session-ios/Session/Shared/ConversationCell.swift

419 lines
20 KiB
Swift

import UIKit
import SessionUIKit
final class ConversationCell : UITableViewCell {
var isShowingGlobalSearchResult = false
var threadViewModel: ThreadViewModel! {
didSet {
isShowingGlobalSearchResult ? updateForSearchResult() : update()
}
}
static let reuseIdentifier = "ConversationCell"
// MARK: UI Components
private let accentLineView = UIView()
private lazy var profilePictureView = ProfilePictureView()
private lazy var displayNameLabel: UILabel = {
let result = UILabel()
result.font = .boldSystemFont(ofSize: Values.mediumFontSize)
result.textColor = Colors.text
result.lineBreakMode = .byTruncatingTail
return result
}()
private lazy var unreadCountView: UIView = {
let result = UIView()
result.backgroundColor = Colors.text.withAlphaComponent(Values.veryLowOpacity)
let size = ConversationCell.unreadCountViewSize
result.set(.width, greaterThanOrEqualTo: size)
result.set(.height, to: size)
result.layer.masksToBounds = true
result.layer.cornerRadius = size / 2
return result
}()
private lazy var unreadCountLabel: UILabel = {
let result = UILabel()
result.font = .boldSystemFont(ofSize: Values.verySmallFontSize)
result.textColor = Colors.text
result.textAlignment = .center
return result
}()
private lazy var hasMentionView: UIView = {
let result = UIView()
result.backgroundColor = Colors.accent
let size = ConversationCell.unreadCountViewSize
result.set(.width, to: size)
result.set(.height, to: size)
result.layer.masksToBounds = true
result.layer.cornerRadius = size / 2
return result
}()
private lazy var hasMentionLabel: UILabel = {
let result = UILabel()
result.font = .boldSystemFont(ofSize: Values.verySmallFontSize)
result.textColor = Colors.text
result.text = "@"
result.textAlignment = .center
return result
}()
private lazy var isPinnedIcon: UIImageView = {
let result = UIImageView(image: UIImage(named: "Pin")!.withRenderingMode(.alwaysTemplate))
result.contentMode = .scaleAspectFit
let size = ConversationCell.unreadCountViewSize
result.set(.width, to: size)
result.set(.height, to: size)
result.tintColor = Colors.pinIcon
result.layer.masksToBounds = true
return result
}()
private lazy var timestampLabel: UILabel = {
let result = UILabel()
result.font = .systemFont(ofSize: Values.smallFontSize)
result.textColor = Colors.text
result.lineBreakMode = .byTruncatingTail
result.alpha = Values.lowOpacity
return result
}()
private lazy var snippetLabel: UILabel = {
let result = UILabel()
result.font = .systemFont(ofSize: Values.smallFontSize)
result.textColor = Colors.text
result.lineBreakMode = .byTruncatingTail
return result
}()
private lazy var typingIndicatorView = TypingIndicatorView()
private lazy var statusIndicatorView: UIImageView = {
let result = UIImageView()
result.contentMode = .scaleAspectFit
result.layer.cornerRadius = ConversationCell.statusIndicatorSize / 2
result.layer.masksToBounds = true
return result
}()
private lazy var topLabelStackView: UIStackView = {
let result = UIStackView()
result.axis = .horizontal
result.alignment = .center
result.spacing = Values.smallSpacing / 2 // Effectively Values.smallSpacing because there'll be spacing before and after the invisible spacer
return result
}()
private lazy var bottomLabelStackView: UIStackView = {
let result = UIStackView()
result.axis = .horizontal
result.alignment = .center
result.spacing = Values.smallSpacing / 2 // Effectively Values.smallSpacing because there'll be spacing before and after the invisible spacer
return result
}()
// MARK: Settings
public static let unreadCountViewSize: CGFloat = 20
private static let statusIndicatorSize: CGFloat = 14
// MARK: Initialization
override init(style: UITableViewCell.CellStyle, reuseIdentifier: String?) {
super.init(style: style, reuseIdentifier: reuseIdentifier)
setUpViewHierarchy()
}
required init?(coder: NSCoder) {
super.init(coder: coder)
setUpViewHierarchy()
}
private func setUpViewHierarchy() {
let cellHeight: CGFloat = 68
// Background color
backgroundColor = Colors.cellBackground
// Highlight color
let selectedBackgroundView = UIView()
selectedBackgroundView.backgroundColor = Colors.cellSelected
self.selectedBackgroundView = selectedBackgroundView
// Accent line view
