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_ABILITY_COMPONENT_EVENT_HUB_H
17 #define FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERNS_ABILITY_COMPONENT_EVENT_HUB_H
18 
19 #include "frameworks/base/memory/ace_type.h"
20 #include "frameworks/base/utils/noncopyable.h"
21 #include "frameworks/core/components_ng/event/event_hub.h"
22 
23 namespace OHOS::Ace::NG {
24 
25 using ConnectEvent = std::function<void()>;
26 using DisConnectEvent = std::function<void()>;
27 class AbilityComponentEventHub : public EventHub {
28     DECLARE_ACE_TYPE(AbilityComponentEventHub, EventHub)
29 
30 public:
31     AbilityComponentEventHub() = default;
32     ~AbilityComponentEventHub() override = default;
33 
SetOnConnect(ConnectEvent && connectEvent)34     void SetOnConnect(ConnectEvent&& connectEvent)
35     {
36         connectEvent_ = std::move(connectEvent);
37     }
38 
FireOnConnect()39     void FireOnConnect() const
40     {
41         if (connectEvent_) {
42             connectEvent_();
43         }
44     }
SetOnDisConnect(DisConnectEvent && disConnectEvent)45     void SetOnDisConnect(DisConnectEvent&& disConnectEvent)
46     {
47         disconnectEvent_ = std::move(disConnectEvent);
48     }
49 
FireOnDisConnect()50     void FireOnDisConnect() const
51     {
52         if (disconnectEvent_) {
53             disconnectEvent_();
54         }
55     }
56 
57 private:
58     ConnectEvent connectEvent_;
59     DisConnectEvent disconnectEvent_;
60 
61     ACE_DISALLOW_COPY_AND_MOVE(AbilityComponentEventHub);
62 };
63 } // namespace OHOS::Ace::NG
64 
65 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERNS_ABILITY_COMPONENT_EVENT_HUB_H