1 /* 2 * Copyright (c) 2023 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef DISPLAY_COMMON_H 17 #define DISPLAY_COMMON_H 18 19 #include <functional> 20 21 namespace OHOS { 22 namespace HDI { 23 namespace Display { 24 25 typedef void (*HotPlugCallback)(uint32_t devId, bool connected, void* data); 26 typedef void (*VBlankCallback)(unsigned int sequence, uint64_t ns, void* data); 27 typedef void (*RefreshCallback)(uint32_t devId, void* data); 28 29 } // namespace Display 30 } // namespace HDI 31 } // namespace OHOS 32 #endif /* DISPLAY_COMMON_H */ 33