1// Copyright 2015-present 650 Industries. All rights reserved. 2 3#import "EXAppLoader.h" 4#import "EXErrorView.h" 5#import "EXEnvironment.h" 6#import "EXKernel.h" 7#import "EXKernelAppRecord.h" 8#import "EXUtil.h" 9 10@interface EXErrorView () 11 12@property (nonatomic, strong) UILabel *lblError; 13@property (nonatomic, strong) UIButton *btnRetry; 14@property (nonatomic, strong) UIButton *btnBack; 15@property (nonatomic, strong) UILabel *lblUrl; 16@property (nonatomic, strong) UILabel *lblErrorDetail; 17@property (nonatomic, strong) UIScrollView *vContainer; 18 19- (void)_onTapRetry; 20 21@end 22 23@implementation EXErrorView 24 25- (instancetype)initWithFrame:(CGRect)frame 26{ 27 if (self = [super initWithFrame:frame]) { 28 self.backgroundColor = [UIColor whiteColor]; 29 30 self.vContainer = [[UIScrollView alloc] init]; 31 [self addSubview:_vContainer]; 32 33 // error description label 34 self.lblError = [[UILabel alloc] init]; 35 _lblError.numberOfLines = 0; 36 _lblError.textAlignment = NSTextAlignmentCenter; 37 _lblError.font = [UIFont systemFontOfSize:14.0f]; 38 [_vContainer addSubview:_lblError]; 39 40 // retry button 41 self.btnRetry = [UIButton buttonWithType:UIButtonTypeRoundedRect]; 42 [_btnRetry setTitle:@"Try again" forState:UIControlStateNormal]; 43 [_btnRetry addTarget:self action:@selector(_onTapRetry) forControlEvents:UIControlEventTouchUpInside]; 44 [_vContainer addSubview:_btnRetry]; 45 46 // back button 47 self.btnBack = [UIButton buttonWithType:UIButtonTypeRoundedRect]; 48 [_btnBack setTitle:@"Go back to Expo Home" forState:UIControlStateNormal]; 49 [_btnBack addTarget:self action:@selector(_onTapBack) forControlEvents:UIControlEventTouchUpInside]; 50 [_vContainer addSubview:_btnBack]; 51 52 for (UIButton *btnToStyle in @[ _btnRetry, _btnBack ]) { 53 [btnToStyle setTintColor:[EXUtil colorWithRGB:0x49a7e8]]; 54 [btnToStyle.titleLabel setFont:[UIFont boldSystemFontOfSize:14.0f]]; 55 } 56 57 // url label 58 self.lblUrl = [[UILabel alloc] init]; 59 _lblUrl.numberOfLines = 0; 60 _lblUrl.textAlignment = NSTextAlignmentCenter; 61 [_vContainer addSubview:_lblUrl]; 62 63 // error detail label 64 self.lblErrorDetail = [[UILabel alloc] init]; 65 _lblErrorDetail.numberOfLines = 0; 66 _lblErrorDetail.textAlignment = NSTextAlignmentLeft; 67 [_vContainer addSubview:_lblErrorDetail]; 68 69 for (UILabel *lblToStyle in @[ _lblUrl, _lblErrorDetail ]) { 70 lblToStyle.font = [UIFont systemFontOfSize:14.0f]; 71 lblToStyle.textColor = [UIColor lightGrayColor]; 72 } 73 } 74 return self; 75} 76 77- (void)setType:(EXFatalErrorType)type 78{ 79 _type = type; 80 NSString *appOwnerName = @"the requested app"; 81 if (_appRecord) { 82 if (_appRecord == [EXKernel sharedInstance].appRegistry.homeAppRecord) { 83 appOwnerName = @"Expo"; 84 } else if (_appRecord.appLoader.manifest && _appRecord.appLoader.manifest[@"name"]) { 85 appOwnerName = [NSString stringWithFormat:@"\"%@\"", _appRecord.appLoader.manifest[@"name"]]; 86 } 87 } 88 89 switch (type) { 90 case kEXFatalErrorTypeLoading: { 91 _lblError.text = [NSString stringWithFormat:@"There was a problem loading %@.", appOwnerName]; 92 if (_error.code == kCFURLErrorNotConnectedToInternet) { 93 _lblError.text = [NSString stringWithFormat:@"%@ Make sure you're connected to the internet.", _lblError.text]; 94 } else if (_error.code == kEXErrorCodeAppForbidden) { 95 _lblError.text = [NSString