1 /* 2 * Copyright (c) 2022-2023 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_PATTERNS_XCOMPONENT_XCOMPONENT_EVENT_HUB_H 17 #define FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERNS_XCOMPONENT_XCOMPONENT_EVENT_HUB_H 18 19 #include "base/memory/ace_type.h" 20 #include "core/components_ng/event/event_hub.h" 21 #include "core/components_ng/event/gesture_event_hub.h" 22 23 namespace OHOS::Ace::NG { 24 using LoadEvent = std::function<void(const std::string&)>; 25 using DestroyEvent = std::function<void()>; 26 using ExternalEvent = std::function<void(const std::string&, const uint32_t, const bool)>; 27 28 class XComponentEventHub : public EventHub { 29 DECLARE_ACE_TYPE(XComponentEventHub, EventHub) 30 31 public: 32 XComponentEventHub() = default; 33 ~XComponentEventHub() override = default; 34 SetOnLoad(LoadEvent && loadEvent)35 void SetOnLoad(LoadEvent&& loadEvent) 36 { 37 loadEvent_ = std::move(loadEvent); 38 } 39 FireLoadEvent(const std::string & xcomponentId)40 void FireLoadEvent(const std::string& xcomponentId) const 41 { 42 if (loadEvent_) { 43 loadEvent_(xcomponentId); 44 } 45 } 46 SetOnDestroy(DestroyEvent && destroyEvent)47 void SetOnDestroy(DestroyEvent&& destroyEvent) 48 { 49 destroyEvent_ = std::move(destroyEvent); 50 } 51 FireDestroyEvent()52 void FireDestroyEvent() const 53 { 54 if (destroyEvent_) { 55 destroyEvent_(); 56 } 57 } 58 SetOnSurfaceInitEvent(ExternalEvent && surfaceInitEvent)59 void SetOnSurfaceInitEvent(ExternalEvent&& surfaceInitEvent) 60 { 61 surfaceInitEvent_ = std::move(surfaceInitEvent); 62 } 63 FireSurfaceInitEvent(const std::string & componentId,const uint32_t nodeId)64 void FireSurfaceInitEvent(const std::string& componentId, const uint32_t nodeId) const 65 { 66 if (surfaceInitEvent_) { 67 surfaceInitEvent_(componentId, nodeId, false); 68 } 69 } 70 71 private: 72 LoadEvent loadEvent_; 73 DestroyEvent destroyEvent_; 74 ExternalEvent surfaceInitEvent_; 75 }; 76 } // namespace OHOS::Ace::NG 77 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERNS_XCOMPONENT_XCOMPONENT_EVENT_HUB_H 78