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//
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// QWAlertView.m
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// AlertTest
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//
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// Created by jonh on 2017/10/26.
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// Copyright © 2017年 jonh. All rights reserved.
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//
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#import "QWAlertView.h"
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///屏幕宽度
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#define SCREEN_W [UIScreen mainScreen].bounds.size.width
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///屏幕高度
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#define SCREEN_H [UIScreen mainScreen].bounds.size.height
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#define KEYWINDOW [[UIApplication sharedApplication] keyWindow]
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#define ANIMATION_TIME 0.5
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@interface QWAlertView ()
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///遮罩层
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@property (nonatomic, strong) CALayer *maskLayer;
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//响应事件的控件
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@property (nonatomic, strong) UIControl *control;
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//保存弹出视图
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@property (nonatomic, strong) UIView *contentView;
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///弹出模式
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@property (nonatomic, assign) QWAlertViewStyle alertStyle;
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///动画前的位置
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@property (nonatomic, assign) CGAffineTransform starTransForm;
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///关闭按钮
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@property (nonatomic, strong) UIButton *closeBtn;
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@end
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@implementation QWAlertView
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+ (QWAlertView *)sharedMask{
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static QWAlertView *alertView;
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static dispatch_once_t onceToken;
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dispatch_once(&onceToken, ^{
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if (!alertView) {
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alertView = [[QWAlertView alloc] init];
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}
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});
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return alertView;
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}
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- (UIControl *)control{
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if(!_control){
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_control = [[UIControl alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
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[_control addTarget:self action:@selector(dismiss) forControlEvents:UIControlEventTouchUpInside];
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_control.enabled = NO;
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}
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return _control;
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}
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- (UIButton *)closeBtn{
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if(!_closeBtn){
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//添加按钮关闭
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_closeBtn = [[UIButton alloc] init];
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// _closeBtn.backgroundColor = [UIColor whiteColor];
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// _closeBtn.layer.cornerRadius = 15.0;
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[_closeBtn setImage:[UIImage imageNamed:@"close"] forState:UIControlStateNormal];
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[_closeBtn addTarget:self action:@selector(dismiss) forControlEvents:UIControlEventTouchUpInside];
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_closeBtn.frame = CGRectMake(_contentView.frame.size.width - 30, 0, 30, 30);
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[_contentView addSubview:_closeBtn];
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}
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return _closeBtn;
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}
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- (void)show:(UIView *)contentView withType:(QWAlertViewStyle)style{
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//判断是否赋于大小
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CGFloat contentViewHeight = contentView.frame.size.height;
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CGFloat contentViewWidth = contentView.frame.size.width;
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if(contentViewHeight == 0.00||contentViewWidth == 0.00){
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NSLog(@"弹出视图 必须 赋予宽高");
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return;
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}
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_contentView = contentView;
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_contentView.center = KEYWINDOW.center;
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_alertStyle = style;
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_on = YES;
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if (!_maskLayer) {
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[self addMaskLayer];
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// 根据弹出模式 添加动画
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switch (_alertStyle) {
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case QWAlertViewStyleAlert:
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_starTransForm = CGAffineTransformMakeScale(0.01, 0.01);
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break;
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case QWAlertViewStyleActiAlertLeft:
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_starTransForm = CGAffineTransformMakeTranslation(-SCREEN_W, 0);
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break;
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case QWAlertViewStyleActiAlertRight:
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_starTransForm = CGAffineTransformMakeTranslation(SCREEN_W, 0);
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break;
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case QWAlertViewStyleActionSheetTop:
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_starTransForm = CGAffineTransformMakeTranslation(0, -_contentView.frame.size.height);
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break;
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case QWAlertViewStyleActionSheetDown:
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_starTransForm = CGAffineTransformMakeTranslation(0, SCREEN_H);
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break;
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default:
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break;
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}
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[self alertAnimatedPrensent];
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}else {
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//
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_maskLayer = nil;
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}
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}
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// 自定义的alert或actionSheet内容view必须初始化大小
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- (void)show:(UIView *)contentView withType:(QWAlertViewStyle)style animationFinish:(showBlock)show dismissHandle:(dismissBlock)dismiss {
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//保存 回调
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if (show) {
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_showBlock = [show copy];
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}
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if(dismiss){
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_dismissBlock = [dismiss copy];
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}
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[self show:contentView withType:style];
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}
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///添加遮罩
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- (void)addMaskLayer{
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_maskLayer = [CALayer layer];
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[_maskLayer setFrame:[[UIScreen mainScreen] bounds]];
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[_maskLayer setBackgroundColor:[UIColor colorWithRed:0 green:0 blue:0 alpha:0.30].CGColor];
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[[KEYWINDOW layer] addSublayer:_maskLayer];
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//判断关闭方式
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[self setCloseStyle:_closeStyle];
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[KEYWINDOW addSubview:_control];
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}
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//关闭 自带事件 由用户自己写事件关闭弹窗
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- (void)setOn:(BOOL)on{
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_on = on;
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_control.enabled = _on;
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_closeBtn.hidden = !_on;
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}
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- (void)setCloseImage:(UIImage *)closeImage{
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[_closeBtn setImage:closeImage forState:UIControlStateNormal];
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}
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- (void)setCloseStyle:(CloseStyle)closeStyle{
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_closeStyle = closeStyle;
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//判断关闭方式
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if (_closeStyle == CloseStyleTapClose)
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{
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self.control.enabled = YES;
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self.closeBtn.hidden = YES;
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}else{
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self.control.enabled = NO;
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self.closeBtn.hidden = NO;
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}
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}
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- (void)dismiss{
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//设置初始值
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// 移除遮罩
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if (_maskLayer) {
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[_maskLayer removeFromSuperlayer];
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[_control removeFromSuperview];
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[_closeBtn removeFromSuperview];
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_maskLayer = nil;
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_control = nil;
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_closeBtn = nil;
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}
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//移除弹出框
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[self alertAnimatedOut];
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//回调动画完成回调
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if (_dismissBlock) {
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_dismissBlock();
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}
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}
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- (void)alertAnimatedPrensent{
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_contentView.transform = _starTransForm;
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[KEYWINDOW addSubview:_contentView];
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[UIView animateWithDuration:ANIMATION_TIME delay:0.0 usingSpringWithDamping:0.7 initialSpringVelocity:0 options:UIViewAnimationOptionCurveEaseIn animations:^{
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_contentView.transform = CGAffineTransformIdentity;
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KEYWINDOW.userInteractionEnabled = NO;
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} completion:^(BOOL finished) {
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KEYWINDOW.userInteractionEnabled = YES;
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if (_showBlock) {
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//动画完成后回调
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_showBlock();
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}
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}];
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}
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- (void)addCoreAnimation{
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CATransition *animation = [CATransition animation];
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animation.type = @"rippleEffect";
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animation.duration = ANIMATION_TIME;
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[_contentView.layer addAnimation:animation forKey:@""];
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}
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- (void)alertAnimatedOut{
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[UIView animateWithDuration:ANIMATION_TIME animations:^{
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_contentView.transform = _starTransForm;
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KEYWINDOW.userInteractionEnabled = NO;
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} completion:^(BOOL finished) {
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KEYWINDOW.userInteractionEnabled = YES;
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[_contentView removeFromSuperview];
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_contentView = nil;
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}];
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}
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@end
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