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