1 /* 2 * Copyright (c) 2022-2023 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_SWIPER_INDICATOR_DOT_INDICATOR_LAYOUT_ALGORITHM_H 17 #define FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERN_SWIPER_INDICATOR_DOT_INDICATOR_LAYOUT_ALGORITHM_H 18 19 #include <cstdint> 20 #include <optional> 21 22 #include "base/geometry/axis.h" 23 #include "base/memory/referenced.h" 24 #include "core/components_ng/layout/layout_algorithm.h" 25 #include "core/components_ng/layout/layout_wrapper.h" 26 namespace OHOS::Ace::NG { 27 class ACE_EXPORT DotIndicatorLayoutAlgorithm : public LayoutAlgorithm { 28 DECLARE_ACE_TYPE(DotIndicatorLayoutAlgorithm, LayoutAlgorithm); 29 30 public: 31 DotIndicatorLayoutAlgorithm() = default; 32 ~DotIndicatorLayoutAlgorithm() override = default; 33 OnReset()34 void OnReset() override {} 35 void Measure(LayoutWrapper* layoutWrapper) override; 36 void Layout(LayoutWrapper* layoutWrapper) override; 37 SetIsHoverOrPress(bool isHoverOrPress)38 void SetIsHoverOrPress(bool isHoverOrPress) 39 { 40 isHoverOrPress_ = isHoverOrPress; 41 } 42 SetHoverPoint(const PointF & hoverPoint)43 void SetHoverPoint(const PointF& hoverPoint) 44 { 45 hoverPoint_ = hoverPoint; 46 } 47 SetIndicatorDisplayCount(int32_t indicatorDisplayCount)48 void SetIndicatorDisplayCount(int32_t indicatorDisplayCount) 49 { 50 indicatorDisplayCount_ = indicatorDisplayCount; 51 } 52 SetIsSingle(bool isSingle)53 void SetIsSingle(bool isSingle) 54 { 55 isSingle_ = isSingle; 56 } 57 SetMaxDisplayCount(int32_t maxDisplayCount)58 void SetMaxDisplayCount(int32_t maxDisplayCount) 59 { 60 maxDisplayCount_ = maxDisplayCount; 61 } 62 SetIsBindIndicator(bool isBindIndicator)63 void SetIsBindIndicator(bool isBindIndicator) 64 { 65 isBindIndicator_ = isBindIndicator; 66 } 67 SetIndicatorInteractive(bool indicatorInteractive)68 void SetIndicatorInteractive(bool indicatorInteractive) 69 { 70 indicatorInteractive_ = indicatorInteractive; 71 } 72 73 private: 74 static double GetValidEdgeLength(float swiperLength, float indicatorLength, const Dimension& edge); 75 SizeF CalcIndicatorFrameSize(LayoutWrapper* layoutWrapper, float indicatorWidth, float indicatorHeight); 76 77 float indicatorWidth_ = 0.0f; 78 float indicatorHeight_ = 0.0f; 79 float ignorSizeIndicatorWidth_ = 0.0f; 80 float ignorSizeIndicatorHeight_ = 0.0f; 81 bool isHoverOrPress_ = false; 82 bool isSingle_ = false; 83 bool isBindIndicator_ = false; 84 bool indicatorInteractive_ = true; 85 PointF hoverPoint_; 86 int32_t indicatorDisplayCount_ = 0; 87 int32_t maxDisplayCount_ = 0; 88 }; 89 } // namespace OHOS::Ace::NG 90 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERN_SWIPER_INDICATOR_DOT_INDICATOR_LAYOUT_ALGORITHM_H 91