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
16 #include "bluetooth_hid_host.h"
17
18 #include "bluetooth_errorcode.h"
19 #include "bluetooth_log.h"
20 #include "bluetooth_utils.h"
21 #include "napi_async_work.h"
22 #include "napi_bluetooth_hid_host_observer.h"
23 #include "napi_bluetooth_error.h"
24 #include "napi_bluetooth_utils.h"
25 #include "napi_bluetooth_profile.h"
26 #include "napi_bluetooth_hid_host.h"
27
28 namespace OHOS {
29 namespace Bluetooth {
30 using namespace std;
31 NapiBluetoothHidHostObserver NapiBluetoothHidHost::observer_;
32 thread_local napi_ref NapiBluetoothHidHost::consRef_ = nullptr;
33
DefineHidHostJSClass(napi_env env,napi_value exports)34 void NapiBluetoothHidHost::DefineHidHostJSClass(napi_env env, napi_value exports)
35 {
36 napi_value constructor;
37 napi_property_descriptor properties[] = {
38 DECLARE_NAPI_FUNCTION("on", On),
39 DECLARE_NAPI_FUNCTION("off", Off),
40 #ifdef BLUETOOTH_API_SINCE_10
41 DECLARE_NAPI_FUNCTION("getConnectedDevices", GetConnectionDevices),
42 DECLARE_NAPI_FUNCTION("getConnectionState", GetDeviceState),
43 #else
44 DECLARE_NAPI_FUNCTION("getConnectionDevices", GetConnectionDevices),
45 DECLARE_NAPI_FUNCTION("getDeviceState", GetDeviceState),
46 #endif
47 DECLARE_NAPI_FUNCTION("connect", Connect),
48 DECLARE_NAPI_FUNCTION("disconnect", Disconnect),
49 DECLARE_NAPI_FUNCTION("setConnectionStrategy", SetConnectionStrategy),
50 DECLARE_NAPI_FUNCTION("getConnectionStrategy", GetConnectionStrategy),
51 };
52
53 napi_define_class(env, "NapiBluetoothHidHost", NAPI_AUTO_LENGTH, HidHostConstructor, nullptr,
54 sizeof(properties) / sizeof(properties[0]), properties, &constructor);
55 #ifdef BLUETOOTH_API_SINCE_10
56 DefineCreateProfile(env, exports);
57 napi_create_reference(env, constructor, 1, &consRef_);
58 #else
59 napi_value napiProfile;
60 napi_new_instance(env, constructor, 0, nullptr, &napiProfile);
61 NapiProfile::SetProfile(env, ProfileId::PROFILE_HID_HOST, napiProfile);
62 HidHost *profile = HidHost::GetProfile();
63 profile->RegisterObserver(&observer_);
64 #endif
65 HILOGI("finished");
66 }
67
DefineCreateProfile(napi_env env,napi_value exports)68 napi_value NapiBluetoothHidHost::DefineCreateProfile(napi_env env, napi_value exports)
69 {
70 napi_property_descriptor properties[] = {
71 DECLARE_NAPI_FUNCTION("createHidHostProfile", CreateHidHostProfile),
72 };
73 napi_define_properties(env, exports, sizeof(properties) / sizeof(properties[0]), properties);
74 return exports;
75 }
76
CreateHidHostProfile(napi_env env,napi_callback_info info)77 napi_value NapiBluetoothHidHost::CreateHidHostProfile(napi_env env, napi_callback_info info)
78 {
79 HILOGI("enter");
80 napi_value napiProfile;
81 napi_value constructor = nullptr;
82 napi_get_reference_value(env, consRef_, &constructor);
83 napi_new_instance(env, constructor, 0, nullptr, &napiProfile);
84 NapiProfile::SetProfile(env, ProfileId::PROFILE_HID_HOST, napiProfile);
85
86 HidHost *profile = HidHost::GetProfile();
87 profile->RegisterObserver(&observer_);
88
89 return napiProfile;
90 }
91
92
HidHostConstructor(napi_env env,napi_callback_info info)93 napi_value NapiBluetoothHidHost::HidHostConstructor(napi_env env, napi_callback_info info)
94 {
95 napi_value thisVar = nullptr;
96 napi_get_cb_info(env, info, nullptr, nullptr, &thisVar, nullptr);
97 return thisVar;
98 }
99
On(napi_env env,napi_callback_info info)100 napi_value NapiBluetoothHidHost::On(napi_env env, napi_callback_info info)
101 {
102 HILOGI("enter");
103 size_t expectedArgsCount = ARGS_SIZE_TWO;
104 size_t argc = expectedArgsCount;
105 napi_value argv[ARGS_SIZE_TWO] = {0};
106 napi_value thisVar = nullptr;
107
108 napi_value ret = nullptr;
109 napi_get_undefined(env, &ret);
110
