mirror of https://github.com/oxen-io/session-ios
clean
ryanzhao
3 years ago
parent
ae5d0b0024
commit
3d24c1526e
@ -0,0 +1,3 @@
|
|||||||
|
// Copyright © 2022 Rangeproof Pty Ltd. All rights reserved.
|
||||||
|
|
||||||
|
import Foundation
|
||||||
@ -1,365 +0,0 @@
|
|||||||
import UIKit
|
|
||||||
import SessionUIKit
|
|
||||||
|
|
||||||
final class NewConversationButtonSet : UIView {
|
|
||||||
private var isUserDragging = false
|
|
||||||
private var horizontalButtonConstraints: [NewConversationButton:NSLayoutConstraint] = [:]
|
|
||||||
private var verticalButtonConstraints: [NewConversationButton:NSLayoutConstraint] = [:]
|
|
||||||
private var expandedButton: NewConversationButton?
|
|
||||||
var delegate: NewConversationButtonSetDelegate?
|
|
||||||
|
|
||||||
// MARK: Settings
|
|
||||||
private let spacing = Values.veryLargeSpacing
|
|
||||||
private let iconSize = CGFloat(24)
|
|
||||||
private let maxDragDistance = CGFloat(56)
|
|
||||||
private let dragMargin = CGFloat(16)
|
|
||||||
static let collapsedButtonSize = CGFloat(60)
|
|
||||||
static let expandedButtonSize = CGFloat(72)
|
|
||||||
|
|
||||||
// MARK: Components
|
|
||||||
private lazy var mainButton = NewConversationButton(isMainButton: true, icon: #imageLiteral(resourceName: "Plus").scaled(to: CGSize(width: iconSize, height: iconSize)))
|
|
||||||
private lazy var newDMButton = NewConversationButton(isMainButton: false, icon: #imageLiteral(resourceName: "Message").scaled(to: CGSize(width: iconSize, height: iconSize)))
|
|
||||||
private lazy var createClosedGroupButton = NewConversationButton(isMainButton: false, icon: #imageLiteral(resourceName: "Group").scaled(to: CGSize(width: iconSize, height: iconSize)))
|
|
||||||
private lazy var joinOpenGroupButton = NewConversationButton(isMainButton: false, icon: #imageLiteral(resourceName: "Globe").scaled(to: CGSize(width: iconSize, height: iconSize)))
|
|
||||||
|
|
||||||
private lazy var newDMLabel: UILabel = {
|
|
||||||
let result: UILabel = UILabel()
|
|
||||||
result.translatesAutoresizingMaskIntoConstraints = false
|
|
||||||
result.font = UIFont.systemFont(ofSize: Values.verySmallFontSize, weight: .bold)
|
|
||||||
result.text = NSLocalizedString("NEW_CONVERSATION_MENU_DIRECT_MESSAGE", comment: "").uppercased()
|
|
||||||
result.textColor = Colors.grey
|
|
||||||
result.textAlignment = .center
|
|
||||||
|
|
||||||
return result
|
|
||||||
}()
|
|
||||||
|
|
||||||
private lazy var createClosedGroupLabel: UILabel = {
|
|
||||||
let result: UILabel = UILabel()
|
|
||||||
result.translatesAutoresizingMaskIntoConstraints = false
|
|
||||||
result.font = UIFont.systemFont(ofSize: Values.verySmallFontSize, weight: .bold)
|
|
||||||
result.text = NSLocalizedString("NEW_CONVERSATION_MENU_CLOSED_GROUP", comment: "").uppercased()
|
|
||||||
result.textColor = Colors.grey
|
|
||||||
result.textAlignment = .center
|
|
||||||
|
|
||||||
return result
|
|
||||||
}()
|
|
||||||
|
|
||||||
private lazy var joinOpenGroupLabel: UILabel = {
|
|
||||||
let result: UILabel = UILabel()
|
|
||||||
result.translatesAutoresizingMaskIntoConstraints = false
|
|
||||||
result.font = UIFont.systemFont(ofSize: Values.verySmallFontSize, weight: .bold)
|
|
||||||
result.text = NSLocalizedString("NEW_CONVERSATION_MENU_OPEN_GROUP", comment: "").uppercased()
|
|
||||||
result.textColor = Colors.grey
|
|
||||||
result.textAlignment = .center
|
|
||||||
|
|
||||||
return result
|
|
||||||
}()
|
|
||||||
|
|
||||||
// MARK: Initialization
|
|
||||||
override init(frame: CGRect) {
|
|
||||||
