1 /*
2 * Copyright (c) 2025 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 "NapiAppVolumeChangeCallback"
17 #endif
18
19 #include "js_native_api.h"
20 #include "napi_appvolume_change_callback.h"
21 #include "audio_errors.h"
22 #include "audio_manager_log.h"
23 #include "napi_param_utils.h"
24 #include "napi_audio_error.h"
25 #include "napi_audio_enum.h"
26 #include "napi/native_api.h"
27
28 namespace OHOS {
29 namespace AudioStandard {
NapiAudioManagerAppVolumeChangeCallback(napi_env env)30 NapiAudioManagerAppVolumeChangeCallback::NapiAudioManagerAppVolumeChangeCallback(napi_env env)
31 : env_(env)
32 {
33 AUDIO_DEBUG_LOG("NapiAudioManagerAppVolumeChangeCallback: instance create");
34 }
35
~NapiAudioManagerAppVolumeChangeCallback()36 NapiAudioManagerAppVolumeChangeCallback::~NapiAudioManagerAppVolumeChangeCallback()
37 {
38 if (regAmAppVolumeChgTsfn_) {
39 napi_release_threadsafe_function(amAppVolumeChgTsfn_, napi_tsfn_abort);
40 }
41 AUDIO_DEBUG_LOG("NapiAudioManagerAppVolumeChangeCallback: instance destroy");
42 }
43
SaveVolumeChangeCallbackForUidReference(const std::string & callbackName,napi_value args,int32_t appUid)44 void NapiAudioManagerAppVolumeChangeCallback::SaveVolumeChangeCallbackForUidReference(
45 const std::string &callbackName, napi_value args, int32_t appUid)
46 {
47 std::lock_guard<std::mutex> lock(mutex_);
48 for (auto iter : appVolumeChangeForUidList_) {
49 if (iter.second == appUid && IsSameCallback(env_, args, iter.first->cb_)) {
50 AUDIO_ERR_LOG("appVolumeChangeForUidList_ has same callback and appUid, nothing to do");
51 return;
52 }
53 }
54 napi_ref callback = nullptr;
55 const int32_t refCount = ARGS_ONE;
56 napi_status status = napi_create_reference(env_, args, refCount, &callback);
57 CHECK_AND_RETURN_LOG(status == napi_ok && callback != nullptr,
58 "NapiAudioManagerAppVolumeChangeCallback: creating reference for callback fail");
59 std::shared_ptr<AutoRef> cb = std::make_shared<AutoRef>(env_, callback);
60 if (callbackName == APP_VOLUME_CHANGE_CALLBACK_NAME_FOR_UID) {
61 appVolumeChangeForUidList_.push_back({cb, appUid});
62 } else {
63 AUDIO_ERR_LOG("NapiAudioManagerAppVolumeChangeCallback: Unknown callback type: %{public}s",
64 callbackName.c_str());
65 }
66 }
67
SaveSelfVolumdChangeCallbackReference(const std::string & callbackName,napi_value args)68 void NapiAudioManagerAppVolumeChangeCallback::SaveSelfVolumdChangeCallbackReference(
69 const std::string &callbackName, napi_value args)
70 {
71 std::lock_guard<std::mutex> lock(mutex_);
72 for (auto iter : selfAppVolumeChangeList_) {
73 if (IsSameCallback(env_, args, iter->cb_)) {
74 AUDIO_ERR_LOG("selfAppVolumeChangeList_ has same callback, nothing to do");
75 return;
76 }
77 }
78 napi_ref callback = nullptr;
79 const int32_t refCount = ARGS_ONE;
80 napi_status status = napi_create_reference(env_, args, refCount, &callback);
81 CHECK_AND_RETURN_LOG(status == napi_ok && callback != nullptr,
