third_party/WebKit/public/web/WebPerformance.h

/*
 * Copyright (C) 2010 Google 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,
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 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef WebPerformance_h
#define WebPerformance_h

#include "../platform/WebCommon.h"
#include "../platform/WebPrivatePtr.h"
#include "WebNavigationType.h"

#if BLINK_IMPLEMENTATION
#include "platform/heap/Handle.h"
#endif

namespace blink {

class Performance;

class WebPerformance {
 public:
  ~WebPerformance() { Reset(); }

  WebPerformance() {}

  WebPerformance(const WebPerformance& p) { Assign(p); }

  WebPerformance& operator=(const WebPerformance& p) {
    Assign(p);
    return *this;
  }

  BLINK_EXPORT void Reset();
  BLINK_EXPORT void Assign(const WebPerformance&);

  // This only returns one of {Other|Reload|BackForward}.
  // Form submits and link clicks all fall under other.
  BLINK_EXPORT WebNavigationType GetNavigationType() const;

  // These functions return time in seconds (not milliseconds) since the epoch.
  BLINK_EXPORT double NavigationStart() const;
  BLINK_EXPORT double UnloadEventEnd() const;
  BLINK_EXPORT double RedirectStart() const;
  BLINK_EXPORT double RedirectEnd() const;
  BLINK_EXPORT unsigned short RedirectCount() const;
  BLINK_EXPORT double FetchStart() const;
  BLINK_EXPORT double DomainLookupStart() const;
  BLINK_EXPORT double DomainLookupEnd() const;
  BLINK_EXPORT double ConnectStart() const;
  BLINK_EXPORT double ConnectEnd() const;
  BLINK_EXPORT double RequestStart() const;
  BLINK_EXPORT double ResponseStart() const;
  BLINK_EXPORT double ResponseEnd() const;
  BLINK_EXPORT double DomLoading() const;
  BLINK_EXPORT double DomInteractive() const;
  BLINK_EXPORT double DomContentLoadedEventStart() const;
  BLINK_EXPORT double DomContentLoadedEventEnd() const;
  BLINK_EXPORT double DomComplete() const;
  BLINK_EXPORT double LoadEventStart() const;
  BLINK_EXPORT double LoadEventEnd() const;
  BLINK_EXPORT double FirstLayout() const;
  BLINK_EXPORT double FirstPaint() const;
  BLINK_EXPORT double FirstTextPaint() const;
  BLINK_EXPORT double FirstImagePaint() const;
  BLINK_EXPORT double FirstContentfulPaint() const;
  BLINK_EXPORT double FirstMeaningfulPaint() const;
  BLINK_EXPORT double ParseStart() const;
  BLINK_EXPORT double ParseStop() const;
  BLINK_EXPORT double ParseBlockedOnScriptLoadDuration() const;
  BLINK_EXPORT double ParseBlockedOnScriptLoadFromDocumentWriteDuration() const;
  BLINK_EXPORT double ParseBlockedOnScriptExecutionDuration() const;
  BLINK_EXPORT double ParseBlockedOnScriptExecutionFromDocumentWriteDuration()
      const;
  BLINK_EXPORT double AuthorStyleSheetParseDurationBeforeFCP() const;
  BLINK_EXPORT double UpdateStyleDurationBeforeFCP() const;

#if BLINK_IMPLEMENTATION
  BLINK_EXPORT WebPerformance(Performance*);
  BLINK_EXPORT WebPerformance& operator=(Performance*);
#endif

 private:
  WebPrivatePtr<Performance> private_;
};

}  // namespace blink

#endif