571 lines
22 KiB
Swift
571 lines
22 KiB
Swift
//
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// Copyright (c) 2017 Open Whisper Systems. All rights reserved.
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//
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import Foundation
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@objc
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enum MessageMetadataViewMode: UInt {
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case focusOnMessage
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case focusOnMetadata
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}
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class MessageMetadataViewController: OWSViewController {
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static let TAG = "[MessageMetadataViewController]"
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let TAG = "[MessageMetadataViewController]"
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// MARK: Properties
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let contactsManager: OWSContactsManager
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let databaseConnection: YapDatabaseConnection
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let bubbleFactory = OWSMessagesBubbleImageFactory()
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var bubbleView: UIView?
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let mode: MessageMetadataViewMode
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let viewItem: ConversationViewItem
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var message: TSMessage
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var mediaMessageView: MediaMessageView?
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var scrollView: UIScrollView?
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var contentView: UIView?
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var attachment: TSAttachment?
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var dataSource: DataSource?
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var attachmentStream: TSAttachmentStream?
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var messageBody: String?
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// MARK: Initializers
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@available(*, unavailable, message:"use other constructor instead.")
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required init?(coder aDecoder: NSCoder) {
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fatalError("\(#function) is unimplemented.")
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}
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required init(viewItem: ConversationViewItem, message: TSMessage, mode: MessageMetadataViewMode) {
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self.contactsManager = Environment.getCurrent().contactsManager
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self.viewItem = viewItem
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self.message = message
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self.mode = mode
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self.databaseConnection = TSStorageManager.shared().newDatabaseConnection()!
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super.init(nibName: nil, bundle: nil)
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}
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// MARK: View Lifecycle
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override func viewDidLoad() {
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super.viewDidLoad()
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self.databaseConnection.beginLongLivedReadTransaction()
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updateDBConnectionAndMessageToLatest()
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self.navigationItem.title = NSLocalizedString("MESSAGE_METADATA_VIEW_TITLE",
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comment: "Title for the 'message metadata' view.")
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createViews()
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self.view.layoutIfNeeded()
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if mode == .focusOnMetadata {
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if let bubbleView = self.bubbleView {
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let showAtLeast: CGFloat = 50
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let middleCenter = CGPoint(x: bubbleView.frame.origin.x + bubbleView.frame.width / 2,
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y: bubbleView.frame.origin.y + bubbleView.frame.height - showAtLeast)
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let offset = bubbleView.superview!.convert(middleCenter, to: scrollView)
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self.scrollView!.setContentOffset(offset, animated: false)
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}
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}
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NotificationCenter.default.addObserver(self,
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selector: #selector(yapDatabaseModified),
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name: NSNotification.Name.YapDatabaseModified,
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object: nil)
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}
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override func viewWillAppear(_ animated: Bool) {
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super.viewWillAppear(animated)
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mediaMessageView?.viewWillAppear(animated)
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}
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override func viewWillDisappear(_ animated: Bool) {
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super.viewWillDisappear(animated)
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mediaMessageView?.viewWillDisappear(animated)
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}
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// MARK: - Create Views
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private func createViews() {
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view.backgroundColor = UIColor.white
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let scrollView = UIScrollView()
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self.scrollView = scrollView
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view.addSubview(scrollView)
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scrollView.autoPinWidthToSuperview(withMargin: 0)
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scrollView.autoPin(toTopLayoutGuideOf: self, withInset: 0)
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// See notes on how to use UIScrollView with iOS Auto Layout:
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//
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// https://developer.apple.com/library/content/releasenotes/General/RN-iOSSDK-6_0/
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let contentView = UIView.container()
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self.contentView = contentView
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scrollView.addSubview(contentView)
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contentView.autoPinLeadingToSuperview()
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contentView.autoPinTrailingToSuperview()
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contentView.autoPinEdge(toSuperviewEdge: .top)
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contentView.autoPinEdge(toSuperviewEdge: .bottom)
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scrollView.layoutMargins = UIEdgeInsets(top: 0, left: 0, bottom: 0, right: 0)
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let hasAttachment = message.attachmentIds.count > 0
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if hasAttachment {
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let footer = UIToolbar()
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footer.barTintColor = UIColor.ows_materialBlue()
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view.addSubview(footer)
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footer.autoPinWidthToSuperview(withMargin: 0)
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footer.autoPinEdge(.top, to: .bottom, of: scrollView)
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footer.autoPin(toBottomLayoutGuideOf: self, withInset: 0)
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footer.items = [
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UIBarButtonItem(barButtonSystemItem: .flexibleSpace, target: nil, action: nil),
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UIBarButtonItem(barButtonSystemItem: .action, target: self, action: #selector(shareButtonPressed)),
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UIBarButtonItem(barButtonSystemItem: .flexibleSpace, target: nil, action: nil)
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]
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} else {
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scrollView.autoPin(toBottomLayoutGuideOf: self, withInset: 0)
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}
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updateContent()
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}
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private func updateContent() {
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guard let contentView = contentView else {
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owsFail("\(TAG) Missing contentView")
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return
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}
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// Remove any existing content views.
