1 /* 2 * Copyright (C) 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 ACCESSIBILITY_DISPLAY_MANAGER_H 17 #define ACCESSIBILITY_DISPLAY_MANAGER_H 18 19 #include <memory> 20 #include <vector> 21 22 #include "display_manager.h" 23 #include "display.h" 24 25 namespace OHOS { 26 namespace Accessibility { 27 class AccessibilityDisplayManager : public Rosen::DisplayManager::IDisplayListener { 28 public: 29 ~AccessibilityDisplayManager() = default; 30 31 static AccessibilityDisplayManager &GetInstance(); 32 const sptr<Rosen::Display> GetDisplay(int id); 33 std::vector<sptr<Rosen::Display>> GetDisplays(); 34 const sptr<Rosen::Display> GetDefaultDisplay(); 35 void RegisterDisplayChangeListener(); 36 37 virtual void OnCreate(Rosen::DisplayId dId) override; 38 virtual void OnDestroy(Rosen::DisplayId dId) override; 39 virtual void OnChange(Rosen::DisplayId dId) override; 40 41 private: 42 AccessibilityDisplayManager(); 43 }; 44 } // namespace Accessibility 45 } // namespace OHOS 46 #endif // ACCESSIBILITY_DISPLAY_MANAGER_H