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d0ba092a77
* Convert the codebase to Objective-C++ throughout. One language is better than two. * Put it back * Fix linker * Point explicitly to updated Weaver to unblock build * Revert "Point explicitly to updated Weaver to unblock build" This reverts commit fdc25296e8794d4e6e56c35f5fe6da2be3f71dbc. * Revert "Fix linker" This reverts commit 7be25f91519b8497ef42de79f115bcfbdb965c39. * Add in the frameworks * no message * Address spec lint warnings * Fix tvos build * Put that back * Address Michael's review * Add comment to kick CI
41 lines
1.0 KiB
Plaintext
41 lines
1.0 KiB
Plaintext
//
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// ASDisplayNode+Convenience.mm
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// Texture
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//
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// Copyright (c) Facebook, Inc. and its affiliates. All rights reserved.
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// Changes after 4/13/2017 are: Copyright (c) Pinterest, Inc. All rights reserved.
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// Licensed under Apache 2.0: http://www.apache.org/licenses/LICENSE-2.0
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//
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#import "ASDisplayNode+Convenience.h"
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#import <UIKit/UIViewController.h>
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#import <AsyncDisplayKit/ASDisplayNodeExtras.h>
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#import <AsyncDisplayKit/ASResponderChainEnumerator.h>
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@implementation ASDisplayNode (Convenience)
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- (__kindof UIViewController *)closestViewController
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{
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ASDisplayNodeAssertMainThread();
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// Careful not to trigger node loading here.
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if (!self.nodeLoaded) {
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return nil;
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}
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// Get the closest view.
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UIView *view = ASFindClosestViewOfLayer(self.layer);
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// Travel up the responder chain to find a view controller.
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for (UIResponder *responder in [view asdk_responderChainEnumerator]) {
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UIViewController *vc = ASDynamicCast(responder, UIViewController);
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if (vc != nil) {
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return vc;
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}
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}
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return nil;
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}
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@end
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