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 "NapiAudioRendererStateCallback"
17 #endif
18
19 #include "js_native_api.h"
20 #include "napi_audio_renderer_state_callback.h"
21 #include "napi_audio_enum.h"
22 #include "napi_audio_error.h"
23 #include "napi_param_utils.h"
24 #include "audio_manager_log.h"
25
26 using namespace std;
27
28 namespace OHOS {
29 namespace AudioStandard {
NapiAudioRendererStateCallback(napi_env env)30 NapiAudioRendererStateCallback::NapiAudioRendererStateCallback(napi_env env)
31 : env_(env)
32 {
33 AUDIO_DEBUG_LOG("NapiAudioRendererStateCallback: instance create");
34 }
35
~NapiAudioRendererStateCallback()36 NapiAudioRendererStateCallback::~NapiAudioRendererStateCallback()
37 {
38 if (regAmRendererSatTsfn_) {
39 napi_release_threadsafe_function(amRendererSatTsfn_, napi_tsfn_abort);
40 }
41 AUDIO_DEBUG_LOG("NapiAudioRendererStateCallback: instance destroy");
42 }
43
RemoveCallbackReference(const napi_value args)44 void NapiAudioRendererStateCallback::RemoveCallbackReference(const napi_value args)
45 {
46 if (!IsSameCallback(args)) {
47 return;
48 }
49 std::lock_guard<std::mutex> lock(mutex_);
50 rendererStateCallback_->cb_ = nullptr;
51 rendererStateCallback_.reset();
52 AUDIO_DEBUG_LOG("Remove rendererStateCallback success");
53 }
54
IsSameCallback(const napi_value args)55 bool NapiAudioRendererStateCallback::IsSameCallback(const napi_value args)
56 {
57 std::lock_guard<std::mutex> lock(mutex_);
58 if (rendererStateCallback_ == nullptr) {
59 return false;
60 }
61 if (args == nullptr) {
62 return true;
63 }
64 napi_value rendererStateCallback = nullptr;
65 napi_get_reference_value(env_, rendererStateCallback_->cb_, &rendererStateCallback);
66 bool isEquals = false;
67 CHECK_AND_RETURN_RET_LOG(napi_strict_equals(env_, args, rendererStateCallback, &isEquals) == napi_ok, false,
68 "get napi_strict_equals failed");
69 return isEquals;
70 }
71
SaveCallbackReference(napi_value args)72 void NapiAudioRendererStateCallback::SaveCallbackReference(napi_value args)
73 {
74 std::lock_guard<std::mutex> lock(mutex_);
75 napi_ref callback = nullptr;
76 const int32_t refCount = ARGS_ONE;
77 napi_status status = napi_create_reference(env_, args, refCount, &callback);
78 CHECK_AND_RETURN_LOG(status == napi_ok && callback != nullptr,
79 "NapiAudioRendererStateCallback: creating reference for callback fail");
80
81 std::shared_ptr<AutoRef> cb = std::make_shared<AutoRef>(env_, callback);
82 CHECK_AND_RETURN_LOG(cb != nullptr, "NapiAudioRendererStateCallback: creating callback failed");
83
84 rendererStateCallback_ = cb;
85 }
86
CreateRendererStateTsfn(napi_env env)87 void NapiAudioRendererStateCallback::CreateRendererStateTsfn(napi_env env)
88 {
89 regAmRendererSatTsfn_ = true;
90 napi_value cbName;
91 std::string callbackName = "RendererState";
92 napi_create_string_utf8(env, callbackName.c_str(), callbackName.length(), &cbName);
93 napi_create_threadsafe_function(env, nullptr, nullptr, cbName, 0, 1, nullptr,
94 RendererStateTsfnFinalize, nullptr, SafeJsCallbackRendererStateWork, &amRendererSatTsfn_);
95 }
96
GetRendererStateTsfnFlag()97 bool NapiAudioRendererStateCallback::GetRendererStateTsfnFlag()
98 {
99 return regAmRendererSatTsfn_;
100 }
101
OnRendererStateChange(const std::vector<std::shared_ptr<AudioRendererChangeInfo>> & audioRendererChangeInfos)102 void NapiAudioRendererStateCallback::OnRendererStateChange(
