Signal-iOS/Signal/src/ViewControllers/MessageDetailViewController.swift

944 lines
35 KiB
Swift

//
// Copyright (c) 2020 Open Whisper Systems. All rights reserved.
//
import Foundation
import SignalServiceKit
import SignalMessaging
@objc
enum MessageMetadataViewMode: UInt {
case focusOnMessage
case focusOnMetadata
}
@objc
protocol MessageDetailViewDelegate: AnyObject {
func detailViewMessageWasDeleted(_ messageDetailViewController: MessageDetailViewController)
}
@objc
class MessageDetailViewController: OWSViewController {
// MARK: - Dependencies
private var databaseStorage: SDSDatabaseStorage {
return SDSDatabaseStorage.shared
}
// MARK: -
@objc
weak var delegate: MessageDetailViewDelegate?
// MARK: Properties
var bubbleView: UIView?
let mode: MessageMetadataViewMode
let viewItem: ConversationViewItem
var message: TSMessage
var wasDeleted: Bool = false
var messageView: OWSMessageView?
var messageViewWidthLayoutConstraint: NSLayoutConstraint?
var messageViewHeightLayoutConstraint: NSLayoutConstraint?
var scrollView: UIScrollView!
var contentView: UIView?
var attachments: [TSAttachment]?
var attachmentStreams: [TSAttachmentStream]? {
return attachments?.flatMap { $0 as? TSAttachmentStream }
}
var messageBody: String?
lazy var shouldShowUD: Bool = {
return self.preferences.shouldShowUnidentifiedDeliveryIndicators()
}()
var conversationStyle: ConversationStyle
private var contactShareViewHelper: ContactShareViewHelper!
// MARK: Dependencies
var preferences: OWSPreferences {
return Environment.shared.preferences
}
var contactsManager: OWSContactsManager {
return Environment.shared.contactsManager
}
var audioAttachmentPlayer: OWSAudioPlayer?
// MARK: Initializers
@available(*, unavailable, message:"use other constructor instead.")
required init?(coder aDecoder: NSCoder) {
notImplemented()
}
@objc
required init(viewItem: ConversationViewItem, message: TSMessage, thread: TSThread, mode: MessageMetadataViewMode) {
self.viewItem = viewItem
self.message = message
self.mode = mode
self.conversationStyle = ConversationStyle(thread: thread)
super.init(nibName: nil, bundle: nil)
}
// MARK: View Lifecycle
override func viewDidLoad() {
super.viewDidLoad()
self.contactShareViewHelper = ContactShareViewHelper(contactsManager: contactsManager)
contactShareViewHelper.delegate = self
do {
try updateMessageToLatest()
} catch DetailViewError.messageWasDeleted {
self.delegate?.detailViewMessageWasDeleted(self)
} catch {
owsFailDebug("unexpected error")
}
// We use the navigation controller's width here as ours may not be calculated yet.
self.conversationStyle.viewWidth = navigationController?.view.width() ?? view.width()
self.navigationItem.title = NSLocalizedString("MESSAGE_METADATA_VIEW_TITLE",
comment: "Title for the 'message metadata' view.")
createViews()
self.view.layoutIfNeeded()
databaseStorage.add(databaseStorageObserver: self)
}
override public func viewWillTransition(to size: CGSize, with coordinator: UIViewControllerTransitionCoordinator) {
Logger.debug("")
super.viewWillTransition(to: size, with: coordinator)
self.conversationStyle.viewWidth = size.width
updateMessageViewLayout()
}
override func viewWillAppear(_ animated: Bool) {
super.viewWillAppear(animated)
updateMessageViewLayout()
if mode == .focusOnMetadata {
if let bubbleView = self.bubbleView {
// Force layout.
view.setNeedsLayout()
view.layoutIfNeeded()
let contentHeight = scrollView.contentSize.height
let scrollViewHeight = scrollView.frame.size.height
guard contentHeight >= scrollViewHeight else {
// All content is visible within the scroll view. No need to offset.
