.get_dbus_method("getIndexInParent")
- return func(*args, **kwargs)
-
- def getLocalizedRoleName(self, *args, **kwargs):
- """
- Get a string indicating the type of UI role played by this object,
- translated to the current locale.
- @return : a UTF-8 string indicating the type of UI role played
- by this object.
- """
- func = self.get_dbus_method("getLocalizedRoleName")
- return func(*args, **kwargs)
-
- def getRelationSet(self, *args, **kwargs):
- """
- Get a set defining this object's relationship to other accessible
- objects.
- @return : a RelationSet defining this object's relationships.
- """
- func = self.get_dbus_method("getRelationSet")
- return func(*args, **kwargs)
-
- def getRole(self, *args, **kwargs):
- """
- Get the Role indicating the type of UI role played by this object.
- @return : a Role indicating the type of UI role played by this
- object.
- """
- func = self.get_dbus_method("getRole")
- return func(*args, **kwargs)
-
- def getRoleName(self, *args, **kwargs):
- """
- Get a string indicating the type of UI role played by this object.
- @return : a UTF-8 string indicating the type of UI role played
- by this object.
- """
- func = self.get_dbus_method("getRoleName")
- return func(*args, **kwargs)
-
- def getState(self, *args, **kwargs):
- """
- Get the current state of the object as a StateSet.
- @return : a StateSet encapsulating the currently true states
- of the object.
- """
- func = self.get_dbus_method("getState")
- return func(*args, **kwargs)
-
- def isEqual(self, *args, **kwargs):
- """
- Determine whether an Accessible refers to the same object as
- another. This method should be used rather than brute-force comparison
- of object references (i.e. "by-value" comparison), as two object
- references may have different apparent values yet refer to the
- same object.
- @param : obj
- an Accessible object reference to compare to
- @return : a boolean indicating whether the two object references
- point to the same object.
- """
- func = self.get_dbus_method("isEqual")
- return func(*args, **kwargs)
-
- def unimplemented(self, *args, **kwargs):
- """
- /cond future expansion
- """
- func = self.get_dbus_method("unimplemented")
- return func(*args, **kwargs)
-
- def get_childCount(self):
- self._pgetter(self._dbus_interface, "childCount")
- def set_childCount(self, value):
- self._psetter(self._dbus_interface, "childCount", value)
- _childCountDoc = \
- """
- childCount: the number of children contained by this object.
- """
- childCount = property(fget=get_childCount, fset=set_childCount, doc=_childCountDoc)
-
- def get_description(self):
- self._pgetter(self._dbus_interface, "description")
- def set_description(self, value):
- self._psetter(self._dbus_interface, "description", value)
- _descriptionDoc = \
- """
- a string describing the object in more detail than name.
- """
- description = property(fget=get_description, fset=set_description, doc=_descriptionDoc)
-
- def get_name(self):
- self._pgetter(self._dbus_interface, "name")
- def set_name(self, value):
- self._psetter(self._dbus_interface, "name", value)
- _nameDoc = \
+from interfaces import *
+from base import BaseProxyMeta
+from accessible import BoundingBox
+from state import StateSet
+
+from role import ROLE_UNKNOWN
+from component import LAYER_WIDGET
+
+__all__ = [
+ "Desktop",
+ ]
+
+#------------------------------------------------------------------------------
+
+class DesktopComponent(object):
"""
- a (short) string representing the object's name.
+ The Component interface is implemented by objects which occupy
+ on-screen space, e.g. objects which have onscreen visual representations.
+ The methods in Component allow clients to identify where the
+ objects lie in the onscreen coordinate system, their relative
+ size, stacking order, and position. It also provides a mechanism
+ whereby keyboard focus may be transferred to specific user interface
+ elements programmatically. This is a 2D API, coordinates of 3D
+ objects are projected into the 2-dimensional screen view for
+ purposes of this interface.
"""
- name = property(fget=get_name, fset=set_name, doc=_nameDoc)
-
- def get_parent(self):
- self._pgetter(self._dbus_interface, "parent")
- def set_parent(self, value):
- self._psetter(self._dbus_interface, "parent", value)
- _parentDoc = \
+
+ def contains(self, *args, **kwargs):
+ """
+ @return True if the specified point lies within the Component's
+ bounding box, False otherwise.
+ """
+ return False
+
+ def deregisterFocusHandler(self, *args, **kwargs):
+ """
+ Request that an EventListener registered via registerFocusHandler
+ no longer be notified when this object receives keyboard focus.
+ """
+ pass
+
+ def getAccessibleAtPoint(self, *args, **kwargs):
+ """
+ @return the Accessible child whose bounding box contains the
+ specified point.
