fanyin-ios/QXLive/Tabbar/TabbarCustomView/DrayView.m

//
//  DrayView.m
//  SoundRiver
//
//  Created by apple on 2020/1/18.
//

#import "DrayView.h"

@interface DrayView ()
@property (nonatomic, strong) UIImageView   *bgImgView;
@property (nonatomic, strong) UIButton      *tapBtn;
@property (nonatomic, strong) UIButton      *closeBtn;
@property (nonatomic, strong) UIView        *lineView;

@end


@implementation DrayView

- (instancetype)initWithFrame:(CGRect)frame {
    self = [super initWithFrame:frame];
    if (self) {
        //添加拖拽手势-改变控件的位置
        UIPanGestureRecognizer *pan = [[UIPanGestureRecognizer alloc] initWithTarget:self action:@selector(changePostion:)];
        [self addGestureRecognizer:pan];
        [self setHidden:YES];
        
        [self addSubview:self.bgImgView];
        [self addSubview:self.animationView];
        [self addSubview:self.tapBtn];
        [self addSubview:self.closeBtn];
        [self addSubview:self.lineView];
        
        [self.bgImgView mas_makeConstraints:^(MASConstraintMaker *make) {
            make.edges.equalTo(self);
        }];
        [self.animationView mas_makeConstraints:^(MASConstraintMaker *make) {
            make.left.mas_equalTo(2);
            make.centerY.equalTo(self);
            make.width.height.mas_equalTo(46);
        }];
        [self.tapBtn mas_makeConstraints:^(MASConstraintMaker *make) {
            make.edges.equalTo(self.animationView);
        }];
        [self.closeBtn mas_makeConstraints:^(MASConstraintMaker *make) {
            make.left.mas_equalTo(70);
            make.centerY.equalTo(self);
            make.width.height.mas_equalTo(25);
        }];
        [self.lineView mas_makeConstraints:^(MASConstraintMaker *make) {
            make.top.bottom.equalTo(self).inset(15);
            make.left.mas_equalTo(60);
            make.width.mas_offset(1);
        }];
    }
    return self;
}

#pragma mark - Btn Click
- (void)onTapBtnClick:(UIButton *)btn {
    if (self.onGotoRoomBtnCallBack) {
        self.onGotoRoomBtnCallBack();
    }
}
- (void)onLeaveRoomBtnClick:(UIButton *)btn {
    if (self.onLeaveRoomBtnCallBack) {
        self.onLeaveRoomBtnCallBack();
    }
}

#pragma mark - Getter
- (UIImageView *)bgImgView {
    if (!_bgImgView) {
        _bgImgView = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"tabbar_live_room_play_bg_tip"]];
    }
    return _bgImgView;
}
- (FLImageView *)animationView {
    if (!_animationView) {
        _animationView = [[FLImageView alloc] init];
        _animationView.contentMode = UIViewContentModeScaleAspectFill;
        _animationView.layer.masksToBounds = YES;
        _animationView.layer.cornerRadius = 23;
    }
    return _animationView;
}
- (UIButton *)tapBtn {
    if (!_tapBtn) {
        _tapBtn = [[UIButton alloc] init];
//        _tapBtn.needEventInterval = 0.5;
//        [_tapBtn hx_setEnlargeEdgeWithTop:5 right:5 bottom:5 left:5];
        [_tapBtn addTarget:self action:@selector(onTapBtnClick:) forControlEvents:UIControlEventTouchUpInside];
    }
    return _tapBtn;
}
- (UIButton *)closeBtn {
    if (!_closeBtn) {
        _closeBtn = [[UIButton alloc] init];
        [_closeBtn setImage:[UIImage imageNamed:@"tabbar_live_close_btn"] forState:UIControlStateNormal];
//        _closeBtn.needEventInterval = 0.5;
//        [_closeBtn hx_setEnlargeEdgeWithTop:5 right:5 bottom:5 left:5];
        [_closeBtn addTarget:self action:@selector(onLeaveRoomBtnClick:) forControlEvents:UIControlEventTouchUpInside];
    }
    return _closeBtn;
}

