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
OnAppVolumeChangedForUid(int32_t appUid,const VolumeEvent & event)131 void NapiAudioManagerAppVolumeChangeCallback::OnAppVolumeChangedForUid(int32_t appUid, const VolumeEvent &event)
132 {
133 std::lock_guard<std::mutex> lock(mutex_);
134 if (!PermissionUtil::VerifySystemPermission()) {
135 AUDIO_ERR_LOG("OnAppVolumeChangedForUid: No system permission");
136 return;
137 }
138 AUDIO_DEBUG_LOG("OnAppVolumeChangedForUid: appUid[%{public}d]", appUid);
139 for (auto iter : appVolumeChangeForUidList_) {
140 if (appUid != iter.second) {
141 continue;
142 }
143 std::unique_ptr<AudioManagerAppVolumeChangeJsCallback> cb =
144 std::make_unique<AudioManagerAppVolumeChangeJsCallback>();
145 CHECK_AND_RETURN_LOG(cb != nullptr, "No memory");
146 cb->callback = iter.first;
147 cb->callbackName = APP_VOLUME_CHANGE_CALLBACK_NAME_FOR_UID;
148 cb->appVolumeChangeEvent = event;
149 OnJsCallbackAppVolumeChange(cb);
150 }
151 }
152
OnSelfAppVolumeChanged(const VolumeEvent & event)153 void NapiAudioManagerAppVolumeChangeCallback::OnSelfAppVolumeChanged(const VolumeEvent &event)
154 {
155 std::lock_guard<std::mutex> lock(mutex_);
156 AUDIO_DEBUG_LOG("OnSelfAppVolumeChanged enter");
157 for (auto iter : selfAppVolumeChangeList_) {
158 std::unique_ptr<AudioManagerAppVolumeChangeJsCallback> cb =
159 std::make_unique<AudioManagerAppVolumeChangeJsCallback>();
160 CHECK_AND_RETURN_LOG(cb != nullptr, "No memory");
161 cb->callback = iter;
162 cb->callbackName = APP_VOLUME_CHANGE_CALLBACK_NAME;
163 cb->appVolumeChangeEvent = event;
164 OnJsCallbackAppVolumeChange(cb);
165 }
166 }
167
SafeJsCallbackAppVolumeChangeWork(napi_env env,napi_value js_cb,void * context,void * data)168 void NapiAudioManagerAppVolumeChangeCallback::SafeJsCallbackAppVolumeChangeWork(
169 napi_env env, napi_value js_cb, void *context, void *data)
170 {
171 AudioManagerAppVolumeChangeJsCallback *event = reinterpret_cast<AudioManagerAppVolumeChangeJsCallback *>(data);
172 CHECK_AND_RETURN_LOG((event != nullptr) && (event->callback != nullptr),
173 "SafeJsCallbackAppVolumeChangeWork: no memory");
174 std::shared_ptr<AudioManagerAppVolumeChangeJsCallback> safeContext(
175 static_cast<AudioManagerAppVolumeChangeJsCallback*>(data),
176 [](AudioManagerAppVolumeChangeJsCallback *ptr) {
177 delete ptr;
178 });
179 std::string request = event->callbackName;
180 napi_ref callback = event->callback->cb_;
181 napi_handle_scope scope = nullptr;
182 napi_open_handle_scope(env, &scope);
183 CHECK_AND_RETURN_LOG(scope != nullptr, "scope is nullptr");
184 AUDIO_INFO_LOG("SafeJsCallbackAppVolumeChangeWork: safe js callback working.");
185
186 do {
187 napi_value jsCallback = nullptr;
188 napi_status nstatus = napi_get_reference_value(env, callback, &jsCallback);
189 CHECK_AND_BREAK_LOG(nstatus == napi_ok && jsCallback != nullptr, "%{public}s get reference value fail",
190 request.c_str());
191 napi_value args[ARGS_ONE] = { nullptr };
192 NapiParamUtils::SetValueVolumeEvent(env, event->appVolumeChangeEvent, args[PARAM0]);
193 CHECK_AND_BREAK_LOG(nstatus == napi_ok && args[0] != nullptr,
194 "%{public}s fail to create volume change callback", request.c_str());
195 const size_t argCount = ARGS_ONE;
196 napi_value result = nullptr;
197 nstatus = napi_call_function(env, nullptr, jsCallback, argCount, args, &result);
198 CHECK_AND_BREAK_LOG(nstatus == napi_ok, "%{public}s fail to call DeviceChange callback",
