1 /*
2  * Copyright (c) 2023-2024 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_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 
SetOnWillScroll(OnWillScrollEvent && onScroll)39     void SetOnWillScroll(OnWillScrollEvent&& onScroll)
40     {
41         onWillScrollEvent_ = std::move(onScroll);
42     }
43 
GetOnWillScroll()44     const OnWillScrollEvent& GetOnWillScroll() const
45     {
46         return onWillScrollEvent_;
47     }
48 
SetOnDidScroll(OnScrollEvent && onScroll)49     void SetOnDidScroll(OnScrollEvent&& onScroll)
50     {
51         onDidScrollEvent_ = std::move(onScroll);
52     }
53 
GetOnDidScroll()54     const OnScrollEvent& GetOnDidScroll() const
55     {
56         return onDidScrollEvent_;
57     }
58 
SetOnScrollFrameBegin(OnScrollFrameBeginEvent && onScrollFrameBegin)59     void SetOnScrollFrameBegin(OnScrollFrameBeginEvent&& onScrollFrameBegin)
60     {
61         onScrollFrameBeginEvent_ = std::move(onScrollFrameBegin);
62     }
63 
GetOnScrollFrameBegin()64     const OnScrollFrameBeginEvent& GetOnScrollFrameBegin() const
65     {
66         return onScrollFrameBeginEvent_;
67     }
68 
SetOnScrollStart(OnScrollStartEvent && onScrollStart)69     void SetOnScrollStart(OnScrollStartEvent&& onScrollStart)
70     {
71         onScrollStartEvent_ = std::move(onScrollStart);
72     }
73 
GetOnScrollStart()74     const OnScrollStartEvent& GetOnScrollStart() const
75     {
76         return onScrollStartEvent_;
77     }
78 
SetOnScrollStop(OnScrollStopEvent && onScrollStop)79     void SetOnScrollStop(OnScrollStopEvent&& onScrollStop)
80     {
81         onScrollStopEvent_ = std::move(onScrollStop);
82     }
83 
GetOnScrollStop()84     const OnScrollStopEvent& GetOnScrollStop() const
85     {
86         return onScrollStopEvent_;
87     }
88 
SetOnReachStart(OnReachEvent && onReachStart)89     void SetOnReachStart(OnReachEvent&& onReachStart)
90     {
91         onReachStartEvent_ = std::move(onReachStart);
92     }
93 
GetOnReachStart()94     const OnReachEvent& GetOnReachStart() const
95     {
96         return onReachStartEvent_;
97     }
98 
SetOnReachEnd(OnReachEvent && onReachEnd)99     void SetOnReachEnd(OnReachEvent&& onReachEnd)
100     {
101         onReachEndEvent_ = std::move(onReachEnd);
102     }
103 
GetOnReachEnd()104     const OnReachEvent& GetOnReachEnd() const
105     {
106         return onReachEndEvent_;
107     }
108 
109 private:
110     OnScrollEvent onScrollEvent_;
111     OnWillScrollEvent onWillScrollEvent_;
112     OnScrollEvent onDidScrollEvent_;
113     OnScrollStartEvent onScrollStartEvent_;
114     OnScrollStopEvent onScrollStopEvent_;
115     OnScrollFrameBeginEvent onScrollFrameBeginEvent_;
116     OnReachEvent onReachStartEvent_;
117     OnReachEvent onReachEndEvent_;
118 };
119 } // namespace OHOS::Ace::NG
120 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERN_SCROLLABLE_SCROLLABLE_EVENT_HUB_H
121