mirror of
https://github.com/Swiftgram/Telegram-iOS.git
synced 2025-09-02 18:59:51 +00:00
8013e25524
* Fixed license * Update all licenses * Update Dangerfile for new license * Update already updated licenses * Closer… * Closer… * Closer… * Closer… * Closer… * Closer… * Closer… * Closer… * Closer… * Closer… * Closer…
49 lines
1.4 KiB
Objective-C
49 lines
1.4 KiB
Objective-C
//
|
|
// ASDisplayNode+Convenience.m
|
|
// Texture
|
|
//
|
|
// Copyright (c) 2014-present, Facebook, Inc. All rights reserved.
|
|
// This source code is licensed under the BSD-style license found in the
|
|
// LICENSE file in the /ASDK-Licenses directory of this source tree. An additional
|
|
// grant of patent rights can be found in the PATENTS file in the same directory.
|
|
//
|
|
// Modifications to this file made after 4/13/2017 are: Copyright (c) 2017-present,
|
|
// Pinterest, Inc. Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
|
|
#import "ASDisplayNode+Convenience.h"
|
|
|
|
#import <UIKit/UIViewController.h>
|
|
|
|
#import <AsyncDisplayKit/ASDisplayNodeExtras.h>
|
|
#import <AsyncDisplayKit/ASResponderChainEnumerator.h>
|
|
|
|
@implementation ASDisplayNode (Convenience)
|
|
|
|
- (__kindof UIViewController *)closestViewController
|
|
{
|
|
ASDisplayNodeAssertMainThread();
|
|
|
|
// Careful not to trigger node loading here.
|
|
if (!self.nodeLoaded) {
|
|
return nil;
|
|
}
|
|
|
|
// Get the closest view.
|
|
UIView *view = ASFindClosestViewOfLayer(self.layer);
|
|
// Travel up the responder chain to find a view controller.
|
|
for (UIResponder *responder in [view asdk_responderChainEnumerator]) {
|
|
UIViewController *vc = ASDynamicCast(responder, UIViewController);
|
|
if (vc != nil) {
|
|
return vc;
|
|
}
|
|
}
|
|
return nil;
|
|
}
|
|
|
|
@end
|