return
}
// We want to include at least a little portion of the message, but scroll no farther than necessary.
let showAtLeast: CGFloat = 50
let bubbleViewBottom = bubbleView.superview!.convert(bubbleView.frame, to: scrollView).maxY
let maxOffset = bubbleViewBottom - showAtLeast
let lastPage = contentHeight - scrollViewHeight
let offset = CGPoint(x: 0, y: min(maxOffset, lastPage))
scrollView.setContentOffset(offset, animated: false)
}
}
}
// MARK: - Create Views
private func createViews() {
view.backgroundColor = Theme.backgroundColor
let scrollView = UIScrollView()
self.scrollView = scrollView
view.addSubview(scrollView)
scrollView.autoPinWidthToSuperview(withMargin: 0)
if scrollView.applyInsetsFix() {
scrollView.autoPin(toTopLayoutGuideOf: self, withInset: 0)
} else {
scrollView.autoPinEdge(toSuperviewEdge: .top)
}
let contentView = UIView.container()
self.contentView = contentView
scrollView.addSubview(contentView)
contentView.autoPinLeadingToSuperviewMargin()
contentView.autoPinTrailingToSuperviewMargin()
contentView.autoPinEdge(toSuperviewEdge: .top)
contentView.autoPinEdge(toSuperviewEdge: .bottom)
scrollView.layoutMargins = UIEdgeInsets(top: 0, left: 0, bottom: 0, right: 0)
scrollView.contentInset = UIEdgeInsets(top: 20, left: 0, bottom: 20, right: 0)
if hasMediaAttachment {
let footer = UIToolbar()
view.addSubview(footer)
footer.autoPinWidthToSuperview(withMargin: 0)
footer.autoPinEdge(.top, to: .bottom, of: scrollView)
footer.autoPin(toBottomLayoutGuideOf: self, withInset: 0)
footer.tintColor = Theme.primaryIconColor
footer.items = [
UIBarButtonItem(barButtonSystemItem: .flexibleSpace, target: nil, action: nil),
UIBarButtonItem(
image: Theme.iconImage(.messageActionShare),
style: .plain,
target: self,
action: #selector(shareButtonPressed)
),
UIBarButtonItem(barButtonSystemItem: .flexibleSpace, target: nil, action: nil)
]
} else {
scrollView.autoPinEdge(toSuperviewEdge: .bottom)
}
updateContent()
}
lazy var thread: TSThread = {
var thread: TSThread?
databaseStorage.uiRead { transaction in
thread = self.message.thread(transaction: transaction)
}
return thread!
}()
private func updateContent() {
guard let contentView = contentView else {
owsFailDebug("Missing contentView")
return
}
// Remove any existing content views.
for subview in contentView.subviews {
subview.removeFromSuperview()
}
var rows = [UIView]()
// Content
rows += contentRows()
// Sender?
if let incomingMessage = message as? TSIncomingMessage {
let senderName: String
if FeatureFlags.profileDisplayChanges {
senderName = contactsManager.displayName(for: incomingMessage.authorAddress)
} else {
senderName = contactsManager.legacyDisplayName(for: incomingMessage.authorAddress)
}
rows.append(valueRow(name: NSLocalizedString("MESSAGE_METADATA_VIEW_SENDER",
comment: "Label for the 'sender' field of the 'message metadata' view."),
value: senderName))
}
// Recipient(s)
if let outgoingMessage = message as? TSOutgoingMessage {
let isGroupThread = thread.isGroupThread()
let recipientStatusGroups: [MessageReceiptStatus] = [
.read,
.uploading,
.delivered,
.sent,
.sending,
.failed,
.skipped
]
for recipientStatusGroup in recipientStatusGroups {
var groupRows = [UIView]()
// TODO: It'd be nice to inset these dividers from the edge of the screen.
