// 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/micro_benchmark_controller_impl.h"

#include <string>

#include "base/callback.h"
#include "base/values.h"
#include "cc/trees/layer_tree_host_impl.h"

namespace cc {

namespace {

class IsDonePredicate {
 public:
  typedef const MicroBenchmarkImpl* argument_type;
  typedef bool result_type;

  result_type operator()(argument_type benchmark) const {
    return benchmark->IsDone();
  }
};

}  // namespace

MicroBenchmarkControllerImpl::MicroBenchmarkControllerImpl(
    LayerTreeHostImpl* host)
    : host_(host) {
  DCHECK(host_);
}

MicroBenchmarkControllerImpl::~MicroBenchmarkControllerImpl() {}

void MicroBenchmarkControllerImpl::ScheduleRun(
    scoped_ptr<MicroBenchmarkImpl> benchmark) {
  benchmarks_.push_back(benchmark.Pass());
}

void MicroBenchmarkControllerImpl::DidCompleteCommit() {
  for (ScopedPtrVector<MicroBenchmarkImpl>::iterator it = benchmarks_.begin();
       it != benchmarks_.end();
       ++it) {
    DCHECK(!(*it)->IsDone());
    (*it)->DidCompleteCommit(host_);
  }

  CleanUpFinishedBenchmarks();
}

void MicroBenchmarkControllerImpl::CleanUpFinishedBenchmarks() {
  benchmarks_.erase(
      benchmarks_.partition(std::not1(IsDonePredicate())),
      benchmarks_.end());
}

}  // namespace cc