stringWithFormat:@"Sorry, you are not allowed to load %@.", appOwnerName]; 96 } else if (_appRecord.appLoader.manifestUrl) { 97 NSString *url = _appRecord.appLoader.manifestUrl.absoluteString; 98 if ([self _urlLooksLikeLAN:url]) { 99 _lblError.text = [NSString stringWithFormat: 100 @"%@ It looks like you may be using a LAN URL. " 101 "Make sure your device is on the same network as the server or try using a tunnel.", _lblError.text]; 102 } 103 } 104 break; 105 } 106 case kEXFatalErrorTypeException: { 107 _lblError.text = [NSString stringWithFormat:@"There was a problem running %@.", appOwnerName]; 108 break; 109 } 110 } 111 [self _resetUIState]; 112} 113 114- (void)setError:(NSError *)error 115{ 116 _error = error; 117 _lblErrorDetail.text = [error localizedDescription]; 118 [self _resetUIState]; 119} 120 121- (void)setAppRecord:(EXKernelAppRecord *)appRecord 122{ 123 _appRecord = appRecord; 124 [self _resetUIState]; 125} 126 127- (void)layoutSubviews 128{ 129 [super layoutSubviews]; 130 131 _vContainer.frame = self.bounds; 132 CGFloat maxLabelWidth = self.bounds.size.width - 32.0f; 133 134 _lblError.frame = CGRectMake(0, 0, maxLabelWidth, CGFLOAT_MAX); 135 [_lblError sizeToFit]; 136 _lblError.center = CGPointMake(self.bounds.size.width * 0.5f, self.bounds.size.height * 0.25f); 137 138 _btnRetry.frame = CGRectMake(0, 0, self.bounds.size.width, 24.0f); 139 _btnRetry.center = CGPointMake(_lblError.center.x, CGRectGetMaxY(_lblError.frame) + 32.0f); 140 141 _btnBack.frame = CGRectMake(0, 0, self.bounds.size.width, 24.0f); 142 _btnBack.center = CGPointMake(_lblError.center.x, CGRectGetMaxY(_btnRetry.frame) + 24); 143 144 _lblUrl.frame = CGRectMake(0, 0, self.bounds.size.width - 48.0f, CGFLOAT_MAX); 145 [_lblUrl sizeToFit]; 146 _lblUrl.center = CGPointMake(_lblError.center.x, CGRectGetMaxY(_btnBack.frame) + 12.0f + CGRectGetMidY(_lblUrl.bounds)); 147 148 _lblErrorDetail.frame = CGRectMake(0, 0, maxLabelWidth, CGFLOAT_MAX); 149 [_lblErrorDetail sizeToFit]; 150 151 _lblErrorDetail.center = CGPointMake(_lblError.center.x, CGRectGetMaxY(_lblUrl.frame) + 24.0f + CGRectGetMidY(_lblErrorDetail.bounds)); 152 153 _vContainer.contentSize = CGSizeMake(_vContainer.bounds.size.width, CGRectGetMaxY(_lblErrorDetail.frame) + 12.0f); 154} 155 156#pragma mark - Internal 157 158- (void)_resetUIState 159{ 160 EXKernelAppRecord *homeRecord = [EXKernel sharedInstance].appRegistry.homeAppRecord; 161 _btnBack.hidden = (!homeRecord || _appRecord == homeRecord); 162 _lblUrl.hidden = (!homeRecord && ![self _isDevDetached]); 163 _lblUrl.text = _appRecord.appLoader.manifestUrl.absoluteString; 164 // TODO: maybe hide retry (see BrowserErrorView) 165 [self setNeedsLayout]; 166} 167 168- (void)_onTapRetry 169{ 170 if (_delegate) { 171 [_delegate errorViewDidSelectRetry:self]; 172 } 173} 174 175- (void)_onTapBack 176{ 177 if ([EXKernel sharedInstance].browserController) { 178 [[EXKernel sharedInstance].browserController moveHomeToVisible]; 179 } 180} 181 182- (BOOL)_urlLooksLikeLAN:(NSString *)url 183{ 184 return ( 185 url && ( 186 [url rangeOfString:@".local"].length > 0 || 187 [url rangeOfString:@"192."].length > 0 || 188 [url rangeOfString:@"10."].length > 0 || 189 [url rangeOfString:@"172."].length > 0 190 ) 191 ); 192} 193 194- (BOOL)_isDevDetached 195{ 196 return [EXEnvironment sharedEnvironment].isDetached && [EXEnvironment sharedEnvironment].isDebugXCodeScheme; 197} 198 199@end 200