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BaseChatViewController.swift
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//
// SPDX-FileCopyrightText: 2023 Nextcloud GmbH and Nextcloud contributors
// SPDX-License-Identifier: GPL-3.0-or-later
//
import Foundation
import NextcloudKit
import PhotosUI
import UIKit
import Realm
import ContactsUI
import QuickLook
import SwiftUI
@objcMembers public class BaseChatViewController: InputbarViewController,
UITextFieldDelegate,
UIImagePickerControllerDelegate,
PHPickerViewControllerDelegate,
UINavigationControllerDelegate,
PollCreationViewControllerDelegate,
ShareLocationViewControllerDelegate,
CNContactPickerDelegate,
UIDocumentPickerDelegate,
VLCKitVideoViewControllerDelegate,
ShareViewControllerDelegate,
QLPreviewControllerDelegate,
QLPreviewControllerDataSource,
NCChatFileControllerDelegate,
ShareConfirmationViewControllerDelegate,
AVAudioRecorderDelegate,
AVAudioPlayerDelegate,
SystemMessageTableViewCellDelegate,
BaseChatTableViewCellDelegate,
UITableViewDataSourcePrefetching {
// MARK: - Internal var
internal var messages: [Date: [NCChatMessage]] = [:]
internal var dateSections: [Date] = []
internal var isVisible = false
internal var isTyping = false
internal var firstUnreadMessage: NCChatMessage?
internal var dismissNotificationsOnViewWillDisappear = true
internal var replyMessageView: ReplyMessageView?
internal var voiceMessagesPlayer: AVAudioPlayer?
internal var interactingMessage: NCChatMessage?
internal var lastMessageBeforeInteraction: IndexPath?
internal var contextMenuActionBlock: (() -> Void)?
internal var editingMessage: NCChatMessage?
internal lazy var emojiTextField: EmojiTextField = {
let emojiTextField = EmojiTextField()
emojiTextField.delegate = self
self.view.addSubview(emojiTextField)
return emojiTextField
}()
internal lazy var datePickerTextField: DatePickerTextField = {
let datePicker = DatePickerTextField()
datePicker.delegate = self
self.view.addSubview(datePicker)
return datePicker
}()
internal lazy var chatBackgroundView: PlaceholderView = {
let chatBackgroundView = PlaceholderView()
chatBackgroundView.placeholderView.isHidden = true
chatBackgroundView.loadingView.startAnimating()
chatBackgroundView.placeholderTextView.text = NSLocalizedString("No messages yet, start the conversation!", comment: "")
chatBackgroundView.setImage(UIImage(named: "chat-placeholder"))
return chatBackgroundView
}()
// MARK: - Private var
private var sendButtonTagMessage = 99
private var sendButtonTagVoice = 98
private var isVoiceRecordingLocked = false
private var actionTypeTranscribeVoiceMessage = "transcribe-voice-message"
private var imagePicker: UIImagePickerController?
private var stopTypingTimer: Timer?
private var typingTimer: Timer?
private var voiceMessageLongPressGesture: UILongPressGestureRecognizer?
private var recorder: AVAudioRecorder?
private var voiceMessageRecordingView: VoiceMessageRecordingView?
private var expandedUIHostingController: UIHostingController<ExpandedVoiceMessageRecordingView>?
private var longPressStartingPoint: CGPoint?
private var cancelHintLabelInitialPositionX: CGFloat?
private var recordCancelled: Bool = false
private var animationDispatchGroup = DispatchGroup()
private var animationDispatchQueue = DispatchQueue(label: "\(groupIdentifier).animationQueue")
private var loadingHistoryView: UIActivityIndicatorView?
private var isPreviewControllerShown: Bool = false
private var previewControllerFilePath: String?
private var playerProgressTimer: Timer?
private var playerAudioFileStatus: NCChatFileStatus?
private var photoPicker: PHPickerViewController?
private var contextMenuAccessoryView: UIView?
private var contextMenuMessageView: UIView?