let addDivider = {
let divider = UIView()
divider.backgroundColor = Theme.hairlineColor
divider.autoSetDimension(.height, toSize: CGHairlineWidth())
groupRows.append(divider)
}
let messageRecipientAddresses = outgoingMessage.recipientAddresses()
for recipientAddress in messageRecipientAddresses {
guard let recipientState = outgoingMessage.recipientState(for: recipientAddress) else {
owsFailDebug("no message status for recipient: \(recipientAddress).")
continue
}
// We use the "short" status message to avoid being redundant with the section title.
let (recipientStatus, shortStatusMessage, _) = MessageRecipientStatusUtils.recipientStatusAndStatusMessage(outgoingMessage: outgoingMessage, recipientState: recipientState)
guard recipientStatus == recipientStatusGroup else {
continue
}
if groupRows.count < 1 {
if isGroupThread {
groupRows.append(valueRow(name: string(for: recipientStatusGroup),
value: ""))
}
addDivider()
}
// We use ContactCellView, not ContactTableViewCell.
// Table view cells don't layout properly outside the
// context of a table view.
let cellView = ContactCellView()
if self.shouldShowUD, recipientState.wasSentByUD {
let udAccessoryView = self.buildUDAccessoryView(text: shortStatusMessage)
cellView.setAccessory(udAccessoryView)
} else {
cellView.accessoryMessage = shortStatusMessage
}
cellView.configure(withRecipientAddress: recipientAddress)
let wrapper = UIView()
wrapper.layoutMargins = UIEdgeInsets(top: 8, left: 20, bottom: 8, right: 20)
wrapper.addSubview(cellView)
cellView.autoPinEdgesToSuperviewMargins()
groupRows.append(wrapper)
}
if groupRows.count > 0 {
addDivider()
let spacer = UIView()
spacer.autoSetDimension(.height, toSize: 10)
groupRows.append(spacer)
}
Logger.verbose("\(groupRows.count) rows for \(recipientStatusGroup)")
guard groupRows.count > 0 else {
continue
}
rows += groupRows
}
}
let sentText = DateUtil.formatPastTimestampRelativeToNow(message.timestamp)
let sentRow: UIStackView = valueRow(name: NSLocalizedString("MESSAGE_METADATA_VIEW_SENT_DATE_TIME",
comment: "Label for the 'sent date & time' field of the 'message metadata' view."),
value: sentText)
if let incomingMessage = message as? TSIncomingMessage {
if self.shouldShowUD, incomingMessage.wasReceivedByUD {
let icon = #imageLiteral(resourceName: "ic_secret_sender_indicator").withRenderingMode(.alwaysTemplate)
let iconView = UIImageView(image: icon)
iconView.tintColor = Theme.secondaryTextAndIconColor
iconView.setContentHuggingHigh()
sentRow.addArrangedSubview(iconView)
// keep the icon close to the label.
let spacerView = UIView()
spacerView.setContentHuggingLow()
sentRow.addArrangedSubview(spacerView)
}
}
sentRow.isUserInteractionEnabled = true
sentRow.addGestureRecognizer(UILongPressGestureRecognizer(target: self, action: #selector(didLongPressSent)))
rows.append(sentRow)
if message is TSIncomingMessage {
rows.append(valueRow(name: NSLocalizedString("MESSAGE_METADATA_VIEW_RECEIVED_DATE_TIME",
comment: "Label for the 'received date & time' field of the 'message metadata' view."),
value: DateUtil.formatPastTimestampRelativeToNow(message.receivedAtTimestamp)))
}
rows += addAttachmentMetadataRows()
// TODO: We could include the "disappearing messages" state here.
