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 #ifndef LOG_TAG
16 #define LOG_TAG "NapiAudioManagerInterruptCallback"
17 #endif
18
19 #include "js_native_api.h"
20 #include "napi_audio_manager_interrupt_callback.h"
21 #include "napi_audio_enum.h"
22 #include "napi_audio_error.h"
23 #include "napi_param_utils.h"
24 #include "audio_errors.h"
25 #include "audio_manager_log.h"
26 #include "napi_audio_manager_callbacks.h"
27
28 namespace OHOS {
29 namespace AudioStandard {
NapiAudioManagerInterruptCallback(napi_env env)30 NapiAudioManagerInterruptCallback::NapiAudioManagerInterruptCallback(napi_env env)
31 : env_(env)
32 {
33 AUDIO_INFO_LOG("instance create");
34 }
35
~NapiAudioManagerInterruptCallback()36 NapiAudioManagerInterruptCallback::~NapiAudioManagerInterruptCallback()
37 {
38 if (regAmInterruptTsfn_) {
39 napi_release_threadsafe_function(amInterruptTsfn_, napi_tsfn_abort);
40 }
41 AUDIO_INFO_LOG("instance destroy");
42 }
43
SaveCallbackReference(const std::string & callbackName,napi_value args)44 void NapiAudioManagerInterruptCallback::SaveCallbackReference(const std::string &callbackName, napi_value args)
45 {
46 CHECK_AND_RETURN_LOG(!callbackName.compare(INTERRUPT_CALLBACK_NAME),
47 "SaveCallbackReference: Unknown callback type: %{public}s", callbackName.c_str());
48
49 std::lock_guard<std::mutex> lock(mutex_);
50 bool isSameCallback = true;
51 for (auto it = audioManagerInterruptCallbackList_.begin(); it != audioManagerInterruptCallbackList_.end(); ++it) {
52 isSameCallback = NapiAudioManagerCallback::IsSameCallback(env_, args, (*it)->cb_);
53 CHECK_AND_RETURN_LOG(!isSameCallback, "SaveCallbackReference: the callback already exists");
54 }
55 napi_ref callback = nullptr;
56 const int32_t refCount = 1;
57 napi_status status = napi_create_reference(env_, args, refCount, &callback);
58 CHECK_AND_RETURN_LOG(status == napi_ok && callback != nullptr,
59 "SaveCallbackReference: creating reference for callback fail");
60 std::shared_ptr<AutoRef> cb = std::make_shared<AutoRef>(env_, callback);
61 audioManagerInterruptCallbackList_.push_back(cb);
62 AUDIO_INFO_LOG("SaveCallbackReference success, list size [%{public}zu]", audioManagerInterruptCallbackList_.size());
63 }
64
CreateManagerInterruptTsfn(napi_env env)65 void NapiAudioManagerInterruptCallback::CreateManagerInterruptTsfn(napi_env env)
66 {
67 regAmInterruptTsfn_ = true;
68 napi_value cbName;
69 std::string callbackName = "ManagerInterrupt";
70 napi_create_string_utf8(env, callbackName.c_str(), callbackName.length(), &cbName);
71 napi_create_threadsafe_function(env, nullptr, nullptr, cbName, 0, 1, nullptr,
72 AudioManagerInterruptTsfnFinalize, nullptr, SafeJsCallbackAudioManagerInterruptWork,
73 &amInterruptTsfn_);
74 }
75
GetManagerInterruptTsfnFlag()76 bool NapiAudioManagerInterruptCallback::GetManagerInterruptTsfnFlag()
77 {
78 return regAmInterruptTsfn_;
79 }
80
RemoveCallbackReference(const std::string & callbackName,napi_value args)81 void NapiAudioManagerInterruptCallback::RemoveCallbackReference(const std::string &callbackName, napi_value args)
82 {
83 CHECK_AND_RETURN_LOG(!callbackName.compare(INTERRUPT_CALLBACK_NAME),
84 "RemoveCallbackReference: Unknown callback type: %{public}s", callbackName.c_str());
85
86 std::lock_guard<std::mutex> lock(mutex_);
87 for (auto it = audioManagerInterruptCallbackList_.begin(); it != audioManagerInterruptCallbackList_.end(); ++it) {
88 bool isSameCallback = NapiAudioManagerCallback::IsSameCallback(env_, args, (*it)->cb_);
89 if (isSameCallback) {
90 audioManagerInterruptCallbackList_.erase(it);
91 AUDIO_INFO_LOG("RemoveCallbackReference success, list size [%{public}zu]",
92 audioManagerInterruptCallbackList_.size());
93 return;
94 }
95 }
96 AUDIO_ERR_LOG("RemoveCallbackReference: js callback no find");
97 }
98
RemoveAllCallbackReferences(const std::string & callbackName)99 void NapiAudioManagerInterruptCallback::RemoveAllCallbackReferences(const std::string &callbackName)
100 {
101 CHECK_AND_RETURN_LOG(!callbackName.compare(INTERRUPT_CALLBACK_NAME),
102 "RemoveCallbackReference: Unknown callback type: %{public}s", callbackName.c_str());
103
104 std::lock_guard<std::mutex> lock(mutex_);
105 audioManagerInterruptCallbackList_.clear();
