/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "StartupTimeline.h"

#include "mozilla/Telemetry.h"

#include "mozilla/TimeStamp.h"

#include "nsXULAppAPI.h"

namespace mozilla {

TimeStamp StartupTimeline::sStartupTimeline[StartupTimeline::MAX_EVENT_ID];

const char *StartupTimeline::sStartupTimelineDesc[StartupTimeline::MAX_EVENT_ID] = {

#define mozilla_StartupTimeline_Event(ev, desc) desc,

#include "StartupTimeline.h"

#undef mozilla_StartupTimeline_Event

};

} /* namespace mozilla */

using mozilla::StartupTimeline;

using mozilla::TimeStamp;

/**

 * The XRE_StartupTimeline_Record function is to be used by embedding

 * applications that can't use mozilla::StartupTimeline::Record() directly.

 *

 * @param aEvent The event to be recorded, must correspond to an element of the

 *               mozilla::StartupTimeline::Event enumartion

 * @param aWhen  The time at which the event happened

 */

void

XRE_StartupTimelineRecord(int aEvent, TimeStamp aWhen)

{

  StartupTimeline::Record((StartupTimeline::Event)aEvent, aWhen);

}

void StartupTimeline::RecordOnce(Event ev) {

  if (HasRecord(ev)) {

    return;

  }

  Record(ev);

  // Record first paint timestamp as a scalar.

  if (ev == FIRST_PAINT) {

    bool error = false;

    uint32_t firstPaintTime = (uint32_t) (Get(ev) - TimeStamp::ProcessCreation(&error)).ToMilliseconds();

    if (!error) {

      Telemetry::ScalarSet(Telemetry::ScalarID::TIMESTAMPS_FIRST_PAINT, firstPaintTime);

    }

  }

}