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 #include "audio_micstatechange_callback_napi.h"
17
18 #include <uv.h>
19
20 #include "audio_errors.h"
21 #include "audio_log.h"
22
23 namespace OHOS {
24 namespace AudioStandard {
AudioManagerMicStateChangeCallbackNapi(napi_env env)25 AudioManagerMicStateChangeCallbackNapi::AudioManagerMicStateChangeCallbackNapi(napi_env env)
26 : env_(env)
27 {
28 AUDIO_DEBUG_LOG("AudioManagerMicStateChangeCallbackNapi: instance create");
29 }
30
~AudioManagerMicStateChangeCallbackNapi()31 AudioManagerMicStateChangeCallbackNapi::~AudioManagerMicStateChangeCallbackNapi()
32 {
33 AUDIO_DEBUG_LOG("AudioManagerCallbackNapi: instance destroy");
34 }
35
SaveCallbackReference(const std::string & callbackName,napi_value args)36 void AudioManagerMicStateChangeCallbackNapi::SaveCallbackReference(const std::string &callbackName, napi_value args)
37 {
38 std::lock_guard<std::mutex> lock(mutex_);
39 napi_ref callback = nullptr;
40 const int32_t refCount = 1;
41 napi_status status = napi_create_reference(env_, args, refCount, &callback);
42 CHECK_AND_RETURN_LOG(status == napi_ok && callback != nullptr,
43 "AudioManagerMicStateChangeCallbackNapi: creating reference for callback fail");
44
45 std::shared_ptr<AutoRef> cb = std::make_shared<AutoRef>(env_, callback);
46 if (callbackName == MIC_STATE_CHANGE_CALLBACK_NAME) {
47 micStateChangeCallback_ = cb;
48 } else {
49 AUDIO_ERR_LOG("AudioManagerMicStateChangeCallbackNapi:Unknown callback type:%{public}s", callbackName.c_str());
50 }
51 }
52
SetValueBoolean(const napi_env & env,const std::string & fieldStr,const bool boolValue,napi_value & result)53 static void SetValueBoolean(const napi_env &env, const std::string &fieldStr, const bool boolValue, napi_value &result)
54 {
55 napi_value value;
56 napi_get_boolean(env, boolValue, &value);
57 napi_set_named_property(env, result, fieldStr.c_str(), value);
58 }
59
NativeMicStateChangeToJsObj(const napi_env & env,napi_value & jsObj,const MicStateChangeEvent & micStateChangeEvent)60 static void NativeMicStateChangeToJsObj(const napi_env &env, napi_value &jsObj,
61 const MicStateChangeEvent &micStateChangeEvent)
62 {
63 napi_create_object(env, &jsObj);
64 SetValueBoolean(env, "mute", micStateChangeEvent.mute, jsObj);
65 }
66
OnMicStateUpdated(const MicStateChangeEvent & micStateChangeEvent)67 void AudioManagerMicStateChangeCallbackNapi::OnMicStateUpdated(const MicStateChangeEvent &micStateChangeEvent)
68 {
69 std::lock_guard<std::mutex> lock(mutex_);
70 CHECK_AND_RETURN_LOG(micStateChangeCallback_ != nullptr, "callback not registered by JS client");
71
72 std::unique_ptr<AudioManagerMicStateChangeJsCallback> cb = std::make_unique<AudioManagerMicStateChangeJsCallback>();
73 CHECK_AND_RETURN_LOG(cb != nullptr, "No memory");
74
75 cb->callback = micStateChangeCallback_;
76 cb->callbackName = MIC_STATE_CHANGE_CALLBACK_NAME;
77 cb->micStateChangeEvent = micStateChangeEvent;
78 return OnJsCallbackMicStateChange(cb);
79 }
80
OnJsCallbackMicStateChange(std::unique_ptr<AudioManagerMicStateChangeJsCallback> & jsCb)81 void AudioManagerMicStateChangeCallbackNapi::OnJsCallbackMicStateChange
82 (std::unique_ptr<AudioManagerMicStateChangeJsCallback> &jsCb)
83 {
84 uv_loop_s *loop = nullptr;
85 napi_get_uv_event_loop(env_, &loop);
86 if (loop == nullptr) {
87 return;
88 }
89
90 uv_work_t *work = new(std::nothrow) uv_work_t;
91 if (work == nullptr) {
92 AUDIO_ERR_LOG("AudioManagerCallbackNapi: OnJsCallbackMicStateChange: No memory");
93 return;
94 }
95
96 if (jsCb.get() == nullptr) {
97 AUDIO_ERR_LOG("AudioManagerCallbackNapi: OnJsCallbackMicStateChange: jsCb.get() is null");
98 delete work;
99 return;
100 }
101
102 work->data = reinterpret_cast<void *>(jsCb.get());
103
104 int ret = uv_queue_work(loop, work, [] (uv_work_t *work) {}, [] (uv_work_t *work, int status) {
105 // Js Thread
106 AudioManagerMicStateChangeJsCallback *event =
107 reinterpret_cast<AudioManagerMicStateChangeJsCallback *>(work->data);
108 std::string request = event->callbackName;
109 napi_env env = event->callback->env_;
110 napi_ref callback = event->callback->cb_;
111 AUDIO_DEBUG_LOG("AudioManagerCallbackNapi: JsCallBack %{public}s, uv_queue_work start", request.c_str());
112 do {
113 CHECK_AND_BREAK_LOG(status != UV_ECANCELED, "%{public}s canceled", request.c_str());
114
115 napi_value jsCallback = nullptr;
116 napi_status nstatus = napi_get_reference_value(env, callback, &jsCallback);
117 CHECK_AND_BREAK_LOG(nstatus == napi_ok && jsCallback != nullptr, "%{public}s get reference value fail",
118 request.c_str());
119
120 // Call back function
121 napi_value args[1] = { nullptr };
122
123 NativeMicStateChangeToJsObj(env, args[0], event->micStateChangeEvent);
124 CHECK_AND_BREAK_LOG(nstatus == napi_ok && args[0] != nullptr,
125 "%{public}s fail to create DeviceChange callback", request.c_str());
126
127 const size_t argCount = 1;
128 napi_value result = nullptr;
129 nstatus = napi_call_function(env, nullptr, jsCallback, argCount, args, &result);
130 CHECK_AND_BREAK_LOG(nstatus == napi_ok, "%{public}s fail to call DeviceChange callback", request.c_str());
131 } while (0);
132 delete event;
133 delete work;
134 });
135 if (ret != 0) {
136 AUDIO_ERR_LOG("Failed to execute libuv work queue");
137 delete work;
138 } else {
139 jsCb.release();
140 }
141 }
142 } // namespace AudioStandard
143 } // namespace OHOS
144