106 AUDIO_INFO_LOG("RemoveAllCallbackReference: remove all js callbacks success");
107 }
108
GetInterruptCallbackListSize()109 int32_t NapiAudioManagerInterruptCallback::GetInterruptCallbackListSize()
110 {
111 std::lock_guard<std::mutex> lock(mutex_);
112 return audioManagerInterruptCallbackList_.size();
113 }
114
OnInterrupt(const InterruptAction & interruptAction)115 void NapiAudioManagerInterruptCallback::OnInterrupt(const InterruptAction &interruptAction)
116 {
117 std::lock_guard<std::mutex> lock(mutex_);
118 AUDIO_INFO_LOG("OnInterrupt action: %{public}d IntType: %{public}d, IntHint: %{public}d, activated: %{public}d",
119 interruptAction.actionType, interruptAction.interruptType, interruptAction.interruptHint,
120 interruptAction.activated);
121 CHECK_AND_RETURN_LOG(audioManagerInterruptCallbackList_.size() != 0,
122 "Cannot find the reference of interrupt callback");
123 for (auto it = audioManagerInterruptCallbackList_.begin(); it != audioManagerInterruptCallbackList_.end(); ++it) {
124 std::unique_ptr<AudioManagerInterruptJsCallback> cb = std::make_unique<AudioManagerInterruptJsCallback>();
125 CHECK_AND_RETURN_LOG(cb != nullptr, "No memory");
126 cb->callback = *it;
127 cb->callbackName = INTERRUPT_CALLBACK_NAME;
128 cb->interruptAction = interruptAction;
129 OnJsCallbackAudioManagerInterrupt(cb);
130 }
131 }
132
SafeJsCallbackAudioManagerInterruptWork(napi_env env,napi_value js_cb,void * context,void * data)133 void NapiAudioManagerInterruptCallback::SafeJsCallbackAudioManagerInterruptWork(
134 napi_env env, napi_value js_cb, void *context, void *data)
135 {
136 AudioManagerInterruptJsCallback *event = reinterpret_cast<AudioManagerInterruptJsCallback *>(data);
137 CHECK_AND_RETURN_LOG((event != nullptr) && (event->callback != nullptr),
138 "OnJsCallbackAudioManagerInterrupt: no memory");
139 std::shared_ptr<AudioManagerInterruptJsCallback> safeContext(
140 static_cast<AudioManagerInterruptJsCallback*>(data),
141 [](AudioManagerInterruptJsCallback *ptr) {
142 delete ptr;
143 });
144 std::string request = event->callbackName;
145 napi_ref callback = event->callback->cb_;
146 napi_handle_scope scope = nullptr;
147 napi_open_handle_scope(env, &scope);
148 CHECK_AND_RETURN_LOG(scope != nullptr, "scope is nullptr");
149 AUDIO_INFO_LOG("SafeJsCallbackAudioManagerInterruptWork: safe js callback working.");
150
151 do {
152 napi_value jsCallback = nullptr;
153 napi_status nstatus = napi_get_reference_value(env, callback, &jsCallback);
154 CHECK_AND_BREAK_LOG(nstatus == napi_ok && jsCallback != nullptr, "%{public}s get reference value fail",
155 request.c_str());
156 napi_value args[ARGS_ONE] = { nullptr };
157 NapiParamUtils::SetValueInterruptAction(env, event->interruptAction, args[PARAM0]);
158 CHECK_AND_BREAK_LOG(nstatus == napi_ok && args[PARAM0] != nullptr,
159 "%{public}s fail to create Interrupt callback", request.c_str());
160
161 const size_t argCount = ARGS_ONE;
162 napi_value result = nullptr;
163 nstatus = napi_call_function(env, nullptr, jsCallback, argCount, args, &result);
164 CHECK_AND_BREAK_LOG(nstatus == napi_ok, "%{public}s fail to call Interrupt callback",
165 request.c_str());
166 } while (0);
167 napi_close_handle_scope(env, scope);
168 }
169
AudioManagerInterruptTsfnFinalize(napi_env env,void * data,void * hint)170 void NapiAudioManagerInterruptCallback::AudioManagerInterruptTsfnFinalize(napi_env env, void *data, void *hint)
171 {
172 AUDIO_INFO_LOG("AudioManagerInterruptTsfnFinalize: safe thread resource release.");
173 }
174
OnJsCallbackAudioManagerInterrupt(std::unique_ptr<AudioManagerInterruptJsCallback> & jsCb)175 void NapiAudioManagerInterruptCallback::OnJsCallbackAudioManagerInterrupt(
176 std::unique_ptr<AudioManagerInterruptJsCallback> &jsCb)
177 {
178 if (jsCb.get() == nullptr) {
179 AUDIO_ERR_LOG("OnJsCallbackRendererState: jsCb.get() is null");
180 return;
181 }
182
183 AudioManagerInterruptJsCallback *event = jsCb.release();
184 CHECK_AND_RETURN_LOG((event != nullptr) && (event->callback != nullptr), "event is nullptr.");
185
186 napi_acquire_threadsafe_function(amInterruptTsfn_);
187 napi_call_threadsafe_function(amInterruptTsfn_, event, napi_tsfn_blocking);
188 }
189 } // namespace AudioStandard
190 } // namespace OHOS