/*

     File: ImageBrowserView.m

 Abstract: 

 Abstract:  IKImageBrowserView is a view that can display and browse a

 large amount of images and movies. This sample code demonstrates

 how to use the view in a Cocoa Application.

  Version: 1.1

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 */

#import "ImageBrowserView.h"

#import "ImageBrowserCell.h"

@implementation ImageBrowserView

//---------------------------------------------------------------------------------

// newCellForRepresentedItem:

//

// Allocate and return our own cell class for the specified item. The returned cell must not be autoreleased 

//---------------------------------------------------------------------------------

- (IKImageBrowserCell *) newCellForRepresentedItem:(id) cell

{

    return [[ImageBrowserCell alloc] init];

}

//---------------------------------------------------------------------------------

// drawRect:

//

// override draw rect and force the background layer to redraw if the view did resize or did scroll 

//---------------------------------------------------------------------------------

- (void) drawRect:(NSRect) rect

{

    //retrieve the visible area

    NSRect visibleRect = [self visibleRect];

    //compare with the visible rect at the previous frame

    if(!NSEqualRects(visibleRect, lastVisibleRect)){

        //we did scroll or resize, redraw the background

        [[self backgroundLayer] setNeedsDisplay];

        //update last visible rect

        lastVisibleRect = visibleRect;

    }

    [super drawRect:rect];

}

@end