1 /* 2 * Copyright (c) 2022-2023 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_ISESSION_LISTENER_H 17 #define OHOS_ISESSION_LISTENER_H 18 19 #include "iremote_broker.h" 20 #include "avsession_info.h" 21 22 namespace OHOS::AVSession { 23 class ISessionListener : public IRemoteBroker { 24 public: 25 DECLARE_INTERFACE_DESCRIPTOR(u"ohos.avsession.ISessionListener"); 26 27 enum { 28 LISTENER_CMD_ON_CREATE, 29 LISTENER_CMD_ON_RELEASE, 30 LISTENER_CMD_TOP_CHANGED, 31 LISTENER_CMD_AUDIO_CHECKED, 32 LISTENER_CMD_DEVICE_AVAILABLE, 33 LISTENER_CMD_DEVICE_OFFLINE, 34 LISTENER_CMD_MAX 35 }; 36 37 virtual void OnSessionCreate(const AVSessionDescriptor& descriptor) = 0; 38 39 virtual void OnSessionRelease(const AVSessionDescriptor& descriptor) = 0; 40 41 virtual void OnTopSessionChange(const AVSessionDescriptor& descriptor) = 0; 42 43 virtual void OnAudioSessionChecked(const int32_t uid) = 0; 44 45 virtual void OnDeviceAvailable(const OutputDeviceInfo& castOutputDeviceInfo) = 0; 46 47 virtual void OnDeviceOffline(const std::string& deviceId) = 0; 48 }; 49 } 50 #endif // OHOS_ISESSION_LISTENER_H 51