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 24 namespace OHOS::Ace::NG { 25 26 class ScrollPaintMethod : public ScrollablePaintMethod { 27 DECLARE_ACE_TYPE(ScrollPaintMethod, ScrollablePaintMethod) 28 29 public: 30 ScrollPaintMethod() = default; ScrollPaintMethod(bool vertical,bool isReverse)31 ScrollPaintMethod(bool vertical, bool isReverse) : ScrollablePaintMethod(vertical, isReverse) {} 32 ~ScrollPaintMethod() override = default; 33 34 CanvasDrawFunction GetForegroundDrawFunction(PaintWrapper* paintWrapper) override; 35 SetScrollBar(WeakPtr<ScrollBar> && scrollBar)36 void SetScrollBar(WeakPtr<ScrollBar>&& scrollBar) 37 { 38 scrollBar_ = scrollBar; 39 } 40 SetEdgeEffect(WeakPtr<ScrollEdgeEffect> && edgeEffect)41 void SetEdgeEffect(WeakPtr<ScrollEdgeEffect>&& edgeEffect) 42 { 43 edgeEffect_ = edgeEffect; 44 } 45 SetScrollBarOverlayModifier(WeakPtr<ScrollBarOverlayModifier> && scrollBarOverlayModifier)46 void SetScrollBarOverlayModifier(WeakPtr<ScrollBarOverlayModifier>&& scrollBarOverlayModifier) 47 { 48 scrollBarOverlayModifier_ = scrollBarOverlayModifier; 49 } 50 GetOverlayModifier(PaintWrapper * paintWrapper)51 RefPtr<Modifier> GetOverlayModifier(PaintWrapper* paintWrapper) override 52 { 53 return scrollBarOverlayModifier_.Upgrade(); 54 } 55 56 void UpdateOverlayModifier(PaintWrapper* paintWrapper) override; 57 GetContentModifier(PaintWrapper * paintWrapper)58 RefPtr<Modifier> GetContentModifier(PaintWrapper* paintWrapper) override 59 { 60 return scrollContentModifier_; 61 } 62 63 void UpdateContentModifier(PaintWrapper* paintWrapper) override; 64 SetContentModifier(const RefPtr<ScrollContentModifier> & modify)65 void SetContentModifier(const RefPtr<ScrollContentModifier>& modify) 66 { 67 scrollContentModifier_ = modify; 68 } 69 70 private: 71 RefPtr<ScrollContentModifier> scrollContentModifier_; 72 void PaintScrollEffect(RSCanvas& canvas, PaintWrapper* paintWrapper) const; 73 74 WeakPtr<ScrollBar> scrollBar_; 75 WeakPtr<ScrollEdgeEffect> edgeEffect_; 76 WeakPtr<ScrollBarOverlayModifier> scrollBarOverlayModifier_; 77 }; 78 } // namespace OHOS::Ace::NG 79 80 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERN_SCROLL_SCROLL_PAINT_METHOD_H 81