1 /* 2 * Copyright (c) 2021 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_SCROLL_SCROLL_EDGE_EFFECT_H 17 #define FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_SCROLL_SCROLL_EDGE_EFFECT_H 18 19 #include "core/components/scroll/scroll_edge_effect_base.h" 20 21 namespace OHOS::Ace { 22 23 class ScrollEdgeEffect : public ScrollEdgeEffectBase { 24 DECLARE_ACE_TYPE(ScrollEdgeEffect, ScrollEdgeEffectBase); 25 26 public: ScrollEdgeEffect(EdgeEffect edgeEffect)27 explicit ScrollEdgeEffect(EdgeEffect edgeEffect) : ScrollEdgeEffectBase(edgeEffect) {} 28 29 ScrollEdgeEffect() = default; 30 31 ~ScrollEdgeEffect() override = default; 32 SetScrollNode(const WeakPtr<RenderNode> & scroll)33 void SetScrollNode(const WeakPtr<RenderNode>& scroll) 34 { 35 scroll_ = scroll; 36 } 37 HandleOverScroll(Axis axis,double overScroll,const Size & viewPort)38 virtual void HandleOverScroll(Axis axis, double overScroll, const Size& viewPort) {} 39 Paint(RenderContext & context,const Size & viewPort,const Offset & offset)40 virtual void Paint(RenderContext& context, const Size& viewPort, const Offset& offset) {} 41 42 protected: 43 WeakPtr<RenderNode> scroll_; 44 }; 45 46 } // namespace OHOS::Ace 47 48 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_SCROLL_SCROLL_EDGE_EFFECT_H 49