711/BuguLive/Class/Sections/IMChat/ViewController/ChatVoiceWithVideoChat/TMSmallRoomView.m

//
//  TMSmallRoomView.m
//  TamuVoice
//
//  Created by tamu on 2021/9/20.
//

#import "TMSmallRoomView.h"

@implementation TMSmallRoomView
static dispatch_once_t onceToken;
static TMSmallRoomView *_roomView;
+ (instancetype)sharedInstance{
    dispatch_once(&onceToken, ^{
        _roomView = [[TMSmallRoomView alloc] initWithFrame:CGRectMake(SCREEN_WIDTH-70-15, NavigationHeight + 60, 70, 92)];
        _roomView.hidden = YES;
        UIWindow *currentWindow =  [UIApplication sharedApplication].keyWindow;
        NSEnumerator *frontToBackWindows = [UIApplication.sharedApplication.windows reverseObjectEnumerator];
        for (UIWindow *window in frontToBackWindows) {
            BOOL windowOnMainScreen = window.screen == UIScreen.mainScreen;
            BOOL windowIsVisible = !window.hidden && window.alpha > 0;
            BOOL windowLevelNormal = window.windowLevel == UIWindowLevelNormal;
            if(windowOnMainScreen && windowIsVisible && windowLevelNormal) {
                currentWindow = window;
                break;
            }
        }
        [currentWindow addSubview:_roomView];
        
        _roomView.layer.cornerRadius = 10;
        _roomView.layer.masksToBounds = YES;

  
    });
    return _roomView;
}

#pragma mark -
#pragma mark --- init frame
-(instancetype)initWithFrame:(CGRect)frame
{
    self = [super initWithFrame:frame];
    if (self) {
        /** 初始化*/
        [self initContentView];
        
        /** RAC*/
        [self initRAC];
    }
    return self ;
}

#pragma mark -
#pragma mark --- 视图初始化
- (void)initContentView {
    
    UIImageView * iconImageView = [[UIImageView alloc] init];
    iconImageView.image = [UIImage imageNamed:@"audioChatSmallphoneicon"];
    [self addSubview:iconImageView];
    [iconImageView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.centerX.mas_equalTo(self);
        make.width.height.mas_equalTo(40);
        make.top.mas_equalTo(15);
    }];
    
    self.backgroundColor = [UIColor whiteColor];
    [self addSubview:self.timeLabel];
    [self.timeLabel mas_makeConstraints:^(MASConstraintMaker *make) {
        make.centerX.mas_equalTo(self);
        make.bottom.mas_equalTo(-15);
    }];
}

#pragma mark --- 初始化RAC
- (void)initRAC {
    @weakify(self)

    UITapGestureRecognizer * tap = [[UITapGestureRecognizer alloc] init];
    [tap addActionBlock:^(id  _Nonnull sender) {
        @strongify(self)
        if (self.enterClickBlock) {
            self.enterClickBlock();
        }

        [self dismiss];
    }];
    [self addGestureRecognizer:tap];
    
    //添加手势
    UIPanGestureRecognizer * panRcognize = [[UIPanGestureRecognizer alloc] initWithTarget:self action:@selector(handlePanGesture:)];
    [panRcognize setMinimumNumberOfTouches:1];
    [panRcognize setEnabled:YES];
    [panRcognize delaysTouchesEnded];
    [panRcognize cancelsTouchesInView];
    [self addGestureRecognizer:panRcognize];
    
}

//- (void)updateUIWithData:(TMRoomModel *)model{
//    
//    if (![model isKindOfClass:[TMRoomModel class]]) {
//        return;
//    }
//    
//    [self.headImageView sd_setImageWithURL:[NSURL URLWithString:model.homeHead] placeholderImage:kPlaceholderHeadImage()];
//    self.titleLabel.text = model.homeName;
//    self.idLabel.text = [NSString stringWithFormat:@"ID:%ld",(long)model.homeNumber];
//    
//}

- (void)dismiss{
    dispatch_async(dispatch_get_main_queue(), ^{
        self.hidden = YES;
        onceToken = 0;
        _roomView = nil;
        
        AppDelegate.sharedAppDelegate.hasSmallAudioVideoView = NO;
    });
}

- (void)show{
    dispatch_async(dispatch_get_main_queue(), ^{
        self.hidden = NO;
    });
}

- (void)handlePanGesture:(UIPanGestureRecognizer *)recognizer {
    //移动状态
    UIGestureRecognizerState recState =  recognizer.state;
    
    switch (recState) {
        case UIGestureRecognizerStateBegan:
            
            break;
        case UIGestureRecognizerStateChanged:
        {
            CGPoint translation = [recognizer translationInView:self.window];
            recognizer.view.center = CGPointMake(recognizer.view.center.x + translation.x, recognizer.view.center.y + translation.y);
        }
            break;
        case UIGestureRecognizerStateEnded:
        {
            CGPoint stopPoint = CGPointMake(recognizer.view.center.x, recognizer.view.center.y);
            // 如果按钮超出屏幕边缘
            if (stopPoint.y + self.height + 40 >= SCREEN_HEIGHT) {
                stopPoint = CGPointMake(stopPoint.x, SCREEN_HEIGHT - self.height/2.0-TabBarHeight - 20);
                 //这里注意iphoneX的适配。。X的SCREEN高度算法有变化。
            }
            if (stopPoint.x - self.width/2.0 <= 0) {
                stopPoint = CGPointMake(self.width/2.0, stopPoint.y);
            }
            if (stopPoint.x + self.width/2.0 >= SCREEN_WIDTH) {
                stopPoint = CGPointMake(SCREEN_WIDTH - self.width/2.0, stopPoint.y);
            }
            if (stopPoint.y - self.height/2.0 <= 40) {
                stopPoint = CGPointMake(stopPoint.x, self.height/2.0 + 50);
            }
            
            [UIView animateWithDuration:0.3 animations:^{
                recognizer.view.center = stopPoint;
            }];
            
        }
            break;
        default:
            break;
    }
    [recognizer setTranslation:CGPointMake(0, 0) inView:self.window];
}

- (UILabel *)timeLabel {
    if (!_timeLabel) {
        _timeLabel = [[UILabel alloc] init];
        _timeLabel.textColor = [UIColor colorWithHex:0x4AC7FA];
        _timeLabel.font = [UIFont systemFontOfSize:16];
    }return _timeLabel;
}

@end