1 /* 2 * Copyright (c) 2023 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 DISPLAY_EVENT_MONITOR_H 17 #define DISPLAY_EVENT_MONITOR_H 18 19 #include "nocopyable.h" 20 #include "singleton.h" 21 22 namespace OHOS { 23 namespace MMI { 24 class DisplayEventMonitor final { 25 DECLARE_DELAYED_SINGLETON(DisplayEventMonitor); 26 public: 27 DISALLOW_COPY_AND_MOVE(DisplayEventMonitor); 28 29 void InitCommonEventSubscriber(); 30 private: 31 bool hasInit_ { false }; 32 }; 33 #define DISPLAY_MONITOR ::OHOS::DelayedSingleton<DisplayEventMonitor>::GetInstance() 34 } // namespace MMI 35 } // namespace OHOS 36 #endif // DISPLAY_EVENT_MONITOR_H 37