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_MANAGER_DRAG_DROP_DRAG_DROP_GLOBAL_CONTROLLER_H 17 #define FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_MANAGER_DRAG_DROP_DRAG_DROP_GLOBAL_CONTROLLER_H 18 19 #include <atomic> 20 #include <cstdint> 21 #include <memory> 22 #include <mutex> 23 #include <shared_mutex> 24 #include <unordered_map> 25 26 #include "base/memory/referenced.h" 27 #include "base/utils/macros.h" 28 #include "base/utils/noncopyable.h" 29 #include "core/gestures/drag_event.h" 30 31 namespace OHOS::Ace::NG { 32 class FrameNode; 33 class ACE_FORCE_EXPORT DragDropGlobalController { 34 public: 35 ~DragDropGlobalController(); 36 37 static DragDropGlobalController& GetInstance(); 38 39 void PublishMenuStatusWithNode(bool isShowing, const RefPtr<FrameNode>& targetNode = nullptr); 40 void UpdateMenuShowingStatus(bool isShowing); 41 bool IsMenuShowing() const; 42 bool IsInMoving() const; 43 void ResetDragDropInitiatingStatus(); 44 void UpdateDragDropInitiatingStatus(const RefPtr<FrameNode>& frameNode, 45 const DragDropInitiatingStatus& dragStatus); 46 void SetPrepareDragFrameNode(const WeakPtr<FrameNode>& prepareDragFrameNode); 47 const WeakPtr<FrameNode> GetPrepareDragFrameNode() const; 48 void SetPreDragStatus(PreDragStatus preDragStatus); 49 PreDragStatus GetPreDragStatus() const; 50 void SetEnableDropDisallowedBadge(bool enableDisallowStatusShowing); 51 bool GetEnableDropDisallowedBadge() const; 52 void UpdateDragFilterShowingStatus(bool isShowing); 53 bool IsDragFilterShowing() const; 54 bool IsOnOnDropPhase(); 55 void SetIsOnOnDropPhase(bool isOnOnDropPhase); 56 bool RequestDragEndCallback(int32_t requestId, DragRet dragResult, 57 std::function<void(const DragRet&)> stopDragCallback); 58 int32_t NotifyDragResult(int32_t requestId, int32_t result); 59 int32_t NotifyDragEndPendingDone(int32_t requestId); 60 61 // app global drag 62 void SetIsAppGlobalDragEnabled(bool isAppGlobalDragEnabled); 63 bool IsAppGlobalDragEnabled() const; 64 bool IsAlreadyGetAppGlobalDrag() const; 65 66 void SetDragStartRequestStatus(DragStartRequestStatus dragStartRequestStatus); 67 68 DragStartRequestStatus GetDragStartRequestStatus(); 69 70 void SetAsyncDragCallback(std::function<void()> asyncDragCallbac); 71 72 std::function<void()> GetAsyncDragCallback(); 73 74 void SetCallAnsyncDragEnd(std::function<void(DragStartRequestStatus)> callSyncDragEnd); 75 76 std::function<void(DragStartRequestStatus)> GetCallAnsyncEnd(); 77 78 bool IsCurrentDrag(int32_t requestId) const; 79 private: 80 DragDropGlobalController() = default; 81 82 private: 83 mutable std::shared_mutex mutex_; 84 // this is the real time menu show status flag, need to change to pair with menu target node in future 85 bool isContextMenuShowing_ = false; 86 ACE_DISALLOW_COPY_AND_MOVE(DragDropGlobalController); 87 RefPtr<FrameNode> currentDragNode_ = nullptr; 88 WeakPtr<FrameNode> prepareDragFrameNode_; 89 WeakPtr<FrameNode> menuLiftingTargetNode_; 90 PreDragStatus preDragStatus_ = PreDragStatus::ACTION_DETECTING_STATUS; 91 92 bool isDragFilterShowing_ = false; 93 94 DragStartRequestStatus dragStartRequestStatus_{DragStartRequestStatus::READY}; 95 std::function<void()> asyncDragCallback_; 96 std::function<void(DragStartRequestStatus)> callSyncDragEnd_; 97 98 // use for async on drop 99 bool isOnOnDropPhase_ = false; 100 int32_t requestId_ = -1; 101 std::function<void(const DragRet&)> stopDragCallback_ = nullptr; 102 DragRet dragResult_ = DragRet::DRAG_FAIL; 103 104 // app global drag 105 bool isAppGlobalDragEnabled_ = false; 106 bool isAlreadyGetAppGlobalDrag_ = false; 107 bool enableDropDisallowedBadge_ = false; 108 }; 109 110 } // namespace OHOS::Ace::NG 111 112 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_MANAGER_DRAG_DROP_DRAG_DROP_GLOBAL_CONTROLLER_H 113