gistfile1.m

-(void)updateReaderDocument:(ReaderDocument *)object {
    // Remove all the subviews
    [[self.view subviews] makeObjectsPerformSelector:@selector(removeFromSuperview)];
  
    document = object; // Update the PDF document
    [object updateProperties]; // Update the properties
    [ReaderThumbCache touchThumbCacheWithGUID:object.guid]; // Reload thumb images
    
    // Set up all subviews and trigger all other set up
    [self viewDidLoad];
    [self viewWillAppear:YES];
    [self viewDidAppear:YES];

    if (currentPage == 1) {
        currentPage = -1;
    }
    
    [self showDocumentPage:1]; // Show the first page
}