react-native/React/Views/RCTSlider.m
Manuel Nakamurakare 2f23b30624 added a property to set a track image to slider ios
Summary: this change will allow the slider to have different track images.

Sets an image for the sliderIOS's track. It only supports images that are included as assets.
Closes https://github.com/facebook/react-native/pull/3850

Reviewed By: svcscm

Differential Revision: D2659680

Pulled By: nicklockwood

fb-gh-sync-id: faf6ddea1077b081c1fc05f8f110b669cef9902c
2015-11-17 08:45:30 -08:00

51 lines
1.2 KiB
Objective-C

/**
* 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"
@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;
UIImage *minimumTrackImage = [trackImage resizableImageWithCapInsets:(UIEdgeInsets){0, width, 0, 0}];
UIImage *maximumTrackImage = [trackImage resizableImageWithCapInsets:(UIEdgeInsets){0, 0, 0, width}];
[super setMinimumTrackImage:minimumTrackImage forState:UIControlStateNormal];
[super setMaximumTrackImage:maximumTrackImage forState:UIControlStateNormal];
}
}
@end