private lazy var inputbarBorderView: UIView = {
let inputbarBorderView = UIView()
inputbarBorderView.autoresizingMask = [.flexibleWidth, .flexibleBottomMargin]
inputbarBorderView.frame = .init(x: 0, y: 0, width: self.textInputbar.frame.size.width, height: 1)
inputbarBorderView.isHidden = true
inputbarBorderView.backgroundColor = .systemGray6
self.textInputbar.addSubview(inputbarBorderView)
return inputbarBorderView
}()
private lazy var unreadMessageButton: UIButton = {
let unreadMessageButton = UIButton(frame: .init(x: 0, y: 0, width: 126, height: 24))
unreadMessageButton.backgroundColor = NCAppBranding.themeColor()
unreadMessageButton.setTitleColor(NCAppBranding.themeTextColor(), for: .normal)
unreadMessageButton.titleLabel?.font = UIFont.systemFont(ofSize: 12)
unreadMessageButton.layer.cornerRadius = 12
unreadMessageButton.clipsToBounds = true
unreadMessageButton.isHidden = true
unreadMessageButton.translatesAutoresizingMaskIntoConstraints = false
unreadMessageButton.contentEdgeInsets = .init(top: 0, left: 10, bottom: 0, right: 10)
unreadMessageButton.titleLabel?.minimumScaleFactor = 0.9
unreadMessageButton.titleLabel?.numberOfLines = 1
unreadMessageButton.titleLabel?.adjustsFontSizeToFitWidth = true
unreadMessageButton.setTitle(NSLocalizedString("↓ New messages", comment: ""), for: .normal)
unreadMessageButton.addAction { [weak self] in
guard let self,
let firstUnreadMessage = self.firstUnreadMessage,
let indexPath = self.indexPath(for: firstUnreadMessage)
else { return }
self.tableView?.scrollToRow(at: indexPath, at: .none, animated: true)
}
self.view.addSubview(unreadMessageButton)
return unreadMessageButton
}()
private lazy var scrollToBottomButton: UIButton = {
let button = UIButton(frame: .init(x: 0, y: 0, width: 44, height: 44), primaryAction: UIAction { [weak self] _ in
self?.tableView?.slk_scrollToBottom(animated: true)
})
button.backgroundColor = .secondarySystemBackground
button.tintColor = .systemBlue
button.layer.cornerRadius = button.frame.size.height / 2
button.clipsToBounds = true
button.alpha = 0
button.translatesAutoresizingMaskIntoConstraints = false
button.setImage(UIImage(systemName: "chevron.down"), for: .normal)
self.view.addSubview(button)
return button
}()
private lazy var voiceRecordingLockButton: UIButton = {
let button = UIButton(frame: .init(x: 0, y: 0, width: 44, height: 44))
button.backgroundColor = .secondarySystemBackground
button.tintColor = .systemBlue
button.layer.cornerRadius = button.frame.size.height / 2
button.clipsToBounds = true
button.alpha = 0
button.translatesAutoresizingMaskIntoConstraints = false
button.setImage(UIImage(systemName: "lock.open"), for: .normal)
self.view.addSubview(button)
return button
}()
// MARK: - Init/Deinit
public init?(for room: NCRoom) {
super.init(for: room, tableViewStyle: .plain)
self.hidesBottomBarWhenPushed = true
self.tableView?.estimatedRowHeight = 0
self.tableView?.estimatedSectionHeaderHeight = 0
self.tableView?.prefetchDataSource = self
FilePreviewImageView.setSharedImageDownloader(NCAPIController.sharedInstance().imageDownloader)
NotificationCenter.default.addObserver(self, selector: #selector(willShowKeyboard(notification:)), name: UIWindow.keyboardWillShowNotification, object: nil)
NotificationCenter.default.addObserver(self, selector: #selector(willHideKeyboard(notification:)), name: UIWindow.keyboardWillHideNotification, object: nil)
AllocationTracker.shared.addAllocation("ChatViewController")
}
// Not using an optional here, because it is not available from ObjC
// Pass "0" as highlightMessageId to not highlight a message
public convenience init?(for room: NCRoom, withMessage messages: [NCChatMessage], withHighlightId highlightMessageId: Int) {
self.init(for: room)
// When we pass in a fixed number of messages, we hide the inputbar by default
self.textInputbar.isHidden = true
// Scroll to bottom manually after hiding the textInputbar, otherwise the
// scrollToBottom button might be briefly visible even if not needed
self.tableView?.slk_scrollToBottom(animated: false)
self.appendMessages(messages: messages)
self.tableView?.performBatchUpdates({
self.tableView?.reloadData()
}, completion: { _ in
self.highlightMessageWithContentOffset(messageId: highlightMessageId)
})
}
required init?(coder decoder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
deinit {
NotificationCenter.default.removeObserver(self)
AllocationTracker.shared.removeAllocation("ChatViewController")
NSLog("Dealloc BaseChatViewController")
}
// MARK: - View lifecycle
public override func viewDidLoad() {
super.viewDidLoad()
self.shouldScrollToBottomAfterKeyboardShows = false
self.isInverted = false
self.showSendMessageButton()
