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_REFRESH_PATTERN_H 17 #define FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERNS_REFRESH_PATTERN_H 18 19 #include <string> 20 21 #include "frameworks/base/geometry/dimension.h" 22 #include "frameworks/base/geometry/ng/offset_t.h" 23 #include "frameworks/base/memory/referenced.h" 24 #include "frameworks/base/utils/noncopyable.h" 25 #include "frameworks/core/components_ng/pattern/pattern.h" 26 #include "frameworks/core/components_ng/pattern/refresh/refresh_event_hub.h" 27 #include "frameworks/core/components_ng/pattern/refresh/refresh_layout_algorithm.h" 28 #include "frameworks/core/components_ng/pattern/refresh/refresh_layout_property.h" 29 #include "frameworks/core/components_ng/pattern/refresh/refresh_render_property.h" 30 #include "frameworks/core/components_ng/pattern/text/text_layout_property.h" 31 #include "frameworks/core/components_ng/property/property.h" 32 33 namespace OHOS::Ace::NG { 34 35 class RefreshPattern : public Pattern { 36 DECLARE_ACE_TYPE(RefreshPattern, Pattern); 37 38 public: 39 RefreshPattern() = default; 40 ~RefreshPattern() override = default; 41 CreateLayoutProperty()42 RefPtr<LayoutProperty> CreateLayoutProperty() override 43 { 44 return MakeRefPtr<RefreshLayoutProperty>(); 45 } 46 CreateLayoutAlgorithm()47 RefPtr<LayoutAlgorithm> CreateLayoutAlgorithm() override 48 { 49 return MakeRefPtr<RefreshLayoutAlgorithm>(); 50 } 51 CreatePaintProperty()52 RefPtr<PaintProperty> CreatePaintProperty() override 53 { 54 return MakeRefPtr<RefreshRenderProperty>(); 55 } 56 CreateEventHub()57 RefPtr<EventHub> CreateEventHub() override 58 { 59 return MakeRefPtr<RefreshEventHub>(); 60 } 61 IsAtomicNode()62 bool IsAtomicNode() const override 63 { 64 return false; 65 } 66 void OnModifyDone() override; 67 void FireStateChange(int32_t value); 68 void FireRefreshing(); 69 void FireChangeEvent(const std::string& value); 70 bool OnDirtyLayoutWrapperSwap(const RefPtr<LayoutWrapper>& dirty, bool skipMeasure, bool skipLayout) override; OnActive()71 void OnActive() override {} 72 void CheckCoordinationEvent(); 73 RefPtr<FrameNode> FindScrollableChild(); 74 75 private: 76 void InitPanEvent(const RefPtr<GestureEventHub>& gestureHub); 77 void HandleDragStart(); 78 void HandleDragUpdate(float delta); 79 void HandleDragEnd(); 80 void HandleDragCancel(); 81 void TriggerRefresh(); 82 void TriggerInActive(); 83 void TriggerDone(); 84 void TriggerFinish(); 85 void TriggerStatusChange(RefreshStatus newStatus); 86 void TransitionPeriodAnimation(); 87 void RefreshStatusChange(RefreshStatus newStatus); 88 void LoadingProgressExit(); 89 void LoadingProgressAppear(); 90 void LoadingProgressRecycle(); 91 void UpdateLoadingProgress(int32_t state, float ratio); 92 void ReplaceLoadingProgressNode(); 93 void LoadingProgressReset(); 94 void OnExitAnimationFinish(); 95 void ResetLoadingProgressColor(); 96 float GetFollowRatio(); 97 float GetFadeAwayRatio(); 98 float GetScrollOffset(float delta); 99 void UpdateLoadingMarginTop(float top); 100 RefreshStatus refreshStatus_ = RefreshStatus::INACTIVE; 101 RefPtr<PanEvent> panEvent_; 102 OffsetF scrollOffset_; 103 104 bool isRefreshing_ = false; 105 float triggerLoadingDistance_ = 0.0f; 106 RefPtr<FrameNode> progressChild_; 107 WeakPtr<FrameNode> scrollableNode_; 108 ACE_DISALLOW_COPY_AND_MOVE(RefreshPattern); 109 }; 110 } // namespace OHOS::Ace::NG 111 112 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERNS_TEXT_TEXT_PATTERN_H 113