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 FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERN_OVERLAY_SHEET_PRESENTATION_LAYOUT_ALGORITHM_H 17 #define FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERN_OVERLAY_SHEET_PRESENTATION_LAYOUT_ALGORITHM_H 18 19 #include <cstdint> 20 #include <functional> 21 #include <optional> 22 #include <unordered_map> 23 24 #include "base/geometry/axis.h" 25 #include "base/geometry/dimension.h" 26 #include "base/geometry/ng/size_t.h" 27 #include "base/memory/referenced.h" 28 #include "core/components/common/properties/placement.h" 29 #include "core/components_ng/layout/layout_algorithm.h" 30 #include "core/components_ng/layout/layout_wrapper.h" 31 #include "core/components_ng/pattern/linear_layout/linear_layout_algorithm.h" 32 #include "core/components_ng/pattern/overlay/sheet_presentation_property.h" 33 #include "core/components_ng/pattern/overlay/sheet_style.h" 34 35 namespace OHOS::Ace::NG { 36 class ACE_EXPORT SheetPresentationLayoutAlgorithm : public LinearLayoutAlgorithm { 37 DECLARE_ACE_TYPE(SheetPresentationLayoutAlgorithm, LayoutAlgorithm); 38 39 public: 40 SheetPresentationLayoutAlgorithm() = default; SheetPresentationLayoutAlgorithm(SheetType sheetType,SheetPopupInfo popupInfo)41 SheetPresentationLayoutAlgorithm(SheetType sheetType, SheetPopupInfo popupInfo) 42 : sheetType_(sheetType), sheetPopupInfo_(popupInfo) {} 43 ~SheetPresentationLayoutAlgorithm() override = default; 44 45 void InitParameter(); OnReset()46 void OnReset() override {} 47 void Measure(LayoutWrapper* layoutWrapper) override; 48 void Layout(LayoutWrapper* layoutWrapper) override; GetSheetMaxHeight()49 float GetSheetMaxHeight() 50 { 51 return sheetMaxHeight_; 52 } 53 GetSheetMaxWidth()54 float GetSheetMaxWidth() 55 { 56 return sheetMaxWidth_; 57 } 58 GetCenterHeight()59 float GetCenterHeight() 60 { 61 return sheetHeight_; 62 } 63 GetSheetOffsetX()64 float GetSheetOffsetX() 65 { 66 return sheetOffsetX_; 67 } 68 GetSheetOffsetY()69 float GetSheetOffsetY() 70 { 71 return sheetOffsetY_; 72 } 73 74 void UpdatePopupInfoAndRemeasure(LayoutWrapper* layoutWrapper, const SheetPopupInfo& sheetPopupInfo, 75 const float& sheetWidth, const float& sheetHeight); 76 77 void CalculateSheetHeightInOtherScenes(LayoutWrapper* layoutWrapper); 78 void CalculateSheetOffsetInOtherScenes(LayoutWrapper* layoutWrapper); 79 80 void LayoutTitleBuilder(const NG::OffsetF& translate, LayoutWrapper* layoutWrapper); 81 void LayoutScrollNode(const NG::OffsetF& translate, LayoutWrapper* layoutWrapper); 82 void LayoutCloseIcon(const NG::OffsetF& translate, LayoutWrapper* layoutWrapper); 83 private: 84 float GetWidthByScreenSizeType(const float maxWidth, LayoutWrapper* layoutWrapper) const; 85 float GetHeightByScreenSizeType(const float maxHeight, const float maxWidth, LayoutWrapper* layoutWrapper) const; 86 void ComputeCenterStyleOffset(LayoutWrapper* layoutWrapper); 87 void ComputePopupStyleOffset(LayoutWrapper* layoutWrapper); 88 void ComputeWidthAndHeight(LayoutWrapper* layoutWrapper); 89 float ComputeMaxHeight(const float parentConstraintHeight, const float parentConstraintWidth, 90 LayoutWrapper* layoutWrapper) const; 91 float GetHeightBySheetStyle(const float parentConstraintHeight, const float parentConstraintWidth, 92 LayoutWrapper* layoutWrapper) const; 93 bool SheetInSplitWindow() const; 94 LayoutConstraintF CreateSheetChildConstraint( 95 RefPtr<SheetPresentationProperty> layoutprop, LayoutWrapper* layoutWrapper); 96 void UpdateMaxSizeWithPlacement(float& maxWidth, float& maxHeight); 97 void UpdateTranslateOffsetWithPlacement(OffsetF& translate); 98 void AddArrowHeightToSheetSize(); 99 void RemeasureForPopup(const RefPtr<LayoutWrapper>& layoutWrapper); 100 101 float sheetHeight_ = 0.0f; 102 float sheetWidth_ = 0.0f; 103 float sheetMaxHeight_ = 0.0f; 104 float sheetMaxWidth_ = 0.0f; 105 float sheetOffsetX_ = 0.0f; 106 float sheetOffsetY_ = 0.0f; 107 SheetType sheetType_ = SheetType::SHEET_BOTTOM; 108 SheetStyle sheetStyle_; 109 bool isKeyBoardShow_ = false; 110 bool isHoverMode_ = false; 111 HoverModeAreaType hoverModeArea_ = HoverModeAreaType::BOTTOM_SCREEN; 112 using DirectionCheckFunc = bool (SheetPresentationLayoutAlgorithm::*)(const SizeF&, const OffsetF&); 113 std::unordered_map<Placement, DirectionCheckFunc> directionCheckFunc_; 114 using PlacementCheckFunc = bool (SheetPresentationLayoutAlgorithm::*)(const SizeF&, const OffsetF&); 115 std::unordered_map<Placement, PlacementCheckFunc> placementCheckFunc_; 116 using OffsetGetFunc = OffsetF (SheetPresentationLayoutAlgorithm::*)(const SizeF&, const OffsetF&); 117 std::unordered_map<Placement, OffsetGetFunc> getOffsetFunc_; 118 ACE_DISALLOW_COPY_AND_MOVE(SheetPresentationLayoutAlgorithm); 119 SheetPopupInfo sheetPopupInfo_; 120 }; 121 } // namespace OHOS::Ace::NG 122 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERN_OVERLAY_SHEET_PRESENTATION_LAYOUT_ALGORITHM_H