91 lines
2.7 KiB
Swift
91 lines
2.7 KiB
Swift
//
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// Control.swift
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// PrivadoVPN
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//
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// Created by Murad Shabanov on 05.08.2021.
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// Copyright © 2021 Privado LLC. All rights reserved.
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//
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import Cocoa
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class Control: NSControl {
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var hover: ((Bool) -> Void)?
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private let hoverLayer = CAShapeLayer()
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private let hoverColor: NSColor
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private let hoverAnimationDuration: TimeInterval
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private var trackingArea: NSTrackingArea?
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init(with configuration: Configuration) {
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self.hoverColor = configuration.menuItemHoverBackgroundColor
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self.hoverAnimationDuration = configuration.menuItemHoverAnimationDuration
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super.init(frame: .zero)
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wantsLayer = true
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hoverLayer.fillColor = .clear
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layer?.addSublayer(hoverLayer)
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}
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required init?(coder: NSCoder) {
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fatalError("init(coder:) has not been implemented")
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}
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override func layout() {
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super.layout()
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hoverLayer.path = CGPath(rect: bounds, transform: nil)
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if let trackingArea = trackingArea, trackingAreas.contains(trackingArea) {
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removeTrackingArea(trackingArea)
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}
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createTrackingArea()
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}
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private func createTrackingArea() {
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let newTrackingArea = NSTrackingArea.init(rect: bounds, options: [.mouseEnteredAndExited, .activeInActiveApp], owner: self, userInfo: nil)
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addTrackingArea(newTrackingArea)
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trackingArea = newTrackingArea
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}
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override func mouseUp(with event: NSEvent) {
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guard isEnabled else { return }
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if let action = action {
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hoverLayer.fillColor = .clear
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hover?(false)
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DispatchQueue.main.asyncAfter(deadline: .now() + 0.15) {
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NSApp.sendAction(action, to: self.target, from: self)
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}
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}
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}
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override func mouseEntered(with event: NSEvent) {
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guard isEnabled else { return }
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animateFillColor(from: .clear, to: hoverColor)
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hover?(true)
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}
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override func mouseExited(with event: NSEvent) {
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guard isEnabled else { return }
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animateFillColor(from: hoverColor, to: .clear)
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hover?(false)
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}
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override func draw(_ dirtyRect: NSRect) {
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NSColor.clear.setFill()
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NSBezierPath(rect: bounds).fill()
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}
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private func animateFillColor(from oldColor: NSColor, to newColor: NSColor) {
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let animation = CABasicAnimation(keyPath: "fillColor")
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animation.duration = hoverAnimationDuration
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animation.fromValue = oldColor.cgColor
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animation.toValue = newColor.cgColor
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animation.fillMode = .both
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animation.timingFunction = .easeInEaseOut
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animation.isRemovedOnCompletion = false
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hoverLayer.add(animation, forKey: "fillColor")
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}
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}
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