edu-saas-ios/MusicGradeExam/MusicGradeExam/UI/Classroom/View/TitleView/ClassTitleView.m

//
//  ClassTitleView.m
//  StudentDaya
//
//  Created by Kyle on 2020/6/12.
//  Copyright © 2020 DayaMusic. All rights reserved.
//

#import "ClassTitleView.h"
#import "ClassroomService.h"
#import "Masonry.h"
#import <AVFoundation/AVFoundation.h>
#import "RTCService.h"

#define TSignalImageViewWidth  (24)
#define TTimeLableWidth   (70)
#define TTimeLableHeight  (14)

#define StateButtonWidth (34)
#define TButtonWidth (24)
#define TButtonSpace (20)

#define THiddenDuration (3)

@interface ClassTitleView ()

//@property (nonatomic, strong) UILabel *timeLable;
@property (nonatomic, strong) NSTimer *timeTimer;
@property (nonatomic, strong) NSMutableArray *buttonArray;
@property (nonatomic, strong) NSArray *buttonImageArray;
@property (nonatomic, strong) NSArray *buttonHighlightedImageArray;
@property (nonatomic, strong) NSArray *buttonCloseImageArray;
@property (nonatomic, assign) NSInteger duration;

@property (nonatomic, assign) NSInteger hiddenDuration;

@property (nonatomic, assign) BOOL isCountDown;

@end

@implementation ClassTitleView

- (instancetype)initWithFrame:(CGRect)frame
{
    self = [super initWithFrame:frame];
    if (self) {
        
        self.backgroundColor = [HexRGB(0x141414) colorWithAlphaComponent:0.74];
        [self.buttonArray addObjectsFromArray:@[self.switchLineBtn,self.switchCameraBtn,self.microphoneBtn,self.cameraBtn,self.hangupBtn]];
        [self addSubviews];
        self.isCountDown = NO;
        self.duration = [ClassroomService sharedService].currentRoom.surplusTime;
        [self refreshTitleView];
        [self.timeTimer setFireDate:[NSDate distantPast]];
    }
    return self;
}

- (void)addSubviews {
    [self addSubview:self.signalImageView];
//    [self addSubview:self.timeLable];
    [self addSubview:self.switchLineBtn];
    [self addSubview:self.switchCameraBtn];
    [self addSubview:self.microphoneBtn];
    [self addSubview:self.cameraBtn];
//    [self addSubview:self.onShowLabel];
    
    [self addSubview:self.hangupBtn];
    CGFloat topOffset = (self.bounds.size.height - TButtonWidth) / 2.0;
    
    [self.signalImageView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.left.mas_equalTo(self.mas_left).offset(20);
        make.centerY.mas_equalTo(self.mas_centerY);
        make.width.mas_equalTo(TSignalImageViewWidth);
        make.height.mas_equalTo(TSignalImageViewWidth);
    }];
//    [self.timeLable mas_makeConstraints:^(MASConstraintMaker *make) {
//        make.left.equalTo(self.signalImageView.mas_right).offset(20);
//        make.centerY.equalTo(self.mas_centerY);
//        make.width.equalTo(@TTimeLableWidth);
//        make.height.equalTo(@TTimeLableHeight);
//    }];
    
    // 切换线路
    [self.switchLineBtn mas_makeConstraints:^(MASConstraintMaker *make) {
        make.left.mas_equalTo(self.signalImageView.mas_right).offset(20);
        make.width.mas_equalTo(TButtonWidth);
        make.height.mas_equalTo(TButtonWidth);
        make.top.mas_equalTo(self.mas_top).offset(topOffset);
    }];
    
