40 lines
1.1 KiB
Swift
40 lines
1.1 KiB
Swift
//
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// Swiftfin is subject to the terms of the Mozilla Public
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// License, v2.0. If a copy of the MPL was not distributed with this
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// file, you can obtain one at https://mozilla.org/MPL/2.0/.
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//
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// Copyright (c) 2022 Jellyfin & Jellyfin Contributors
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//
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import UIKit.UIGestureRecognizerSubclass
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enum PanDirection {
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case vertical
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case horizontal
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}
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class PanDirectionGestureRecognizer: UIPanGestureRecognizer {
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let direction: PanDirection
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init(direction: PanDirection, target: AnyObject, action: Selector) {
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self.direction = direction
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super.init(target: target, action: action)
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}
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override func touchesMoved(_ touches: Set<UITouch>, with event: UIEvent) {
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super.touchesMoved(touches, with: event)
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if state == .began {
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let vel = velocity(in: view)
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switch direction {
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case .horizontal where abs(vel.y) > abs(vel.x):
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state = .cancelled
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case .vertical where abs(vel.x) > abs(vel.y):
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state = .cancelled
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default:
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break
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}
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}
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}
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}
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