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session-ios/Session/Conversations/ConversationVC+Interaction....

1121 lines
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Swift
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import UIKit
import CoreServices
import Photos
import PhotosUI
import SignalUtilitiesKit
extension ConversationVC : InputViewDelegate, MessageCellDelegate, ContextMenuActionDelegate, ScrollToBottomButtonDelegate,
SendMediaNavDelegate, UIDocumentPickerDelegate, AttachmentApprovalViewControllerDelegate, GifPickerViewControllerDelegate,
ConversationTitleViewDelegate {
func handleTitleViewTapped() {
openSettings()
}
@objc func openSettings() {
let settingsVC = OWSConversationSettingsViewController()
settingsVC.configure(with: thread, uiDatabaseConnection: OWSPrimaryStorage.shared().uiDatabaseConnection)
settingsVC.conversationSettingsViewDelegate = self
navigationController!.pushViewController(settingsVC, animated: true, completion: nil)
}
func handleScrollToBottomButtonTapped() {
// The table view's content size is calculated by the estimated height of cells,
// so the result may be inaccurate before all the cells are loaded. Use this
// to scroll to the last row instead.
let indexPath = IndexPath(row: viewItems.count - 1, section: 0)
unreadViewItems.removeAll()
messagesTableView.scrollToRow(at: indexPath, at: .top, animated: true)
}
// MARK: Blocking
@objc func unblock() {
guard let thread = thread as? TSContactThread else { return }
let publicKey = thread.contactSessionID()
UIView.animate(withDuration: 0.25, animations: {
self.blockedBanner.alpha = 0
}, completion: { _ in
OWSBlockingManager.shared().removeBlockedPhoneNumber(publicKey)
})
}
func showBlockedModalIfNeeded() -> Bool {
guard let thread = thread as? TSContactThread else { return false }
let publicKey = thread.contactSessionID()
guard OWSBlockingManager.shared().isRecipientIdBlocked(publicKey) else { return false }
let blockedModal = BlockedModal(publicKey: publicKey)
blockedModal.modalPresentationStyle = .overFullScreen
blockedModal.modalTransitionStyle = .crossDissolve
present(blockedModal, animated: true, completion: nil)
return true
}
// MARK: Attachments
func didPasteImageFromPasteboard(_ image: UIImage) {
guard let imageData = image.jpegData(compressionQuality: 1.0) else { return }
let dataSource = DataSourceValue.dataSource(with: imageData, utiType: kUTTypeJPEG as String)
let attachment = SignalAttachment.attachment(dataSource: dataSource, dataUTI: kUTTypeJPEG as String, imageQuality: .medium)
let approvalVC = AttachmentApprovalViewController.wrappedInNavController(attachments: [ attachment ], approvalDelegate: self)
approvalVC.modalPresentationStyle = .fullScreen
self.present(approvalVC, animated: true, completion: nil)
}
func sendMediaNavDidCancel(_ sendMediaNavigationController: SendMediaNavigationController) {
dismiss(animated: true, completion: nil)
}
func sendMediaNav(_ sendMediaNavigationController: SendMediaNavigationController, didApproveAttachments attachments: [SignalAttachment], messageText: String?) {
sendAttachments(attachments, with: messageText ?? "")
resetMentions()
self.snInputView.text = ""
dismiss(animated: true) { }
}
func sendMediaNavInitialMessageText(_ sendMediaNavigationController: SendMediaNavigationController) -> String? {
return snInputView.text
}
func sendMediaNav(_ sendMediaNavigationController: SendMediaNavigationController, didChangeMessageText newMessageText: String?) {
snInputView.text = newMessageText ?? ""
}
func attachmentApproval(_ attachmentApproval: AttachmentApprovalViewController, didApproveAttachments attachments: [SignalAttachment], messageText: String?) {
sendAttachments(attachments, with: messageText ?? "") { [weak self] in
self?.dismiss(animated: true, completion: nil)
}
scrollToBottom(isAnimated: false)
resetMentions()
self.snInputView.text = ""
}
func attachmentApprovalDidCancel(_ attachmentApproval: AttachmentApprovalViewController) {
dismiss(animated: true, completion: nil)
}
func attachmentApproval(_ attachmentApproval: AttachmentApprovalViewController, didChangeMessageText newMessageText: String?) {
snInputView.text = newMessageText ?? ""
}
func handleCameraButtonTapped() {
guard requestCameraPermissionIfNeeded() else { return }
requestMicrophonePermissionIfNeeded { }
if AVAudioSession.sharedInstance().recordPermission != .granted {
SNLog("Proceeding without microphone access. Any recorded video will be silent.")
}
let sendMediaNavController = SendMediaNavigationController.showingCameraFirst()
sendMediaNavController.sendMediaNavDelegate = self
sendMediaNavController.modalPresentationStyle = .fullScreen
present(sendMediaNavController, animated: true, completion: nil)
}
func handleLibraryButtonTapped() {
requestLibraryPermissionIfNeeded { [weak self] in
DispatchQueue.main.async {
let sendMediaNavController = SendMediaNavigationController.showingMediaLibraryFirst()
sendMediaNavController.sendMediaNavDelegate = self
sendMediaNavController.modalPresentationStyle = .fullScreen
self?.present(sendMediaNavController, animated: true, completion: nil)
}
}
}
func handleGIFButtonTapped() {
let gifVC = GifPickerViewController(thread: thread)
gifVC.delegate = self
let navController = OWSNavigationController(rootViewController: gifVC)
navController.modalPresentationStyle = .fullScreen
present(navController, animated: true) { }
}
func gifPickerDidSelect(attachment: SignalAttachment) {
showAttachmentApprovalDialog(for: [ attachment ])
}
func handleDocumentButtonTapped() {
// UIDocumentPickerModeImport copies to a temp file within our container.
