JSValue JSNPObject::propertyGetter(ExecState* exec, JSValue slotBase, PropertyName propertyName)
{
JSNPObject* thisObj = static_cast<JSNPObject*>(asObject(slotBase));
ASSERT_GC_OBJECT_INHERITS(thisObj, &s_info);
if (!thisObj->m_npObject)
return throwInvalidAccessError(exec);
if (!thisObj->m_npObject->_class->getProperty)
return jsUndefined();
NPVariant result;
VOID_TO_NPVARIANT(result);
// Calling NPClass::getProperty will call into plug-in code, and there's no telling what the plug-in can do.
// (including destroying the plug-in). Because of this, we make sure to keep the plug-in alive until
// the call has finished.
NPRuntimeObjectMap::PluginProtector protector(thisObj->m_objectMap);
bool returnValue;
{
JSLock::DropAllLocks dropAllLocks(SilenceAssertionsOnly);
NPIdentifier npIdentifier = npIdentifierFromIdentifier(propertyName);
returnValue = thisObj->m_npObject->_class->getProperty(thisObj->m_npObject, npIdentifier, &result);
NPRuntimeObjectMap::moveGlobalExceptionToExecState(exec);
}
if (!returnValue)
return jsUndefined();
JSValue propertyValue = thisObj->m_objectMap->convertNPVariantToJSValue(exec, thisObj->globalObject(), result);
releaseNPVariantValue(&result);
return propertyValue;
}
bool JSNPObject::getOwnPropertySlot(JSCell* cell, ExecState* exec, PropertyName propertyName, PropertySlot& slot)
{
JSNPObject* thisObject = JSC::jsCast<JSNPObject*>(cell);
ASSERT_GC_OBJECT_INHERITS(thisObject, &s_info);
if (!thisObject->m_npObject) {
throwInvalidAccessError(exec);
return false;
}
NPIdentifier npIdentifier = npIdentifierFromIdentifier(propertyName);
// First, check if the NPObject has a property with this name.
if (thisObject->m_npObject->_class->hasProperty && thisObject->m_npObject->_class->hasProperty(thisObject->m_npObject, npIdentifier)) {
slot.setCustom(thisObject, thisObject->propertyGetter);
return true;
}
// Second, check if the NPObject has a method with this name.
if (thisObject->m_npObject->_class->hasMethod && thisObject->m_npObject->_class->hasMethod(thisObject->m_npObject, npIdentifier)) {
slot.setCustom(thisObject, thisObject->methodGetter);
return true;
}
return false;
}
bool JSNPObject::getOwnPropertyDescriptor(JSObject* object, ExecState* exec, PropertyName propertyName, PropertyDescriptor& descriptor)
{
JSNPObject* thisObject = jsCast<JSNPObject*>(object);
ASSERT_GC_OBJECT_INHERITS(thisObject, &s_info);
if (!thisObject->m_npObject) {
throwInvalidAccessError(exec);
return false;
}
NPIdentifier npIdentifier = npIdentifierFromIdentifier(propertyName);
// First, check if the NPObject has a property with this name.
if (thisObject->m_npObject->_class->hasProperty && thisObject->m_npObject->_class->hasProperty(thisObject->m_npObject, npIdentifier)) {
PropertySlot slot;
slot.setCustom(thisObject, propertyGetter);
descriptor.setDescriptor(slot.getValue(exec, propertyName), DontDelete);
return true;
}
// Second, check if the NPObject has a method with this name.
if (thisObject->m_npObject->_class->hasMethod && thisObject->m_npObject->_class->hasMethod(thisObject->m_npObject, npIdentifier)) {
PropertySlot slot;
slot.setCustom(thisObject, methodGetter);
descriptor.setDescriptor(slot.getValue(exec, propertyName), DontDelete | ReadOnly);
return true;
}
return false;
}
bool JSNPObject::getOwnPropertySlot(JSObject* object, ExecState* exec, PropertyName propertyName, PropertySlot& slot)
{
JSNPObject* thisObject = JSC::jsCast<JSNPObject*>(object);
ASSERT_GC_OBJECT_INHERITS(thisObject, info());
if (!thisObject->m_npObject) {
throwInvalidAccessError(exec);
return false;
}
NPIdentifier npIdentifier = npIdentifierFromIdentifier(propertyName);
// Calling NPClass::invoke will call into plug-in code, and there's no telling what the plug-in can do.
// (including destroying the plug-in). Because of this, we make sure to keep the plug-in alive until
// the call has finished.