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for subview in contentView.subviews {
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subview.removeFromSuperview()
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}
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var rows = [UIView]()
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let contactsManager = Environment.getCurrent().contactsManager!
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let thread = message.thread
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// Content
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rows += contentRows()
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// Sender?
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if let incomingMessage = message as? TSIncomingMessage {
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let senderId = incomingMessage.authorId
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let senderName = contactsManager.contactOrProfileName(forPhoneIdentifier: senderId)
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rows.append(valueRow(name: NSLocalizedString("MESSAGE_METADATA_VIEW_SENDER",
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comment: "Label for the 'sender' field of the 'message metadata' view."),
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value: senderName))
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}
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// Recipient(s)
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if let outgoingMessage = message as? TSOutgoingMessage {
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let isGroupThread = message.thread.isGroupThread()
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let recipientStatusGroups: [MessageRecipientStatus] = [
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.read,
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.uploading,
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.delivered,
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.sent,
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.sending,
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.failed
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]
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for recipientStatusGroup in recipientStatusGroups {
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var groupRows = [UIView]()
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// TODO: It'd be nice to inset these dividers from the edge of the screen.
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let addDivider = {
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let divider = UIView()
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divider.backgroundColor = UIColor(white: 0.9, alpha: 1.0)
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divider.autoSetDimension(.height, toSize: 0.5)
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groupRows.append(divider)
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}
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for recipientId in thread.recipientIdentifiers {
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let (recipientStatus, statusMessage) = MessageRecipientStatusUtils.recipientStatusAndStatusMessage(outgoingMessage: outgoingMessage, recipientId: recipientId, referenceView: self.view)
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guard recipientStatus == recipientStatusGroup else {
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continue
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}
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if groupRows.count < 1 {
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if isGroupThread {
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groupRows.append(valueRow(name: string(for: recipientStatusGroup),
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value: ""))
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}
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addDivider()
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}
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let cell = ContactTableViewCell()
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cell.configure(withRecipientId: recipientId, contactsManager: self.contactsManager)
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let statusLabel = UILabel()
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statusLabel.text = statusMessage
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statusLabel.textColor = UIColor.ows_darkGray()
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statusLabel.font = UIFont.ows_footnote()
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statusLabel.sizeToFit()
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cell.accessoryView = statusLabel
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cell.autoSetDimension(.height, toSize: ContactTableViewCell.rowHeight())
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cell.setContentHuggingLow()
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cell.isUserInteractionEnabled = false
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groupRows.append(cell)
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}
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if groupRows.count > 0 {
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addDivider()
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let spacer = UIView()
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spacer.autoSetDimension(.height, toSize: 10)
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groupRows.append(spacer)
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}
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Logger.verbose("\(groupRows.count) rows for \(recipientStatusGroup)")
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guard groupRows.count > 0 else {
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continue
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}
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rows += groupRows
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}
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}
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rows.append(valueRow(name: NSLocalizedString("MESSAGE_METADATA_VIEW_SENT_DATE_TIME",
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comment: "Label for the 'sent date & time' field of the 'message metadata' view."),
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value: DateUtil.formatPastTimestampRelativeToNow(message.timestamp)))
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if message as? TSIncomingMessage != nil {
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rows.append(valueRow(name: NSLocalizedString("MESSAGE_METADATA_VIEW_RECEIVED_DATE_TIME",
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comment: "Label for the 'received date & time' field of the 'message metadata' view."),
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value: DateUtil.formatPastTimestampRelativeToNow(message.timestampForSorting())))
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}
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rows += addAttachmentMetadataRows()
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// TODO: We could include the "disappearing messages" state here.