// It uses more memory than "open" but lets us avoid working with security scoped URLs.
let documentPickerVC = UIDocumentPickerViewController(documentTypes: [ kUTTypeItem as String ], in: UIDocumentPickerMode.import)
documentPickerVC.delegate = self
documentPickerVC.modalPresentationStyle = .fullScreen
SNAppearance.switchToDocumentPickerAppearance()
present(documentPickerVC, animated: true, completion: nil)
}
func documentPickerWasCancelled(_ controller: UIDocumentPickerViewController) {
SNAppearance.switchToSessionAppearance() // Switch back to the correct appearance
}
func documentPicker(_ controller: UIDocumentPickerViewController, didPickDocumentsAt urls: [URL]) {
SNAppearance.switchToSessionAppearance()
guard let url = urls.first else { return } // TODO: Handle multiple?
let urlResourceValues: URLResourceValues
do {
urlResourceValues = try url.resourceValues(forKeys: [ .typeIdentifierKey, .isDirectoryKey, .nameKey ])
} catch {
let alert = UIAlertController(title: "Session", message: "An error occurred.", preferredStyle: .alert)
alert.addAction(UIAlertAction(title: "OK", style: .default, handler: nil))
return present(alert, animated: true, completion: nil)
}
let type = urlResourceValues.typeIdentifier ?? (kUTTypeData as String)
guard urlResourceValues.isDirectory != true else {
DispatchQueue.main.async {
let title = NSLocalizedString("ATTACHMENT_PICKER_DOCUMENTS_PICKED_DIRECTORY_FAILED_ALERT_TITLE", comment: "")
let message = NSLocalizedString("ATTACHMENT_PICKER_DOCUMENTS_PICKED_DIRECTORY_FAILED_ALERT_BODY", comment: "")
OWSAlerts.showAlert(title: title, message: message)
}
return
}
let fileName = urlResourceValues.name ?? NSLocalizedString("ATTACHMENT_DEFAULT_FILENAME", comment: "")
guard let dataSource = DataSourcePath.dataSource(with: url, shouldDeleteOnDeallocation: false) else {
DispatchQueue.main.async {
let title = NSLocalizedString("ATTACHMENT_PICKER_DOCUMENTS_FAILED_ALERT_TITLE", comment: "")
OWSAlerts.showAlert(title: title)
}
return
}
dataSource.sourceFilename = fileName
// Although we want to be able to send higher quality attachments through the document picker
// it's more imporant that we ensure the sent format is one all clients can accept (e.g. *not* quicktime .mov)
guard !SignalAttachment.isInvalidVideo(dataSource: dataSource, dataUTI: type) else {
return showAttachmentApprovalDialogAfterProcessingVideo(at: url, with: fileName)
}
// "Document picker" attachments _SHOULD NOT_ be resized
let attachment = SignalAttachment.attachment(dataSource: dataSource, dataUTI: type, imageQuality: .original)
showAttachmentApprovalDialog(for: [ attachment ])
}
func showAttachmentApprovalDialog(for attachments: [SignalAttachment]) {
let navController = AttachmentApprovalViewController.wrappedInNavController(attachments: attachments, approvalDelegate: self)
present(navController, animated: true, completion: nil)
}
func showAttachmentApprovalDialogAfterProcessingVideo(at url: URL, with fileName: String) {
ModalActivityIndicatorViewController.present(fromViewController: self, canCancel: true, message: nil) { [weak self] modalActivityIndicator in
let dataSource = DataSourcePath.dataSource(with: url, shouldDeleteOnDeallocation: false)!
dataSource.sourceFilename = fileName
let compressionResult: SignalAttachment.VideoCompressionResult = SignalAttachment.compressVideoAsMp4(dataSource: dataSource, dataUTI: kUTTypeMPEG4 as String)
compressionResult.attachmentPromise.done { attachment in
guard !modalActivityIndicator.wasCancelled, let attachment = attachment as? SignalAttachment else { return }
modalActivityIndicator.dismiss {
if !attachment.hasError {
self?.showAttachmentApprovalDialog(for: [ attachment ])
} else {
self?.showErrorAlert(for: attachment, onDismiss: nil)
}
}
}.retainUntilComplete()
}
}
// MARK: Message Sending
func handleSendButtonTapped() {
sendMessage()
}
func sendMessage(hasPermissionToSendSeed: Bool = false) {
guard !showBlockedModalIfNeeded() else { return }
let text = replaceMentions(in: snInputView.text.trimmingCharacters(in: .whitespacesAndNewlines))
let thread = self.thread
guard !text.isEmpty else { return }
if text.contains(mnemonic) && !thread.isNoteToSelf() && !hasPermissionToSendSeed {
// Warn the user if they're about to send their seed to someone
let modal = SendSeedModal()
modal.modalPresentationStyle = .overFullScreen
modal.modalTransitionStyle = .crossDissolve
modal.proceed = { self.sendMessage(hasPermissionToSendSeed: true) }
return present(modal, animated: true, completion: nil)
}
let sentTimestamp: UInt64 = NSDate.millisecondTimestamp()
let message: VisibleMessage = VisibleMessage()
message.sentTimestamp = sentTimestamp
message.text = text
message.quote = VisibleMessage.Quote.from(snInputView.quoteDraftInfo?.model)
// Note: 'shouldBeVisible' is set to true the first time a thread is saved so we can
// use it to determine if the user is creating a new thread and update the 'isApproved'
// flags appropriately
let oldThreadShouldBeVisible: Bool = thread.shouldBeVisible
let linkPreviewDraft = snInputView.linkPreviewInfo?.draft
let tsMessage = TSOutgoingMessage.from(message, associatedWith: thread)
viewModel.appendUnsavedOutgoingTextMessage(tsMessage)
Storage.write(with: { transaction in
message.linkPreview = VisibleMessage.LinkPreview.from(linkPreviewDraft, using: transaction)
}, completion: { [weak self] in
tsMessage.linkPreview = OWSLinkPreview.from(message.linkPreview)
Storage.shared.write(
with: { transaction in
tsMessage.save(with: transaction as! YapDatabaseReadWriteTransaction)
},
completion: { [weak self] in
// At this point the TSOutgoingMessage should have its link preview set, so we can scroll to the bottom knowing
// the height of the new message cell
self?.scrollToBottom(isAnimated: false)
}
)
Storage.shared.write(
