summaryrefslogtreecommitdiffstats
path: root/tools/profiler/gecko/ThreadResponsiveness.h
blob: 5454c3c054fcb64ac0d7680f5ee203b8b48f144a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
/* -*- 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 "nsISupports.h"
#include "mozilla/RefPtr.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;
  RefPtr<CheckResponsivenessTask> mActiveTracerEvent;
  mozilla::TimeStamp mLastTracerTime;
};

#endif