super.init(frame: frame)
|
|
||||||
setUpViewHierarchy()
|
|
||||||
}
|
|
||||||
|
|
||||||
required init?(coder: NSCoder) {
|
|
||||||
super.init(coder: coder)
|
|
||||||
setUpViewHierarchy()
|
|
||||||
}
|
|
||||||
|
|
||||||
private func setUpViewHierarchy() {
|
|
||||||
mainButton.accessibilityLabel = "Toggle conversation options button"
|
|
||||||
mainButton.isAccessibilityElement = true
|
|
||||||
newDMButton.accessibilityLabel = "Start new one-on-one conversation button"
|
|
||||||
newDMButton.isAccessibilityElement = true
|
|
||||||
createClosedGroupButton.accessibilityLabel = "Start new closed group button"
|
|
||||||
createClosedGroupButton.isAccessibilityElement = true
|
|
||||||
joinOpenGroupButton.accessibilityLabel = "Join open group button"
|
|
||||||
joinOpenGroupButton.isAccessibilityElement = true
|
|
||||||
let inset = (NewConversationButtonSet.expandedButtonSize - NewConversationButtonSet.collapsedButtonSize) / 2
|
|
||||||
addSubview(joinOpenGroupLabel)
|
|
||||||
addSubview(joinOpenGroupButton)
|
|
||||||
horizontalButtonConstraints[joinOpenGroupButton] = joinOpenGroupButton.pin(.left, to: .left, of: self, withInset: inset)
|
|
||||||
verticalButtonConstraints[joinOpenGroupButton] = joinOpenGroupButton.pin(.bottom, to: .bottom, of: self, withInset: -inset)
|
|
||||||
joinOpenGroupLabel.center(.horizontal, in: joinOpenGroupButton)
|
|
||||||
joinOpenGroupLabel.pin(.top, to: .bottom, of: joinOpenGroupButton, withInset: 8)
|
|
||||||
addSubview(newDMLabel)
|
|
||||||
addSubview(newDMButton)
|
|
||||||
newDMButton.center(.horizontal, in: self)
|
|
||||||
verticalButtonConstraints[newDMButton] = newDMButton.pin(.top, to: .top, of: self, withInset: inset)
|
|
||||||
newDMLabel.center(.horizontal, in: newDMButton)
|
|
||||||
newDMLabel.pin(.top, to: .bottom, of: newDMButton, withInset: 8)
|
|
||||||
addSubview(createClosedGroupLabel)
|
|
||||||
addSubview(createClosedGroupButton)
|
|
||||||
horizontalButtonConstraints[createClosedGroupButton] = createClosedGroupButton.pin(.right, to: .right, of: self, withInset: -inset)
|
|
||||||
verticalButtonConstraints[createClosedGroupButton] = createClosedGroupButton.pin(.bottom, to: .bottom, of: self, withInset: -inset)
|
|
||||||
createClosedGroupLabel.center(.horizontal, in: createClosedGroupButton)
|
|
||||||
createClosedGroupLabel.pin(.top, to: .bottom, of: createClosedGroupButton, withInset: 8)
|
|
||||||
addSubview(mainButton)
|
|
||||||
mainButton.center(.horizontal, in: self)
|
|
||||||
mainButton.pin(.bottom, to: .bottom, of: self, withInset: -inset)
|
|
||||||
let width = 2 * NewConversationButtonSet.expandedButtonSize + 2 * spacing + NewConversationButtonSet.collapsedButtonSize
|
|
||||||
set(.width, to: width)
|
|
||||||
let height = NewConversationButtonSet.expandedButtonSize + spacing + NewConversationButtonSet.collapsedButtonSize
|
|
||||||
set(.height, to: height)
|
|
||||||
collapse(withAnimation: false)
|
|
||||||
isUserInteractionEnabled = true
|
|
||||||
let joinOpenGroupButtonTapGestureRecognizer = UITapGestureRecognizer(target: self, action: #selector(handleJoinOpenGroupButtonTapped))
|
|
||||||
joinOpenGroupButton.addGestureRecognizer(joinOpenGroupButtonTapGestureRecognizer)
|
|
||||||
let createNewPrivateChatButtonTapGestureRecognizer = UITapGestureRecognizer(target: self, action: #selector(handleCreateNewPrivateChatButtonTapped))
|
|
||||||
newDMButton.addGestureRecognizer(createNewPrivateChatButtonTapGestureRecognizer)
|
|
||||||
let createNewClosedGroupButtonTapGestureRecognizer = UITapGestureRecognizer(target: self, action: #selector(handleCreateNewClosedGroupButtonTapped))
