chromium/third_party/blink/renderer/core/xmlhttprequest/xml_http_request_progress_event_throttle.h

/*
 * Copyright (C) 2010 Julien Chaffraix <[email protected]>
 * All right 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 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.
 */

#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_XMLHTTPREQUEST_XML_HTTP_REQUEST_PROGRESS_EVENT_THROTTLE_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_XMLHTTPREQUEST_XML_HTTP_REQUEST_PROGRESS_EVENT_THROTTLE_H_

#include "base/memory/scoped_refptr.h"
#include "third_party/blink/renderer/platform/heap/garbage_collected.h"
#include "third_party/blink/renderer/platform/heap/prefinalizer.h"
#include "third_party/blink/renderer/platform/timer.h"
#include "third_party/blink/renderer/platform/wtf/allocator/allocator.h"
#include "third_party/blink/renderer/platform/wtf/forward.h"

namespace blink {

class Event;
class XMLHttpRequest;

// This class implements the XHR2 ProgressEvent dispatching:
//   "dispatch a progress event named progress about every 50ms or for every
//   byte received, whichever is least frequent".
//
// readystatechange events also go through this class since ProgressEvents and
// readystatechange events affect each other.
//
// In the comments for this class:
// - "progress" event means an event named "progress"
// - ProgressEvent means an event using the ProgressEvent interface defined in
//   the spec.
class XMLHttpRequestProgressEventThrottle final
    : public GarbageCollected<XMLHttpRequestProgressEventThrottle>,
      public TimerBase { … };

}  // namespace blink

#endif  // THIRD_PARTY_BLINK_RENDERER_CORE_XMLHTTPREQUEST_XML_HTTP_REQUEST_PROGRESS_EVENT_THROTTLE_H_