1 /*
2 * Copyright (c) 2024 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 "wms_connection_observer.h"
17
18 #include "global.h"
19 namespace OHOS {
20 namespace MiscServices {
21 std::mutex WmsConnectionObserver::lock_;
22 std::set<int32_t> WmsConnectionObserver::connectedUserId_;
OnConnected(int32_t userId,int32_t screenId)23 void WmsConnectionObserver::OnConnected(int32_t userId, int32_t screenId)
24 {
25 IMSA_HILOGI("WMS connect, userId: %{public}d, screenId: %{public}d.", userId, screenId);
26 Add(userId);
27 if (changeHandler_ != nullptr) {
28 changeHandler_(true, userId, screenId);
29 }
30 }
31
OnDisconnected(int32_t userId,int32_t screenId)32 void WmsConnectionObserver::OnDisconnected(int32_t userId, int32_t screenId)
33 {
34 IMSA_HILOGI("WMS disconnect, userId: %{public}d, screenId: %{public}d.", userId, screenId);
35 Remove(userId);
36 if (changeHandler_ != nullptr) {
37 changeHandler_(false, userId, screenId);
38 }
39 }
40
Add(int32_t userId)41 void WmsConnectionObserver::Add(int32_t userId)
42 {
43 std::lock_guard<std::mutex> lock(lock_);
44 connectedUserId_.insert(userId);
45 }
46
Remove(int32_t userId)47 void WmsConnectionObserver::Remove(int32_t userId)
48 {
49 std::lock_guard<std::mutex> lock(lock_);
50 auto it = connectedUserId_.find(userId);
51 if (it == connectedUserId_.end()) {
52 return;
53 }
54 connectedUserId_.erase(it);
55 }
56
IsWmsConnected(int32_t userId)57 bool WmsConnectionObserver::IsWmsConnected(int32_t userId)
58 {
59 std::lock_guard<std::mutex> lock(lock_);
60 auto it = connectedUserId_.find(userId);
61 return it != connectedUserId_.end();
62 }
63 } // namespace MiscServices
64 } // namespace OHOS