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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. // 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 @Clamping(range: 0...1) var screenBrightness: CGFloat
@ -16,38 +16,36 @@ class ScreenBrightnessModifierBehavior: PageVisibilityBehavior {
//MARK:- PageVisibilityBehavior //MARK:- PageVisibilityBehavior
func onPageShown() { public func onPageShown() {
changeScreenBrightness() changeScreenBrightness()
} }
func onPageHidden() { public func onPageHidden() {
restoreScreenBrightness() restoreScreenBrightness()
} }
//MARK:- Behavior //MARK:- Behavior
func changeScreenBrightness() { func changeScreenBrightness() {
if originalScreenBrightness == nil { if originalScreenBrightness != nil { return }
originalScreenBrightness = UIScreen.main.brightness originalScreenBrightness = UIScreen.main.brightness
UIScreen.main.brightness = screenBrightness UIScreen.main.brightness = screenBrightness
NotificationCenter.default.addObserver(self, selector: #selector(didEnterBackground), name: UIApplication.willResignActiveNotification, object: nil) NotificationCenter.default.addObserver(self, selector: #selector(willResignActive), name: UIApplication.willResignActiveNotification, object: nil)
}
} }
func restoreScreenBrightness() { func restoreScreenBrightness() {
if let originalScreenBrightness = originalScreenBrightness { guard let originalScreenBrightness = originalScreenBrightness else { return }
UIScreen.main.brightness = originalScreenBrightness UIScreen.main.brightness = originalScreenBrightness
self.originalScreenBrightness = nil self.originalScreenBrightness = nil
NotificationCenter.default.removeObserver(self, name: UIApplication.willResignActiveNotification, object: nil) NotificationCenter.default.removeObserver(self, name: UIApplication.willResignActiveNotification, object: nil)
}
} }
@objc func didEnterBackground() { @objc func willResignActive() {
restoreScreenBrightness() 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) NotificationCenter.default.removeObserver(self, name: UIApplication.didBecomeActiveNotification, object: nil)
changeScreenBrightness() changeScreenBrightness()
} }