/*

     File: ATColorView.m

 Abstract: A basic NSView subclass that supports having a background color.

  Version: 1.1

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 */

#import "ATColorView.h"

#import <Quartz/Quartz.h>

@implementation ATColorView

+ (id)defaultAnimationForKey:(NSString *)key {

    if ([key isEqualToString:@"backgroundColor"]) {

        return [CABasicAnimation animation];

    }

    return [super defaultAnimationForKey:key];

}

@dynamic backgroundColor;

- (void)setBackgroundColor:(NSColor *)backgroundColor {

    // Create a CGColorRef from the NSColor and set that on our layer

    CGFloat components[backgroundColor.numberOfComponents];

    [backgroundColor getComponents:components];

    CGColorRef backgroundColorRef = CGColorCreate([[backgroundColor colorSpace] CGColorSpace], components);

    // The real work is done by the layer

    self.layer.backgroundColor = backgroundColorRef;

    CGColorRelease(backgroundColorRef);    

}

- (NSColor *)backgroundColor {

    NSColor *result = nil;

    if (self.layer != nil) {

        CGColorRef backgroundColor = self.layer.backgroundColor;

        if (backgroundColor != NULL) {

            NSColorSpace *cp = [[NSColorSpace alloc] initWithCGColorSpace:CGColorGetColorSpace(backgroundColor)];

            const CGFloat *components = CGColorGetComponents(backgroundColor);

            CGFloat componentCount = CGColorGetNumberOfComponents(backgroundColor);

            result = [NSColor colorWithColorSpace:cp components:components count:componentCount];

            [cp release];

        }

    }

    return result;

}

@end