james.maes
c19d6b2cad
- HudState enum (5 cases) with verbatim UI-SPEC Surface 3 VoiceOver labels - BrandColor.arcReactorGlow: #1E88E5@85% light / #64B5F6@90% dark with Increase Contrast fallback to controlAccentColor - CAAnimationFactory with makeBreath/makeRotate/makeShimmer/makeGlow/makeStateCrossfade, each Reduce Motion-guarded - 22×22pt arc-reactor silhouette placeholder PDF (outer 18pt ring + mid 12pt ring + filled 4pt core + six 60° spokes) via Core Graphics - Icon-MenuBar-Template.imageset Contents.json pointed at the PDF with template-rendering-intent=template and preserves-vector-representation=true
70 lines
2.6 KiB
Swift
70 lines
2.6 KiB
Swift
import AppKit
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import QuartzCore
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/// Pure helpers returning `CABasicAnimation`/`CAKeyframeAnimation` instances for the five
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/// menu-bar `HudState` animations. Each helper consults
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/// `NSWorkspace.shared.accessibilityDisplayShouldReduceMotion` and returns `nil` when Reduce
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/// Motion is active — callers are responsible for the static fallback (UI-SPEC Surface 3
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/// Reduce Motion fallback, lines 400-404).
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///
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/// Reference shapes: RESEARCH.md §Question 7 lines 818-858.
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@MainActor
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public enum CAAnimationFactory {
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/// Listening: breathing pulse ~0.8 Hz, scale 1.0 ↔ 1.04, sine ease.
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public static func makeBreath() -> CABasicAnimation? {
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if NSWorkspace.shared.accessibilityDisplayShouldReduceMotion { return nil }
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let a = CABasicAnimation(keyPath: "transform.scale")
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a.fromValue = 1.0
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a.toValue = 1.04
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a.duration = 0.625
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a.autoreverses = true
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a.repeatCount = .infinity
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a.timingFunction = CAMediaTimingFunction(name: .easeInEaseOut)
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return a
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}
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/// Thinking: inner-ring rotation, 1.5 s period, linear.
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public static func makeRotate() -> CABasicAnimation? {
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if NSWorkspace.shared.accessibilityDisplayShouldReduceMotion { return nil }
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let a = CABasicAnimation(keyPath: "transform.rotation.z")
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a.fromValue = 0
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a.toValue = 2 * CGFloat.pi
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a.duration = 1.5
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a.repeatCount = .infinity
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a.timingFunction = CAMediaTimingFunction(name: .linear)
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return a
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}
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/// Speaking: opacity shimmer, 900ms period, ease-in-out.
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public static func makeShimmer() -> CAKeyframeAnimation? {
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if NSWorkspace.shared.accessibilityDisplayShouldReduceMotion { return nil }
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let a = CAKeyframeAnimation(keyPath: "opacity")
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a.values = [1.0, 0.65, 1.0]
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a.keyTimes = [0.0, 0.5, 1.0]
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a.duration = 0.9
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a.repeatCount = .infinity
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return a
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}
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/// AwaitingConfirmation: opacity glow, ~1 Hz, ease-in-out, higher amplitude than breath.
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public static func makeGlow() -> CABasicAnimation? {
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if NSWorkspace.shared.accessibilityDisplayShouldReduceMotion { return nil }
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let a = CABasicAnimation(keyPath: "opacity")
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a.fromValue = 1.0
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a.toValue = 0.55
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a.duration = 0.5
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a.autoreverses = true
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a.repeatCount = .infinity
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a.timingFunction = CAMediaTimingFunction(name: .easeInEaseOut)
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return a
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}
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/// 150ms crossfade between state animations (UI-SPEC Surface 3 transition spec).
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public static func makeStateCrossfade() -> CATransition {
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let t = CATransition()
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t.type = .fade
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t.duration = 0.15
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return t
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}
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}
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