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 "display_manager.h" 21 #include "display_info.h" 22 #include "dm_common.h" 23 #include "event_handler.h" 24 #include "singleton.h" 25 #include "magnification_manager.h" 26 27 namespace OHOS { 28 namespace Accessibility { 29 class AccessibilityDisplayManager { 30 DECLARE_SINGLETON(AccessibilityDisplayManager) 31 public: 32 const sptr<Rosen::Display> GetDisplay(uint64_t id); 33 std::vector<sptr<Rosen::Display>> GetDisplays(); 34 const sptr<Rosen::Display> GetDefaultDisplay(); 35 uint64_t GetDefaultDisplayId(); 36 int32_t GetDefaultDisplayDpi(); 37 sptr<Rosen::Display> GetDefaultDisplaySync(); 38 int32_t GetWidth(); 39 int32_t GetHeight(); 40 OHOS::Rosen::DisplayOrientation GetOrientation(); 41 bool IsFoldable(); 42 Rosen::FoldDisplayMode GetFoldDisplayMode(); 43 Rosen::FoldStatus GetFoldStatus(); 44 void SetDisplayScale(const uint64_t screenId, float scaleX, float scaleY, float pivotX, float pivotY); 45 46 void RegisterDisplayListener(const std::shared_ptr<MagnificationManager> &manager); 47 void UnregisterDisplayListener(); 48 RotationType GetRotationType(Rosen::DisplayOrientation prev, Rosen::DisplayOrientation curr); 49 private: 50 class DisplayListener : public Rosen::DisplayManager::IDisplayListener { 51 public: DisplayListener(const std::shared_ptr<MagnificationManager> & manager)52 explicit DisplayListener(const std::shared_ptr<MagnificationManager> &manager) 53 : manager_(manager) {} 54 ~DisplayListener() = default; 55 OnCreate(Rosen::DisplayId dId)56 virtual void OnCreate(Rosen::DisplayId dId) override {} OnDestroy(Rosen::DisplayId dId)57 virtual void OnDestroy(Rosen::DisplayId dId) override {} 58 virtual void OnChange(Rosen::DisplayId dId) override; 59 60 void OnChangeForWideFold(OHOS::Rosen::DisplayOrientation currentOrientation, 61 OHOS::Rosen::FoldDisplayMode currentMode); 62 void OnChangeForBigFold(OHOS::Rosen::DisplayOrientation currentOrientation, 63 OHOS::Rosen::FoldDisplayMode currentMode); 64 void OnChangeDefault(OHOS::Rosen::DisplayOrientation currentOrientation); 65 OHOS::Rosen::DisplayOrientation orientation_ = OHOS::Rosen::DisplayOrientation::UNKNOWN; 66 OHOS::Rosen::FoldDisplayMode displayMode_ = Rosen::FoldDisplayMode::UNKNOWN; 67 private: 68 std::shared_ptr<MagnificationManager> manager_ = nullptr; 69 }; 70 71 sptr<DisplayListener> listener_ = nullptr; 72 std::shared_ptr<AppExecFwk::EventHandler> handler_ = nullptr; 73 }; 74 } // namespace Accessibility 75 } // namespace OHOS 76 #endif // ACCESSIBILITY_DISPLAY_MANAGER_H