ios-unity/Classes_cocos/UIViewController+QR.mm

//
//  UIViewController+QR.m
//  Unity-iPhone
//
//  Created by zhl on 2022/11/28.
//

#import "UIViewController+QR.h"
#import "QRCodeReaderViewController.h"
#import "QRCodeReader.h"
#import "QRCodeReaderDelegate.h"
#import "SimpleQRViewController.h"
#import "LBXPermission.h"
#import "LBXPermissionSetting.h"
#include "QrCodeViewController.h"
#include <string>
#import "NSString+Customer.h"
#include "JcWallet.h"
#import "LBXScanNative.h"
#import "ToastManager.h"

@interface UIViewController (QR)
@end

static QRCodeReaderViewController *qrcodeReaderVC = nil;
static SimpleQRViewController *sqrVC = nil;

@implementation UIViewController (QR)

-(void)showRestoreQR:(NSString *) content title:(NSString *) title oid:(NSString *) oid {
  NSLog(@"showQRCode content: %@, title: %@, oid: %@", content, title, oid);
  dispatch_async(dispatch_get_main_queue(), ^{
    QrCodeViewController *vc = [QrCodeViewController new];
    vc.content = content;
    vc.tipTitle = title;
    vc.autosave = TRUE;
    NSString *tipTxt = @"This QR code is only used to export account recovery private key.\n \
    \n \
    1. Use CEBG client to scan the QR code to get the account recovery private key. \n\
    \n \
    2. Account of ios cannot login to Andorid device. \n \
    \n \
    3. Please keep your private key as safe as possible.";
    vc.tipTxt = tipTxt;
    [self presentViewController:vc animated:YES completion:nil];
  });
}

-(void)showQRCode:(NSString *)content {
  if (qrcodeReaderVC == nil) {
    sqrVC = [SimpleQRViewController new];
  }
  sqrVC.content = content;
  // next three code set transparent for simple qr view
  self.definesPresentationContext = YES;
  sqrVC.modalPresentationStyle = UIModalPresentationOverCurrentContext;
  sqrVC.view.backgroundColor = [UIColor colorWithRed: 0.0/255.0 green: 0.0/255.0 blue: 0.0/255.0 alpha: 100.0/255.0];
  [self presentViewController:sqrVC animated:YES completion:nil];
}


-(void)loadRestoreKey:(NSString *)funid oid:(NSString *) oid{
  NSLog(@"loadRestoreKey::funid: %@, oid:%@", funid, oid);
  dispatch_async(dispatch_get_main_queue(), ^{
    UIAlertController *alertController = [UIAlertController alertControllerWithTitle:@"Tips"
                                                                             message:@"In order to restore recovery key, please Scan QRCode or Pick from Photo Library."
                                                                      preferredStyle:UIAlertControllerStyleAlert];
    UIAlertAction *actionCancel = [UIAlertAction actionWithTitle:@"Cancel"
                                                           style:UIAlertActionStyleCancel
                                                         handler: ^(UIAlertAction *action){
      [self nativeCb:funid hasErr:YES dataStr: @"user cancel"];
    }];

    UIAlertAction *scanAction = [UIAlertAction actionWithTitle:@"Scan"
                                                         style:UIAlertActionStyleDefault
                                                       handler: ^(UIAlertAction *action){
      [self scanQRCode:funid title: @"" restore:YES ];
    }];
    [alertController addAction:actionCancel];
    [alertController addAction:scanAction];
    [self presentViewController:alertController animated:YES completion:nil];
  });
}

-(void)beginScanQRCode:(NSString *)funid title:(NSString *) title{
  std::string sfunid = std::string([funid UTF8String], [funid lengthOfBytesUsingEncoding:NSUTF8StringEncoding]);
  __weak __typeof(self) weakSelf = self;
  if ([QRCodeReader supportsMetadataObjectTypes:@[AVMetadataObjectTypeQRCode]]) {
    static dispatch_once_t onceToken;
    
    dispatch_async(dispatch_get_main_queue(), ^{
      // if we are active again, we don't need to do this anymore
      if (qrcodeReaderVC == nil) {
        QRCodeReader *reader = [QRCodeReader readerWithMetadataObjectTypes:@[AVMetadataObjectTypeQRCode]];
        qrcodeReaderVC = [QRCodeReaderViewController readerWithCancelButtonTitle:@"Cancel" codeReader:reader startScanningAtLoad:YES showSwitchCameraButton:YES showTorchButton:YES];
        qrcodeReaderVC.modalPresentationStyle = UIModalPresentationFormSheet;
      }
      [qrcodeReaderVC setCompletionWithBlock:^(NSString *resultAsString, NSError *error){
        if (error != nil) {
          [self nativeCb:funid hasErr:YES dataStr: error.localizedDescription];
        } else {
          NSLog(@"scan result: %@", resultAsString);
          [self nativeCb:funid hasErr:NO dataStr: resultAsString];
        }
      }];
      
      [self presentViewController:qrcodeReaderVC animated:YES completion:NULL];
    });
  }
}

-(void)scanQRCode:(NSString *)funid title:(NSString *) title{
  [self scanQRCode:funid title:title restore:false];
}

-(void)scanQRCode:(NSString *)funid title:(NSString *) title restore: (BOOL) restore{
  NSLog(@"scanQRCode:: funId: %@ title: %@", funid, title);
  __weak __typeof(self) weakSelf = self;
  [LBXPermission authorizeWithType:LBXPermissionType_Camera completion:^(BOOL granted, BOOL firstTime) {
    if (granted) {
      [weakSelf beginScanQRCode:funid title:title];
    }
    else if(!firstTime) {
      [LBXPermissionSetting showAlertToDislayPrivacySettingWithTitle:@"Error" msg:@"The camera is need to scan QR codes" cancel:@"Cancel" setting:@"Setting" completion:^{
        if (restore) {
          [weakSelf loadRestoreKey:funid oid:@""];
        } else {
          [weakSelf nativeCb:funid hasErr:YES dataStr: @"no permission, need resend"];
        }
      }];
    }
  }];
}

-(void)nativeCb:(NSString *)funid hasErr: (BOOL) hasErr dataStr:(NSString *) dataStr {
  if ([NSString isStringEmpty:funid]) {
    NSLog(@"nativeCallBack with empty funid: %@", funid);
    return;
  }
  std::string methodName = "nativeCallBack";
  NSString *paramStr;
  if (hasErr) {
    paramStr = [NSString stringWithFormat:@"{\"errcode\": 1, \"errmessage\": \"%@\"}", dataStr];
  } else {
    paramStr = [NSString stringWithFormat:@"{\"errcode\": 0, \"data\": \"%@\"}", dataStr];
  }
  std::string sfunid = std::string([funid UTF8String], [funid lengthOfBytesUsingEncoding:NSUTF8StringEncoding]);
  std::string sparam = std::string([paramStr UTF8String], [paramStr lengthOfBytesUsingEncoding:NSUTF8StringEncoding]);
  cocos2d::nativeCallBack(sfunid.c_str(), methodName.c_str(), sparam.c_str());
}

@end