1 /*
2 * Copyright (c) 2021 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
16 #include "thermal_manager_napi.h"
17
18 #include <uv.h>
19
20 #include "napi_utils.h"
21 #include "napi_errors.h"
22 #include "thermal_common.h"
23 #include "thermal_level_info.h"
24
25 using namespace OHOS::PowerMgr;
26 using namespace OHOS;
27
28 namespace {
29 const uint8_t ARG_0 = 0;
30 const uint8_t ARG_1 = 1;
31 constexpr uint32_t MAX_ARGC = 1;
32 thread_local auto& g_thermalMgrClient = ThermalMgrClient::GetInstance();
33 thread_local sptr<ThermalLevelCallback> g_thermalLevelCallback = new (std::nothrow) ThermalLevelCallback();
34 } // namespace
35
~ThermalLevelCallback()36 ThermalLevelCallback::~ThermalLevelCallback()
37 {
38 ReleaseCallback();
39 }
40
UpdateCallback(napi_env env,napi_value jsCallback)41 void ThermalLevelCallback::UpdateCallback(napi_env env, napi_value jsCallback)
42 {
43 std::lock_guard lock(mutex_);
44 if (napi_ok != napi_create_reference(env, jsCallback, 1, &callbackRef_)) {
45 THERMAL_HILOGW(COMP_FWK, "Failed to create a JS callback reference");
46 callbackRef_ = nullptr;
47 }
48 env_ = env;
49 }
50
ReleaseCallback()51 void ThermalLevelCallback::ReleaseCallback()
52 {
53 std::lock_guard lock(mutex_);
54 if (callbackRef_ != nullptr) {
55 napi_delete_reference(env_, callbackRef_);
56 }
57 callbackRef_ = nullptr;
58 env_ = nullptr;
59 }
60
OnThermalLevelChanged(ThermalLevel level)61 bool ThermalLevelCallback::OnThermalLevelChanged(ThermalLevel level)
62 {
63 std::lock_guard lock(mutex_);
64 level_ = level;
65 THERMAL_RETURN_IF_WITH_RET(env_ == nullptr, false);
66 uv_work_t* work = new (std::nothrow) uv_work_t;
67 THERMAL_RETURN_IF_WITH_RET(work == nullptr, false);
68 work->data = reinterpret_cast<void*>(this);
69 auto uvcallback = [work]() mutable {
70 ThermalLevelCallback* callback = reinterpret_cast<ThermalLevelCallback*>(work->data);
71 if (callback != nullptr) {
72 callback->OnThermalLevel();
73 }
74 delete work;
75 work = nullptr;
76 };
77 if (napi_send_event(env_, uvcallback, napi_eprio_low) != napi_status::napi_ok) {
78 delete work;
79 work = nullptr;
80 THERMAL_HILOGW(COMP_FWK, "uv_queue_work is failed");
81 return false;
82 }
83 return true;
84 }
85
OnThermalLevel()86 void ThermalLevelCallback::OnThermalLevel()
87 {
88 THERMAL_HILOGD(COMP_FWK, "level is: %{public}d", static_cast<int32_t>(level_));
89 THERMAL_RETURN_IF_WITH_LOG(callbackRef_ == nullptr || env_ == nullptr, "js callback ref or env is nullptr");
90
91 napi_handle_scope scope = nullptr;
92 napi_open_handle_scope(env_, &scope);
93 if (scope == nullptr) {
94 THERMAL_HILOGW(COMP_FWK, "scope is nullptr");
95 return;
96 }
97
98 napi_value levelValue = nullptr;
99 if (napi_ok != napi_create_int32(env_, static_cast<int32_t>(level_), &levelValue)) {
100 THERMAL_HILOGW(COMP_FWK, "napi_create_int32 callback failed");
101 napi_close_handle_scope(env_, scope);
102 return;
103 }
104
105 napi_value callback = nullptr;
106 napi_status status = napi_get_reference_value(env_, callbackRef_, &callback);
107 if (status != napi_ok) {
108 THERMAL_HILOGE(COMP_FWK, "napi_get_reference_value callback failed, status = %{public}d", status);
109 napi_close_handle_scope(env_, scope);
110 return;
111 }
112
113 napi_value callResult = nullptr;
114 status = napi_call_function(env_, nullptr, callback, ARG_1, &levelValue, &callResult);
115 if (status != napi_ok) {