+ """
+ return None
+
+ def getAlpha(self, *args, **kwargs):
+ """
+ Obtain the alpha value of the component. An alpha value of 1.0
+ or greater indicates that the object is fully opaque, and an
+ alpha value of 0.0 indicates that the object is fully transparent.
+ Negative alpha values have no defined meaning at this time.
+ """
+ return 1.0
+
+ def getExtents(self, coord_type):
+ """
+ Obtain the Component's bounding box, in pixels, relative to the
+ specified coordinate system.
+ @param coord_type
+ @return a BoundingBox which entirely contains the object's onscreen
+ visual representation.
+ """
+ #TODO This needs to return the window size
+ return BoundingBox(*(0,0,1024,768))
+
+ def getLayer(self, *args, **kwargs):
+ """
+ @return the ComponentLayer in which this object resides.
+ """
+ return LAYER_WIDGET
+
+ def getMDIZOrder(self):
+ """
+ Obtain the relative stacking order (i.e. 'Z' order) of an object.
+ Larger values indicate that an object is on "top" of the stack,
+ therefore objects with smaller MDIZOrder may be obscured by objects
+ with a larger MDIZOrder, but not vice-versa.
+ @return an integer indicating the object's place in the stacking
+ order.
+ """
+ return 0
+
+ def getPosition(self, coord_type):
+ """
+ Obtain the position of the current component in the coordinate
+ system specified by coord_type.
+ @param : coord_type
+ @param : x
+ an out parameter which will be back-filled with the returned
+ x coordinate.
+ @param : y
+ an out parameter which will be back-filled with the returned
+ y coordinate.
+ """
+ return (0,0)
+
+ def getSize(self, *args, **kwargs):
+ """
+ Obtain the size, in the coordinate system specified by coord_type,
+ of the rectangular area which fully contains the object's visual
+ representation, without accounting for viewport clipping.
+ @param : width
+ the object's horizontal extents in the specified coordinate system.
+ @param : height
+ the object's vertical extents in the specified coordinate system.
+ """
+ #TODO Need to return window size
+ return (1024, 768)
+
+ def grabFocus(self, *args, **kwargs):
+ """
+ Request that the object obtain keyboard focus.
+ @return True if keyboard focus was successfully transferred to
+ the Component.
+ """
+ return False
+
+ def registerFocusHandler(self, *args, **kwargs):
+ """
+ Register an EventListener for notification when this object receives
+ keyboard focus.
+ """
+ pass
+
+#------------------------------------------------------------------------------
+
+class Desktop(object):
"""
- an Accessible object which is this object's containing object.
+ The base interface which is implemented by all accessible objects.
+ All objects support interfaces for querying their contained
+ 'children' and position in the accessible-object hierarchy,
+ whether or not they actually have children.
"""
- parent = property(fget=get_parent, fset=set_parent, doc=_parentDoc)
+
+ __metaclass__ = BaseProxyMeta
+
+ def __init__(self, cache):
+ """
+ Creates a desktop object. There should be one single desktop
+ object for the Registry object.
+
+ @param cache - The application cache.
+ @kwarf application - The application D-Bus name
+
+ If the application name is provided the Desktop is being used for
+ test and will only report the application provided as its single child.
+ """
+ self._appcache = cache
+ self._app_name = ':'
+ self._acc_path = '/'
+
+ def __str__(self):
+ try:
+ return '[%s | %s]' % (self.getRoleName(), self.name)
+ except Exception:
+ return '[DEAD]'
+
+ def __nonzero__(self):
+ return True
+
+ def __len__(self):
+ return self.getChildCount()
+
+ def __getitem__(self, index):
+ # IndexError thrown by getChildAtIndex
+ return self.getChildAtIndex(index)
+
+ def __eq__(self, other):
+ if other is None:
+ return False
+
+ if self._app_name == other._app_name and \
+ self._acc_path == other._acc_path:
+ return True
+ else:
+ return False
+
+ def __ne__(self, other):
+ return not self.__eq__(other)
+
+ def getApplication(self):
+ """
+ Get the containing Application for this object.
+ @return the Application instance to which this object belongs.
+ """
+ return None
+
+ def getAttributes(self):
+ """
+ Get a list of properties applied to this object as a whole, as
+ an AttributeSet consisting of name-value pairs. As such these
+ attributes may be considered weakly-typed properties or annotations,
+ as distinct from the strongly-typed interface instance data declared
+ using the IDL "attribute" keyword.
+ Not all objects have explicit "name-value pair" AttributeSet
+ properties.
+ Attribute names and values may have any UTF-8 string value, however
+ where possible, in order to facilitate consistent use and exposure
+ of "attribute" properties by applications and AT clients, attribute
+ names and values should chosen from a publicly-specified namespace
+ where appropriate.
