99 lines
2.4 KiB
Swift
99 lines
2.4 KiB
Swift
//
|
|
// MasterTimelineAvatarView.swift
|
|
// NetNewsWire-iOS
|
|
//
|
|
// Created by Maurice Parker on 9/17/19.
|
|
// Copyright © 2019 Ranchero Software. All rights reserved.
|
|
//
|
|
|
|
import UIKit
|
|
|
|
final class MasterTimelineAvatarView: UIView {
|
|
|
|
var image: UIImage? = nil {
|
|
didSet {
|
|
if image !== oldValue {
|
|
imageView.image = image
|
|
setNeedsLayout()
|
|
}
|
|
}
|
|
}
|
|
|
|
private let imageView: UIImageView = {
|
|
let imageView = NonIntrinsicImageView(image: AppAssets.faviconTemplateImage)
|
|
imageView.contentMode = .scaleAspectFit
|
|
imageView.clipsToBounds = true
|
|
imageView.layer.cornerRadius = 2.0
|
|
return imageView
|
|
}()
|
|
|
|
private var hasExposedVerticalBackground: Bool {
|
|
return imageView.frame.size.height < bounds.size.height
|
|
}
|
|
|
|
override init(frame: CGRect) {
|
|
super.init(frame: frame)
|
|
commonInit()
|
|
}
|
|
|
|
required init?(coder: NSCoder) {
|
|
super.init(coder: coder)
|
|
commonInit()
|
|
}
|
|
|
|
convenience init() {
|
|
self.init(frame: .zero)
|
|
}
|
|
|
|
override func didMoveToSuperview() {
|
|
setNeedsLayout()
|
|
}
|
|
|
|
override func layoutSubviews() {
|
|
imageView.setFrameIfNotEqual(rectForImageView())
|
|
if hasExposedVerticalBackground {
|
|
backgroundColor = AppAssets.avatarBackgroundColor
|
|
} else {
|
|
backgroundColor = nil
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
private extension MasterTimelineAvatarView {
|
|
|
|
func commonInit() {
|
|
addSubview(imageView)
|
|
}
|
|
|
|
func rectForImageView() -> CGRect {
|
|
guard let image = image else {
|
|
return CGRect.zero
|
|
}
|
|
|
|
let imageSize = image.size
|
|
let viewSize = bounds.size
|
|
if imageSize.height == imageSize.width {
|
|
if imageSize.height >= viewSize.height * 0.75 {
|
|
// Close enough to viewSize to scale up the image.
|
|
return CGRect(x: 0.0, y: 0.0, width: viewSize.width, height: viewSize.height)
|
|
}
|
|
let offset = floor((viewSize.height - imageSize.height) / 2.0)
|
|
return CGRect(x: offset, y: offset, width: imageSize.width, height: imageSize.height)
|
|
}
|
|
else if imageSize.height > imageSize.width {
|
|
let factor = viewSize.height / imageSize.height
|
|
let width = imageSize.width * factor
|
|
let originX = floor((viewSize.width - width) / 2.0)
|
|
return CGRect(x: originX, y: 0.0, width: width, height: viewSize.height)
|
|
}
|
|
|
|
// Wider than tall: imageSize.width > imageSize.height
|
|
let factor = viewSize.width / imageSize.width
|
|
let height = imageSize.height * factor
|
|
let originY = floor((viewSize.height - height) / 2.0)
|
|
return CGRect(x: 0.0, y: originY, width: viewSize.width, height: height)
|
|
}
|
|
|
|
}
|