@implementation GradientView {
    CAGradientLayer *_gradientLayer;
}
@synthesize backgroundGradientTopColor, backgroundGradientBottomColor, backgroundGradientColors;

- (id)initWithFrame:(CGRect)frame
{
    if ((self=[super initWithFrame:frame])) {
        _gradientLayer = [CAGradientLayer layer];
        _gradientLayer.zPosition = -1;
        _gradientLayer.opaque = NO;
        _gradientLayer.actions = [NSDictionary dictionaryWithObject:[CABasicAnimation animationWithKeyPath:@"colors"] forKey:@"colors"];
        [self.layer addSublayer:_gradientLayer];

        self.opaque = NO;
    }
    return self;
}

- (void)layoutSubviews
{
    [super layoutSubviews];
    _gradientLayer.frame = self.layer.bounds;
}

- (void)setBackgroundGradientColors:(NSArray *)inputColors
{
    backgroundGradientColors = [inputColors copy];

    //_gradientLayer.opaque = NO;

    if ([backgroundGradientColors count] > 1) {
        NSMutableArray *colors = [NSMutableArray arrayWithCapacity:2];

        for (UIColor *c in backgroundGradientColors) {
            [colors addObject:(id)c.CGColor];
        }

        _gradientLayer.backgroundColor = nil;
        _gradientLayer.colors = colors;
    } else {
        _gradientLayer.backgroundColor = [[backgroundGradientColors lastObject] CGColor];
        _gradientLayer.colors = nil;
    }
}

- (void)updateGradientColors
{
    /*
    NSMutableArray *colors = [NSMutableArray arrayWithCapacity:2];

    if (self.backgroundGradientTopColor) {
        [colors addObject:self.backgroundGradientTopColor];
    }

    if (self.backgroundGradientBottomColor) {
        [colors addObject:self.backgroundGradientBottomColor];
    }

    self.backgroundGradientColors = colors;
     */
}

- (void)setBackgroundGradientTopColor:(UIColor *)c
{
    /*
    if (![backgroundGradientTopColor isEqual:c]) {
        backgroundGradientTopColor = c;
        [self updateGradientColors];
    }
     */
}

- (void)setBackgroundGradientBottomColor:(UIColor *)c
{
    /*
    if (![backgroundGradientBottomColor isEqual:c]) {
        backgroundGradientBottomColor = c;
        [self updateGradientColors];
    }
     */
}

@end