react-native/React/Views/RCTSliderManager.m

59 lines
1.6 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 "RCTSliderManager.h"
#import "RCTBridge.h"
#import "RCTEventDispatcher.h"
#import "RCTSlider.h"
#import "UIView+React.h"
@implementation RCTSliderManager
RCT_EXPORT_MODULE()
- (UIView *)view
{
RCTSlider *slider = [RCTSlider new];
[slider addTarget:self action:@selector(sliderValueChanged:) forControlEvents:UIControlEventValueChanged];
[slider addTarget:self action:@selector(sliderTouchEnd:) forControlEvents:(UIControlEventTouchUpInside |
UIControlEventTouchUpOutside |
UIControlEventTouchCancel)];
return slider;
}
static void RCTSendSliderEvent(RCTSlider *sender, BOOL continuous)
{
if (sender.onChange) {
sender.onChange(@{
@"value": @(sender.value),
@"continuous": @(continuous),
});
}
}
- (void)sliderValueChanged:(RCTSlider *)sender
{
RCTSendSliderEvent(sender, YES);
}
- (void)sliderTouchEnd:(RCTSlider *)sender
{
RCTSendSliderEvent(sender, NO);
}
RCT_EXPORT_VIEW_PROPERTY(value, float);
RCT_EXPORT_VIEW_PROPERTY(minimumValue, float);
RCT_EXPORT_VIEW_PROPERTY(maximumValue, float);
RCT_EXPORT_VIEW_PROPERTY(minimumTrackTintColor, UIColor);
RCT_EXPORT_VIEW_PROPERTY(maximumTrackTintColor, UIColor);
RCT_EXPORT_VIEW_PROPERTY(onChange, RCTBubblingEventBlock);
@end