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var lastRow: UIView?
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for row in rows {
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contentView.addSubview(row)
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row.autoPinLeadingToSuperview()
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row.autoPinTrailingToSuperview()
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if let lastRow = lastRow {
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row.autoPinEdge(.top, to: .bottom, of: lastRow, withOffset: 5)
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} else {
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row.autoPinEdge(toSuperviewEdge: .top, withInset: 20)
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}
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lastRow = row
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}
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if let lastRow = lastRow {
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lastRow.autoPinEdge(toSuperviewEdge: .bottom, withInset: 20)
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}
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if let mediaMessageView = mediaMessageView {
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mediaMessageView.autoPinToSquareAspectRatio()
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}
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}
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private func displayableTextIfText() -> String? {
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let messageCellType = viewItem.messageCellType()
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guard messageCellType == .textMessage ||
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messageCellType == .oversizeTextMessage else {
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return nil
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}
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guard let displayableText = viewItem.displayableText() else {
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return nil
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}
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let messageBody = displayableText.fullText
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guard messageBody.characters.count > 0 else {
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return nil
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}
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return messageBody
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}
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private func contentRows() -> [UIView] {
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var rows = [UIView]()
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if let messageBody = displayableTextIfText() {
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self.messageBody = messageBody
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let isIncoming = self.message as? TSIncomingMessage != nil
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// UITextView can't render extremely long text due to constraints
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// on the size of its backing buffer, especially when we're
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// embedding it "full-size' within a UIScrollView as we do in this view.
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//
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// TODO: We could use CoreText instead, or we could dynamically
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// manipulate the size/position of our UITextView to
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// reflect scroll state.
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let bodyLabel = UITextView()
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bodyLabel.font = UIFont.ows_dynamicTypeBody()
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bodyLabel.backgroundColor = UIColor.clear
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bodyLabel.isOpaque = false
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bodyLabel.isEditable = false
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bodyLabel.isSelectable = true
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bodyLabel.textContainerInset = UIEdgeInsets.zero
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bodyLabel.contentInset = UIEdgeInsets.zero
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bodyLabel.isScrollEnabled = false
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bodyLabel.textColor = isIncoming ? UIColor.black : UIColor.white
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bodyLabel.text = messageBody
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let bubbleImageData = isIncoming ? bubbleFactory.incoming : bubbleFactory.outgoing
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let leadingMargin: CGFloat = isIncoming ? 15 : 10
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let trailingMargin: CGFloat = isIncoming ? 10 : 15
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let bubbleView = UIImageView(image: bubbleImageData.messageBubbleImage)
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self.bubbleView = bubbleView
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bubbleView.layer.cornerRadius = 10
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bubbleView.addSubview(bodyLabel)
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bodyLabel.autoPinEdge(toSuperviewEdge: .leading, withInset: leadingMargin)
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bodyLabel.autoPinEdge(toSuperviewEdge: .trailing, withInset: trailingMargin)
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bodyLabel.autoPinHeightToSuperview(withMargin: 10)
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let row = UIView()
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row.addSubview(bubbleView)
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bubbleView.autoPinHeightToSuperview()
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bubbleView.autoPinLeadingToSuperview(withMargin: 10)
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bubbleView.autoPinTrailingToSuperview(withMargin: 10)
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rows.append(row)
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} else if message.attachmentIds.count > 0 {
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rows += addAttachmentRows()
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} else {
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// Neither attachment nor body.
