components/viz/test/fake_delay_based_time_source.h

// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef COMPONENTS_VIZ_TEST_FAKE_DELAY_BASED_TIME_SOURCE_H_
#define COMPONENTS_VIZ_TEST_FAKE_DELAY_BASED_TIME_SOURCE_H_

#include "base/memory/raw_ptr.h"
#include "base/task/single_thread_task_runner.h"
#include "base/time/time.h"
#include "components/viz/common/frame_sinks/delay_based_time_source.h"

namespace base {
class TickClock;
}

namespace viz {

class FakeDelayBasedTimeSourceClient : public DelayBasedTimeSourceClient {
 public:
  FakeDelayBasedTimeSourceClient() : tick_called_(false) {}

  FakeDelayBasedTimeSourceClient(const FakeDelayBasedTimeSourceClient&) =
      delete;
  FakeDelayBasedTimeSourceClient& operator=(
      const FakeDelayBasedTimeSourceClient&) = delete;

  void Reset() { tick_called_ = false; }
  bool TickCalled() const { return tick_called_; }

  // DelayBasedTimeSourceClient implementation.
  void OnTimerTick() override;

 protected:
  bool tick_called_;
};

class FakeDelayBasedTimeSource : public DelayBasedTimeSource {
 public:
  FakeDelayBasedTimeSource(const base::TickClock* now_src,
                           base::SingleThreadTaskRunner* task_runner);

  FakeDelayBasedTimeSource(const FakeDelayBasedTimeSource&) = delete;
  FakeDelayBasedTimeSource& operator=(const FakeDelayBasedTimeSource&) = delete;

  ~FakeDelayBasedTimeSource() override;

  // Overridden from DelayBasedTimeSource
  base::TimeTicks Now() const override;
  std::string TypeString() const override;

 private:
  // Not owned.
  raw_ptr<const base::TickClock> now_src_;
};

}  // namespace viz

#endif  // COMPONENTS_VIZ_TEST_FAKE_DELAY_BASED_TIME_SOURCE_H_