1 /*
2  * Copyright (c) 2022 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_PATTERNS_SIDE_BAR_SIDE_BAR_CONTAINER_EVENT_HUB_H
17 #define FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERNS_SIDE_BAR_SIDE_BAR_CONTAINER_EVENT_HUB_H
18 
19 #include "core/components_ng/event/event_hub.h"
20 
21 namespace OHOS::Ace::NG {
22 
23 using ChangeEvent = std::function<void(const bool)>;
24 
25 class SideBarContainerEventHub : public EventHub {
26     DECLARE_ACE_TYPE(SideBarContainerEventHub, EventHub)
27 
28 public:
29     SideBarContainerEventHub() = default;
30     ~SideBarContainerEventHub() override = default;
31 
SetOnChange(ChangeEvent && changeEvent)32     void SetOnChange(ChangeEvent&& changeEvent)
33     {
34         changeEvent_ = std::move(changeEvent);
35     }
36 
FireChangeEvent(bool isShow)37     void FireChangeEvent(bool isShow)
38     {
39         if (isShowChangeEvent_) {
40             isShowChangeEvent_(isShow);
41         }
42         if (changeEvent_) {
43             changeEvent_(isShow);
44         }
45     }
46 
SetOnChangeEvent(ChangeEvent && changeEventEvent)47     void SetOnChangeEvent(ChangeEvent&& changeEventEvent)
48     {
49         isShowChangeEvent_ = std::move(changeEventEvent);
50     }
51 
52 private:
53     ChangeEvent changeEvent_;
54     ChangeEvent isShowChangeEvent_;
55 
56     ACE_DISALLOW_COPY_AND_MOVE(SideBarContainerEventHub);
57 };
58 
59 } // namespace OHOS::Ace::NG
60 
61 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERNS_SIDE_BAR_SIDE_BAR_CONTAINER_EVENT_HUB_H
62