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owsFail("\(self.TAG) Message has neither attachment nor body.")
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rows.append(valueRow(name: NSLocalizedString("MESSAGE_METADATA_VIEW_NO_ATTACHMENT_OR_BODY",
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comment: "Label for messages without a body or attachment in the 'message metadata' view."),
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value: ""))
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}
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let spacer = UIView()
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spacer.autoSetDimension(.height, toSize: 15)
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rows.append(spacer)
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return rows
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}
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private func addAttachmentRows() -> [UIView] {
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var rows = [UIView]()
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guard let attachmentId = message.attachmentIds[0] as? String else {
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owsFail("Invalid attachment")
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return rows
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}
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guard let attachment = TSAttachment.fetch(uniqueId: attachmentId) else {
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owsFail("Missing attachment")
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return rows
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}
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self.attachment = attachment
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guard let attachmentStream = attachment as? TSAttachmentStream else {
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rows.append(valueRow(name: NSLocalizedString("MESSAGE_METADATA_VIEW_ATTACHMENT_NOT_YET_DOWNLOADED",
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comment: "Label for 'not yet downloaded' attachments in the 'message metadata' view."),
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value: ""))
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return rows
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}
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self.attachmentStream = attachmentStream
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if let filePath = attachmentStream.filePath() {
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dataSource = DataSourcePath.dataSource(withFilePath: filePath)
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}
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guard let dataSource = dataSource else {
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rows.append(valueRow(name: NSLocalizedString("MESSAGE_METADATA_VIEW_ATTACHMENT_MISSING_FILE",
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comment: "Label for 'missing' attachments in the 'message metadata' view."),
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value: ""))
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return rows
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}
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let contentType = attachment.contentType
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if let dataUTI = MIMETypeUtil.utiType(forMIMEType: contentType) {
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let attachment = SignalAttachment(dataSource: dataSource, dataUTI: dataUTI)
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let mediaMessageView = MediaMessageView(attachment: attachment, mode: .small)
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mediaMessageView.backgroundColor = UIColor.white
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self.mediaMessageView = mediaMessageView
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rows.append(mediaMessageView)
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}
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return rows
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}
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private func addAttachmentMetadataRows() -> [UIView] {
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var rows = [UIView]()
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if let attachment = self.attachment {
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let contentType = attachment.contentType
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rows.append(valueRow(name: NSLocalizedString("MESSAGE_METADATA_VIEW_ATTACHMENT_MIME_TYPE",
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comment: "Label for the MIME type of attachments in the 'message metadata' view."),
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value: contentType))
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if let sourceFilename = attachment.sourceFilename {
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rows.append(valueRow(name: NSLocalizedString("MESSAGE_METADATA_VIEW_SOURCE_FILENAME",
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comment: "Label for the original filename of any attachment in the 'message metadata' view."),
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value: sourceFilename))
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}
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}
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if let dataSource = self.dataSource {
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let fileSize = dataSource.dataLength()
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rows.append(valueRow(name: NSLocalizedString("MESSAGE_METADATA_VIEW_ATTACHMENT_FILE_SIZE",
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comment: "Label for file size of attachments in the 'message metadata' view."),
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value: ViewControllerUtils.formatFileSize(UInt(fileSize))))
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}
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return rows
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}
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private func nameLabel(text: String) -> UILabel {
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let label = UILabel()
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label.textColor = UIColor.black
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label.font = UIFont.ows_mediumFont(withSize: 14)
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label.text = text
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label.setContentHuggingHorizontalHigh()
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return label
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}
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private func valueLabel(text: String) -> UILabel {
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let label = UILabel()