with: { transaction in
self?.approveMessageRequestIfNeeded(
for: self?.thread,
with: (transaction as! YapDatabaseReadWriteTransaction),
isNewThread: !oldThreadShouldBeVisible,
timestamp: (sentTimestamp - 1) // Set 1ms earlier as this is used for sorting
)
},
completion: { [weak self] in
Storage.shared.write { transaction in
MessageSender.send(message, with: [], in: thread, using: transaction as! YapDatabaseReadWriteTransaction)
}
self?.handleMessageSent()
}
)
})
}
func sendAttachments(_ attachments: [SignalAttachment], with text: String, onComplete: (() -> ())? = nil) {
guard !showBlockedModalIfNeeded() else { return }
for attachment in attachments {
if attachment.hasError {
return showErrorAlert(for: attachment, onDismiss: onComplete)
}
}
let thread = self.thread
let message = VisibleMessage()
message.sentTimestamp = NSDate.millisecondTimestamp()
message.text = replaceMentions(in: text)
let tsMessage = TSOutgoingMessage.from(message, associatedWith: thread)
Storage.write(with: { transaction in
tsMessage.save(with: transaction)
// The new message cell is inserted at this point, but the TSOutgoingMessage doesn't have its attachment yet
}, completion: { [weak self] in
Storage.write(with: { transaction in
MessageSender.send(message, with: attachments, in: thread, using: transaction)
}, completion: { [weak self] in
// At this point the TSOutgoingMessage should have its attachments set, so we can scroll to the bottom knowing
// the height of the new message cell
self?.scrollToBottom(isAnimated: false)
})
self?.handleMessageSent()
// Attachment successfully sent - dismiss the screen
onComplete?()
})
}
func handleMessageSent() {
resetMentions()
self.snInputView.text = ""
self.snInputView.quoteDraftInfo = nil
self.markAllAsRead()
if Environment.shared.preferences.soundInForeground() {
let soundID = OWSSounds.systemSoundID(for: .messageSent, quiet: true)
AudioServicesPlaySystemSound(soundID)
}
SSKEnvironment.shared.typingIndicators.didSendOutgoingMessage(inThread: thread)
Storage.write { transaction in
self.thread.setDraft("", transaction: transaction)
}
}
// MARK: Input View
func inputTextViewDidChangeContent(_ inputTextView: InputTextView) {
let newText = inputTextView.text ?? ""
if !newText.isEmpty {
SSKEnvironment.shared.typingIndicators.didStartTypingOutgoingInput(inThread: thread)
}
updateMentions(for: newText)
}
func showLinkPreviewSuggestionModal() {
let linkPreviewModel = LinkPreviewModal() { [weak self] in
self?.snInputView.autoGenerateLinkPreview()
}
linkPreviewModel.modalPresentationStyle = .overFullScreen
linkPreviewModel.modalTransitionStyle = .crossDissolve
present(linkPreviewModel, animated: true, completion: nil)
}
// MARK: Mentions
func updateMentions(for newText: String) {
if newText.count < oldText.count {
currentMentionStartIndex = nil
snInputView.hideMentionsUI()
mentions = mentions.filter { $0.isContained(in: newText) }
}
if !newText.isEmpty {
let lastCharacterIndex = newText.index(before: newText.endIndex)
let lastCharacter = newText[lastCharacterIndex]
// Check if there is whitespace before the '@' or the '@' is the first character
let isCharacterBeforeLastWhiteSpaceOrStartOfLine: Bool
if newText.count == 1 {
isCharacterBeforeLastWhiteSpaceOrStartOfLine = true // Start of line
} else {
let characterBeforeLast = newText[newText.index(before: lastCharacterIndex)]
isCharacterBeforeLastWhiteSpaceOrStartOfLine = characterBeforeLast.isWhitespace
}
if lastCharacter == "@" && isCharacterBeforeLastWhiteSpaceOrStartOfLine {
let candidates = MentionsManager.getMentionCandidates(for: "", in: thread.uniqueId!)
currentMentionStartIndex = lastCharacterIndex
snInputView.showMentionsUI(for: candidates, in: thread)
} else if lastCharacter.isWhitespace || lastCharacter == "@" { // the lastCharacter == "@" is to check for @@
currentMentionStartIndex = nil
snInputView.hideMentionsUI()
} else {
if let currentMentionStartIndex = currentMentionStartIndex {
let query = String(newText[newText.index(after: currentMentionStartIndex)...]) // + 1 to get rid of the @
let candidates = MentionsManager.getMentionCandidates(for: query, in: thread.uniqueId!)
snInputView.showMentionsUI(for: candidates, in: thread)
}
}
}
oldText = newText
}
func resetMentions() {
oldText = ""
currentMentionStartIndex = nil
mentions = []
}
func replaceMentions(in text: String) -> String {
var result = text
for mention in mentions {
guard let range = result.range(of: "@\(mention.displayName)") else { continue }
result = result.replacingCharacters(in: range, with: "@\(mention.publicKey)")
}
return result
}
func handleMentionSelected(_ mention: Mention, from view: MentionSelectionView) {
guard let currentMentionStartIndex = currentMentionStartIndex else { return }
mentions.append(mention)
let oldText = snInputView.text
let newText = oldText.replacingCharacters(in: currentMentionStartIndex..., with: "@\(mention.displayName) ")
snInputView.text = newText
self.currentMentionStartIndex = nil
snInputView.hideMentionsUI()
self.oldText = newText
}
func showInputAccessoryView() {
UIView.animate(withDuration: 0.25, animations: {
self.inputAccessoryView?.isHidden = false
self.inputAccessoryView?.alpha = 1
})
}
// MARK: View Item Interaction
func handleViewItemLongPressed(_ viewItem: ConversationViewItem) {
// Show the context menu if applicable
guard let index = viewItems.firstIndex(where: { $0 === viewItem }),
let cell = messagesTableView.cellForRow(at: IndexPath(row: index, section: 0)) as? VisibleMessageCell,
let snapshot = cell.bubbleView.snapshotView(afterScreenUpdates: false), contextMenuWindow == nil,
!ContextMenuVC.actions(for: viewItem, delegate: self).isEmpty else { return }
UIImpactFeedbackGenerator(style: .heavy).impactOccurred()
let frame = cell.convert(cell.bubbleView.frame, to: UIApplication.shared.keyWindow!)
