ui/base/accelerators/media_keys_util.h

// Copyright 2019 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.

#ifndef UI_BASE_ACCELERATORS_MEDIA_KEYS_UTIL_H_
#define UI_BASE_ACCELERATORS_MEDIA_KEYS_UTIL_H_

#include "ui/base/ui_base_export.h"

namespace ui {

// These values are persisted to logs. Entries should not be renumbered and
// numeric values should never be reused.
enum class MediaHardwareKeyAction {
  kPlay = 0,
  kPause,
  kStop,
  kNextTrack,
  kPreviousTrack,
  kPlayPause,
  kMaxValue = kPlayPause
};

// The name of the histogram that records |MediaHardwareKeyAction|.
UI_BASE_EXPORT extern const char kMediaHardwareKeyActionHistogramName[];

// Records a media hardware key action to the
// |kMediaHardwareKeyActionHistogramName| histogram.
UI_BASE_EXPORT void RecordMediaHardwareKeyAction(
    ui::MediaHardwareKeyAction action);

}  // namespace ui

#endif  // UI_BASE_ACCELERATORS_MEDIA_KEYS_UTIL_H_