111 napi_get_cb_info(env, info, &argc, argv, &thisVar, nullptr);
112 if (argc != expectedArgsCount) {
113 HILOGE("Requires 2 argument.");
114 return ret;
115 }
116 string type;
117 if (!ParseString(env, type, argv[PARAM0])) {
118 HILOGE("string expected.");
119 return ret;
120 }
121 std::shared_ptr<BluetoothCallbackInfo> callbackInfo = std::make_shared<BluetoothCallbackInfo>();
122 callbackInfo->env_ = env;
123
124 napi_valuetype valueType = napi_undefined;
125 napi_typeof(env, argv[PARAM1], &valueType);
126 if (valueType != napi_function) {
127 HILOGE("Wrong argument type. Function expected.");
128 return ret;
129 }
130 napi_create_reference(env, argv[PARAM1], 1, &callbackInfo->callback_);
131 observer_.callbackInfos_[type] = callbackInfo;
132 HILOGI("%{public}s is registered", type.c_str());
133 return ret;
134 }
135
Off(napi_env env,napi_callback_info info)136 napi_value NapiBluetoothHidHost::Off(napi_env env, napi_callback_info info)
137 {
138 HILOGI("enter");
139 size_t expectedArgsCount = ARGS_SIZE_ONE;
140 size_t argc = expectedArgsCount;
141 napi_value argv[ARGS_SIZE_ONE] = {0};
142 napi_value thisVar = nullptr;
143
144 napi_value ret = nullptr;
145 napi_get_undefined(env, &ret);
146
147 napi_get_cb_info(env, info, &argc, argv, &thisVar, nullptr);
148 if (argc != expectedArgsCount) {
149 HILOGE("Requires 1 argument.");
150 return ret;
151 }
152 string type;
153 if (!ParseString(env, type, argv[PARAM0])) {
154 HILOGE("string expected.");
155 return ret;
156 }
157
158 if (observer_.callbackInfos_[type] != nullptr) {
159 std::shared_ptr<BluetoothCallbackInfo> callbackInfo = observer_.callbackInfos_[type];
160 napi_delete_reference(env, callbackInfo->callback_);
161 }
162 observer_.callbackInfos_[type] = nullptr;
163 HILOGI("%{public}s is unregistered", type.c_str());
164 return ret;
165 }
166
GetConnectionDevices(napi_env env,napi_callback_info info)167 napi_value NapiBluetoothHidHost::GetConnectionDevices(napi_env env, napi_callback_info info)
168 {
169 HILOGI("enter");
170
171 napi_value ret = nullptr;
172 if (napi_create_array(env, &ret) != napi_ok) {
173 HILOGE("napi_create_array failed.");
174 }
175 napi_status checkRet = CheckEmptyParam(env, info);
176 NAPI_BT_ASSERT_RETURN(env, checkRet == napi_ok, BT_ERR_INVALID_PARAM, ret);
177
178 HidHost *profile = HidHost::GetProfile();
179 vector<int> states = { static_cast<int>(BTConnectState::CONNECTED) };
180 vector<BluetoothRemoteDevice> devices;
181 int errorCode = profile->GetDevicesByStates(states, devices);
182 HILOGI("errorCode:%{public}s, devices size:%{public}zu", GetErrorCode(errorCode).c_str(), devices.size());
183 NAPI_BT_ASSERT_RETURN(env, errorCode == BT_NO_ERROR, errorCode, ret);
184
185 vector<string> deviceVector;
186 for (auto &device: devices) {
187 deviceVector.push_back(device.GetDeviceAddr());
188 }
189 ConvertStringVectorToJS(env, ret, deviceVector);
190 return ret;
191 }
192
GetDeviceState(napi_env env,napi_callback_info info)193 napi_value NapiBluetoothHidHost::GetDeviceState(napi_env env, napi_callback_info info)
194 {
195 HILOGI("enter");
196 napi_value result = nullptr;
197 int32_t profileState = ProfileConnectionState::STATE_DISCONNECTED;
198 if (napi_create_int32(env, profileState, &result) != napi_ok) {
199 HILOGE("napi_create_int32 failed.");
200 }
201
202 std::string remoteAddr {};
203 bool checkRet = CheckDeivceIdParam(env, info, remoteAddr);
204 NAPI_BT_ASSERT_RETURN(env, checkRet, BT_ERR_INVALID_PARAM, result);
205
206 HidHost *profile = HidHost::GetProfile();
207 BluetoothRemoteDevice device(remoteAddr, BT_TRANSPORT_BREDR);
208 int32_t state = static_cast<int32_t>(BTConnectState::DISCONNECTED);
209 int32_t errorCode = profile->GetDeviceState(device, state);
210 HILOGI("errorCode:%{public}s", GetErrorCode(errorCode).c_str());
