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 
13 namespace tracked_objects {
14 
Duration()15 Duration::Duration() : ms_(0) {}
Duration(int32_t duration)16 Duration::Duration(int32_t duration) : ms_(duration) {}
17 
operator +=(const Duration & other)18 Duration& Duration::operator+=(const Duration& other) {
19   ms_ += other.ms_;
20   return *this;
21 }
22 
operator +(const Duration & other) const23 Duration Duration::operator+(const Duration& other) const {
24   return Duration(ms_ + other.ms_);
25 }
26 
operator ==(const Duration & other) const27 bool Duration::operator==(const Duration& other) const {
28   return ms_ == other.ms_;
29 }
30 
operator !=(const Duration & other) const31 bool Duration::operator!=(const Duration& other) const {
32   return ms_ != other.ms_;
33 }
34 
operator >(const Duration & other) const35 bool Duration::operator>(const Duration& other) const {
36   return ms_ > other.ms_;
37 }
38 
39 // static
FromMilliseconds(int ms)40 Duration Duration::FromMilliseconds(int ms) { return Duration(ms); }
41 
InMilliseconds() const42 int32_t Duration::InMilliseconds() const {
43   return ms_;
44 }
45 
46 //------------------------------------------------------------------------------
47 
TrackedTime()48 TrackedTime::TrackedTime() : ms_(0) {}
TrackedTime(int32_t ms)49 TrackedTime::TrackedTime(int32_t ms) : ms_(ms) {}
TrackedTime(const base::TimeTicks & time)50 TrackedTime::TrackedTime(const base::TimeTicks& time)
51     : ms_(static_cast<int32_t>((time - base::TimeTicks()).InMilliseconds())) {}
52 
53 // static
Now()54 TrackedTime TrackedTime::Now() {
55   return TrackedTime(base::TimeTicks::Now());
56 }
57 
operator -(const TrackedTime & other) const58 Duration TrackedTime::operator-(const TrackedTime& other) const {
59   return Duration(ms_ - other.ms_);
60 }
61 
operator +(const Duration & other) const62 TrackedTime TrackedTime::operator+(const Duration& other) const {
63   return TrackedTime(ms_ + other.ms_);
64 }
65 
is_null() const66 bool TrackedTime::is_null() const { return ms_ == 0; }
67 
68 }  // namespace tracked_objects
69