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 TELEPHONY_STATE_MANAGER_H
17 #define TELEPHONY_STATE_MANAGER_H
18 
19 #include <stdint.h>
20 
21 namespace OHOS {
22 template<typename T>
23 class sptr;
24 namespace Telephony {
25 /**
26  * @brief Indicates the detailed state of call.
27  */
28 enum class CallStatus {
29     /**
30      * Indicates the call is unknown.
31      */
32     CALL_STATUS_UNKNOWN = -1,
33     /**
34      * Indicates the call is active.
35      */
36     CALL_STATUS_ACTIVE = 0,
37     /**
38      * Indicates the call is holding.
39      */
40     CALL_STATUS_HOLDING,
41     /**
42      * Indicates the call is dialing.
43      */
44     CALL_STATUS_DIALING,
45     /**
46      * Indicates the call is alerting.
47      */
48     CALL_STATUS_ALERTING,
49     /**
50      * Indicates the call is incoming.
51      */
52     CALL_STATUS_INCOMING,
53     /**
54      * Indicates the call is waiting.
55      */
56     CALL_STATUS_WAITING,
57     /**
58      * Indicates the call is disconnected.
59      */
60     CALL_STATUS_DISCONNECTED,
61     /**
62      * Indicates the call is disconnecting.
63      */
64     CALL_STATUS_DISCONNECTING,
65     /**
66      * Indicates the call is idle.
67      */
68     CALL_STATUS_IDLE,
69     /**
70      * Indicates the call is answered.
71      */
72     CALL_STATUS_ANSWERED,
73 };
74 
75 class TelephonyObserverBroker;
76 class TelephonyStateManager {
77 public:
78     static int32_t AddStateObserver(const sptr<TelephonyObserverBroker> &telephonyObserver,
79         int32_t slotId, uint32_t mask, bool notifyNow);
80     static int32_t RemoveStateObserver(int32_t slotId, uint32_t mask);
81 };
82 } // namespace Telephony
83 } // namespace OHOS
84 #endif // TELEPHONY_STATE_MANAGER_H