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_WATERFLOW_WATER_FLOW_PAINT_METHOD_H 17 #define FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERN_WATERFLOW_WATER_FLOW_PAINT_METHOD_H 18 19 #include "core/components_ng/pattern/scroll/inner/scroll_bar.h" 20 #include "core/components_ng/pattern/scroll/scroll_edge_effect.h" 21 #include "core/components_ng/pattern/scrollable/scrollable_paint_method.h" 22 #include "core/components_ng/pattern/waterflow/water_flow_content_modifier.h" 23 24 namespace OHOS::Ace::NG { 25 class ACE_EXPORT WaterFlowPaintMethod : public ScrollablePaintMethod { 26 DECLARE_ACE_TYPE(WaterFlowPaintMethod, ScrollablePaintMethod) 27 public: 28 WaterFlowPaintMethod() = default; WaterFlowPaintMethod(bool vertical,bool isReverse,bool isVerticalReverse)29 WaterFlowPaintMethod(bool vertical, bool isReverse, bool isVerticalReverse) 30 : ScrollablePaintMethod(vertical, isReverse, isVerticalReverse) 31 {} 32 ~WaterFlowPaintMethod() override = default; 33 34 CanvasDrawFunction GetForegroundDrawFunction(PaintWrapper* paintWrapper) override; 35 GetContentModifier(PaintWrapper * paintWrapper)36 RefPtr<Modifier> GetContentModifier(PaintWrapper* paintWrapper) override 37 { 38 return contentModifier_; 39 } 40 41 void UpdateContentModifier(PaintWrapper* paintWrapper) override; 42 43 void PaintEdgeEffect(PaintWrapper* paintWrapper, RSCanvas& canvas); 44 SetScrollBar(WeakPtr<ScrollBar> && scrollBar)45 void SetScrollBar(WeakPtr<ScrollBar>&& scrollBar) 46 { 47 scrollBar_ = scrollBar; 48 } 49 SetEdgeEffect(WeakPtr<ScrollEdgeEffect> && edgeEffect)50 void SetEdgeEffect(WeakPtr<ScrollEdgeEffect>&& edgeEffect) 51 { 52 edgeEffect_ = edgeEffect; 53 } 54 SetContentModifier(const RefPtr<WaterFlowContentModifier> & modify)55 void SetContentModifier(const RefPtr<WaterFlowContentModifier>& modify) 56 { 57 contentModifier_ = modify; 58 } 59 SetScrollBarOverlayModifier(WeakPtr<ScrollBarOverlayModifier> && scrollBarOverlayModifier)60 void SetScrollBarOverlayModifier(WeakPtr<ScrollBarOverlayModifier>&& scrollBarOverlayModifier) 61 { 62 scrollBarOverlayModifier_ = scrollBarOverlayModifier; 63 } 64 GetOverlayModifier(PaintWrapper * paintWrapper)65 RefPtr<Modifier> GetOverlayModifier(PaintWrapper* paintWrapper) override 66 { 67 return scrollBarOverlayModifier_.Upgrade(); 68 } 69 70 void UpdateOverlayModifier(PaintWrapper* paintWrapper) override; 71 72 private: 73 RefPtr<WaterFlowContentModifier> contentModifier_; 74 WeakPtr<ScrollBar> scrollBar_; 75 WeakPtr<ScrollEdgeEffect> edgeEffect_; 76 WeakPtr<ScrollBarOverlayModifier> scrollBarOverlayModifier_; 77 }; 78 } // namespace OHOS::Ace::NG 79 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERN_WATERFLOW_WATER_FLOW_PAINT_METHOD_H