1 /* 2 * Copyright (c) 2024 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_SYNTAX_REPEAT_NODE_H 17 #define FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_SYNTAX_REPEAT_NODE_H 18 19 #include <cstdint> 20 #include <list> 21 #include <string> 22 #include <type_traits> 23 24 #include "base/utils/macros.h" 25 #include "core/components_ng/base/ui_node.h" 26 #include "core/components_ng/syntax/for_each_base_node.h" 27 #include "core/components_v2/inspector/inspector_constants.h" 28 29 namespace OHOS::Ace::NG { 30 31 class ACE_EXPORT RepeatNode : public ForEachBaseNode { 32 DECLARE_ACE_TYPE(RepeatNode, ForEachBaseNode); 33 34 public: 35 static RefPtr<RepeatNode> GetOrCreateRepeatNode(int32_t nodeId); 36 RepeatNode(int32_t nodeId)37 explicit RepeatNode(int32_t nodeId) : ForEachBaseNode(V2::JS_REPEAT_ETS_TAG, nodeId) {} 38 39 ~RepeatNode() override = default; 40 IsAtomicNode()41 bool IsAtomicNode() const override 42 { 43 return false; 44 } 45 46 void CreateTempItems(); 47 48 // RepeatNode only 49 void FinishRepeatRender(std::list<int32_t>& removedElmtId); 50 51 void FlushUpdateAndMarkDirty() override; 52 53 // RepeatNode only 54 void MoveChild(uint32_t fromIndex); 55 GetTempIds()56 const std::list<std::string>& GetTempIds() const 57 { 58 return tempIds_; 59 } 60 SetIds(std::list<std::string> && ids)61 void SetIds(std::list<std::string>&& ids) 62 { 63 ids_ = std::move(ids); 64 } 65 66 void AfterAddChild(); 67 void SetOnMove(std::function<void(int32_t, int32_t)>&& onMove); 68 void SetItemDragHandler(std::function<void(int32_t)>&& onLongPress, std::function<void(int32_t)>&& onDragStart, 69 std::function<void(int32_t, int32_t)>&& onMoveThrough, std::function<void(int32_t)>&& onDrop); 70 71 void MoveData(int32_t from, int32_t to) override; 72 RefPtr<FrameNode> GetFrameNode(int32_t index) override; 73 void InitDragManager(const RefPtr<UINode>& childNode); 74 void InitAllChildrenDragManager(bool init); 75 76 private: 77 std::list<std::string> ids_; 78 int32_t from_ = -1; 79 int32_t to_ = -1; 80 81 // temp items use to compare each update. 82 std::list<std::string> tempIds_; 83 std::list<RefPtr<UINode>> tempChildren_; 84 85 // RepeatNode only 86 std::vector<RefPtr<UINode>> tempChildrenOfRepeat_; 87 88 ACE_DISALLOW_COPY_AND_MOVE(RepeatNode); 89 }; 90 91 } // namespace OHOS::Ace::NG 92 93 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_SYNTAX_REPEAT_NODE_H 94