/platform/external/webkit/WebCore/bridge/jni/jsc/JavaInstanceJSC.h

  1/*
  2 * Copyright (C) 2003 Apple Computer, Inc.  All rights reserved.
  3 *
  4 * Redistribution and use in source and binary forms, with or without
  5 * modification, are permitted provided that the following conditions
  6 * are met:
  7 * 1. Redistributions of source code must retain the above copyright
  8 *    notice, this list of conditions and the following disclaimer.
  9 * 2. Redistributions in binary form must reproduce the above copyright
 10 *    notice, this list of conditions and the following disclaimer in the
 11 *    documentation and/or other materials provided with the distribution.
 12 *
 13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 16 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 24 */
 25
 26#ifndef JavaInstanceJSC_h
 27#define JavaInstanceJSC_h
 28
 29#if ENABLE(MAC_JAVA_BRIDGE)
 30
 31#include "Bridge.h"
 32#include "runtime_root.h"
 33
 34#include <JavaVM/jni.h>
 35
 36namespace JSC {
 37
 38namespace Bindings {
 39
 40class JavaClass;
 41
 42class JObjectWrapper {
 43friend class RefPtr<JObjectWrapper>;
 44friend class JavaArray;
 45friend class JavaField;
 46friend class JavaInstance;
 47friend class JavaMethod;
 48
 49public:
 50    jobject instance() const { return m_instance; }
 51    void setInstance(jobject instance) { m_instance = instance; }
 52
 53    void ref() { m_refCount++; }
 54    void deref()
 55    {
 56        if (!(--m_refCount))
 57            delete this;
 58    }
 59
 60protected:
 61    JObjectWrapper(jobject instance);
 62    ~JObjectWrapper();
 63
 64    jobject m_instance;
 65
 66private:
 67    JNIEnv* m_env;
 68    unsigned int m_refCount;
 69};
 70
 71class JavaInstance : public Instance {
 72public:
 73    static PassRefPtr<JavaInstance> create(jobject instance, PassRefPtr<RootObject> rootObject)
 74    {
 75        return adoptRef(new JavaInstance(instance, rootObject));
 76    }
 77
 78    ~JavaInstance();
 79
 80    virtual Class* getClass() const;
 81
 82    virtual JSValue valueOf(ExecState*) const;
 83    virtual JSValue defaultValue(ExecState*, PreferredPrimitiveType) const;
 84
 85    virtual JSValue invokeMethod(ExecState* exec, const MethodList& method, const ArgList& args);
 86
 87    jobject javaInstance() const { return m_instance->m_instance; }
 88
 89    JSValue stringValue(ExecState*) const;
 90    JSValue numberValue(ExecState*) const;
 91    JSValue booleanValue() const;
 92
 93protected:
 94    JavaInstance(jobject instance, PassRefPtr<RootObject>);
 95    virtual void virtualBegin();
 96    virtual void virtualEnd();
 97
 98    RefPtr<JObjectWrapper> m_instance;
 99    mutable JavaClass* m_class;
100};
101
102} // namespace Bindings
103
104} // namespace JSC
105
106#endif // ENABLE(MAC_JAVA_BRIDGE)
107
108#endif // JavaInstanceJSC_h