mirror of
https://github.com/Swiftgram/Telegram-iOS.git
synced 2025-09-03 03:10:47 +00:00
106 lines
2.9 KiB
Objective-C
106 lines
2.9 KiB
Objective-C
//
|
|
// ASLayoutTransition.h
|
|
// 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 <AsyncDisplayKit/ASDimension.h>
|
|
#import <AsyncDisplayKit/_ASTransitionContext.h>
|
|
#import <AsyncDisplayKit/ASDisplayNodeLayout.h>
|
|
#import <AsyncDisplayKit/ASBaseDefines.h>
|
|
|
|
#import <AsyncDisplayKit/ASDisplayNode.h>
|
|
#import <AsyncDisplayKit/ASLayoutSpec.h>
|
|
|
|
#import <memory>
|
|
|
|
NS_ASSUME_NONNULL_BEGIN
|
|
|
|
#pragma mark - ASLayoutElementTransition
|
|
|
|
/**
|
|
* Objects conform to this project returns if it's possible to layout asynchronous
|
|
*/
|
|
@protocol ASLayoutElementTransition <NSObject>
|
|
|
|
/**
|
|
* @abstract Returns if the layoutElement can be used to layout in an asynchronous way on a background thread.
|
|
*/
|
|
@property (nonatomic, assign, readonly) BOOL canLayoutAsynchronous;
|
|
|
|
@end
|
|
|
|
@interface ASDisplayNode () <ASLayoutElementTransition>
|
|
@end
|
|
@interface ASLayoutSpec () <ASLayoutElementTransition>
|
|
@end
|
|
|
|
|
|
#pragma mark - ASLayoutTransition
|
|
|
|
AS_SUBCLASSING_RESTRICTED
|
|
@interface ASLayoutTransition : NSObject <_ASTransitionContextLayoutDelegate>
|
|
|
|
/**
|
|
* Node to apply layout transition on
|
|
*/
|
|
@property (nonatomic, readonly, weak) ASDisplayNode *node;
|
|
|
|
/**
|
|
* Previous layout to transition from
|
|
*/
|
|
@property (nonatomic, readonly, assign) std::shared_ptr<ASDisplayNodeLayout> previousLayout;
|
|
|
|
/**
|
|
* Pending layout to transition to
|
|
*/
|
|
@property (nonatomic, readonly, assign) std::shared_ptr<ASDisplayNodeLayout> pendingLayout;
|
|
|
|
/**
|
|
* Returns if the layout transition needs to happen synchronously
|
|
*/
|
|
@property (nonatomic, readonly, assign) BOOL isSynchronous;
|
|
|
|
/**
|
|
* Returns a newly initialized layout transition
|
|
*/
|
|
- (instancetype)initWithNode:(ASDisplayNode *)node
|
|
pendingLayout:(std::shared_ptr<ASDisplayNodeLayout>)pendingLayout
|
|
previousLayout:(std::shared_ptr<ASDisplayNodeLayout>)previousLayout NS_DESIGNATED_INITIALIZER;
|
|
|
|
/**
|
|
* Insert and remove subnodes that were added or removed between the previousLayout and the pendingLayout
|
|
*/
|
|
- (void)commitTransition;
|
|
|
|
/**
|
|
* Insert all new subnodes that were added between the previous layout and the pending layout
|
|
*/
|
|
- (void)applySubnodeInsertions;
|
|
|
|
/**
|
|
* Remove all subnodes that are removed between the previous layout and the pending layout
|
|
*/
|
|
- (void)applySubnodeRemovals;
|
|
|
|
@end
|
|
|
|
@interface ASLayoutTransition (Unavailable)
|
|
|
|
- (instancetype)init __unavailable;
|
|
|
|
@end
|
|
|
|
NS_ASSUME_NONNULL_END
|