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 "NapiAudioRountingAvailableDeviceChangeCallback"
17 #endif
18
19 #include "js_native_api.h"
20 #include "napi_audio_rounting_available_devicechange_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 {
NapiAudioRountingAvailableDeviceChangeCallback(napi_env env)30 NapiAudioRountingAvailableDeviceChangeCallback::NapiAudioRountingAvailableDeviceChangeCallback(napi_env env)
31 {
32 env_ = env;
33 AUDIO_DEBUG_LOG("NapiAudioRountingAvailableDeviceChangeCallback: instance create");
34 }
35
~NapiAudioRountingAvailableDeviceChangeCallback()36 NapiAudioRountingAvailableDeviceChangeCallback::~NapiAudioRountingAvailableDeviceChangeCallback()
37 {
38 if (regAmRouDevChgTsfn_) {
39 napi_release_threadsafe_function(amRouDevChgTsfn_, napi_tsfn_abort);
40 }
41 AUDIO_DEBUG_LOG("NapiAudioRountingAvailableDeviceChangeCallback: instance destroy");
42 }
43
CreateRouDevChgTsfn(napi_env env)44 void NapiAudioRountingAvailableDeviceChangeCallback::CreateRouDevChgTsfn(napi_env env)
45 {
46 regAmRouDevChgTsfn_ = true;
47 std::string callbackName = "RountingAvailableDeviceChange";
48 napi_value cbName;
49 napi_create_string_utf8(env, callbackName.c_str(), callbackName.length(), &cbName);
50 napi_create_threadsafe_function(env, nullptr, nullptr, cbName, 0, 1, nullptr,
51 AvailbleDeviceChangeTsfnFinalize, nullptr, SafeJsCallbackAvailbleDeviceChangeWork, &amRouDevChgTsfn_);
52 }
53
GetRouDevChgTsfnFlag()54 bool NapiAudioRountingAvailableDeviceChangeCallback::GetRouDevChgTsfnFlag()
55 {
56 return regAmRouDevChgTsfn_;
57 }
58
SaveRoutingAvailbleDeviceChangeCbRef(AudioDeviceUsage usage,napi_value callback)59 void NapiAudioRountingAvailableDeviceChangeCallback::SaveRoutingAvailbleDeviceChangeCbRef(AudioDeviceUsage usage,
60 napi_value callback)
61 {
62 std::lock_guard<std::mutex> lock(mutex_);
63 napi_ref callbackRef = nullptr;
64 const int32_t refCount = ARGS_ONE;
65
66 for (auto it = availableDeviceChangeCbList_.begin(); it != availableDeviceChangeCbList_.end(); ++it) {
67 bool isSameCallback = NapiAudioManagerCallback::IsSameCallback(env_, callback, (*it).first->cb_);
68 CHECK_AND_RETURN_LOG(!isSameCallback,
69 "SaveRoutingAvailbleDeviceChangeCbRef: audio manager has same callback, nothing to do");
70 }
71
72 napi_status status = napi_create_reference(env_, callback, refCount, &callbackRef);
73 CHECK_AND_RETURN_LOG(status == napi_ok && callback != nullptr,
74 "SaveCallbackReference: creating reference for callback fail");
75 std::shared_ptr<AutoRef> cb = std::make_shared<AutoRef>(env_, callbackRef);
76 availableDeviceChangeCbList_.push_back({cb, usage});
77 AUDIO_INFO_LOG("SaveRoutingAvailbleDeviceChange callback ref success, usage [%{public}d], list size [%{public}zu]",
78 usage, availableDeviceChangeCbList_.size());
79 }
80
RemoveRoutingAvailbleDeviceChangeCbRef(napi_env env,napi_value callback)81 void NapiAudioRountingAvailableDeviceChangeCallback::RemoveRoutingAvailbleDeviceChangeCbRef(napi_env env,
82 napi_value callback)
83 {
84 std::lock_guard<std::mutex> lock(mutex_);
85
86 for (auto it = availableDeviceChangeCbList_.begin(); it != availableDeviceChangeCbList_.end(); ++it) {
87 bool isSameCallback = NapiAudioManagerCallback::IsSameCallback(env_, callback, (*it).first->cb_);
88 if (isSameCallback) {
89 AUDIO_INFO_LOG("RemoveRoutingAvailbleDeviceChangeCbRef: find js callback, erase it");
90 availableDeviceChangeCbList_.erase(it);
91 return;
92 }
93 }
94 AUDIO_INFO_LOG("RemoveRoutingAvailbleDeviceChangeCbRef: js callback no find");
95 }
96
RemoveAllRoutinAvailbleDeviceChangeCb()97 void NapiAudioRountingAvailableDeviceChangeCallback::RemoveAllRoutinAvailbleDeviceChangeCb()
98 {
99 std::lock_guard<std::mutex> lock(mutex_);
100 availableDeviceChangeCbList_.clear();
101 AUDIO_INFO_LOG("RemoveAllCallbacks: remove all js callbacks success");
102 }
103
GetRoutingAvailbleDeviceChangeCbListSize()104 int32_t NapiAudioRountingAvailableDeviceChangeCallback::GetRoutingAvailbleDeviceChangeCbListSize()
