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/*
* Copyright (C) 2009 Google Inc. All rights reserved.
* Copyright (C) 2016 Apple Inc. All rights reserved.
*
* 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.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "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 "ErrorEvent.h"
#include "DOMWrapperWorld.h"
#include "EventNames.h"
#include <JavaScriptCore/HeapInlines.h>
#include <JavaScriptCore/StrongInlines.h>
#include <wtf/IsoMallocInlines.h>
namespace WebCore {
using namespace JSC;
WTF_MAKE_ISO_ALLOCATED_IMPL(ErrorEvent);
ErrorEvent::ErrorEvent(const AtomString& type, const Init& initializer, IsTrusted isTrusted)
: Event(type, initializer, isTrusted)
, m_message(initializer.message)
, m_fileName(initializer.filename)
, m_lineNumber(initializer.lineno)
, m_columnNumber(initializer.colno)
, m_error(initializer.error)
{
}
ErrorEvent::ErrorEvent(const AtomString& type, const String& message, const String& fileName, unsigned lineNumber, unsigned columnNumber, JSC::Strong<JSC::Unknown> error)
: Event(type, CanBubble::No, IsCancelable::Yes)
, m_message(message)
, m_fileName(fileName)
, m_lineNumber(lineNumber)
, m_columnNumber(columnNumber)
, m_error(error.get())
{
}
ErrorEvent::ErrorEvent(const String& message, const String& fileName, unsigned lineNumber, unsigned columnNumber, JSC::Strong<JSC::Unknown> error)
: ErrorEvent(eventNames().errorEvent, message, fileName, lineNumber, columnNumber, error)
{
}
ErrorEvent::~ErrorEvent() = default;
EventInterface ErrorEvent::eventInterface() const
{
return ErrorEventInterfaceType;
}
JSValue ErrorEvent::error(JSGlobalObject& globalObject)
{
if (!m_error)
return jsNull();
JSValue error = m_error.getValue();
if (!isWorldCompatible(globalObject, error)) {
// We need to make sure ErrorEvents do not leak their error property across isolated DOM worlds.
// Ideally, we would check that the worlds have different privileges but that's not possible yet.
auto serializedError = trySerializeError(globalObject);
if (!serializedError)
return jsNull();
return serializedError->deserialize(globalObject, &globalObject);
}
return error;
}
RefPtr<SerializedScriptValue> ErrorEvent::trySerializeError(JSGlobalObject& exec)
{
if (!m_serializedError && !m_triedToSerialize) {
m_serializedError = SerializedScriptValue::create(exec, m_error.getValue(), SerializationForStorage::No, SerializationErrorMode::NonThrowing);
m_triedToSerialize = true;
}
return m_serializedError;
}
bool ErrorEvent::isErrorEvent() const
{
return true;
}
} // namespace WebCore
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