let window = ContextMenuWindow()
let contextMenuVC = ContextMenuVC(snapshot: snapshot, viewItem: viewItem, frame: frame, delegate: self) { [weak self] in
window.isHidden = true
guard let self = self else { return }
self.contextMenuVC = nil
self.contextMenuWindow = nil
self.scrollButton.alpha = 0
UIView.animate(withDuration: 0.25) {
self.scrollButton.alpha = self.getScrollButtonOpacity()
self.unreadCountView.alpha = self.scrollButton.alpha
}
}
self.contextMenuVC = contextMenuVC
contextMenuWindow = window
window.rootViewController = contextMenuVC
window.makeKeyAndVisible()
window.backgroundColor = .clear
}
func handleViewItemTapped(_ viewItem: ConversationViewItem, gestureRecognizer: UITapGestureRecognizer) {
func confirmDownload() {
let modal = DownloadAttachmentModal(viewItem: viewItem)
modal.modalPresentationStyle = .overFullScreen
modal.modalTransitionStyle = .crossDissolve
present(modal, animated: true, completion: nil)
}
if let message = viewItem.interaction as? TSOutgoingMessage, message.messageState == .failed {
// Show the failed message sheet
showFailedMessageSheet(for: message)
} else {
switch viewItem.messageCellType {
case .audio:
if viewItem.interaction is TSIncomingMessage,
let thread = self.thread as? TSContactThread,
Storage.shared.getContact(with: thread.contactSessionID())?.isTrusted != true {
confirmDownload()
} else {
playOrPauseAudio(for: viewItem)
}
case .mediaMessage:
guard let index = viewItems.firstIndex(where: { $0 === viewItem }),
let cell = messagesTableView.cellForRow(at: IndexPath(row: index, section: 0)) as? VisibleMessageCell else { return }
if viewItem.interaction is TSIncomingMessage,
let thread = self.thread as? TSContactThread,
Storage.shared.getContact(with: thread.contactSessionID())?.isTrusted != true {
confirmDownload()
} else {
guard let albumView = cell.albumView else { return }
let locationInCell = gestureRecognizer.location(in: cell)
// Figure out whether the "read more" button was tapped
if let overlayView = cell.mediaTextOverlayView {
let locationInOverlayView = cell.convert(locationInCell, to: overlayView)
if let readMoreButton = overlayView.readMoreButton, readMoreButton.frame.contains(locationInOverlayView) {
return showFullText(viewItem) // HACK: This is a dirty way to do this
}
}
// Otherwise, figure out which of the media views was tapped
let locationInAlbumView = cell.convert(locationInCell, to: albumView)
guard let mediaView = albumView.mediaView(forLocation: locationInAlbumView) else { return }
if albumView.isMoreItemsView(mediaView: mediaView) && viewItem.mediaAlbumHasFailedAttachment() {
// TODO: Tapped a failed incoming attachment
}
let attachment = mediaView.attachment
if let pointer = attachment as? TSAttachmentPointer {
if pointer.state == .failed {
// TODO: Tapped a failed incoming attachment
}
}
guard let stream = attachment as? TSAttachmentStream else { return }
let gallery = MediaGallery(thread: thread, options: [ .sliderEnabled, .showAllMediaButton ])
gallery.presentDetailView(fromViewController: self, mediaAttachment: stream)
}
case .genericAttachment:
if viewItem.interaction is TSIncomingMessage,
let thread = self.thread as? TSContactThread,
Storage.shared.getContact(with: thread.contactSessionID())?.isTrusted != true {
confirmDownload()
} else {
// Open the document if possible
guard let url = viewItem.attachmentStream?.originalMediaURL else { return }
let shareVC = UIActivityViewController(activityItems: [ url ], applicationActivities: nil)
navigationController!.present(shareVC, animated: true, completion: nil)
}
case .textOnlyMessage:
if let preview = viewItem.linkPreview, let urlAsString = preview.urlString, let url = URL(string: urlAsString) {
// Open the link preview URL
openURL(url)
} else if let reply = viewItem.quotedReply {
// Scroll to the source of the reply
guard let indexPath = viewModel.ensureLoadWindowContainsQuotedReply(reply) else { return }
messagesTableView.scrollToRow(at: indexPath, at: UITableView.ScrollPosition.middle, animated: true)
} else if let message = viewItem.interaction as? TSIncomingMessage, let name = message.openGroupInvitationName,
let url = message.openGroupInvitationURL {
joinOpenGroup(name: name, url: url)
}
default: break
}
}
}
func handleViewItemSwiped(_ viewItem: ConversationViewItem, state: SwipeState) {
switch state {
case .began:
messagesTableView.isScrollEnabled = false
case .ended, .cancelled:
messagesTableView.isScrollEnabled = true
}
}
func showFailedMessageSheet(for tsMessage: TSOutgoingMessage) {
let thread = self.thread
let error = tsMessage.mostRecentFailureText
let sheet = UIAlertController(title: error, message: nil, preferredStyle: .actionSheet)
sheet.addAction(UIAlertAction(title: "Cancel", style: .cancel, handler: nil))
sheet.addAction(UIAlertAction(title: "Delete", style: .destructive, handler: { _ in
Storage.write { transaction in
tsMessage.remove(with: transaction)
Storage.shared.cancelPendingMessageSendJobIfNeeded(for: tsMessage.timestamp, using: transaction)
}
}))
sheet.addAction(UIAlertAction(title: "Resend", style: .default, handler: { _ in
let message = VisibleMessage.from(tsMessage)
Storage.write { transaction in
var attachments: [TSAttachmentStream] = []
tsMessage.attachmentIds.forEach { attachmentID in
guard let attachmentID = attachmentID as? String else { return }
let attachment = TSAttachment.fetch(uniqueId: attachmentID, transaction: transaction)
