Gifu/gifu/UIImageView+Gifu.swift

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Swift
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import UIKit
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public extension UIImageView {
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// MARK: - Computed Properties
var animatableImage: AnimatedImage? {
if image is AnimatedImage {
return image as? AnimatedImage
} else {
return nil
}
}
var isAnimatingGIF: Bool {
return animatableImage?.isAnimating() ?? isAnimating()
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}
var animatable: Bool {
return animatableImage != nil
}
// MARK: - Method Overrides
override public func displayLayer(layer: CALayer!) {
if let image = animatableImage {
if let frame = image.currentFrame {
layer.contents = frame.CGImage
}
}
}
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// MARK: - Setter Methods
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func setAnimatableImage(named name: String) {
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image = AnimatedImage.imageWithName(name, delegate: self)
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layer.setNeedsDisplay()
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}
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func setAnimatableImage(#data: NSData) {
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image = AnimatedImage.imageWithData(data, delegate: self)
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layer.setNeedsDisplay()
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}
// MARK: - Animation
func startAnimatingGIF() {
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if animatable {
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animatableImage!.resumeAnimation()
} else {
startAnimating()
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}
}
func stopAnimatingGIF() {
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if animatable {
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animatableImage!.pauseAnimation()
} else {
stopAnimating()
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}
}
}