NPRuntimeObjectMap::PluginProtector protector(thisObject->m_objectMap);
// First, check if the NPObject has a property with this name.
if (thisObject->m_npObject->_class->hasProperty && thisObject->m_npObject->_class->hasProperty(thisObject->m_npObject, npIdentifier)) {
slot.setCustom(thisObject, DontDelete, thisObject->propertyGetter);
return true;
}
// Second, check if the NPObject has a method with this name.
if (thisObject->m_npObject->_class->hasMethod && thisObject->m_npObject->_class->hasMethod(thisObject->m_npObject, npIdentifier)) {
slot.setCustom(thisObject, DontDelete | ReadOnly, thisObject->methodGetter);
return true;
}
return false;
}
bool JSNPObject::getOwnPropertyDescriptor(ExecState* exec, const Identifier& propertyName, PropertyDescriptor& descriptor)
{
if (!m_npObject) {
throwInvalidAccessError(exec);
return false;
}
NPIdentifier npIdentifier = npIdentifierFromIdentifier(propertyName);
// First, check if the NPObject has a property with this name.
if (m_npObject->_class->hasProperty && m_npObject->_class->hasProperty(m_npObject, npIdentifier)) {
PropertySlot slot;
slot.setCustom(this, propertyGetter);
descriptor.setDescriptor(slot.getValue(exec, propertyName), DontDelete);
return true;
}
// Second, check if the NPObject has a method with this name.
if (m_npObject->_class->hasMethod && m_npObject->_class->hasMethod(m_npObject, npIdentifier)) {
PropertySlot slot;
slot.setCustom(this, methodGetter);
descriptor.setDescriptor(slot.getValue(exec, propertyName), DontDelete | ReadOnly);
return true;
}
return false;
}
JSValue JSNPObject::methodGetter(ExecState* exec, JSValue slotBase, const Identifier& methodName)
{
JSNPObject* thisObj = static_cast<JSNPObject*>(asObject(slotBase));
if (!thisObj->m_npObject)
return throwInvalidAccessError(exec);
NPIdentifier npIdentifier = npIdentifierFromIdentifier(methodName);
return new (exec) JSNPMethod(exec, thisObj->globalObject(), methodName, npIdentifier);
}
JSValue JSNPObject::methodGetter(ExecState* exec, JSValue slotBase, PropertyName methodName)
{
JSNPObject* thisObj = static_cast<JSNPObject*>(asObject(slotBase));
ASSERT_GC_OBJECT_INHERITS(thisObj, &s_info);
if (!thisObj->m_npObject)
return throwInvalidAccessError(exec);
NPIdentifier npIdentifier = npIdentifierFromIdentifier(methodName);
return JSNPMethod::create(exec, thisObj->globalObject(), methodName.ustring(), npIdentifier);
}
EncodedJSValue JSNPObject::methodGetter(ExecState* exec, EncodedJSValue slotBase, EncodedJSValue, PropertyName propertyName)
{
JSNPObject* thisObj = jsCast<JSNPObject*>(JSValue::decode(slotBase));
ASSERT_GC_OBJECT_INHERITS(thisObj, info());
if (!thisObj->m_npObject)
return JSValue::encode(throwInvalidAccessError(exec));
NPIdentifier npIdentifier = npIdentifierFromIdentifier(propertyName);
return JSValue::encode(JSNPMethod::create(exec, thisObj->globalObject(), propertyName.publicName(), npIdentifier));
}
void JSNPObject::put(JSCell* cell, ExecState* exec, PropertyName propertyName, JSValue value, PutPropertySlot&)
{
JSNPObject* thisObject = JSC::jsCast<JSNPObject*>(cell);
ASSERT_GC_OBJECT_INHERITS(thisObject, &s_info);
if (!thisObject->m_npObject) {
throwInvalidAccessError(exec);
return;
}
NPIdentifier npIdentifier = npIdentifierFromIdentifier(propertyName);
if (!thisObject->m_npObject->_class->hasProperty || !thisObject->m_npObject->_class->hasProperty(thisObject->m_npObject, npIdentifier)) {
// FIXME: Should we throw an exception here?
return;
}
if (!thisObject->m_npObject->_class->setProperty)
return;
NPVariant variant;
thisObject->m_objectMap->convertJSValueToNPVariant(exec, value, variant);
// Calling NPClass::setProperty will call into plug-in code, and there's no telling what the plug-in can do.
// (including destroying the plug-in). Because of this, we make sure to keep the plug-in alive until
// the call has finished.
NPRuntimeObjectMap::PluginProtector protector(thisObject->m_objectMap);
{
JSLock::DropAllLocks dropAllLocks(SilenceAssertionsOnly);
thisObject->m_npObject->_class->setProperty(thisObject->m_npObject, npIdentifier, &variant);
NPRuntimeObjectMap::moveGlobalExceptionToExecState(exec);
// FIXME: Should we throw an exception if setProperty returns false?
}
releaseNPVariantValue(&variant);
}
bool JSNPObject::getOwnPropertySlot(ExecState* exec, const Identifier& propertyName, PropertySlot& slot)
{
if (!m_npObject) {
throwInvalidAccessError(exec);
return false;
}
NPIdentifier npIdentifier = npIdentifierFromIdentifier(propertyName);
// First, check if the NPObject has a property with this name.
if (m_npObject->_class->hasProperty && m_npObject->_class->hasProperty(m_npObject, npIdentifier)) {
slot.setCustom(this, propertyGetter);
return true;
}
// Second, check if the NPObject has a method with this name.
if (m_npObject->_class->hasMethod && m_npObject->_class->hasMethod(m_npObject, npIdentifier)) {
slot.setCustom(this, methodGetter);
return true;
}
return false;
}
bool JSNPObject::deleteProperty(JSCell* cell, ExecState* exec, PropertyName propertyName)
{
return jsCast<JSNPObject*>(cell)->deleteProperty(exec, npIdentifierFromIdentifier(propertyName));
}
