/*
 * Copyright (c) 2023 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.
 */

 /**
 * @addtogroup HdiLpfenceWififence
 * @{
 *
 * @brief Provides Wi-Fi fence APIs for the low-power fence service.
 *
 * You can use the APIs provided by this module to add or remove Wi-Fi fences, obtain Wi-Fi fence information of a device, and obtain the relationship between a device and a Wi-Fi fence.
 * The Wi-Fi fence feature is used to determine whether a device is in a specific indoor location, for example, an area at home or a store in a shopping mall.
 *
 * @since 4.0
 * @version 1.0
 */

/**
 * @file IWififenceCallback.idl
 *
 * @brief Declares the callbacks for the Wi-Fi fence module.
 *
 * @since 4.0
 * @version 1.0
 */

/**
 * @brief Declares the path of the Wi-Fi fence module interface package.
 *
 * @since 4.0
 */
package ohos.hdi.location.lpfence.wififence.v1_0;

/**
 * @brief Imports data types of the Wi-Fi fence module.
 *
 * @since 4.0
 */
import ohos.hdi.location.lpfence.wififence.v1_0.WififenceTypes;

/**
 * @brief Defines the callback for the Wi-Fi fence module.
 *
 * Before enabling the Wi-Fi fence feature, you need to register this callback to report the Wi-Fi fence status when the relationship between a Wi-Fi fence and a device changes.
 * For details, see {@link ICellfenceInterface}.
 *
 * @since 4.0
 */
[callback] interface IWififenceCallback {
    /**
     * @brief Called when the Wi-Fi fence status changes.
     *
     * This callback will be invoked to report the Wi-Fi fence status when the relationship between a device and a Wi-Fi fence changes.
     *
     * @param wififenceId Indicates the ID of the Wi-Fi fence.
     * @param transition Indicates the Wi-Fi fence status. For details, see {@link WififenceTransition}.
     * @param timestamp Indicates the timestamp.
     *
     * @return Returns <b>0</b> if the operation is successful.
     * @return Returns a negative value if the operation fails.
     *
     * @since 4.0
     */
    OnWififenceChanged([in] int wififenceId,
                       [in] int transition,
                       [in] long timestamp);

    /**
     * @brief Called to return the Wi-Fi fence information.
     *
     *
     *
     * @param size Indicates the Wi-Fi fence information obtained. For details, see {@link WififenceSize}.
     *
     * @return Returns <b>0</b> if the callback is invoked successfully.
     * @return Returns a negative value if the callback fails to be invoked.
     *
     * @since 4.0
     */
    OnGetWififenceSizeCb([in] struct WififenceSize size);

    /**
     * @brief Called when the low-power fence service is reset.
     *
     *
     *
     * @return Returns <b>0</b> if the callback is invoked successfully.
     * @return Returns a negative value if the callback fails to be invoked.
     *
     * @since 4.0
     */
    OnWififenceReset();
}
/** @} */