// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "cc/benchmarks/unittest_only_benchmark.h"

#include <utility>

#include "base/bind.h"
#include "base/memory/ptr_util.h"
#include "base/task/single_thread_task_runner.h"
#include "base/values.h"
#include "cc/benchmarks/unittest_only_benchmark_impl.h"
#include "third_party/abseil-cpp/absl/types/optional.h"

namespace cc {

UnittestOnlyBenchmark::UnittestOnlyBenchmark(base::Value settings,
                                             DoneCallback callback)
    : MicroBenchmark(std::move(callback)), create_impl_benchmark_(false) {
  if (!settings.is_dict())
    return;

  auto run_benchmark_impl = settings.FindBoolKey("run_benchmark_impl");
  if (run_benchmark_impl.has_value())
    create_impl_benchmark_ = *run_benchmark_impl;
}

UnittestOnlyBenchmark::~UnittestOnlyBenchmark() {
  weak_ptr_factory_.InvalidateWeakPtrs();
}

void UnittestOnlyBenchmark::DidUpdateLayers(LayerTreeHost* layer_tree_host) {
  NotifyDone(base::Value());
}

bool UnittestOnlyBenchmark::ProcessMessage(base::Value message) {
  auto can_handle = message.FindBoolKey("can_handle");
  if (can_handle.has_value() && *can_handle) {
    return true;
  }
  return false;
}

void UnittestOnlyBenchmark::RecordImplResults(base::Value results) {
  NotifyDone(std::move(results));
}

std::unique_ptr<MicroBenchmarkImpl> UnittestOnlyBenchmark::CreateBenchmarkImpl(
    scoped_refptr<base::SingleThreadTaskRunner> origin_task_runner) {
  if (!create_impl_benchmark_)
    return base::WrapUnique<MicroBenchmarkImpl>(nullptr);

  return base::WrapUnique(new UnittestOnlyBenchmarkImpl(
      origin_task_runner,
      base::BindOnce(&UnittestOnlyBenchmark::RecordImplResults,
                     weak_ptr_factory_.GetWeakPtr())));
}

}  // namespace cc
