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113 lines
4.0 KiB
Objective-C
113 lines
4.0 KiB
Objective-C
/* Copyright (c) 2014-present, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*/
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#import <UIKit/UIKit.h>
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#import <AsyncDisplayKit/ASRangeController.h>
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#import <AsyncDisplayKit/ASTableViewProtocols.h>
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@class ASCellNode;
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@protocol ASTableViewDataSource;
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@protocol ASTableViewDelegate;
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/**
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* Node-based table view.
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*
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* ASTableView is a version of UITableView that uses nodes -- specifically, ASCellNode subclasses -- with asynchronous
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* pre-rendering instead of synchronously loading UITableViewCells.
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*/
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@interface ASTableView : UITableView
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@property (nonatomic, weak) id<ASTableViewDataSource> asyncDataSource;
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@property (nonatomic, weak) id<ASTableViewDelegate> asyncDelegate;
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/**
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* Tuning parameters for the working range.
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*
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* Defaults to a trailing buffer of one screenful and a leading buffer of two screenfuls.
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*/
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@property (nonatomic, assign) ASRangeTuningParameters rangeTuningParameters;
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/**
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* Reload everything from scratch, destroying the working range and all cached nodes.
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*
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* @warning This method is substantially more expensive than UITableView's version.
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*/
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- (void)reloadData;
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/**
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* We don't support the these methods for animation yet.
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*
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* TODO: support animations.
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*/
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- (void)beginUpdates;
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- (void)endUpdates;
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/**
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* Section updating.
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*
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* All operations are asynchronous and thread safe. You can call it from background thread (it is recommendated) and the UI collection
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* view will be updated asynchronously. The asyncDataSource must be updated to reflect the changes before these methods are called.
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*/
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- (void)insertSections:(NSIndexSet *)sections withRowAnimation:(UITableViewRowAnimation)animation;
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- (void)deleteSections:(NSIndexSet *)sections withRowAnimation:(UITableViewRowAnimation)animation;
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- (void)reloadSections:(NSIndexSet *)sections withRowAnimation:(UITableViewRowAnimation)animation;
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- (void)moveSection:(NSInteger)section toSection:(NSInteger)newSection;
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/**
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* Row updating.
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*
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* All operations are asynchronous and thread safe. You can call it from background thread (it is recommendated) and the UI collection
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* view will be updated asynchronously. The asyncDataSource must be updated to reflect the changes before these methods are called.
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*/
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- (void)insertRowsAtIndexPaths:(NSArray *)indexPaths withRowAnimation:(UITableViewRowAnimation)animation;
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- (void)deleteRowsAtIndexPaths:(NSArray *)indexPaths withRowAnimation:(UITableViewRowAnimation)animation;
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- (void)reloadRowsAtIndexPaths:(NSArray *)indexPaths withRowAnimation:(UITableViewRowAnimation)animation;
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- (void)moveRowAtIndexPath:(NSIndexPath *)indexPath toIndexPath:(NSIndexPath *)newIndexPath;
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@end
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/**
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* This is a node-based UITableViewDataSource.
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*/
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@protocol ASTableViewDataSource <ASCommonTableViewDataSource, NSObject>
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/**
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* Similar to -tableView:cellForRowAtIndexPath:.
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*
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* @param tableView The sender.
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*
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* @param indexPath The index path of the requested node.
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*
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* @returns a node for display at this indexpath. Must be thread-safe (can be called on the main thread or a background
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* queue) and should not implement reuse (it will be called once per row). Unlike UITableView's version, this method
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* is not called when the row is about to display.
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*/
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- (ASCellNode *)tableView:(ASTableView *)tableView nodeForRowAtIndexPath:(NSIndexPath *)indexPath;
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@end
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/**
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* This is a node-based UITableViewDelegate.
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*
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* Note that -tableView:heightForRowAtIndexPath: has been removed; instead, your custom ASCellNode subclasses are
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* responsible for deciding their preferred onscreen height in -calculateSizeThatFits:.
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*/
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@protocol ASTableViewDelegate <ASCommonTableViewDelegate, NSObject>
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@optional
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- (void)tableView:(UITableView *)tableView willDisplayNodeForRowAtIndexPath:(NSIndexPath *)indexPath;
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- (void)tableView:(UITableView *)tableView didEndDisplayingNodeForRowAtIndexPath:(NSIndexPath*)indexPath;
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@end
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