103 const std::vector<std::shared_ptr<AudioRendererChangeInfo>> &audioRendererChangeInfos)
104 {
105 AUDIO_PRERELEASE_LOGI("enter");
106
107 std::lock_guard<std::mutex> lock(mutex_);
108
109 CHECK_AND_RETURN_LOG(rendererStateCallback_ != nullptr, "rendererStateCallback_ is nullptr!");
110
111 std::unique_ptr<AudioRendererStateJsCallback> cb = std::make_unique<AudioRendererStateJsCallback>();
112 CHECK_AND_RETURN_LOG(cb != nullptr, "No memory!!");
113
114 std::vector<std::shared_ptr<AudioRendererChangeInfo>> rendererChangeInfos;
115 for (const auto &changeInfo : audioRendererChangeInfos) {
116 rendererChangeInfos.push_back(std::make_shared<AudioRendererChangeInfo>(*changeInfo));
117 }
118
119 cb->callback = rendererStateCallback_;
120 cb->changeInfos = move(rendererChangeInfos);
121
122 return OnJsCallbackRendererState(cb);
123 }
124
SafeJsCallbackRendererStateWork(napi_env env,napi_value js_cb,void * context,void * data)125 void NapiAudioRendererStateCallback::SafeJsCallbackRendererStateWork(
126 napi_env env, napi_value js_cb, void *context, void *data)
127 {
128 AudioRendererStateJsCallback *event = reinterpret_cast<AudioRendererStateJsCallback *>(data);
129 CHECK_AND_RETURN_LOG((event != nullptr) && (event->callback != nullptr),
130 "OnJsCallbackRendererState: no memory");
131 std::shared_ptr<AudioRendererStateJsCallback> safeContext(
132 static_cast<AudioRendererStateJsCallback*>(data),
133 [](AudioRendererStateJsCallback *ptr) {
134 delete ptr;
135 });
136 napi_ref callback = event->callback->cb_;
137 napi_handle_scope scope = nullptr;
138 napi_open_handle_scope(env, &scope);
139 CHECK_AND_RETURN_LOG(scope != nullptr, "scope is nullptr");
140
141 do {
142 napi_value jsCallback = nullptr;
143 napi_status nstatus = napi_get_reference_value(env, callback, &jsCallback);
144 CHECK_AND_BREAK_LOG(nstatus == napi_ok && jsCallback != nullptr, "callback get reference value fail");
145 napi_value args[ARGS_ONE] = { nullptr };
146 NapiParamUtils::SetRendererChangeInfos(env, event->changeInfos, args[PARAM0]);
147 CHECK_AND_BREAK_LOG(nstatus == napi_ok && args[PARAM0] != nullptr,
148 "fail to convert to jsobj");
149
150 const size_t argCount = ARGS_ONE;
151 napi_value result = nullptr;
152 nstatus = napi_call_function(env, nullptr, jsCallback, argCount, args, &result);
153 CHECK_AND_BREAK_LOG(nstatus == napi_ok, "fail to call Interrupt callback");
154 } while (0);
155 napi_close_handle_scope(env, scope);
156 }
157
RendererStateTsfnFinalize(napi_env env,void * data,void * hint)158 void NapiAudioRendererStateCallback::RendererStateTsfnFinalize(napi_env env, void *data, void *hint)
159 {
160 AUDIO_INFO_LOG("RingModeTsfnFinalize: safe thread resource release.");
161 }
162
OnJsCallbackRendererState(std::unique_ptr<AudioRendererStateJsCallback> & jsCb)163 void NapiAudioRendererStateCallback::OnJsCallbackRendererState(std::unique_ptr<AudioRendererStateJsCallback> &jsCb)
164 {
165 AudioRendererStateJsCallback *event = jsCb.release();
166 CHECK_AND_RETURN_LOG((event != nullptr) && (event->callback != nullptr), "event is nullptr.");
167
168 napi_acquire_threadsafe_function(amRendererSatTsfn_);
169 napi_call_threadsafe_function(amRendererSatTsfn_, event, napi_tsfn_blocking);
170 }
171 } // namespace AudioStandard
172 } // namespace OHOS
173