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* [License] Simplify the Texture license to be pure Apache 2 (removing ASDK-Licenses) With permission of the Facebook Open Source team, we are simplifying the Texture license so that clients can rely on the Apache 2 terms that most of Texture is already covered by. This means that code originally forked from AsyncDisplayKit will be re-licensed from "BSD 3-clause + PATENTS v2" to Apache 2 without a PATENTS file. After getting confirmation that the updates to these core files look good, we'll propagate this new license header to all files (in this same PR) and get sign-off from all parties before landing. * [License] Update all Texture source files to be pure Apache 2. * Changelog entry for Apache 2 license update. * Revert "[License] Update all Texture source files to be pure Apache 2." This reverts commit ffa0fbbba9717d871dd16c4b07539f2f8208fc2b. * [License] Update all Texture source files to be pure Apache 2, maintaining copyrights. * [License] Update CONTRIBUTING, README, Podspec & Dangerfile.
96 lines
2.5 KiB
Objective-C
96 lines
2.5 KiB
Objective-C
//
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// ASLayoutTransition.h
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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 <AsyncDisplayKit/ASDimension.h>
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#import <AsyncDisplayKit/_ASTransitionContext.h>
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#import <AsyncDisplayKit/ASDisplayNodeLayout.h>
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#import <AsyncDisplayKit/ASBaseDefines.h>
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#import <AsyncDisplayKit/ASDisplayNode.h>
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#import <AsyncDisplayKit/ASLayoutSpec.h>
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#import <memory>
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NS_ASSUME_NONNULL_BEGIN
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#pragma mark - ASLayoutElementTransition
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/**
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* Objects conform to this project returns if it's possible to layout asynchronous
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*/
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@protocol ASLayoutElementTransition <NSObject>
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/**
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* @abstract Returns if the layoutElement can be used to layout in an asynchronous way on a background thread.
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*/
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@property (nonatomic, readonly) BOOL canLayoutAsynchronous;
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@end
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@interface ASDisplayNode () <ASLayoutElementTransition>
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@end
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@interface ASLayoutSpec () <ASLayoutElementTransition>
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@end
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#pragma mark - ASLayoutTransition
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AS_SUBCLASSING_RESTRICTED
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@interface ASLayoutTransition : NSObject <_ASTransitionContextLayoutDelegate>
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/**
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* Node to apply layout transition on
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*/
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@property (nonatomic, weak, readonly) ASDisplayNode *node;
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/**
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* Previous layout to transition from
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*/
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@property (nonatomic, readonly) std::shared_ptr<ASDisplayNodeLayout> previousLayout;
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/**
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* Pending layout to transition to
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*/
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@property (nonatomic, readonly) std::shared_ptr<ASDisplayNodeLayout> pendingLayout;
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/**
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* Returns if the layout transition needs to happen synchronously
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*/
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@property (nonatomic, readonly) BOOL isSynchronous;
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/**
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* Returns a newly initialized layout transition
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*/
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- (instancetype)initWithNode:(ASDisplayNode *)node
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pendingLayout:(std::shared_ptr<ASDisplayNodeLayout>)pendingLayout
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previousLayout:(std::shared_ptr<ASDisplayNodeLayout>)previousLayout NS_DESIGNATED_INITIALIZER;
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/**
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* Insert and remove subnodes that were added or removed between the previousLayout and the pendingLayout
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*/
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- (void)commitTransition;
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/**
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* Insert all new subnodes that were added and move the subnodes that moved between the previous layout and
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* the pending layout.
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*/
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- (void)applySubnodeInsertionsAndMoves;
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/**
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* Remove all subnodes that are removed between the previous layout and the pending layout
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*/
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- (void)applySubnodeRemovals;
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- (instancetype)init NS_UNAVAILABLE;
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- (instancetype)new NS_UNAVAILABLE;
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@end
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NS_ASSUME_NONNULL_END
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