116 THERMAL_HILOGE(COMP_FWK, "napi_call_function callback failed, status = %{public}d", status);
117 }
118 napi_close_handle_scope(env_, scope);
119 }
120
Init(napi_env env,napi_value exports)121 napi_value ThermalManagerNapi::Init(napi_env env, napi_value exports)
122 {
123 napi_property_descriptor desc[] = {
124 // Old Interface
125 DECLARE_NAPI_STATIC_FUNCTION("subscribeThermalLevel", SubscribeThermalLevel),
126 DECLARE_NAPI_STATIC_FUNCTION("unsubscribeThermalLevel", UnSubscribeThermalLevel),
127 DECLARE_NAPI_STATIC_FUNCTION("getThermalLevel", GetThermalLevel),
128 // New Interface
129 DECLARE_NAPI_STATIC_FUNCTION("registerThermalLevelCallback", SubscribeThermalLevel),
130 DECLARE_NAPI_STATIC_FUNCTION("unregisterThermalLevelCallback", UnSubscribeThermalLevel),
131 DECLARE_NAPI_STATIC_FUNCTION("getLevel", GetThermalLevel),
132 };
133 NAPI_CALL(env, napi_define_properties(env, exports, sizeof(desc) / sizeof(desc[0]), desc));
134 InitThermalLevel(env, exports);
135
136 return exports;
137 }
138
InitThermalLevel(napi_env env,napi_value exports)139 napi_value ThermalManagerNapi::InitThermalLevel(napi_env env, napi_value exports)
140 {
141 napi_value cool;
142 napi_value normal;
143 napi_value warm;
144 napi_value hot;
145 napi_value overheated;
146 napi_value warning;
147 napi_value emergency;
148 napi_value escape;
149
150 napi_create_uint32(env, static_cast<uint32_t>(ThermalLevel::COOL), &cool);
151 napi_create_uint32(env, static_cast<uint32_t>(ThermalLevel::NORMAL), &normal);
152 napi_create_uint32(env, static_cast<uint32_t>(ThermalLevel::WARM), &warm);
153 napi_create_uint32(env, static_cast<uint32_t>(ThermalLevel::HOT), &hot);
154 napi_create_uint32(env, static_cast<uint32_t>(ThermalLevel::OVERHEATED), &overheated);
155 napi_create_uint32(env, static_cast<uint32_t>(ThermalLevel::WARNING), &warning);
156 napi_create_uint32(env, static_cast<uint32_t>(ThermalLevel::EMERGENCY), &emergency);
157 napi_create_uint32(env, static_cast<uint32_t>(ThermalLevel::ESCAPE), &escape);
158
159 napi_property_descriptor desc[] = {
160 DECLARE_NAPI_STATIC_PROPERTY("COOL", cool),
161 DECLARE_NAPI_STATIC_PROPERTY("NORMAL", normal),
162 DECLARE_NAPI_STATIC_PROPERTY("WARM", warm),
163 DECLARE_NAPI_STATIC_PROPERTY("HOT", hot),
164 DECLARE_NAPI_STATIC_PROPERTY("OVERHEATED", overheated),
165 DECLARE_NAPI_STATIC_PROPERTY("WARNING", warning),
166 DECLARE_NAPI_STATIC_PROPERTY("EMERGENCY", emergency),
167 DECLARE_NAPI_STATIC_PROPERTY("ESCAPE", escape),
168 };
169
170 napi_value result = nullptr;
171 napi_define_class(env, "ThermalLevel", NAPI_AUTO_LENGTH, EnumThermalLevelConstructor, nullptr,
172 sizeof(desc) / sizeof(*desc), desc, &result);
173 napi_set_named_property(env, exports, "ThermalLevel", result);
174 return exports;
175 }
176
EnumThermalLevelConstructor(napi_env env,napi_callback_info info)177 napi_value ThermalManagerNapi::EnumThermalLevelConstructor(napi_env env, napi_callback_info info)
178 {
179 size_t argc = 0;
180 napi_value argv[ARG_1] = {0};
181 napi_value jsthis = nullptr;
182 void* data = nullptr;
183
184 napi_status status = napi_get_cb_info(env, info, &argc, argv, &jsthis, &data);
185
186 THERMAL_HILOGI(COMP_FWK, "EnumThermalLevelConstructor %{public}d", status);
187 if (status != napi_ok) {
188 return nullptr;
189 }
190 return jsthis;
191 }
192
GetThermalLevel(napi_env env,napi_callback_info info)193 napi_value ThermalManagerNapi::GetThermalLevel(napi_env env, napi_callback_info info)
