1 /*
2  * Copyright (c) 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 ST_AUDIO_POLICY_CLIENT_H
17 #define ST_AUDIO_POLICY_CLIENT_H
18 
19 #include "ipc_types.h"
20 #include "iremote_broker.h"
21 #include "iremote_proxy.h"
22 #include "iremote_stub.h"
23 #include "audio_info.h"
24 #include "audio_system_manager.h"
25 #include "audio_interrupt_info.h"
26 #include "audio_stream_manager.h"
27 
28 namespace OHOS {
29 namespace AudioStandard {
30 static const int32_t UPDATE_CALLBACK_CLIENT = 0;
31 static const int32_t API_VERSION_MAX = 1000;
32 
33 enum class AudioPolicyClientCode {
34     ON_VOLUME_KEY_EVENT = 0,
35     ON_FOCUS_INFO_CHANGED,
36     ON_FOCUS_REQUEST_CHANGED,
37     ON_FOCUS_ABANDON_CHANGED,
38     ON_DEVICE_CHANGE,
39     ON_RINGERMODE_UPDATE,
40     ON_MIC_STATE_UPDATED,
41     ON_ACTIVE_OUTPUT_DEVICE_UPDATED,
42     ON_ACTIVE_INPUT_DEVICE_UPDATED,
43     ON_RENDERERSTATE_CHANGE,
44     ON_CAPTURERSTATE_CHANGE,
45     ON_RENDERER_DEVICE_CHANGE,
46     ON_RECREATE_RENDERER_STREAM_EVENT,
47     ON_RECREATE_CAPTURER_STREAM_EVENT,
48     ON_HEAD_TRACKING_DEVICE_CHANGE,
49     ON_SPATIALIZATION_ENABLED_CHANGE,
50     ON_SPATIALIZATION_ENABLED_CHANGE_FOR_ANY_DEVICE,
51     ON_HEAD_TRACKING_ENABLED_CHANGE,
52     ON_HEAD_TRACKING_ENABLED_CHANGE_FOR_ANY_DEVICE,
53     ON_AUDIO_SESSION_DEACTIVE,
54     ON_MICRO_PHONE_BLOCKED,
55     AUDIO_POLICY_CLIENT_CODE_MAX = ON_MICRO_PHONE_BLOCKED,
56 };
57 class IAudioPolicyClient : public IRemoteBroker {
58 public:
59     virtual void OnVolumeKeyEvent(VolumeEvent volumeEvent) = 0;
60     virtual void OnAudioFocusInfoChange(const std::list<std::pair<AudioInterrupt, AudioFocuState>> &focusInfoList) = 0;
61     virtual void OnAudioFocusRequested(const AudioInterrupt &requestFocus) = 0;
62     virtual void OnAudioFocusAbandoned(const AudioInterrupt &abandonFocus) = 0;
63     virtual void OnDeviceChange(const DeviceChangeAction &deviceChangeAction) = 0;
64     virtual void OnMicrophoneBlocked(const MicrophoneBlockedInfo &microphoneBlockedInfo) = 0;
65     virtual void OnRingerModeUpdated(const AudioRingerMode &ringerMode) = 0;
66     virtual void OnMicStateUpdated(const MicStateChangeEvent &micStateChangeEvent) = 0;
67     virtual void OnPreferredOutputDeviceUpdated(const std::vector<sptr<AudioDeviceDescriptor>> &desc) = 0;
68     virtual void OnPreferredInputDeviceUpdated(const std::vector<sptr<AudioDeviceDescriptor>> &desc) = 0;
69     virtual void OnRendererStateChange(
70         std::vector<std::unique_ptr<AudioRendererChangeInfo>> &audioRendererChangeInfos) = 0;
71     virtual void OnCapturerStateChange(
72         std::vector<std::unique_ptr<AudioCapturerChangeInfo>> &audioCapturerChangeInfos) = 0;
73     virtual void OnRendererDeviceChange(const uint32_t sessionId,
74         const DeviceInfo &deviceInfo, const AudioStreamDeviceChangeReasonExt reason) = 0;
75     virtual void OnRecreateRendererStreamEvent(const uint32_t sessionId, const int32_t streamFlag,
76         const AudioStreamDeviceChangeReasonExt reason) = 0;
77     virtual void OnRecreateCapturerStreamEvent(const uint32_t sessionId, const int32_t streamFlag,
78         const AudioStreamDeviceChangeReasonExt reason) = 0;
79     virtual void OnHeadTrackingDeviceChange(const std::unordered_map<std::string, bool> &changeInfo) = 0;
80     virtual void OnSpatializationEnabledChange(const bool &enabled) = 0;
81     virtual void OnSpatializationEnabledChangeForAnyDevice(const sptr<AudioDeviceDescriptor> &deviceDescriptor,
82         const bool &enabled) = 0;
83     virtual void OnHeadTrackingEnabledChange(const bool &enabled) = 0;
84     virtual void OnHeadTrackingEnabledChangeForAnyDevice(const sptr<AudioDeviceDescriptor> &deviceDescriptor,
85         const bool &enabled) = 0;
86     virtual void OnAudioSessionDeactive(const AudioSessionDeactiveEvent &deactiveEvent) = 0;
87 
88     bool hasBTPermission_ = true;
89     bool hasSystemPermission_ = true;
90     int32_t apiVersion_ = API_VERSION_MAX;
91 
92 public:
93     DECLARE_INTERFACE_DESCRIPTOR(u"IAudioPolicyClient");
94 };
95 } // namespace AudioStandard
96 } // namespace OHOS
97 #endif // ST_AUDIO_POLICY_CLIENT_H
98