let rowStack = UIStackView(arrangedSubviews: rows)
rowStack.axis = .vertical
rowStack.spacing = 5
contentView.addSubview(rowStack)
rowStack.autoPinEdgesToSuperviewMargins()
contentView.layoutIfNeeded()
updateMessageViewLayout()
}
private func displayableTextIfText() -> String? {
guard viewItem.hasBodyText else {
return nil
}
guard let displayableText = viewItem.displayableBodyText else {
return nil
}
let messageBody = displayableText.fullText
guard messageBody.count > 0 else {
return nil
}
return messageBody
}
let bubbleViewHMargin: CGFloat = 10
private func contentRows() -> [UIView] {
var rows = [UIView]()
let messageView: OWSMessageView
if viewItem.messageCellType == .stickerMessage {
let messageStickerView = OWSMessageStickerView(frame: CGRect.zero)
messageStickerView.delegate = self
messageView = messageStickerView
} else if viewItem.messageCellType == .viewOnce {
let messageViewOnceView = OWSMessageViewOnceView(frame: CGRect.zero)
messageViewOnceView.delegate = self
messageView = messageViewOnceView
} else {
let messageBubbleView = OWSMessageBubbleView(frame: CGRect.zero)
messageBubbleView.delegate = self
messageView = messageBubbleView
}
messageView.addGestureHandlers()
self.messageView = messageView
messageView.viewItem = viewItem
messageView.cellMediaCache = NSCache()
messageView.conversationStyle = conversationStyle
messageView.configureViews()
messageView.loadContent()
assert(messageView.isUserInteractionEnabled)
let row = UIView()
row.addSubview(messageView)
messageView.autoPinHeightToSuperview()
let isIncoming = self.message as? TSIncomingMessage != nil
messageView.autoPinEdge(toSuperviewEdge: isIncoming ? .leading : .trailing, withInset: bubbleViewHMargin)
self.messageViewWidthLayoutConstraint = messageView.autoSetDimension(.width, toSize: 0)
self.messageViewHeightLayoutConstraint = messageView.autoSetDimension(.height, toSize: 0)
rows.append(row)
if rows.isEmpty {
// Neither attachment nor body.
owsFailDebug("Message has neither attachment nor body.")
rows.append(valueRow(name: NSLocalizedString("MESSAGE_METADATA_VIEW_NO_ATTACHMENT_OR_BODY",
comment: "Label for messages without a body or attachment in the 'message metadata' view."),
value: ""))
}
let spacer = UIView()
spacer.autoSetDimension(.height, toSize: 15)
rows.append(spacer)
return rows
}
var hasMediaAttachment: Bool {
guard let attachmentStreams = self.attachmentStreams, !attachmentStreams.isEmpty else {
return false
}
return true
}
private let byteCountFormatter: ByteCountFormatter = ByteCountFormatter()
private func addAttachmentMetadataRows() -> [UIView] {
guard hasMediaAttachment else {
return []
}
var rows = [UIView]()
if self.attachments?.count == 1, let attachment = self.attachments?.first {
if let sourceFilename = attachment.sourceFilename {
rows.append(valueRow(name: NSLocalizedString("MESSAGE_METADATA_VIEW_SOURCE_FILENAME",
comment: "Label for the original filename of any attachment in the 'message metadata' view."),
value: sourceFilename))
}
if _isDebugAssertConfiguration() {
let contentType = attachment.contentType
rows.append(valueRow(name: NSLocalizedString("MESSAGE_METADATA_VIEW_ATTACHMENT_MIME_TYPE",
comment: "Label for the MIME type of attachments in the 'message metadata' view."),
value: contentType))
if let formattedByteCount = byteCountFormatter.string(for: attachment.byteCount) {
rows.append(valueRow(name: NSLocalizedString("MESSAGE_METADATA_VIEW_ATTACHMENT_FILE_SIZE",
comment: "Label for file size of attachments in the 'message metadata' view."),
value: formattedByteCount))
} else {
owsFailDebug("formattedByteCount was unexpectedly nil")
}
}
}
return rows
}
private func buildUDAccessoryView(text: String) -> UIView {