self.leftButton.setImage(UIImage(systemName: "paperclip"), for: .normal)
self.leftButton.accessibilityLabel = NSLocalizedString("Share a file from your Nextcloud", comment: "")
self.leftButton.accessibilityHint = NSLocalizedString("Double tap to open file browser", comment: "")
// Set delegate to retrieve typing events
self.tableView?.separatorStyle = .none
self.tableView?.register(UINib(nibName: "BaseChatTableViewCell", bundle: nil), forCellReuseIdentifier: chatMessageCellIdentifier)
self.tableView?.register(UINib(nibName: "BaseChatTableViewCell", bundle: nil), forCellReuseIdentifier: chatGroupedMessageCellIdentifier)
self.tableView?.register(UINib(nibName: "BaseChatTableViewCell", bundle: nil), forCellReuseIdentifier: chatReplyMessageCellIdentifier)
self.tableView?.register(UINib(nibName: "BaseChatTableViewCell", bundle: nil), forCellReuseIdentifier: fileMessageCellIdentifier)
self.tableView?.register(UINib(nibName: "BaseChatTableViewCell", bundle: nil), forCellReuseIdentifier: fileGroupedMessageCellIdentifier)
self.tableView?.register(UINib(nibName: "BaseChatTableViewCell", bundle: nil), forCellReuseIdentifier: locationMessageCellIdentifier)
self.tableView?.register(UINib(nibName: "BaseChatTableViewCell", bundle: nil), forCellReuseIdentifier: locationGroupedMessageCellIdentifier)
self.tableView?.register(UINib(nibName: "BaseChatTableViewCell", bundle: nil), forCellReuseIdentifier: voiceMessageCellIdentifier)
self.tableView?.register(UINib(nibName: "BaseChatTableViewCell", bundle: nil), forCellReuseIdentifier: voiceGroupedMessageCellIdentifier)
self.tableView?.register(UINib(nibName: "BaseChatTableViewCell", bundle: nil), forCellReuseIdentifier: pollMessageCellIdentifier)
self.tableView?.register(UINib(nibName: "BaseChatTableViewCell", bundle: nil), forCellReuseIdentifier: pollGroupedMessageCellIdentifier)
self.tableView?.register(SystemMessageTableViewCell.self, forCellReuseIdentifier: SystemMessageCellIdentifier)
self.tableView?.register(SystemMessageTableViewCell.self, forCellReuseIdentifier: InvisibleSystemMessageCellIdentifier)
self.tableView?.register(MessageSeparatorTableViewCell.self, forCellReuseIdentifier: MessageSeparatorCellIdentifier)
let newMessagesButtonText = NSLocalizedString("↓ New messages", comment: "")
// Need to move down to NSLayout
let attributes = [NSAttributedString.Key.font: UIFont.systemFont(ofSize: 12)]
let textSize = NSString(string: newMessagesButtonText).boundingRect(with: .init(width: 300, height: 24), options: .usesLineFragmentOrigin, attributes: attributes, context: nil)
let buttonWidth = textSize.size.width + 20
let views = [
"unreadMessageButton": self.unreadMessageButton,
"textInputbar": self.textInputbar,
"scrollToBottomButton": self.scrollToBottomButton,
"autoCompletionView": self.autoCompletionView,
"voiceRecordingLockButton": self.voiceRecordingLockButton
]
let metrics = [
"buttonWidth": buttonWidth
]
self.view.addConstraints(NSLayoutConstraint.constraints(withVisualFormat: "V:[unreadMessageButton(24)]-5-[autoCompletionView]", metrics: metrics, views: views))
self.view.addConstraints(NSLayoutConstraint.constraints(withVisualFormat: "H:|-(>=0)-[unreadMessageButton(buttonWidth)]-(>=0)-|", metrics: metrics, views: views))
if let view = self.view {
self.view.addConstraint(NSLayoutConstraint(item: view, attribute: .centerX, relatedBy: .equal, toItem: self.unreadMessageButton, attribute: .centerX, multiplier: 1, constant: 0))
}
self.view.addConstraints(NSLayoutConstraint.constraints(withVisualFormat: "V:[scrollToBottomButton(44)]-10-[autoCompletionView]", metrics: metrics, views: views))
self.view.addConstraints(NSLayoutConstraint.constraints(withVisualFormat: "H:|-(>=0)-[scrollToBottomButton(44)]-(>=0)-|", metrics: metrics, views: views))
self.view.addConstraints(NSLayoutConstraint.constraints(withVisualFormat: "V:[voiceRecordingLockButton(44)]-64-[autoCompletionView]", metrics: metrics, views: views))
self.view.addConstraints(NSLayoutConstraint.constraints(withVisualFormat: "H:|-(>=0)-[voiceRecordingLockButton(44)]-(>=0)-|", metrics: metrics, views: views))
self.scrollToBottomButton.trailingAnchor.constraint(equalTo: self.view.safeAreaLayoutGuide.trailingAnchor, constant: -10).isActive = true
self.voiceRecordingLockButton.trailingAnchor.constraint(equalTo: self.view.safeAreaLayoutGuide.trailingAnchor, constant: -10).isActive = true
self.addMenuToLeftButton()
self.replyMessageView?.addObserver(self, forKeyPath: "visible", options: .new, context: nil)
}
// swiftlint:disable:next block_based_kvo
public override func observeValue(forKeyPath keyPath: String?, of object: Any?, change: [NSKeyValueChangeKey: Any]?, context: UnsafeMutableRawPointer?) {
