124 lines
3.7 KiB
Swift
124 lines
3.7 KiB
Swift
//
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// Copyright 2021-2024 New Vector Ltd.
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//
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// SPDX-License-Identifier: AGPL-3.0-only
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// Please see LICENSE in the repository root for full details.
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//
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import UIKit
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@objcMembers
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class RoomActionsBar: UIScrollView, Themable {
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// MARK: - Properties
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var itemSpacing: CGFloat = 20 {
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didSet {
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self.setNeedsLayout()
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}
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}
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var actionItems: [RoomActionItem] = [] {
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didSet {
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var actionButtons: [UIButton] = []
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for (index, item) in actionItems.enumerated() {
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let button = UIButton(type: .custom)
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button.setImage(item.image, for: .normal)
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button.addTarget(self, action: #selector(buttonAction(_:)), for: .touchUpInside)
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button.tintColor = ThemeService.shared().theme.tintColor
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button.tag = index
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actionButtons.append(button)
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addSubview(button)
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}
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self.actionButtons = actionButtons
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self.lastBounds = .zero
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self.setNeedsLayout()
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}
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}
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private var actionButtons: [UIButton] = [] {
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willSet {
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for button in actionButtons {
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button.removeFromSuperview()
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}
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}
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}
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private var lastBounds = CGRect.zero
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// MARK: - Lifecycle
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override init(frame: CGRect) {
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super.init(frame: frame)
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setupView()
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}
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required init?(coder: NSCoder) {
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super.init(coder: coder)
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setupView()
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}
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override func layoutSubviews() {
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super.layoutSubviews()
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guard lastBounds != self.bounds else {
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return
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}
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lastBounds = self.bounds
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var currentX: CGFloat = 0
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for button in actionButtons {
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button.transform = CGAffineTransform.identity
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button.frame = CGRect(x: currentX, y: 0, width: self.bounds.height, height: self.bounds.height)
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currentX = button.frame.maxX + itemSpacing
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}
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self.contentSize = CGSize(width: currentX - itemSpacing, height: self.bounds.height)
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}
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// MARK: - Themable
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func update(theme: Theme) {
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for button in actionButtons {
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button.tintColor = theme.tintColor
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}
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}
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// MARK: - Business methods
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func animate(showIn: Bool, completion: ((Bool) -> Void)? = nil) {
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if showIn {
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for button in actionButtons {
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button.transform = CGAffineTransform(translationX: 0, y: self.bounds.height)
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}
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for (index, button) in actionButtons.enumerated() {
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UIView.animate(withDuration: 0.3, delay: 0.05 * Double(index), usingSpringWithDamping: 0.45, initialSpringVelocity: 11, options: .curveEaseInOut) {
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button.transform = CGAffineTransform.identity
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} completion: { (finished) in
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completion?(finished)
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}
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}
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} else {
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for (index, button) in actionButtons.enumerated() {
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UIView.animate(withDuration: 0.25, delay: 0.05 * Double(index), options: .curveEaseInOut) {
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button.transform = CGAffineTransform(translationX: 0, y: self.bounds.height)
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} completion: { (finished) in
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if index == self.actionButtons.count - 1 {
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completion?(finished)
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}
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}
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}
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}
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}
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// MARK: - Private methods
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@objc private func buttonAction(_ sender: UIButton) {
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actionItems[sender.tag].action()
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}
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private func setupView() {
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self.showsHorizontalScrollIndicator = false
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}
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}
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