Call a method in the super from a child popupviewcontroller - ios

Question

I need to call a method in the viewcontroller that creates a popupviewcontroller, from the created popupviewcontroller.
For iPad I create it like this:
if (!self.flipsidePopoverController) {
FlipsideViewController *controller = [[[FlipsideViewController alloc] initWithNibName:#"FlipsideViewController" bundle:nil] autorelease];
controller.delegate = self;
self.flipsidePopoverController = [[[UIPopoverController alloc] initWithContentViewController:controller] autorelease];
}
if ([self.flipsidePopoverController isPopoverVisible]) {
[self.flipsidePopoverController dismissPopoverAnimated:YES];
}
else
{
/// The important part ///
[self.flipsidePopoverController presentPopoverFromRect:CGRectMake((self.view.frame.size.width-320), 0, (self.view.frame.size.width), 10) inView:self.view permittedArrowDirections:UIPopoverArrowDirectionUp animated:YES];
}
Now I wish to call a method in my main view controller from within the popup. How can I achieve that?
My iPhone equivalent is this:
// Creating it //
FlipsideViewController *controller = [[[FlipsideViewController alloc] initWithNibName:#"FlipsideViewController" bundle:nil] autorelease];
controller.delegate = self;
controller.modalTransitionStyle = UIModalTransitionStyleFlipHorizontal;
[self presentModalViewController:controller animated:YES];
Calling a method from within the popup:
if ([self.presentingViewController isKindOfClass:[MainViewController class]])
[(MainViewController*)self.presentingViewController resetClock];

Answer 1

Give the displayed view controller a reference to your main view controller. Eg:
#class MainViewController;
#interface FlipsideViewController : UIViewController
{
}
#property (nonatomic, assign) MainViewController *mainController;
#end
(Don't forget the #synthesize in the implementation!)
Later when you present the popover, just set the property:
[controller setMainController:self];

Answer 2

.h
#import <UIKit/UIKit>
#import AppDelegate.h"
#interface FlipsideViewController : UIViewController
{
}
#property (nonatomic, assign) MainViewController *mainController;
#end
.m
#import "FlipsideViewController.h"
#import "MainViewController.h"
#interface FlipsideViewController ()
#end
#implementation FlipsideViewController
#synthesize mainController = _mainController;
// methods
#end