PrivateBoxiOS/创维盒子/code/mine/scanToPCLoginViewController.m

//
//  scanToPCLoginViewController.m
//  双子星云手机
//
//  Created by xd h on 2024/8/27.
//

#import "scanToPCLoginViewController.h"
#import <AVFoundation/AVFoundation.h>
#import <ImageIO/ImageIO.h>
#import "PCLoginViewController.h"

@interface scanToPCLoginViewController ()<AVCaptureMetadataOutputObjectsDelegate,AVCaptureVideoDataOutputSampleBufferDelegate,UINavigationControllerDelegate>

@property(nonatomic,strong)AVCaptureVideoPreviewLayer *layer;

//捕捉会话

@property(nonatomic,strong)AVCaptureSession *session;

//辅助区域框

@property(nonatomic,strong)UIImageView * cyanEdgeImageView;
@property(nonatomic,strong)UIImageView * qrCodeScanLine;
@property(nonatomic,strong)NSTimer * scanLineTimer;

@end

@implementation scanToPCLoginViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    // Do any additional setup after loading the view.
    
    [self.navigationBar setHidden:YES];
    [self.toolBar setHidden:YES];
    
    AVAuthorizationStatus authStatus =[AVCaptureDevice authorizationStatusForMediaType:AVMediaTypeVideo];
    //判断摄像头状态是否可用
    if(authStatus==AVAuthorizationStatusAuthorized){
        [self startScan];
    }else{
        NSLog(@"未开启相机权限，请前往设置中开启");
        [AVCaptureDevice requestAccessForMediaType:AVMediaTypeVideo completionHandler:^(BOOL granted) {
            if (granted){
                mainBlock(^{
                    [self startScan];
                });
            }
        }];
    }
}

-(void)viewWillDisappear:(BOOL)animated
{
    [super viewWillDisappear:animated];
    if(_scanLineTimer)[_scanLineTimer  invalidate];
}

//开始扫描二维码

-(void)startScan{
    //1.创建捕捉会话,AVCaptureSession是第一个要被创建的对象，所有的操作都要基于这一个session
    self.session = [[AVCaptureSession alloc]init];
    AVCaptureDevice *device = [AVCaptureDevice defaultDeviceWithMediaType:AVMediaTypeVideo];

AVCaptureDeviceInput *input = [AVCaptureDeviceInput deviceInputWithDevice:device error:nil];

    [self.session addInput:input];



    //3.添加输出数据(示例对象-->类对象-->元类对象-->根元类对象)

    /*输入的类是AVCaptureInput，那么输出的类相应的就应该是AVCaptureOutput。

 输出不需要和设备挂钩,因为一般情况下，我们的输出要么是音频或视频文件，要么是一些其他的数据，像二维码扫描一般是字符串类型。

 所以创建AVCaptureOutput实例就不需要AVCaptureDevice对象。

 AVCaptureOutput也同样是一个抽象类，同样要使用其子类，在这里我们扫描二维码，

 使用的是AVCaptureMetadataOutput，设置代码如下所示*/


    AVCaptureMetadataOutput *output = [[AVCaptureMetadataOutput alloc] init];
    [output setMetadataObjectsDelegate:self queue:dispatch_get_main_queue()];

    //设置能扫描的区域，这里注意，CGRectMake的x,y和width,height的值是互换位置

    output.rectOfInterest=CGRectMake(250/self.view.frame.size.height, 100/self.view.frame.size.width, (self.view.frame.size.width-200)/self.view.frame.size.width, (self.view.frame.size.width-200)/self.view.frame.size.width);

