/* * Copyright (C) 2003 Apple Computer, Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef _JNI_INSTANCE_H_ #define _JNI_INSTANCE_H_ #include <CoreFoundation/CoreFoundation.h> #include <JavaVM/jni.h> #include <JavaScriptCore/runtime.h> namespace KJS { namespace Bindings { class JavaClass; class JObjectWrapper { friend class JavaArray; friend class JavaInstance; friend class JavaMethod; protected: JObjectWrapper(jobject instance); void ref() { _ref++; } void deref() { _ref--; if (_ref == 0) delete this; } ~JObjectWrapper(); jobject _instance; private: JNIEnv *_env; unsigned int _ref; }; class JavaInstance : public Instance { public: JavaInstance (jobject instance); ~JavaInstance (); virtual Class *getClass() const; JavaInstance (const JavaInstance &other); JavaInstance &operator=(const JavaInstance &other){ if (this == &other) return *this; JObjectWrapper *_oldInstance = _instance; _instance = other._instance; _instance->ref(); _oldInstance->deref(); // Classes are kept around forever. _class = other._class; return *this; }; virtual void begin(); virtual void end(); virtual KJS::Value valueOf() const; virtual KJS::Value defaultValue (KJS::Type hint) const; virtual KJS::Value invokeMethod (KJS::ExecState *exec, const MethodList *method, const KJS::List &args); jobject javaInstance() const { return _instance->_instance; } KJS::Value stringValue() const; KJS::Value numberValue() const; KJS::Value booleanValue() const; private: JObjectWrapper *_instance; mutable JavaClass *_class; }; } // namespace Bindings } // namespace KJS #endif