1 /* 2 * Copyright (c) 2021-2022 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_GESTURES_RECOGNIZERS_EXCLUSIVE_RECOGNIZER_H 17 #define FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_GESTURES_RECOGNIZERS_EXCLUSIVE_RECOGNIZER_H 18 19 #include "base/memory/ace_type.h" 20 #include "base/memory/referenced.h" 21 #include "core/components/common/layout/constants.h" 22 #include "core/components_ng/gestures/gesture_info.h" 23 #include "core/components_ng/gestures/recognizers/recognizer_group.h" 24 25 namespace OHOS::Ace::NG { 26 27 // ExclusiveRecognizer identifies gesture exclusive. 28 class ACE_EXPORT ExclusiveRecognizer : public RecognizerGroup { 29 DECLARE_ACE_TYPE(ExclusiveRecognizer, RecognizerGroup); 30 31 public: ExclusiveRecognizer(const std::vector<RefPtr<NGGestureRecognizer>> & recognizers)32 explicit ExclusiveRecognizer(const std::vector<RefPtr<NGGestureRecognizer>>& recognizers) 33 : RecognizerGroup(recognizers) 34 {} 35 ExclusiveRecognizer(std::list<RefPtr<NGGestureRecognizer>> && recognizers)36 explicit ExclusiveRecognizer(std::list<RefPtr<NGGestureRecognizer>>&& recognizers) 37 : RecognizerGroup(std::move(recognizers)) 38 {} 39 40 ~ExclusiveRecognizer() override = default; 41 42 void OnAccepted() override; 43 void OnRejected() override; 44 void OnPending() override; 45 void OnBlocked() override; 46 47 bool HandleEvent(const TouchEvent& point) override; 48 bool HandleEvent(const AxisEvent& event) override; GetGestureMode()49 GestureMode GetGestureMode() const override 50 { 51 return GestureMode::Exclusive; 52 } 53 54 void CleanRecognizerState() override; 55 void ForceCleanRecognizer() override; 56 57 private: 58 bool CheckNeedBlocked(const RefPtr<NGGestureRecognizer>& recognizer); HandleTouchDownEvent(const TouchEvent & event)59 void HandleTouchDownEvent(const TouchEvent& event) override {}; HandleTouchUpEvent(const TouchEvent & event)60 void HandleTouchUpEvent(const TouchEvent& event) override {}; HandleTouchMoveEvent(const TouchEvent & event)61 void HandleTouchMoveEvent(const TouchEvent& event) override {}; HandleTouchCancelEvent(const TouchEvent & event)62 void HandleTouchCancelEvent(const TouchEvent& event) override {}; 63 void BatchAdjudicate(const RefPtr<NGGestureRecognizer>& recognizer, GestureDisposal disposal) override; 64 void HandleAcceptDisposal(const RefPtr<NGGestureRecognizer>& recognizer); 65 void HandlePendingDisposal(const RefPtr<NGGestureRecognizer>& recognizer); 66 void HandleRejectDisposal(const RefPtr<NGGestureRecognizer>& recognizer); 67 RefPtr<NGGestureRecognizer> UnBlockGesture(); 68 69 bool ReconcileFrom(const RefPtr<NGGestureRecognizer>& recognizer) override; 70 void OnResetStatus() override; 71 72 void DispatchEventToActiveRecognizers(const TouchEvent& point); 73 void DispatchEventToAllRecognizers(const TouchEvent& point); 74 75 RefPtr<NGGestureRecognizer> activeRecognizer_; 76 }; 77 78 } // namespace OHOS::Ace::NG 79 80 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_GESTURES_RECOGNIZERS_EXCLUSIVE_RECOGNIZER_H 81