|
|
||||||
createClosedGroupButton.addGestureRecognizer(createNewClosedGroupButtonTapGestureRecognizer)
|
|
||||||
}
|
|
||||||
|
|
||||||
// MARK: Interaction
|
|
||||||
@objc private func handleJoinOpenGroupButtonTapped() { delegate?.joinOpenGroup() }
|
|
||||||
@objc private func handleCreateNewPrivateChatButtonTapped() { delegate?.createNewDM() }
|
|
||||||
@objc private func handleCreateNewClosedGroupButtonTapped() { delegate?.createClosedGroup() }
|
|
||||||
|
|
||||||
private func expand(isUserDragging: Bool) {
|
|
||||||
let views = [ joinOpenGroupButton, joinOpenGroupLabel, newDMButton, newDMLabel, createClosedGroupButton, createClosedGroupLabel ]
|
|
||||||
UIView.animate(withDuration: 0.25, animations: {
|
|
||||||
views.forEach { $0.alpha = 1 }
|
|
||||||
let inset = (NewConversationButtonSet.expandedButtonSize - NewConversationButtonSet.collapsedButtonSize) / 2
|
|
||||||
let size = NewConversationButtonSet.collapsedButtonSize
|
|
||||||
self.joinOpenGroupButton.frame = CGRect(origin: CGPoint(x: inset, y: self.height() - size - inset), size: CGSize(width: size, height: size))
|
|
||||||
self.joinOpenGroupLabel.center = CGPoint(x: self.joinOpenGroupButton.center.x, y: self.joinOpenGroupButton.frame.maxY + 8 + (self.joinOpenGroupLabel.bounds.height / 2))
|
|
||||||
self.newDMButton.frame = CGRect(center: CGPoint(x: self.bounds.center.x, y: inset + size / 2), size: CGSize(width: size, height: size))
|
|
||||||
self.newDMLabel.center = CGPoint(x: self.newDMButton.center.x, y: self.newDMButton.frame.maxY + 8 + (self.newDMLabel.bounds.height / 2))
|
|
||||||
self.createClosedGroupButton.frame = CGRect(origin: CGPoint(x: self.width() - size - inset, y: self.height() - size - inset), size: CGSize(width: size, height: size))
|
|
||||||
self.createClosedGroupLabel.center = CGPoint(x: self.createClosedGroupButton.center.x, y: self.createClosedGroupButton.frame.maxY + 8 + (self.createClosedGroupLabel.bounds.height / 2))
|
|
||||||
}, completion: { _ in
|
|
||||||
self.isUserDragging = isUserDragging
|
|
||||||
})
|
|
||||||
}
|
|
||||||
|
|
||||||
private func collapse(withAnimation isAnimated: Bool) {
|
|
||||||
isUserDragging = false
|
|
||||||
let buttons = [ joinOpenGroupButton, newDMButton, createClosedGroupButton ]
|
|
||||||
let labels = [ joinOpenGroupLabel, newDMLabel, createClosedGroupLabel ]
|
|
||||||
UIView.animate(withDuration: isAnimated ? 0.25 : 0) {
|
|
||||||
labels.forEach { label in
|
|
||||||
label.alpha = 0
|
|
||||||
label.center = self.mainButton.center
|
|
||||||
}
|
|
||||||
buttons.forEach { button in
|
|
||||||
button.alpha = 0
|
|
||||||
let size = NewConversationButtonSet.collapsedButtonSize
|
|
||||||
button.frame = CGRect(center: self.mainButton.center, size: CGSize(width: size, height: size))
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
private func reset() {
|
|
||||||
let mainButtonLocationInSelfCoordinates = CGPoint(x: width() / 2, y: height() - NewConversationButtonSet.expandedButtonSize / 2)
|
|
||||||
let mainButtonSize = mainButton.frame.size
|
|
||||||
UIView.animate(withDuration: 0.25) {
|
|
||||||
self.mainButton.frame = CGRect(center: mainButtonLocationInSelfCoordinates, size: mainButtonSize)
|
|
||||||
self.mainButton.alpha = 1
|
|
||||||
}
|
|
||||||
if let expandedButton = expandedButton { collapse(expandedButton) }
|
|
||||||
expandedButton = nil
|
|
||||||
Timer.scheduledTimer(withTimeInterval: 0.25, repeats: false) { _ in
|
|
||||||
self.collapse(withAnimation: true)
