1 /* 2 * Copyright (c) 2022 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 VSYNC_VSYNC_RECEIVER_H 17 #define VSYNC_VSYNC_RECEIVER_H 18 19 #include <mutex> 20 #include <refbase.h> 21 22 namespace OHOS { 23 namespace Rosen { 24 enum VsyncError { 25 GSERROR_OK = 0, 26 }; 27 28 class VSyncCallBackListener { 29 public: 30 using VSyncCallback = std::function<void(int64_t, void*)>; 31 struct FrameCallback { 32 void *userData_; 33 VSyncCallback callback_; 34 }; 35 }; 36 37 class VSyncReceiver : public RefBase { 38 public: 39 using FrameCallback = VSyncCallBackListener::FrameCallback; 40 Init()41 VsyncError Init() 42 { 43 return GSERROR_OK; 44 } RequestNextVSync(FrameCallback callback)45 VsyncError RequestNextVSync(FrameCallback callback) 46 { 47 return GSERROR_OK; 48 } 49 }; 50 } // namespace Rosen 51 } // namespace OHOS 52 53 #endif 54