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
16 #include "netshare_observer_wrapper.h"
17
18 #include "constant.h"
19 #include "module_template.h"
20 #include "net_manager_constants.h"
21 #include "netmanager_ext_log.h"
22 #include "networkshare_client.h"
23 #include "networkshare_constants.h"
24
25 namespace OHOS {
26 namespace NetManagerStandard {
NetShareObserverWrapper()27 NetShareObserverWrapper::NetShareObserverWrapper()
28 {
29 observer_ = new NetShareCallbackObserver();
30 manager_ = new EventManager();
31 }
32
~NetShareObserverWrapper()33 NetShareObserverWrapper::~NetShareObserverWrapper()
34 {
35 if (manager_ != nullptr) {
36 delete manager_;
37 manager_ = nullptr;
38 }
39 }
40
On(napi_env env,napi_callback_info info,const std::initializer_list<std::string_view> & events,bool asyncCallback)41 napi_value NetShareObserverWrapper::On(napi_env env, napi_callback_info info,
42 const std::initializer_list<std::string_view> &events, bool asyncCallback)
43 {
44 size_t paramsCount = MAX_PARAM_NUM;
45 napi_value params[MAX_PARAM_NUM] = {nullptr};
46 NAPI_CALL(env, napi_get_cb_info(env, info, ¶msCount, params, nullptr, nullptr));
47 if (paramsCount != PARAM_OPTIONS_AND_CALLBACK || NapiUtils::GetValueType(env, params[ARG_INDEX_0]) != napi_string ||
48 NapiUtils::GetValueType(env, params[ARG_INDEX_1]) != napi_function) {
49 NETMANAGER_EXT_LOGE("on off once interface para: [string, function]");
50 napi_throw_error(env, std::to_string(NETMANAGER_EXT_ERR_PARAMETER_ERROR).c_str(), "Parameter error");
51 return NapiUtils::GetUndefined(env);
52 }
53
54 const std::string event = NapiUtils::GetStringFromValueUtf8(env, params[ARG_INDEX_0]);
55
56 if (Register()) {
57 manager_->AddListener(env, event, params[ARG_INDEX_1], false, asyncCallback);
58 }
59
60 return NapiUtils::GetUndefined(env);
61 }
62
Off(napi_env env,napi_callback_info info,const std::initializer_list<std::string_view> & events,bool asyncCallback)63 napi_value NetShareObserverWrapper::Off(napi_env env, napi_callback_info info,
64 const std::initializer_list<std::string_view> &events, bool asyncCallback)
65 {
66 napi_value thisVal = nullptr;
67 size_t paramsCount = MAX_PARAM_NUM;
68 napi_value params[MAX_PARAM_NUM] = {nullptr};
69 NAPI_CALL(env, napi_get_cb_info(env, info, ¶msCount, params, &thisVal, nullptr));
70
71 if ((paramsCount != PARAM_JUST_OPTIONS && paramsCount != PARAM_OPTIONS_AND_CALLBACK) ||
72 NapiUtils::GetValueType(env, params[ARG_INDEX_0]) != napi_string) {
73 NETMANAGER_EXT_LOGE("on off once interface para: [string, function?]");
74 napi_throw_error(env, std::to_string(NETMANAGER_EXT_ERR_PARAMETER_ERROR).c_str(), "Parameter error");
75 return NapiUtils::GetUndefined(env);
76 }
77
78 if (paramsCount == PARAM_OPTIONS_AND_CALLBACK &&
79 NapiUtils::GetValueType(env, params[ARG_INDEX_1]) != napi_function) {
80 NETMANAGER_EXT_LOGE("on off once interface para: [string, function]");
81 return NapiUtils::GetUndefined(env);
82 }
83
84 const std::string event = NapiUtils::GetStringFromValueUtf8(env, params[ARG_INDEX_0]);
85 auto event_iterator = std::find(events.begin(), events.end(), event);
86 if (event_iterator == events.end()) {
87 return NapiUtils::GetUndefined(env);
88 }
89
90 if (paramsCount == PARAM_OPTIONS_AND_CALLBACK) {
91 manager_->DeleteListener(event, params[ARG_INDEX_1]);
92 } else {
93 manager_->DeleteListener(event);
94 }
95
96 if (manager_->IsListenerListEmpty()) {
97 int32_t result = DelayedSingleton<NetworkShareClient>::GetInstance()->UnregisterSharingEvent(observer_);
98 if (result != NETMANAGER_EXT_SUCCESS) {
99 NETMANAGER_EXT_LOGE("unregister result = %{public}d", result);
100 return NapiUtils::GetUndefined(env);
101 }
102 registed_ = false;
103 }
104
105 return NapiUtils::GetUndefined(env);
106 }
107
GetEventManager() const108 EventManager *NetShareObserverWrapper::GetEventManager() const
109 {
110 return manager_;
111 }
112
Register()113 bool NetShareObserverWrapper::Register()
114 {
115 if (registed_) {
116 return true;
117 }
118
119 int32_t result = DelayedSingleton<NetworkShareClient>::GetInstance()->RegisterSharingEvent(observer_);
120 if (result != NETMANAGER_EXT_SUCCESS) {
121 NETMANAGER_EXT_LOGE("RegisterSharingEvent error = %{public}d", result);
122 return false;
123 }
124 return true;
125 }
126 } // namespace NetManagerStandard
127 } // namespace OHOS
128