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* Use table view in message list * Set `needsLayout` when base views change content * Fix gallery view layout issue * Implement keyboard avoidance * Updates and selection * Fix scrolling indicator being on the left * Fix missing scroll overlay * Fix missing scroll to bottom button * Fix message cell background color * Fix threads * Dismiss message actions pop-up after reaction * Put back advanced typing indicators handling * Fix scroll to bottom button visibility issues * Fix animations for message list updates * Remove collection view leftovers * Step out from table view mentioning in type names * Fix handling the spacing between rows * Update UI snapshots * Update CHANGELOG Co-authored-by: Vojta Stavik <stavik@outlook.com>
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81
Sources/StreamChatUI/ChatMessageList/ChatMessage/ChatMessageCell.swift
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,81 @@ | ||
| // | ||
| // Copyright © 2021 Stream.io Inc. All rights reserved. | ||
| // | ||
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| import StreamChat | ||
| import UIKit | ||
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| /// The cell that displays the message content of a dynamic type and layout. | ||
| /// Once the cell is set up it is expected to be dequeued for messages with | ||
| /// the same content and layout the cell has already been configured with. | ||
| public typealias ChatMessageCell = _ChatMessageCell<NoExtraData> | ||
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| /// The cell that displays the message content of a dynamic type and layout. | ||
| /// Once the cell is set up it is expected to be dequeued for messages with | ||
| /// the same content and layout the cell has already been configured with. | ||
| public final class _ChatMessageCell<ExtraData: ExtraDataTypes>: _TableViewCell { | ||
| public static var reuseId: String { "\(self)" } | ||
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| /// The message content view the cell is showing. | ||
| public private(set) var messageContentView: _ChatMessageContentView<ExtraData>? | ||
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| /// The minimum spacing below the cell. | ||
| public var minimumSpacingBelow: CGFloat = 2 { | ||
| didSet { updateBottomSpacing() } | ||
| } | ||
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| override public func setUp() { | ||
| super.setUp() | ||
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| selectionStyle = .none | ||
| } | ||
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| override public func setUpAppearance() { | ||
| super.setUpAppearance() | ||
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| backgroundColor = .clear | ||
| backgroundView = nil | ||
| } | ||
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| override public func prepareForReuse() { | ||
| super.prepareForReuse() | ||
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| messageContentView?.prepareForReuse() | ||
| } | ||
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| /// Creates a message content view | ||
| /// - Parameters: | ||
| /// - contentViewClass: The type of message content view. | ||
| /// - attachmentViewInjectorType: The type of attachment injector. | ||
| /// - options: The layout options describing the message content view layout. | ||
| public func setMessageContentIfNeeded( | ||
| contentViewClass: _ChatMessageContentView<ExtraData>.Type, | ||
| attachmentViewInjectorType: _AttachmentViewInjector<ExtraData>.Type?, | ||
| options: ChatMessageLayoutOptions | ||
| ) { | ||
| guard messageContentView == nil else { | ||
| log.assert(type(of: messageContentView!) == contentViewClass, """ | ||
| Attempt to setup different content class: ("\(contentViewClass)") | ||
| """) | ||
| return | ||
| } | ||
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| messageContentView = contentViewClass.init().withoutAutoresizingMaskConstraints | ||
| // We add the content view to the view hierarchy before invoking `setUpLayoutIfNeeded` | ||
| // (where the subviews are instantiated and configured) to use `components` and `appearance` | ||
| // taken from the responder chain. | ||
| contentView.addSubview(messageContentView!) | ||
| messageContentView!.pin(anchors: [.leading, .top, .trailing, .bottom], to: contentView) | ||
| messageContentView!.setUpLayoutIfNeeded(options: options, attachmentViewInjectorType: attachmentViewInjectorType) | ||
| updateBottomSpacing() | ||
| } | ||
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| private func updateBottomSpacing() { | ||
| guard let contentView = messageContentView else { return } | ||
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| contentView.mainContainer.layoutMargins.bottom = max( | ||
| contentView.mainContainer.layoutMargins.bottom, | ||
| minimumSpacingBelow | ||
| ) | ||
| } | ||
| } |
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