82 "NapiAudioManagerAppVolumeChangeCallback: creating reference for callback fail");
83 std::shared_ptr<AutoRef> cb = std::make_shared<AutoRef>(env_, callback);
84 if (callbackName == APP_VOLUME_CHANGE_CALLBACK_NAME) {
85 selfAppVolumeChangeList_.push_back(cb);
86 } else {
87 AUDIO_ERR_LOG("NapiAudioManagerAppVolumeChangeCallback: Unknown callback type: %{public}s",
88 callbackName.c_str());
89 }
90 }
91
CreateManagerAppVolumeChangeTsfn(napi_env env)92 void NapiAudioManagerAppVolumeChangeCallback::CreateManagerAppVolumeChangeTsfn(napi_env env)
93 {
94 regAmAppVolumeChgTsfn_ = true;
95 napi_value cbName;
96 std::string callbackName = "ManagerAppVolumeChange";
97 napi_create_string_utf8(env, callbackName.c_str(), callbackName.length(), &cbName);
98 napi_create_threadsafe_function(env, nullptr, nullptr, cbName, 0, 1, nullptr,
99 AppVolumeChangeTsfnFinalize, nullptr, SafeJsCallbackAppVolumeChangeWork, &amAppVolumeChgTsfn_);
100 }
101
GetManagerAppVolumeChangeTsfnFlag()102 bool NapiAudioManagerAppVolumeChangeCallback::GetManagerAppVolumeChangeTsfnFlag()
103 {
104 return regAmAppVolumeChgTsfn_;
105 }
106
RemoveCallbackReference(const napi_value args)107 void NapiAudioManagerAppVolumeChangeCallback::RemoveCallbackReference(const napi_value args)
108 {
109 std::lock_guard<std::mutex> lock(mutex_);
110 napi_delete_reference(env_, appVolumeChangeCallback_->cb_);
111 appVolumeChangeCallback_->cb_ = nullptr;
112 appVolumeChangeCallback_ = nullptr;
113 AUDIO_INFO_LOG("Remove callback reference successful.");
114 }
115
IsSameCallback(napi_env env,napi_value callback,napi_ref refCallback)116 bool NapiAudioManagerAppVolumeChangeCallback::IsSameCallback(napi_env env, napi_value callback,
117 napi_ref refCallback)
118 {
119 bool isEquals = false;
120 napi_value copyValue = nullptr;
121
122 napi_get_reference_value(env, refCallback, ©Value);
123 if (napi_strict_equals(env, copyValue, callback, &isEquals) != napi_ok) {
124 AUDIO_ERR_LOG("IsSameCallback: get napi_strict_equals failed");
125 return false;
126 }
127
128 return isEquals;
129 }
130
131 // LCOV_EXCL_START
OnAppVolumeChangedForUid(int32_t appUid,const VolumeEvent & event)132 void NapiAudioManagerAppVolumeChangeCallback::OnAppVolumeChangedForUid(int32_t appUid, const VolumeEvent &event)
133 {
134 std::lock_guard<std::mutex> lock(mutex_);
135 if (!PermissionUtil::VerifySystemPermission()) {
136 AUDIO_ERR_LOG("OnAppVolumeChangedForUid: No system permission");
137 return;
138 }
139 AUDIO_DEBUG_LOG("OnAppVolumeChangedForUid: appUid[%{public}d]", appUid);
140 for (auto iter : appVolumeChangeForUidList_) {
141 if (appUid != iter.second) {
142 continue;
143 }
144 std::unique_ptr<AudioManagerAppVolumeChangeJsCallback> cb =
145 std::make_unique<AudioManagerAppVolumeChangeJsCallback>();
146 CHECK_AND_RETURN_LOG(cb != nullptr, "No memory");
147 cb->callback = iter.first;
148 cb->callbackName = APP_VOLUME_CHANGE_CALLBACK_NAME_FOR_UID;
149 cb->appVolumeChangeEvent = event;
