react-native/React/Views/RCTSlider.m

92 lines
2.4 KiB
Mathematica
Raw Normal View History

/**
* Copyright (c) 2015-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*/
#import "RCTSlider.h"
#import <tgmath.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];
}
@end