bool _NPN_Invoke(NPP npp, NPObject* o, NPIdentifier methodName, const NPVariant* args, uint32_t argCount, NPVariant* result)
{
if (o->_class == NPScriptObjectClass) {
JavaScriptObject* obj = (JavaScriptObject*)o;
if (!_isSafeScript(obj))
return false;
PrivateIdentifier* i = (PrivateIdentifier*)methodName;
if (!i->isString)
return false;
// Special case the "eval" method.
if (methodName == _NPN_GetStringIdentifier("eval")) {
if (argCount != 1)
return false;
if (args[0].type != NPVariantType_String)
return false;
return _NPN_Evaluate(npp, o, (NPString *)&args[0].value.stringValue, result);
}
// Lookup the function object.
RootObject* rootObject = obj->rootObject;
if (!rootObject || !rootObject->isValid())
return false;
ExecState* exec = rootObject->interpreter()->globalExec();
JSLock lock;
JSValue* func = obj->imp->get(exec, identifierFromNPIdentifier(i->value.string));
if (func->isNull()) {
NULL_TO_NPVARIANT(*result);
return false;
}
if (func->isUndefined()) {
VOID_TO_NPVARIANT(*result);
return false;
}
// Call the function object.
JSObject *funcImp = static_cast<JSObject*>(func);
JSObject *thisObj = const_cast<JSObject*>(obj->imp);
List argList = listFromVariantArgs(exec, args, argCount, rootObject);
rootObject->interpreter()->startTimeoutCheck();
JSValue *resultV = funcImp->call (exec, thisObj, argList);
rootObject->interpreter()->stopTimeoutCheck();
// Convert and return the result of the function call.
convertValueToNPVariant(exec, resultV, result);
return true;
}
if (o->_class->invoke)
return o->_class->invoke(o, methodName, args, argCount, result);
VOID_TO_NPVARIANT(*result);
return true;
}
bool _NPN_HasMethod(NPP, NPObject* o, NPIdentifier methodName)
{
if (o->_class == NPScriptObjectClass) {
JavaScriptObject* obj = (JavaScriptObject*)o;
if (!_isSafeScript(obj))
return false;
PrivateIdentifier* i = (PrivateIdentifier*)methodName;
if (!i->isString)
return false;
RootObject* rootObject = obj->rootObject;
if (!rootObject || !rootObject->isValid())
return false;
ExecState* exec = rootObject->interpreter()->globalExec();
JSLock lock;
JSValue* func = obj->imp->get(exec, identifierFromNPIdentifier(i->value.string));
return !func->isUndefined();
}
if (o->_class->hasMethod)
return o->_class->hasMethod(o, methodName);
return false;
}
bool _NPN_RemoveProperty(NPP, NPObject* o, NPIdentifier propertyName)
{
if (o->_class == NPScriptObjectClass) {
JavaScriptObject* obj = (JavaScriptObject*)o;
if (!_isSafeScript(obj))
return false;
RootObject* rootObject = obj->rootObject;
if (!rootObject || !rootObject->isValid())
return false;
ExecState* exec = rootObject->interpreter()->globalExec();
PrivateIdentifier* i = (PrivateIdentifier*)propertyName;
if (i->isString) {
if (!obj->imp->hasProperty(exec, identifierFromNPIdentifier(i->value.string)))
return false;
} else {
if (!obj->imp->hasProperty(exec, i->value.number))
return false;
}
JSLock lock;
if (i->isString)
obj->imp->deleteProperty(exec, identifierFromNPIdentifier(i->value.string));
else
obj->imp->deleteProperty(exec, i->value.number);
return true;
}
return false;
}
bool _NPN_SetProperty(NPP, NPObject* o, NPIdentifier propertyName, const NPVariant* variant)
{
if (o->_class == NPScriptObjectClass) {
JavaScriptObject* obj = (JavaScriptObject*)o;
if (!_isSafeScript(obj))
return false;
RootObject* rootObject = obj->rootObject;
if (!rootObject || !rootObject->isValid())
return false;
ExecState* exec = rootObject->interpreter()->globalExec();
JSLock lock;
PrivateIdentifier* i = (PrivateIdentifier*)propertyName;
if (i->isString)
obj->imp->put(exec, identifierFromNPIdentifier(i->value.string), convertNPVariantToValue(exec, variant));
else
obj->imp->put(exec, i->value.number, convertNPVariantToValue(exec, variant));
return true;
}
if (o->_class->setProperty)
return o->_class->setProperty(o, propertyName, variant);
return false;
}
bool _NPN_Enumerate(NPP, NPObject *o, NPIdentifier **identifier, uint32_t *count)
{
if (o->_class == NPScriptObjectClass) {
JavaScriptObject* obj = (JavaScriptObject*)o;
if (!_isSafeScript(obj))
return false;
RootObject* rootObject = obj->rootObject;
if (!rootObject || !rootObject->isValid())
return false;