    // 切换摄像头
    [self.switchCameraBtn mas_makeConstraints:^(MASConstraintMaker *make) {
        make.left.mas_equalTo(self.switchLineBtn.mas_right).offset(TButtonSpace);
        make.width.mas_equalTo(TButtonWidth);
        make.height.mas_equalTo(TButtonWidth);
        make.top.mas_equalTo(self.mas_top).offset(topOffset);
    }];
    // 麦克风
    [self.microphoneBtn mas_makeConstraints:^(MASConstraintMaker *make) {
        make.left.mas_equalTo(self.switchCameraBtn.mas_right).offset(TButtonSpace);
        make.width.mas_equalTo(TButtonWidth);
        make.height.mas_equalTo(TButtonWidth);
        make.top.mas_equalTo(self.mas_top).offset(topOffset);
    }];
    // 摄像头
    [self.cameraBtn mas_makeConstraints:^(MASConstraintMaker *make) {
        make.left.mas_equalTo(self.microphoneBtn.mas_right).offset(TButtonSpace);
        make.width.mas_equalTo(TButtonWidth);
        make.height.mas_equalTo(TButtonWidth);
        make.top.mas_equalTo(self.mas_top).offset(topOffset);
    }];
    
    // 演示label
//    [self.onShowLabel mas_makeConstraints:^(MASConstraintMaker *make) {
//        make.left.mas_equalTo(self.cameraBtn.mas_right).offset(TButtonSpace * 2);
//        make.width.mas_equalTo(120);
//        make.height.mas_equalTo(TButtonWidth);
//        make.top.mas_equalTo(self.mas_top).offset(topOffset);
//    }];
    
    // 退出
    [self.hangupBtn mas_makeConstraints:^(MASConstraintMaker *make) {
        make.right.mas_equalTo(self.mas_right).offset(-TButtonSpace);
        make.width.mas_equalTo(TButtonWidth);
        make.height.mas_equalTo(TButtonWidth);
        make.top.mas_equalTo(self.mas_top).offset(topOffset);
    }];
    
    self.isDisplay = YES;
}

- (void)clearUnreadMessage{
    Classroom *currentRoom = [ClassroomService sharedService].currentRoom;
    [[RCIMClient sharedRCIMClient] clearMessagesUnreadStatus:ConversationType_GROUP targetId:currentRoom.roomId];
    UIButton *button = (UIButton *)[self viewWithTag:ClassTitleViewActionTagChat];
    [button setBackgroundImage:[UIImage imageNamed:@"classnews_nomal"] forState:UIControlStateNormal];
    [button setBackgroundImage:[UIImage imageNamed:@"classnews_nomal"] forState:UIControlStateHighlighted];
}



- (void)refreshTitleView {
    [self setDefaultButtons];
    RoomMember *curMember = [ClassroomService sharedService].currentRoom.currentMember;
    // 判断显示状态
    [self isCameraAvailable:^(bool avilable) {
        if (avilable) {
            self.cameraBtn.selected = !curMember.cameraEnable;
        }else {
            self.cameraBtn.selected = YES;
        }
    }];
    [self isMicrophoneAvailable:^(bool avilable) {
        if (avilable) {
            self.microphoneBtn.selected = !curMember.microphoneEnable;
        }else {
            self.microphoneBtn.selected = YES;
        }
    }];
}

- (void)setDuration:(NSInteger)duration {
    _duration = duration;
    if (_duration < 300 && self.isCountDown == NO) {
        self.isCountDown = YES;
//        self.timeLable.textColor = HexRGB(0x2DC7AA);
//        [self.timeLable.layer addAnimation:[self opacityForeverAnimation:0.5f] forKey:nil];
    }
}

- (void)timeFunction:(NSTimer *)timer {
    // 隐藏titleView
    if (self.isDisplay) {
        if (self.hiddenDuration > 0) {
            self.hiddenDuration -= 1;
        }
        else {
            self.hiddenDuration = 0;
            self.isDisplay = NO;
            [self hiddenView];
        }
    }
    
//    self.timeLable.text = [self formatJoinTime];
    if (self.delegate && [self.delegate respondsToSelector:@selector(refreshClassStatus)]) {
        [self.delegate refreshClassStatus];
    }
}

