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 MEDIA_SCAN_EXECUTOR_H
17 #define MEDIA_SCAN_EXECUTOR_H
18 
19 #include <string>
20 #include <iostream>
21 #include <queue>
22 #include <memory>
23 
24 #include "media_scanner.h"
25 
26 namespace OHOS {
27 namespace Media {
28 class MediaScanExecutor {
29 public:
30     MediaScanExecutor() = default;
31     virtual ~MediaScanExecutor() = default;
32 
33     int32_t Commit(std::unique_ptr<MediaScannerObj> scanner);
34 
35     void Start();
36     void Stop();
37 
38 private:
39     void HandleScanExecution();
40 
41     const size_t MAX_THREAD = 4;
42     size_t activeThread_ = 0;
43 
44     std::queue<std::unique_ptr<MediaScannerObj>> queue_;
45     std::mutex queueMutex_;
46 
47     std::shared_ptr<bool> stopFlag_ = make_shared<bool>(false);
48     int32_t sleepTime_ = 200;
49 };
50 } // namespace Media
51 } // namespace OHOS
52 
53 #endif /* MEDIA_SCAN_EXECUTOR_H */
54