guard let stream = attachment as? TSAttachmentStream else { return }
attachments.append(stream)
}
MessageSender.prep(attachments, for: message, using: transaction)
MessageSender.send(message, in: thread, using: transaction)
}
}))
// HACK: Extracting this info from the error string is pretty dodgy
let prefix = "HTTP request failed at destination (Service node "
if error.hasPrefix(prefix) {
let rest = error.substring(from: prefix.count)
if let index = rest.firstIndex(of: ")") {
let snodeAddress = String(rest[rest.startIndex..<index])
sheet.addAction(UIAlertAction(title: "Copy Service Node Info", style: .default, handler: { _ in
UIPasteboard.general.string = snodeAddress
}))
}
}
present(sheet, animated: true, completion: nil)
}
func handleViewItemDoubleTapped(_ viewItem: ConversationViewItem) {
switch viewItem.messageCellType {
case .audio: speedUpAudio(for: viewItem) // The user can double tap a voice message when it's playing to speed it up
default: break
}
}
func showFullText(_ viewItem: ConversationViewItem) {
let longMessageVC = LongTextViewController(viewItem: viewItem)
navigationController!.pushViewController(longMessageVC, animated: true)
}
func reply(_ viewItem: ConversationViewItem) {
var quoteDraftOrNil: OWSQuotedReplyModel?
Storage.read { transaction in
quoteDraftOrNil = OWSQuotedReplyModel.quotedReplyForSending(with: viewItem, threadId: viewItem.interaction.uniqueThreadId, transaction: transaction)
}
guard let quoteDraft = quoteDraftOrNil else { return }
let isOutgoing = (viewItem.interaction.interactionType() == .outgoingMessage)
snInputView.quoteDraftInfo = (model: quoteDraft, isOutgoing: isOutgoing)
snInputView.becomeFirstResponder()
}
func copy(_ viewItem: ConversationViewItem) {
if viewItem.canCopyMedia() {
viewItem.copyMediaAction()
} else {
viewItem.copyTextAction()
}
}
func copySessionID(_ viewItem: ConversationViewItem) {
// FIXME: Copying media
guard let message = viewItem.interaction as? TSIncomingMessage else { return }
UIPasteboard.general.string = message.authorId
}
func delete(_ viewItem: ConversationViewItem) {
if (!self.isUnsendRequestsEnabled) {
viewItem.deleteAction()
return
}
guard let message = viewItem.interaction as? TSMessage else { return self.deleteLocally(viewItem) }
// Handle open group messages the old way
if message.isOpenGroupMessage { return self.deleteForEveryone(viewItem) }
// Handle 1-1 and closed group messages with unsend request
if viewItem.interaction.interactionType() == .outgoingMessage, message.serverHash != nil {
let alertVC = UIAlertController.init(title: nil, message: nil, preferredStyle: .actionSheet)
let deleteLocallyAction = UIAlertAction.init(title: NSLocalizedString("delete_message_for_me", comment: ""), style: .destructive) { _ in
self.deleteLocally(viewItem)
self.showInputAccessoryView()
}
alertVC.addAction(deleteLocallyAction)
var title = NSLocalizedString("delete_message_for_everyone", comment: "")
if !viewItem.isGroupThread {
title = String(format: NSLocalizedString("delete_message_for_me_and_recipient", comment: ""), viewItem.interaction.thread.name())
}
let deleteRemotelyAction = UIAlertAction.init(title: title, style: .destructive) { _ in
self.deleteForEveryone(viewItem)
self.showInputAccessoryView()
}
alertVC.addAction(deleteRemotelyAction)
let cancelAction = UIAlertAction.init(title: NSLocalizedString("TXT_CANCEL_TITLE", comment: ""), style: .cancel) {_ in
self.showInputAccessoryView()
}
alertVC.addAction(cancelAction)
self.inputAccessoryView?.isHidden = true
self.inputAccessoryView?.alpha = 0
self.presentAlert(alertVC)
} else {
deleteLocally(viewItem)
}
}
private func buildUnsendRequest(_ viewItem: ConversationViewItem) -> UnsendRequest? {
if let message = viewItem.interaction as? TSMessage,
message.isOpenGroupMessage || message.serverHash == nil { return nil }
let unsendRequest = UnsendRequest()
switch viewItem.interaction.interactionType() {
case .incomingMessage:
if let incomingMessage = viewItem.interaction as? TSIncomingMessage {
unsendRequest.author = incomingMessage.authorId
}
case .outgoingMessage: unsendRequest.author = getUserHexEncodedPublicKey()
default: return nil // Should never occur
}
unsendRequest.timestamp = viewItem.interaction.timestamp
return unsendRequest
}
func deleteLocally(_ viewItem: ConversationViewItem) {
viewItem.deleteLocallyAction()
if let unsendRequest = buildUnsendRequest(viewItem) {
SNMessagingKitConfiguration.shared.storage.write { transaction in
MessageSender.send(unsendRequest, to: .contact(publicKey: getUserHexEncodedPublicKey()), using: transaction).retainUntilComplete()
}
}
}
func deleteForEveryone(_ viewItem: ConversationViewItem) {
viewItem.deleteLocallyAction()
viewItem.deleteRemotelyAction()
if let unsendRequest = buildUnsendRequest(viewItem) {
SNMessagingKitConfiguration.shared.storage.write { transaction in
MessageSender.send(unsendRequest, in: self.thread, using: transaction as! YapDatabaseReadWriteTransaction)
}
}
}
func save(_ viewItem: ConversationViewItem) {
guard viewItem.canSaveMedia() else { return }
viewItem.saveMediaAction()
sendMediaSavedNotificationIfNeeded(for: viewItem)
}
func ban(_ viewItem: ConversationViewItem) {
guard let message = viewItem.interaction as? TSIncomingMessage, message.isOpenGroupMessage else { return }
let explanation = "This will ban the selected user from this room. It won't ban them from other rooms."