let label = UILabel()
label.textColor = Theme.secondaryTextAndIconColor
label.text = text
label.textAlignment = .right
label.font = UIFont.ows_semiboldFont(withSize: 13)
let image = #imageLiteral(resourceName: "ic_secret_sender_indicator").withRenderingMode(.alwaysTemplate)
let imageView = UIImageView(image: image)
imageView.tintColor = Theme.middleGrayColor
let hStack = UIStackView(arrangedSubviews: [imageView, label])
hStack.axis = .horizontal
hStack.spacing = 8
return hStack
}
private func nameLabel(text: String) -> UILabel {
let label = UILabel()
label.textColor = Theme.primaryTextColor
label.font = UIFont.ows_semiboldFont(withSize: 14)
label.text = text
label.setContentHuggingHorizontalHigh()
return label
}
private func valueLabel(text: String) -> UILabel {
let label = UILabel()
label.textColor = Theme.primaryTextColor
label.font = UIFont.ows_regularFont(withSize: 14)
label.text = text
label.setContentHuggingHorizontalLow()
return label
}
private func valueRow(name: String, value: String, subtitle: String = "") -> UIStackView {
let nameLabel = self.nameLabel(text: name)
let valueLabel = self.valueLabel(text: value)
let hStackView = UIStackView(arrangedSubviews: [nameLabel, valueLabel])
hStackView.axis = .horizontal
hStackView.spacing = 10
hStackView.layoutMargins = UIEdgeInsets(top: 0, left: 20, bottom: 0, right: 20)
hStackView.isLayoutMarginsRelativeArrangement = true
if subtitle.count > 0 {
let subtitleLabel = self.valueLabel(text: subtitle)
subtitleLabel.textColor = Theme.secondaryTextAndIconColor
hStackView.addArrangedSubview(subtitleLabel)
}
return hStackView
}
// MARK: - Actions
@objc func shareButtonPressed(_ sender: UIBarButtonItem) {
guard let attachmentStreams = attachmentStreams, !attachmentStreams.isEmpty else {
Logger.error("Share button should only be shown with attachments, but no attachments found.")
return
}
AttachmentSharing.showShareUI(forAttachments: attachmentStreams, sender: sender)
}
// MARK: - Actions
enum DetailViewError: Error {
case messageWasDeleted
}
// This method should be called after self.databaseConnection.beginLongLivedReadTransaction().
private func updateMessageToLatest() throws {
AssertIsOnMainThread()
try databaseStorage.uiReadThrows { transaction in
let uniqueId = self.message.uniqueId
guard let newMessage = TSInteraction.anyFetch(uniqueId: uniqueId, transaction: transaction) as? TSMessage else {
Logger.error("Message was deleted")
throw DetailViewError.messageWasDeleted
}
self.message = newMessage
self.attachments = newMessage.mediaAttachments(with: transaction)
}
}
private func string(for messageReceiptStatus: MessageReceiptStatus) -> String {
switch messageReceiptStatus {
case .uploading:
return NSLocalizedString("MESSAGE_METADATA_VIEW_MESSAGE_STATUS_UPLOADING",
comment: "Status label for messages which are uploading.")
case .sending:
return NSLocalizedString("MESSAGE_METADATA_VIEW_MESSAGE_STATUS_SENDING",
comment: "Status label for messages which are sending.")
case .sent:
return NSLocalizedString("MESSAGE_METADATA_VIEW_MESSAGE_STATUS_SENT",
comment: "Status label for messages which are sent.")
case .delivered:
return NSLocalizedString("MESSAGE_METADATA_VIEW_MESSAGE_STATUS_DELIVERED",
comment: "Status label for messages which are delivered.")
case .read:
return NSLocalizedString("MESSAGE_METADATA_VIEW_MESSAGE_STATUS_READ",
comment: "Status label for messages which are read.")
case .failed:
return NSLocalizedString("MESSAGE_METADATA_VIEW_MESSAGE_STATUS_FAILED",
comment: "Status label for messages which are failed.")
case .skipped:
return NSLocalizedString("MESSAGE_METADATA_VIEW_MESSAGE_STATUS_SKIPPED",
comment: "Status label for messages which were skipped.")