accentLineView.set(.width, to: Values.accentLineThickness)
accentLineView.set(.height, to: cellHeight)
// Profile picture view
let profilePictureViewSize = Values.mediumProfilePictureSize
profilePictureView.set(.width, to: profilePictureViewSize)
profilePictureView.set(.height, to: profilePictureViewSize)
profilePictureView.size = profilePictureViewSize
// Unread count view
unreadCountView.addSubview(unreadCountLabel)
unreadCountLabel.pin([ VerticalEdge.top, VerticalEdge.bottom ], to: unreadCountView)
unreadCountView.pin(.leading, to: .leading, of: unreadCountLabel, withInset: -4)
unreadCountView.pin(.trailing, to: .trailing, of: unreadCountLabel, withInset: 4)
// Has mention view
hasMentionView.addSubview(hasMentionLabel)
hasMentionLabel.pin(to: hasMentionView)
// Label stack view
let topLabelSpacer = UIView.hStretchingSpacer()
[ displayNameLabel, isPinnedIcon, unreadCountView, hasMentionView, topLabelSpacer, timestampLabel ].forEach{ view in
topLabelStackView.addArrangedSubview(view)
}
let snippetLabelContainer = UIView()
snippetLabelContainer.addSubview(snippetLabel)
snippetLabelContainer.addSubview(typingIndicatorView)
let bottomLabelSpacer = UIView.hStretchingSpacer()
[ snippetLabelContainer, bottomLabelSpacer, statusIndicatorView ].forEach{ view in
bottomLabelStackView.addArrangedSubview(view)
}
let labelContainerView = UIStackView(arrangedSubviews: [ topLabelStackView, bottomLabelStackView ])
labelContainerView.axis = .vertical
labelContainerView.alignment = .leading
labelContainerView.spacing = 6
labelContainerView.isUserInteractionEnabled = false
// Main stack view
let stackView = UIStackView(arrangedSubviews: [ accentLineView, profilePictureView, labelContainerView ])
stackView.axis = .horizontal
stackView.alignment = .center
stackView.spacing = Values.mediumSpacing
contentView.addSubview(stackView)
// Constraints
accentLineView.pin(.top, to: .top, of: contentView)
accentLineView.pin(.bottom, to: .bottom, of: contentView)
timestampLabel.setContentCompressionResistancePriority(.required, for: NSLayoutConstraint.Axis.horizontal)
// HACK: The six lines below are part of a workaround for a weird layout bug
topLabelStackView.set(.width, to: UIScreen.main.bounds.width - Values.accentLineThickness - profilePictureViewSize - 3 * Values.mediumSpacing)
topLabelStackView.set(.height, to: 20)
topLabelSpacer.set(.height, to: 20)
bottomLabelStackView.set(.width, to: UIScreen.main.bounds.width - Values.accentLineThickness - profilePictureViewSize - 3 * Values.mediumSpacing)
bottomLabelStackView.set(.height, to: 18)
bottomLabelSpacer.set(.height, to: 18)
statusIndicatorView.set(.width, to: ConversationCell.statusIndicatorSize)
statusIndicatorView.set(.height, to: ConversationCell.statusIndicatorSize)
snippetLabel.pin(to: snippetLabelContainer)
typingIndicatorView.pin(.leading, to: .leading, of: snippetLabelContainer)
typingIndicatorView.centerYAnchor.constraint(equalTo: snippetLabel.centerYAnchor).isActive = true
stackView.pin(.leading, to: .leading, of: contentView)
stackView.pin(.top, to: .top, of: contentView)
// HACK: The two lines below are part of a workaround for a weird layout bug
stackView.set(.width, to: UIScreen.main.bounds.width - Values.mediumSpacing)
stackView.set(.height, to: cellHeight)
}
// MARK: Updating for search results
private func updateForSearchResult() {
AssertIsOnMainThread()
guard let thread = threadViewModel?.threadRecord else { return }
profilePictureView.update(for: thread)
isPinnedIcon.isHidden = true
unreadCountView.isHidden = true
hasMentionView.isHidden = true
}
public func configureForRecent() {
displayNameLabel.attributedText = NSMutableAttributedString(string: getDisplayName(), attributes: [.foregroundColor:Colors.text])
bottomLabelStackView.isHidden = false
let snippet = String(format: NSLocalizedString("RECENT_SEARCH_LAST_MESSAGE_DATETIME", comment: ""), DateUtil.formatDate(forDisplay: threadViewModel.lastMessageDate))
snippetLabel.attributedText = NSMutableAttributedString(string: snippet, attributes: [.foregroundColor:Colors.text.withAlphaComponent(Values.lowOpacity)])
timestampLabel.isHidden = true
}
public func configure(snippet: String?, searchText: String, message: TSMessage? = nil) {
