UITor - macos

AppDelegate.m

//
//  AppDelegate.m
//  uitor
//
//  Created by Jiri Bruchanov on 03/01/2020.
//  Copyright © 2020 Jiri Bruchanov. All rights reserved.
//

//WEB Server https://github.com/swisspol/GCDWebServer

#import "AppDelegate.h"

@interface AppDelegate ()
    
@end

@implementation AppDelegate

GCDWebServer* _webServer;

-(GCDWebServerDataResponse*) runOnMainThread : (GCDWebServerDataResponse* (^)(void))action {
    __block GCDWebServerDataResponse *result = nil;
    dispatch_semaphore_t semaphor = dispatch_semaphore_create(0);
    dispatch_async(dispatch_get_main_queue(), ^{
        result = action();
        dispatch_semaphore_signal(semaphor);
    });
    dispatch_semaphore_wait(semaphor, DISPATCH_TIME_FOREVER);
//    dispatch_release(semaphor);
    return result;
}

-(UIView*)findView:(int) position withRootView:(UIView*) view withPosition:(int*) counter {
    if((*counter) == position){
        return view;
    }
    
    if([view.subviews count] > 0){
        for (UIView *childView in view.subviews) {
            (*counter)++;
            UIView *result = [self findView:position withRootView:childView withPosition:counter];
            if(result){
                return result;
            }
        }
    }
    return nil;
}

-(NSDictionary*) getData:(UIView*) view{
    NSMutableDictionary *data = [[NSMutableDictionary alloc]init];
    if ([view isKindOfClass:[UITextField class]]) {
        UITextField *v = (UITextField*)view;
        [data setObject:v.text forKey:@"Text"];
    } else if ([view isKindOfClass:[UIButton class]]) {
        UIButton *v = (UIButton*)view;
        //[data setObject:v.titleLabel.text forKey:@"TitleLabel.Text"];
    }
    [data setObject:@"-" forKey:@"Owner:"];
    [data setObject:NSStringFromClass([view class]) forKey:@"Type"];
    [data setObject:@1 forKey:@"_ScaleX"];
    [data setObject:@1 forKey:@"_ScaleY"];
    [data setObject:@0 forKey:@"_Visibility"];

    BOOL isVisible = !view.hidden;
    BOOL isViewGroup = [view.subviews count] > 0;
    BOOL hasBackground = view.backgroundColor != nil;
    BOOL shouldRender = isVisible && !isViewGroup;
    [data setObject:@(shouldRender) forKey:@"_RenderViewContent"];
    float scale = [UIScreen mainScreen].scale;
    
    
    CGRect bounds = [view convertRect:view.bounds toView:nil];
    
    [data setObject:@(bounds.origin.x * scale) forKey:@"LocationScreenX"];
    [data setObject:@(bounds.origin.y * scale) forKey:@"LocationScreenY"];
    
    [data setObject:@(view.bounds.size.width * scale) forKey:@"Width"];
    [data setObject:@(view.bounds.size.height * scale) forKey:@"Height"];
    return data;
}

-(void)fillData:(NSMutableDictionary*) data withView:(UIView*) view withLevel:(int) level withPosition:(int*) position {
    [data setObject:@0 forKey:@"IDi"];
    [data setObject:@"" forKey:@"IDs"];
    [data setObject:@"" forKey:@"Owner:"];
    [data setObject:@(level) forKey:@"Level"];
    [data setObject:@(*position) forKey:@"Position"];
    
    [data setObject:[self getData:view] forKey:@"Data"];
    
    if([view.subviews count] > 0){
        NSMutableArray* arr = [[NSMutableArray alloc]init];
        [data setObject:arr forKey:@"Nodes"];
        for (UIView *childView in view.subviews) {
            NSMutableDictionary *childData = [[NSMutableDictionary alloc]init];
            [arr addObject:childData];
            (*position)++;
            [self fillData:childData withView:childView withLevel:level+1 withPosition:position];
        }
    }
}

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
    // Override point for customization after application launch.
    
    // Create server
    _webServer = [[GCDWebServer alloc] init];
    
    // Add a handler to respond to GET requests on any URL
    [_webServer addDefaultHandlerForMethod:@"GET"
                              requestClass:[GCDWebServerRequest class]
                              processBlock:^GCDWebServerResponse *(GCDWebServerRequest* request) {
        
        NSString *url = request.URL.absoluteString;
        NSString *relativePath = [url substringFromIndex:[_webServer.serverURL.absoluteString length]];
        NSLog(@"URL %@", relativePath);
        __block NSData *data = nil;
        
        if([relativePath isEqualToString:@"screen/0"]) {
            // Native Bounds - Detect Screen size in Pixels.
            return [self runOnMainThread: ^{
                CGFloat width  = [UIScreen mainScreen].nativeBounds.size.width;
                CGFloat height = [UIScreen mainScreen].nativeBounds.size.height;
                
                UIWindow *keyWindow = [[UIApplication sharedApplication].windows objectAtIndex:0];
                CGSize size = CGSizeMake(width, height);
                
