1 /*
2  * Copyright (c) Huawei Technologies Co., Ltd. 2024-2024. All rights reserved.
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 IN_CALL_OBSERVER_H
17 #define IN_CALL_OBSERVER_H
18 
19 #include <mutex>
20 #include <vector>
21 #include <unordered_map>
22 #include <chrono>
23 #include <atomic>
24 #include "media_telephony_listener.h"
25 #include "screen_capture.h"
26 
27 namespace OHOS {
28 namespace Media {
29 
30 class InCallObserverCallBack {
31 public:
32     virtual ~InCallObserverCallBack() = default;
33     virtual bool StopAndRelease(AVScreenCaptureStateCode state);
34 };
35 
36 class InCallObserver {
37 public:
38 
39     static InCallObserver& GetInstance();
40     bool RegisterObserver();
41     void UnRegisterObserver();
42     bool OnCallStateUpdated(bool inCall);
43     bool IsInCall();
44     bool RegisterInCallObserverCallBack(std::weak_ptr<InCallObserverCallBack> inCallObserverCallBack);
45     void UnRegisterInCallObserverCallBack();
46 
47 private:
48 
49     std::vector<MediaTelephonyListener *> mediaTelephonyListeners_;
50     std::weak_ptr<InCallObserverCallBack> inCallObserverCallBack_;
51     InCallObserver();
52     ~InCallObserver();
53     std::atomic<bool> inCall_{false};
54     std::mutex mutex_;
55     bool Init();
56     bool isTelephonyStateListenerDied_ = true;
57 };
58 }
59 }
60 #endif // IN_CALL_OBSERVER_H