update .gitignore

developer

2023-05-20 e12c7b4c22df631ebdcd16b2f98fbef8f738f92f

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//
//  UIImagePickerController+RACSignalSupport.m
//  ReactiveCocoa
//
//  Created by Timur Kuchkarov on 28.03.14.
//  Copyright (c) 2014 GitHub. All rights reserved.
//
 
#import "UIImagePickerController+RACSignalSupport.h"
#import "RACDelegateProxy.h"
#import "RACSignal+Operations.h"
#import "NSObject+RACDeallocating.h"
#import "NSObject+RACDescription.h"
#import <objc/runtime.h>
 
@implementation UIImagePickerController (RACSignalSupport)
 
static void RACUseDelegateProxy(UIImagePickerController *self) {
    if (self.delegate == self.rac_delegateProxy) return;
    
    self.rac_delegateProxy.rac_proxiedDelegate = self.delegate;
    self.delegate = (id)self.rac_delegateProxy;
}
 
- (RACDelegateProxy *)rac_delegateProxy {
    RACDelegateProxy *proxy = objc_getAssociatedObject(self, _cmd);
    if (proxy == nil) {
        proxy = [[RACDelegateProxy alloc] initWithProtocol:@protocol(UIImagePickerControllerDelegate)];
        objc_setAssociatedObject(self, _cmd, proxy, OBJC_ASSOCIATION_RETAIN_NONATOMIC);
    }
    
    return proxy;
}
 
- (RACSignal *)rac_imageSelectedSignal {
    RACSignal *pickerCancelledSignal = [[self.rac_delegateProxy
        signalForSelector:@selector(imagePickerControllerDidCancel:)]
        merge:self.rac_willDeallocSignal];
        
    RACSignal *imagePickerSignal = [[[[self.rac_delegateProxy
        signalForSelector:@selector(imagePickerController:didFinishPickingMediaWithInfo:)]
        reduceEach:^(UIImagePickerController *pickerController, NSDictionary *userInfo) {
            return userInfo;
        }]
        takeUntil:pickerCancelledSignal]
        setNameWithFormat:@"%@ -rac_imageSelectedSignal", self.rac_description];
    
    RACUseDelegateProxy(self);
    
    return imagePickerSignal;
}
 
@end