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_MANAGER_SELECT_OVERLAY_SELECT_OVERLAY_MANAGER_H 17 #define FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_MANAGER_SELECT_OVERLAY_SELECT_OVERLAY_MANAGER_H 18 19 #include <cstdint> 20 #include <memory> 21 #include <unordered_map> 22 23 #include "base/memory/ace_type.h" 24 #include "base/memory/referenced.h" 25 #include "base/utils/noncopyable.h" 26 #include "core/common/font_change_observer.h" 27 #include "core/common/font_manager.h" 28 #include "core/components_ng/base/frame_node.h" 29 #include "core/components_ng/manager/select_content_overlay/select_content_overlay_manager.h" 30 #include "core/components_ng/manager/select_overlay/select_overlay_proxy.h" 31 #include "core/components_ng/manager/select_overlay/selection_host.h" 32 #include "core/components_ng/pattern/select_overlay/select_overlay_node.h" 33 #include "core/components_ng/pattern/select_overlay/select_overlay_property.h" 34 #include "core/components_ng/property/property.h" 35 36 namespace OHOS::Ace::NG { 37 38 using ScrollableParentCallback = std::function<void(Axis, float, int32_t)>; 39 40 // SelectOverlayManager is the class to show and control select handle and select menu. 41 class ACE_EXPORT SelectOverlayManager : public FontChangeObserver { 42 DECLARE_ACE_TYPE(SelectOverlayManager, FontChangeObserver); 43 44 public: SelectOverlayManager(const RefPtr<FrameNode> & rootNode)45 explicit SelectOverlayManager(const RefPtr<FrameNode>& rootNode) : rootNodeWeak_(rootNode) {} 46 ~SelectOverlayManager(); 47 48 // Create and display selection pop-ups. 49 RefPtr<SelectOverlayProxy> CreateAndShowSelectOverlay( 50 const SelectOverlayInfo& info, const WeakPtr<SelectionHost>& host, bool animation = false); 51 52 // Destroy the pop-up interface and delete the pop-up information. 53 void DestroySelectOverlay(const RefPtr<SelectOverlayProxy>& proxy, bool animation = false); 54 void DestroySelectOverlay(int32_t overlayId, bool animation = false); 55 bool DestroySelectOverlay(bool animation = false); 56 57 bool ResetSelectionAndDestroySelectOverlay(bool isBackPressed = false, bool animation = false); 58 59 bool HasSelectOverlay(int32_t overlayId); 60 61 bool IsInSelectedOrSelectOverlayArea(const PointF& point); 62 63 RefPtr<SelectOverlayNode> GetSelectOverlayNode(int32_t overlayId); 64 65 bool IsSameSelectOverlayInfo(const SelectOverlayInfo& info); 66 SetOnTouchTestResults(const std::vector<std::string> & touchTestResults)67 void SetOnTouchTestResults(const std::vector<std::string>& touchTestResults) 68 { 69 touchTestResults_ = touchTestResults; 70 } 71 72 void HandleGlobalEvent( 73 const TouchEvent& touchPoint, const NG::OffsetF& rootOffset, bool isMousePressAtSelectedNode = false); 74 75 void MarkDirty(PropertyChangeFlag flag); 76 77 RefPtr<UINode> FindWindowScene(RefPtr<FrameNode> targetNode); 78 GetSelectOverlayItem()79 const WeakPtr<FrameNode>& GetSelectOverlayItem() const 80 { 81 return selectOverlayItem_; 82 } 83 84 void NotifyOnScrollCallback(int32_t id, Axis axis, float offset, int32_t source); 85 86 void RegisterScrollCallback(int32_t scrollableParentId, int32_t callbackId, ScrollableParentCallback&& callback); 87 88 void RemoveScrollCallback(int32_t callbackId); 89 GetSelectOverlayInfo()90 SelectOverlayInfo GetSelectOverlayInfo() 91 { 92 return selectOverlayInfo_; 93 } 94 SetSelectedNodeByMouse(const SelectedByMouseInfo & info)95 void SetSelectedNodeByMouse(const SelectedByMouseInfo& info) 96 { 97 if (selectedByMouseInfo_ != info) { 98 if (selectedByMouseInfo_.onResetSelection) { 99 selectedByMouseInfo_.onResetSelection(); 100 } 101 selectedByMouseInfo_.clear(); 102 selectedByMouseInfo_ = info; 103 } 104 } 105 GetSelectedNodeIdByMouse(int32_t & id)106 bool GetSelectedNodeIdByMouse(int32_t& id) const 107 { 108 CHECK_NULL_RETURN(selectedByMouseInfo_.selectedNode.Upgrade(), false); 109 id = selectedByMouseInfo_.selectedNode.Upgrade()->GetId(); 110 return true; 111 } 112 113 void ResetSelection(const TouchEvent& touchPoint, bool isMousePressAtSelectedNode); 114 115 const RefPtr<SelectContentOverlayManager>& GetSelectContentOverlayManager(); 116 void CloseSelectContentOverlay(int32_t overlayId, CloseReason reason, bool animation); 117 118 void OnFontChanged() override; 119 120 private: 121 void DestroyHelper(const RefPtr<FrameNode>& overlay, bool animation = false); 122 123 void Destroy(const RefPtr<FrameNode>& overlay); 124 125 bool IsTouchInCallerArea(const std::optional<NG::PointF>& point = std::nullopt) const; 126 127 void NotifyOverlayClosed(bool closedByGlobalEvent = false); 128 129 bool PreProcessTouchEvent(const NG::PointF& point, const TouchEvent& touchPoint); 130 131 RefPtr<FrameNode> GetCallerHost() const; 132 133 WeakPtr<FrameNode> rootNodeWeak_; 134 135 WeakPtr<FrameNode> selectOverlayItem_; 136 WeakPtr<SelectionHost> host_; 137 138 SelectedByMouseInfo selectedByMouseInfo_; 139 140 SelectOverlayInfo selectOverlayInfo_; 141 142 std::vector<TouchEvent> touchDownPoints_; 143 std::vector<std::string> touchTestResults_; 144 145 std::map<int32_t, std::map<int32_t, ScrollableParentCallback>> parentScrollCallbacks_; 146 147 RefPtr<SelectContentOverlayManager> selectContentManager_; 148 149 ACE_DISALLOW_COPY_AND_MOVE(SelectOverlayManager); 150 }; 151 } // namespace OHOS::Ace::NG 152 153 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_MANAGER_SELECT_OVERLAY_SELECT_OVERLAY_MANAGER_H 154