super.observeValue(forKeyPath: keyPath, of: object, change: change, context: context)
guard let object = object as? ReplyMessageView,
object == self.replyMessageView else { return }
// When the visible state of the replyMessageView changes, we need to update the toolbar to show the correct border
// Only do this if we are not already at the bottom, otherwise we briefly show the scroll button directly after sending a message
self.updateToolbar(animated: true)
}
public func updateToolbar(animated: Bool) {
guard let tableView else { return }
let animations = {
let minimumOffset = (tableView.contentSize.height - tableView.frame.size.height) - 10
if tableView.contentOffset.y < minimumOffset {
// Scrolled -> show top border
// When a reply view is visible, we show the border of that view
if let replyMessageView = self.replyMessageView {
replyMessageView.topBorder.isHidden = !replyMessageView.isVisible
self.inputbarBorderView.isHidden = replyMessageView.isVisible
} else {
self.inputbarBorderView.isHidden = false
}
} else {
// At the bottom -> no top border
self.inputbarBorderView.isHidden = true
if let replyMessageView = self.replyMessageView {
replyMessageView.topBorder.isHidden = true
}
}
}
let animationsScrollButton = {
let minimumOffset = (tableView.contentSize.height - tableView.frame.size.height) - 10
if tableView.contentOffset.y < minimumOffset {
// Scrolled -> show button
self.scrollToBottomButton.alpha = 1
} else {
// At the bottom -> hide button
self.scrollToBottomButton.alpha = 0
}
}
if animated {
self.animationDispatchQueue.async {
self.animationDispatchGroup.enter()
self.animationDispatchGroup.enter()
DispatchQueue.main.async {
UIView.transition(with: self.textInputbar,
duration: 0.3,
options: .transitionCrossDissolve,
animations: animations) { _ in
self.animationDispatchGroup.leave()
}
}
DispatchQueue.main.async {
UIView.animate(withDuration: 0.3,
animations: animationsScrollButton) { _ in
self.animationDispatchGroup.leave()
}
}
_ = self.animationDispatchGroup.wait(timeout: .distantFuture)
}
} else {
DispatchQueue.main.async {
animations()
animationsScrollButton()
}
}
}
public override func viewWillAppear(_ animated: Bool) {
super.viewWillAppear(animated)
self.isVisible = true
}
public override func viewWillDisappear(_ animated: Bool) {
super.viewWillDisappear(animated)
self.isVisible = false
if !self.textInputbar.isHidden {
self.savePendingMessage()
}
if dismissNotificationsOnViewWillDisappear {
NotificationPresenter.shared().dismiss(animated: false)
}
}
public override func traitCollectionDidChange(_ previousTraitCollection: UITraitCollection?) {
super.traitCollectionDidChange(previousTraitCollection)
if self.traitCollection.hasDifferentColorAppearance(comparedTo: previousTraitCollection) {
self.updateToolbar(animated: true)
}
}
// MARK: - Keyboard notifications
func willShowKeyboard(notification: Notification) {
guard let currentResponder = UIResponder.slk_currentFirst() else { return }
// Skip if it's not the emoji/date text field
if !currentResponder.isKind(of: EmojiTextField.self) && !currentResponder.isKind(of: DatePickerTextField.self) {
return
}
guard let keyboardFrame: NSValue = notification.userInfo?[UIResponder.keyboardFrameEndUserInfoKey] as? NSValue else {
return
}
let keyboardRect = keyboardFrame.cgRectValue
self.updateView(toShowOrHideEmojiKeyboard: keyboardRect.size.height)
guard let interactingMessage,
let indexPath = self.indexPath(for: interactingMessage) else {
return
}
DispatchQueue.main.asyncAfter(deadline: .now() + .milliseconds(100)) {
if let tableView = self.tableView {
let cellRect = tableView.rectForRow(at: indexPath)
if !tableView.bounds.contains(cellRect) {
self.tableView?.scrollToRow(at: indexPath, at: .bottom, animated: true)
}
}
}
}
func willHideKeyboard(notification: Notification) {
guard let currentResponder = UIResponder.slk_currentFirst() else { return }
// Skip if it's not the emoji/date text field
if !currentResponder.isKind(of: EmojiTextField.self) && !currentResponder.isKind(of: DatePickerTextField.self) {
return
}
self.updateView(toShowOrHideEmojiKeyboard: 0.0)
guard let lastMessageBeforeInteraction, let tableView else { return }
if NCUtils.isValid(indexPath: lastMessageBeforeInteraction, forTableView: tableView) {
DispatchQueue.main.asyncAfter(deadline: .now() + .milliseconds(100)) {
tableView.scrollToRow(at: lastMessageBeforeInteraction, at: .bottom, animated: true)
}
}
}
// MARK: - Utils
internal func getHeaderString(fromDate date: Date) -> String {
let formatter = DateFormatter()
formatter.dateStyle = .medium
formatter.doesRelativeDateFormatting = true
return formatter.string(from: date)
}
