1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
|
/*
* Copyright (C) 2003 Apple Computer, Inc. All rights reserved.
* Copyright 2009, The Android Open Source Project
*
* 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 "jni_utility_private.h"
#include <JavaVM/jni.h>
#include <wtf/RefCounted.h>
#include <wtf/RefPtr.h>
using namespace WTF;
namespace JSC {
namespace Bindings {
class JavaClass;
class JObjectWrapper
{
friend class RefPtr<JObjectWrapper>;
friend class JavaField;
friend class JavaInstance;
public:
jobject instance() const { return _instance; }
void setInstance(jobject instance) { _instance = instance; }
protected:
JObjectWrapper(jobject instance);
~JObjectWrapper();
void ref() { _refCount++; }
void deref()
{
if (--_refCount == 0)
delete this;
}
jobject _instance;
private:
JNIEnv *_env;
unsigned int _refCount;
};
class JavaInstance : public RefCounted<JavaInstance>
{
public:
JavaInstance(jobject instance);
virtual ~JavaInstance();
JavaClass* getClass() const;
bool invokeMethod(const char* name, const NPVariant* args, int argsCount, NPVariant* result);
jobject javaInstance() const { return m_instance->_instance; }
// These functions are called before and after the main entry points into
// the native implementations. They can be used to establish and cleanup
// any needed state.
void begin() { virtualBegin(); }
void end() { virtualEnd(); }
protected:
RefPtr<JObjectWrapper> m_instance;
mutable JavaClass* _class;
virtual void virtualBegin() {}
virtual void virtualEnd() {}
};
} // namespace Bindings
} // namespace JSC
#endif // _JNI_INSTANCE_H_
|