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/**************************************************************************/
/* jni_singleton.h */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2024-present Redot Engine contributors */
/* (see REDOT_AUTHORS.md) */
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/**************************************************************************/
#ifndef JNI_SINGLETON_H
#define JNI_SINGLETON_H
#include "java_class_wrapper.h"
#include "core/config/engine.h"
#include "core/variant/variant.h"
class JNISingleton : public Object {
GDCLASS(JNISingleton, Object);
struct MethodData {
Variant::Type ret_type;
Vector<Variant::Type> argtypes;
};
RBMap<StringName, MethodData> method_map;
Ref<JavaObject> wrapped_object;
public:
virtual Variant callp(const StringName &p_method, const Variant **p_args, int p_argcount, Callable::CallError &r_error) override {
if (wrapped_object.is_valid()) {
RBMap<StringName, MethodData>::Element *E = method_map.find(p_method);
// Check the method we're looking for is in the JNISingleton map and that
// the arguments match.
bool call_error = !E || E->get().argtypes.size() != p_argcount;
if (!call_error) {
for (int i = 0; i < p_argcount; i++) {
if (!Variant::can_convert(p_args[i]->get_type(), E->get().argtypes[i])) {
call_error = true;
break;
}
}
}
if (!call_error) {
return wrapped_object->callp(p_method, p_args, p_argcount, r_error);
}
}
return Object::callp(p_method, p_args, p_argcount, r_error);
}
Ref<JavaObject> get_wrapped_object() const {
return wrapped_object;
}
void add_method(const StringName &p_name, const Vector<Variant::Type> &p_args, Variant::Type p_ret_type) {
MethodData md;
md.argtypes = p_args;
md.ret_type = p_ret_type;
method_map[p_name] = md;
}
void add_signal(const StringName &p_name, const Vector<Variant::Type> &p_args) {
MethodInfo mi;
mi.name = p_name;
for (int i = 0; i < p_args.size(); i++) {
mi.arguments.push_back(PropertyInfo(p_args[i], "arg" + itos(i + 1)));
}
ADD_SIGNAL(mi);
}
JNISingleton() {}
JNISingleton(const Ref<JavaObject> &p_wrapped_object) {
wrapped_object = p_wrapped_object;
}
~JNISingleton() {
method_map.clear();
wrapped_object.unref();
}
};
#endif // JNI_SINGLETON_H
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