211 NAPI_BT_ASSERT_RETURN(env, errorCode == BT_NO_ERROR, errorCode, result);
212
213 profileState = GetProfileConnectionState(state);
214 if (napi_create_int32(env, profileState, &result) != napi_ok) {
215 HILOGE("napi_create_int32 failed.");
216 }
217 HILOGI("profileState: %{public}d", profileState);
218 return result;
219 }
220
Connect(napi_env env,napi_callback_info info)221 napi_value NapiBluetoothHidHost::Connect(napi_env env, napi_callback_info info)
222 {
223 HILOGI("enter");
224 std::string remoteAddr {};
225 bool checkRet = CheckDeivceIdParam(env, info, remoteAddr);
226 NAPI_BT_ASSERT_RETURN_FALSE(env, checkRet, BT_ERR_INVALID_PARAM);
227
228 HidHost *profile = HidHost::GetProfile();
229 BluetoothRemoteDevice device(remoteAddr, BT_TRANSPORT_BREDR);
230 int32_t errorCode = profile->Connect(device);
231 HILOGI("errorCode:%{public}s", GetErrorCode(errorCode).c_str());
232 NAPI_BT_ASSERT_RETURN_FALSE(env, errorCode == BT_NO_ERROR, errorCode);
233 return NapiGetBooleanTrue(env);
234 }
235
Disconnect(napi_env env,napi_callback_info info)236 napi_value NapiBluetoothHidHost::Disconnect(napi_env env, napi_callback_info info)
237 {
238 HILOGI("Disconnect called");
239 std::string remoteAddr {};
240 bool checkRet = CheckDeivceIdParam(env, info, remoteAddr);
241 NAPI_BT_ASSERT_RETURN_FALSE(env, checkRet, BT_ERR_INVALID_PARAM);
242
243 HidHost *profile = HidHost::GetProfile();
244 BluetoothRemoteDevice device(remoteAddr, BT_TRANSPORT_BREDR);
245 int32_t errorCode = profile->Disconnect(device);
246 HILOGI("errorCode:%{public}s", GetErrorCode(errorCode).c_str());
247 NAPI_BT_ASSERT_RETURN_FALSE(env, errorCode == BT_NO_ERROR, errorCode);
248 return NapiGetBooleanTrue(env);
249 }
250
SetConnectionStrategy(napi_env env,napi_callback_info info)251 napi_value NapiBluetoothHidHost::SetConnectionStrategy(napi_env env, napi_callback_info info)
252 {
253 HILOGI("start");
254 std::string remoteAddr {};
255 int32_t strategy = 0;
256 auto status = CheckSetConnectStrategyParam(env, info, remoteAddr, strategy);
257 NAPI_BT_ASSERT_RETURN_UNDEF(env, status == napi_ok, BT_ERR_INVALID_PARAM);
258
259 auto func = [remoteAddr, strategy]() {
260 BluetoothRemoteDevice remoteDevice(remoteAddr, BT_TRANSPORT_BREDR);
261 HidHost *profile = HidHost::GetProfile();
262 int32_t err = profile->SetConnectStrategy(remoteDevice, strategy);
263 HILOGI("err: %{public}d", err);
264 return NapiAsyncWorkRet(err);
265 };
266 auto asyncWork = NapiAsyncWorkFactory::CreateAsyncWork(env, info, func, ASYNC_WORK_NO_NEED_CALLBACK);
267 NAPI_BT_ASSERT_RETURN_UNDEF(env, asyncWork, BT_ERR_INTERNAL_ERROR);
268 asyncWork->Run();
269 return asyncWork->GetRet();
270 }
271
GetConnectionStrategy(napi_env env,napi_callback_info info)272 napi_value NapiBluetoothHidHost::GetConnectionStrategy(napi_env env, napi_callback_info info)
273 {
274 HILOGI("start");
275 std::string remoteAddr {};
276 auto status = CheckDeviceAddressParam(env, info, remoteAddr);
277 NAPI_BT_ASSERT_RETURN_UNDEF(env, status == napi_ok, BT_ERR_INVALID_PARAM);
278
279 auto func = [remoteAddr]() {
280 int strategy = 0;
281 BluetoothRemoteDevice remoteDevice(remoteAddr, BT_TRANSPORT_BREDR);
282 HidHost *profile = HidHost::GetProfile();
283 int32_t err = profile->GetConnectStrategy(remoteDevice, strategy);
284 HILOGI("err: %{public}d, deviceName: %{public}d", err, strategy);
285 auto object = std::make_shared<NapiNativeInt>(strategy);
286 return NapiAsyncWorkRet(err, object);
287 };
288 auto asyncWork = NapiAsyncWorkFactory::CreateAsyncWork(env, info, func, ASYNC_WORK_NO_NEED_CALLBACK);
289 NAPI_BT_ASSERT_RETURN_UNDEF(env, asyncWork, BT_ERR_INTERNAL_ERROR);
290 asyncWork->Run();
291 return asyncWork->GetRet();
292 }
293 } // namespace Bluetooth
294 } // namespace OHOS