def _CallMethod_(self, com_object, index, info, params):
#print "_CallMethod_", index, info, params
flags, name, param_descs, ret = info
assert ret[1][0] == xpcom_consts.TD_UINT32, "Expected an nsresult (%s)" % (ret,)
if XPT_MD_IS_GETTER(flags):
# Look for a function of that name
func = getattr(self._obj_, "get_" + name, None)
if func is None:
assert len(param_descs)==1 and len(params)==0, "Can only handle a single [out] arg for a default getter"
ret = getattr(self._obj_, name) # Let attribute error go here!
else:
ret = func(*params)
return 0, ret
elif XPT_MD_IS_SETTER(flags):
# Look for a function of that name
func = getattr(self._obj_, "set_" + name, None)
if func is None:
assert len(param_descs)==1 and len(params)==1, "Can only handle a single [in] arg for a default setter"
setattr(self._obj_, name, params[0]) # Let attribute error go here!
else:
func(*params)
return 0
elif callable(self._obj_):
if self._is_function_ is None:
iim = _xpcom.XPTI_GetInterfaceInfoManager()
interface_info = iim.GetInfoForIID(self._iid_)
self._is_function_ = interface_info.GetIsFunction()
if self._is_function_:
return 0, self._obj_(*params)
# A regular method.
func = getattr(self._obj_, name)
return 0, func(*params)
def _QueryInterface_(self, com_object, iid):
# Framework allows us to return a single boolean integer,
# or a COM object.
if iid in self._nominated_interfaces_:
# We return the underlying object re-wrapped
# in a new gateway - which is desirable, as one gateway should only support
# one interface (this wont affect the users of this policy - we can have as many
# gateways as we like pointing to the same Python objects - the users never
# see what object the call came in from.
# NOTE: We could have simply returned the instance and let the framework
# do the auto-wrap for us - but this way we prevent a round-trip back into Python
# code just for the autowrap.
return xpcom.server.WrapObject(self._obj_, iid, bWrapClient=0)
# Always support nsIClassInfo
if iid == _xpcom.IID_nsIClassInfo:
return GetClassInfoForObject(self._obj_)
# See if the instance has a QI
# use lower-case "_query_interface_" as win32com does, and it doesnt really matter.
delegate = getattr(self._obj_, "_query_interface_", None)
if delegate is not None:
# The COM object itself doesnt get passed to the child
# (again, as win32com doesnt). It is rarely needed
# (in win32com, we dont even pass it to the policy, although we have identified
# one place where we should - for marshalling - so I figured I may as well pass it
# to the policy layer here, but no all the way down to the object.
return delegate(iid)
# Finally see if we are being queried for one of the "nsISupports primitives"
if not _supports_primitives_map_:
iim = _xpcom.XPTI_GetInterfaceInfoManager()
for (iid_name, attr, cvt) in _supports_primitives_data_:
special_iid = iim.GetInfoForName(iid_name).GetIID()
_supports_primitives_map_[special_iid] = (attr, cvt)
attr, cvt = _supports_primitives_map_.get(iid, (None, None))
if attr is not None and hasattr(self._obj_, attr):
return xpcom.server.WrapObject(SupportsPrimitive(
iid, self._obj_, attr, cvt),
iid,
bWrapClient=0)
# Out of clever things to try!
return None # We dont support this IID.
# The contents of this file are subject to the Mozilla Public License Version
def _get_good_iid(iid):
if iid is None:
iid = _xpcom.IID_nsISupports
elif type(iid) in StringTypes and len(iid)>0 and iid[0] != "{":
iid = getattr(interfaces, iid)
return iid
# The "manager" object.
manager = xpcom.client.Component(_xpcom.GetComponentManager(), _xpcom.IID_nsIComponentManager)
# The component registrar
registrar = xpcom.client.Component(_xpcom.GetComponentManager(), _xpcom.IID_nsIComponentRegistrar)
# The "interfaceInfoManager" object - JS doesnt have this.
interfaceInfoManager = _xpcom.XPTI_GetInterfaceInfoManager()
# The serviceManager - JS doesnt have this either!
serviceManager = _xpcom.GetServiceManager()
# The "Exception" object
Exception = xpcom.COMException
# Base class for our collections.
# It appears that all objects supports "." and "[]" notation.
# eg, "interface.nsISupports" or interfaces["nsISupports"]
class _ComponentCollection:
# Bases are to over-ride 2 methods.
# _get_one(self, name) - to return one object by name
# _build_dict - to return a dictionary which provide access into
def __init__(self):