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 CONFERENCE_BASE_H
17 #define CONFERENCE_BASE_H
18 
19 #include <unistd.h>
20 #include <cstdio>
21 #include <cstdlib>
22 #include <set>
23 #include <memory>
24 #include <mutex>
25 
26 #include "call_manager_inner_type.h"
27 
28 namespace OHOS {
29 namespace Telephony {
30 constexpr uint16_t CS_CONFERENCE_MIN_CALLS_CNT = 2;
31 constexpr uint16_t CS_CONFERENCE_MAX_CALLS_CNT = 5;
32 
33 enum ConferenceState {
34     CONFERENCE_STATE_IDLE = 0,
35     CONFERENCE_STATE_CREATING,
36     CONFERENCE_STATE_HOLDING,
37     CONFERENCE_STATE_ACTIVE,
38     CONFERENCE_STATE_LEAVING,
39 };
40 
41 class ConferenceBase {
42 public:
43     ConferenceBase();
44     virtual ~ConferenceBase();
45     int32_t GetMainCall(); // get host call id
46     int32_t SetMainCall(int32_t callId);
47     ConferenceState GetConferenceState();
48     void SetConferenceState(ConferenceState state);
49     virtual int32_t JoinToConference(int32_t callId) = 0;
50     virtual int32_t LeaveFromConference(int32_t callId) = 0;
51     virtual int32_t HoldConference(int32_t callId) = 0;
52     virtual int32_t CanCombineConference() = 0;
53     virtual int32_t CanSeparateConference() = 0;
54     virtual int32_t CanKickOutFromConference() = 0;
55     int32_t GetSubCallIdList(
56         int32_t callId, std::vector<std::u16string> &callIdList); // get participant list except host
57     std::set<int32_t> GetSubCallIdList();
58     int32_t GetCallIdListForConference(
59         int32_t callId, std::vector<std::u16string> &callIdList); // get participant list besides host
60     ConferenceState GetOldConferenceState();
61     void SetOldConferenceState(ConferenceState state);
62     int32_t IsConferenceCallForMutiSim(int32_t callId);
63 
64 protected:
65     int32_t mainCallId_;
66     ConferenceState state_;
67     ConferenceState oldState_;
68     std::set<int32_t> subCallIdSet_;
69     std::mutex conferenceMutex_;
70     time_t beginTime_;
71     CallType conferenceType_;
72 };
73 } // namespace Telephony
74 } // namespace OHOS
75 
76 #endif
77