Source/core/timing/PerformanceTiming.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,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef PerformanceTiming_h
#define PerformanceTiming_h

#include "bindings/core/v8/ScriptWrappable.h"
#include "core/CoreExport.h"
#include "core/frame/DOMWindowProperty.h"
#include "platform/heap/Handle.h"

namespace blink {

class DocumentLoadTiming;
class DocumentLoader;
class DocumentTiming;
class LocalFrame;
class ResourceLoadTiming;
class ScriptState;
class ScriptValue;

class CORE_EXPORT PerformanceTiming final : public GarbageCollectedFinalized<PerformanceTiming>, public ScriptWrappable, public DOMWindowProperty {
    DEFINE_WRAPPERTYPEINFO();
    WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(PerformanceTiming);
public:
    static PerformanceTiming* create(LocalFrame* frame)
    {
        return new PerformanceTiming(frame);
    }

    unsigned long long navigationStart() const;
    unsigned long long unloadEventStart() const;
    unsigned long long unloadEventEnd() const;
    unsigned long long redirectStart() const;
    unsigned long long redirectEnd() const;
    unsigned long long fetchStart() const;
    unsigned long long domainLookupStart() const;
    unsigned long long domainLookupEnd() const;
    unsigned long long connectStart() const;
    unsigned long long connectEnd() const;
    unsigned long long secureConnectionStart() const;
    unsigned long long requestStart() const;
    unsigned long long responseStart() const;
    unsigned long long responseEnd() const;
    unsigned long long domLoading() const;
    unsigned long long domInteractive() const;
    unsigned long long domContentLoadedEventStart() const;
    unsigned long long domContentLoadedEventEnd() const;
    unsigned long long domComplete() const;
    unsigned long long loadEventStart() const;
    unsigned long long loadEventEnd() const;
    unsigned long long firstLayout() const;

    ScriptValue toJSONForBinding(ScriptState*) const;

    DECLARE_VIRTUAL_TRACE();

    unsigned long long monotonicTimeToIntegerMilliseconds(double) const;
    double integerMillisecondsToMonotonicTime(unsigned long long) const;

private:
    explicit PerformanceTiming(LocalFrame*);

    const DocumentTiming* documentTiming() const;
    DocumentLoader* documentLoader() const;
    DocumentLoadTiming* documentLoadTiming() const;
    ResourceLoadTiming* resourceLoadTiming() const;
};

} // namespace blink

#endif // PerformanceTiming_h