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
override func touchesBegan(_ touches: Set<UITouch>, with event: UIEvent?) {
|
|
||||||
guard let touch = touches.first, mainButton.contains(touch), !isUserDragging else { return }
|
|
||||||
UIImpactFeedbackGenerator(style: .heavy).impactOccurred()
|
|
||||||
expand(isUserDragging: true)
|
|
||||||
}
|
|
||||||
|
|
||||||
override func touchesMoved(_ touches: Set<UITouch>, with event: UIEvent?) {
|
|
||||||
guard let touch = touches.first, isUserDragging else { return }
|
|
||||||
let mainButtonSize = mainButton.frame.size
|
|
||||||
let mainButtonLocationInSelfCoordinates = CGPoint(x: width() / 2, y: height() - NewConversationButtonSet.expandedButtonSize / 2)
|
|
||||||
let touchLocationInSelfCoordinates = touch.location(in: self)
|
|
||||||
mainButton.frame = CGRect(center: touchLocationInSelfCoordinates, size: mainButtonSize)
|
|
||||||
mainButton.alpha = 1 - (touchLocationInSelfCoordinates.distance(to: mainButtonLocationInSelfCoordinates) / maxDragDistance)
|
|
||||||
let buttons = [ joinOpenGroupButton, newDMButton, createClosedGroupButton ]
|
|
||||||
let buttonToExpand = buttons.first { button in
|
|
||||||
var hasUserDraggedBeyondButton = false
|
|
||||||
if button == joinOpenGroupButton && touch.isLeft(of: joinOpenGroupButton, with: dragMargin) { hasUserDraggedBeyondButton = true }
|
|
||||||
if button == newDMButton && touch.isAbove(newDMButton, with: dragMargin) { hasUserDraggedBeyondButton = true }
|
|
||||||
if button == createClosedGroupButton && touch.isRight(of: createClosedGroupButton, with: dragMargin) { hasUserDraggedBeyondButton = true }
|
|
||||||
return button.contains(touch) || hasUserDraggedBeyondButton
|
|
||||||
}
|
|
||||||
if let buttonToExpand = buttonToExpand {
|
|
||||||
guard buttonToExpand != expandedButton else { return }
|
|
||||||
if let expandedButton = expandedButton { collapse(expandedButton) }
|
|
||||||
expand(buttonToExpand)
|
|
||||||
expandedButton = buttonToExpand
|
|
||||||
} else {
|
|
||||||
if let expandedButton = expandedButton { collapse(expandedButton) }
|
|
||||||
expandedButton = nil
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
override func touchesEnded(_ touches: Set<UITouch>, with event: UIEvent?) {
|
|
||||||
guard let touch = touches.first, isUserDragging else { return }
|
|
||||||
if joinOpenGroupButton.contains(touch) || touch.isLeft(of: joinOpenGroupButton, with: dragMargin) { delegate?.joinOpenGroup() }
|
|
||||||
else if newDMButton.contains(touch) || touch.isAbove(newDMButton, with: dragMargin) { delegate?.createNewDM() }
|
|
||||||
else if createClosedGroupButton.contains(touch) || touch.isRight(of: createClosedGroupButton, with: dragMargin) { delegate?.createClosedGroup() }
|
|
||||||
reset()
|
|
||||||
}
|
|
||||||
|
|
||||||
override func touchesCancelled(_ touches: Set<UITouch>, with event: UIEvent?) {
|
|
||||||
guard isUserDragging else { return }
|
|
||||||
reset()
|
|
||||||
}
|
|
||||||
|
|
||||||
private func expand(_ button: NewConversationButton) {
|
|
||||||
if let horizontalConstraint = horizontalButtonConstraints[button] { horizontalConstraint.constant = 0 }
|
|
||||||
if let verticalConstraint = verticalButtonConstraints[button] { verticalConstraint.constant = 0 }
|
|
||||||
let size = NewConversationButtonSet.expandedButtonSize
|
|
||||||
let frame = CGRect(center: button.center, size: CGSize(width: size, height: size))
|
|
||||||
button.widthConstraint.constant = size
|
|
||||||
button.heightConstraint.constant = size
|
|