105 {
106 std::lock_guard<std::mutex> lock(mutex_);
107 return availableDeviceChangeCbList_.size();
108 }
109
OnAvailableDeviceChange(const AudioDeviceUsage usage,const DeviceChangeAction & deviceChangeAction)110 void NapiAudioRountingAvailableDeviceChangeCallback::OnAvailableDeviceChange(
111 const AudioDeviceUsage usage, const DeviceChangeAction &deviceChangeAction)
112 {
113 AUDIO_INFO_LOG("OnAvailableDeviceChange:DeviceChangeType: %{public}d, DeviceFlag:%{public}d",
114 deviceChangeAction.type, deviceChangeAction.flag);
115 for (auto it = availableDeviceChangeCbList_.begin(); it != availableDeviceChangeCbList_.end(); it++) {
116 if (usage == (*it).second) {
117 std::unique_ptr<AudioRountingJsCallback> cb = std::make_unique<AudioRountingJsCallback>();
118 cb->callback = (*it).first;
119 cb->callbackName = AVAILABLE_DEVICE_CHANGE_CALLBACK_NAME;
120 cb->deviceChangeAction = deviceChangeAction;
121 OnJsCallbackAvailbleDeviceChange(cb);
122 }
123 }
124 }
125
SafeJsCallbackAvailbleDeviceChangeWork(napi_env env,napi_value js_cb,void * context,void * data)126 void NapiAudioRountingAvailableDeviceChangeCallback::SafeJsCallbackAvailbleDeviceChangeWork(
127 napi_env env, napi_value js_cb, void *context, void *data)
128 {
129 AudioRountingJsCallback *event = reinterpret_cast<AudioRountingJsCallback *>(data);
130 CHECK_AND_RETURN_LOG((event != nullptr) && (event->callback != nullptr),
131 "OnJsCallbackAvailbleDeviceChange: no memory");
132 std::shared_ptr<AudioRountingJsCallback> safeContext(
133 static_cast<AudioRountingJsCallback*>(data),
134 [](AudioRountingJsCallback *ptr) {
135 if (ptr != nullptr) {
136 delete ptr;
137 }
138 });
139 std::string request = event->callbackName;
140 napi_ref callback = event->callback->cb_;
141 napi_handle_scope scope = nullptr;
142 napi_open_handle_scope(env, &scope);
143 CHECK_AND_RETURN_LOG(scope != nullptr, "scope is nullptr");
144 AUDIO_INFO_LOG("SafeJsCallbackAvailbleDeviceChangeWork: safe js callback working.");
145
146 do {
147 napi_value jsCallback = nullptr;
148 napi_status nstatus = napi_get_reference_value(env, callback, &jsCallback);
149 CHECK_AND_BREAK_LOG(nstatus == napi_ok && jsCallback != nullptr, "%{public}s get reference value fail",
150 request.c_str());
151 // Call back function
152 napi_value args[ARGS_ONE] = { nullptr };
153 NapiParamUtils::SetValueDeviceChangeAction(env, event->deviceChangeAction, args[PARAM0]);
154 CHECK_AND_BREAK_LOG(nstatus == napi_ok && args[PARAM0] != nullptr,
155 "%{public}s fail to create DeviceChange callback", request.c_str());
156 const size_t argCount = ARGS_ONE;
157 napi_value result = nullptr;
158 nstatus = napi_call_function(env, nullptr, jsCallback, argCount, args, &result);
159 CHECK_AND_BREAK_LOG(nstatus == napi_ok, "%{public}s fail to call DeviceChange callback", request.c_str());
160 } while (0);
161 napi_close_handle_scope(env, scope);
162 }
163
AvailbleDeviceChangeTsfnFinalize(napi_env env,void * data,void * hint)164 void NapiAudioRountingAvailableDeviceChangeCallback::AvailbleDeviceChangeTsfnFinalize(
165 napi_env env, void *data, void *hint)
166 {
167 AUDIO_INFO_LOG("AvailbleDeviceChangeTsfnFinalize: safe thread resource release.");
168 }
169
OnJsCallbackAvailbleDeviceChange(std::unique_ptr<AudioRountingJsCallback> & jsCb)170 void NapiAudioRountingAvailableDeviceChangeCallback::OnJsCallbackAvailbleDeviceChange(
171 std::unique_ptr<AudioRountingJsCallback> &jsCb)
172 {
173 if (jsCb.get() == nullptr) {
174 AUDIO_ERR_LOG("OnJsCallbackAvailbleDeviceChange: OnJsCallbackDeviceChange: jsCb.get() is null");
175 return;
176 }
177
178 AudioRountingJsCallback *event = jsCb.release();
179 CHECK_AND_RETURN_LOG((event != nullptr) && (event->callback != nullptr), "event is nullptr.");
180
181 napi_acquire_threadsafe_function(amRouDevChgTsfn_);
182 napi_call_threadsafe_function(amRouDevChgTsfn_, event, napi_tsfn_blocking);
183 }
184 } // namespace AudioStandard
185 } // namespace OHOS