1) get rid nsIAccessible::getNativeInterface 2) introduce NativeObject() per each nsAccessNodeWrap to get a pointer to native object, like AtkObject* NativeObject(); IAccessible* NativeObject(); mozAccessible* NativeObject(); 3) get rid nsAccessibleWrap::GetAtkObject() helper

would the following do a trick? // nsAccessible.h class OSAccessible; class nsAccessible { public: virtual OSAccessible* OSObject() = 0; } // atk/nsAccessibleWrap.h typedef AtkObject OSAccessible; class nsAccessibleWrap { public: virtual OSAccessible* OSObject() { return mAtkObject; } } // atk/nsAccessibleWrap.cpp void foo(nsAccessible* aAccessible) { AtkObject* atkAccessible = aAccessible->OSObject(); }

(In reply to alexander :surkov from comment #0) > 2) introduce NativeObject() per each nsAccessNodeWrap to get a pointer to > native object, like > AtkObject* NativeObject(); > IAccessible* NativeObject(); > mozAccessible* NativeObject(); On Mac it would have to be objc_object* OSObject() as mozAccessible is an Objective-C class. But that's a detail. Works for me. objc_object* it typedef to id which is the generic Objective-C object.