let alert = UIAlertController(title: "Session", message: explanation, preferredStyle: .alert)
let threadID = thread.uniqueId!
alert.addAction(UIAlertAction(title: "OK", style: .default, handler: { _ in
let publicKey = message.authorId
guard let openGroupV2 = Storage.shared.getV2OpenGroup(for: threadID) else { return }
OpenGroupAPI.legacyBan(publicKey, from: openGroupV2.room, on: openGroupV2.server).retainUntilComplete()
}))
alert.addAction(UIAlertAction(title: "Cancel", style: .default, handler: nil))
present(alert, animated: true, completion: nil)
}
func banAndDeleteAllMessages(_ viewItem: ConversationViewItem) {
guard let message = viewItem.interaction as? TSIncomingMessage, message.isOpenGroupMessage else { return }
let explanation = "This will ban the selected user from this room and delete all messages sent by them. It won't ban them from other rooms or delete the messages they sent there."
let alert = UIAlertController(title: "Session", message: explanation, preferredStyle: .alert)
let threadID = thread.uniqueId!
alert.addAction(UIAlertAction(title: "OK", style: .default, handler: { _ in
let publicKey = message.authorId
guard let openGroupV2 = Storage.shared.getV2OpenGroup(for: threadID) else { return }
OpenGroupAPI.legacyBanAndDeleteAllMessages(publicKey, from: openGroupV2.room, on: openGroupV2.server).retainUntilComplete()
}))
alert.addAction(UIAlertAction(title: "Cancel", style: .default, handler: nil))
present(alert, animated: true, completion: nil)
}
func handleQuoteViewCancelButtonTapped() {
snInputView.quoteDraftInfo = nil
}
func openURL(_ url: URL) {
// URLs can be unsafe, so always ask the user whether they want to open one
let title = NSLocalizedString("modal_open_url_title", comment: "")
let message = String(format: NSLocalizedString("modal_open_url_explanation", comment: ""), url.absoluteString)
let alertVC = UIAlertController.init(title: title, message: message, preferredStyle: .actionSheet)
let openAction = UIAlertAction.init(title: NSLocalizedString("modal_open_url_button_title", comment: ""), style: .default) { _ in
UIApplication.shared.open(url, options: [:], completionHandler: nil)
self.showInputAccessoryView()
}
alertVC.addAction(openAction)
let copyAction = UIAlertAction.init(title: NSLocalizedString("modal_copy_url_button_title", comment: ""), style: .default) { _ in
UIPasteboard.general.string = url.absoluteString
self.showInputAccessoryView()
}
alertVC.addAction(copyAction)
let cancelAction = UIAlertAction.init(title: NSLocalizedString("cancel", comment: ""), style: .cancel) {_ in
self.showInputAccessoryView()
}
alertVC.addAction(cancelAction)
self.presentAlert(alertVC)
}
func joinOpenGroup(name: String, url: String) {
// Open groups can be unsafe, so always ask the user whether they want to join one
let joinOpenGroupModal = JoinOpenGroupModal(name: name, url: url)
joinOpenGroupModal.modalPresentationStyle = .overFullScreen
joinOpenGroupModal.modalTransitionStyle = .crossDissolve
present(joinOpenGroupModal, animated: true, completion: nil)
}
func handleReplyButtonTapped(for viewItem: ConversationViewItem) {
reply(viewItem)
}
func showUserDetails(for sessionID: String) {
let userDetailsSheet = UserDetailsSheet(for: sessionID)
userDetailsSheet.modalPresentationStyle = .overFullScreen
userDetailsSheet.modalTransitionStyle = .crossDissolve
present(userDetailsSheet, animated: true, completion: nil)
}
// MARK: Voice Message Playback
@objc func handleAudioDidFinishPlayingNotification(_ notification: Notification) {
// Play the next voice message if there is one
guard let audioPlayer = audioPlayer, let viewItem = audioPlayer.owner as? ConversationViewItem,
let index = viewItems.firstIndex(where: { $0 === viewItem }), index < (viewItems.endIndex - 1) else { return }
let nextViewItem = viewItems[index + 1]
guard nextViewItem.messageCellType == .audio else { return }
playOrPauseAudio(for: nextViewItem)
}
func playOrPauseAudio(for viewItem: ConversationViewItem) {
guard let attachment = viewItem.attachmentStream else { return }
let fileManager = FileManager.default
guard let path = attachment.originalFilePath, fileManager.fileExists(atPath: path),
let url = attachment.originalMediaURL else { return }
if let audioPlayer = audioPlayer {
if let owner = audioPlayer.owner as? ConversationViewItem, owner === viewItem {
audioPlayer.playbackRate = 1
audioPlayer.togglePlayState()
return
} else {
audioPlayer.stop()
self.audioPlayer = nil
}
}
let audioPlayer = OWSAudioPlayer(mediaUrl: url, audioBehavior: .audioMessagePlayback, delegate: viewItem)
self.audioPlayer = audioPlayer
audioPlayer.owner = viewItem
audioPlayer.play()
audioPlayer.setCurrentTime(Double(viewItem.audioProgressSeconds))
}
func speedUpAudio(for viewItem: ConversationViewItem) {
guard let audioPlayer = audioPlayer, let owner = audioPlayer.owner as? ConversationViewItem, owner === viewItem, audioPlayer.isPlaying else { return }
audioPlayer.playbackRate = 1.5
viewItem.lastAudioMessageView?.showSpeedUpLabel()
}
// MARK: Voice Message Recording
func startVoiceMessageRecording() {
// Request permission if needed
requestMicrophonePermissionIfNeeded() { [weak self] in
self?.cancelVoiceMessageRecording()
}
// Keep screen on
UIApplication.shared.isIdleTimerDisabled = false
guard AVAudioSession.sharedInstance().recordPermission == .granted else { return }
// Cancel any current audio playback
audioPlayer?.stop()
audioPlayer = nil
// Create URL
let directory = OWSTemporaryDirectory()
let fileName = "\(NSDate.millisecondTimestamp()).m4a"
let path = (directory as NSString).appendingPathComponent(fileName)
let url = URL(fileURLWithPath: path)
// Set up audio session
let isConfigured = audioSession.startAudioActivity(recordVoiceMessageActivity)
guard isConfigured else {
return cancelVoiceMessageRecording()
}
// Set up audio recorder
let settings: [String:NSNumber] = [
AVFormatIDKey : NSNumber(value: kAudioFormatMPEG4AAC),
AVSampleRateKey : NSNumber(value: 44100),
AVNumberOfChannelsKey : NSNumber(value: 2),
AVEncoderBitRateKey : NSNumber(value: 128 * 1024)
]
let audioRecorder: AVAudioRecorder
do {
audioRecorder = try AVAudioRecorder(url: url, settings: settings)
audioRecorder.isMeteringEnabled = true
self.audioRecorder = audioRecorder
} catch {
SNLog("Couldn't start audio recording due to error: \(error).")
