// 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/debug/unittest_only_benchmark.h"

#include "base/bind.h"
#include "base/memory/ptr_util.h"
#include "base/single_thread_task_runner.h"
#include "base/values.h"
#include "cc/debug/unittest_only_benchmark_impl.h"

namespace cc {

UnittestOnlyBenchmark::UnittestOnlyBenchmark(std::unique_ptr<base::Value> value,
                                             const DoneCallback& callback)
    : MicroBenchmark(callback),
      create_impl_benchmark_(false),
      weak_ptr_factory_(this) {
  if (!value)
    return;

  base::DictionaryValue* settings = nullptr;
  value->GetAsDictionary(&settings);
  if (!settings)
    return;

  if (settings->HasKey("run_benchmark_impl"))
    settings->GetBoolean("run_benchmark_impl", &create_impl_benchmark_);
}

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

void UnittestOnlyBenchmark::DidUpdateLayers(LayerTree* layer_tree) {
  NotifyDone(nullptr);
}

bool UnittestOnlyBenchmark::ProcessMessage(std::unique_ptr<base::Value> value) {
  base::DictionaryValue* message = nullptr;
  value->GetAsDictionary(&message);
  bool can_handle;
  if (message->HasKey("can_handle")) {
    message->GetBoolean("can_handle", &can_handle);
    if (can_handle)
      return true;
  }
  return false;
}

void UnittestOnlyBenchmark::RecordImplResults(
    std::unique_ptr<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, nullptr,
      base::Bind(&UnittestOnlyBenchmark::RecordImplResults,
                 weak_ptr_factory_.GetWeakPtr())));
}

}  // namespace cc