mirror of
				https://github.com/godotengine/godot.git
				synced 2025-11-04 07:31:16 +00:00 
			
		
		
		
	
		
			
				
	
	
		
			104 lines
		
	
	
	
		
			4 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			104 lines
		
	
	
	
		
			4 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
/**************************************************************************/
 | 
						|
/*  jni_singleton.h                                                       */
 | 
						|
/**************************************************************************/
 | 
						|
/*                         This file is part of:                          */
 | 
						|
/*                             GODOT ENGINE                               */
 | 
						|
/*                        https://godotengine.org                         */
 | 
						|
/**************************************************************************/
 | 
						|
/* 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.                 */
 | 
						|
/**************************************************************************/
 | 
						|
 | 
						|
#pragma once
 | 
						|
 | 
						|
#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();
 | 
						|
	}
 | 
						|
};
 |