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label.textColor = UIColor.black
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label.font = UIFont.ows_regularFont(withSize: 14)
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label.text = text
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label.setContentHuggingHorizontalLow()
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return label
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}
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private func valueRow(name: String, value: String, subtitle: String = "") -> UIView {
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let row = UIView.container()
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let nameLabel = self.nameLabel(text: name)
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let valueLabel = self.valueLabel(text: value)
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row.addSubview(nameLabel)
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row.addSubview(valueLabel)
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nameLabel.autoPinLeadingToSuperview(withMargin: 20)
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valueLabel.autoPinTrailingToSuperview(withMargin: 20)
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valueLabel.autoPinLeading(toTrailingOf: nameLabel, margin: 10)
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nameLabel.autoPinEdge(toSuperviewEdge: .top)
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valueLabel.autoPinEdge(toSuperviewEdge: .top)
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if subtitle.characters.count > 0 {
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let subtitleLabel = self.valueLabel(text: subtitle)
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subtitleLabel.textColor = UIColor.ows_darkGray()
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row.addSubview(subtitleLabel)
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subtitleLabel.autoPinTrailingToSuperview()
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subtitleLabel.autoPinLeading(toTrailingOf: nameLabel, margin: 10)
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subtitleLabel.autoPinEdge(.top, to: .bottom, of: valueLabel, withOffset: 1)
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subtitleLabel.autoPinEdge(toSuperviewEdge: .bottom)
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} else if value.characters.count > 0 {
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valueLabel.autoPinEdge(toSuperviewEdge: .bottom)
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} else {
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nameLabel.autoPinEdge(toSuperviewEdge: .bottom)
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}
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return row
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}
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// MARK: - Actions
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func shareButtonPressed() {
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if let messageBody = messageBody {
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UIPasteboard.general.string = messageBody
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return
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}
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guard let attachmentStream = attachmentStream else {
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Logger.error("\(TAG) Message has neither attachment nor message body.")
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return
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}
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AttachmentSharing.showShareUI(forAttachment: attachmentStream)
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}
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func copyToPasteboard() {
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if let messageBody = messageBody {
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UIPasteboard.general.string = messageBody
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return
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}
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guard let attachmentStream = attachmentStream else {
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Logger.error("\(TAG) Message has neither attachment nor message body.")
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return
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}
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guard let utiType = MIMETypeUtil.utiType(forMIMEType: attachmentStream.contentType) else {
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Logger.error("\(TAG) Attachment has invalid MIME type: \(attachmentStream.contentType).")
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return
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}
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guard let dataSource = dataSource else {
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Logger.error("\(TAG) Attachment missing data source.")
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return
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}
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let data = dataSource.data()
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UIPasteboard.general.setData(data, forPasteboardType: utiType)
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}
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// MARK: - Actions
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// This method should be called after self.databaseConnection.beginLongLivedReadTransaction().
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private func updateDBConnectionAndMessageToLatest() {
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AssertIsOnMainThread()
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self.databaseConnection.read { transaction in
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guard let newMessage = TSInteraction.fetch(uniqueId: self.message.uniqueId, transaction: transaction) as? TSMessage else {
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|
Logger.error("\(self.TAG) Couldn't reload message.")
|
|
return
|
|
}
|
|
self.message = newMessage
|
|
}
|
|
}
|
|
|
|
internal func yapDatabaseModified(notification: NSNotification) {
|
|
AssertIsOnMainThread()
|
|
|
|
let notifications = self.databaseConnection.beginLongLivedReadTransaction()
|
|
|
|
guard self.databaseConnection.hasChange(forKey: message.uniqueId,
|
|
inCollection: TSInteraction.collection(),
|
|
in: notifications) else {
|
|
Logger.debug("\(TAG) No relevant changes.")
|
|
return
|
|
}
|
|
|
|
updateDBConnectionAndMessageToLatest()
|
|
|
|
updateContent()
|
|
}
|
|
|
|
private func string(for messageRecipientStatus: MessageRecipientStatus) -> String {
|
|
switch messageRecipientStatus {
|
|
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.")
|
|
}
|
|
}
|
|
}
|