150 OnJsCallbackAppVolumeChange(cb);
151 }
152 }
153 // LCOV_EXCL_STOP
154
OnSelfAppVolumeChanged(const VolumeEvent & event)155 void NapiAudioManagerAppVolumeChangeCallback::OnSelfAppVolumeChanged(const VolumeEvent &event)
156 {
157 std::lock_guard<std::mutex> lock(mutex_);
158 AUDIO_DEBUG_LOG("enter");
159 for (auto iter : selfAppVolumeChangeList_) {
160 std::unique_ptr<AudioManagerAppVolumeChangeJsCallback> cb =
161 std::make_unique<AudioManagerAppVolumeChangeJsCallback>();
162 CHECK_AND_RETURN_LOG(cb != nullptr, "No memory");
163 cb->callback = iter;
164 cb->callbackName = APP_VOLUME_CHANGE_CALLBACK_NAME;
165 cb->appVolumeChangeEvent = event;
166 OnJsCallbackAppVolumeChange(cb);
167 }
168 }
169
SafeJsCallbackAppVolumeChangeWork(napi_env env,napi_value js_cb,void * context,void * data)170 void NapiAudioManagerAppVolumeChangeCallback::SafeJsCallbackAppVolumeChangeWork(
171 napi_env env, napi_value js_cb, void *context, void *data)
172 {
173 AudioManagerAppVolumeChangeJsCallback *event = reinterpret_cast<AudioManagerAppVolumeChangeJsCallback *>(data);
174 CHECK_AND_RETURN_LOG((event != nullptr) && (event->callback != nullptr),
175 "SafeJsCallbackAppVolumeChangeWork: no memory");
176 std::shared_ptr<AudioManagerAppVolumeChangeJsCallback> safeContext(
177 static_cast<AudioManagerAppVolumeChangeJsCallback*>(data),
178 [](AudioManagerAppVolumeChangeJsCallback *ptr) {
179 delete ptr;
180 });
181 std::string request = event->callbackName;
182 napi_ref callback = event->callback->cb_;
183 napi_handle_scope scope = nullptr;
184 napi_open_handle_scope(env, &scope);
185 CHECK_AND_RETURN_LOG(scope != nullptr, "scope is nullptr");
186 AUDIO_INFO_LOG("SafeJsCallbackAppVolumeChangeWork: safe js callback working.");
187
188 do {
189 napi_value jsCallback = nullptr;
190 napi_status nstatus = napi_get_reference_value(env, callback, &jsCallback);
191 CHECK_AND_BREAK_LOG(nstatus == napi_ok && jsCallback != nullptr, "%{public}s get reference value fail",
192 request.c_str());
193 napi_value args[ARGS_ONE] = { nullptr };
194 NapiParamUtils::SetValueVolumeEvent(env, event->appVolumeChangeEvent, args[PARAM0]);
195 CHECK_AND_BREAK_LOG(nstatus == napi_ok && args[0] != nullptr,
196 "%{public}s fail to create volume change callback", request.c_str());
197 const size_t argCount = ARGS_ONE;
198 napi_value result = nullptr;
199 nstatus = napi_call_function(env, nullptr, jsCallback, argCount, args, &result);
200 CHECK_AND_BREAK_LOG(nstatus == napi_ok, "%{public}s fail to call DeviceChange callback",
201 request.c_str());
202 } while (0);
203 napi_close_handle_scope(env, scope);
204 }
205
AppVolumeChangeTsfnFinalize(napi_env env,void * data,void * hint)206 void NapiAudioManagerAppVolumeChangeCallback::AppVolumeChangeTsfnFinalize(napi_env env, void *data, void *hint)
207 {
208 AUDIO_INFO_LOG("AppVolumeChangeTsfnFinalize: safe thread resource release.");
209 }
210
