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c5b1d09b49
* Remove direct ivar access on non-self object to prevent issues when the object is actually a mock * Comment * Remove lock to avoid deadlock risk
100 lines
2.6 KiB
Plaintext
100 lines
2.6 KiB
Plaintext
//
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// ASNodeController+Beta.m
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// Texture
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//
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// Copyright (c) 2014-present, Facebook, Inc. All rights reserved.
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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 /ASDK-Licenses directory of this source tree. An additional
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// grant of patent rights can be found in the PATENTS file in the same directory.
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//
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// Modifications to this file made after 4/13/2017 are: Copyright (c) 2017-present,
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// Pinterest, Inc. Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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#import <AsyncDisplayKit/ASInternalHelpers.h>
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#import <AsyncDisplayKit/ASDisplayNodeInternal.h>
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#import <AsyncDisplayKit/ASDisplayNode+FrameworkPrivate.h>
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#import <AsyncDisplayKit/ASNodeController+Beta.h>
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#define _node (_shouldInvertStrongReference ? _weakNode : _strongNode)
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@implementation ASNodeController
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{
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ASDisplayNode *_strongNode;
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__weak ASDisplayNode *_weakNode;
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}
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- (void)loadNode
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{
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self.node = [[ASDisplayNode alloc] init];
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}
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- (ASDisplayNode *)node
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{
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if (_node == nil) {
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[self loadNode];
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}
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return _node;
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}
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- (void)setupReferencesWithNode:(ASDisplayNode *)node
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{
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if (_shouldInvertStrongReference) {
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// The node should own the controller; weak reference from controller to node.
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_weakNode = node;
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_strongNode = nil;
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} else {
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// The controller should own the node; weak reference from node to controller.
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_strongNode = node;
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_weakNode = nil;
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}
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[node __setNodeController:self];
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[node addInterfaceStateDelegate:self];
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}
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- (void)setNode:(ASDisplayNode *)node
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{
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[self setupReferencesWithNode:node];
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}
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- (void)setShouldInvertStrongReference:(BOOL)shouldInvertStrongReference
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{
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if (_shouldInvertStrongReference != shouldInvertStrongReference) {
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// Because the BOOL controls which ivar we access, get the node before toggling.
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ASDisplayNode *node = _node;
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_shouldInvertStrongReference = shouldInvertStrongReference;
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[self setupReferencesWithNode:node];
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}
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}
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// subclass overrides
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- (void)nodeDidLoad {}
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- (void)nodeDidLayout {}
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- (void)didEnterVisibleState {}
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- (void)didExitVisibleState {}
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- (void)didEnterDisplayState {}
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- (void)didExitDisplayState {}
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- (void)didEnterPreloadState {}
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- (void)didExitPreloadState {}
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- (void)interfaceStateDidChange:(ASInterfaceState)newState
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fromState:(ASInterfaceState)oldState {}
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@end
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@implementation ASDisplayNode (ASNodeController)
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- (ASNodeController *)nodeController {
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return _weakNodeController ?: _strongNodeController;
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}
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@end
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