mirror of
https://github.com/Swiftgram/Telegram-iOS.git
synced 2025-12-24 07:05:35 +00:00
Add 'submodules/AsyncDisplayKit/' from commit '02bedc12816e251ad71777f9d2578329b6d2bef6'
git-subtree-dir: submodules/AsyncDisplayKit git-subtree-mainline:d06f423e0egit-subtree-split:02bedc1281
This commit is contained in:
Peter
263
submodules/AsyncDisplayKit/Source/ASCellNode.h
Normal file
263
submodules/AsyncDisplayKit/Source/ASCellNode.h
Normal file
@@ -0,0 +1,263 @@
|
||||
//
|
||||
// ASCellNode.h
|
||||
// Texture
|
||||
//
|
||||
// Copyright (c) Facebook, Inc. and its affiliates. All rights reserved.
|
||||
// Changes after 4/13/2017 are: Copyright (c) Pinterest, Inc. All rights reserved.
|
||||
// Licensed under Apache 2.0: http://www.apache.org/licenses/LICENSE-2.0
|
||||
//
|
||||
|
||||
#ifndef MINIMAL_ASDK
|
||||
|
||||
#import <AsyncDisplayKit/ASDisplayNode.h>
|
||||
|
||||
NS_ASSUME_NONNULL_BEGIN
|
||||
|
||||
@class ASCellNode, ASTextNode;
|
||||
@protocol ASRangeManagingNode;
|
||||
|
||||
typedef NSUInteger ASCellNodeAnimation;
|
||||
|
||||
typedef NS_ENUM(NSUInteger, ASCellNodeVisibilityEvent) {
|
||||
/**
|
||||
* Indicates a cell has just became visible
|
||||
*/
|
||||
ASCellNodeVisibilityEventVisible,
|
||||
/**
|
||||
* Its position (determined by scrollView.contentOffset) has changed while at least 1px remains visible.
|
||||
* It is possible that 100% of the cell is visible both before and after and only its position has changed,
|
||||
* or that the position change has resulted in more or less of the cell being visible.
|
||||
* Use CGRectIntersect between cellFrame and scrollView.bounds to get this rectangle
|
||||
*/
|
||||
ASCellNodeVisibilityEventVisibleRectChanged,
|
||||
/**
|
||||
* Indicates a cell is no longer visible
|
||||
*/
|
||||
ASCellNodeVisibilityEventInvisible,
|
||||
/**
|
||||
* Indicates user has started dragging the visible cell
|
||||
*/
|
||||
ASCellNodeVisibilityEventWillBeginDragging,
|
||||
/**
|
||||
* Indicates user has ended dragging the visible cell
|
||||
*/
|
||||
ASCellNodeVisibilityEventDidEndDragging,
|
||||
};
|
||||
|
||||
/**
|
||||
* Generic cell node. Subclass this instead of `ASDisplayNode` to use with `ASTableView` and `ASCollectionView`.
|
||||
|
||||
* @note When a cell node is contained inside a collection view (or table view),
|
||||
* calling `-setNeedsLayout` will also notify the collection on the main thread
|
||||
* so that the collection can update its item layout if the cell's size changed.
|
||||
*/
|
||||
@interface ASCellNode : ASDisplayNode
|
||||
|
||||
/**
|
||||
* @abstract When enabled, ensures that the cell is completely displayed before allowed onscreen.
|
||||
*
|
||||
* @default NO
|
||||
* @discussion Normally, ASCellNodes are preloaded and have finished display before they are onscreen.
|
||||
* However, if the Table or Collection's rangeTuningParameters are set to small values (or 0),
|
||||
* or if the user is scrolling rapidly on a slow device, it is possible for a cell's display to
|
||||
* be incomplete when it becomes visible.
|
||||
*
|
||||
* In this case, normally placeholder states are shown and scrolling continues uninterrupted.
|
||||
* The finished, drawn content is then shown as soon as it is ready.
|
||||
*
|
||||
* With this property set to YES, the main thread will be blocked until display is complete for
|
||||
* the cell. This is more similar to UIKit, and in fact makes AsyncDisplayKit scrolling visually
|
||||
* indistinguishable from UIKit's, except being faster.
|
||||
*
|
||||
* Using this option does not eliminate all of the performance advantages of AsyncDisplayKit.
|
||||
* Normally, a cell has been preloading and is almost done when it reaches the screen, so the
|
||||
* blocking time is very short. If the rangeTuningParameters are set to 0, still this option
|
||||
* outperforms UIKit: while the main thread is waiting, subnode display executes concurrently.
|
||||
*/
|
||||
@property BOOL neverShowPlaceholders;
|
||||
|
||||
/*
|
||||
* The kind of supplementary element this node represents, if any.
|
||||
*
|
||||
* @return The supplementary element kind, or @c nil if this node does not represent a supplementary element.
|
||||
*/
|
||||
@property (nullable, copy, readonly) NSString *supplementaryElementKind;
|
||||
|
||||
/*
|
||||
* The layout attributes currently assigned to this node, if any.
