1 /* 2 * Copyright (c) 2021-2022 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 OHOS_ROSEN_DISPLAY_CHANGE_LISTENER_H 17 #define OHOS_ROSEN_DISPLAY_CHANGE_LISTENER_H 18 19 #include <refbase.h> 20 21 namespace OHOS { 22 namespace Rosen { 23 enum class DisplayStateChangeType : uint32_t { 24 BEFORE_SUSPEND, 25 BEFORE_UNLOCK, 26 UPDATE_ROTATION, 27 SIZE_CHANGE, 28 CREATE, 29 DESTROY, 30 FREEZE, 31 UNFREEZE, 32 VIRTUAL_PIXEL_RATIO_CHANGE, 33 DISPLAY_COMPRESS, 34 }; 35 class IDisplayChangeListener : public RefBase { 36 public: 37 virtual void OnDisplayStateChange(DisplayId defaultDisplayId, sptr<DisplayInfo> info, 38 const std::map<DisplayId, sptr<DisplayInfo>>& displayInfoMap, DisplayStateChangeType type) = 0; 39 virtual void OnScreenshot(DisplayId displayId) = 0; 40 }; 41 } 42 } 43 #endif // OHOS_ROSEN_DISPLAY_CHANGE_LISTENER_H 44