- (void)stopDurationTimer {
    [self.timeTimer setFireDate:[NSDate distantFuture]];
    if (self.timeTimer.valid) {
        [self.timeTimer invalidate];
        self.timeTimer = nil;
    }
}


- (void)tapEvent:(UIButton *)btn {
    
    if (btn.tag == ClassTitleViewActionTagMicrophone) {
        [self isMicrophoneAvailable:^(bool avilable) {
            if (!avilable) {
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wdeprecated-declarations"
                UIAlertView *alertView = [[UIAlertView alloc] initWithTitle:nil message:NSLocalizedStringFromTable(@"microphoneAvailable", @"SealClass", nil) delegate:self cancelButtonTitle:NSLocalizedStringFromTable(@"Cancel", @"SealClass", nil) otherButtonTitles:@"设置", nil];
                [alertView show];
#pragma clang diagnostic pop
                return;
            }else {
                if(self.delegate && [self.delegate respondsToSelector:@selector(classTitleView:didTapAtTag:)]) {
                    [self.delegate classTitleView:btn didTapAtTag:btn.tag];
                }
                
            }
        }];
    }
    else if (btn.tag == ClassTitleViewActionTagCamera) {
        [self isCameraAvailable:^(bool avilable) {
            if (!avilable) {
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wdeprecated-declarations"
                UIAlertView *alertView = [[UIAlertView alloc] initWithTitle:nil message:NSLocalizedStringFromTable(@"cameraAvailable", @"SealClass", nil) delegate:self cancelButtonTitle:NSLocalizedStringFromTable(@"Cancel", @"SealClass", nil) otherButtonTitles:@"设置", nil];
                [alertView show];
#pragma clang diagnostic pop
                return;
            }else {
                if(self.delegate && [self.delegate respondsToSelector:@selector(classTitleView:didTapAtTag:)]) {
                    [self.delegate classTitleView:btn didTapAtTag:btn.tag];
                }
            }
        }];
    }
    else {
        if (btn.tag == ClassTitleViewActionTagChat) {
            [self clearUnreadMessage];
        }
        if(self.delegate && [self.delegate respondsToSelector:@selector(classTitleView:didTapAtTag:)]) {
            [self.delegate classTitleView:btn didTapAtTag:btn.tag];
        }
    }
}

- (void)setDefaultButtons {
    self.buttonImageArray = @[@"line_switch",@"camera_switch", @"userMic_on", @"userCamera_on",@"class_hangUp"];
    self.buttonCloseImageArray = @[@"line_switch",@"camera_switch", @"userMic_off", @"userCamera_off", @"class_hangUp"];

    for(int i = 0; i < self.buttonArray.count; i++) {
        UIButton *button = [self.buttonArray objectAtIndex:i];
        button.enabled = YES;
        [button setBackgroundImage:[UIImage imageNamed:[self.buttonImageArray objectAtIndex:i]] forState:UIControlStateNormal];
        [button setBackgroundImage:[UIImage imageNamed:[self.buttonCloseImageArray objectAtIndex:i]]  forState:UIControlStateSelected];
    }
}

- (NSString *)formatJoinTime {
    if (self.duration <= 0) {
        return @"00:00:00";
    }
    NSInteger durationInteger = self.duration--;
    NSInteger durationS = durationInteger % 60;
    NSInteger durationM = ((durationInteger - durationS) / 60) % 60;
    NSInteger durationH = (durationInteger - durationS - 60 * durationM) / 3600;
    NSMutableArray * durationArr = [NSMutableArray new];
    [durationArr addObject:[NSString stringWithFormat:@"%02ld", durationH]];
    [durationArr addObject:[NSString stringWithFormat:@"%02ld", durationM]];
    [durationArr addObject:[NSString stringWithFormat:@"%02ld", durationS]];
    return [durationArr componentsJoinedByString:@":"];
}

- (UIImageView *)signalImageView {
    if(!_signalImageView) {
        _signalImageView = [[UIImageView alloc] init];
        _signalImageView.image = [UIImage imageNamed:@"network_status1"];
    }
    return _signalImageView;
}