    [self.session addOutput:output];
//设置输入元数据的类型(类型是二维码,条形码数据,注意，这个一定要写在添加到session后面，不然要崩溃，如果只需要扫描二维码只需要AVMetadataObjectTypeQRCode，如果还需要扫描条形码，那么全部添加上)
    [output setMetadataObjectTypes:@[AVMetadataObjectTypeQRCode,
                                     AVMetadataObjectTypeEAN8Code,
                                     AVMetadataObjectTypeEAN13Code,
                                     AVMetadataObjectTypeCode39Code,
                                     AVMetadataObjectTypeCode39Mod43Code,
                                     AVMetadataObjectTypeCode93Code,
                                     AVMetadataObjectTypeCode128Code,
                                     AVMetadataObjectTypePDF417Code,
                                     AVMetadataObjectTypeAztecCode,
                                     AVMetadataObjectTypeUPCECode,
                                     AVMetadataObjectTypeInterleaved2of5Code,
                                     AVMetadataObjectTypeITF14Code,
                                     AVMetadataObjectTypeDataMatrixCode,
                                   ]];



    //4.添加扫描图层

    self.layer = [AVCaptureVideoPreviewLayer layerWithSession:self.session];

    self.layer.videoGravity=AVLayerVideoGravityResizeAspectFill;

    self.layer.frame = self.view.bounds;

    [self.view.layer addSublayer:self.layer];



    //5.创建view,通过layer层进行设置边框宽度和颜色,用来辅助展示扫描的区域

    _cyanEdgeImageView=[[UIImageView alloc] initWithFrame:CGRectMake(100, 250, self.view.frame.size.width-200, self.view.frame.size.width-200)];

//    _cyanEdgeImageView.layer.borderWidth=2;
//
//    _cyanEdgeImageView.layer.borderColor =[UIColor cyanColor].CGColor;

    _cyanEdgeImageView.image = [UIImage imageNamed:@"qrCode_scan_bg"];
    [self.view addSubview:_cyanEdgeImageView];

    _qrCodeScanLine=[[UIImageView alloc] initWithFrame:CGRectMake(0, 0, self.view.frame.size.width-200, 1)];

    _qrCodeScanLine.image = [UIImage imageNamed:@"qrCode_scan_line"];
    [_cyanEdgeImageView addSubview:_qrCodeScanLine];

    _scanLineTimer = [NSTimer scheduledTimerWithTimeInterval:0.05 target:self selector:@selector(scanLineDownAndUpFun) userInfo:nil repeats:YES];
    
    UILabel *tipLib = [[UILabel alloc] initWithFrame:CGRectMake(20, _cyanEdgeImageView.hw_max_y + 15, SCREEN_W - 40, 20)];
    tipLib.text = NSLocalizedString(@"pc_qrcoede_tips_please",nil);
    tipLib.font = [UIFont systemFontOfSize:14.0];
    tipLib.textAlignment = NSTextAlignmentCenter;
    tipLib.textColor = [UIColor whiteColor];
    [self.view addSubview:tipLib];
    
    //6.创建检测光感源

    AVCaptureVideoDataOutput *guangOutPut = [[AVCaptureVideoDataOutput alloc] init];

    [guangOutPut setSampleBufferDelegate:self queue:dispatch_get_main_queue()];

    //设置为高质量采集率

    [self.session setSessionPreset:AVCaptureSessionPresetHigh];

    //把光感源添加到会话
    [self.session addOutput:guangOutPut];

    //9.开始扫描
    KWeakSelf
    globalBlock(^{
        [weakSelf.session startRunning];
    });

    
    //添加返回键
    CGFloat btn_w_h  = 40;
    CGFloat btn_show = 28;
    UIButton *backBtn = [[UIButton alloc] init];
    [self.view addSubview:backBtn];
    [backBtn mas_makeConstraints:^(MASConstraintMaker *make) {
        make.top.mas_equalTo(H_STATE_BAR + (64.f - btn_w_h)/2.f);
        make.left.mas_equalTo(10);
        make.width.mas_equalTo(btn_w_h);
        make.height.mas_equalTo(btn_w_h);
    }];
    [backBtn setImage:[UIImage imageNamed:@"icon_white_back"] forState:(UIControlStateNormal)];
    [backBtn setImageEdgeInsets:(UIEdgeInsetsMake((btn_w_h - btn_show)/2.f, (btn_w_h - btn_show)/2.f, (btn_w_h - btn_show)/2.f, (btn_w_h - btn_show)/2.f))];
    [backBtn addTarget:self
                action:@selector(backBtnPressed)
      forControlEvents:(UIControlEventTouchUpInside)];
    
