/*
 * Copyright (C) 2016 The Android Open Source Project
 *
 * 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 "stopwatch.h"

namespace profiler {

Stopwatch::Stopwatch()
    : Stopwatch(std::make_shared<SteadyClock>()) {
}

Stopwatch::Stopwatch(std::shared_ptr<Clock> clock) : clock_(clock) {
  Start();
}

void Stopwatch::Start() {
  start_time_ = clock_->GetCurrentTime();
}

uint64_t Stopwatch::GetElapsed() const {
  return clock_->GetCurrentTime() - start_time_;
}

} // profiler
