76 lines
2.4 KiB
Swift
76 lines
2.4 KiB
Swift
//
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// EKAttributes+Scroll.swift
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// SwiftEntryKit
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//
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// Created by Daniel Huri on 4/30/18.
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//
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import Foundation
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import CoreGraphics
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public extension EKAttributes {
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/** Describes the event of scroll user interaction */
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enum Scroll {
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/** Describes the event when the user leaves the entry after rubber-banding it - How the entry behaves */
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public struct PullbackAnimation {
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public var duration: TimeInterval
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public var damping: CGFloat
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public var initialSpringVelocity: CGFloat
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public init(duration: TimeInterval, damping: CGFloat, initialSpringVelocity: CGFloat) {
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self.duration = duration
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self.damping = damping
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self.initialSpringVelocity = initialSpringVelocity
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}
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/** The entry is jolted when it's pulled back into the original position */
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public static var jolt: PullbackAnimation {
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return PullbackAnimation(duration: 0.5, damping: 0.3, initialSpringVelocity: 10)
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}
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/** The view eases out when it's pulled back into the original position */
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public static var easeOut: PullbackAnimation {
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return PullbackAnimation(duration: 0.3, damping: 1, initialSpringVelocity: 10)
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}
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}
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/** The scroll ability is totally disabled */
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case disabled
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/** The scroll in the opposite direction to the edge is disabled */
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case edgeCrossingDisabled(swipeable: Bool)
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/** The scroll abiliby is enabled */
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case enabled(swipeable: Bool, pullbackAnimation: PullbackAnimation)
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var isEnabled: Bool {
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switch self {
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case .disabled:
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return false
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default:
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return true
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}
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}
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var isSwipeable: Bool {
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switch self {
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case .edgeCrossingDisabled(swipeable: let swipeable), .enabled(swipeable: let swipeable, pullbackAnimation: _):
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return swipeable
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default:
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return false
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}
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}
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var isEdgeCrossingEnabled: Bool {
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switch self {
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case .edgeCrossingDisabled:
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return false
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default:
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return true
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}
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}
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}
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}
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