|
||||
*
|
||||
* @discussion This property is useful because it is set before @c collectionView:willDisplayNode:forItemAtIndexPath:
|
||||
* is called, when the node is not yet in the hierarchy and its frame cannot be converted to/from other nodes. Instead
|
||||
* you can use the layout attributes object to learn where and how the cell will be displayed.
|
||||
*/
|
||||
@property (nullable, copy, readonly) UICollectionViewLayoutAttributes *layoutAttributes;
|
||||
|
||||
/**
|
||||
* A Boolean value that is synchronized with the underlying collection or tableView cell property.
|
||||
* Setting this value is equivalent to calling selectItem / deselectItem on the collection or table.
|
||||
*/
|
||||
@property (getter=isSelected) BOOL selected;
|
||||
|
||||
/**
|
||||
* A Boolean value that is synchronized with the underlying collection or tableView cell property.
|
||||
* Setting this value is equivalent to calling highlightItem / unHighlightItem on the collection or table.
|
||||
*/
|
||||
@property (getter=isHighlighted) BOOL highlighted;
|
||||
|
||||
/**
|
||||
* The current index path of this cell node, or @c nil if this node is
|
||||
* not a valid item inside a table node or collection node.
|
||||
*/
|
||||
@property (nullable, copy, readonly) NSIndexPath *indexPath;
|
||||
|
||||
/**
|
||||
* BETA: API is under development. We will attempt to provide an easy migration pathway for any changes.
|
||||
*
|
||||
* The view-model currently assigned to this node, if any.
|
||||
*
|
||||
* This property may be set off the main thread, but this method will never be invoked concurrently on the
|
||||
*/
|
||||
@property (nullable) id nodeModel;
|
||||
|
||||
/**
|
||||
* Asks the node whether it can be updated to the given node model.
|
||||
*
|
||||
* The default implementation returns YES if the class matches that of the current view-model.
|
||||
*/
|
||||
- (BOOL)canUpdateToNodeModel:(id)nodeModel;
|
||||
|
||||
/**
|
||||
* The backing view controller, or @c nil if the node wasn't initialized with backing view controller
|
||||
* @note This property must be accessed on the main thread.
|
||||
*/
|
||||
@property (nullable, nonatomic, readonly) UIViewController *viewController;
|
||||
|
||||
|
||||
/**
|
||||
* The table- or collection-node that this cell is a member of, if any.
|
||||
*/
|
||||
@property (nullable, weak, readonly) id<ASRangeManagingNode> owningNode;
|
||||
|
||||
/*
|
||||
* ASCellNode must forward touch events in order for UITableView and UICollectionView tap handling to work. Overriding
|
||||
* these methods (e.g. for highlighting) requires the super method be called.
|
||||
*/
|
||||
- (void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(nullable UIEvent *)event ASDISPLAYNODE_REQUIRES_SUPER;
|
||||
- (void)touchesMoved:(NSSet<UITouch *> *)touches withEvent:(nullable UIEvent *)event ASDISPLAYNODE_REQUIRES_SUPER;
|
||||
- (void)touchesEnded:(NSSet<UITouch *> *)touches withEvent:(nullable UIEvent *)event ASDISPLAYNODE_REQUIRES_SUPER;
|
||||
- (void)touchesCancelled:(nullable NSSet<UITouch *> *)touches withEvent:(nullable UIEvent *)event ASDISPLAYNODE_REQUIRES_SUPER;
|
||||
|
||||
/**
|
||||
* Called by the system when ASCellNode is used with an ASCollectionNode. It will not be called by ASTableNode.
|
||||
* When the UICollectionViewLayout object returns a new UICollectionViewLayoutAttributes object, the corresponding ASCellNode will be updated.
|
||||
* See UICollectionViewCell's applyLayoutAttributes: for a full description.
|
||||
*/
|
||||
- (void)applyLayoutAttributes:(UICollectionViewLayoutAttributes *)layoutAttributes;
|
||||
|
||||
/**
|
||||
* @abstract Initializes a cell with a given view controller block.
|
||||
*
|
||||
* @param viewControllerBlock The block that will be used to create the backing view controller.
|
||||
* @param didLoadBlock The block that will be called after the view controller's view is loaded.
|
||||
*
|
||||
* @return An ASCellNode created using the root view of the view controller provided by the viewControllerBlock.
|
||||
* The view controller's root view is resized to match the calculated size produced during layout.
|
||||
*
|
||||
*/
|
||||
- (instancetype)initWithViewControllerBlock:(ASDisplayNodeViewControllerBlock)viewControllerBlock didLoadBlock:(nullable ASDisplayNodeDidLoadBlock)didLoadBlock;
|
||||
|
||||
/**
|
||||
* @abstract Notifies the cell node of certain visibility events, such as changing visible rect.
