个播房上下滑动
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chenguilong
204
xplan-ios/Main/Room/View/AnchorCycleView/AnchorRoomScrollView.m
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204
xplan-ios/Main/Room/View/AnchorCycleView/AnchorRoomScrollView.m
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//
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// AnchorRoomScrollView.m
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// xplan-ios
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//
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// Created by GreenLand on 2022/7/11.
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//
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#import "AnchorRoomScrollView.h"
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@interface AnchorRoomScrollView()<UIScrollViewDelegate, UIGestureRecognizerDelegate>
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@property (nonatomic, strong) NSMutableArray * lives;
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//@property (nonatomic, strong) NSString *live;
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@property (nonatomic, strong) UIImageView *downImageView;
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//@property (nonatomic, strong) NSString *upperLive, *middleLive, *downLive;
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@property (nonatomic, strong) NSString *upperLive, *middleLive, *downLive;
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@property (nonatomic, assign) NSInteger currentIndex;
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@end
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@implementation AnchorRoomScrollView
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- (NSMutableArray *)lives
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{
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if (!_lives) {
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_lives = [NSMutableArray array];
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}
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return _lives;
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}
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- (instancetype)initWithFrame:(CGRect)frame
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{
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self = [super initWithFrame:frame];
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if(self)
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{
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self.contentSize = CGSizeMake(0, frame.size.height * 3);
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self.contentOffset = CGPointMake(0, frame.size.height);
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self.pagingEnabled = YES;
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self.opaque = YES;
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self.backgroundColor = [UIColor yellowColor];
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self.showsHorizontalScrollIndicator = NO;
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self.showsVerticalScrollIndicator = NO;
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self.delegate = self;
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self.contentInsetAdjustmentBehavior = UIScrollViewContentInsetAdjustmentNever;
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self.tag = 1000;
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// self.delaysContentTouches = NO;
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// self.canCancelContentTouches = NO;
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// image views
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// blur effect
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// UIBlurEffect *blurEffect = [UIBlurEffect effectWithStyle:UIBlurEffectStyleDark];
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// blur view
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// UIVisualEffectView *visualEffectViewUpper = [[UIVisualEffectView alloc] initWithEffect:blurEffect];
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// UIVisualEffectView *visualEffectViewMiddle = [[UIVisualEffectView alloc] initWithEffect:blurEffect];
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// UIVisualEffectView *visualEffectViewDown = [[UIVisualEffectView alloc] initWithEffect:blurEffect];
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self.upperImageView = [[UIImageView alloc] initWithFrame:CGRectMake(0, 0, frame.size.width, frame.size.height)];
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self.middleImageView = [[UIImageView alloc] initWithFrame:CGRectMake(0, frame.size.height, frame.size.width, frame.size.height)];
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self.downImageView = [[UIImageView alloc] initWithFrame:CGRectMake(0, frame.size.height*2, frame.size.width, frame.size.height)];
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// add image views
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[self addSubview:self.upperImageView];
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[self addSubview:self.middleImageView];
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[self addSubview:self.downImageView];
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// visualEffectViewUpper.frame = self.upperImageView.frame;
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// [self addSubview:visualEffectViewUpper];
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// visualEffectViewMiddle.frame = self.middleImageView.frame;
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// [self addSubview:visualEffectViewMiddle];
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// visualEffectViewDown.frame = self.downImageView.frame;
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// [self addSubview:visualEffectViewDown];
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}
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return self;
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}
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- (void)updateForLives:(NSMutableArray *)livesArray withCurrentIndex:(NSInteger)index
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{
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if (livesArray.count && [livesArray firstObject]) {
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[self.lives removeAllObjects];
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[self.lives addObjectsFromArray:livesArray];
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self.currentIndex = index;
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_upperLive = [[NSString alloc] init];
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_middleLive = (NSString *)_lives[_currentIndex];
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_downLive = [[NSString alloc] init];
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if (_currentIndex == 0) {
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_upperLive = (NSString *)[_lives lastObject];
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} else {
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_upperLive = (NSString *)_lives[_currentIndex - 1];
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}
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if (_currentIndex == _lives.count - 1) {
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_downLive = (NSString *)[_lives firstObject];
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} else {
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_downLive = (NSString *)_lives[_currentIndex + 1];
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}
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[self prepareForImageView:self.upperImageView withLive:_upperLive];
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[self prepareForImageView:self.middleImageView withLive:_middleLive];
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[self prepareForImageView:self.downImageView withLive:_downLive];
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}
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self.scrollEnabled = livesArray.count > 1;
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}
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- (void) prepareForImageView: (UIImageView *)imageView withLive:(NSString *)live
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{
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// download images for ImageView.