internal func presentWithNavigation(_ viewControllerToPresent: UIViewController, animated flag: Bool) {
self.present(NCNavigationController(rootViewController: viewControllerToPresent), animated: flag)
}
// MARK: - Temporary messages
internal func createTemporaryMessage(message: String, replyTo parentMessage: NCChatMessage?, messageParameters: String, silently: Bool) -> NCChatMessage {
let temporaryMessage = NCChatMessage()
let activeAccount = NCDatabaseManager.sharedInstance().activeAccount()
temporaryMessage.accountId = activeAccount.accountId
temporaryMessage.actorDisplayName = activeAccount.userDisplayName
temporaryMessage.actorId = activeAccount.userId
temporaryMessage.actorType = "users"
temporaryMessage.timestamp = Int(Date().timeIntervalSince1970)
temporaryMessage.token = room.token
temporaryMessage.message = self.replaceMentionsDisplayNamesWithMentionsKeysInMessage(message: message, parameters: messageParameters)
let referenceId = "temp-\(Date().timeIntervalSince1970 * 1000)"
temporaryMessage.referenceId = NCUtils.sha1(fromString: referenceId)
temporaryMessage.internalId = referenceId
temporaryMessage.isTemporary = true
temporaryMessage.parentId = parentMessage?.internalId
temporaryMessage.messageParametersJSONString = messageParameters
temporaryMessage.isSilent = silently
temporaryMessage.isMarkdownMessage = NCDatabaseManager.sharedInstance().roomHasTalkCapability(kCapabilityMarkdownMessages, for: self.room)
let realm = RLMRealm.default()
try? realm.transaction {
realm.add(temporaryMessage)
}
let unmanagedTemporaryMessage = NCChatMessage(value: temporaryMessage)
return unmanagedTemporaryMessage
}
internal func replaceMessageMentionsKeysWithMentionsDisplayNames(message: String, parameters: String) -> String {
var resultMessage = message.trimmingCharacters(in: .whitespacesAndNewlines)
guard let messageParametersDict = NCMessageParameter.messageParametersDict(fromJSONString: parameters) else { return resultMessage }
for (parameterKey, parameter) in messageParametersDict {
let parameterKeyString = "{\(parameterKey)}"
resultMessage = resultMessage.replacingOccurrences(of: parameterKeyString, with: parameter.mentionDisplayName)
}
return resultMessage
}
internal func appendTemporaryMessage(temporaryMessage: NCChatMessage) {
DispatchQueue.main.async {
let lastSectionBeforeUpdate = self.dateSections.count - 1
self.appendMessages(messages: [temporaryMessage])
if let lastDateSection = self.dateSections.last, let messagesForLastDate = self.messages[lastDateSection] {
let lastMessageIndexPath = IndexPath(row: messagesForLastDate.count - 1, section: self.dateSections.count - 1)
self.tableView?.beginUpdates()
let newLastSection = self.dateSections.count - 1
if lastSectionBeforeUpdate != newLastSection {
self.tableView?.insertSections(.init(integer: newLastSection), with: .none)
} else {
self.tableView?.insertRows(at: [lastMessageIndexPath], with: .none)
}
self.tableView?.endUpdates()
self.tableView?.scrollToRow(at: lastMessageIndexPath, at: .none, animated: true)
}
}
}
internal func removePermanentlyTemporaryMessage(temporaryMessage: NCChatMessage) {
let realm = RLMRealm.default()
try? realm.transaction {
if let managedTemporaryMessage = NCChatMessage.objects(where: "referenceId = %@ AND isTemporary = true", temporaryMessage.referenceId).firstObject() {
realm.delete(managedTemporaryMessage)
}
}
self.removeTemporaryMessages(temporaryMessages: [temporaryMessage])
}
internal func removeTemporaryMessages(temporaryMessages: [NCChatMessage]) {
DispatchQueue.main.async {
for temporaryMessage in temporaryMessages {
if let indexPath = self.indexPath(for: temporaryMessage) {
self.removeMessage(at: indexPath)
}
}
}
}
// MARK: - Message updates
internal func modifyMessageWith(referenceId: String, block: (NCChatMessage) -> Void) {
guard let (indexPath, message) = self.indexPathAndMessage(forReferenceId: referenceId)
else { return }
block(message)
self.tableView?.beginUpdates()
self.tableView?.reloadRows(at: [indexPath], with: .none)
self.tableView?.endUpdates()
}
internal func updateMessage(withMessageId messageId: Int, updatedMessage: NCChatMessage) {
DispatchQueue.main.async {
guard let (indexPath, message) = self.indexPathAndMessage(forMessageId: messageId) else { return }
var reloadIndexPaths = [indexPath]
let isAtBottom = self.shouldScrollOnNewMessages()
let keyDate = self.dateSections[indexPath.section]
updatedMessage.isGroupMessage = message.isGroupMessage && message.actorType != "bots" && updatedMessage.lastEditTimestamp == 0
self.messages[keyDate]?[indexPath.row] = updatedMessage
// Check if there are any messages that reference our message as a parent -> these need to be reloaded as well