||||||
UIView.animate(withDuration: 0.25) {
|
|
||||||
self.layoutIfNeeded()
|
|
||||||
button.frame = frame
|
|
||||||
button.layer.cornerRadius = size / 2
|
|
||||||
let glowColor = Colors.expandedButtonGlowColor
|
|
||||||
let glowConfiguration = UIView.CircularGlowConfiguration(size: size, color: glowColor, isAnimated: true, radius: isLightMode ? 4 : 6)
|
|
||||||
button.setCircularGlow(with: glowConfiguration)
|
|
||||||
button.backgroundColor = Colors.accent
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
private func collapse(_ button: NewConversationButton) {
|
|
||||||
let inset = (NewConversationButtonSet.expandedButtonSize - NewConversationButtonSet.collapsedButtonSize) / 2
|
|
||||||
if joinOpenGroupButton == expandedButton {
|
|
||||||
horizontalButtonConstraints[joinOpenGroupButton]!.constant = inset
|
|
||||||
verticalButtonConstraints[joinOpenGroupButton]!.constant = -inset
|
|
||||||
} else if newDMButton == expandedButton {
|
|
||||||
verticalButtonConstraints[newDMButton]!.constant = inset
|
|
||||||
} else if createClosedGroupButton == expandedButton {
|
|
||||||
horizontalButtonConstraints[createClosedGroupButton]!.constant = -inset
|
|
||||||
verticalButtonConstraints[createClosedGroupButton]!.constant = -inset
|
|
||||||
}
|
|
||||||
let size = NewConversationButtonSet.collapsedButtonSize
|
|
||||||
let frame = CGRect(center: button.center, size: CGSize(width: size, height: size))
|
|
||||||
button.widthConstraint.constant = size
|
|
||||||
button.heightConstraint.constant = size
|
|
||||||
UIView.animate(withDuration: 0.25) {
|
|
||||||
self.layoutIfNeeded()
|
|
||||||
button.frame = frame
|
|
||||||
button.layer.cornerRadius = size / 2
|
|
||||||
let glowColor = isLightMode ? UIColor.black.withAlphaComponent(0.4) : UIColor.black
|
|
||||||
let glowConfiguration = UIView.CircularGlowConfiguration(size: size, color: glowColor, isAnimated: true, radius: isLightMode ? 4 : 6)
|
|
||||||
button.setCircularGlow(with: glowConfiguration)
|
|
||||||
button.backgroundColor = Colors.newConversationButtonCollapsedBackground
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
override func hitTest(_ point: CGPoint, with event: UIEvent?) -> UIView? {
|
|
||||||
let allButtons = [ mainButton, joinOpenGroupButton, newDMButton, createClosedGroupButton ]
|
|
||||||
if allButtons.contains(where: { $0.frame.contains(point) }) {
|
|
||||||
return super.hitTest(point, with: event)
|
|
||||||
} else {
|
|
||||||
collapse(withAnimation: true)
|
|
||||||
return nil
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
// MARK: Delegate
|
|
||||||
protocol NewConversationButtonSetDelegate {
|
|
||||||
|
|
||||||
func joinOpenGroup()
|
|
||||||
func createNewDM()
|
|
||||||
func createClosedGroup()
|
|
||||||
}
|
|
||||||
|
|
||||||
// MARK: Button
|
|
||||||
private final class NewConversationButton : UIImageView {
|
|
||||||
private let isMainButton: Bool
|
|
||||||
private let icon: UIImage
|
|
||||||
var widthConstraint: NSLayoutConstraint!
|
|
||||||
var heightConstraint: NSLayoutConstraint!
|
|
||||||
|
|
||||||
init(isMainButton: Bool, icon: UIImage) {
|
|
||||||
self.isMainButton = isMainButton
|
|
||||||
self.icon = icon
|
|
||||||
super.init(frame: CGRect.zero)
|
|
||||||
setUpViewHierarchy()
|
|
||||||
NotificationCenter.default.addObserver(self, selector: #selector(handleAppModeChangedNotification(_:)), name: .appModeChanged, object: nil)
|
|
||||||
}
|
|
||||||
|
|
||||||
override init(frame: CGRect) {
|
|
||||||
preconditionFailure("Use init(isMainButton:) instead.")
