Rename ios-bootstrap to darwin-bootstrap; cleanup posixspawn-hook and unrestrict.

Not tested yet.

1 files changed, 159 insertions, 0 deletions

diff --git a/darwin-bootstrap/safety-dance/main.m b/darwin-bootstrap/safety-dance/main.m
new file mode 100644
index 0000000..0d05e00
--- /dev/null
+++ b/darwin-bootstrap/safety-dance/main.m
@@ -0,0 +1,159 @@
+#import <UIKit/UIKit.h>
+#import "AutoGrid.h"
+
+@interface ViewController : UIViewController {
+    AutoGrid *autoGrid;
+}
+
+@end
+
+@implementation ViewController
+
+- (void)viewDidLoad {
+    [super viewDidLoad];
+    [self loadStuff];
+    NSMutableArray *names = [NSMutableArray array];
+    for (int i = 0; i < 100; i++)
+        [names addObject:[NSString stringWithFormat:@"Some Dylib %d", i]];
+    NSMutableArray *views = [NSMutableArray array];
+    for (NSString *name in names) {
+        UILabel *label = [[UILabel alloc] init];
+        label.text = name;
+        [views addObject:label];
+    }
+    [autoGrid setViews:views];
+}
+
+#define EXPLANATION \
+    @"SpringBoard seems to have crashed.  The cause might be a Substitute jailbreak extension, or unrelated.  Just to be safe, extensions in SpringBoard have been temporarily disabled.  You can continue in this mode, or restart SpringBoard normally.\n\nThe following extensions were running:"
+
+static void hugging(UIView *view, UILayoutPriority pri) {
+    [view setContentHuggingPriority:pri forAxis:UILayoutConstraintAxisHorizontal];
+    [view setContentHuggingPriority:pri forAxis:UILayoutConstraintAxisVertical];
+}
+static void compression(UIView *view, UILayoutPriority pri) {
+    [view setContentCompressionResistancePriority:pri forAxis:UILayoutConstraintAxisHorizontal];
+    [view setContentCompressionResistancePriority:pri forAxis:UILayoutConstraintAxisVertical];
+}
+
+- (void)loadStuff {
+    self.view.backgroundColor = [UIColor whiteColor];
+
+    UILabel *top = [[UILabel alloc] init];
+    top.translatesAutoresizingMaskIntoConstraints = NO;
+    top.textAlignment = NSTextAlignmentCenter;
+    hugging(top, 251);
+    top.text = @"libsubstitute";
+    top.font = [UIFont systemFontOfSize:23];
+    [self.view addSubview:top];
+
+    UILabel *big = [[UILabel alloc] init];
+    big.translatesAutoresizingMaskIntoConstraints = NO;
+    big.textAlignment = NSTextAlignmentCenter;
+    hugging(big, 251);
+    [big setContentHuggingPriority:251 forAxis:UILayoutConstraintAxisHorizontal];
+    [big setContentHuggingPriority:251 forAxis:UILayoutConstraintAxisVertical];
+    big.text = @"Safe Mode";
+    big.font = [UIFont systemFontOfSize:32];
+    [self.view addSubview:big];
+
+    UILabel *explain = [[UILabel alloc] init];
+    explain.translatesAutoresizingMaskIntoConstraints = NO;
+    explain.textAlignment = NSTextAlignmentCenter;
+    hugging(explain, 251);
+    compression(explain, 999);
+    explain.text = EXPLANATION;
+    explain.font = [UIFont systemFontOfSize:14];
+    explain.minimumScaleFactor = 0.5; /* test */
+    explain.numberOfLines = 0;
+    [self.view addSubview:explain];
+
+    UIButton *returnButton = [UIButton buttonWithType:UIButtonTypeSystem];
+    returnButton.translatesAutoresizingMaskIntoConstraints = NO;
+    returnButton.contentVerticalAlignment = UIControlContentVerticalAlignmentCenter;
+    returnButton.contentHorizontalAlignment = UIControlContentHorizontalAlignmentCenter;
+    returnButton.titleLabel.font = [UIFont systemFontOfSize:17];
+    [returnButton setTitle:@"Return to Normal" forState:UIControlStateNormal];
+    [self.view addSubview:returnButton];
+
+    UIButton *continueButton = [UIButton buttonWithType:UIButtonTypeSystem];
+    continueButton.translatesAutoresizingMaskIntoConstraints = NO;
+    hugging(continueButton, 999);
+    compression(continueButton, 300);
+    continueButton.contentVerticalAlignment = UIControlContentVerticalAlignmentCenter;
+    continueButton.contentHorizontalAlignment = UIControlContentHorizontalAlignmentCenter;
+    continueButton.titleLabel.font = [UIFont systemFontOfSize:17];
+    [continueButton setTitle:@"Continue in Safe Mode" forState:UIControlStateNormal];
+    [self.view addSubview:continueButton];
+
+    autoGrid = [[AutoGrid alloc] init];
+    autoGrid.translatesAutoresizingMaskIntoConstraints = NO;
+    [self.view addSubview:autoGrid];
+
+    NSDictionary *viewsDictionary = @{
+        @"top": top,
+        @"big": big,
+        @"explain": explain,
+        @"returnButton": returnButton,
+        @"continueButton": continueButton,
+        @"grid": autoGrid,
+        @"topGuide": self.topLayoutGuide,
+        @"bottomGuide": self.bottomLayoutGuide,
+    };
+    NSMutableArray *constraints = [[NSMutableArray alloc] init];
+    [constraints addObjectsFromArray:
+        [NSLayoutConstraint constraintsWithVisualFormat:
+            @"V:[topGuide]-10-[top]-0@100-[big]-0@100-[explain]-18@200-[grid]-18-[continueButton]-8-[returnButton]-20@100-[bottomGuide]"
+            options:NSLayoutFormatAlignAllCenterX metrics:nil views:viewsDictionary]];
+    NSArray *additional = @[
+        @"[explain(<=650)]",
+        @"|-10-[explain]-10-|",
+        @"|-20-[grid]-20-|",
+    ];
+    for (NSString *fmt in additional) {
+        [constraints addObjectsFromArray:
+            [NSLayoutConstraint constraintsWithVisualFormat:fmt options:0 metrics:nil views:viewsDictionary]];
+    }
+    [self.view addConstraints:constraints];
+}
+
+
+- (NSUInteger)supportedInterfaceOrientations
+{
+    if ([UIDevice currentDevice].userInterfaceIdiom == UIUserInterfaceIdiomPad)
+        return UIInterfaceOrientationMaskAll;
+    else if ([UIScreen mainScreen].bounds.size.width >= 414)
+        return UIInterfaceOrientationMaskAllButUpsideDown;
+    else
+        return UIInterfaceOrientationMaskPortrait;
+}
+
+@end
+
+@interface AppDelegate : UIResponder <UIApplicationDelegate> {
+}
+
+@property (strong, nonatomic) UIWindow *window;
+
+
+@end
+
+@implementation AppDelegate
+- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
+    NSLog(@"dflwo");
+    self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
+    ViewController *viewController = [[ViewController alloc] init];
+    self.window.rootViewController = viewController;
+    [self.window makeKeyAndVisible];
+    return YES;
+}
+
+@end
+
+int main(int argc, char *argv[]) {
+    NSLog(@"main");
+    @autoreleasepool {
+        return UIApplicationMain(argc, argv, nil, @"AppDelegate");
+    }
+}
+