if let visibleIndexPaths = self.tableView?.indexPathsForVisibleRows {
let referencingIndexPaths = visibleIndexPaths.filter({
guard let message = self.message(for: $0),
let parentMessage = message.parent
else { return false }
return parentMessage.messageId == messageId
})
reloadIndexPaths.append(contentsOf: referencingIndexPaths)
}
self.tableView?.beginUpdates()
self.tableView?.reloadRows(at: reloadIndexPaths, with: .none)
self.tableView?.endUpdates()
if isAtBottom {
// Make sure we're really at the bottom after updating a message
DispatchQueue.main.async {
self.tableView?.slk_scrollToBottom(animated: false)
self.updateToolbar(animated: false)
}
}
}
}
// MARK: - User interface
func showVoiceMessageRecordButton() {
self.rightButton.setTitle("", for: .normal)
self.rightButton.setImage(UIImage(systemName: "mic"), for: .normal)
self.rightButton.tag = sendButtonTagVoice
self.rightButton.accessibilityLabel = NSLocalizedString("Record voice message", comment: "")
self.rightButton.accessibilityHint = NSLocalizedString("Tap and hold to record a voice message", comment: "")
self.addGestureRecognizerToRightButton()
}
func showSendMessageButton() {
self.rightButton.setTitle("", for: .normal)
self.rightButton.setImage(UIImage(systemName: "paperplane"), for: .normal)
self.rightButton.tag = sendButtonTagMessage
self.rightButton.accessibilityLabel = NSLocalizedString("Send message", comment: "")
self.rightButton.accessibilityHint = NSLocalizedString("Double tap to send message", comment: "")
self.addMenuToRightButton()
}
// MARK: - Action methods
func sendChatMessage(message: String, withParentMessage parentMessage: NCChatMessage?, messageParameters: String, silently: Bool) {
// Overridden in sub class
}
func sendCurrentMessage(silently: Bool) {
var replyToMessage: NCChatMessage?
if let replyMessageView, replyMessageView.isVisible {
replyToMessage = replyMessageView.message
}
let messageParameters = NCMessageParameter.messageParametersJSONString(from: self.mentionsDict) ?? ""
self.sendChatMessage(message: self.textView.text, withParentMessage: replyToMessage, messageParameters: messageParameters, silently: silently)
self.mentionsDict.removeAll()
self.replyMessageView?.dismiss()
super.didPressRightButton(self)
self.clearPendingMessage()
self.stopTyping(force: true)
}
public override func didPressRightButton(_ sender: Any?) {
guard let button = sender as? UIButton else { return }
switch button.tag {
case sendButtonTagMessage:
self.sendCurrentMessage(silently: false)
super.didPressRightButton(sender)
case sendButtonTagVoice:
self.showVoiceMessageRecordHint()
default:
break
}
}
func addGestureRecognizerToRightButton() {
// Remove a potential menu so it does not interfere with the long gesture recognizer
self.rightButton.menu = nil
// Add long press gesture recognizer for voice message recording button
self.voiceMessageLongPressGesture = UILongPressGestureRecognizer(target: self, action: #selector(handleLongPressInVoiceMessageRecordButton(gestureRecognizer:)))
if let voiceMessageLongPressGesture {
voiceMessageLongPressGesture.delegate = self
self.rightButton.addGestureRecognizer(voiceMessageLongPressGesture)
}
}
func addMenuToRightButton() {
// Remove a gesture recognizer to not interfere with our menu
if let voiceMessageLongPressGesture = self.voiceMessageLongPressGesture {
self.rightButton.removeGestureRecognizer(voiceMessageLongPressGesture)
self.voiceMessageLongPressGesture = nil
}
let silentSendAction = UIAction(title: NSLocalizedString("Send without notification", comment: ""), image: UIImage(systemName: "bell.slash")) { [unowned self] _ in
self.sendCurrentMessage(silently: true)
}
self.rightButton.menu = UIMenu(children: [silentSendAction])
}
func addMenuToLeftButton() {
// The keyboard will be hidden when an action is invoked. Depending on what
// attachment is shared, not resigning might lead to a currupted chat view
var items: [UIAction] = []
let cameraAction = UIAction(title: NSLocalizedString("Camera", comment: ""), image: UIImage(systemName: "camera")) { [unowned self] _ in
self.textView.resignFirstResponder()
self.checkAndPresentCamera()
}
let photoLibraryAction = UIAction(title: NSLocalizedString("Photo Library", comment: ""), image: UIImage(systemName: "photo")) { [unowned self] _ in
self.textView.resignFirstResponder()
self.presentPhotoLibrary()
}
let shareLocationAction = UIAction(title: NSLocalizedString("Location", comment: ""), image: UIImage(systemName: "location")) { [unowned self] _ in
self.textView.resignFirstResponder()
self.presentShareLocation()
}
let contactShareAction = UIAction(title: NSLocalizedString("Contacts", comment: ""), image: UIImage(systemName: "person")) { [unowned self] _ in
