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 FOUNDATION_ACE_INTERFACE_INNERKITS_IMAGE_ANALYZER_LOADER_H
17 #define FOUNDATION_ACE_INTERFACE_INNERKITS_IMAGE_ANALYZER_LOADER_H
18 
19 #define NAPI_VERSION 8
20 
21 #include <memory>
22 #include "interfaces/inner_api/ace/ai/image_analyzer_interface.h"
23 
24 namespace OHOS::Ace {
25 using ImageAnalyzerInstance = std::unique_ptr<ImageAnalyzerInterface, std::function<void (ImageAnalyzerInterface*)>>;
26 
27 class ImageAnalyzerLoader : public std::enable_shared_from_this<ImageAnalyzerLoader> {
28 public:
29     static std::shared_ptr<ImageAnalyzerLoader> Load();
30     ~ImageAnalyzerLoader();
31     ImageAnalyzerLoader() = default;
32 
33     ImageAnalyzerLoader(const ImageAnalyzerLoader&) = delete;
34     ImageAnalyzerLoader(ImageAnalyzerLoader&&) = delete;
35     ImageAnalyzerLoader& operator=(const ImageAnalyzerLoader&) = delete;
36     ImageAnalyzerLoader& operator=(ImageAnalyzerLoader&&) = delete;
37     ImageAnalyzerInstance CreateImageAnalyzer();
38 
39 private:
40     bool Init();
41     void Close();
42 
43     void *libraryHandle_ = nullptr;
44     ImageAnalyzerInterface* (*createImageAnalyzerInstance_)(napi_env) = nullptr;
45     void (*destroyImageAnalyzerInstance_)(ImageAnalyzerInterface*) = nullptr;
46 };
47 } // namespace OHOS::Ace
48 #endif // FOUNDATION_ACE_INTERFACE_INNERKITS_IMAGE_ANALYZER_LOADER_H
49