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_SPRING_EFFECT_H 17 #define FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_SCROLL_SCROLL_SPRING_EFFECT_H 18 19 #include "base/utils/macros.h" 20 #include "core/components/scroll/scroll_edge_effect.h" 21 22 namespace OHOS::Ace { 23 24 class ACE_EXPORT ScrollSpringEffect final : public ScrollEdgeEffect { 25 DECLARE_ACE_TYPE(ScrollSpringEffect, ScrollEdgeEffect); 26 27 public: ScrollSpringEffect()28 ScrollSpringEffect() : ScrollEdgeEffect(EdgeEffect::SPRING) {} 29 ~ScrollSpringEffect() override = default; 30 31 void RegisterSpringCallback() override; 32 void InitialEdgeEffect() override; 33 void ProcessScrollOver(double velocity) override; 34 }; 35 36 } // namespace OHOS::Ace 37 38 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_SCROLL_SCROLL_SPRING_EFFECT_H 39