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Merge pull request #3438 from low-batt/motion
Closes support Reduce motion preference, #3437
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| @@ -0,0 +1,39 @@ | ||
| // | ||
| // AccessibilityPreference.swift | ||
| // iina | ||
| // | ||
| // Created by low-batt on 6/26/21. | ||
| // Copyright © 2021 lhc. All rights reserved. | ||
| // | ||
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| import Foundation | ||
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| struct AccessibilityPreferences { | ||
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| /// Adjusts an animation to be instantaneous if the macOS System Preference Reduce motion is enabled. | ||
| /// - Parameter duration: Desired animation duration. | ||
| /// - Returns: `0` if reduce motion is enabled; otherwise the given duration. | ||
| static func adjustedDuration(_ duration: TimeInterval) -> TimeInterval { | ||
| return motionReductionEnabled ? 0 : duration | ||
| } | ||
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| /// Reflects whether the macOS System Preference accessibility option to retuce motion is in an enabled state. | ||
| /// | ||
| /// This property provides a wrapper around the `NSWorkspace` property so that code that needs to check this preference setting | ||
| /// does not need to concern itself with this preference not being available until macOS Sierra. | ||
| /// | ||
| /// Proper handling of the Reduce motion preference setting is covered in the | ||
| /// [Apple Human Interface Guidelines under Appearance Effects and Motion](https://developer.apple.com/design/human-interface-guidelines/accessibility/overview/appearance-effects/). | ||
| /// | ||
| /// To change this preference, choose Apple menu > System Preferences, click Accessibility, click Display, then click Display and | ||
| /// check or uncheck Reduce motion. | ||
| /// | ||
| /// - Returns: `true` if reduce motion is enabled; otherwise `false`. | ||
| static var motionReductionEnabled: Bool { | ||
| if #available(macOS 10.12, *) { | ||
| return NSWorkspace.shared.accessibilityDisplayShouldReduceMotion | ||
| } else { | ||
| return false | ||
| } | ||
| } | ||
| } |
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