|
|
||||||
}
|
|
||||||
|
|
||||||
required init?(coder: NSCoder) {
|
|
||||||
preconditionFailure("Use init(isMainButton:) instead.")
|
|
||||||
}
|
|
||||||
|
|
||||||
deinit {
|
|
||||||
NotificationCenter.default.removeObserver(self)
|
|
||||||
}
|
|
||||||
|
|
||||||
private func setUpViewHierarchy(isUpdate: Bool = false) {
|
|
||||||
let newConversationButtonCollapsedBackground = isLightMode ? UIColor(hex: 0xF5F5F5) : UIColor(hex: 0x1F1F1F)
|
|
||||||
backgroundColor = isMainButton ? Colors.accent : newConversationButtonCollapsedBackground
|
|
||||||
let size = NewConversationButtonSet.collapsedButtonSize
|
|
||||||
layer.cornerRadius = size / 2
|
|
||||||
let glowColor = isMainButton ? Colors.expandedButtonGlowColor : (isLightMode ? UIColor.black.withAlphaComponent(0.4) : UIColor.black)
|
|
||||||
let glowConfiguration = UIView.CircularGlowConfiguration(size: size, color: glowColor, isAnimated: false, radius: isLightMode ? 4 : 6)
|
|
||||||
setCircularGlow(with: glowConfiguration)
|
|
||||||
layer.masksToBounds = false
|
|
||||||
let iconColor = (isMainButton && isLightMode) ? UIColor.white : (isLightMode ? UIColor.black : UIColor.white)
|
|
||||||
image = icon.asTintedImage(color: iconColor)!
|
|
||||||
contentMode = .center
|
|
||||||
if !isUpdate {
|
|
||||||
widthConstraint = set(.width, to: size)
|
|
||||||
heightConstraint = set(.height, to: size)
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
@objc private func handleAppModeChangedNotification(_ notification: Notification) {
|
|
||||||
setUpViewHierarchy(isUpdate: true)
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
// MARK: Convenience
|
|
||||||
private extension UIView {
|
|
||||||
|
|
||||||
func contains(_ touch: UITouch) -> Bool {
|
|
||||||
return bounds.contains(touch.location(in: self))
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
private extension UITouch {
|
|
||||||
|
|
||||||
func isLeft(of view: UIView, with margin: CGFloat = 0) -> Bool {
|
|
||||||
return isContainedVertically(in: view, with: margin) && location(in: view).x < view.bounds.minX
|
|
||||||
}
|
|
||||||
|
|
||||||
func isAbove(_ view: UIView, with margin: CGFloat = 0) -> Bool {
|
|
||||||
return isContainedHorizontally(in: view, with: margin) && location(in: view).y < view.bounds.minY
|
|
||||||
}
|
|
||||||
|
|
||||||
func isRight(of view: UIView, with margin: CGFloat = 0) -> Bool {
|
|
||||||
return isContainedVertically(in: view, with: margin) && location(in: view).x > view.bounds.maxX
|
|
||||||
}
|
|
||||||
|
|
||||||
func isBelow(_ view: UIView, with margin: CGFloat = 0) -> Bool {
|
|
||||||
return isContainedHorizontally(in: view, with: margin) && location(in: view).y > view.bounds.maxY
|
|
||||||
}
|
|
||||||
|
|
||||||
private func isContainedHorizontally(in view: UIView, with margin: CGFloat = 0) -> Bool {
|
|
||||||
return ((view.bounds.minX - margin)...(view.bounds.maxX + margin)) ~= location(in: view).x
|
|
||||||
}
|
|
||||||
|
|
||||||
private func isContainedVertically(in view: UIView, with margin: CGFloat = 0) -> Bool {
|
|
||||||
return ((view.bounds.minY - margin)...(view.bounds.maxY + margin)) ~= location(in: view).y
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
private extension CGPoint {
|
|
||||||
|
|
||||||
func distance(to otherPoint: CGPoint) -> CGFloat {
|
|
||||||
return sqrt(pow(self.x - otherPoint.x, 2) + pow(self.y - otherPoint.y, 2))
|
|
||||||
}
|
|
||||||
}
|
|
||||||
Loading…
Reference in New Issue