1 /*
2 * Copyright (C) 2022 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 #include "napi_bluetooth_hid_host_observer.h"
16
17 #include "bluetooth_log.h"
18 #include "bluetooth_utils.h"
19 #include "napi/native_api.h"
20 #include "napi/native_node_api.h"
21
22 #include <uv.h>
23
24 namespace OHOS {
25 namespace Bluetooth {
OnConnectionStateChanged(const BluetoothRemoteDevice & device,int state)26 void NapiBluetoothHidHostObserver::OnConnectionStateChanged(const BluetoothRemoteDevice &device, int state)
27 {
28 if (!callbackInfos_[STR_BT_HID_HOST_OBSERVER_CONNECTION_STATE_CHANGE]) {
29 HILOGW("This callback is not registered by ability.");
30 return;
31 }
32 HILOGI("addr:%{public}s, state:%{public}d", GET_ENCRYPT_ADDR(device), state);
33 std::shared_ptr<BluetoothCallbackInfo> callbackInfo =
34 callbackInfos_[STR_BT_HID_HOST_OBSERVER_CONNECTION_STATE_CHANGE];
35
36 callbackInfo->state_ = state;
37 callbackInfo->deviceId_ = device.GetDeviceAddr();
38 uv_loop_s *loop = nullptr;
39 napi_get_uv_event_loop(callbackInfo->env_, &loop);
40 uv_work_t *work = new uv_work_t;
41 work->data = (void*)callbackInfo.get();
42
43 uv_queue_work(
44 loop,
45 work,
46 [](uv_work_t *work) {},
47 [](uv_work_t *work, int status) {
48 BluetoothCallbackInfo *callbackInfo = (BluetoothCallbackInfo *)work->data;
49 napi_value result = nullptr;
50 napi_create_object(callbackInfo->env_, &result);
51 ConvertStateChangeParamToJS(callbackInfo->env_, result, callbackInfo->deviceId_,
52 callbackInfo->state_);
53 napi_value callback = nullptr;
54 napi_value undefined = nullptr;
55 napi_value callResult = nullptr;
56 napi_get_undefined(callbackInfo->env_, &undefined);
57 napi_get_reference_value(callbackInfo->env_, callbackInfo->callback_, &callback);
58 napi_call_function(callbackInfo->env_, undefined, callback, ARGS_SIZE_ONE, &result, &callResult);
59 }
60 );
61 }
62 } // namespace Bluetooth
63 } // namespace OHOS