gistify924392.m

#pragma mark State function

/**
 * Called when the main layer view is switching between the center / left / right VC
 */
- (void)mainLayerView:(id)layerView didShowAutomatically:(BOOL)automated toState:(MainLayerState)mainLayerState
{
    if (mainLayerState==MainLayerStateDefault)
    {
        [self.rootViewController viewWillAppear:YES];
        [self.rootViewController viewDidAppear:YES];
        
        if (self.rightViewController) {
            [self.rightViewController viewWillDisappear:YES];
            [self.rightViewController viewDidDisappear:YES];
        }
        
        if (self.leftViewController) {
            [self.leftViewController viewWillDisappear:YES];
            [self.leftViewController viewDidDisappear:YES];
        }
        BOOL visible = [self.playingViewController.musicVC isSelectedCellTextVisible];
        [self.toolbarViewController showTitle:!visible];
        [self.toolbarViewController setRightButtonToMore: NO];
    }
    else if (mainLayerState==MainLayerStateLeftShown)
    {
        [self.leftViewController viewWillAppear:YES];
        [self.leftViewController viewDidAppear:YES];
        
        [self.rootViewController viewWillDisappear:YES];
        [self.rootViewController viewDidDisappear:YES];
    }
    else if (mainLayerState==MainLayerStateRightShown)
    {
        [self.rightViewController viewWillAppear:YES];
        [self.rightViewController viewDidAppear:YES];
        
        [self.rootViewController viewWillDisappear:YES];
        [self.rootViewController viewDidDisappear:YES];

        [self.toolbarViewController showTitle:YES];
        [self.toolbarViewController setRightButtonToMore: YES];
    }
}

This code actually exists for some reason in the real world