gistfile1.m

#define SWIZZLE_ADD_ANIMATION 0

#if DEBUG && SWIZZLE_ADD_ANIMATION

+ (void)load {
  safe_swap_implementation(self, @selector(addAnimation:forKey:), @selector(bb_addAnimation:forKey:));
}

- (void)bb_addAnimation:(CAAnimation *)animation forKey:(NSString *)key {
  // Ignore the stupid phantom text field's cursor animation
  if ([[[self delegate] superview] isKindOfClass:NSClassFromString(@"UITextSelectionView")] == NO) {
    NSLog(@"Key: %@, Animation: %@, Layer: %@", key, [animation debugDescription], [self debugDescription]);
  }

  [self bb_addAnimation:animation forKey:key];
  
//  if ([animation isKindOfClass:[CATransition class]]) {
//    NSLog(@"STOP IN THE NAME OF CORE ANIMATION!");
//  }
//  
//  if ([key isEqualToString:@"contents"]) {
//    NSLog(@"STOP IN THE NAME OF CORE ANIMATION!");
//  }
}

#endif