1 /*
2  * Copyright (c) 2022 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 I_STANDARD_CLIENT_TRACKER_H
17 #define I_STANDARD_CLIENT_TRACKER_H
18 
19 #include "ipc_types.h"
20 #include "iremote_broker.h"
21 #include "iremote_proxy.h"
22 #include "iremote_stub.h"
23 
24 namespace OHOS {
25 namespace AudioStandard {
26 class IStandardClientTracker : public IRemoteBroker {
27 public:
28     virtual ~IStandardClientTracker() = default;
29 
30     virtual void PausedStreamImpl(const StreamSetStateEventInternal &streamSetStateEventInternal) = 0;
31     virtual void ResumeStreamImpl(const StreamSetStateEventInternal &streamSetStateEventInternal) = 0;
32     virtual void SetLowPowerVolumeImpl(float volume) = 0;
33     virtual void GetLowPowerVolumeImpl(float& volume) = 0;
34     virtual void SetOffloadModeImpl(int32_t state, bool isAppBack) = 0;
35     virtual void UnsetOffloadModeImpl() = 0;
36     virtual void GetSingleStreamVolumeImpl(float& volume) = 0;
37 
38     enum AudioClientTrackerMsg {
39         ON_ERROR = 0,
40         ON_INIT,
41         SETLOWPOWERVOL,
42         GETLOWPOWERVOL,
43         PAUSEDSTREAM,
44         RESUMESTREAM,
45         GETSINGLESTREAMVOL,
46         SETOFFLOADMODE,
47         UNSETOFFLOADMODE,
48     };
49 
50     DECLARE_INTERFACE_DESCRIPTOR(u"IStandardClientTracker");
51 };
52 } // namespace AudioStandard
53 } // namespace OHOS
54 #endif // I_STANDARD_CLIENT_TRACKER_H
55