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 IMS_CONFERENCE_H 17 #define IMS_CONFERENCE_H 18 19 #include "singleton.h" 20 #include "conference_base.h" 21 22 namespace OHOS { 23 namespace Telephony { 24 class ImsConference : public ConferenceBase { 25 DECLARE_DELAYED_SINGLETON(ImsConference) 26 public: 27 int32_t JoinToConference(int32_t callId) override; 28 int32_t LeaveFromConference(int32_t callId) override; 29 int32_t HoldConference(int32_t callId) override; 30 int32_t CanCombineConference() override; 31 int32_t CanSeparateConference() override; 32 int32_t CanKickOutFromConference() override; 33 34 private: 35 uint32_t maxSubCallLimits_; 36 }; 37 } // namespace Telephony 38 } // namespace OHOS 39 40 #endif 41