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 INPUTMETHOD_IMF_FREEZE_MANAGER_H 17 #define INPUTMETHOD_IMF_FREEZE_MANAGER_H 18 19 #include "event_handler.h" 20 21 namespace OHOS { 22 namespace MiscServices { 23 enum class RequestType : int32_t { NORMAL = 0, START_INPUT, STOP_INPUT, REQUEST_SHOW, REQUEST_HIDE }; 24 class FreezeManager { 25 public: FreezeManager(pid_t pid)26 explicit FreezeManager(pid_t pid) : pid_(pid) 27 { 28 } 29 static void SetEventHandler(const std::shared_ptr<AppExecFwk::EventHandler> &eventHandler); 30 bool IsIpcNeeded(RequestType type); 31 void BeforeIpc(RequestType type); 32 void AfterIpc(RequestType type, bool isSuccess); 33 bool IsImeInUse(); 34 35 private: 36 static std::shared_ptr<AppExecFwk::EventHandler> eventHandler_; 37 void ControlIme(bool shouldFreeze); 38 static void ReportRss(bool shouldFreeze, pid_t pid); 39 std::mutex mutex_; 40 bool isImeInUse_{ false }; 41 bool isFrozen_{ true }; 42 pid_t pid_; 43 }; 44 } // namespace MiscServices 45 } // namespace OHOS 46 #endif //INPUTMETHOD_IMF_FREEZE_MANAGER_H 47