88 lines
3.1 KiB
Swift
88 lines
3.1 KiB
Swift
// Copyright © 2022 Rangeproof Pty Ltd. All rights reserved.
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import UIKit
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import SessionMessagingKit
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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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public class MessageCell: UITableViewCell {
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weak var delegate: MessageCellDelegate?
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var viewModel: MessageViewModel?
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// MARK: - Lifecycle
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override init(style: UITableViewCell.CellStyle, reuseIdentifier: String?) {
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super.init(style: style, reuseIdentifier: reuseIdentifier)
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setUpViewHierarchy()
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setUpGestureRecognizers()
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}
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required init?(coder: NSCoder) {
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super.init(coder: coder)
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setUpViewHierarchy()
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setUpGestureRecognizers()
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}
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func setUpViewHierarchy() {
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backgroundColor = .clear
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let selectedBackgroundView = UIView()
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selectedBackgroundView.backgroundColor = .clear
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self.selectedBackgroundView = selectedBackgroundView
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}
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func setUpGestureRecognizers() {
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// To be overridden by subclasses
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}
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// MARK: - Updating
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func update(with cellViewModel: MessageViewModel, mediaCache: NSCache<NSString, AnyObject>, playbackInfo: ConversationViewModel.PlaybackInfo?, lastSearchText: String?) {
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preconditionFailure("Must be overridden by subclasses.")
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}
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/// This is a cut-down version of the 'update' function which doesn't re-create the UI (it should be used for dynamically-updating content
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/// like playing inline audio/video)
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func dynamicUpdate(with cellViewModel: MessageViewModel, playbackInfo: ConversationViewModel.PlaybackInfo?) {
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preconditionFailure("Must be overridden by subclasses.")
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}
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// MARK: - Convenience
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static func cellType(for viewModel: MessageViewModel) -> MessageCell.Type {
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guard viewModel.cellType != .typingIndicator else { return TypingIndicatorCell.self }
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switch viewModel.variant {
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case .standardOutgoing, .standardIncoming, .standardIncomingDeleted:
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return VisibleMessageCell.self
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case .infoClosedGroupCreated, .infoClosedGroupUpdated, .infoClosedGroupCurrentUserLeft,
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.infoDisappearingMessagesUpdate, .infoScreenshotNotification, .infoMediaSavedNotification,
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.infoMessageRequestAccepted:
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return InfoMessageCell.self
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case .infoCall:
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return CallMessageCell.self
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}
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}
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}
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// MARK: - MessageCellDelegate
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protocol MessageCellDelegate: AnyObject {
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func handleItemLongPressed(_ cellViewModel: MessageViewModel)
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func handleItemTapped(_ cellViewModel: MessageViewModel, gestureRecognizer: UITapGestureRecognizer)
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func handleItemDoubleTapped(_ cellViewModel: MessageViewModel)
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func handleItemSwiped(_ cellViewModel: MessageViewModel, state: SwipeState)
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func openUrl(_ urlString: String)
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func handleReplyButtonTapped(for cellViewModel: MessageViewModel)
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func showUserDetails(for profile: Profile)
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func startThread(with sessionId: String, openGroupServer: String?, openGroupPublicKey: String?)
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}
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