1 /* 2 * Copyright (c) 2021 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 OHOS_DCAMERA_PREVIEW_CALLBACK_H 17 #define OHOS_DCAMERA_PREVIEW_CALLBACK_H 18 19 #include <cstdint> 20 #include <memory> 21 22 #include "icamera_operator.h" 23 #include "preview_output.h" 24 25 namespace OHOS { 26 namespace DistributedHardware { 27 class DCameraPreviewCallback : public CameraStandard::PreviewStateCallback { 28 public: 29 explicit DCameraPreviewCallback(const std::shared_ptr<StateCallback>& callback); 30 void OnFrameStarted() const override; 31 void OnFrameEnded(const int32_t frameCount) const override; 32 void OnError(const int32_t errorCode) const override; 33 void OnSketchStatusDataChanged(const CameraStandard::SketchStatusData& statusData) const override; 34 35 private: 36 std::shared_ptr<StateCallback> callback_; 37 }; 38 } // namespace DistributedHardware 39 } // namespace OHOS 40 #endif // OHOS_DCAMERA_PREVIEW_CALLBACK_H