1 /* 2 * Copyright (c) 2023 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_SCROLLABLE_SCROLLABLE_EVENT_HUB_H 17 #define FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERN_SCROLLABLE_SCROLLABLE_EVENT_HUB_H 18 19 #include "core/components_ng/event/event_hub.h" 20 21 namespace OHOS::Ace::NG { 22 class ScrollableEventHub : public EventHub { 23 DECLARE_ACE_TYPE(ScrollableEventHub, EventHub) 24 25 public: 26 ScrollableEventHub() = default; 27 ~ScrollableEventHub() override = default; 28 SetOnScroll(OnScrollEvent && onScroll)29 void SetOnScroll(OnScrollEvent&& onScroll) 30 { 31 onScrollEvent_ = std::move(onScroll); 32 } 33 GetOnScroll()34 const OnScrollEvent& GetOnScroll() const 35 { 36 return onScrollEvent_; 37 } 38 SetOnScrollFrameBegin(OnScrollFrameBeginEvent && onScrollFrameBegin)39 void SetOnScrollFrameBegin(OnScrollFrameBeginEvent&& onScrollFrameBegin) 40 { 41 onScrollFrameBeginEvent_ = std::move(onScrollFrameBegin); 42 } 43 GetOnScrollFrameBegin()44 const OnScrollFrameBeginEvent& GetOnScrollFrameBegin() const 45 { 46 return onScrollFrameBeginEvent_; 47 } 48 SetOnScrollStart(OnScrollStartEvent && onScrollStart)49 void SetOnScrollStart(OnScrollStartEvent&& onScrollStart) 50 { 51 onScrollStartEvent_ = std::move(onScrollStart); 52 } 53 GetOnScrollStart()54 const OnScrollStartEvent& GetOnScrollStart() const 55 { 56 return onScrollStartEvent_; 57 } 58 SetOnScrollStop(OnScrollStopEvent && onScrollStop)59 void SetOnScrollStop(OnScrollStopEvent&& onScrollStop) 60 { 61 onScrollStopEvent_ = std::move(onScrollStop); 62 } 63 GetOnScrollStop()64 const OnScrollStopEvent& GetOnScrollStop() const 65 { 66 return onScrollStopEvent_; 67 } 68 SetOnReachStart(OnReachEvent && onReachStart)69 void SetOnReachStart(OnReachEvent&& onReachStart) 70 { 71 onReachStartEvent_ = std::move(onReachStart); 72 } 73 GetOnReachStart()74 const OnReachEvent& GetOnReachStart() const 75 { 76 return onReachStartEvent_; 77 } 78 SetOnReachEnd(OnReachEvent && onReachEnd)79 void SetOnReachEnd(OnReachEvent&& onReachEnd) 80 { 81 onReachEndEvent_ = std::move(onReachEnd); 82 } 83 GetOnReachEnd()84 const OnReachEvent& GetOnReachEnd() const 85 { 86 return onReachEndEvent_; 87 } 88 89 private: 90 OnScrollEvent onScrollEvent_; 91 OnScrollStartEvent onScrollStartEvent_; 92 OnScrollStopEvent onScrollStopEvent_; 93 OnScrollFrameBeginEvent onScrollFrameBeginEvent_; 94 OnReachEvent onReachStartEvent_; 95 OnReachEvent onReachEndEvent_; 96 }; 97 } // namespace OHOS::Ace::NG 98 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERN_SCROLLABLE_SCROLLABLE_EVENT_HUB_H 99