private void genListeners(
Refs r,
Map<Ref, JFieldVar> fieldVarMap,
JFieldVar holdrListener,
Collection<Ref> refs,
JBlock body,
Map<Listener.Type, ListenerType> listenerTypeMap) {
if (holdrListener == null) return;
for (Ref ref : refs) {
if (ref instanceof View) {
JFieldVar fieldVar = fieldVarMap.get(ref);
View view = (View) ref;
if (view.isNullable) {
body = body._if(fieldVar.ne(_null()))._then();
}
for (Listener listener : view.listeners) {
ListenerType listenerType = listenerTypeMap.get(listener.type);
JDefinedClass listenerClass = r.m.anonymousClass(listenerType.classType);
JMethod method =
listenerClass.method(PUBLIC, listenerType.methodReturn, listenerType.methodName);
List<JVar> params = new ArrayList<JVar>();
for (Pair<JType, String> arg : listenerType.methodParams) {
JVar param = method.param(arg.first, arg.second);
params.add(arg.second.equals("view") ? fieldVar : param);
}
method.annotate(r.overrideAnnotation);
JBlock innerBody = method.body();
JBlock innerIf = innerBody._if(holdrListener.ne(_null()))._then();
JInvocation invokeHoldrListener;
if (listenerType.defaultReturn == null) {
invokeHoldrListener = innerIf.invoke(holdrListener, listener.name);
} else {
invokeHoldrListener = holdrListener.invoke(listener.name);
innerIf._return(invokeHoldrListener);
innerBody._return(listenerType.defaultReturn);
}
for (JVar param : params) {
invokeHoldrListener.arg(param);
}
body.invoke(fieldVar, listenerType.setter).arg(_new(listenerClass));
}
}
}
}
