133 lines
3.1 KiB
Swift
133 lines
3.1 KiB
Swift
//
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// NavigationProgressView.swift
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// KYNavigationProgress
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//
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// Created by kyo__hei on 2015/12/29.
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// Copyright (c) 2015 kyo__hei. All rights reserved.
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//
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// Original project: https://github.com/ykyouhei/KYNavigationProgress
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import UIKit
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public final class NavigationProgressView: UIView {
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/* ====================================================================== */
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// MARK: - Properties
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/* ====================================================================== */
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internal var progress: Float = 0 {
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didSet {
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progress = min(1, progress)
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barWidthConstraint.constant = bounds.width * CGFloat(progress)
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}
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}
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internal let bar = UIView()
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@objc public dynamic var progressTintColor: UIColor? = AppAssets.netNewsWireBlueColor {
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didSet {
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bar.backgroundColor = progressTintColor
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}
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}
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@objc public dynamic var trackTintColor: UIColor? = .clear {
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didSet {
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backgroundColor = trackTintColor
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}
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}
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fileprivate let barWidthConstraint: NSLayoutConstraint
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override public var frame: CGRect {
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didSet {
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let tmpProgress = progress
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progress = tmpProgress
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}
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}
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/* ====================================================================== */
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// MARK: - initializer
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/* ====================================================================== */
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required public init?(coder aDecoder: NSCoder) {
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fatalError("init(coder:) has not been implemented")
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}
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override init(frame: CGRect) {
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barWidthConstraint = NSLayoutConstraint(
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item: bar,
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attribute: .width,
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relatedBy: .equal,
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toItem: nil,
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attribute: .notAnAttribute,
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multiplier: 1,
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constant: frame.width * CGFloat(progress))
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super.init(frame: frame)
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let leftConstraint = NSLayoutConstraint(
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item: bar,
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attribute: .left,
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relatedBy: .equal,
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toItem: self,
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attribute: .left,
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multiplier: 1,
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constant: 0)
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let bottomConstraint = NSLayoutConstraint(
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item: bar,
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attribute: .bottom,
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relatedBy: .equal,
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toItem: self,
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attribute: .bottom,
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multiplier: 1,
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constant: 0)
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let topConstraint = NSLayoutConstraint(
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item: bar,
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attribute: .top,
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relatedBy: .equal,
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toItem: self,
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attribute: .top,
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multiplier: 1,
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constant: 0)
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addSubview(bar)
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backgroundColor = trackTintColor
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bar.backgroundColor = progressTintColor
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bar.translatesAutoresizingMaskIntoConstraints = false
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addConstraints([
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barWidthConstraint,
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leftConstraint,
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topConstraint,
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bottomConstraint])
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}
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/* ====================================================================== */
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// MARK: - Notification
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/* ====================================================================== */
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func deviceDidRotate(_ notification: Notification) {
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}
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/* ====================================================================== */
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// MARK: - Method
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/* ====================================================================== */
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internal func setProgress(_ progress: Float, animated: Bool) {
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let duration: TimeInterval = animated ? 0.1 : 0
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self.progress = progress
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UIView.animate(withDuration: duration, animations: {
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self.layoutIfNeeded()
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})
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}
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}
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