//- (UILabel *)timeLable {
//    if(!_timeLable) {
//        _timeLable = [[UILabel alloc] init];
//        _timeLable.font = [UIFont systemFontOfSize:14];
//        _timeLable.textColor = [UIColor colorWithHexString:@"FFFFFF" alpha:1];
//    }
//    return _timeLable;
//}

- (UIButton *)switchLineBtn {
    if (!_switchLineBtn) {
        _switchLineBtn = [[UIButton alloc] init];
        _switchLineBtn.enabled = YES;
        _switchLineBtn.tag = ClassTitleViewActionTagSwitchLine;
        [_switchLineBtn addTarget:self action:@selector(tapEvent:) forControlEvents:UIControlEventTouchUpInside];
    }
    return _switchLineBtn;
}


- (UIButton *)switchCameraBtn {
    if(!_switchCameraBtn) {
        _switchCameraBtn = [[UIButton alloc] init];
        _switchCameraBtn.enabled = YES;
        _switchCameraBtn.tag = ClassTitleViewActionTagSwitchCamera;
        [_switchCameraBtn addTarget:self action:@selector(tapEvent:) forControlEvents:UIControlEventTouchUpInside];
        
    }
    return _switchCameraBtn;
}

- (UIButton *)microphoneBtn {
    if(!_microphoneBtn) {
        _microphoneBtn = [[UIButton alloc] init];
        _microphoneBtn.enabled = YES;
        _microphoneBtn.tag =  ClassTitleViewActionTagMicrophone;
        [_microphoneBtn addTarget:self action:@selector(tapEvent:) forControlEvents:UIControlEventTouchUpInside];
        
    }
    return _microphoneBtn;
}


- (UIButton *)cameraBtn {
    if (!_cameraBtn) {
        _cameraBtn = [[UIButton alloc] init];
        _cameraBtn.enabled = YES;
        _cameraBtn.tag = ClassTitleViewActionTagCamera;
        [_cameraBtn addTarget:self action:@selector(tapEvent:) forControlEvents:UIControlEventTouchUpInside];
    }
    return _cameraBtn;
}

//- (UILabel *)onShowLabel {
//    if (!_onShowLabel) {
//        _onShowLabel = [[UILabel alloc] init];
//        _onShowLabel.textColor = HexRGB(0xf9f9f9);
//        _onShowLabel.font = [UIFont systemFontOfSize:14.0f];
//        _onShowLabel.text = @"您已进入演示模式";
//    }
//    return _onShowLabel;
//}


- (UIButton *)hangupBtn {
    if(!_hangupBtn) {
        _hangupBtn = [[UIButton alloc] init];
        _hangupBtn.enabled = YES;
        _hangupBtn.tag =  ClassTitleViewActionTagHangup;
        [_hangupBtn addTarget:self action:@selector(tapEvent:) forControlEvents:UIControlEventTouchUpInside];
        
    }
    return _hangupBtn;
}

- (NSMutableArray *)buttonArray {
    if (!_buttonArray) {
        _buttonArray = [[NSMutableArray alloc] init];
    }
    return _buttonArray;
}

- (NSTimer *)timeTimer {
    if (_timeTimer == nil) {
        
        _timeTimer = [NSTimer scheduledTimerWithTimeInterval:1
                                                      target:self
                                                    selector:@selector(timeFunction:)
                                                    userInfo:nil
                                                     repeats:YES];
        [[NSRunLoop currentRunLoop] addTimer:_timeTimer forMode:NSRunLoopCommonModes];
    }
    
    return _timeTimer;
}

- (void)setNetStatus:(NetWorkingStatus)netStatus {
    _netStatus = netStatus;
    NSString *displayImg = @"network_status1";
    switch (netStatus) {
        case NetWorkingStatus_Good:
            displayImg = @"network_status1";
            break;
        case NetWorkingStatus_Well:
            displayImg = @"network_status2";
            break;
        case NetWorkingStatus_Bad:
            displayImg = @"network_status3";
            break;
        case NetWorkingStatus_Poor:
            displayImg = @"network_status4";
            break;
        default:
            break;
    }
    self.signalImageView.image = [UIImage imageNamed:displayImg];
}

