/*
* Copyright (c) Facebook, Inc. and its affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/

#import "RCTSlider.h"

@implementation RCTSlider {
float _unclippedValue;
}

- (void)setValue:(float)value
{
_unclippedValue = value;
super.value = value;
}

- (void)setMinimumValue:(float)minimumValue
{
super.minimumValue = minimumValue;
super.value = _unclippedValue;
}

- (void)setMaximumValue:(float)maximumValue
{
super.maximumValue = maximumValue;
super.value = _unclippedValue;
}

- (void)setTrackImage:(UIImage *)trackImage
{
if (trackImage != _trackImage) {
_trackImage = trackImage;
CGFloat width = trackImage.size.width / 2;
UIImage *minimumTrackImage = [trackImage resizableImageWithCapInsets:(UIEdgeInsets){0, width, 0, width}
resizingMode:UIImageResizingModeStretch];
UIImage *maximumTrackImage = [trackImage resizableImageWithCapInsets:(UIEdgeInsets){0, width, 0, width}
resizingMode:UIImageResizingModeStretch];
[self setMinimumTrackImage:minimumTrackImage forState:UIControlStateNormal];
[self setMaximumTrackImage:maximumTrackImage forState:UIControlStateNormal];
}
}

- (void)setMinimumTrackImage:(UIImage *)minimumTrackImage
{
_trackImage = nil;
minimumTrackImage =
[minimumTrackImage resizableImageWithCapInsets:(UIEdgeInsets){0, minimumTrackImage.size.width, 0, 0}
resizingMode:UIImageResizingModeStretch];
[self setMinimumTrackImage:minimumTrackImage forState:UIControlStateNormal];
}

- (UIImage *)minimumTrackImage
{
return [self thumbImageForState:UIControlStateNormal];
}

- (void)setMaximumTrackImage:(UIImage *)maximumTrackImage
{
_trackImage = nil;
maximumTrackImage =
[maximumTrackImage resizableImageWithCapInsets:(UIEdgeInsets){0, 0, 0, maximumTrackImage.size.width}
resizingMode:UIImageResizingModeStretch];
[self setMaximumTrackImage:maximumTrackImage forState:UIControlStateNormal];
}

- (UIImage *)maximumTrackImage
{
return [self thumbImageForState:UIControlStateNormal];
}

- (void)setThumbImage:(UIImage *)thumbImage
{
[self setThumbImage:thumbImage forState:UIControlStateNormal];
}

- (UIImage *)thumbImage
{
return [self thumbImageForState:UIControlStateNormal];
}

- (void)accessibilityIncrement
{
[super accessibilityIncrement];
if (_onSlidingComplete) {
_onSlidingComplete(@{
@"value" : @(self.value),
});
}
}

- (void)accessibilityDecrement
{
[super accessibilityDecrement];
if (_onSlidingComplete) {
_onSlidingComplete(@{
@"value" : @(self.value),
});
}
}

@end