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 #ifndef IMF_WMS_CONNECTION_OBSERVER_H 17 #define IMF_WMS_CONNECTION_OBSERVER_H 18 19 #include <mutex> 20 #include <set> 21 #include <utility> 22 23 #include "window_manager.h" 24 #include "wms_connection_monitor_manager.h" 25 namespace OHOS { 26 namespace MiscServices { 27 class WmsConnectionObserver : public Rosen::IWMSConnectionChangedListener { 28 public: WmsConnectionObserver(ChangeHandler handler)29 explicit WmsConnectionObserver(ChangeHandler handler) : changeHandler_(std::move(handler)){}; 30 ~WmsConnectionObserver() = default; 31 void OnConnected(int32_t userId, int32_t screenId) override; 32 void OnDisconnected(int32_t userId, int32_t screenId) override; 33 static bool IsWmsConnected(int32_t userId); 34 35 private: 36 ChangeHandler changeHandler_ = nullptr; 37 static void Add(int32_t userId); 38 static void Remove(int32_t userId); 39 static std::mutex lock_; 40 static std::set<int32_t> connectedUserId_; 41 }; 42 } // namespace MiscServices 43 } // namespace OHOS 44 45 #endif // IMF_WMS_CONNECTION_OBSERVER_H 46