let normalizedSearchText = searchText.lowercased()
if let messageTimestamp = message?.timestamp, let snippet = snippet {
// Message
let messageDate = NSDate.ows_date(withMillisecondsSince1970: messageTimestamp)
displayNameLabel.attributedText = NSMutableAttributedString(string: getDisplayName(), attributes: [.foregroundColor:Colors.text])
timestampLabel.isHidden = false
timestampLabel.text = DateUtil.formatDate(forDisplay: messageDate)
bottomLabelStackView.isHidden = false
var rawSnippet = snippet
if let message = message, let name = getMessageAuthorName(message: message) {
rawSnippet = "\(name): \(snippet)"
}
snippetLabel.attributedText = getHighlightedSnippet(snippet: rawSnippet, searchText: normalizedSearchText, fontSize: Values.smallFontSize)
} else {
// Contact
if threadViewModel.isGroupThread, let thread = threadViewModel.threadRecord as? TSGroupThread {
displayNameLabel.attributedText = getHighlightedSnippet(snippet: getDisplayName(), searchText: normalizedSearchText, fontSize: Values.mediumFontSize)
let context: Contact.Context = thread.isOpenGroup ? .openGroup : .regular
var rawSnippet: String = ""
thread.groupModel.groupMemberIds.forEach{ id in
if let displayName = Storage.shared.getContact(with: id)?.displayName(for: context) {
if !rawSnippet.isEmpty {
rawSnippet += ", \(displayName)"
}
if displayName.lowercased().contains(normalizedSearchText) {
rawSnippet = displayName
}
}
}
if rawSnippet.isEmpty {
bottomLabelStackView.isHidden = true
} else {
bottomLabelStackView.isHidden = false
snippetLabel.attributedText = getHighlightedSnippet(snippet: rawSnippet, searchText: normalizedSearchText, fontSize: Values.smallFontSize)
}
} else {
displayNameLabel.attributedText = getHighlightedSnippet(snippet: getDisplayNameForSearch(threadViewModel.contactSessionID!), searchText: normalizedSearchText, fontSize: Values.mediumFontSize)
bottomLabelStackView.isHidden = true
}
timestampLabel.isHidden = true
}
}
private func getHighlightedSnippet(snippet: String, searchText: String, fontSize: CGFloat) -> NSMutableAttributedString {
guard snippet != NSLocalizedString("NOTE_TO_SELF", comment: "") else {
return NSMutableAttributedString(string: snippet, attributes: [.foregroundColor:Colors.text])
}
let result = NSMutableAttributedString(string: snippet, attributes: [.foregroundColor:Colors.text.withAlphaComponent(Values.lowOpacity)])
let normalizedSnippet = snippet.lowercased() as NSString
guard normalizedSnippet.contains(searchText) else { return result }
let range = normalizedSnippet.range(of: searchText)
result.addAttribute(.foregroundColor, value: Colors.text, range: range)
result.addAttribute(.font, value: UIFont.boldSystemFont(ofSize: fontSize), range: range)
return result
}
// MARK: Updating
private func update() {
AssertIsOnMainThread()
guard let thread = threadViewModel?.threadRecord else { return }
backgroundColor = threadViewModel.isPinned ? Colors.cellPinned : Colors.cellBackground
let isBlocked: Bool
if let thread = thread as? TSContactThread {
isBlocked = SSKEnvironment.shared.blockingManager.isRecipientIdBlocked(thread.contactSessionID())
} else {
isBlocked = false
}
if isBlocked {
accentLineView.backgroundColor = Colors.destructive
accentLineView.alpha = 1
} else {
accentLineView.backgroundColor = Colors.accent
accentLineView.alpha = threadViewModel.hasUnreadMessages ? 1 : 0.0001 // Setting the alpha to exactly 0 causes an issue on iOS 12
}
isPinnedIcon.isHidden = !threadViewModel.isPinned
unreadCountView.isHidden = !threadViewModel.hasUnreadMessages
let unreadCount = threadViewModel.unreadCount
unreadCountLabel.text = unreadCount < 10000 ? "\(unreadCount)" : "9999+"
let fontSize = (unreadCount < 10000) ? Values.verySmallFontSize : 8
unreadCountLabel.font = .boldSystemFont(ofSize: fontSize)
hasMentionView.isHidden = !(threadViewModel.hasUnreadMentions && thread.isGroupThread())
profilePictureView.update(for: thread)
displayNameLabel.text = getDisplayName()
timestampLabel.text = DateUtil.formatDate(forDisplay: threadViewModel.lastMessageDate)
if SSKEnvironment.shared.typingIndicators.typingRecipientId(forThread: thread) != nil {
snippetLabel.text = ""
typingIndicatorView.isHidden = false
typingIndicatorView.startAnimation()
} else {
