mirror of https://github.com/oxen-io/session-ios
wip: carousel view
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fbc2eb35ec
commit
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// Copyright © 2023 Rangeproof Pty Ltd. All rights reserved.
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import Foundation
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final class SessionCarouselView: UIView {
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private let slices: [UIView]
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private let sliceSize: CGSize
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// MARK: - Settings
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public var showPageControl: Bool = true {
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didSet {
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self.pageControl.isHidden = !showPageControl
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}
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}
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// MARK: - UI
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private lazy var scrollView: UIScrollView = {
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let result: UIScrollView = UIScrollView()
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result.isPagingEnabled = true
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result.showsHorizontalScrollIndicator = false
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result.showsVerticalScrollIndicator = false
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result.contentSize = CGSize(
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width: self.sliceSize.width * CGFloat(self.slices.count),
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height: self.sliceSize.height
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)
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return result
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}()
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private lazy var pageControl: UIPageControl = {
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let result: UIPageControl = UIPageControl()
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result.numberOfPages = self.slices.count
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return result
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}()
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// MARK: - Lifecycle
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init(slices: [UIView], sliceSize: CGSize) {
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self.slices = slices
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self.sliceSize = sliceSize
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super.init(frame: CGRect.zero)
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setUpViewHierarchy()
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}
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override init(frame: CGRect) {
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preconditionFailure("Use init(attachment:) instead.")
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}
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required init?(coder: NSCoder) {
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preconditionFailure("Use init(attachment:) instead.")
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}
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private func setUpViewHierarchy() {
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let stackView: UIStackView = UIStackView(arrangedSubviews: self.slices)
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stackView.axis = .horizontal
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stackView.set(.width, to: self.sliceSize.width * CGFloat(self.slices.count))
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stackView.set(.height, to: self.sliceSize.height)
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addSubview(self.scrollView)
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scrollView.pin(to: self)
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scrollView.addSubview(stackView)
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addSubview(self.pageControl)
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self.pageControl.center(.horizontal, in: self)
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self.pageControl.pin(.bottom, to: .bottom, of: self)
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}
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}
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