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/*
* Copyright 2010, 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:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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 THE COPYRIGHT HOLDERS ``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 THE COPYRIGHT OWNER 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.
*/
#include "config.h"
#include "JavaNPObjectV8.h"
#if ENABLE(JAVA_BRIDGE)
#include "JNIUtilityPrivate.h"
#include "JavaClassV8.h"
#include "JavaFieldV8.h"
#include "JavaInstanceV8.h"
#include "JavaMethod.h"
#include "JavaValueV8.h"
#include "npruntime_impl.h"
namespace JSC {
namespace Bindings {
static NPObject* AllocJavaNPObject(NPP, NPClass*)
{
JavaNPObject* obj = static_cast<JavaNPObject*>(malloc(sizeof(JavaNPObject)));
if (!obj)
return 0;
memset(obj, 0, sizeof(JavaNPObject));
return reinterpret_cast<NPObject*>(obj);
}
static void FreeJavaNPObject(NPObject* npobj)
{
JavaNPObject* obj = reinterpret_cast<JavaNPObject*>(npobj);
obj->m_instance = 0; // free does not call the destructor
free(obj);
}
static NPClass JavaNPObjectClass = {
NP_CLASS_STRUCT_VERSION,
AllocJavaNPObject, // allocate,
FreeJavaNPObject, // free,
0, // invalidate
JavaNPObjectHasMethod,
JavaNPObjectInvoke,
0, // invokeDefault,
JavaNPObjectHasProperty,
JavaNPObjectGetProperty,
0, // setProperty
0, // removeProperty
0, // enumerate
0 // construct
};
NPObject* JavaInstanceToNPObject(JavaInstance* instance)
{
JavaNPObject* object = reinterpret_cast<JavaNPObject*>(_NPN_CreateObject(0, &JavaNPObjectClass));
object->m_instance = instance;
return reinterpret_cast<NPObject*>(object);
}
// Returns null if obj is not a wrapper of JavaInstance
JavaInstance* ExtractJavaInstance(NPObject* obj)
{
if (obj->_class == &JavaNPObjectClass)
return reinterpret_cast<JavaNPObject*>(obj)->m_instance.get();
return 0;
}
bool JavaNPObjectHasMethod(NPObject* obj, NPIdentifier identifier)
{
JavaInstance* instance = ExtractJavaInstance(obj);
if (!instance)
return false;
NPUTF8* name = _NPN_UTF8FromIdentifier(identifier);
if (!name)
return false;
instance->begin();
bool result = (instance->getClass()->methodsNamed(name).size() > 0);
instance->end();
// TODO: use NPN_MemFree
free(name);
return result;
}
bool JavaNPObjectInvoke(NPObject* obj, NPIdentifier identifier, const NPVariant* args, uint32_t argCount, NPVariant* result)
{
JavaInstance* instance = ExtractJavaInstance(obj);
if (!instance)
return false;
NPUTF8* name = _NPN_UTF8FromIdentifier(identifier);
if (!name)
return false;
instance->begin();
MethodList methodList = instance->getClass()->methodsNamed(name);
// TODO: use NPN_MemFree
free(name);
// Try to find a good match for the overloaded method. The
// fundamental problem is that JavaScript doesn't have the
// notion of method overloading and Java does. We could
// get a bit more sophisticated and attempt to do some
// type checking as well as checking the number of parameters.
size_t numMethods = methodList.size();
JavaMethod* aMethod;
JavaMethod* jMethod = 0;
for (size_t methodIndex = 0; methodIndex < numMethods; methodIndex++) {
aMethod = methodList[methodIndex];
if (aMethod->numParameters() == static_cast<int>(argCount)) {
jMethod = aMethod;
break;
}
}
if (!jMethod)
return false;
JavaValue* jArgs = new JavaValue[argCount];
for (unsigned int i = 0; i < argCount; i++)
jArgs[i] = convertNPVariantToJavaValue(args[i], jMethod->parameterAt(i));
JavaValue jResult = instance->invokeMethod(jMethod, jArgs);
instance->end();
delete[] jArgs;
VOID_TO_NPVARIANT(*result);
convertJavaValueToNPVariant(jResult, result);
return true;
}
bool JavaNPObjectHasProperty(NPObject* obj, NPIdentifier identifier)
{
JavaInstance* instance = ExtractJavaInstance(obj);
if (!instance)
return false;
NPUTF8* name = _NPN_UTF8FromIdentifier(identifier);
if (!name)
return false;
instance->begin();
bool result = instance->getClass()->fieldNamed(name);
instance->end();
free(name);
return result;
}
bool JavaNPObjectGetProperty(NPObject* obj, NPIdentifier identifier, NPVariant* result)
{
VOID_TO_NPVARIANT(*result);
JavaInstance* instance = ExtractJavaInstance(obj);
if (!instance)
return false;
NPUTF8* name = _NPN_UTF8FromIdentifier(identifier);
if (!name)
return false;
instance->begin();
JavaField* field = instance->getClass()->fieldNamed(name);
free(name); // TODO: use NPN_MemFree
if (!field)
return false;
<<<<<<< HEAD
#if PLATFORM(ANDROID)
// JSC does not seem to support returning object properties so we emulate that
// behaviour here.
jvalue value;
#else
jvalue value = getJNIField(instance->javaInstance(),
field->getJNIType(),
field->name().utf8(),
field->type());
#endif // PLATFORM(ANDROID)
convertJValueToNPVariant(value, field->getJNIType(), field->type(), result);
=======
JavaValue value = instance->getField(field);
instance->end();
convertJavaValueToNPVariant(value, result);
>>>>>>> webkit.org at r82507
return true;
}
} // namespace Bindings
} // namespace JSC
#endif // ENABLE(JAVA_BRIDGE)
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