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