1 /* 2 * Copyright (c) 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_OVERLAY_SHEET_DRAG_BAR_PATTERN_H 17 #define FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERNS_OVERLAY_SHEET_DRAG_BAR_PATTERN_H 18 19 #include <optional> 20 21 #include "base/geometry/axis.h" 22 #include "base/memory/referenced.h" 23 #include "core/components/common/layout/constants.h" 24 #include "core/components_ng/event/event_hub.h" 25 #include "core/components_ng/pattern/overlay/sheet_drag_bar_paint_method.h" 26 #include "core/components_ng/pattern/overlay/sheet_drag_bar_paint_property.h" 27 #include "core/components_ng/pattern/pattern.h" 28 29 namespace OHOS::Ace::NG { 30 using ClickArrowCallback = std::function<void()>; 31 32 class ACE_EXPORT SheetDragBarPattern : public Pattern { 33 DECLARE_ACE_TYPE(SheetDragBarPattern, Pattern); 34 35 public: 36 SheetDragBarPattern() = default; 37 ~SheetDragBarPattern() override = default; 38 CreatePaintProperty()39 RefPtr<PaintProperty> CreatePaintProperty() override 40 { 41 return MakeRefPtr<SheetDragBarPaintProperty>(); 42 } 43 CreateNodePaintMethod()44 RefPtr<NodePaintMethod> CreateNodePaintMethod() override 45 { 46 return MakeRefPtr<SheetDragBarPaintMethod>(); 47 } 48 HasClickArrowCallback()49 bool HasClickArrowCallback() const 50 { 51 return (clickArrowCallback_ != nullptr); 52 } 53 SetClickArrowCallback(const ClickArrowCallback & callback)54 void SetClickArrowCallback(const ClickArrowCallback& callback) 55 { 56 clickArrowCallback_ = callback; 57 } 58 59 void UpdateDrawPoint(); 60 61 void ScaleAnimation(bool isDown); 62 void HandleTouchEvent(const TouchEventInfo& info); 63 void HandleTouchDown(const TouchLocationInfo& info); 64 void HandleTouchMove(const TouchLocationInfo& info); 65 void HandleTouchUp(); 66 void MarkDirtyNode(PropertyChangeFlag extraFlag); 67 68 private: 69 void OnModifyDone() override; 70 void OnAttachToFrameNode() override; 71 72 void InitClickEvent(); 73 void InitTouchEvent(const RefPtr<GestureEventHub>& gestureHub); 74 void OnClick(); 75 76 RefPtr<TouchEventImpl> touchEvent_; 77 RefPtr<ClickEvent> clickListener_; 78 79 OffsetF dragOffset_; 80 OffsetF downPoint_; 81 float dragOffsetX_ = 0.0f; 82 float dragOffsetY_ = 0.0f; 83 84 ClickArrowCallback clickArrowCallback_; 85 86 ACE_DISALLOW_COPY_AND_MOVE(SheetDragBarPattern); 87 }; 88 } // namespace OHOS::Ace::NG 89 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERNS_OVERLAY_SHEET_DRAG_BAR_PATTERN_H