iOS自定义控件：弹窗控件封装

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弹窗控件封装，仿照微信的样式进行基础开发，并进行其他样式扩展。

#import 

NS_ASSUME_NONNULL_BEGIN

typedef NS_ENUM(NSUInteger, WDPopAnimationType) {
    WDPopAnimationTypeDefault,
    WDPopAnimationTypeFromLeft,
    WDPopAnimationTypeFromRight,
    WDPopAnimationTypeFromTop,
    WDPopAnimationTypeFromBottom
};

UIKIT_EXTERN const NSTimeInterval WDPopAnmationDurition;

@interface WDPopBaseView : UIControl
+ (instancetype)defaultView;

- (void)showView;
- (void)showViewInSuperView:( UIView * _Nullable)superView;

- (void)showViewWithAnimationType:(WDPopAnimationType)animationType;
- (void)showViewWithAnimationType:(WDPopAnimationType)animationType inSuperView:( UIView * _Nullable)superView;

- (void)hidenView;
@end

NS_ASSUME_NONNULL_END

#import "WDPopBaseView.h"

const NSTimeInterval WDPopAnmationDurition = 0.35;

static inline UIView *wKeyWindow() {
    if (UIApplication.sharedApplication.delegate.window != nil) {
        return UIApplication.sharedApplication.delegate.window;
    } else {
         return UIApplication.sharedApplication.keyWindow;
    }
}

@interface WDPopBaseView ()
@property (nonatomic, assign) WDPopAnimationType animationType;
@property (nonatomic, assign) CGRect originRect;
@property (nonatomic, assign) CGRect animationRect;
@end

@implementation WDPopBaseView

+ (instancetype)defaultView {
    static dispatch_once_t onceToken;
    static WDPopBaseView *view = nil;
    dispatch_once(&onceToken, ^{
        view = [[self alloc] init];
    });
    return view;
}

- (instancetype)init {
    self = [super init];
    if (self) {
        [self addTarget:self action:@selector(hidenView) forControlEvents:UIControlEventTouchUpInside];
    }
    return self;
}

- (void)showView {
    [self showViewInSuperView:wKeyWindow()];
    self.animationType = WDPopAnimationTypeDefault;
}

- (void)showViewInSuperView:(UIView *)superView {
    self.animationType = WDPopAnimationTypeDefault;
    if (superView != nil) {
        [self showViewWithAnimationType:WDPopAnimationTypeDefault inSuperView:superView];
    } else {
        [self showViewWithAnimationType:WDPopAnimationTypeDefault inSuperView:wKeyWindow()];
    }
}

- (void)showViewWithAnimationType:(WDPopAnimationType)animationType {
    self.animationType = animationType;
    [self showViewWithAnimationType:animationType inSuperView:wKeyWindow()];
}

- (void)showViewWithAnimationType:(WDPopAnimationType)animationType inSuperView:(UIView *)superView {
    if (superView != nil) {
        [superView addSubview:self];
    } else {
        [wKeyWindow() addSubview:self];
    }
    
    self.backgroundColor = [UIColor colorWithWhite:0 alpha:0.0];
    
    UIView *view = self.subviews.firstObject;
    CGRect origin = view.frame;
    self.originRect = view.frame;
    
    CGRect screen_bounds = [[UIScreen mainScreen] bounds];
    CGFloat screen_width = screen_bounds.size.width;
    CGFloat screen_height = screen_bounds.size.height;
    
    CGFloat view_width = CGRectGetWidth(view.frame);
    CGFloat view_height = CGRectGetHeight(view.frame);
    CGFloat view_x = CGRectGetMinX(view.frame);
    CGFloat view_y = CGRectGetMinY(view.frame);

    self.frame = screen_bounds;
    
    if (animationType == WDPopAnimationTypeDefault) {
        view.transform = CGAffineTransformMakeScale(0, 0);
        [UIView animateWithDuration:WDPopAnmationDurition animations:^{
            self.backgroundColor = [UIColor colorWithWhite:0 alpha:0.3];
            view.transform = CGAffineTransformIdentity;
        }];
    } else {
        switch (animationType) {
           case WDPopAnimationTypeFromTop:
           {
               view.frame = CGRectMake(view_x, view_y - screen_height, view_width, view_height);
           }
               break;
           case WDPopAnimationTypeFromBottom:
           {
               view.frame = CGRectMake(view_x, view_y + screen_height, view_width, view_height);
           }
               break;
           case WDPopAnimationTypeFromLeft:
           {
               view.frame = CGRectMake(-screen_width, view_y, view_width, view_height);
           }
               break;
           case WDPopAnimationTypeFromRight:
           {
               view.frame = CGRectMake(screen_width, view_y, view_width, view_height);
           }
               break;
           default:
               break;
        }
        [self handerViewFrame:view originFrame:origin];
    }
}

