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_STEPPER_STEPPER_EVENT_HUB_H 17 #define FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERNS_STEPPER_STEPPER_EVENT_HUB_H 18 19 #include "core/components_ng/event/event_hub.h" 20 21 namespace OHOS::Ace::NG { 22 23 using RoutineCallbackEvent = std::function<void()>; 24 using IndexCallbackEvent = std::function<void(int32_t, int32_t)>; 25 using IndexChangeEvent = std::function<void(int32_t)>; 26 27 class StepperEventHub : public EventHub { 28 DECLARE_ACE_TYPE(StepperEventHub, EventHub) 29 30 public: 31 StepperEventHub() = default; 32 ~StepperEventHub() override = default; 33 SetFinishEvent(RoutineCallbackEvent && finishEvent)34 void SetFinishEvent(RoutineCallbackEvent&& finishEvent) 35 { 36 finishEvent_ = finishEvent; 37 } SetSkipEvent(RoutineCallbackEvent && skipEvent)38 void SetSkipEvent(RoutineCallbackEvent&& skipEvent) 39 { 40 skipEvent_ = skipEvent; 41 } SetChangeEvent(IndexCallbackEvent && changeEvent)42 void SetChangeEvent(IndexCallbackEvent&& changeEvent) 43 { 44 changeEvent_ = changeEvent; 45 } SetNextEvent(IndexCallbackEvent && nextEvent)46 void SetNextEvent(IndexCallbackEvent&& nextEvent) 47 { 48 nextEvent_ = nextEvent; 49 } SetPreviousEvent(IndexCallbackEvent && previousEvent)50 void SetPreviousEvent(IndexCallbackEvent&& previousEvent) 51 { 52 previousEvent_ = previousEvent; 53 } 54 FireFinishEvent()55 void FireFinishEvent() const 56 { 57 if (finishEvent_) { 58 finishEvent_(); 59 } 60 } FireSkipEvent()61 void FireSkipEvent() const 62 { 63 if (skipEvent_) { 64 skipEvent_(); 65 } 66 } FireChangeEvent(int32_t prevIndex,int32_t index)67 void FireChangeEvent(int32_t prevIndex, int32_t index) const 68 { 69 if (onChangeEvent_) { 70 onChangeEvent_(index); 71 } 72 if (changeEvent_) { 73 changeEvent_(prevIndex, index); 74 } 75 } FireNextEvent(int32_t index,int32_t pendingIndex)76 void FireNextEvent(int32_t index, int32_t pendingIndex) const 77 { 78 if (nextEvent_) { 79 nextEvent_(index, pendingIndex); 80 } 81 } FirePreviousEvent(int32_t index,int32_t pendingIndex)82 void FirePreviousEvent(int32_t index, int32_t pendingIndex) const 83 { 84 if (previousEvent_) { 85 previousEvent_(index, pendingIndex); 86 } 87 } SetOnChangeEvent(IndexChangeEvent && onChangeEvent)88 void SetOnChangeEvent(IndexChangeEvent&& onChangeEvent) 89 { 90 onChangeEvent_ = onChangeEvent; 91 } 92 93 private: 94 RoutineCallbackEvent finishEvent_; 95 RoutineCallbackEvent skipEvent_; 96 IndexCallbackEvent changeEvent_; 97 IndexCallbackEvent nextEvent_; 98 IndexCallbackEvent previousEvent_; 99 IndexChangeEvent onChangeEvent_; 100 101 ACE_DISALLOW_COPY_AND_MOVE(StepperEventHub); 102 }; 103 104 } // namespace OHOS::Ace::NG 105 106 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERNS_STEPPER_STEPPER_EVENT_HUB_H 107