interface_sdk-js/api/@ohos.batteryInfo.d.ts

/*
 * Copyright (c) 2021-2022 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

/**
 * Obtains battery information of a device.
 * <p>Battery information includes the remaining battery power,
 * voltage, temperature, model, and charger type.
 *
 * @namespace batteryInfo
 * @syscap SystemCapability.PowerManager.BatteryManager.Core
 * @since 6
 */
declare namespace batteryInfo {
  /**
   * Battery state of charge (SoC) of the current device, in percent.
   *
   * @constant
   * @syscap SystemCapability.PowerManager.BatteryManager.Core
   * @since 6
   */
  const batterySOC: number;

  /**
   * Battery charging status of the current device.
   *
   * @constant
   * @syscap SystemCapability.PowerManager.BatteryManager.Core
   * @since 6
   */
  const chargingStatus: BatteryChargeState;

  /**
   * Battery health state of the current device.
   *
   * @constant
   * @syscap SystemCapability.PowerManager.BatteryManager.Core
   * @since 6
   */
  const healthStatus: BatteryHealthState;

  /**
   * Charger type of the current device.
   *
   * @constant
   * @syscap SystemCapability.PowerManager.BatteryManager.Core
   * @since 6
   */
  const pluggedType: BatteryPluggedType;

  /**
   * Battery voltage of the current device, in µV.
   *
   * @constant
   * @syscap SystemCapability.PowerManager.BatteryManager.Core
   * @since 6
   */
  const voltage: number;

  /**
   * Battery technology of the current device.
   *
   * @constant
   * @syscap SystemCapability.PowerManager.BatteryManager.Core
   * @since 6
   */
  const technology: string;

  /**
   * Battery temperature of the current device, in 0.1℃.
   *
   * @constant
   * @syscap SystemCapability.PowerManager.BatteryManager.Core
   * @since 6
   */
  const batteryTemperature: number;

  /**
   * Battery present state of the current device.
   *
   * @constant
   * @syscap SystemCapability.PowerManager.BatteryManager.Core
   * @since 7
   */
  const isBatteryPresent: boolean;

  /**
   * Battery capacity level of the current device.
   *
   * @constant
   * @type { BatteryCapacityLevel }
   * @syscap SystemCapability.PowerManager.BatteryManager.Core
   * @since 9
   */
  const batteryCapacityLevel: BatteryCapacityLevel;

  /**
   * Estimated remaining time for the current device to be fully charged, in ms.
   *
   * @constant
   * @type { number }
   * @syscap SystemCapability.PowerManager.BatteryManager.Core
   * @systemapi
   * @since 9
   */
  const estimatedRemainingChargeTime: number;

  /**
   * Battery total energy of the current device, in mAh.
   *
   * @constant
   * @type { number }
   * @syscap SystemCapability.PowerManager.BatteryManager.Core
   * @systemapi
   * @since 9
   */
  const totalEnergy: number;

  /**
   * Battery immediate current of the current device, in mA.
   *
   * @constant
   * @type { number }
   * @syscap SystemCapability.PowerManager.BatteryManager.Core
   * @systemapi
   * @since 9
   */
  const nowCurrent: number;

  /**
   * Battery remaining energy of the current device, in mAh.
   *
   * @constant
   * @type { number }
   * @syscap SystemCapability.PowerManager.BatteryManager.Core
   * @systemapi
   * @since 9
   */
  const remainingEnergy: number;

  /**
   * Charger type of a device.
   *
   * @syscap SystemCapability.PowerManager.BatteryManager.Core
   * @since 6
   */
  export enum BatteryPluggedType {
    /**
     * Unknown type
     *
     * @syscap SystemCapability.PowerManager.BatteryManager.Core
     * @since 6
     */
    NONE,
    /**
     * AC charger
     *
     * @syscap SystemCapability.PowerManager.BatteryManager.Core
     * @since 6
     */
    AC,
    /**
     * USB charger
     *
     * @syscap SystemCapability.PowerManager.BatteryManager.Core
     * @since 6
     */
    USB,
    /**
     * Wireless charger
     *
     * @syscap SystemCapability.PowerManager.BatteryManager.Core
     * @since 6
     */
    WIRELESS
  }

  /**
   * Battery charging status of a device.
   *
   * @syscap SystemCapability.PowerManager.BatteryManager.Core
   * @since 6
   */
  export enum BatteryChargeState {
    /**
     * Unknown state.
     *
     * @syscap SystemCapability.PowerManager.BatteryManager.Core
     * @since 6
     */
    NONE,
    /**
     * The battery is being charged.
     *
     * @syscap SystemCapability.PowerManager.BatteryManager.Core
     * @since 6
     */
    ENABLE,
    /**
     * The battery is not being charged.
     *
     * @syscap SystemCapability.PowerManager.BatteryManager.Core
     * @since 6
     */
    DISABLE,
    /**
     * The battery is fully charged.
     *
     * @syscap SystemCapability.PowerManager.BatteryManager.Core
     * @since 6
     */
    FULL
  }

