#------------------------------------------------------------------------------
class _CacheData(object):
- __slots__ = [
- 'parent',
- 'interfaces',
- 'children',
- 'role',
- 'name',
- 'description',
- ]
-
- def __init__(self, data):
- self._update(data)
-
- def _update(self, data):
- #Don't cache the path here, used as lookup in cache object dict.
- (path,
- self.parent,
- self.children,
- self.interfaces,
- self.name,
- self.role,
- self.description) = data
+ __slots__ = [
+ 'parent',
+ 'interfaces',
+ 'children',
+ 'role',
+ 'name',
+ 'description',
+ ]
+
+ def __init__(self, data):
+ self._update(data)
+
+ def _update(self, data):
+ #Don't cache the path here, used as lookup in cache object dict.
+ (path,
+ self.parent,
+ self.children,
+ self.interfaces,
+ self.name,
+ self.role,
+ self.description) = data
#------------------------------------------------------------------------------
class AccessibleCache(object):
- """
- There is one accessible cache per application.
- For each application the accessible cache stores
- data on every accessible object within the app.
-
- It also acts as the factory for creating client
- side proxies for these accessible objects.
-
- connection - DBus connection.
- busName - Name of DBus connection where cache interface resides.
- """
-
- _PATH = '/org/freedesktop/atspi/tree'
- _INTERFACE = 'org.freedesktop.atspi.Tree'
- _GET_METHOD = 'getTree'
- _UPDATE_SIGNAL = 'updateTree'
-
- def __init__(self, registry, connection, bus_name):
- """
- Creates a cache.
-
- connection - DBus connection.
- busName - Name of DBus connection where cache interface resides.
- """
- self._registry = registry
- self._connection = connection
- self._bus_name = bus_name
-
- obj = connection.get_object(bus_name, self._PATH, introspect=False)
- itf = _dbus.Interface(obj, self._INTERFACE)
-
- self._objects = {}
-
- get_method = itf.get_dbus_method(self._GET_METHOD)
- self._update_objects(get_method())
-
- self._signalMatch = itf.connect_to_signal(self._UPDATE_SIGNAL, self._update_handler)
-
- obj = connection.get_object(self._bus_name, self._PATH, introspect=False)
- itf = _dbus.Interface(obj, self._INTERFACE)
-
- self._root = itf.getRoot()
-
- def __getitem__(self, key):
- return self._objects[key]
-
- def __contains__(self, key):
- return key in self._objects
-
- def _update_cache_dispatch_events(self, cachedata, data):
- (path,
- parent,
- children,
- interfaces,
- name,
- role,
- description) = data
-
- # TODO The 'self._registry._cache' statement makes me think
- # I have serious modularization FAIL here.
-
- if name != cachedata.name:
- event = _Event(self._registry._cache,
- path,
- self._bus_name,
- "org.freedesktop.atspi.Event.Object",
- "property-change",
- ("name", 0, 0, name))
- self._registry._notifyNameChange(event)
-
- if description != cachedata.description:
- event = _Event(self._registry._cache,
- path,
- self._bus_name,
- "org.freedesktop.atspi.Event.Object",
- "property-change",
- ("description", 0, 0, description))
- self._registry._notifyDescriptionChange(event)
-
- if parent != cachedata.parent:
- event = _Event(self._registry._cache,
- path,
- self._bus_name,
- "org.freedesktop.atspi.Event.Object",
- "property-change",
- ("parent", 0, 0, ""))
- self._registry._notifyParentChange(event)
-
- if children != cachedata.children:
- event = _Event(self._registry._cache,
- path,
- self._bus_name,
- "org.freedesktop.atspi.Event.Object",
- "children-changed",
- ("", 0, 0, ""))
- self._registry._notifyChildrenChange(event)
-
- cachedata._update(data)
-
- def _update_handler(self, update, remove):
- self._remove_objects(remove)
- self._update_objects(update)
-
- def _update_objects(self, objects):
- for data in objects:
- #First element is the object path.
