102 lines
3.2 KiB
Objective-C
102 lines
3.2 KiB
Objective-C
//
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// GKVideoScrollView.h
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// GKVideoScrollView
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//
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// Created by QuintGao on 2023/2/21.
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// Copyright © 2023 QuintGao. All rights reserved.
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//
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#import <UIKit/UIKit.h>
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#import "GKVideoViewCell.h"
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NS_ASSUME_NONNULL_BEGIN
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@class GKVideoScrollView;
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@protocol GKVideoScrollViewDataSource <NSObject>
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// 内容总数
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- (NSInteger)numberOfRowsInScrollView:(GKVideoScrollView *)scrollView;
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// 设置cell
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- (GKVideoViewCell *)scrollView:(GKVideoScrollView *)scrollView cellForRowAtIndexPath:(NSIndexPath *)indexPath;
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@end
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@protocol GKVideoScrollViewDelegate <NSObject, UIScrollViewDelegate>
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@optional
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// cell即将显示时调用，可用于请求播放信息
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// 注意：1、此时的cell并不一定等于最终显示的cell，慎用 2、在快速滑动时，此方法可能不会回调所有的index
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- (void)scrollView:(GKVideoScrollView *)scrollView willDisplayCell:(GKVideoViewCell *)cell forRowAtIndexPath:(NSIndexPath *)indexPath;
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// cell结束显示时调用，可用于结束播放
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- (void)scrollView:(GKVideoScrollView *)scrollView didEndDisplayingCell:(GKVideoViewCell *)cell forRowAtIndexPath:(NSIndexPath *)indexPath;
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// 结束滑动时显示的cell，可在这里开始播放
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- (void)scrollView:(GKVideoScrollView *)scrollView didEndScrollingCell:(GKVideoViewCell *)cell forRowAtIndexPath:(NSIndexPath *)indexPath;
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// 移除cell回调，须在此回调中删除对应index的数据
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- (void)scrollView:(GKVideoScrollView *)scrollView didRemoveCell:(GKVideoViewCell *)cell forRowAtIndexPath:(NSIndexPath *)indexPath;
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@end
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@interface GKVideoScrollView : UIScrollView
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// 数据源
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@property (nonatomic, weak, nullable) id<GKVideoScrollViewDataSource> dataSource;
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// 代理
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@property (nonatomic, weak, nullable) id<GKVideoScrollViewDelegate> delegate;
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// 默认索引
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@property (nonatomic, assign) NSInteger defaultIndex;
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// 当前索引
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@property (nonatomic, assign, readonly) NSInteger currentIndex;
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// 当前显示的cell
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@property (nonatomic, weak, readonly) GKVideoViewCell *currentCell;
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// 可视cells
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@property (nonatomic, readonly) NSArray <__kindof UIView *> *visibleCells;
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// 获取行数
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- (NSInteger)numberOfRows;
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// 获取cell对应的indexPath
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- (nullable NSIndexPath *)indexPathForCell:(GKVideoViewCell *)cell;
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// 获取indexPath对应的cell
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- (nullable __kindof GKVideoViewCell *)cellForRowAtIndexPath:(NSIndexPath *)indexPath;
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// 注册cell
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- (void)registerNib:(nullable UINib *)nib forCellReuseIdentifier:(nonnull NSString *)identifier;
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- (void)registerClass:(nullable Class)cellClass forCellReuseIdentifier:(nonnull NSString *)identifier;
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// 获取可复用的cell
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- (__kindof GKVideoViewCell *)dequeueReusableCellWithIdentifier:(NSString *)identifier forIndexPath:(nonnull NSIndexPath *)indexPath;
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// 刷新数据
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- (void)reloadData;
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// 根据指定index刷新数据，刷新后将显示对应index的页面
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- (void)reloadDataWithIndex:(NSInteger)index;
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// 切换到指定索引页面，无动画
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- (void)scrollToPageWithIndex:(NSInteger)index;
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// 切换到上个页面，有动画
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- (void)scrollToLastPage;
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// 切换到下个页面，有动画
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- (void)scrollToNextPage;
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// 移除当前页面，切换到下一个页面，如果当前是最后一个，则切换到上一个页面
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- (void)removeCurrentPageAnimated:(BOOL)animated;
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@end
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NS_ASSUME_NONNULL_END
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