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_V1_1_IDISPLAY_BUFFER_H
17 #define OHOS_HDI_DISPLAY_V1_1_IDISPLAY_BUFFER_H
18 
19 #include "v1_0/include/idisplay_buffer.h"
20 
21 namespace OHOS {
22 namespace HDI {
23 namespace Display {
24 namespace Buffer {
25 namespace V1_1 {
26 class IDisplayBuffer : public V1_0::IDisplayBuffer {
27 public:
28     virtual ~IDisplayBuffer() = default;
29 
30     /**
31      * @brief Obtains all interfaces of IDisplayBuffer.
32      *
33      * @return Returns <b>IDisplayBuffer*</b> if the operation is successful; returns an null point otherwise.
34      * @since 4.0
35      * @version 1.0
36      */
37     static IDisplayBuffer *Get();
38     virtual int32_t RegisterBuffer(const BufferHandle& handle) = 0;
39     virtual int32_t SetMetadata(const BufferHandle& handle, uint32_t key, const std::vector<uint8_t>& value) = 0;
40     virtual int32_t GetMetadata(const BufferHandle& handle, uint32_t key, std::vector<uint8_t>& value) = 0;
41     virtual int32_t ListMetadataKeys(const BufferHandle& handle, std::vector<uint32_t>& keys) = 0;
42     virtual int32_t EraseMetadataKey(const BufferHandle& handle, uint32_t key) = 0;
43 };
44 } // namespace V1_1
45 } // namespace Buffer
46 } // namespace Display
47 } // namespace HDI
48 } // namespace OHOS
49 
50 #endif // OHOS_HDI_DISPLAY_V1_1_IDISPLAY_BUFFER_H
51