#ifndef JAVA_CLASS_WRAPPER_H #define JAVA_CLASS_WRAPPER_H /*************************************************************************/ /* java_class_wrapper.h */ /*************************************************************************/ /* This file is part of: */ /* GODOT ENGINE */ /* https://godotengine.org */ /*************************************************************************/ /* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */ /* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */ /* */ /* 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. */ /*************************************************************************/ #include "core/object/reference.h" #ifdef ANDROID_ENABLED #include <android/log.h> #include <jni.h> #endif #ifdef ANDROID_ENABLED class JavaObject; #endif class JavaClass : public Reference { GDCLASS(JavaClass, Reference); #ifdef ANDROID_ENABLED enum ArgumentType{ ARG_TYPE_VOID, ARG_TYPE_BOOLEAN, ARG_TYPE_BYTE, ARG_TYPE_CHAR, ARG_TYPE_SHORT, ARG_TYPE_INT, ARG_TYPE_LONG, ARG_TYPE_FLOAT, ARG_TYPE_DOUBLE, ARG_TYPE_STRING, //special case ARG_TYPE_CLASS, ARG_ARRAY_BIT = 1 << 16, ARG_NUMBER_CLASS_BIT = 1 << 17, ARG_TYPE_MASK = (1 << 16) - 1 }; Map<StringName, Variant> constant_map; struct MethodInfo { bool _static; Vector<uint32_t> param_types; Vector<StringName> param_sigs; uint32_t return_type; jmethodID method; }; _FORCE_INLINE_ static void _convert_to_variant_type(int p_sig, Variant::Type &r_type, float &likelihood) { likelihood = 1.0; r_type = Variant::NIL; switch (p_sig) { case ARG_TYPE_VOID: r_type = Variant::NIL; break; case ARG_TYPE_BOOLEAN | ARG_NUMBER_CLASS_BIT: case ARG_TYPE_BOOLEAN: r_type = Variant::BOOL; break; case ARG_TYPE_BYTE | ARG_NUMBER_CLASS_BIT: case ARG_TYPE_BYTE: r_type = Variant::INT; likelihood = 0.1; break; case ARG_TYPE_CHAR | ARG_NUMBER_CLASS_BIT: case ARG_TYPE_CHAR: r_type = Variant::INT; likelihood = 0.2; break; case ARG_TYPE_SHORT | ARG_NUMBER_CLASS_BIT: case ARG_TYPE_SHORT: r_type = Variant::INT; likelihood = 0.3; break; case ARG_TYPE_INT | ARG_NUMBER_CLASS_BIT: case ARG_TYPE_INT: r_type = Variant::INT; likelihood = 1.0; break; case ARG_TYPE_LONG | ARG_NUMBER_CLASS_BIT: case ARG_TYPE_LONG: r_type = Variant::INT; likelihood = 0.5; break; case ARG_TYPE_FLOAT | ARG_NUMBER_CLASS_BIT: case ARG_TYPE_FLOAT: r_type = Variant::REAL; likelihood = 1.0; break; case ARG_TYPE_DOUBLE | ARG_NUMBER_CLASS_BIT: case ARG_TYPE_DOUBLE: r_type = Variant::REAL; likelihood = 0.5; break; case ARG_TYPE_STRING: r_type = Variant::STRING; break; case ARG_TYPE_CLASS: r_type = Variant::OBJECT; break; case ARG_ARRAY_BIT | ARG_TYPE_VOID: r_type = Variant::NIL; break; case ARG_ARRAY_BIT | ARG_TYPE_BOOLEAN: r_type = Variant::ARRAY; break; case ARG_ARRAY_BIT | ARG_TYPE_BYTE: r_type = Variant::POOL_BYTE_ARRAY; likelihood = 1.0; break; case ARG_ARRAY_BIT | ARG_TYPE_CHAR: r_type = Variant::POOL_BYTE_ARRAY; likelihood = 0.5; break; case ARG_ARRAY_BIT | ARG_TYPE_SHORT: r_type = Variant::POOL_INT_ARRAY; likelihood = 0.3; break; case ARG_ARRAY_BIT | ARG_TYPE_INT: r_type = Variant::POOL_INT_ARRAY; likelihood = 1.0; break; case ARG_ARRAY_BIT | ARG_TYPE_LONG: r_type = Variant::POOL_INT_ARRAY; likelihood = 0.5; break; case ARG_ARRAY_BIT | ARG_TYPE_FLOAT: r_type = Variant::POOL_REAL_ARRAY; likelihood = 1.0; break; case ARG_ARRAY_BIT | ARG_TYPE_DOUBLE: r_type = Variant::POOL_REAL_ARRAY; likelihood = 0.5; break; case ARG_ARRAY_BIT | ARG_TYPE_STRING: r_type = Variant::POOL_STRING_ARRAY; break; case ARG_ARRAY_BIT | ARG_TYPE_CLASS: r_type = Variant::ARRAY; break; } } _FORCE_INLINE_ static bool _convert_object_to_variant(JNIEnv *env, jobject obj, Variant &var, uint32_t p_sig); bool _call_method(JavaObject *p_instance, const StringName &p_method, const Variant **p_args, int p_argcount, Variant::CallError &r_error, Variant &ret); friend class JavaClassWrapper; Map<StringName, List<MethodInfo>> methods; jclass _class; #endif public: virtual Variant call(const StringName &p_method, const Variant **p_args, int p_argcount, Variant::CallError &r_error); JavaClass(); }; class JavaObject : public Reference { GDCLASS(JavaObject, Reference); #ifdef ANDROID_ENABLED Ref<JavaClass> base_class; friend class JavaClass; jobject instance; #endif public: virtual Variant call(const StringName &p_method, const Variant **p_args, int p_argcount, Variant::CallError &r_error); #ifdef ANDROID_ENABLED JavaObject(const Ref<JavaClass> &p_base, jobject *p_instance); ~JavaObject(); #endif }; class JavaClassWrapper : public Object { GDCLASS(JavaClassWrapper, Object); #ifdef ANDROID_ENABLED Map<String, Ref<JavaClass>> class_cache; friend class JavaClass; jclass activityClass; jmethodID findClass; jmethodID getDeclaredMethods; jmethodID getFields; jmethodID getParameterTypes; jmethodID getReturnType; jmethodID getModifiers; jmethodID getName; jmethodID Class_getName; jmethodID Field_getName; jmethodID Field_getModifiers; jmethodID Field_get; jmethodID Boolean_booleanValue; jmethodID Byte_byteValue; jmethodID Character_characterValue; jmethodID Short_shortValue; jmethodID Integer_integerValue; jmethodID Long_longValue; jmethodID Float_floatValue; jmethodID Double_doubleValue; jobject classLoader; bool _get_type_sig(JNIEnv *env, jobject obj, uint32_t &sig, String &strsig); #endif static JavaClassWrapper *singleton; protected: static void _bind_methods(); public: static JavaClassWrapper *get_singleton() { return singleton; } Ref<JavaClass> wrap(const String &p_class); #ifdef ANDROID_ENABLED JavaClassWrapper(jobject p_activity = NULL); #else JavaClassWrapper(); #endif }; #endif // JAVA_CLASS_WRAPPER_H