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75 lines
2.8 KiB
Objective-C
75 lines
2.8 KiB
Objective-C
/* Copyright (c) 2014-present, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*/
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#import <QuartzCore/QuartzCore.h>
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#import <UIKit/UIKit.h>
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#import <AsyncDisplayKit/ASBaseDefines.h>
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#import <AsyncDisplayKit/ASDisplayNode.h>
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NS_ASSUME_NONNULL_BEGIN
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ASDISPLAYNODE_EXTERN_C_BEGIN
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/**
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Given a layer, returns the associated display node, if any.
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*/
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extern ASDisplayNode * _Nullable ASLayerToDisplayNode(CALayer * _Nullable layer);
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/**
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Given a view, returns the associated display node, if any.
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*/
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extern ASDisplayNode * _Nullable ASViewToDisplayNode(UIView * _Nullable view);
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/**
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Given a display node, traverses up the layer tree hierarchy, returning the first display node that passes block.
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*/
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extern id ASDisplayNodeFind(ASDisplayNode * _Nullable node, BOOL (^block)(ASDisplayNode *node));
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/**
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Given a display node, traverses up the layer tree hierarchy, returning the first display node of kind class.
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*/
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extern id ASDisplayNodeFindClass(ASDisplayNode *start, Class c);
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/**
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Given a display node, collects all descendents. This is a specialization of ASCollectContainer() that walks the Core Animation layer tree as opposed to the display node tree, thus supporting non-continuous display node hierarchies.
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*/
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extern NSArray<ASDisplayNode *> *ASCollectDisplayNodes(ASDisplayNode *node);
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/**
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Given a display node, traverses down the node hierarchy, returning all the display nodes that pass the block.
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*/
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extern NSArray<ASDisplayNode *> *ASDisplayNodeFindAllSubnodes(ASDisplayNode *start, BOOL (^block)(ASDisplayNode *node));
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/**
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Given a display node, traverses down the node hierarchy, returning all the display nodes of kind class.
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*/
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extern NSArray<ASDisplayNode *> *ASDisplayNodeFindAllSubnodesOfClass(ASDisplayNode *start, Class c);
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/**
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Given a display node, traverses down the node hierarchy, returning the depth-first display node that pass the block.
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*/
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extern __kindof ASDisplayNode * ASDisplayNodeFindFirstSubnode(ASDisplayNode *start, BOOL (^block)(ASDisplayNode *node));
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/**
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Given a display node, traverses down the node hierarchy, returning the depth-first display node of kind class.
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*/
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extern __kindof ASDisplayNode * ASDisplayNodeFindFirstSubnodeOfClass(ASDisplayNode *start, Class c);
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extern UIColor *ASDisplayNodeDefaultPlaceholderColor();
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extern UIColor *ASDisplayNodeDefaultTintColor();
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/**
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Disable willAppear / didAppear / didDisappear notifications for a sub-hierarchy, then re-enable when done. Nested calls are supported.
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*/
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extern void ASDisplayNodeDisableHierarchyNotifications(ASDisplayNode *node);
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extern void ASDisplayNodeEnableHierarchyNotifications(ASDisplayNode *node);
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ASDISPLAYNODE_EXTERN_C_END
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NS_ASSUME_NONNULL_END |