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 OHOS_HDI_DISPLAY_BUFFER_V1_1_METADATASERVICE_H 17 #define OHOS_HDI_DISPLAY_BUFFER_V1_1_METADATASERVICE_H 18 19 #include "v1_1/imetadata.h" 20 #include "idisplay_buffer_vdi.h" 21 namespace OHOS { 22 namespace HDI { 23 namespace Display { 24 namespace Buffer { 25 namespace V1_1 { 26 using OHOS::HDI::Display::Buffer::V1_0::IDisplayBufferVdi; 27 using OHOS::HDI::Display::Buffer::V1_0::CreateDisplayBufferVdiFunc; 28 using OHOS::HDI::Display::Buffer::V1_0::DestroyDisplayBufferVdiFunc; 29 class MetadataService : public OHOS::HDI::Display::Buffer::V1_1::IMetadata { 30 public: 31 MetadataService(); 32 virtual ~MetadataService(); 33 34 int32_t RegisterBuffer(const sptr<NativeBuffer>& handle) override; 35 36 int32_t SetMetadata(const sptr<NativeBuffer>& handle, uint32_t key, const std::vector<uint8_t>& value) override; 37 38 int32_t GetMetadata(const sptr<NativeBuffer>& handle, uint32_t key, std::vector<uint8_t>& value) override; 39 40 int32_t ListMetadataKeys(const sptr<NativeBuffer>& handle, std::vector<uint32_t>& keys) override; 41 42 int32_t EraseMetadataKey(const sptr<NativeBuffer>& handle, uint32_t key) override; 43 private: 44 int32_t LoadVdi(); 45 void* libHandle_; 46 IDisplayBufferVdi* vdiImpl_; 47 CreateDisplayBufferVdiFunc createVdi_; 48 DestroyDisplayBufferVdiFunc destroyVdi_; 49 }; 50 } // V1_1 51 } // Buffer 52 } // Display 53 } // HDI 54 } // OHOS 55 56 #endif // OHOS_HDI_DISPLAY_BUFFER_V1_1_METADATASERVICE_H