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 #include <mutex>
22 namespace OHOS {
23 namespace HDI {
24 namespace Display {
25 namespace Buffer {
26 namespace V1_1 {
27 using OHOS::HDI::Display::Buffer::V1_0::IDisplayBufferVdi;
28 using OHOS::HDI::Display::Buffer::V1_0::CreateDisplayBufferVdiFunc;
29 using OHOS::HDI::Display::Buffer::V1_0::DestroyDisplayBufferVdiFunc;
30 class MetadataService : public OHOS::HDI::Display::Buffer::V1_1::IMetadata {
31 public:
32     MetadataService();
33     virtual ~MetadataService();
34 
35     int32_t RegisterBuffer(const sptr<NativeBuffer>& handle) override;
36 
37     int32_t SetMetadata(const sptr<NativeBuffer>& handle, uint32_t key, const std::vector<uint8_t>& value) override;
38 
39     int32_t GetMetadata(const sptr<NativeBuffer>& handle, uint32_t key, std::vector<uint8_t>& value) override;
40 
41     int32_t ListMetadataKeys(const sptr<NativeBuffer>& handle, std::vector<uint32_t>& keys) override;
42 
43     int32_t EraseMetadataKey(const sptr<NativeBuffer>& handle, uint32_t key) override;
44 private:
45     int32_t LoadVdi();
46     std::mutex mutex_;
47     void* libHandle_;
48     IDisplayBufferVdi* vdiImpl_;
49     CreateDisplayBufferVdiFunc createVdi_;
50     DestroyDisplayBufferVdiFunc destroyVdi_;
51 };
52 } // V1_1
53 } // Buffer
54 } // Display
55 } // HDI
56 } // OHOS
57 
58 #endif // OHOS_HDI_DISPLAY_BUFFER_V1_1_METADATASERVICE_H