return cancelVoiceMessageRecording()
}
// Limit voice messages to a minute
audioTimer = Timer.scheduledTimer(withTimeInterval: 180, repeats: false, block: { [weak self] _ in
self?.snInputView.hideVoiceMessageUI()
self?.endVoiceMessageRecording()
})
// Prepare audio recorder
guard audioRecorder.prepareToRecord() else {
SNLog("Couldn't prepare audio recorder.")
return cancelVoiceMessageRecording()
}
// Start recording
guard audioRecorder.record() else {
SNLog("Couldn't record audio.")
return cancelVoiceMessageRecording()
}
}
func endVoiceMessageRecording() {
UIApplication.shared.isIdleTimerDisabled = true
// Hide the UI
snInputView.hideVoiceMessageUI()
// Cancel the timer
audioTimer?.invalidate()
// Check preconditions
guard let audioRecorder = audioRecorder else { return }
// Get duration
let duration = audioRecorder.currentTime
// Stop the recording
stopVoiceMessageRecording()
// Check for user misunderstanding
guard duration > 1 else {
self.audioRecorder = nil
let title = NSLocalizedString("VOICE_MESSAGE_TOO_SHORT_ALERT_TITLE", comment: "")
let message = NSLocalizedString("VOICE_MESSAGE_TOO_SHORT_ALERT_MESSAGE", comment: "")
return OWSAlerts.showAlert(title: title, message: message)
}
// Get data
let dataSourceOrNil = DataSourcePath.dataSource(with: audioRecorder.url, shouldDeleteOnDeallocation: true)
self.audioRecorder = nil
guard let dataSource = dataSourceOrNil else { return SNLog("Couldn't load recorded data.") }
// Create attachment
let fileName = (NSLocalizedString("VOICE_MESSAGE_FILE_NAME", comment: "") as NSString).appendingPathExtension("m4a")
dataSource.sourceFilename = fileName
let attachment = SignalAttachment.voiceMessageAttachment(dataSource: dataSource, dataUTI: kUTTypeMPEG4Audio as String)
guard !attachment.hasError else {
return showErrorAlert(for: attachment, onDismiss: nil)
}
// Send attachment
sendAttachments([ attachment ], with: "")
}
func cancelVoiceMessageRecording() {
snInputView.hideVoiceMessageUI()
audioTimer?.invalidate()
stopVoiceMessageRecording()
audioRecorder = nil
}
func stopVoiceMessageRecording() {
audioRecorder?.stop()
audioSession.endAudioActivity(recordVoiceMessageActivity)
}
// MARK: Data Extraction Notifications
@objc func sendScreenshotNotificationIfNeeded() {
/*
guard thread is TSContactThread else { return }
let message = DataExtractionNotification()
message.kind = .screenshot
Storage.write { transaction in
MessageSender.send(message, in: self.thread, using: transaction)
}
*/
}
func sendMediaSavedNotificationIfNeeded(for viewItem: ConversationViewItem) {
guard thread is TSContactThread, viewItem.interaction.interactionType() == .incomingMessage else { return }
let message = DataExtractionNotification()
message.kind = .mediaSaved(timestamp: viewItem.interaction.timestamp)
Storage.write { transaction in
MessageSender.send(message, in: self.thread, using: transaction)
}
}
// MARK: Requesting Permission
func requestCameraPermissionIfNeeded() -> Bool {
switch AVCaptureDevice.authorizationStatus(for: .video) {
case .authorized: return true
case .denied, .restricted:
let modal = PermissionMissingModal(permission: "camera") { }
modal.modalPresentationStyle = .overFullScreen
modal.modalTransitionStyle = .crossDissolve
present(modal, animated: true, completion: nil)
return false
case .notDetermined:
AVCaptureDevice.requestAccess(for: .video, completionHandler: { _ in })
return false
default: return false
}
}
func requestMicrophonePermissionIfNeeded(onNotGranted: @escaping () -> Void) {
switch AVAudioSession.sharedInstance().recordPermission {
case .granted: break
case .denied:
onNotGranted()
let modal = PermissionMissingModal(permission: "microphone") {
onNotGranted()
}
modal.modalPresentationStyle = .overFullScreen
modal.modalTransitionStyle = .crossDissolve
present(modal, animated: true, completion: nil)
case .undetermined:
onNotGranted()
AVAudioSession.sharedInstance().requestRecordPermission { _ in }
default: break
}
}
func requestLibraryPermissionIfNeeded(onAuthorized: @escaping () -> Void) {
let authorizationStatus: PHAuthorizationStatus
if #available(iOS 14, *) {
authorizationStatus = PHPhotoLibrary.authorizationStatus(for: .readWrite)
if authorizationStatus == .notDetermined {
// When the user chooses to select photos (which is the .limit status),
// the PHPhotoUI will present the picker view on the top of the front view.
