/*
 * 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.
 */

#pragma once

#include "Event.h"
#include "SerializedScriptValue.h"
#include <JavaScriptCore/Strong.h>
#include <wtf/text/WTFString.h>

namespace WebCore {

class ErrorEvent final : public Event {
public:
    static Ref<ErrorEvent> create(const String& message, const String& fileName, unsigned lineNumber, unsigned columnNumber, JSC::Strong<JSC::Unknown> error)
    {
        return adoptRef(*new ErrorEvent(message, fileName, lineNumber, columnNumber, error));
    }

    struct Init : EventInit {
        String message;
        String filename;
        unsigned lineno { 0 };
        unsigned colno { 0 };
        JSC::JSValue error;
    };

    static Ref<ErrorEvent> create(JSC::ExecState& state, const AtomicString& type, const Init& initializer, IsTrusted isTrusted = IsTrusted::No)
    {
        return adoptRef(*new ErrorEvent(state, type, initializer, isTrusted));
    }

    virtual ~ErrorEvent();

    const String& message() const { return m_message; }
    const String& filename() const { return m_fileName; }
    unsigned lineno() const { return m_lineNumber; }
    unsigned colno() const { return m_columnNumber; }
    JSC::JSValue error(JSC::ExecState&, JSC::JSGlobalObject&);

    EventInterface eventInterface() const override;

private:
    ErrorEvent(const String& message, const String& fileName, unsigned lineNumber, unsigned columnNumber, JSC::Strong<JSC::Unknown> error);
    ErrorEvent(JSC::ExecState&, const AtomicString&, const Init&, IsTrusted);

    RefPtr<SerializedScriptValue> trySerializeError(JSC::ExecState&);

    bool isErrorEvent() const override;

    String m_message;
    String m_fileName;
    unsigned m_lineNumber;
    unsigned m_columnNumber;
    // FIXME: The following use of JSC::Strong is incorrect and can lead to storage leaks
    // due to reference cycles; we should use JSValueInWrappedObject instead.
    JSC::Strong<JSC::Unknown> m_error;
    RefPtr<SerializedScriptValue> m_serializedDetail;
    bool m_triedToSerialize { false };
};

} // namespace WebCore

SPECIALIZE_TYPE_TRAITS_EVENT(ErrorEvent)