1 /*
2 * Copyright (c) 2024-2025 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 "account_log_wrapper.h"
17 #include "distributed_account_event_service.h"
18
19 namespace OHOS {
20 namespace AccountSA {
DistributedAccountEventService()21 DistributedAccountEventService::DistributedAccountEventService()
22 {}
23
~DistributedAccountEventService()24 DistributedAccountEventService::~DistributedAccountEventService()
25 {}
26
GetCallbackSize()27 int32_t DistributedAccountEventService::GetCallbackSize()
28 {
29 std::lock_guard<std::mutex> lock(mapLock_);
30 return callbackMap_.size();
31 }
32
IsTypeExist(const DISTRIBUTED_ACCOUNT_SUBSCRIBE_TYPE type,const std::shared_ptr<DistributedAccountSubscribeCallback> & callback)33 bool DistributedAccountEventService::IsTypeExist(const DISTRIBUTED_ACCOUNT_SUBSCRIBE_TYPE type,
34 const std::shared_ptr<DistributedAccountSubscribeCallback> &callback)
35 {
36 std::lock_guard<std::mutex> lock(mapLock_);
37 auto it = callbackMap_.find(callback);
38 if (it == callbackMap_.end()) {
39 return false;
40 }
41 auto types = it->second;
42 return types.find(type) != types.end();
43 }
44
AddType(const DISTRIBUTED_ACCOUNT_SUBSCRIBE_TYPE type,const std::shared_ptr<DistributedAccountSubscribeCallback> & callback)45 void DistributedAccountEventService::AddType(const DISTRIBUTED_ACCOUNT_SUBSCRIBE_TYPE type,
46 const std::shared_ptr<DistributedAccountSubscribeCallback> &callback)
47 {
48 if (callback == nullptr) {
49 return;
50 }
51 std::lock_guard<std::mutex> lock(mapLock_);
52 auto it = callbackMap_.find(callback);
53 if (it == callbackMap_.end()) {
54 callbackMap_[callback] = {type};
55 } else {
56 it->second.insert(type);
57 }
58
59 auto itemType = typeMap_.find(type);
60 if (itemType == typeMap_.end()) {
61 typeMap_[type] = {callback};
62 } else {
63 itemType->second.insert(callback);
64 }
65 ACCOUNT_LOGI("Distributed client subscribe, type size=%{public}zu, callback size=%{public}zu.",
66 typeMap_.size(), callbackMap_.size());
67 }
68
DeleteType(const DISTRIBUTED_ACCOUNT_SUBSCRIBE_TYPE type,const std::shared_ptr<DistributedAccountSubscribeCallback> & callback)69 void DistributedAccountEventService::DeleteType(const DISTRIBUTED_ACCOUNT_SUBSCRIBE_TYPE type,
70 const std::shared_ptr<DistributedAccountSubscribeCallback> &callback)
71 {
72 if (callback == nullptr) {
73 return;
74 }
75 std::lock_guard<std::mutex> lock(mapLock_);
76 auto it = callbackMap_.find(callback);
77 if (it == callbackMap_.end()) {
78 return;
79 }
80 it->second.erase(type);
81
82 if (it->second.size() == 0) {
83 callbackMap_.erase(it);
84 }
85
86 auto itemType = typeMap_.find(type);
87 if (itemType == typeMap_.end()) {
88 return;
89 }
90 itemType->second.erase(callback);
91 if (itemType->second.size() == 0) {
92 typeMap_.erase(itemType);
93 }
94 ACCOUNT_LOGI("Distributed client unsubscribe, type size=%{public}zu, callback size=%{public}zu.",
95 typeMap_.size(), callbackMap_.size());
96 }
97
GetAllType(std::set<DISTRIBUTED_ACCOUNT_SUBSCRIBE_TYPE> & typeList)98 void DistributedAccountEventService::GetAllType(std::set<DISTRIBUTED_ACCOUNT_SUBSCRIBE_TYPE> &typeList)
99 {
100 std::lock_guard<std::mutex> lock(mapLock_);
101 for (auto &item : typeMap_) {
102 typeList.insert(item.first);
103 }
104 }
105
OnAccountsChanged(const DistributedAccountEventData & eventData)106 ErrCode DistributedAccountEventService::OnAccountsChanged(const DistributedAccountEventData &eventData)
107 {
108 std::lock_guard<std::mutex> lock(mapLock_);
109 auto it = typeMap_.find(eventData.type_);
110 if (it == typeMap_.end()) {
111 ACCOUNT_LOGI("callback is empty");
112 return ERR_OK;
113 }
114 for (const auto &item : it->second) {
115 item->OnAccountsChanged(eventData);
116 }
117 return ERR_OK;
118 }
119
GetInstance()120 DistributedAccountEventService *DistributedAccountEventService::GetInstance()
121 {
122 static sptr<DistributedAccountEventService> instance = new (std::nothrow) DistributedAccountEventService();
123 return instance.GetRefPtr();
124 }
125 } // namespace AccountSA
126 } // namespace OHOS
127