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 31 namespace OHOS::Ace::NG { 32 // DialogLayoutAlgorithm uses for Dialog Node. 33 class ACE_EXPORT DialogLayoutAlgorithm : public LayoutAlgorithm { 34 DECLARE_ACE_TYPE(DialogLayoutAlgorithm, LayoutAlgorithm); 35 36 public: 37 DialogLayoutAlgorithm() = default; 38 ~DialogLayoutAlgorithm() override = default; 39 40 void Measure(LayoutWrapper* layoutWrapper) override; 41 42 void Layout(LayoutWrapper* layoutWrapper) override; 43 GetTouchRegion()44 RectF GetTouchRegion() const 45 { 46 return touchRegion_; 47 } 48 49 private: 50 LayoutConstraintF CreateDialogChildConstraint(LayoutWrapper* layoutWrapper, float height, float width); 51 void Distribute(float& scrollHeight, float& listHeight, float restHeight); 52 void AnalysisHeightOfChild(LayoutWrapper* layoutWrapper); 53 void AnalysisLayoutOfContent(LayoutWrapper* layoutWrapper, const RefPtr<LayoutWrapper>& scroll); 54 55 void ComputeInnerLayoutParam(LayoutConstraintF& innerLayout); 56 double GetMaxWidthBasedOnGridType(const RefPtr<GridColumnInfo>& info, GridSizeType type, DeviceType deviceType); 57 58 OffsetF ComputeChildPosition( 59 const SizeF& childSize, const RefPtr<DialogLayoutProperty>& prop, const SizeF& slefSize); 60 bool SetAlignmentSwitch(const SizeF& maxSize, const SizeF& childSize, OffsetF& topLeftPoint); 61 62 void UpdateTouchRegion(); 63 64 double GetPaddingBottom() const; 65 66 OffsetF AdjustChildPosition( 67 OffsetF& topLeftPoint, const OffsetF& dialogOffset, const SizeF& childSize, bool needAvoidKeyboard) const; 68 69 RectF touchRegion_; 70 OffsetF topLeftPoint_; 71 bool customSize_ = false; 72 73 int32_t gridCount_ = -1; 74 DimensionOffset dialogOffset_; 75 DialogAlignment alignment_ = DialogAlignment::DEFAULT; 76 77 ACE_DISALLOW_COPY_AND_MOVE(DialogLayoutAlgorithm); 78 }; 79 } // namespace OHOS::Ace::NG 80 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERN_DIALOG_DIALOG_LAYOUT_ALGORITHM_H 81