// Since we have the ScreenLockUI showing when we request premissions,
// the picker view will be presented on the top of the ScreenLockUI.
// However, the ScreenLockUI will dismiss with the permission request alert view, so
// the picker view then will dismiss, too. The selection process cannot be finished
// this way. So we add a flag (isRequestingPermission) to prevent the ScreenLockUI
// from showing when we request the photo library permission.
Environment.shared.isRequestingPermission = true
let appMode = AppModeManager.shared.currentAppMode
// FIXME: Rather than setting the app mode to light and then to dark again once we're done,
// it'd be better to just customize the appearance of the image picker. There doesn't currently
// appear to be a good way to do so though...
AppModeManager.shared.setCurrentAppMode(to: .light)
PHPhotoLibrary.requestAuthorization(for: .readWrite) { status in
DispatchQueue.main.async {
AppModeManager.shared.setCurrentAppMode(to: appMode)
}
Environment.shared.isRequestingPermission = false
if [ PHAuthorizationStatus.authorized, PHAuthorizationStatus.limited ].contains(status) {
onAuthorized()
}
}
}
} else {
authorizationStatus = PHPhotoLibrary.authorizationStatus()
if authorizationStatus == .notDetermined {
PHPhotoLibrary.requestAuthorization { status in
if status == .authorized {
onAuthorized()
}
}
}
}
switch authorizationStatus {
case .authorized, .limited:
onAuthorized()
case .denied, .restricted:
let modal = PermissionMissingModal(permission: "library") { }
modal.modalPresentationStyle = .overFullScreen
modal.modalTransitionStyle = .crossDissolve
present(modal, animated: true, completion: nil)
default: return
}
}
// MARK: - Convenience
func showErrorAlert(for attachment: SignalAttachment, onDismiss: (() -> ())?) {
let title = NSLocalizedString("ATTACHMENT_ERROR_ALERT_TITLE", comment: "")
let message = attachment.localizedErrorDescription ?? SignalAttachment.missingDataErrorMessage
OWSAlerts.showAlert(title: title, message: message, buttonTitle: nil) { _ in
onDismiss?()
}
}
}
// MARK: - Message Request Actions
extension ConversationVC {
fileprivate func approveMessageRequestIfNeeded(for thread: TSThread?, with transaction: YapDatabaseReadWriteTransaction, isNewThread: Bool, timestamp: UInt64) {
guard let contactThread: TSContactThread = thread as? TSContactThread else { return }
// If the contact doesn't exist then we should create it so we can store the 'isApproved' state
// (it'll be updated with correct profile info if they accept the message request so this
// shouldn't cause weird behaviours)
let sessionId: String = contactThread.contactSessionID()
let contact: Contact = (Storage.shared.getContact(with: sessionId) ?? Contact(sessionID: sessionId))
if !contact.isApproved {
// Default 'didApproveMe' to true for the person approving the message request
contact.isApproved = true
contact.didApproveMe = (contact.didApproveMe || !isNewThread)
Storage.shared.setContact(contact, using: transaction)
// If we aren't creating a new thread (ie. sending a message request) then send a
// messageRequestResponse back to the sender (this allows the sender to know that
// they have been approved and can now use this contact in closed groups)
if !isNewThread {
let messageRequestResponse: MessageRequestResponse = MessageRequestResponse(
publicKey: sessionId,
isApproved: true
)
messageRequestResponse.sentTimestamp = timestamp
MessageSender.send(messageRequestResponse, in: contactThread, using: transaction)
}
// Hide the 'messageRequestView' since the request has been approved and force a config
// sync to propagate the contact approval state (both must run on the main thread)
DispatchQueue.main.async { [weak self] in
self?.messageRequestView.isHidden = true
// Send a sync message with the details of the contact
if let appDelegate = UIApplication.shared.delegate as? AppDelegate {
appDelegate.forceSyncConfigurationNowIfNeeded().retainUntilComplete()
}
}
}
}
@objc func acceptMessageRequest() {
Storage.write { [weak self] transaction in
self?.approveMessageRequestIfNeeded(
for: self?.thread,
with: transaction,
isNewThread: false,
timestamp: NSDate.millisecondTimestamp()
)
}
}
@objc func deleteMessageRequest() {
guard let uniqueId: String = thread.uniqueId else { return }
Storage.write(
with: { [weak self] transaction in
Storage.shared.cancelPendingMessageSendJobs(for: uniqueId, using: transaction)
// Update the contact
if let contactThread: TSContactThread = self?.thread as? TSContactThread {
let sessionId: String = contactThread.contactSessionID()
if let contact: Contact = Storage.shared.getContact(with: sessionId) {
contact.isApproved = false
contact.isBlocked = true
Storage.shared.setContact(contact, using: transaction)
}
}
// Delete all thread content
self?.thread.removeAllThreadInteractions(with: transaction)
self?.thread.remove(with: transaction)
},
completion: { [weak self] in
// Block the contact
if let sessionId: String = (self?.thread as? TSContactThread)?.contactSessionID(), !OWSBlockingManager.shared().isRecipientIdBlocked(sessionId) {
OWSBlockingManager.shared().addBlockedPhoneNumber(sessionId)
}
// Force a config sync and pop to the previous screen (both must run on the main thread)
DispatchQueue.main.async {
if let appDelegate = UIApplication.shared.delegate as? AppDelegate {
appDelegate.forceSyncConfigurationNowIfNeeded().retainUntilComplete()
}
self?.navigationController?.popViewController(animated: true)
}
}
)
}
}
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