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(int32_t id,const std::string & tag,SheetType sheetType)41 SheetPresentationLayoutAlgorithm(int32_t id, const std::string& tag, SheetType sheetType) 42 : targetNodeId_(id), targetTag_(tag), sheetType_(sheetType) 43 { 44 directionCheckFunc_[Placement::BOTTOM] = &SheetPresentationLayoutAlgorithm::CheckDirectionBottom; 45 placementCheckFunc_[Placement::BOTTOM] = &SheetPresentationLayoutAlgorithm::CheckPlacementBottom; 46 placementCheckFunc_[Placement::BOTTOM_LEFT] = &SheetPresentationLayoutAlgorithm::CheckPlacementBottomLeft; 47 placementCheckFunc_[Placement::BOTTOM_RIGHT] = &SheetPresentationLayoutAlgorithm::CheckPlacementBottomRight; 48 getOffsetFunc_[Placement::BOTTOM] = &SheetPresentationLayoutAlgorithm::GetOffsetWithBottom; 49 getOffsetFunc_[Placement::BOTTOM_LEFT] = &SheetPresentationLayoutAlgorithm::GetOffsetWithBottomLeft; 50 getOffsetFunc_[Placement::BOTTOM_RIGHT] = &SheetPresentationLayoutAlgorithm::GetOffsetWithBottomRight; 51 } 52 ~SheetPresentationLayoutAlgorithm() override = default; 53 54 void InitParameter(); OnReset()55 void OnReset() override {} 56 void Measure(LayoutWrapper* layoutWrapper) override; 57 void Layout(LayoutWrapper* layoutWrapper) override; GetSheetMaxHeight()58 float GetSheetMaxHeight() 59 { 60 return sheetMaxHeight_; 61 } 62 GetSheetMaxWidth()63 float GetSheetMaxWidth() 64 { 65 return sheetMaxWidth_; 66 } 67 GetCenterHeight()68 float GetCenterHeight() 69 { 70 return sheetHeight_; 71 } 72 GetSheetOffsetX()73 float GetSheetOffsetX() 74 { 75 return sheetOffsetX_; 76 } 77 GetSheetOffsetY()78 float GetSheetOffsetY() 79 { 80 return sheetOffsetY_; 81 } 82 GetArrowOffsetX()83 float GetArrowOffsetX() const 84 { 85 return arrowOffsetX_; 86 } 87 88 void CalculateSheetHeightInOtherScenes(LayoutWrapper* layoutWrapper); 89 void CalculateSheetOffsetInOtherScenes(LayoutWrapper* layoutWrapper); 90 private: 91 int32_t targetNodeId_ = -1; 92 std::string targetTag_; 93 OffsetF GetPopupStyleSheetOffset(); 94 OffsetF GetOffsetInAvoidanceRule(const SizeF& targetSize, const OffsetF& targetOffset); 95 Placement AvoidanceRuleOfPlacement( 96 const Placement& currentPlacement, const SizeF& targetSize, const OffsetF& targetOffset); 97 bool CheckDirectionBottom(const SizeF&, const OffsetF&); 98 bool CheckPlacementBottom(const SizeF&, const OffsetF&); 99 bool CheckPlacementBottomLeft(const SizeF&, const OffsetF&); 100 bool CheckPlacementBottomRight(const SizeF&, const OffsetF&); 101 OffsetF GetOffsetWithBottom(const SizeF&, const OffsetF&); 102 OffsetF GetOffsetWithBottomLeft(const SizeF&, const OffsetF&); 103 OffsetF GetOffsetWithBottomRight(const SizeF&, const OffsetF&); 104 105 float GetWidthByScreenSizeType(const SizeF& maxSize, LayoutWrapper* layoutWrapper) const; 106 float GetHeightByScreenSizeType(const SizeF& maxSize) const; 107 float GetHeightBySheetStyle() const; 108 bool SheetInSplitWindow() const; 109 LayoutConstraintF CreateSheetChildConstraint(RefPtr<SheetPresentationProperty> layoutprop); 110 float arrowOffsetX_ = 0.0f; // reletive to SheetOffsetX 111 float sheetHeight_ = 0.0f; 112 float sheetWidth_ = 0.0f; 113 float sheetMaxHeight_ = 0.0f; 114 float sheetMaxWidth_ = 0.0f; 115 float sheetOffsetX_ = 0.0f; 116 float sheetOffsetY_ = 0.0f; 117 float sheetRadius_ = 0.0f; 118 SheetType sheetType_ = SheetType::SHEET_BOTTOM; 119 SheetStyle sheetStyle_; 120 bool isRightAngleArrow_ = false; 121 bool isKeyBoardShow_ = false; 122 bool isHoverMode_ = false; 123 HoverModeAreaType hoverModeArea_ = HoverModeAreaType::BOTTOM_SCREEN; 124 using DirectionCheckFunc = bool (SheetPresentationLayoutAlgorithm::*)(const SizeF&, const OffsetF&); 125 std::unordered_map<Placement, DirectionCheckFunc> directionCheckFunc_; 126 using PlacementCheckFunc = bool (SheetPresentationLayoutAlgorithm::*)(const SizeF&, const OffsetF&); 127 std::unordered_map<Placement, PlacementCheckFunc> placementCheckFunc_; 128 using OffsetGetFunc = OffsetF (SheetPresentationLayoutAlgorithm::*)(const SizeF&, const OffsetF&); 129 std::unordered_map<Placement, OffsetGetFunc> getOffsetFunc_; 130 ACE_DISALLOW_COPY_AND_MOVE(SheetPresentationLayoutAlgorithm); 131 }; 132 } // namespace OHOS::Ace::NG 133 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERN_OVERLAY_SHEET_PRESENTATION_LAYOUT_ALGORITHM_H