ExecState* exec = rootObject->interpreter()->globalExec();
JSLock lock;
PropertyNameArray propertyNames;
obj->imp->getPropertyNames(exec, propertyNames);
unsigned size = static_cast<unsigned>(propertyNames.size());
// FIXME: This should really call NPN_MemAlloc but that's in WebKit
NPIdentifier *identifiers = static_cast<NPIdentifier*>(malloc(sizeof(NPIdentifier) * size));
for (unsigned i = 0; i < size; i++)
identifiers[i] = _NPN_GetStringIdentifier(propertyNames[i].ustring().UTF8String().c_str());
*identifier = identifiers;
*count = size;
return true;
}
if (NP_CLASS_STRUCT_VERSION_HAS_ENUM(o->_class) && o->_class->enumerate)
return o->_class->enumerate(o, identifier, count);
return false;
}
bool _NPN_Evaluate(NPP, NPObject* o, NPString* s, NPVariant* variant)
{
if (o->_class == NPScriptObjectClass) {
JavaScriptObject* obj = (JavaScriptObject*)o;
if (!_isSafeScript(obj))
return false;
RootObject* rootObject = obj->rootObject;
if (!rootObject || !rootObject->isValid())
return false;
ExecState* exec = rootObject->interpreter()->globalExec();
JSLock lock;
NPUTF16* scriptString;
unsigned int UTF16Length;
convertNPStringToUTF16(s, &scriptString, &UTF16Length); // requires free() of returned memory
rootObject->interpreter()->startTimeoutCheck();
Completion completion = rootObject->interpreter()->evaluate(UString(), 0, UString((const UChar*)scriptString,UTF16Length));
rootObject->interpreter()->stopTimeoutCheck();
ComplType type = completion.complType();
JSValue* result;
if (type == Normal) {
result = completion.value();
if (!result)
result = jsUndefined();
} else
result = jsUndefined();
free(scriptString);
convertValueToNPVariant(exec, result, variant);
return true;
}
VOID_TO_NPVARIANT(*variant);
return false;
}
void _NPN_SetException(NPObject* o, const NPUTF8* message)
{
if (o->_class == NPScriptObjectClass) {
JavaScriptObject* obj = (JavaScriptObject*)o;
RootObject* rootObject = obj->rootObject;
if (!rootObject || !rootObject->isValid())
return;
ExecState* exec = rootObject->interpreter()->globalExec();
JSLock lock;
throwError(exec, GeneralError, message);
}
}
bool _NPN_InvokeDefault(NPP, NPObject* o, const NPVariant* args, uint32_t argCount, NPVariant* result)
{
if (o->_class == NPScriptObjectClass) {
JavaScriptObject* obj = (JavaScriptObject*)o;
if (!_isSafeScript(obj))
return false;
VOID_TO_NPVARIANT(*result);
// Lookup the function object.
RootObject* rootObject = obj->rootObject;
if (!rootObject || !rootObject->isValid())
return false;
ExecState* exec = rootObject->interpreter()->globalExec();
JSLock lock;
// Call the function object.
JSObject *funcImp = static_cast<JSObject*>(obj->imp);
if (!funcImp->implementsCall())
return false;
List argList = listFromVariantArgs(exec, args, argCount, rootObject);
rootObject->interpreter()->startTimeoutCheck();
JSValue *resultV = funcImp->call (exec, funcImp, argList);
rootObject->interpreter()->stopTimeoutCheck();
// Convert and return the result of the function call.
convertValueToNPVariant(exec, resultV, result);
return true;
}
if (o->_class->invokeDefault)
return o->_class->invokeDefault(o, args, argCount, result);
VOID_TO_NPVARIANT(*result);
return true;
}
bool _NPN_GetProperty(NPP, NPObject* o, NPIdentifier propertyName, NPVariant* variant)
{
if (o->_class == NPScriptObjectClass) {
JavaScriptObject* obj = (JavaScriptObject*)o;
if (!_isSafeScript(obj))
return false;
RootObject* rootObject = obj->rootObject;
if (!rootObject || !rootObject->isValid())
return false;
ExecState* exec = rootObject->interpreter()->globalExec();
PrivateIdentifier* i = (PrivateIdentifier*)propertyName;
JSLock lock;
JSValue *result;
if (i->isString)
result = obj->imp->get(exec, identifierFromNPIdentifier(i->value.string));
else
result = obj->imp->get(exec, i->value.number);
if (result->isNull()) {
NULL_TO_NPVARIANT(*variant);
return false;
}
if (result->isUndefined()) {
VOID_TO_NPVARIANT(*variant);
return false;
}
convertValueToNPVariant(exec, result, variant);
return true;
}
if (o->_class->hasProperty && o->_class->getProperty) {
if (o->_class->hasProperty(o, propertyName))
return o->_class->getProperty(o, propertyName, variant);
return false;
}
VOID_TO_NPVARIANT(*variant);
return false;
}