self.textView.resignFirstResponder()
self.presentShareContact()
}
let filesAction = UIAction(title: NSLocalizedString("Files", comment: ""), image: UIImage(systemName: "doc")) { [unowned self] _ in
self.textView.resignFirstResponder()
self.presentDocumentPicker()
}
let ncFilesAction = UIAction(title: filesAppName, image: UIImage(named: "logo-action")?.withRenderingMode(.alwaysTemplate)) { [unowned self] _ in
self.textView.resignFirstResponder()
self.presentNextcloudFilesBrowser()
}
let pollAction = UIAction(title: NSLocalizedString("Poll", comment: ""), image: UIImage(systemName: "chart.bar")) { [unowned self] _ in
self.textView.resignFirstResponder()
self.presentPollCreation()
}
// Add actions (inverted)
items.append(ncFilesAction)
items.append(filesAction)
items.append(contactShareAction)
if NCDatabaseManager.sharedInstance().roomHasTalkCapability(kCapabilityLocationSharing, for: self.room) {
items.append(shareLocationAction)
}
if NCDatabaseManager.sharedInstance().roomHasTalkCapability(kCapabilityTalkPolls, for: self.room),
self.room.type != .oneToOne, self.room.type != .noteToSelf {
items.append(pollAction)
}
items.append(photoLibraryAction)
if UIImagePickerController.isSourceTypeAvailable(.camera) {
items.append(cameraAction)
}
self.leftButton.menu = UIMenu(children: items)
self.leftButton.showsMenuAsPrimaryAction = true
}
func presentNextcloudFilesBrowser() {
let directoryVC = DirectoryTableViewController(path: "", inRoom: self.room.token)
self.presentWithNavigation(directoryVC, animated: true)
}
func checkAndPresentCamera() {
// https://stackoverflow.com/a/20464727/2512312
let mediaType = AVMediaType.video
let authStatus = AVCaptureDevice.authorizationStatus(for: mediaType)
if authStatus == AVAuthorizationStatus.authorized {
self.presentCamera()
return
} else if authStatus == AVAuthorizationStatus.notDetermined {
AVCaptureDevice.requestAccess(for: mediaType, completionHandler: { (granted: Bool) in
if granted {
self.presentCamera()
}
})
return
}
let alert = UIAlertController(title: NSLocalizedString("Could not access camera", comment: ""),
message: NSLocalizedString("Camera access is not allowed. Check your settings.", comment: ""),
preferredStyle: .alert)
alert.addAction(UIAlertAction(title: NSLocalizedString("OK", comment: ""), style: .default))
NCUserInterfaceController.sharedInstance().presentAlertViewController(alert)
}
func presentCamera() {
DispatchQueue.main.async {
self.imagePicker = UIImagePickerController()
if let imagePicker = self.imagePicker,
let sourceType = UIImagePickerController.availableMediaTypes(for: imagePicker.sourceType) {
imagePicker.sourceType = .camera
imagePicker.cameraFlashMode = UIImagePickerController.CameraFlashMode(rawValue: NCUserDefaults.preferredCameraFlashMode()) ?? .off
imagePicker.mediaTypes = sourceType
imagePicker.delegate = self
self.present(imagePicker, animated: true)
}
}
}
func presentPhotoLibrary() {
DispatchQueue.main.async {
var pickerConfig = PHPickerConfiguration()
pickerConfig.selectionLimit = 5
pickerConfig.filter = PHPickerFilter.any(of: [.images, .videos])
self.photoPicker = PHPickerViewController(configuration: pickerConfig)
if let photoPicker = self.photoPicker {
photoPicker.delegate = self
self.present(photoPicker, animated: true)
}
}
}
func presentPollCreation() {
let pollCreationVC = PollCreationViewController(style: .insetGrouped)
pollCreationVC.pollCreationDelegate = self
self.presentWithNavigation(pollCreationVC, animated: true)
}
func presentShareLocation() {
let shareLocationVC = ShareLocationViewController()
shareLocationVC.delegate = self
self.presentWithNavigation(shareLocationVC, animated: true)
}
func presentShareContact() {
let contactPicker = CNContactPickerViewController()
contactPicker.delegate = self
self.present(contactPicker, animated: true)
}
func presentDocumentPicker() {
DispatchQueue.main.async {
let documentPicker = UIDocumentPickerViewController(forOpeningContentTypes: [.item], asCopy: true)
documentPicker.delegate = self
self.present(documentPicker, animated: true)
}
}
func showReplyView(for message: NCChatMessage) {
let isAtBottom = self.shouldScrollOnNewMessages()
let activeAccount = NCDatabaseManager.sharedInstance().activeAccount()
if let replyProxyView = self.replyProxyView as? ReplyMessageView {
self.replyMessageView = replyProxyView
replyProxyView.presentReply(with: message, withUserId: activeAccount.userId)
self.presentKeyboard(true)
// Make sure we're really at the bottom after showing the replyMessageView
if isAtBottom {
self.tableView?.slk_scrollToBottom(animated: false)
self.updateToolbar(animated: false)
}
}
}
func didPressReply(for message: NCChatMessage) {