}
}
// MARK: - Audio Setup
private func prepareAudioPlayer(for viewItem: ConversationViewItem, attachmentStream: TSAttachmentStream) {
AssertIsOnMainThread()
guard let mediaURL = attachmentStream.originalMediaURL else {
owsFailDebug("mediaURL was unexpectedly nil for attachment: \(attachmentStream)")
return
}
guard FileManager.default.fileExists(atPath: mediaURL.path) else {
owsFailDebug("audio file missing at path: \(mediaURL)")
return
}
if let audioAttachmentPlayer = self.audioAttachmentPlayer {
// Is this player associated with this media adapter?
if audioAttachmentPlayer.owner?.isEqual(viewItem.interaction.uniqueId) == true {
return
}
audioAttachmentPlayer.stop()
self.audioAttachmentPlayer = nil
}
let audioAttachmentPlayer = OWSAudioPlayer(mediaUrl: mediaURL, audioBehavior: .audioMessagePlayback, delegate: viewItem)
self.audioAttachmentPlayer = audioAttachmentPlayer
// Associate the player with this media adapter.
audioAttachmentPlayer.owner = viewItem.interaction.uniqueId as AnyObject
audioAttachmentPlayer.setupAudioPlayer()
}
// MARK: - Message Bubble Layout
private func updateMessageViewLayout() {
guard let messageView = messageView else {
return
}
guard let messageViewWidthLayoutConstraint = messageViewWidthLayoutConstraint else {
return
}
guard let messageViewHeightLayoutConstraint = messageViewHeightLayoutConstraint else {
return
}
let messageBubbleSize = messageView.measureSize()
messageViewWidthLayoutConstraint.constant = messageBubbleSize.width
messageViewHeightLayoutConstraint.constant = messageBubbleSize.height
}
}
extension MessageDetailViewController: OWSMessageBubbleViewDelegate {
func didTapImageViewItem(_ viewItem: ConversationViewItem, attachmentStream: TSAttachmentStream, imageView: UIView) {
let mediaPageVC = MediaPageViewController(
initialMediaAttachment: attachmentStream,
thread: thread,
showingSingleMessage: true
)
mediaPageVC.mediaGallery.addDelegate(self)
present(mediaPageVC, animated: true)
}
func didTapVideoViewItem(_ viewItem: ConversationViewItem, attachmentStream: TSAttachmentStream, imageView: UIView) {
let mediaPageVC = MediaPageViewController(
initialMediaAttachment: attachmentStream,
thread: thread,
showingSingleMessage: true
)
mediaPageVC.mediaGallery.addDelegate(self)
present(mediaPageVC, animated: true)
}
func didTapContactShare(_ viewItem: ConversationViewItem) {
guard let contactShare = viewItem.contactShare else {
owsFailDebug("missing contact.")