194 {
195 ThermalLevel level = g_thermalMgrClient.GetThermalLevel();
196 int32_t levelValue = static_cast<int32_t>(level);
197 napi_value napiValue;
198 NAPI_CALL(env, napi_create_int32(env, levelValue, &napiValue));
199
200 THERMAL_HILOGI(COMP_FWK, "level is %{public}d", levelValue);
201 return napiValue;
202 }
203
SubscribeThermalLevel(napi_env env,napi_callback_info info)204 napi_value ThermalManagerNapi::SubscribeThermalLevel(napi_env env, napi_callback_info info)
205 {
206 size_t argc = MAX_ARGC;
207 napi_value argv[argc];
208 NapiUtils::GetCallbackInfo(env, info, argc, argv);
209
210 NapiErrors error;
211 if (argc != MAX_ARGC || !NapiUtils::CheckValueType(env, argv[ARG_0], napi_function)) {
212 return error.ThrowError(env, ThermalErrors::ERR_PARAM_INVALID);
213 }
214
215 napi_value result;
216 napi_get_undefined(env, &result);
217
218 THERMAL_RETURN_IF_WITH_RET(g_thermalLevelCallback == nullptr, result);
219 g_thermalLevelCallback->ReleaseCallback();
220 g_thermalLevelCallback->UpdateCallback(env, argv[ARG_0]);
221 g_thermalMgrClient.SubscribeThermalLevelCallback(g_thermalLevelCallback);
222
223 return result;
224 }
225
UnSubscribeThermalLevel(napi_env env,napi_callback_info info)226 napi_value ThermalManagerNapi::UnSubscribeThermalLevel(napi_env env, napi_callback_info info)
227 {
228 size_t argc = MAX_ARGC;
229 napi_value argv[argc];
230 NapiUtils::GetCallbackInfo(env, info, argc, argv);
231
232 THERMAL_RETURN_IF_WITH_RET(g_thermalLevelCallback == nullptr, nullptr);
233 g_thermalLevelCallback->ReleaseCallback();
234 g_thermalMgrClient.UnSubscribeThermalLevelCallback(g_thermalLevelCallback);
235
236 THERMAL_RETURN_IF_WITH_RET(argc == ARG_0, nullptr);
237 NapiErrors error;
238 if (argc > MAX_ARGC || !NapiUtils::CheckValueType(env, argv[ARG_0], napi_function)) {
239 return error.ThrowError(env, ThermalErrors::ERR_PARAM_INVALID);
240 }
241
242 napi_value handler = nullptr;
243 napi_ref handlerRef = nullptr;
244 napi_create_reference(env, argv[ARG_0], 1, &handlerRef);
245 napi_get_reference_value(env, handlerRef, &handler);
246 napi_delete_reference(env, handlerRef);
247
248 napi_value result = nullptr;
249 if (handler == nullptr) {
250 THERMAL_HILOGW(COMP_FWK, "Handler should not be nullptr");
251 return result;
252 }
253
254 napi_get_undefined(env, &result);
255 napi_status status = napi_call_function(env, nullptr, handler, ARG_0, nullptr, &result);
256 if (status != napi_ok) {
257 THERMAL_HILOGW(COMP_FWK, "status=%{public}d", status);
258 return result;
259 }
260 return result;
261 }
262
263 EXTERN_C_START
264 /*
265 * function for module exports
266 */
ThermalInit(napi_env env,napi_value exports)267 static napi_value ThermalInit(napi_env env, napi_value exports)
268 {
269 THERMAL_HILOGD(COMP_FWK, "Enter");
270
271 napi_value ret = ThermalManagerNapi::Init(env, exports);
272
273 THERMAL_HILOGD(COMP_FWK, "Exit");
274
275 return ret;
276 }
277 EXTERN_C_END
278
279 /*
280 * Module definition
281 */
282 static napi_module g_module = {.nm_version = 1,
283 .nm_flags = 0,
284 .nm_filename = "thermal",
285 .nm_register_func = ThermalInit,
286 .nm_modname = "thermal",
287 .nm_priv = ((void*)0),
288 .reserved = {0}};
289
290 /*
291 * Module registration
292 */
RegisterModule()293 extern "C" __attribute__((constructor)) void RegisterModule()
294 {
295 napi_module_register(&g_module);
296 }
297