1// Copyright (c) 2012 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "base/profiler/tracked_time.h"
6
7#include "build/build_config.h"
8
9#if defined(OS_WIN)
10#include <mmsystem.h>  // Declare timeGetTime()... after including build_config.
11#endif
12
13namespace tracked_objects {
14
15Duration::Duration() : ms_(0) {}
16Duration::Duration(int32_t duration) : ms_(duration) {}
17
18Duration& Duration::operator+=(const Duration& other) {
19  ms_ += other.ms_;
20  return *this;
21}
22
23Duration Duration::operator+(const Duration& other) const {
24  return Duration(ms_ + other.ms_);
25}
26
27bool Duration::operator==(const Duration& other) const {
28  return ms_ == other.ms_;
29}
30
31bool Duration::operator!=(const Duration& other) const {
32  return ms_ != other.ms_;
33}
34
35bool Duration::operator>(const Duration& other) const {
36  return ms_ > other.ms_;
37}
38
39// static
40Duration Duration::FromMilliseconds(int ms) { return Duration(ms); }
41
42int32_t Duration::InMilliseconds() const {
43  return ms_;
44}
45
46//------------------------------------------------------------------------------
47
48TrackedTime::TrackedTime() : ms_(0) {}
49TrackedTime::TrackedTime(int32_t ms) : ms_(ms) {}
50TrackedTime::TrackedTime(const base::TimeTicks& time)
51    : ms_(static_cast<int32_t>((time - base::TimeTicks()).InMilliseconds())) {}
52
53// static
54TrackedTime TrackedTime::Now() {
55  return TrackedTime(base::TimeTicks::Now());
56}
57
58Duration TrackedTime::operator-(const TrackedTime& other) const {
59  return Duration(ms_ - other.ms_);
60}
61
62TrackedTime TrackedTime::operator+(const Duration& other) const {
63  return TrackedTime(ms_ + other.ms_);
64}
65
66bool TrackedTime::is_null() const { return ms_ == 0; }
67
68}  // namespace tracked_objects
69