    //添加标题
    CGFloat left_ritght = btn_w_h + 10 + 5;
    UILabel *titleLabel = [[UILabel alloc] init];
    titleLabel.text = NSLocalizedString(@"pc_scan_to_login",nil);
    titleLabel.textAlignment = NSTextAlignmentCenter;
    titleLabel.font = [UIFont systemFontOfSize:16.0];
    titleLabel.textColor = [UIColor whiteColor];
    [self.view addSubview:titleLabel];
    
    [titleLabel mas_makeConstraints:^(MASConstraintMaker *make) {
        make.centerY.mas_equalTo(backBtn.mas_centerY);
        make.left.mas_equalTo(left_ritght);
        make.right.mas_equalTo(-left_ritght);
        make.height.mas_equalTo(btn_w_h);
    }];
    
}

#pragma mark timer 处理线上下移动
bool isPCScanDownType = YES;
-(void)scanLineDownAndUpFun
{
    [UIView animateWithDuration:0.01 animations:^{
        
        if(isPCScanDownType && self->_qrCodeScanLine.hw_y <= self->_cyanEdgeImageView.hw_h){
            self->_qrCodeScanLine.hw_y += 2;
            
            if(self->_cyanEdgeImageView.hw_h - self->_qrCodeScanLine.hw_y <= 5){
                isPCScanDownType = NO;
            }
        }
        else if(!isPCScanDownType && self->_qrCodeScanLine.hw_y >= 0)
        {
            self->_qrCodeScanLine.hw_y -= 2;
            
            if(self->_qrCodeScanLine.hw_y <= 5){
                isPCScanDownType = YES;
            }
        }
    }];
}

//实现扫描的回调代理方法

- (void)captureOutput:(AVCaptureOutput*)captureOutput didOutputMetadataObjects:(NSArray*)metadataObjects fromConnection:(AVCaptureConnection*)connection{

//如果数组metadataObjects中有数据，metadataObjects是个数组类型

    if(metadataObjects.count>0) {
        
        AVMetadataMachineReadableCodeObject*object = [metadataObjects lastObject];
        
        HLog(@"%@",object.stringValue);
        
        /*扫描到有用信息时取消扫描*/
        NSString *resStr = object.stringValue;//RK3908P1V62112465
        
        [self handleScanCodeResultFun:resStr];
    }
    else{
        [[iToast makeText:NSLocalizedString(@"pc_qrcoede_tips_error",nil)] show];
        HLog(@"没有扫描到数据");
    }
}

#pragma mark 处理扫码出来的数据
- (void)handleScanCodeResultFun:(NSString*)resultStr
{
    NSString * resStr = resultStr;
    
    if([AFNetworkReachabilityManager sharedManager].networkReachabilityStatus == AFNetworkReachabilityStatusNotReachable)
    {
        [[iToast makeText:NSLocalizedString(@"phone_network_fail_Tips",nil)] show];
        return;
    }
    
    if ([resStr containsString:@"boxLoginId:"]){
        
        [_scanLineTimer  invalidate];

        [self scanToPCloginFunWithID:resStr];
        
        //停止扫描
        [self.session stopRunning];
        
        //移除扫描层layer
        [self.layer removeFromSuperlayer];
    }
    else{
        [[iToast makeText:NSLocalizedString(@"pc_qrcoede_tips_error",nil)] show];
    }

}


//光感传感器代理
-(void)captureOutput:(AVCaptureOutput*)captureOutput didOutputSampleBuffer:(CMSampleBufferRef)sampleBuffer fromConnection:(AVCaptureConnection*)connection{

    //获取光线的值

    CFDictionaryRef metadataDict = CMCopyDictionaryOfAttachments(NULL,sampleBuffer, kCMAttachmentMode_ShouldPropagate);

