/* * 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. */ package ohos.hdi.display.composer.v1_0; import ohos.hdi.display.composer.v1_0.DisplayComposerType; [callback] interface IHotPlugCallback { /** * @brief the callback to be invoked when a hot plug event occurs. * * @param outputId Indicates the ID of the display device. * @param connected If the device is connected. * * @return Returns 0 if the operation is successful; returns an error code defined * in {@link DispErrCode} otherwise. * @since 4.0 * @version 1.0 */ OnHotPlug([in] unsigned int outputId, [in] boolean connected); }