199 request.c_str());
200 } while (0);
201 napi_close_handle_scope(env, scope);
202 }
203
AppVolumeChangeTsfnFinalize(napi_env env,void * data,void * hint)204 void NapiAudioManagerAppVolumeChangeCallback::AppVolumeChangeTsfnFinalize(napi_env env, void *data, void *hint)
205 {
206 AUDIO_INFO_LOG("AppVolumeChangeTsfnFinalize: safe thread resource release.");
207 }
208
OnJsCallbackAppVolumeChange(std::unique_ptr<AudioManagerAppVolumeChangeJsCallback> & jsCb)209 void NapiAudioManagerAppVolumeChangeCallback::OnJsCallbackAppVolumeChange(
210 std::unique_ptr<AudioManagerAppVolumeChangeJsCallback> &jsCb)
211 {
212 if (jsCb.get() == nullptr) {
213 AUDIO_ERR_LOG("OnJsCallbackAppVolumeChange: jsCb.get() is null");
214 return;
215 }
216 AudioManagerAppVolumeChangeJsCallback *event = jsCb.release();
217 CHECK_AND_RETURN_LOG((event != nullptr) && (event->callback != nullptr), "event is nullptr.");
218
219 napi_acquire_threadsafe_function(amAppVolumeChgTsfn_);
220 napi_call_threadsafe_function(amAppVolumeChgTsfn_, event, napi_tsfn_blocking);
221 }
222
RemoveAllAudioVolumeChangeForUidCbRef()223 void NapiAudioManagerAppVolumeChangeCallback::RemoveAllAudioVolumeChangeForUidCbRef()
224 {
225 std::lock_guard<std::mutex> lock(mutex_);
226 appVolumeChangeForUidList_.clear();
227 AUDIO_INFO_LOG("RemoveAllAudioVolumeChangeForUidCbRef: remove callback finish");
228 }
229
RemoveAudioVolumeChangeForUidCbRef(napi_env env,napi_value callback)230 void NapiAudioManagerAppVolumeChangeCallback::RemoveAudioVolumeChangeForUidCbRef(napi_env env,
231 napi_value callback)
232 {
233 std::lock_guard<std::mutex> lock(mutex_);
234 for (auto iter = appVolumeChangeForUidList_.begin(); iter != appVolumeChangeForUidList_.end();) {
235 if (IsSameCallback(env, callback, iter->first->cb_)) {
236 AUDIO_INFO_LOG("RemoveAudioVolumeChangeForUidCbRef: find js callback, erase it");
237 appVolumeChangeForUidList_.erase(iter++);
238 } else {
239 iter++;
240 }
241 }
242 AUDIO_INFO_LOG("RemoveAudioVolumeChangeForUidCbRef: remove callback finish");
243 }
244
RemoveSelfAudioVolumeChangeCbRef(napi_env env,napi_value callback)245 void NapiAudioManagerAppVolumeChangeCallback::RemoveSelfAudioVolumeChangeCbRef(napi_env env,
246 napi_value callback)
247 {
248 std::lock_guard<std::mutex> lock(mutex_);
249 for (auto iter = selfAppVolumeChangeList_.begin(); iter != selfAppVolumeChangeList_.end();) {
250 if (IsSameCallback(env, callback, (*iter)->cb_)) {
251 AUDIO_INFO_LOG("RemoveSelfAudioVolumeChangeCbRef: find js callback, erase it");
252 selfAppVolumeChangeList_.erase(iter++);
253 } else {
254 iter++;
255 }
256 }
257 AUDIO_INFO_LOG("RemoveSelfAudioVolumeChangeCbRef: remove callback finish");
258 }
259
RemoveAllSelfAudioVolumeChangeCbRef()260 void NapiAudioManagerAppVolumeChangeCallback::RemoveAllSelfAudioVolumeChangeCbRef()
261 {
262 std::lock_guard<std::mutex> lock(mutex_);
263 selfAppVolumeChangeList_.clear();
264 AUDIO_INFO_LOG("RemoveAllSelfAudioVolumeChangeCbRef: remove callback finish");
265 }
266
GetAppVolumeChangeForUidListSize()267 int32_t NapiAudioManagerAppVolumeChangeCallback::GetAppVolumeChangeForUidListSize()
268 {
269 return appVolumeChangeForUidList_.size();
270 }
271
GetSelfAppVolumeChangeListSize()272 int32_t NapiAudioManagerAppVolumeChangeCallback::GetSelfAppVolumeChangeListSize()
273 {
274 return selfAppVolumeChangeList_.size();
275 }
276
277 }
278 }