OnJsCallbackAppVolumeChange(std::unique_ptr<AudioManagerAppVolumeChangeJsCallback> & jsCb)211 void NapiAudioManagerAppVolumeChangeCallback::OnJsCallbackAppVolumeChange(
212 std::unique_ptr<AudioManagerAppVolumeChangeJsCallback> &jsCb)
213 {
214 if (jsCb.get() == nullptr) {
215 AUDIO_ERR_LOG("OnJsCallbackAppVolumeChange: jsCb.get() is null");
216 return;
217 }
218 AudioManagerAppVolumeChangeJsCallback *event = jsCb.release();
219 CHECK_AND_RETURN_LOG((event != nullptr) && (event->callback != nullptr), "event is nullptr.");
220
221 napi_acquire_threadsafe_function(amAppVolumeChgTsfn_);
222 napi_call_threadsafe_function(amAppVolumeChgTsfn_, event, napi_tsfn_blocking);
223 }
224
RemoveAllAudioVolumeChangeForUidCbRef()225 void NapiAudioManagerAppVolumeChangeCallback::RemoveAllAudioVolumeChangeForUidCbRef()
226 {
227 std::lock_guard<std::mutex> lock(mutex_);
228 appVolumeChangeForUidList_.clear();
229 AUDIO_INFO_LOG("RemoveAllAudioVolumeChangeForUidCbRef: remove callback finish");
230 }
231
RemoveAudioVolumeChangeForUidCbRef(napi_env env,napi_value callback)232 void NapiAudioManagerAppVolumeChangeCallback::RemoveAudioVolumeChangeForUidCbRef(napi_env env,
233 napi_value callback)
234 {
235 std::lock_guard<std::mutex> lock(mutex_);
236 for (auto iter = appVolumeChangeForUidList_.begin(); iter != appVolumeChangeForUidList_.end();) {
237 if (IsSameCallback(env, callback, iter->first->cb_)) {
238 AUDIO_INFO_LOG("RemoveAudioVolumeChangeForUidCbRef: find js callback, erase it");
239 appVolumeChangeForUidList_.erase(iter++);
240 } else {
241 iter++;
242 }
243 }
244 AUDIO_INFO_LOG("RemoveAudioVolumeChangeForUidCbRef: remove callback finish");
245 }
246
RemoveSelfAudioVolumeChangeCbRef(napi_env env,napi_value callback)247 void NapiAudioManagerAppVolumeChangeCallback::RemoveSelfAudioVolumeChangeCbRef(napi_env env,
248 napi_value callback)
249 {
250 std::lock_guard<std::mutex> lock(mutex_);
251 for (auto iter = selfAppVolumeChangeList_.begin(); iter != selfAppVolumeChangeList_.end();) {
252 if (IsSameCallback(env, callback, (*iter)->cb_)) {
253 AUDIO_INFO_LOG("RemoveSelfAudioVolumeChangeCbRef: find js callback, erase it");
254 selfAppVolumeChangeList_.erase(iter++);
255 } else {
256 iter++;
257 }
258 }
259 AUDIO_INFO_LOG("RemoveSelfAudioVolumeChangeCbRef: remove callback finish");
260 }
261
RemoveAllSelfAudioVolumeChangeCbRef()262 void NapiAudioManagerAppVolumeChangeCallback::RemoveAllSelfAudioVolumeChangeCbRef()
263 {
264 std::lock_guard<std::mutex> lock(mutex_);
265 selfAppVolumeChangeList_.clear();
266 AUDIO_INFO_LOG("RemoveAllSelfAudioVolumeChangeCbRef: remove callback finish");
267 }
268
GetAppVolumeChangeForUidListSize()269 int32_t NapiAudioManagerAppVolumeChangeCallback::GetAppVolumeChangeForUidListSize()
270 {
271 return appVolumeChangeForUidList_.size();
272 }
273
GetSelfAppVolumeChangeListSize()274 int32_t NapiAudioManagerAppVolumeChangeCallback::GetSelfAppVolumeChangeListSize()
275 {
276 return selfAppVolumeChangeList_.size();
277 }
278
279 }
280 }