- (void)handerViewFrame:(UIView *)view originFrame:(CGRect)originFrame {
    self.animationRect = view.frame;
    [UIView animateWithDuration:WDPopAnmationDurition animations:^{
        view.frame = originFrame;
        self.backgroundColor = [UIColor colorWithWhite:0 alpha:0.3];
    }];
}

- (void)hidenView {
    UIView *view = self.subviews.firstObject;
    [UIView animateWithDuration:WDPopAnmationDurition delay:0 options:(UIViewAnimationOptionCurveEaseInOut) animations:^{
        if (self.animationType != WDPopAnimationTypeDefault) {
            view.frame = self.animationRect;
        } else {
            view.transform = CGAffineTransformMakeScale(0.2, 0.2);
        }
        self.backgroundColor = [UIColor colorWithWhite:0 alpha:0.0];
    } completion:^(BOOL finished) {
        [self removeFromSuperview];
        view.transform = CGAffineTransformIdentity;
        view.frame = self.originRect;
    }];
}
@end

#import "WDPopBaseView.h"

NS_ASSUME_NONNULL_BEGIN

typedef void(^TestViewBlock)(NSString *obj);

@interface TestView : WDPopBaseView
@property (nonatomic, strong) UIView *view;
@property (nonatomic, strong) UILabel *titleLabel;
@property (nonatomic, strong) UITextField *textField;
@property (nonatomic, strong) UIButton *button;
@property (nonatomic, copy) TestViewBlock testViewBlock;
- (void)showView:(TestViewBlock)finished;

@end

NS_ASSUME_NONNULL_END

#import "TestView.h"

@implementation TestView

- (instancetype)init
{
    self = [super init];
    if (self) {
        _view = [[UIView alloc] init];
        _view.backgroundColor = [UIColor whiteColor];
        _view.layer.cornerRadius = 10;
        _view.frame = CGRectMake(30, (CGRectGetHeight(UIScreen.mainScreen.bounds) - 200) / 2, CGRectGetWidth(UIScreen.mainScreen.bounds) - 60, 200);
        [self addSubview:_view];
            
        _titleLabel = [[UILabel alloc] init];
        _titleLabel.text = @"标题";
        _titleLabel.textAlignment = NSTextAlignmentCenter;
        _titleLabel.font = [UIFont systemFontOfSize:18 weight:UIFontWeightBold];
        _titleLabel.frame = CGRectMake(0, 10, CGRectGetWidth(_view.frame), 30);
        [_view addSubview:_titleLabel];

        _textField = [[UITextField alloc] init];
        _textField.placeholder = @"1111";
        _textField.borderStyle = UITextBorderStyleRoundedRect;
        _textField.frame = CGRectMake(15, 50, CGRectGetWidth(UIScreen.mainScreen.bounds) - 90, 40);
        [_view addSubview:_textField];
        
        _button = [[UIButton alloc] init];
        _button.backgroundColor = [UIColor redColor];
        _button.layer.cornerRadius = 10;
        [_button setTitle:@"Sure" forState:UIControlStateNormal];
        [_button setTitleColor:[UIColor whiteColor] forState:UIControlStateNormal];
        _button.titleLabel.font = [UIFont systemFontOfSize:15];
        _button.frame = CGRectMake(15, CGRectGetMaxY(_textField.frame) + 10, CGRectGetWidth(UIScreen.mainScreen.bounds) - 90, 40);
        [_button addTarget:self action:@selector(buttonTargetAction:) forControlEvents:UIControlEventTouchUpInside];
        [_view addSubview:_button];
    }
    return self;
}

- (void)buttonTargetAction:(id)sender {
    [self hidenView];
}

- (void)showView:(TestViewBlock)finished {
    [self showView];
    [self.textField becomeFirstResponder];
    self.testViewBlock = finished;
}

- (void)hidenView {
    [super hidenView];
    if (self.testViewBlock) {
        [self.textField resignFirstResponder];
        self.testViewBlock(_textField.text);
        _textField.text = @"";
    }
}

@end

#import "ViewController.h"
#import "TestView.h"

@interface ViewController ()

@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];
}

- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event {
    
    [[TestView defaultView] showView:^(NSString * _Nonnull obj) {
        NSLog(@"%@", obj);
    }];
}

@end