/*
 * Copyright (c) 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.
 */

/**
 * @addtogroup HdfFaceAuth
 * @{
 *
 * @brief Provides APIs for the face auth driver.
 *
 * The face auth driver provides a unified interface for the face auth service to access the face auth driver.
 * After obtaining the face auth driver proxy, the service can call related APIs to obtain executors.
 * After obtaining the face auth executors, the service can call related APIs to get executor information, get
 * template information, and enroll, authenticate, and delete templates, etc.
 *
 * @since 3.2
 */

/**
 * @file IExecutorCallback.idl
 *
 * @brief Defines the callback for an async API, which can be used to report operation results or information
 * of the async API.
 *
 * @since 3.2
 */

package ohos.hdi.face_auth.v1_0;

/**
 * @brief Defines the callback for an async API, which can be used to report operation results or information
 * of the async API. See {@link IExecutor}.
 *
 * @since 3.2
 * @version 1.0
 */
[callback] interface IExecutorCallback {
    /**
     * @brief Defines the function for reporting operation results. 
     *
     * @param result Indicates the result code.
     * @param extraInfo Indicates extra information to report.
     *
     * @return Returns <b>0</b> if the operation is successful.
     * @return Returns a non-zero value if the operation fails.
     */
    OnResult([in] int result, [in] unsigned char[] extraInfo);
    /**
     * @brief Defines the function for reporting information in process. 
     *
     * @param tip Indicates tip code. See {@link FaceTipsCode}.
     * @param extraInfo Indicates extra information to report.
     *
     * @return Returns <b>0</b> if the operation is successful.
     * @return Returns a non-zero value if the operation fails.
     */
    OnTip([in] int tip, [in] unsigned char[] extraInfo);
}
/** @} */