blob: d7814feb7cfdd9cf7a01a8e8428c3d7107452559 [file] [log] [blame]
/*
* Copyright 2016 Google Inc. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "cobalt/base/stop_watch.h"
namespace base {
StopWatch::StopWatch(int id, AutoStart auto_start, StopWatchOwner* owner)
: id_(id), owner_(owner) {
if (auto_start == kAutoStartOn) {
Start();
}
}
StopWatch::~StopWatch() { Stop(); }
void StopWatch::Start() {
if (!IsCounting() && owner_->IsStopWatchEnabled(id_)) {
start_time_ = base::TimeTicks::Now();
}
}
void StopWatch::Stop() {
if (IsCounting()) {
base::TimeDelta time_elapsed = base::TimeTicks::Now() - start_time_;
start_time_ = base::TimeTicks();
owner_->OnStopWatchStopped(id_, time_elapsed);
}
}
bool StopWatch::IsCounting() const { return !start_time_.is_null(); }
} // namespace base