element-ios/Riot/Modules/Room/Views/InputToolbar/RoomActionsBar.swift

124 lines
3.7 KiB
Swift

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