Disabled tableview scroll when swiping to reply in a conversation
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@ -468,6 +468,15 @@ extension ConversationVC : InputViewDelegate, MessageCellDelegate, ContextMenuAc
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}
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}
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}
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func handleViewItemSwiped(_ viewItem: ConversationViewItem, state: SwipeState) {
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switch state {
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case .began:
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messagesTableView.isScrollEnabled = false
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case .ended, .cancelled:
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messagesTableView.isScrollEnabled = true
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}
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}
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func showFailedMessageSheet(for tsMessage: TSOutgoingMessage) {
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let thread = self.thread
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@ -1,5 +1,11 @@
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import UIKit
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public enum SwipeState {
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case began
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case ended
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case cancelled
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}
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class MessageCell : UITableViewCell {
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weak var delegate: MessageCellDelegate?
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var viewItem: ConversationViewItem? { didSet { update() } }
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@ -55,6 +61,7 @@ protocol MessageCellDelegate : AnyObject {
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func handleViewItemLongPressed(_ viewItem: ConversationViewItem)
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func handleViewItemTapped(_ viewItem: ConversationViewItem, gestureRecognizer: UITapGestureRecognizer)
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func handleViewItemDoubleTapped(_ viewItem: ConversationViewItem)
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func handleViewItemSwiped(_ viewItem: ConversationViewItem, state: SwipeState)
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func showFullText(_ viewItem: ConversationViewItem)
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func openURL(_ url: URL)
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func handleReplyButtonTapped(for viewItem: ConversationViewItem)
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@ -466,9 +466,12 @@ final class VisibleMessageCell : MessageCell, LinkPreviewViewDelegate {
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}
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@objc private func handlePan(_ gestureRecognizer: UIPanGestureRecognizer) {
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guard let viewItem = viewItem else { return }
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let viewsToMove = [ bubbleView, profilePictureView, replyButton, timerView, messageStatusImageView ]
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let translationX = gestureRecognizer.translation(in: self).x.clamp(-CGFloat.greatestFiniteMagnitude, 0)
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switch gestureRecognizer.state {
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case .began:
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delegate?.handleViewItemSwiped(viewItem, state: .began)
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case .changed:
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// The idea here is to asymptotically approach a maximum drag distance
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let damping: CGFloat = 20
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@ -486,8 +489,10 @@ final class VisibleMessageCell : MessageCell, LinkPreviewViewDelegate {
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previousX = translationX
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case .ended, .cancelled:
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if abs(translationX) > VisibleMessageCell.swipeToReplyThreshold {
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delegate?.handleViewItemSwiped(viewItem, state: .ended)
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reply()
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} else {
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delegate?.handleViewItemSwiped(viewItem, state: .cancelled)
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resetReply()
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}
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default: break
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