Want to dynamically change UIWebView parent

BaseController.h
#import 
# import "ThumbnailImageView.h"
# import "MainImageView.h"
# import "GestureWindow.h"
# import "GDataXMLNode.h"

@ interface UIWebView (privateAPI)
- (NSString*) recursiveDescription;
@end

@ interface BaseController:UIViewController 
{
    IBOutlet UIImageView*_base;
    IBOutlet UIWebView*_info;
    IBOutlet UIWebView*_corp;
    IBOutlet UIWebView*_movie;
}
@property(nonatomic, retain)IBOutlet UIWebView*_info;
@property(nonatomic, retain)IBOutlet UIWebView*_corp;
@property(nonatomic, retain)IBOutlet UIWebView*_movie;
@property(nonatomic, retain)IBOutlet UIImageView*_base;

@end

BaseController.m
# import "BaseController.h"
# import "UIImage + Extras.h"
# import "ThumbnailImageView.h"
# import "GestureWindow.h"
#import 
# import "NSBundle + MyStrings.h"

@ interface BaseController()

@end


@implementation BaseController
@synthesize_corp;//Grandchild UIWebView property
@synthesize_info;// grandchild UIWebView property
@syntesize_movie; // grandchild UIWebView property
@synthesize_base;// child UIImageView property

- (void) viewDidLoad
{
    gWindow=(GestureWindow*) [[UIApplication sharedApplication].windows
                                              objectAtIndex:0];
    gWindow.gDelegate=self;
    NSMutableArray* webArray= [NSMutableArray array];
    webArray addObject:_info;
    webArray addObject:_corp;
    webArray addObject:_movie;

    gWindow.webViewArray=webArray;
}

- (void) doubleTapedWebView: (UIWebView*) webView
{
    NSLog (@"doubleTapedWebView start: %p", webView);
    UISscreen* screen = [UISscreen mainScreen];
    if([selfisInitBeforeRect]){
        // Original → Maximize
        beforeRect = webView.frame;
        [webView.scrollView setZoomScale:maxScale animated:YES];
        webView.frame = CGRectMake(
                                  0
                                  ,0
                                  ,screen.bounds.size.width
                                  ,screen.bounds.size.height
                                  );

        [webView.layer setCornerRadius:0];
        [self.view addSubview:webView];
//        _basebringSubviewToFront:webView; // Try to display it at the top of the child without directly transferring it to the parent
    } else {
        // Maximize → Original
        [webView.layer setCornerRadius:10];
        isAutoZoomed = NO;
        [webView.scrollView setZoomScale:minScale animated:YES];
        webView.frame=beforeRect;
        [self initBeforeRect];
        [_base addSubview:webView];
   }
}
@end

GestureWindow.h
@protocol GestureWindowDelegate

- (void) doubleTapedWebView: (UIWebView*) webView;

@end

#import 

@ interface GestureWindow:UIWindow{
    NSMutableArray* webViewArray;
    idgDelegate;
    NSTimeInterval lastEventTime;
    NSTimeInterval currentEventTime;
}
@property(nonatomic, retain) idgDelegate;
@property(nonatomic,retain)NSMutableArray*webViewArray;
@property(nonatomic)NSTimeInterval lastEventTime;
@property(nonatomic)NSTimeInterval currentEventTime;

@end

GestureWindow.m
@implementation GestureWindow


@synthesizeDelegate, webViewArray, lastEventTime, currentEventTime;

- (void) sendEvent: (UIEvent*) event {
    currentEventTime=event.timestamp;
    super sendEvent:event;
    NSSet*touches= [event allTouches];
    // No multi-touch
    if(touches.count!=1){  
        return;  
    }

    UITouch* touch = touches.anyObject;
    int tcCnt = [touch tapCount];

    // Exit if it is not a double tap
    if(tcCnt!=2){
        return;
    }
    // Touch the specified UIWebView?
    for (UIWebView* uwin webViewArray) {
        if([touch.view isDescendantOfView:uw]){
            if ((currentEventTime-lastEventTime)<0.7){
                break;
            }
            lastEventTime = currentEventTime;

            gDelegate doubleTapedWebView:uw;
            NSLog (@"calldoubleTapedWebView: %p", uw);
            break;
        }
    }
}
@end