|
||||
*
|
||||
* @warning In cases where an ASCellNode is used as a plain node – i.e. not returned from the
|
||||
* nodeBlockForItemAtIndexPath/nodeForItemAtIndexPath data source methods – this method will
|
||||
* deliver only the `Visible` and `Invisible` events, `scrollView` will be nil, and
|
||||
* `cellFrame` will be the zero rect.
|
||||
*/
|
||||
- (void)cellNodeVisibilityEvent:(ASCellNodeVisibilityEvent)event inScrollView:(nullable UIScrollView *)scrollView withCellFrame:(CGRect)cellFrame;
|
||||
|
||||
#pragma mark - UITableViewCell specific passthrough properties
|
||||
|
||||
/* @abstract The selection style when a tap on a cell occurs
|
||||
* @default UITableViewCellSelectionStyleDefault
|
||||
* ASTableView uses these properties when configuring UITableViewCells that host ASCellNodes.
|
||||
*/
|
||||
@property UITableViewCellSelectionStyle selectionStyle;
|
||||
|
||||
/* @abstract The focus style when a cell is focused
|
||||
* @default UITableViewCellFocusStyleDefault
|
||||
* ASTableView uses these properties when configuring UITableViewCells that host ASCellNodes.
|
||||
*/
|
||||
@property UITableViewCellFocusStyle focusStyle;
|
||||
|
||||
/* @abstract The view used as the background of the cell when it is selected.
|
||||
* ASTableView uses these properties when configuring UITableViewCells that host ASCellNodes.
|
||||
* ASCollectionView uses these properties when configuring UICollectionViewCells that host ASCellNodes.
|
||||
*/
|
||||
@property (nullable) UIView *selectedBackgroundView;
|
||||
|
||||
/* @abstract The view used as the background of the cell.
|
||||
* ASTableView uses these properties when configuring UITableViewCells that host ASCellNodes.
|
||||
* ASCollectionView uses these properties when configuring UICollectionViewCells that host ASCellNodes.
|
||||
*/
|
||||
@property (nullable) UIView *backgroundView;
|
||||
|
||||
/* @abstract The accessory type view on the right side of the cell. Please take care of your ASLayoutSpec so that doesn't overlay the accessoryView
|
||||
* @default UITableViewCellAccessoryNone
|
||||
* ASTableView uses these properties when configuring UITableViewCells that host ASCellNodes.
|
||||
*/
|
||||
@property UITableViewCellAccessoryType accessoryType;
|
||||
|
||||
/* @abstract The inset of the cell separator line
|
||||
* ASTableView uses these properties when configuring UITableViewCells that host ASCellNodes.
|
||||
*/
|
||||
@property UIEdgeInsets separatorInset;
|
||||
|
||||
@end
|
||||
|
||||
@interface ASCellNode (Unavailable)
|
||||
|
||||
- (instancetype)initWithLayerBlock:(ASDisplayNodeLayerBlock)viewBlock didLoadBlock:(nullable ASDisplayNodeDidLoadBlock)didLoadBlock NS_UNAVAILABLE;
|
||||
|
||||
- (instancetype)initWithViewBlock:(ASDisplayNodeViewBlock)viewBlock didLoadBlock:(nullable ASDisplayNodeDidLoadBlock)didLoadBlock NS_UNAVAILABLE;
|
||||
|
||||
- (void)setLayerBacked:(BOOL)layerBacked AS_UNAVAILABLE("ASCellNode does not support layer-backing, although subnodes may be layer-backed.");
|
||||
|
||||
@end
|
||||
|
||||
|
||||
/**
|
||||
* Simple label-style cell node. Read its source for an example of custom <ASCellNode>s.
|
||||
*/
|
||||
@interface ASTextCellNode : ASCellNode
|
||||
|
||||
/**
|
||||
* Initializes a text cell with given text attributes and text insets
|
||||
*/
|
||||
- (instancetype)initWithAttributes:(NSDictionary *)textAttributes insets:(UIEdgeInsets)textInsets;
|
||||
|
||||
/**
|
||||
* Text to display.
|
||||
*/
|
||||
@property (nullable, copy) NSString *text;
|
||||
|
||||
/**
|
||||
* A dictionary containing key-value pairs for text attributes. You can specify the font, text color, text shadow color, and text shadow offset using the keys listed in NSString UIKit Additions Reference.
|
||||
*/
|
||||
@property (copy) NSDictionary<NSAttributedStringKey, id> *textAttributes;
|
||||
|
||||
/**
|
||||
* The text inset or outset for each edge. The default value is 15.0 horizontal and 11.0 vertical padding.
|
||||
*/
|
||||
@property UIEdgeInsets textInsets;
|
||||
|
||||
/**
|
||||
* The text node used by this cell node.
|
||||
*/
|
||||
@property (readonly) ASTextNode *textNode;
|
||||
|
||||
@end
|
||||
|
||||
NS_ASSUME_NONNULL_END
|
||||
|
||||
#endif
|
||||
Reference in New Issue
Block a user