52 lines
1.4 KiB
Swift
52 lines
1.4 KiB
Swift
//
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// UIImageView+Rx.swift
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// RxCocoa
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//
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// Created by Krunoslav Zaher on 4/1/15.
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// Copyright © 2015 Krunoslav Zaher. All rights reserved.
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//
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#if os(iOS) || os(tvOS)
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import Foundation
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#if !RX_NO_MODULE
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import RxSwift
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#endif
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import UIKit
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extension UIImageView {
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/**
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Bindable sink for `image` property.
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*/
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public var rx_image: AnyObserver<UIImage?> {
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return self.rx_imageAnimated(nil)
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}
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/**
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Bindable sink for `image` property.
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- parameter transitionType: Optional transition type while setting the image (kCATransitionFade, kCATransitionMoveIn, ...)
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*/
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public func rx_imageAnimated(transitionType: String?) -> AnyObserver<UIImage?> {
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return UIBindingObserver(UIElement: self) { imageView, image in
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if let transitionType = transitionType {
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if image != nil {
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let transition = CATransition()
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transition.duration = 0.25
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transition.timingFunction = CAMediaTimingFunction(name: kCAMediaTimingFunctionEaseInEaseOut)
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transition.type = transitionType
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imageView.layer.addAnimation(transition, forKey: kCATransition)
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}
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}
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else {
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imageView.layer.removeAllAnimations()
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}
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imageView.image = image
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}.asObserver()
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}
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}
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#endif
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