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This commit is contained in:
Kyle Matthew Hedden 2020-05-12 16:06:22 -04:00
parent a19003f240
commit b4f8e42817
1 changed files with 15 additions and 17 deletions
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32
MVMCoreUI/Behaviors/ScreenBrightnessModifierBehavior.swift
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@ -6,9 +6,9 @@
// Copyright © 2020 Verizon Wireless. All rights reserved.
//
class ScreenBrightnessModifierBehavior: PageVisibilityBehavior {
public class ScreenBrightnessModifierBehavior: PageVisibilityBehavior {
static var identifier = "screenBrightnessModifier"
public static var identifier = "screenBrightnessModifier"
@Clamping(range: 0...1) var screenBrightness: CGFloat
@ -16,38 +16,36 @@ class ScreenBrightnessModifierBehavior: PageVisibilityBehavior {
//MARK:- PageVisibilityBehavior
func onPageShown() {
public func onPageShown() {
changeScreenBrightness()
}
func onPageHidden() {
public func onPageHidden() {
restoreScreenBrightness()
}
//MARK:- Behavior
func changeScreenBrightness() {
if originalScreenBrightness == nil {
originalScreenBrightness = UIScreen.main.brightness
UIScreen.main.brightness = screenBrightness
NotificationCenter.default.addObserver(self, selector: #selector(didEnterBackground), name: UIApplication.willResignActiveNotification, object: nil)
}
if originalScreenBrightness != nil { return }
originalScreenBrightness = UIScreen.main.brightness
UIScreen.main.brightness = screenBrightness
NotificationCenter.default.addObserver(self, selector: #selector(willResignActive), name: UIApplication.willResignActiveNotification, object: nil)
}
func restoreScreenBrightness() {
if let originalScreenBrightness = originalScreenBrightness {
UIScreen.main.brightness = originalScreenBrightness
self.originalScreenBrightness = nil
NotificationCenter.default.removeObserver(self, name: UIApplication.willResignActiveNotification, object: nil)
}
guard let originalScreenBrightness = originalScreenBrightness else { return }
UIScreen.main.brightness = originalScreenBrightness
self.originalScreenBrightness = nil
NotificationCenter.default.removeObserver(self, name: UIApplication.willResignActiveNotification, object: nil)
}
@objc func didEnterBackground() {
@objc func willResignActive() {
restoreScreenBrightness()
NotificationCenter.default.addObserver(self, selector: #selector(didEnterForeground), name: UIApplication.didBecomeActiveNotification, object: nil)
NotificationCenter.default.addObserver(self, selector: #selector(didBecomeActive), name: UIApplication.didBecomeActiveNotification, object: nil)
}
@objc func didEnterForeground() {
@objc func didBecomeActive() {
NotificationCenter.default.removeObserver(self, name: UIApplication.didBecomeActiveNotification, object: nil)
changeScreenBrightness()
}