return
}
let contactViewController = ContactViewController(contactShare: contactShare)
self.navigationController?.pushViewController(contactViewController, animated: true)
}
func didTapSendMessage(toContactShare contactShare: ContactShareViewModel) {
contactShareViewHelper.sendMessage(contactShare: contactShare, fromViewController: self)
}
func didTapSendInvite(toContactShare contactShare: ContactShareViewModel) {
contactShareViewHelper.showInviteContact(contactShare: contactShare, fromViewController: self)
}
func didTapShowAddToContactUI(forContactShare contactShare: ContactShareViewModel) {
contactShareViewHelper.showAddToContacts(contactShare: contactShare, fromViewController: self)
}
func didTapStickerPack(_ stickerPackInfo: StickerPackInfo) {
guard FeatureFlags.stickerAutoEnable || FeatureFlags.stickerSend else {
return
}
let packView = StickerPackViewController(stickerPackInfo: stickerPackInfo)
packView.present(from: self, animated: true)
}
func didTapAudioViewItem(_ viewItem: ConversationViewItem, attachmentStream: TSAttachmentStream) {
AssertIsOnMainThread()
self.prepareAudioPlayer(for: viewItem, attachmentStream: attachmentStream)
// Resume from where we left off
audioAttachmentPlayer?.setCurrentTime(TimeInterval(viewItem.audioProgressSeconds))
audioAttachmentPlayer?.togglePlayState()
}
func didScrubAudioViewItem(_ viewItem: ConversationViewItem, toTime time: TimeInterval, attachmentStream: TSAttachmentStream) {
AssertIsOnMainThread()
self.prepareAudioPlayer(for: viewItem, attachmentStream: attachmentStream)
audioAttachmentPlayer?.setCurrentTime(time)
}
func didTapPdf(for viewItem: ConversationViewItem, attachmentStream: TSAttachmentStream) {
AssertIsOnMainThread()
let pdfView = PdfViewController(viewItem: viewItem, attachmentStream: attachmentStream)
let navigationController = OWSNavigationController(rootViewController: pdfView)
presentFullScreen(navigationController, animated: true)
}
func didTapTruncatedTextMessage(_ conversationItem: ConversationViewItem) {
guard let navigationController = self.navigationController else {
owsFailDebug("navigationController was unexpectedly nil")
return
}
let viewController = LongTextViewController(viewItem: viewItem)
viewController.delegate = self
navigationController.pushViewController(viewController, animated: true)
}
func didTapFailedIncomingAttachment(_ viewItem: ConversationViewItem) {
// no - op
}
func didTapFailedOutgoingMessage(_ message: TSOutgoingMessage) {
// no - op
}
func didTapConversationItem(_ viewItem: ConversationViewItem, quotedReply: OWSQuotedReplyModel) {
// no - op
}
func didTapConversationItem(_ viewItem: ConversationViewItem, quotedReply: OWSQuotedReplyModel, failedThumbnailDownloadAttachmentPointer attachmentPointer: TSAttachmentPointer) {
// no - op
}
func didTapConversationItem(_ viewItem: ConversationViewItem, linkPreview: OWSLinkPreview) {
guard let urlString = linkPreview.urlString else {
owsFailDebug("Missing url.")
return
}
guard let url = URL(string: urlString) else {
owsFailDebug("Invalid url: \(urlString).")
return
}
UIApplication.shared.openURL(url)
}
@objc func didLongPressSent(sender: UIGestureRecognizer) {
guard sender.state == .began else {
return
}
let messageTimestamp = "\(message.timestamp)"
UIPasteboard.general.string = messageTimestamp
}
var lastSearchedText: String? {
return nil
}
}
extension MessageDetailViewController: MediaGalleryDelegate {
func mediaGallery(_ mediaGallery: MediaGallery, willDelete items: [MediaGalleryItem], initiatedBy: AnyObject) {
Logger.info("")
guard (items.map({ $0.message }) == [self.message]) else {
// Should only be one message we can delete when viewing message details
owsFailDebug("Unexpectedly informed of irrelevant message deletion")
return
}
self.wasDeleted = true
}
func mediaGallery(_ mediaGallery: MediaGallery, deletedSections: IndexSet, deletedItems: [IndexPath]) {
self.dismiss(animated: true) {
self.navigationController?.popViewController(animated: true)
}
}
}
