react-native/React/Views/RCTSliderManager.m

58 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 alloc] init];
[slider addTarget:self action:@selector(sliderValueChanged:) forControlEvents:UIControlEventValueChanged];
[slider addTarget:self action:@selector(sliderTouchEnd:) forControlEvents:UIControlEventTouchUpInside];
[slider addTarget:self action:@selector(sliderTouchEnd:) forControlEvents:UIControlEventTouchUpOutside];
return slider;
}
static void RCTSendSliderEvent(RCTSliderManager *self, UISlider *sender, BOOL continuous)
{
NSDictionary *event = @{
@"target": sender.reactTag,
@"value": @(sender.value),
@"continuous": @(continuous),
};
[self.bridge.eventDispatcher sendInputEventWithName:@"topChange" body:event];
}
- (void)sliderValueChanged:(UISlider *)sender
{
RCTSendSliderEvent(self, sender, YES);
}
- (void)sliderTouchEnd:(UISlider *)sender
{
RCTSendSliderEvent(self, 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);
@end