                UIGraphicsBeginImageContextWithOptions(size, NO, [UIScreen mainScreen].scale);
                if ([[UIScreen mainScreen] respondsToSelector:@selector(scale)]) {
                    UIGraphicsBeginImageContextWithOptions(keyWindow.bounds.size, NO, [UIScreen mainScreen].scale);
                } else {
                    UIGraphicsBeginImageContext(keyWindow.bounds.size);
                }
                
                [keyWindow.layer renderInContext:UIGraphicsGetCurrentContext()];
                UIImage *image = UIGraphicsGetImageFromCurrentImageContext();
                UIGraphicsEndImageContext;
                NSData *data = UIImagePNGRepresentation(image);
                
                return [GCDWebServerDataResponse responseWithData:data contentType:@"image/png"];
            }];
        } else if ([relativePath isEqualToString:@"viewhierarchy/0"]) {
            return [self runOnMainThread: ^{
                UIWindow *keyWindow = [[UIApplication sharedApplication].windows objectAtIndex:0];
                NSMutableDictionary *dict = [[NSMutableDictionary alloc]init];
                int pos = 0;
                [self fillData:dict withView:keyWindow.rootViewController.view withLevel:0 withPosition:&pos];
                NSError* error;
                NSData *jsonData = [NSJSONSerialization dataWithJSONObject:dict
                                                                   options:(NSJSONWritingOptions) (false ? NSJSONWritingPrettyPrinted : 0)
                                                                     error:&error];
                NSData *data = jsonData;
                return [GCDWebServerDataResponse responseWithData:data contentType:@"application/json"];
            }];
        } else if ([relativePath isEqualToString:@"screens"]) {
            NSData *data = [@"[\"IOSSample\"]" dataUsingEncoding:NSUTF8StringEncoding];
            return [GCDWebServerDataResponse responseWithData:data contentType:@"application/json"];
         } else if ([relativePath isEqualToString:@"config"]) {
             NSMutableDictionary *config = [[NSMutableDictionary alloc]init];
             [config setObject:@[@"LayoutInspectorPage",@"TidyTreePage", @"ThreeDPage", @"ScreenshotPage"] forKey:@"Pages"];
             [config setObject:@NO forKey:@"Groovy"];
             [config setObject:@1 forKey:@"ServerVersion"];
             [config setObject:@"#F00" forKey:@"SelectionColor"];
             [config setObject:@{
                 @"MODEL": @"IOS",
                 @"MANUFACTURER": @"Apple",
                 @"API": @1,
             } forKey:@"Devivce"];
             
             NSError* error;
             NSData *data = [NSJSONSerialization dataWithJSONObject:config
                                                                options:(NSJSONWritingOptions) (false ? NSJSONWritingPrettyPrinted : 0)
                                                                  error:&error];
             return [GCDWebServerDataResponse responseWithData:data contentType:@"application/json"];
         } else if ([relativePath hasPrefix:@"view/0/"]) {
             return [self runOnMainThread: ^{
                 NSArray *items = [relativePath componentsSeparatedByString:@"/"];
                 int position = [[items objectAtIndex:(items.count - 1)] integerValue];
                  UIWindow *keyWindow = [[UIApplication sharedApplication].windows objectAtIndex:0];
                 
                 int pos = 0;
                 UIView *view = [self findView:position withRootView:keyWindow.rootViewController.view withPosition:&pos];
                 UIGraphicsBeginImageContext(CGSizeMake(view.frame.size.width, view.frame.size.height));
                 [view drawViewHierarchyInRect:CGRectMake(0, 0, view.frame.size.width, view.frame.size.height) afterScreenUpdates:YES];
                 UIImage *image = UIGraphicsGetImageFromCurrentImageContext();
                 UIGraphicsEndImageContext();
                 data = UIImagePNGRepresentation(image);

                 return [GCDWebServerDataResponse responseWithData:data contentType:@"image/png"];
             }];
         } else {
            NSData *data = [@"{}" dataUsingEncoding:NSUTF8StringEncoding];
            return [GCDWebServerDataResponse responseWithData:data contentType:@"application/json"];
        }
    }];
    
    // Start server on port 8080
    [_webServer startWithPort:8081 bonjourName:nil];
    NSLog(@"Visit %@ in your web browser", _webServer.serverURL);
    
    return YES;
}

#pragma mark - UISceneSession lifecycle


- (UISceneConfiguration *)application:(UIApplication *)application configurationForConnectingSceneSession:(UISceneSession *)connectingSceneSession options:(UISceneConnectionOptions *)options {
    // Called when a new scene session is being created.
    // Use this method to select a configuration to create the new scene with.
    return [[UISceneConfiguration alloc] initWithName:@"Default Configuration" sessionRole:connectingSceneSession.role];
}


- (void)application:(UIApplication *)application didDiscardSceneSessions:(NSSet<UISceneSession *> *)sceneSessions {
    // Called when the user discards a scene session.
    // If any sessions were discarded while the application was not running, this will be called shortly after application:didFinishLaunchingWithOptions.
    // Use this method to release any resources that were specific to the discarded scenes, as they will not return.
}


@end