extension MessageDetailViewController: OWSMessageStickerViewDelegate {
public func showStickerPack(_ stickerPackInfo: StickerPackInfo) {
let packView = StickerPackViewController(stickerPackInfo: stickerPackInfo)
packView.present(from: self, animated: true)
}
}
extension MessageDetailViewController: OWSMessageViewOnceViewDelegate {
public func didTapViewOnceAttachment(_ viewItem: ConversationViewItem, attachmentStream: TSAttachmentStream) {
ViewOnceMessageViewController.tryToPresent(interaction: viewItem.interaction,
from: self)
}
func didTapViewOnceExpired(_ viewItem: ConversationViewItem) {
}
}
extension MessageDetailViewController: ContactShareViewHelperDelegate {
public func didCreateOrEditContact() {
updateContent()
self.dismiss(animated: true)
}
}
extension MessageDetailViewController: LongTextViewDelegate {
func longTextViewMessageWasDeleted(_ longTextViewController: LongTextViewController) {
self.delegate?.detailViewMessageWasDeleted(self)
}
}
extension MessageDetailViewController: MediaPresentationContextProvider {
func mediaPresentationContext(galleryItem: MediaGalleryItem, in coordinateSpace: UICoordinateSpace) -> MediaPresentationContext? {
guard let messageBubbleView = self.messageView as? OWSMessageBubbleView else {
owsFailDebug("messageBubbleView was unexpectedly nil")
return nil
}
guard let mediaView = messageBubbleView.albumItemView(forAttachment: galleryItem.attachmentStream) else {
owsFailDebug("itemView was unexpectedly nil")
return nil
}
guard let mediaSuperview = mediaView.superview else {
owsFailDebug("mediaSuperview was unexpectedly nil")
return nil
}
let presentationFrame = coordinateSpace.convert(mediaView.frame, from: mediaSuperview)
// TODO better corner rounding.
return MediaPresentationContext(mediaView: mediaView, presentationFrame: presentationFrame, cornerRadius: kOWSMessageCellCornerRadius_Small * 2)
}
func snapshotOverlayView(in coordinateSpace: UICoordinateSpace) -> (UIView, CGRect)? {
return nil
}
func mediaWillDismiss(toContext: MediaPresentationContext) {
guard let messageBubbleView = toContext.messageBubbleView else { return }
// To avoid flicker when transition view is animated over the message bubble,
// we initially hide the overlaying elements and fade them in.
messageBubbleView.footerView.alpha = 0
messageBubbleView.bodyMediaGradientView?.alpha = 0.0
}
func mediaDidDismiss(toContext: MediaPresentationContext) {
guard let messageBubbleView = toContext.messageBubbleView else { return }
// To avoid flicker when transition view is animated over the message bubble,
// we initially hide the overlaying elements and fade them in.
let duration: TimeInterval = kIsDebuggingMediaPresentationAnimations ? 1.5 : 0.2
UIView.animate(
withDuration: duration,
animations: {
messageBubbleView.footerView.alpha = 1.0
messageBubbleView.bodyMediaGradientView?.alpha = 1.0
})
}
}
private extension MediaPresentationContext {
var messageBubbleView: OWSMessageBubbleView? {
guard let messageBubbleView = mediaView.firstAncestor(ofType: OWSMessageBubbleView.self) else {
owsFailDebug("unexpected mediaView: \(mediaView)")
return nil
}
return messageBubbleView
}
}
// MARK: -
extension MessageDetailViewController: SDSDatabaseStorageObserver {
func databaseStorageDidUpdate(change: SDSDatabaseStorageChange) {
AssertIsOnMainThread()
guard change.didUpdate(interaction: self.message) else {
return
}
refreshContent()
}
func databaseStorageDidUpdateExternally() {
AssertIsOnMainThread()
refreshContent()
}
func databaseStorageDidReset() {
AssertIsOnMainThread()
refreshContent()
}
private func refreshContent() {
AssertIsOnMainThread()
guard !wasDeleted else {
// Item was deleted in the tile view gallery.
// Don't bother re-rendering, it will fail and we'll soon be dismissed.
return
}
do {
try updateMessageToLatest()
} catch DetailViewError.messageWasDeleted {
DispatchQueue.main.async {
self.delegate?.detailViewMessageWasDeleted(self)
}
return
} catch {
owsFailDebug("unexpected error: \(error)")
}
updateContent()
}
}