JavaInstanceV8.h revision 2bde8e466a4451c7319e3a072d118917957d6554 
1/*
2 * Copyright (C) 2003, 2008, 2010 Apple Inc. All rights reserved.
3 * Copyright 2010, The Android Open Source Project
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *  * Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 *  * Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
17 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
21 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27#ifndef JavaInstanceV8_h
28#define JavaInstanceV8_h
29
30#if ENABLE(JAVA_BRIDGE)
31
32#include "JNIUtility.h"
33#include "JavaValueV8.h"
34#include "JobjectWrapper.h"
35#include "npruntime.h"
36
37#include <wtf/RefCounted.h>
38#include <wtf/RefPtr.h>
39
40using namespace WTF;
41
42namespace JSC {
43
44namespace Bindings {
45
46class JavaClass;
47class JavaField;
48class JavaMethod;
49
50class JavaInstance : public RefCounted<JavaInstance> {
51public:
52    JavaInstance(jobject instance);
53    virtual ~JavaInstance();
54
55    JavaClass* getClass() const;
56    // args must be an array of length greater than or equal to the number of
57    // arguments expected by the method.
58    JavaValue invokeMethod(const JavaMethod*, JavaValue* args);
59    JavaValue getField(const JavaField*);
60    jobject javaInstance() const { return m_instance->m_instance; }
61
62    // These functions are called before and after the main entry points into
63    // the native implementations.  They can be used to establish and cleanup
64    // any needed state.
65    void begin() { virtualBegin(); }
66    void end() { virtualEnd(); }
67
68protected:
69    RefPtr<JobjectWrapper> m_instance;
70    mutable JavaClass* m_class;
71
72    virtual void virtualBegin();
73    virtual void virtualEnd();
74};
75
76} // namespace Bindings
77
78} // namespace JSC
79
80#endif // ENABLE(JAVA_BRIDGE)
81
82#endif // JavaInstanceV8_h
83