/*
 * Copyright (C) 2008 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:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. 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 APPLE INC. ``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 APPLE INC. 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 "EventListener.h"
#include "EventNames.h"
#include "EventTarget.h"
#include "XMLHttpRequest.h"
#include <wtf/Forward.h>
#include <wtf/HashMap.h>
#include <wtf/PassOwnPtr.h>
#include <wtf/RefCounted.h>
#include <wtf/RefPtr.h>
#include <wtf/Vector.h>
#include <wtf/text/AtomicStringHash.h>

namespace WebCore {

class ScriptExecutionContext;
class XMLHttpRequest;

class XMLHttpRequestUpload FINAL : public XMLHttpRequestEventTarget {
	WTF_MAKE_FAST_ALLOCATED;
public:
	static PassOwnPtr<XMLHttpRequestUpload> create(XMLHttpRequest* xmlHttpRequest)
	{
		return adoptPtr(new XMLHttpRequestUpload(xmlHttpRequest));
	}

	void ref() { m_xmlHttpRequest->ref(); }
	void deref() { m_xmlHttpRequest->deref(); }
	XMLHttpRequest* xmlHttpRequest() const { return m_xmlHttpRequest; }

	virtual EventTargetInterface eventTargetInterface() const FINAL;
	virtual ScriptExecutionContext* scriptExecutionContext() const FINAL;

    void dispatchProgressEvent(const AtomicString& type, unsigned long long loaded, unsigned long long total);

    bool hasRelevantEventListener() const;

private:
	XMLHttpRequestUpload(XMLHttpRequest*);

    // EventTarget.
    virtual void eventListenersDidChange() final;
	virtual void refEventTarget() FINAL { ref(); }
	virtual void derefEventTarget() FINAL { deref(); }

	XMLHttpRequest* m_xmlHttpRequest;
};
    
} // namespace WebCore
