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content / browser / compute_pressure / pressure_service_for_dedicated_worker.h [blame]

// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CONTENT_BROWSER_COMPUTE_PRESSURE_PRESSURE_SERVICE_FOR_DEDICATED_WORKER_H_
#define CONTENT_BROWSER_COMPUTE_PRESSURE_PRESSURE_SERVICE_FOR_DEDICATED_WORKER_H_

#include <type_traits>

#include "base/memory/raw_ptr.h"
#include "base/thread_annotations.h"
#include "content/browser/compute_pressure/pressure_service_base.h"
#include "content/common/content_export.h"

namespace content {

class DedicatedWorkerHost;

class CONTENT_EXPORT PressureServiceForDedicatedWorker
    : public PressureServiceBase {
 public:
  explicit PressureServiceForDedicatedWorker(DedicatedWorkerHost* host);

  ~PressureServiceForDedicatedWorker() override;

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

  // PressureServiceBase overrides.
  bool ShouldDeliverUpdate() const override;
  std::optional<base::UnguessableToken> GetTokenFor(
      device::mojom::PressureSource) const override;

 private:
  // DedicatedWorkerHost owns an instance of this class.
  raw_ptr<DedicatedWorkerHost> GUARDED_BY_CONTEXT(sequence_checker_)
      worker_host_;
};

}  // namespace content

#endif  // CONTENT_BROWSER_COMPUTE_PRESSURE_PRESSURE_SERVICE_FOR_DEDICATED_WORKER_H_