1 /*
2  * Copyright (c) 2022 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_SESSION_STACK_H
17 #define OHOS_SESSION_STACK_H
18 
19 #include <string>
20 
21 #include "session_container.h"
22 
23 namespace OHOS::AVSession {
24 class SessionStack : public SessionContainer {
25 public:
26     int32_t AddSession(pid_t pid, const std::string& abilityName, sptr<AVSessionItem>& item) override;
27 
28     std::vector<sptr<AVSessionItem>> RemoveSession(pid_t pid) override;
29 
30     sptr<AVSessionItem> RemoveSession(pid_t pid, const std::string& abilityName) override;
31 
32     sptr<AVSessionItem> RemoveSession(const std::string& sessionId) override;
33 
34     sptr<AVSessionItem> GetSession(pid_t pid, const std::string& abilityName) override;
35 
36     std::vector<sptr<AVSessionItem>> GetSessionsByPid(pid_t pid) override;
37 
38     bool PidHasSession(pid_t pid) override;
39 
40     sptr<AVSessionItem> GetSessionById(const std::string& sessionId) override;
41 
42     std::vector<sptr<AVSessionItem>> GetAllSessions() override;
43 
44     void UpdateSessionSort(sptr<AVSessionItem>& item) override;
45 
46     bool IsEmpty() override;
47 
48     int32_t getAllSessionNum() override;
49 
50 private:
51     std::map<std::pair<pid_t, std::string>, sptr<AVSessionItem>> sessions_;
52     std::list<sptr<AVSessionItem>> stack_;
53     std::recursive_mutex sessionStackLock_;
54 };
55 } // namespace OHOS::AVSession
56 #endif // OHOS_SESSION_STACK_H
57