bindings/jni/jni_jsobject.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 JAVASCRIPTCORE_BINDINGS_JNI_JSOBJECT_H
  27 #define JAVASCRIPTCORE_BINDINGS_JNI_JSOBJECT_H
  28
  29 #if ENABLE(JAVA_BINDINGS)
  30
  31 #if PLATFORM(MAC)
  32 #include <CoreFoundation/CoreFoundation.h>
  33 #endif
  34
  35 #include <JavaVM/jni.h>
  36 #include <wtf/RefPtr.h>
  37
  38 #define jlong_to_ptr(a) ((void*)(uintptr_t)(a))
  39 #define jlong_to_impptr(a) (static_cast<KJS::JSObject*>(((void*)(uintptr_t)(a))))
  40 #define ptr_to_jlong(a) ((jlong)(uintptr_t)(a))
  41
  42 namespace KJS {
  43
  44 class List;
  45 class JSObject;
  46 class JSValue;
  47
  48 namespace Bindings {
  49
  50 class RootObject;
  51
  52 enum JSObjectCallType {
  53     CreateNative,
  54     Call,
  55     Eval,
  56     GetMember,
  57     SetMember,
  58     RemoveMember,
  59     GetSlot,
  60     SetSlot,
  61     ToString,
  62     Finalize
  63 };
  64
  65 struct 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
  77 class JavaJSObject
  78 {
  79 public:
  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(jobject) const;
  97     void getListFromJArray(jobjectArray, List&) const;
  98
  99     RootObject* rootObject() const;
 100
 101 private:
 102     RefPtr<RootObject> _rootObject;
 103     JSObject* _imp;
 104 };
 105
 106
 107 } // namespace Bindings
 108
 109 } // namespace KJS
 110
 111 extern "C" {
 112
 113 // The Java VM calls these functions to handle calls to methods in Java's JSObject class.
 114 jlong KJS_JSCreateNativeJSObject(JNIEnv*, jclass, jstring jurl, jlong nativeHandle, jboolean ctx);
 115 void KJS_JSObject_JSFinalize(JNIEnv*, jclass, jlong nativeJSObject);
 116 jobject KJS_JSObject_JSObjectCall(JNIEnv*, jclass, jlong nativeJSObject, jstring jurl, jstring methodName, jobjectArray args, jboolean ctx);
 117 jobject KJS_JSObject_JSObjectEval(JNIEnv*, jclass, jlong nativeJSObject, jstring jurl, jstring jscript, jboolean ctx);
 118 jobject KJS_JSObject_JSObjectGetMember(JNIEnv*, jclass, jlong nativeJSObject, jstring jurl, jstring jname, jboolean ctx);
 119 void KJS_JSObject_JSObjectSetMember(JNIEnv*, jclass, jlong nativeJSObject, jstring jurl, jstring jname, jobject value, jboolean ctx);
 120 void KJS_JSObject_JSObjectRemoveMember(JNIEnv*, jclass, jlong nativeJSObject, jstring jurl, jstring jname, jboolean ctx);
 121 jobject KJS_JSObject_JSObjectGetSlot(JNIEnv*, jclass, jlong nativeJSObject, jstring jurl, jint jindex, jboolean ctx);
 122 void KJS_JSObject_JSObjectSetSlot(JNIEnv*, jclass, jlong nativeJSObject, jstring jurl, jint jindex, jobject value, jboolean ctx);
 123 jstring KJS_JSObject_JSObjectToString(JNIEnv*, jclass, jlong nativeJSObject);
 124
 125 }
 126
 127 #endif // ENABLE(JAVA_BINDINGS)
 128
 129 #endif // JAVASCRIPTCORE_BINDINGS_JNI_JSOBJECT_H