+ Where possible, the names and values in the name-value pairs
+ should be chosen from well-established attribute namespaces using
+ standard semantics. For example, attributes of Accessible objects
+ corresponding to XHTML content elements should correspond to
+ attribute names and values specified in the w3c XHTML specification,
+ at http://www.w3.org/TR/xhtml2, where such values are not already
+ exposed via a more strongly-typed aspect of the AT-SPI API. Metadata
+ names and values should be chosen from the 'Dublin Core' Metadata
+ namespace using Dublin Core semantics: http://dublincore.org/dcregistry/
+ Similarly, relevant structural metadata should be exposed using
+ attribute names and values chosen from the CSS2 and WICD specification:
+ http://www.w3.org/TR/1998/REC-CSS2-19980512 WICD (http://www.w3.org/TR/2005/WD-WICD-20051121/).
+
+ @return : An AttributeSet encapsulating any "attribute values"
+ currently defined for the object. An attribute set is a list of strings
+ with each string comprising an name-value pair format 'name:value'.
+ """
+ return []
+
+ def getChildAtIndex(self, index):
+ """
+ Get the accessible child of this object at index.
+ @param : index
+ an in parameter indicating which child is requested (zero-indexed).
+ @return : the 'nth' Accessible child of this object.
+ """
+ return self._appcache.create_application(self._appcache.application_list[index])
+
+ def getIndexInParent(self):
+ """
+ Get the index of this object in its parent's child list.
+ @return : a long integer indicating this object's index in the
+ parent's list.
+ """
+ return -1
+
+ def getLocalizedRoleName(self):
+ """
+ Get a string indicating the type of UI role played by this object,
+ translated to the current locale.
+ @return : a UTF-8 string indicating the type of UI role played
+ by this object.
+ """
+ #TODO Need to localize this somehow. Hmmmmm
+ return 'unknown'
+
+ def getRelationSet(self):
+ """
+ Get a set defining this object's relationship to other accessible
+ objects.
+ @return : a RelationSet defining this object's relationships.
+ """
+ return []
+
+ def getRole(self):
+ """
+ Get the Role indicating the type of UI role played by this object.
+ @return : a Role indicating the type of UI role played by this
+ object.
+ """
+ return ROLE_UNKNOWN
+
+ def getRoleName(self):
+ """
+ Get a string indicating the type of UI role played by this object.
+ @return : a UTF-8 string indicating the type of UI role played
+ by this object.
+ """
+ return 'unknown'
+
+ def getState(self):
+ """
+ Get the current state of the object as a StateSet.
+ @return : a StateSet encapsulating the currently true states
+ of the object.
+ """
+ return StateSet()
+
+ def isEqual(self, accessible):
+ """
+ Determine whether an Accessible refers to the same object as
+ another. This method should be used rather than brute-force comparison
+ of object references (i.e. "by-value" comparison), as two object
+ references may have different apparent values yet refer to the
+ same object.
+ @param : obj
+ an Accessible object reference to compare to
+ @return : a boolean indicating whether the two object references
+ point to the same object.
+ """
+ #TODO Fix this method
+ return self == accessible
+
+ def get_childCount(self):
+ return len(self._appcache.application_list)
+ _childCountDoc = \
+ """
+ childCount: the number of children contained by this object.
+ """
+ childCount = property(fget=get_childCount, doc=_childCountDoc)
+
+ getChildCount = get_childCount
+
+ def get_description(self):
+ return ''
+ _descriptionDoc = \
+ """
+ a string describing the object in more detail than name.
+ """
+ description = property(fget=get_description, doc=_descriptionDoc)
+
+ def get_name(self):
+ return 'main'
+ _nameDoc = \
+ """
+ a (short) string representing the object's name.
+ """
+ name = property(fget=get_name, doc=_nameDoc)
+
+ def get_parent(self):
+ return None
+ _parentDoc = \
+ """
+ An Accessible object which is this object's containing object.
+ """
+ parent = property(fget=get_parent, doc=_parentDoc)
+
+ @property
+ def interfaces(self):
+ return [ATSPI_ACCESSIBLE, ATSPI_COMPONENT]
+
+ def queryInterface(self, interface):
+ """
+ Gets a different accessible interface for this object
+ or raises a NotImplemented error if the given interface
+ is not supported.
+ """
+ if interface == ATSPI_ACCESSIBLE:
+ return self
+ elif interface == ATSPI_COMPONENT:
+ return DesktopComponent()
+ else:
+ raise NotImplementedError(
+ "%s not supported by accessible object at path %s"
+ % (interface, self._acc_path))
+
+#END----------------------------------------------------------------------------
projects / platform / core / uifw / at-spi2-atk.git / blobdiff