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imageView.image = [UIImage imageNamed:@"room_background"];
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imageView.contentMode = UIViewContentModeScaleAspectFill;
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}
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- (void)switchPlayer:(UIScrollView*)scrollView
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{
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CGFloat offset = scrollView.contentOffset.y;
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if (self.lives.count) {
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if (offset >= 2*self.frame.size.height)
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{
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// slides to the down player
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scrollView.contentOffset = CGPointMake(0, self.frame.size.height);
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_currentIndex++;
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self.upperImageView.image = self.middleImageView.image;
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self.middleImageView.image = self.downImageView.image;
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if (_currentIndex == self.lives.count - 1)
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{
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_downLive = [self.lives firstObject];
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} else if (_currentIndex == self.lives.count)
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{
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_downLive = self.lives[1];
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_currentIndex = 0;
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} else
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{
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_downLive = self.lives[_currentIndex+1];
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}
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[self prepareForImageView:self.downImageView withLive:_downLive];
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if ([self.anchorScrollDelegate respondsToSelector:@selector(anchorScrollView:currentPlayerIndex:)]) {
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[self.anchorScrollDelegate anchorScrollView:self currentPlayerIndex:_currentIndex];
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}
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}
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else if (offset <= 0)
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{
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// slides to the upper player
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scrollView.contentOffset = CGPointMake(0, self.frame.size.height);
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_currentIndex--;
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self.downImageView.image = self.middleImageView.image;
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self.middleImageView.image = self.upperImageView.image;
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if (_currentIndex == 0)
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{
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_upperLive = [self.lives lastObject];
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} else if (_currentIndex == -1)
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{
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_upperLive = self.lives[self.lives.count - 2];
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_currentIndex = self.lives.count-1;
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} else
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{
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_upperLive = self.lives[_currentIndex - 1];
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}
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[self prepareForImageView:self.upperImageView withLive:_upperLive];
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if ([self.anchorScrollDelegate respondsToSelector:@selector(anchorScrollView:currentPlayerIndex:)]) {
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[self.anchorScrollDelegate anchorScrollView:self currentPlayerIndex:_currentIndex];
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}
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}
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}
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}
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-(void)scrollViewDidScroll:(UIScrollView *)scrollView {
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NSLog(@"%@", [scrollView class]);
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[self switchPlayer:scrollView];
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}
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- (void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event {
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}
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//- (UIView *)hitTest:(CGPoint)point withEvent:(UIEvent *)event {
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// UIView *view = [super hitTest:point withEvent:event];
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// return view == self?nil:view;
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//}
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- (BOOL)gestureRecognizer:(UIGestureRecognizer *)gestureRecognizer shouldRecognizeSimultaneouslyWithGestureRecognizer:(UIGestureRecognizer *)otherGestureRecognizer {
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///1000是外部的scrollView 1001是人气主播中的collectionView
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if (otherGestureRecognizer.view.tag == 999) {
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// self.scrollEnabled = NO;
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// if (self.contentOffset.y != 0) {
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// self.contentOffset = CGPointMake(0, 0);;
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// }
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return NO;
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} else {
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// self.scrollEnabled = YES;
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}
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return YES;
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if (gestureRecognizer.state == 0) {
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return YES;
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} else {
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return NO;
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}
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}
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// called when a gesture recognizer attempts to transition out of UIGestureRecognizerStatePossible. returning NO causes it to transition to UIGestureRecognizerStateFailed
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//- (BOOL)gestureRecognizerShouldBegin:(UIGestureRecognizer *)gestureRecognizer {
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// return YES;
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//}
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@end
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