/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef PROFILERIOINTERPOSEOBSERVER_H
#define PROFILERIOINTERPOSEOBSERVER_H

#include "mozilla/IOInterposer.h"
#include "nsISupportsImpl.h"

namespace mozilla {

/**
 * This class is the observer that calls into the profiler whenever
 * main thread I/O occurs.
 */
class ProfilerIOInterposeObserver final : public IOInterposeObserver {
  NS_INLINE_DECL_THREADSAFE_REFCOUNTING(ProfilerIOInterposeObserver)

 public:
  static ProfilerIOInterposeObserver& GetInstance();

  virtual void Observe(Observation& aObservation) override;

 private:
  ProfilerIOInterposeObserver() = default;
  virtual ~ProfilerIOInterposeObserver() {}
};

}  // namespace mozilla

#endif  // PROFILERIOINTERPOSEOBSERVER_H