143 lines
3.4 KiB
Swift
143 lines
3.4 KiB
Swift
//
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// SidebarStatusBarView.swift
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// NetNewsWire
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//
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// Created by Brent Simmons on 9/17/16.
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// Copyright © 2016 Ranchero Software, LLC. All rights reserved.
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//
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import AppKit
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import Articles
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import Web
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import Account
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import Core
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final class SidebarStatusBarView: NSView {
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@IBOutlet var progressIndicator: NSProgressIndicator!
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@IBOutlet var progressLabel: NSTextField!
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@IBOutlet var bottomConstraint: NSLayoutConstraint!
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@IBOutlet var heightConstraint: NSLayoutConstraint!
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private var isAnimatingProgress = false
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private var progress: CombinedRefreshProgress? = nil {
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didSet {
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CoalescingQueue.standard.add(self, #selector(updateUI))
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}
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}
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override var isFlipped: Bool {
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return true
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}
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override func awakeFromNib() {
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progressIndicator.isHidden = true
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progressLabel.isHidden = true
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let progressLabelFontSize = progressLabel.font?.pointSize ?? 13.0
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progressLabel.font = NSFont.monospacedDigitSystemFont(ofSize: progressLabelFontSize, weight: NSFont.Weight.regular)
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progressLabel.stringValue = ""
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NotificationCenter.default.addObserver(self, selector: #selector(progressDidChange(_:)), name: .AccountRefreshProgressDidChange, object: nil)
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}
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@objc func updateUI() {
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guard let progress = progress else {
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stopProgressIfNeeded()
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return
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}
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updateProgressIndicator(progress)
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updateProgressLabel(progress)
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}
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// MARK: Notifications
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@objc dynamic func progressDidChange(_ notification: Notification) {
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progress = AccountManager.shared.combinedRefreshProgress
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}
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}
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private extension SidebarStatusBarView {
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// MARK: Progress
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static let animationDuration = 0.2
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func stopProgressIfNeeded() {
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if !isAnimatingProgress {
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return
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}
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isAnimatingProgress = false
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self.progressIndicator.stopAnimation(self)
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progressIndicator.isHidden = true
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progressLabel.isHidden = true
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superview?.layoutSubtreeIfNeeded()
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NSAnimationContext.runAnimationGroup{ (context) in
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context.duration = SidebarStatusBarView.animationDuration
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context.allowsImplicitAnimation = true
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bottomConstraint.constant = -(heightConstraint.constant)
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superview?.layoutSubtreeIfNeeded()
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}
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}
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func startProgressIfNeeded() {
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if isAnimatingProgress {
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return
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}
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isAnimatingProgress = true
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progressIndicator.isHidden = false
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progressLabel.isHidden = false
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progressIndicator.startAnimation(self)
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superview?.layoutSubtreeIfNeeded()
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NSAnimationContext.runAnimationGroup{ (context) in
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context.duration = SidebarStatusBarView.animationDuration
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context.allowsImplicitAnimation = true
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bottomConstraint.constant = 0
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superview?.layoutSubtreeIfNeeded()
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}
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}
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func updateProgressIndicator(_ progress: CombinedRefreshProgress) {
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if progress.isComplete {
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stopProgressIfNeeded()
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return
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}
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startProgressIfNeeded()
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let maxValue = Double(progress.numberOfTasks)
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if progressIndicator.maxValue != maxValue {
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progressIndicator.maxValue = maxValue
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}
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let doubleValue = Double(progress.numberCompleted)
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if progressIndicator.doubleValue != doubleValue {
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progressIndicator.doubleValue = doubleValue
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}
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}
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func updateProgressLabel(_ progress: CombinedRefreshProgress) {
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if progress.isComplete {
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progressLabel.stringValue = ""
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return
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}
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let formatString = NSLocalizedString("%@ of %@", comment: "Status bar progress")
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let s = NSString(format: formatString as NSString, NSNumber(value: progress.numberCompleted), NSNumber(value: progress.numberOfTasks))
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progressLabel.stringValue = s as String
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}
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}
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