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 16 #ifndef FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERN_SCROLL_SCROLL_PAINT_METHOD_H 17 #define FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERN_SCROLL_SCROLL_PAINT_METHOD_H 18 19 #include "core/components_ng/pattern/scroll/inner/scroll_bar.h" 20 #include "core/components_ng/pattern/scroll/scroll_content_modifier.h" 21 #include "core/components_ng/pattern/scroll/scroll_edge_effect.h" 22 #include "core/components_ng/pattern/scrollable/scrollable_paint_method.h" 23 #include "core/components_ng/pattern/arc_scroll/inner/arc_scroll_bar.h" 24 #include "core/components_ng/pattern/arc_scroll/inner/arc_scroll_bar_overlay_modifier.h" 25 26 namespace OHOS::Ace::NG { 27 28 class ScrollPaintMethod : public ScrollablePaintMethod { 29 DECLARE_ACE_TYPE(ScrollPaintMethod, ScrollablePaintMethod) 30 31 public: 32 ScrollPaintMethod() = default; ScrollPaintMethod(bool vertical,bool isReverse)33 ScrollPaintMethod(bool vertical, bool isReverse) : ScrollablePaintMethod(vertical, isReverse) {} 34 ~ScrollPaintMethod() override = default; 35 36 CanvasDrawFunction GetForegroundDrawFunction(PaintWrapper* paintWrapper) override; 37 SetScrollBar(WeakPtr<ScrollBar> && scrollBar)38 void SetScrollBar(WeakPtr<ScrollBar>&& scrollBar) 39 { 40 scrollBar_ = scrollBar; 41 } 42 GetScrollBar()43 RefPtr<ScrollBar> GetScrollBar() 44 { 45 return scrollBar_.Upgrade(); 46 } 47 SetEdgeEffect(WeakPtr<ScrollEdgeEffect> && edgeEffect)48 void SetEdgeEffect(WeakPtr<ScrollEdgeEffect>&& edgeEffect) 49 { 50 edgeEffect_ = edgeEffect; 51 } 52 SetScrollBarOverlayModifier(WeakPtr<ScrollBarOverlayModifier> && scrollBarOverlayModifier)53 void SetScrollBarOverlayModifier(WeakPtr<ScrollBarOverlayModifier>&& scrollBarOverlayModifier) 54 { 55 scrollBarOverlayModifier_ = scrollBarOverlayModifier; 56 } 57 GetOverlayModifier(PaintWrapper * paintWrapper)58 RefPtr<Modifier> GetOverlayModifier(PaintWrapper* paintWrapper) override 59 { 60 return scrollBarOverlayModifier_.Upgrade(); 61 } 62 63 void UpdateOverlayModifier(PaintWrapper* paintWrapper) override; 64 GetContentModifier(PaintWrapper * paintWrapper)65 RefPtr<Modifier> GetContentModifier(PaintWrapper* paintWrapper) override 66 { 67 return scrollContentModifier_; 68 } 69 70 void UpdateContentModifier(PaintWrapper* paintWrapper) override; 71 SetContentModifier(const RefPtr<ScrollContentModifier> & modify)72 void SetContentModifier(const RefPtr<ScrollContentModifier>& modify) 73 { 74 scrollContentModifier_ = modify; 75 } 76 77 private: 78 RefPtr<ScrollContentModifier> scrollContentModifier_; 79 void PaintScrollEffect(RSCanvas& canvas, PaintWrapper* paintWrapper) const; 80 81 WeakPtr<ScrollBar> scrollBar_; 82 WeakPtr<ScrollEdgeEffect> edgeEffect_; 83 WeakPtr<ScrollBarOverlayModifier> scrollBarOverlayModifier_; 84 }; 85 } // namespace OHOS::Ace::NG 86 87 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERN_SCROLL_SCROLL_PAINT_METHOD_H 88