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 JAVASCRIPTCORE_BINDINGS_JNI_JSOBJECT_H
27#define JAVASCRIPTCORE_BINDINGS_JNI_JSOBJECT_H
28
29#if ENABLE(JAVA_BRIDGE)
30
31#include "JNIUtility.h"
32#include <runtime/JSValue.h>
33#include <wtf/RefPtr.h>
34
35#define jlong_to_ptr(a) ((void*)(uintptr_t)(a))
36#define jlong_to_impptr(a) (static_cast<JSC::JSObject*>(((void*)(uintptr_t)(a))))
37#define ptr_to_jlong(a) ((jlong)(uintptr_t)(a))
38
39#if PLATFORM(MAC)
40
41namespace JSC {
42
43class ArgList;
44class ExecState;
45class JSObject;
46class MarkedArgumentBuffer;
47
48namespace Bindings {
49
50class RootObject;
51
52enum JSObjectCallType {
53    CreateNative,
54    Call,
55    Eval,
56    GetMember,
57    SetMember,
58    RemoveMember,
59    GetSlot,
60    SetSlot,
61    ToString,
62    Finalize
63};
64
65struct JSObjectCallContext
66{
67    JSObjectCallType type;
68    jlong nativeHandle;
69    jstring string;
70    jobjectArray args;
71    jint index;
72    jobject value;
73    CFRunLoopRef originatingLoop;
74    jvalue result;
75};
76
77class JavaJSObject
78{
79public:
80    JavaJSObject(jlong nativeHandle);
81
82    static jlong createNative(jlong nativeHandle);
83    jobject call(jstring methodName, jobjectArray args) const;
84    jobject eval(jstring script) const;
85    jobject getMember(jstring memberName) const;
86    void setMember(jstring memberName, jobject value) const;
87    void removeMember(jstring memberName) const;
88    jobject getSlot(jint index) const;
89    void setSlot(jint index, jobject value) const;
90    jstring toString() const;
91    void finalize() const;
92
93    static jvalue invoke(JSObjectCallContext*);
94
95    jobject convertValueToJObject(JSValue) const;
96    JSValue convertJObjectToValue(ExecState*, jobject) const;
97    void getListFromJArray(ExecState*, jobjectArray, MarkedArgumentBuffer&) const;
98
99    RootObject* rootObject() const;
100
101    // Must be called from the thread that will be used to access JavaScript.
102    static void initializeJNIThreading();
103private:
104    RefPtr<RootObject> _rootObject;
105    JSObject* _imp;
106};
107
108
109} // namespace Bindings
110
111} // namespace JSC
112
113extern "C" {
114
115// The Java VM calls these functions to handle calls to methods in Java's JSObject class.
116jlong KJS_JSCreateNativeJSObject(JNIEnv*, jclass, jstring jurl, jlong nativeHandle, jboolean ctx);
117void KJS_JSObject_JSFinalize(JNIEnv*, jclass, jlong nativeJSObject);
118jobject KJS_JSObject_JSObjectCall(JNIEnv*, jclass, jlong nativeJSObject, jstring jurl, jstring methodName, jobjectArray args, jboolean ctx);
119jobject KJS_JSObject_JSObjectEval(JNIEnv*, jclass, jlong nativeJSObject, jstring jurl, jstring jscript, jboolean ctx);
120jobject KJS_JSObject_JSObjectGetMember(JNIEnv*, jclass, jlong nativeJSObject, jstring jurl, jstring jname, jboolean ctx);
121void KJS_JSObject_JSObjectSetMember(JNIEnv*, jclass, jlong nativeJSObject, jstring jurl, jstring jname, jobject value, jboolean ctx);
122void KJS_JSObject_JSObjectRemoveMember(JNIEnv*, jclass, jlong nativeJSObject, jstring jurl, jstring jname, jboolean ctx);
123jobject KJS_JSObject_JSObjectGetSlot(JNIEnv*, jclass, jlong nativeJSObject, jstring jurl, jint jindex, jboolean ctx);
124void KJS_JSObject_JSObjectSetSlot(JNIEnv*, jclass, jlong nativeJSObject, jstring jurl, jint jindex, jobject value, jboolean ctx);
125jstring KJS_JSObject_JSObjectToString(JNIEnv*, jclass, jlong nativeJSObject);
126
127}
128
129#endif // PLATFORM(MAC)
130
131#endif // ENABLE(JAVA_BRIDGE)
132
133#endif // JAVASCRIPTCORE_BINDINGS_JNI_JSOBJECT_H
134