    NSDictionary *metadata = [[NSMutableDictionary alloc] initWithDictionary:(__bridge NSDictionary*)metadataDict];

    CFRelease(metadataDict);

    NSDictionary *exifMetadata = [[metadata objectForKey:(NSString *)kCGImagePropertyExifDictionary] mutableCopy];

    float brightnessValue = [[exifMetadata objectForKey:(NSString*)kCGImagePropertyExifBrightnessValue]floatValue];

    NSLog(@"%f",brightnessValue);


    // 根据brightnessValue的值来打开和关闭闪光灯，一般值小于0就需要打开，大于0就关闭

//    if((brightnessValue <0)) {//显示闪光灯
//        self.lightBtn.hidden=NO;
//    }else if((brightnessValue >0)) {//隐藏闪光灯
//        self.lightBtn.hidden=YES;
//    }
}

////闪光灯按钮点击方法
//
//-(void)lightBtnClick:(UIButton*)sender{
//    //判断当前设备是否有闪光灯
//
//    AVCaptureDevice * device=[AVCaptureDevice defaultDeviceWithMediaType:AVMediaTypeVideo];
//
//    BOOL result=[device hasTorch];
//
//    if(result==YES){
//        if(self.lightBtn.isSelected==NO){
//            self.lightBtn.selected=YES;
//            self.lightBtn.backgroundColor=[UIColor greenColor];
//            [device lockForConfiguration:nil];
//            [device setTorchMode: AVCaptureTorchModeOn];//开
//            [device unlockForConfiguration];
//        }else if(self.lightBtn.isSelected==YES){
//            self.lightBtn.selected=NO;
//            self.lightBtn.backgroundColor=[UIColor grayColor];
//            [device lockForConfiguration:nil];
//            [device setTorchMode: AVCaptureTorchModeOff];//关
//            [device unlockForConfiguration];
//        }
//    }else{
//        NSLog(@"当前设备闪光灯不可用");
//    }
//}


#pragma mark PC 扫码登录
-(void)scanToPCloginFunWithID:(NSString*)idStr
{
    NSString *changSN =  ksharedAppDelegate.DeviceThirdIdMod.data.changeSn;
    NSMutableDictionary *paraDict = [NSMutableDictionary new];
    [paraDict setValue:@1 forKey:@"status"];
    [paraDict setValue:idStr forKey:@"boxLoginId"];
    [paraDict setValue:changSN forKey:@"sn"];
    
    KWeakSelf
    [[netWorkManager shareInstance] CommonPostCallBackCode:updatePCLoginStateFun Parameters:paraDict success:^(id  _Nonnull responseObject){
        SuperModel *curModel = [[SuperModel alloc] initWithDictionary:responseObject error:nil];
        
        if(curModel && curModel.status == 0){
            [weakSelf gotoNextVCFunWithID:idStr];
        }
        else
        {
            if(curModel.msg){
                [[iToast makeText:curModel.msg] show];
            }
            else{
                [[iToast makeText:NSLocalizedString(@"pc_qrcoede_tips_error",nil)] show];
            }
            
            [weakSelf.navigationController popViewControllerAnimated:YES];
        }
        
    } failure:^(NSError * _Nonnull error) {
        //[[iToast makeText:@"扫码信息错误"] show];
        [weakSelf.navigationController popViewControllerAnimated:YES];
    }];
}

#pragma mark 跳转下个界面
- (void)gotoNextVCFunWithID:(NSString*)idStr
{
//    NSArray *vcArr = self.navigationController.viewControllers;
//    
//    NSMutableArray * newArr = [NSMutableArray new];
//    
//    for (int i=0; i< vcArr.count-1; i++) {
//        UIViewController *vc = vcArr[i];
//        [newArr addObject:vc];
//    }
//    
//    self.navigationController.viewControllers = newArr;
//    
//    vcArr = self.navigationController.viewControllers;
    
    PCLoginViewController *nextVC = [PCLoginViewController new];
    nextVC.loginIdString = idStr;
    [self.navigationController pushViewController:nextVC animated:YES];
}

@end