1 /*
2 * Copyright (C) 2020 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #define LOG_TAG "trout.audiocontrol@2.0"
18
19 #include "AudioControl.h"
20
21 #include <android-base/logging.h>
22 #include <hidl/HidlTransportSupport.h>
23
24 #include "CloseHandle.h"
25
26 namespace android::hardware::automotive::audiocontrol::V2_0::implementation {
27
28 using ::android::hardware::hidl_handle;
29 using ::android::hardware::hidl_string;
30
AudioControl(const std::string & audio_control_server_addr)31 AudioControl::AudioControl(const std::string& audio_control_server_addr)
32 : mAudioControlServer(MakeAudioControlServer(audio_control_server_addr)) {}
33
registerFocusListener(const sp<IFocusListener> & listener)34 Return<sp<ICloseHandle>> AudioControl::registerFocusListener(const sp<IFocusListener>& listener) {
35 LOG(DEBUG) << "registering focus listener";
36 sp<ICloseHandle> closeHandle(nullptr);
37
38 if (listener) {
39 closeHandle = new CloseHandle(mAudioControlServer->RegisterFocusListener(listener));
40 } else {
41 LOG(ERROR) << "Unexpected nullptr for listener resulting in no-op.";
42 }
43
44 return closeHandle;
45 }
46
setBalanceTowardRight(float)47 Return<void> AudioControl::setBalanceTowardRight(float) {
48 return Void();
49 }
50
setFadeTowardFront(float)51 Return<void> AudioControl::setFadeTowardFront(float) {
52 return Void();
53 }
54
onAudioFocusChange(hidl_bitfield<AudioUsage> usage,int zoneId,hidl_bitfield<AudioFocusChange> focusChange)55 Return<void> AudioControl::onAudioFocusChange(hidl_bitfield<AudioUsage> usage, int zoneId,
56 hidl_bitfield<AudioFocusChange> focusChange) {
57 LOG(INFO) << "Focus changed: " << toString(static_cast<AudioUsage>(focusChange))
58 << " for usage " << toString(static_cast<AudioFocusChange>(usage)) << " in zone "
59 << zoneId;
60 return Void();
61 }
62
debug(const hidl_handle &,const hidl_vec<hidl_string> &)63 Return<void> AudioControl::debug(const hidl_handle&, const hidl_vec<hidl_string>&) {
64 return Void();
65 }
66
isHealthy()67 bool AudioControl::isHealthy() {
68 // TODO(egranata, chenhaosjtuacm): fill this in with a real check
69 // e.g. add a heartbeat message to remote side
70 return true;
71 }
72
ServerStart()73 void AudioControl::ServerStart() {
74 mAudioControlServer->Start();
75 }
76
ServerJoin()77 void AudioControl::ServerJoin() {
78 mAudioControlServer->Join();
79 }
80
81 } // namespace android::hardware::automotive::audiocontrol::V2_0::implementation
82