  /**
   * Battery health status of a device.
   *
   * @syscap SystemCapability.PowerManager.BatteryManager.Core
   * @since 6
   */
  export enum BatteryHealthState {
    /**
     * Unknown state.
     *
     * @syscap SystemCapability.PowerManager.BatteryManager.Core
     * @since 6
     */
    UNKNOWN,
    /**
     * The battery is in healthy state.
     *
     * @syscap SystemCapability.PowerManager.BatteryManager.Core
     * @since 6
     */
    GOOD,
    /**
     * The battery is overheated.
     *
     * @syscap SystemCapability.PowerManager.BatteryManager.Core
     * @since 6
     */
    OVERHEAT,
    /**
     * The battery voltage is over high.
     *
     * @syscap SystemCapability.PowerManager.BatteryManager.Core
     * @since 6
     */
    OVERVOLTAGE,
    /**
     * The battery temperature is low.
     *
     * @syscap SystemCapability.PowerManager.BatteryManager.Core
     * @since 6
     */
    COLD,
    /**
     * The battery is dead.
     *
     * @syscap SystemCapability.PowerManager.BatteryManager.Core
     * @since 6
     */
    DEAD
  }

  /**
   * Battery capacity level of a device.
   *
   * @enum { number }
   * @syscap SystemCapability.PowerManager.BatteryManager.Core
   * @since 9
   */
  export enum BatteryCapacityLevel {
    /**
     * The battery is in full capacity level.
     *
     * @syscap SystemCapability.PowerManager.BatteryManager.Core
     * @since 9
     */
    LEVEL_FULL,
    /**
     * The battery is in high capacity level.
     *
     * @syscap SystemCapability.PowerManager.BatteryManager.Core
     * @since 9
     */
    LEVEL_HIGH,
    /**
     * The battery is in normal capacity level.
     *
     * @syscap SystemCapability.PowerManager.BatteryManager.Core
     * @since 9
     */
    LEVEL_NORMAL,
    /**
     * The battery is in low capacity level.
     *
     * @syscap SystemCapability.PowerManager.BatteryManager.Core
     * @since 9
     */
    LEVEL_LOW,
    /**
     * The battery is in warning low capacity level.
     *
     * @syscap SystemCapability.PowerManager.BatteryManager.Core
     * @since 9
     */
    LEVEL_WARNING,
    /**
     * The battery is in critical low capacity level.
     *
     * @syscap SystemCapability.PowerManager.BatteryManager.Core
     * @since 9
     */
    LEVEL_CRITICAL,
    /**
     * The battery is in the lowest capacity level, system will shut down automatically in a few seconds.
     *
     * @syscap SystemCapability.PowerManager.BatteryManager.Core
     * @since 9
     */
    LEVEL_SHUTDOWN
  }

  /**
   * Extra key of common event COMMON_EVENT_BATTERY_CHANGED.
   *
   * @enum { string }
   * @syscap SystemCapability.PowerManager.BatteryManager.Core
   * @since 9
   */
  export enum CommonEventBatteryChangedKey {
    /**
     * Extra code of batterySOC.
     *
     * @syscap SystemCapability.PowerManager.BatteryManager.Core
     * @since 9
     */
    EXTRA_SOC = 'soc',
    /**
     * Extra code of chargingStatus.
     *
     * @syscap SystemCapability.PowerManager.BatteryManager.Core
     * @since 9
     */
    EXTRA_CHARGE_STATE = 'chargeState',
    /**
     * Extra code of healthStatus.
     *
     * @syscap SystemCapability.PowerManager.BatteryManager.Core
     * @since 9
     */
    EXTRA_HEALTH_STATE = 'healthState',
    /**
     * Extra code of pluggedType.
     *
     * @syscap SystemCapability.PowerManager.BatteryManager.Core
     * @since 9
     */
    EXTRA_PLUGGED_TYPE = 'pluggedType',
    /**
     * Extra code of voltage.
     *
     * @syscap SystemCapability.PowerManager.BatteryManager.Core
     * @since 9
     */
    EXTRA_VOLTAGE = 'voltage',
    /**
     * Extra code of technology.
     *
     * @syscap SystemCapability.PowerManager.BatteryManager.Core
     * @since 9
     */
    EXTRA_TECHNOLOGY = 'technology',
    /**
     * Extra code of batteryTemperature.
     *
     * @syscap SystemCapability.PowerManager.BatteryManager.Core
     * @since 9
     */
    EXTRA_TEMPERATURE = 'temperature',
    /**
     * Extra code of isBatteryPresent.
     *
     * @syscap SystemCapability.PowerManager.BatteryManager.Core
     * @since 9
     */
    EXTRA_PRESENT = 'present',
    /**
     * Extra code of batteryCapacityLevel.
     *
     * @syscap SystemCapability.PowerManager.BatteryManager.Core
     * @since 9
     */
    EXTRA_CAPACITY_LEVEL = 'capacityLevel'
  }
}
export default batteryInfo;