// Make sure we get a smooth animation after dismissing the context menu
DispatchQueue.main.asyncAfter(deadline: .now() + 0.2) {
self.showReplyView(for: message)
}
}
func didPressReplyPrivately(for message: NCChatMessage) {
var userInfo: [String: String] = [:]
userInfo["actorId"] = message.actorId
NotificationCenter.default.post(name: .NCChatViewControllerReplyPrivatelyNotification, object: self, userInfo: userInfo)
}
func didPressAddReaction(for message: NCChatMessage, at indexPath: IndexPath) {
// Hide the keyboard because we are going to present the emoji keyboard
DispatchQueue.main.async {
self.textView.resignFirstResponder()
}
DispatchQueue.main.async {
self.interactingMessage = message
self.lastMessageBeforeInteraction = self.tableView?.indexPathsForVisibleRows?.last
if NCUtils.isiOSAppOnMac() {
// Move the emojiTextField to the position of the cell
if let rowRect = self.tableView?.rectForRow(at: indexPath),
var convertedRowRect = self.tableView?.convert(rowRect, to: self.view) {
// Show the emoji picker at the textView location of the cell
convertedRowRect.origin.y += convertedRowRect.size.height - 16
convertedRowRect.origin.x += 54
// We don't want to have a clickable textField floating around
convertedRowRect.size.width = 0
convertedRowRect.size.height = 0
// Remove and add the emojiTextField to the view, so the Mac OS emoji picker is always at the right location
self.emojiTextField.removeFromSuperview()
self.emojiTextField.frame = convertedRowRect
self.view.addSubview(self.emojiTextField)
}
}
self.emojiTextField.becomeFirstResponder()
}
}
func didPressForward(for message: NCChatMessage) {
var shareViewController: ShareViewController
if message.isObjectShare {
shareViewController = ShareViewController(toForwardObjectShare: message, fromChatViewController: self)
} else {
shareViewController = ShareViewController(toForwardMessage: message.parsedMessage().string, fromChatViewController: self)
}
shareViewController.delegate = self
self.presentWithNavigation(shareViewController, animated: true)
}
func didPressNoteToSelf(for message: NCChatMessage) {
let activeAccount = NCDatabaseManager.sharedInstance().activeAccount()
NCAPIController.sharedInstance().getNoteToSelfRoom(forAccount: activeAccount) { roomDict, error in
if error == nil, let room = NCRoom(dictionary: roomDict, andAccountId: activeAccount.accountId) {
if message.isObjectShare {
NCAPIController.sharedInstance().shareRichObject(message.richObjectFromObjectShare, inRoom: room.token, for: activeAccount) { error in
if error == nil {
NotificationPresenter.shared().present(text: NSLocalizedString("Added note to self", comment: ""), dismissAfterDelay: 5.0, includedStyle: .success)
} else {
NotificationPresenter.shared().present(text: NSLocalizedString("An error occurred while adding note", comment: ""), dismissAfterDelay: 5.0, includedStyle: .error)
}
}
} else {
NCAPIController.sharedInstance().sendChatMessage(message.parsedMessage().string, toRoom: room.token, displayName: nil, replyTo: -1, referenceId: nil, silently: false, for: activeAccount) { error in
if error == nil {
NotificationPresenter.shared().present(text: NSLocalizedString("Added note to self", comment: ""), dismissAfterDelay: 5.0, includedStyle: .success)
} else {
NotificationPresenter.shared().present(text: NSLocalizedString("An error occurred while adding note", comment: ""), dismissAfterDelay: 5.0, includedStyle: .error)
}
}
}
} else {
NotificationPresenter.shared().present(text: NSLocalizedString("An error occurred while adding note", comment: ""), dismissAfterDelay: 5.0, includedStyle: .error)
}
}
}
func didPressResend(for message: NCChatMessage) {
// Make sure there's no unread message separator, as the indexpath could be invalid after removing a message
self.removeUnreadMessagesSeparator()
self.removePermanentlyTemporaryMessage(temporaryMessage: message)
let originalMessage = self.replaceMessageMentionsKeysWithMentionsDisplayNames(message: message.message, parameters: message.messageParametersJSONString ?? "")
self.sendChatMessage(message: originalMessage, withParentMessage: message.parent, messageParameters: message.messageParametersJSONString ?? "", silently: message.isSilent)
}
func didPressCopy(for message: NCChatMessage) {
let pasteboard = UIPasteboard.general
pasteboard.string = message.parsedMessage().string
NotificationPresenter.shared().present(text: NSLocalizedString("Message copied", comment: ""), dismissAfterDelay: 5.0, includedStyle: .dark)
}
func didPressCopyLink(for message: NCChatMessage) {
guard let link = room.linkURL else {
return
}
let url = "\(link)#message_\(message.messageId)"
let pasteboard = UIPasteboard.general
pasteboard.string = url