- path = data[0]
- if path in self._objects:
- cachedata = self._objects[path]
- self._update_cache_dispatch_events(cachedata, data)
- else:
- self._objects[path] = _CacheData(data)
-
- def _remove_objects(self, paths):
- for path in paths:
- # TODO I'm squashing a possible error here
- # I've seen things appear to be deleted twice
- # which needs investigation
- try:
- del(self._objects[path])
- except KeyError:
- pass
-
- def _get_root(self):
- return self._root
-
- root = property(fget=_get_root)
+ """
+ There is one accessible cache per application.
+ For each application the accessible cache stores
+ data on every accessible object within the app.
+
+ It also acts as the factory for creating client
+ side proxies for these accessible objects.
+
+ connection - DBus connection.
+ busName - Name of DBus connection where cache interface resides.
+ """
+
+ _PATH = '/org/freedesktop/atspi/tree'
+ _INTERFACE = 'org.freedesktop.atspi.Tree'
+ _GET_METHOD = 'getTree'
+ _UPDATE_SIGNAL = 'updateTree'
+
+ def __init__(self, registry, connection, bus_name):
+ """
+ Creates a cache.
+
+ connection - DBus connection.
+ busName - Name of DBus connection where cache interface resides.
+ """
+ self._registry = registry
+ self._connection = connection
+ self._bus_name = bus_name
+
+ obj = connection.get_object(bus_name, self._PATH, introspect=False)
+ itf = _dbus.Interface(obj, self._INTERFACE)
+
+ self._objects = {}
+
+ get_method = itf.get_dbus_method(self._GET_METHOD)
+ self._update_objects(get_method())
+
+ self._signalMatch = itf.connect_to_signal(self._UPDATE_SIGNAL, self._update_handler)
+
+ obj = connection.get_object(self._bus_name, self._PATH, introspect=False)
+ itf = _dbus.Interface(obj, self._INTERFACE)
+
+ self._root = itf.getRoot()
+
+ def __getitem__(self, key):
+ return self._objects[key]
+
+ def __contains__(self, key):
+ return key in self._objects
+
+ def _update_cache_dispatch_events(self, cachedata, data):
+ (path,
+ parent,
+ children,
+ interfaces,
+ name,
+ role,
+ description) = data
+
+ # TODO The 'self._registry._cache' statement makes me think
+ # I have serious modularization FAIL here.
+
+ if name != cachedata.name:
+ event = _Event(self._registry._cache,
+ path,
+ self._bus_name,
+ "org.freedesktop.atspi.Event.Object",
+ "property-change",
+ ("name", 0, 0, name))
+ self._registry._notifyNameChange(event)
+
+ if description != cachedata.description:
+ event = _Event(self._registry._cache,
+ path,
+ self._bus_name,
+ "org.freedesktop.atspi.Event.Object",
+ "property-change",
+ ("description", 0, 0, description))
+ self._registry._notifyDescriptionChange(event)
+
+ if parent != cachedata.parent:
+ event = _Event(self._registry._cache,
+ path,
+ self._bus_name,
+ "org.freedesktop.atspi.Event.Object",
+ "property-change",
+ ("parent", 0, 0, ""))
+ self._registry._notifyParentChange(event)
+
+ if children != cachedata.children:
+ event = _Event(self._registry._cache,
+ path,
+ self._bus_name,
+ "org.freedesktop.atspi.Event.Object",
+ "children-changed",
+ ("", 0, 0, ""))
+ self._registry._notifyChildrenChange(event)
+
+ cachedata._update(data)
+
+ def _update_handler(self, update, remove):
+ self._remove_objects(remove)
+ self._update_objects(update)
+
+ def _update_objects(self, objects):
+ for data in objects:
+ #First element is the object path.
+ path = data[0]
+ if path in self._objects:
+ cachedata = self._objects[path]
+ self._update_cache_dispatch_events(cachedata, data)
+ else:
+ self._objects[path] = _CacheData(data)
+
+ def _remove_objects(self, paths):
+ for path in paths:
+ # TODO I'm squashing a possible error here
+ # I've seen things appear to be deleted twice
+ # which needs investigation
+ try:
+ del(self._objects[path])
+ except KeyError:
+ pass
+
+ def _get_root(self):
+ return self._root
+
+ root = property(fget=_get_root)
#END---------------------------------------------------------------------------
projects / platform / core / uifw / at-spi2-atk.git / blobdiff