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 #ifndef FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERN_DIALOG_DIALOG_LAYOUT_ALGORITHM_H 16 #define FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERN_DIALOG_DIALOG_LAYOUT_ALGORITHM_H 17 18 #include <string> 19 20 #include "base/geometry/ng/offset_t.h" 21 #include "base/geometry/ng/rect_t.h" 22 #include "base/geometry/ng/size_t.h" 23 #include "core/components/common/layout/grid_layout_info.h" 24 #include "core/components/common/layout/grid_system_manager.h" 25 #include "core/components/common/properties/border.h" 26 #include "core/components/common/properties/edge.h" 27 #include "core/components/common/properties/placement.h" 28 #include "core/components_ng/layout/layout_algorithm.h" 29 #include "core/components_ng/pattern/dialog/dialog_layout_property.h" 30 #include "core/components_ng/pattern/overlay/overlay_manager.h" 31 32 namespace OHOS::Ace::NG { 33 enum class TouchingBoundaryType { 34 NotTouchBoundary = 0, 35 TouchBottomBoundary, 36 TouchRightBoundary, 37 }; 38 // DialogLayoutAlgorithm uses for Dialog Node. 39 class ACE_EXPORT DialogLayoutAlgorithm : public LayoutAlgorithm { 40 DECLARE_ACE_TYPE(DialogLayoutAlgorithm, LayoutAlgorithm); 41 42 public: 43 DialogLayoutAlgorithm() = default; 44 ~DialogLayoutAlgorithm() override = default; 45 46 void Measure(LayoutWrapper* layoutWrapper) override; 47 48 void Layout(LayoutWrapper* layoutWrapper) override; 49 GetTouchRegion()50 RectF GetTouchRegion() const 51 { 52 return touchRegion_; 53 } 54 55 private: 56 LayoutConstraintF CreateDialogChildConstraint(LayoutWrapper* layoutWrapper, float height, float width); 57 void Distribute(float& scrollHeight, float& listHeight, float restHeight); 58 void AnalysisHeightOfChild(LayoutWrapper* layoutWrapper); 59 void AnalysisLayoutOfContent(LayoutWrapper* layoutWrapper, const RefPtr<LayoutWrapper>& scroll); 60 61 void ComputeInnerLayoutParam(LayoutConstraintF& innerLayout); 62 double GetMaxWidthBasedOnGridType(const RefPtr<GridColumnInfo>& info, GridSizeType type, DeviceType deviceType); 63 64 OffsetF ComputeChildPosition( 65 const SizeF& childSize, const RefPtr<DialogLayoutProperty>& prop, const SizeF& slefSize); 66 bool SetAlignmentSwitch(const SizeF& maxSize, const SizeF& childSize, OffsetF& topLeftPoint); 67 bool IsDialogTouchingBoundary(OffsetF topLeftPoint, SizeF childSize, SizeF selfSize); 68 void MultipleDialog(const RefPtr<DialogLayoutProperty>& dialogProp, const SizeF& childSize, const SizeF& selfSize, 69 const RefPtr<OverlayManager> subOverlayManager); 70 void ProcessMaskRect(std::optional<DimensionRect> maskRect, const RefPtr<FrameNode>& dialog); 71 void SetSubWindowHotarea( 72 const RefPtr<DialogLayoutProperty>& dialogProp, SizeF childSize, SizeF selfSize, int32_t frameNodeId); 73 74 void UpdateTouchRegion(); 75 76 double GetPaddingBottom() const; 77 78 OffsetF AdjustChildPosition( 79 OffsetF& topLeftPoint, const OffsetF& dialogOffset, const SizeF& childSize, bool needAvoidKeyboard) const; 80 81 SizeF UpdateHeightWithSafeArea(SizeF size); 82 83 RectF touchRegion_; 84 OffsetF topLeftPoint_; 85 bool customSize_ = false; 86 87 int32_t gridCount_ = -1; 88 int32_t subWindowId_ = -1; 89 DimensionOffset dialogOffset_; 90 DialogAlignment alignment_ = DialogAlignment::DEFAULT; 91 TouchingBoundaryType touchingBoundaryFlag_ = TouchingBoundaryType::NotTouchBoundary; 92 93 bool expandDisplay_ = false; 94 95 ACE_DISALLOW_COPY_AND_MOVE(DialogLayoutAlgorithm); 96 }; 97 } // namespace OHOS::Ace::NG 98 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERN_DIALOG_DIALOG_LAYOUT_ALGORITHM_H 99