#pragma mark ----- 显示和隐藏title
- (void)displayView {
    CGRect frame = self.frame;
    self.hiddenDuration = THiddenDuration;
    if (frame.origin.y == 0) {
        return;
    }
    
    [UIView animateWithDuration:0.3f animations:^{
        CGRect frame = self.frame;
        frame.origin.y = 0;
        self.frame = frame;
    }];
}

- (void)hiddenView {
    CGRect frame = self.frame;
    if (frame.origin.y < 0) {
        return;
    }
    [UIView animateWithDuration:0.3f animations:^{
        CGRect frame = self.frame;
        frame.origin.y = -frame.size.height;
        self.frame = frame;
    }];
}

- (void)setIsDisplay:(BOOL)isDisplay {
    _isDisplay = isDisplay;
    if (isDisplay) {
        [self displayView];
    }
}

#pragma mark === 永久闪烁的动画 ======
- (CABasicAnimation *)opacityForeverAnimation:(CGFloat)time {
    CABasicAnimation *animation = [CABasicAnimation animationWithKeyPath:@"opacity"];
    animation.fromValue = [NSNumber numberWithFloat:1.0f];
    animation.toValue = [NSNumber numberWithFloat:0.0f];//这是透明度。
    animation.autoreverses = YES;
    animation.duration = time;
    animation.repeatCount = MAXFLOAT;
    animation.removedOnCompletion = NO;
    animation.fillMode = kCAFillModeForwards;
    animation.timingFunction=[CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseIn];
    return animation;
}

#pragma mark - UIAlertViewDelegate

#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wdeprecated-declarations"
- (void)alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex {
    if (buttonIndex == 1) { // 去设置界面，开启相机访问权限
        [[UIApplication sharedApplication] openURL:[NSURL URLWithString:UIApplicationOpenSettingsURLString]];
    }
}
#pragma clang diagnostic pop

- (void)isCameraAvailable:(void (^)(bool avilable))successBlock {
    NSString *mediaType = AVMediaTypeVideo;                                                         //读取媒体类型
    AVAuthorizationStatus authStatus = [AVCaptureDevice authorizationStatusForMediaType:mediaType]; //读取设备授权状态
    if (AVAuthorizationStatusAuthorized == authStatus) {
        successBlock(YES);
    } else if(authStatus == AVAuthorizationStatusNotDetermined) {
        [AVCaptureDevice requestAccessForMediaType:AVMediaTypeVideo
                                 completionHandler:^(BOOL granted) {
                                     dispatch_async(dispatch_get_main_queue(), ^{
                                         if (granted) {
                                             successBlock(YES);
                                         } else {
                                             successBlock(NO);
                                         }
                                     });
                                 }];
    }else {
        successBlock(NO);
    }
}

-(void)isMicrophoneAvailable:(void (^)(bool avilable))successBlock  {
    AVAudioSessionRecordPermission authStatus = [[AVAudioSession sharedInstance] recordPermission];
    if (AVAudioSessionRecordPermissionGranted == authStatus) {
        successBlock(YES);
    } else if(authStatus == AVAudioSessionRecordPermissionUndetermined){
        [[AVAudioSession sharedInstance] requestRecordPermission:^(BOOL granted) {
            dispatch_async(dispatch_get_main_queue(), ^{
                if (granted) {
                    successBlock(YES);
                } else {
                    successBlock(NO);
                    
                }
            });
        }];
    }else {
        successBlock(NO);
    }
}
/*
// Only override drawRect: if you perform custom drawing.
// An empty implementation adversely affects performance during animation.
- (void)drawRect:(CGRect)rect {
    // Drawing code
}
*/

@end