- (UIView *)lineView {
    if (!_lineView) {
        _lineView = [[UIView alloc] init];
        _lineView.backgroundColor = UIColor.whiteColor;
    }
    return _lineView;
}

#pragma mark - Other
// 靠右边
- (void)keepRightViewStatus {
    self.bgImgView.transform = CGAffineTransformIdentity;
    
    [self.animationView mas_remakeConstraints:^(MASConstraintMaker *make) {
        make.left.mas_equalTo(2);
        make.centerY.equalTo(self);
        make.width.height.mas_equalTo(46);
    }];
    [self.closeBtn mas_updateConstraints:^(MASConstraintMaker *make) {
        make.left.mas_equalTo(70);
    }];
    [self.lineView mas_updateConstraints:^(MASConstraintMaker *make) {
        make.left.mas_equalTo(60);
    }];
}
// 靠左边
- (void)keepLeftViewStatus {
    self.bgImgView.transform = CGAffineTransformMakeRotation(M_PI);
    
    [self.animationView mas_remakeConstraints:^(MASConstraintMaker *make) {
        make.right.mas_equalTo(-2);
        make.centerY.equalTo(self);
        make.width.height.mas_equalTo(46);
    }];
    [self.closeBtn mas_updateConstraints:^(MASConstraintMaker *make) {
        make.left.mas_equalTo(5);
    }];
    [self.lineView mas_updateConstraints:^(MASConstraintMaker *make) {
        make.left.mas_equalTo(35);
    }];
}

#pragma mark - UIPanGestureRecognizer
- (void)changePostion:(UIPanGestureRecognizer *)pan{
    CGPoint point = [pan translationInView:self];
    CGRect originalFrame = self.frame;
    originalFrame = [self changeXWithFrame:originalFrame point:point];
    originalFrame = [self changeYWithFrame:originalFrame point:point];
    self.frame = originalFrame;
    [pan setTranslation:CGPointZero inView:self];
    
    UIButton *button = (UIButton *)pan.view;
    if (pan.state == UIGestureRecognizerStateBegan) {
        button.enabled = NO;
    }else if (pan.state == UIGestureRecognizerStateChanged){
    } else {
        CGRect frame = self.frame;
        if (self.center.x <= SCREEN_WIDTH / 2.0){
            frame.origin.x = 0;
            [self keepLeftViewStatus];
        }else {
            frame.origin.x = SCREEN_WIDTH - frame.size.width;
            [self keepRightViewStatus];
        }
        if (frame.origin.y < NavContentHeight) {
            frame.origin.y = NavContentHeight;
        } else if (frame.origin.y + frame.size.height > SCREEN_HEIGHT - NavContentHeight - TabbarHeight) {
            frame.origin.y = SCREEN_WIDTH - NavContentHeight - TabbarHeight - frame.size.height;
        }
        [UIView animateWithDuration:0.3 animations:^{
            self.frame = frame;
        }];
        button.enabled = YES;
    }
}

//拖动改变控件的水平方向x值
- (CGRect)changeXWithFrame:(CGRect)originalFrame point:(CGPoint)point{
    BOOL q1 = originalFrame.origin.x >= 0;
    BOOL q2 = originalFrame.origin.x + originalFrame.size.width <= SCREEN_WIDTH;
    if (q1 && q2) {
        originalFrame.origin.x += point.x;
    }
    return originalFrame;
}

//拖动改变控件的竖直方向y值
- (CGRect)changeYWithFrame:(CGRect)originalFrame point:(CGPoint)point{
    BOOL q1 = originalFrame.origin.y >= 20;
    BOOL q2 = originalFrame.origin.y + originalFrame.size.height <= SCREEN_HEIGHT;
    if (q1 && q2) {
        originalFrame.origin.y += point.y;
    }
    return originalFrame;
}


@end