snippetLabel.attributedText = getSnippet()
typingIndicatorView.isHidden = true
typingIndicatorView.stopAnimation()
}
statusIndicatorView.backgroundColor = nil
let lastMessage = threadViewModel.lastMessageForInbox
if let lastMessage = lastMessage as? TSOutgoingMessage, !lastMessage.isCallMessage {
let status = MessageRecipientStatusUtils.recipientStatus(outgoingMessage: lastMessage)
switch status {
case .uploading, .sending:
statusIndicatorView.image = #imageLiteral(resourceName: "CircleDotDotDot").withRenderingMode(.alwaysTemplate)
statusIndicatorView.tintColor = Colors.text
case .sent, .skipped, .delivered:
statusIndicatorView.image = #imageLiteral(resourceName: "CircleCheck").withRenderingMode(.alwaysTemplate)
statusIndicatorView.tintColor = Colors.text
case .read:
statusIndicatorView.image = isLightMode ? #imageLiteral(resourceName: "FilledCircleCheckLightMode") : #imageLiteral(resourceName: "FilledCircleCheckDarkMode")
statusIndicatorView.tintColor = nil
statusIndicatorView.backgroundColor = (isLightMode ? .black : .white)
case .failed:
statusIndicatorView.image = #imageLiteral(resourceName: "message_status_failed").withRenderingMode(.alwaysTemplate)
statusIndicatorView.tintColor = Colors.destructive
}
statusIndicatorView.isHidden = false
}
else {
statusIndicatorView.isHidden = true
}
}
private func getMessageAuthorName(message: TSMessage) -> String? {
guard threadViewModel.isGroupThread else { return nil }
if let incomingMessage = message as? TSIncomingMessage {
return Storage.shared.getContact(with: incomingMessage.authorId)?.displayName(for: .regular) ?? "Anonymous"
}
return nil
}
private func getDisplayNameForSearch(_ sessionID: String) -> String {
if threadViewModel.threadRecord.isNoteToSelf() {
return NSLocalizedString("NOTE_TO_SELF", comment: "")
} else {
var result = sessionID
if let contact = Storage.shared.getContact(with: sessionID), let name = contact.name {
result = name
if let nickname = contact.nickname { result += "(\(nickname))"}
}
return result
}
}
private func getDisplayName() -> String {
if threadViewModel.isGroupThread {
if threadViewModel.name.isEmpty {
return "Unknown Group"
}
else {
return threadViewModel.name
}
}
else {
if threadViewModel.threadRecord.isNoteToSelf() {
return NSLocalizedString("NOTE_TO_SELF", comment: "")
}
else {
let hexEncodedPublicKey: String = threadViewModel.contactSessionID!
let displayName: String = (Storage.shared.getContact(with: hexEncodedPublicKey)?.displayName(for: .regular) ?? hexEncodedPublicKey)
let middleTruncatedHexKey: String = "\(hexEncodedPublicKey.prefix(4))...\(hexEncodedPublicKey.suffix(4))"
return (displayName == hexEncodedPublicKey ? middleTruncatedHexKey : displayName)
}
}
}
private func getSnippet() -> NSMutableAttributedString {
let result = NSMutableAttributedString()
if threadViewModel.isMuted {
result.append(NSAttributedString(string: "\u{e067} ", attributes: [ .font : UIFont.ows_elegantIconsFont(10), .foregroundColor : Colors.unimportant ]))
} else if threadViewModel.isOnlyNotifyingForMentions {
let imageAttachment = NSTextAttachment()
imageAttachment.image = UIImage(named: "NotifyMentions.png")?.asTintedImage(color: Colors.unimportant)
imageAttachment.bounds = CGRect(x: 0, y: -2, width: Values.smallFontSize, height: Values.smallFontSize)
let imageString = NSAttributedString(attachment: imageAttachment)
result.append(imageString)
result.append(NSAttributedString(string: " ", attributes: [ .font : UIFont.ows_elegantIconsFont(10), .foregroundColor : Colors.unimportant ]))
}
let font = threadViewModel.hasUnreadMessages ? UIFont.boldSystemFont(ofSize: Values.smallFontSize) : UIFont.systemFont(ofSize: Values.smallFontSize)
if threadViewModel.isGroupThread, let message = threadViewModel.lastMessageForInbox as? TSMessage, let name = getMessageAuthorName(message: message) {
result.append(NSAttributedString(string: "\(name): ", attributes: [ .font : font, .foregroundColor : Colors.text ]))
}
if let rawSnippet = threadViewModel.lastMessageText {
let snippet = MentionUtilities.highlightMentions(in: rawSnippet, threadID: threadViewModel.threadRecord.uniqueId!)
result.append(NSAttributedString(string: snippet, attributes: [ .font : font, .foregroundColor : Colors.text ]))
}
return result
}
}