gecko-dev/tools/profiler/ThreadResponsiveness.h

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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/. */
#ifndef ThreadResponsiveness_h
#define ThreadResponsiveness_h
#include "nsAutoPtr.h"
#include "nsISupports.h"
#include "mozilla/TimeStamp.h"
class ThreadProfile;
class CheckResponsivenessTask;
class ThreadResponsiveness {
public:
explicit ThreadResponsiveness(ThreadProfile *aThreadProfile);
~ThreadResponsiveness();
void Update();
mozilla::TimeDuration GetUnresponsiveDuration(const mozilla::TimeStamp& now) const {
return now - mLastTracerTime;
}
bool HasData() const {
return !mLastTracerTime.IsNull();
}
private:
ThreadProfile* mThreadProfile;
nsRefPtr<CheckResponsivenessTask> mActiveTracerEvent;
mozilla::TimeStamp mLastTracerTime;
};
#endif