1 /* 2 * Copyright (c) 2021-2024 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_V2_LIST_LIST_POSITION_CONTROLLER_H 17 #define FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_V2_LIST_LIST_POSITION_CONTROLLER_H 18 19 #include "core/components/scroll/scroll_controller.h" 20 21 namespace OHOS::Ace::V2 { 22 23 class ACE_EXPORT ListPositionController : public ScrollController { 24 DECLARE_ACE_TYPE(ListPositionController, ScrollController); 25 26 public: 27 ListPositionController() = default; 28 ~ListPositionController() override = default; 29 30 void ScrollToIndex(int32_t index, bool smooth = false, ScrollAlign align = ScrollAlign::START, 31 std::optional<float> extraOffset = std::nullopt) override; 32 bool AnimateTo(const Dimension& position, float duration, const RefPtr<Curve>& curve, bool smooth, 33 bool canOverScroll = false) override; 34 Axis GetScrollDirection() const override; 35 Offset GetCurrentOffset() const override; 36 void ScrollToEdge(ScrollEdgeType scrollEdgeType, bool smooth) override; 37 void ScrollPage(bool reverse, bool smooth) override; 38 void ScrollBy(double pixelX, double pixelY, bool smooth) override; 39 }; 40 41 } // namespace OHOS::Ace::V2 42 43 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_V2_LIST_LIST_POSITION_CONTROLLER_H 44