138 lines
4.2 KiB
Swift
138 lines
4.2 KiB
Swift
//
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// SBUOpenChannelBaseMessageCell.swift
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// SendbirdUIKit
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//
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// Created by Tez Park on 2020/10/27.
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// Copyright © 2020 Sendbird, Inc. All rights reserved.
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//
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import UIKit
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import SendbirdChatSDK
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@IBDesignable
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open class SBUOpenChannelBaseMessageCell: SBUTableViewCell {
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// MARK: - Public
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public var message: BaseMessage?
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public var groupPosition: MessageGroupPosition = .none
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public lazy var dateView: UIView = SBUMessageDateView()
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public lazy var messageContentView: UIView = {
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let view = UIView()
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return view
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}()
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@SBUThemeWrapper(theme: SBUTheme.messageCellTheme)
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public var theme: SBUMessageCellTheme
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@SBUThemeWrapper(theme: SBUTheme.overlayTheme.messageCellTheme, setToDefault: true)
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public var overlayTheme: SBUMessageCellTheme
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/// A vertical stack view that contains `dateView` and `messageContentView` as defaults.
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///
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/// As a default, it has following configuration:
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/// - axis: `.vertical`
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/// - spacing: `16`
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public lazy var stackView: UIStackView = {
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let stackView = UIStackView()
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stackView.spacing = 16
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stackView.axis = .vertical
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return stackView
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}()
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public var stackViewTopConstraint: NSLayoutConstraint?
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var isOverlay = false
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// MARK: - Action
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var userProfileTapHandler: (() -> Void)?
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var tapHandlerToContent: (() -> Void)?
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var longPressHandlerToContent: (() -> Void)?
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// MARK: - View Lifecycle
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/// This function handles the initialization of views.
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open override func setupViews() {
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super.setupViews()
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self.dateView.isHidden = true
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self.stackView.addArrangedSubview(self.dateView)
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self.stackView.addArrangedSubview(self.messageContentView)
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self.contentView.addSubview(self.stackView)
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}
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/// This function handles the initialization of autolayouts.
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open override func setupLayouts() {
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super.setupLayouts()
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self.stackView
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.setConstraint(from: self.contentView, left: 0, bottom: 0)
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.setConstraint(from: self.contentView, right: 0)
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self.updateTopAnchorConstraint()
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}
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/// This function handles the initialization of styles.
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open override func setupStyles() {
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super.setupStyles()
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self.backgroundColor = .clear
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if let dateView = self.dateView as? SBUMessageDateView {
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dateView.setupStyles()
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}
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}
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open func updateTopAnchorConstraint() {
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let isGrouped = SBUGlobals.isMessageGroupingEnabled
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&& self.groupPosition != .none
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&& self.groupPosition != .top
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let constant: CGFloat = isGrouped ? 4 : 16
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self.stackViewTopConstraint?.isActive = false
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self.stackViewTopConstraint = self.stackView.topAnchor.constraint(
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equalTo: self.contentView.topAnchor,
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constant: constant
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)
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self.stackViewTopConstraint?.isActive = true
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}
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// MARK: - Common
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/// This function configure a cell using informations.
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/// - Parameters:
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/// - message: Message object
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/// - hideDateView: Hide or expose date information
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/// - isOverlay: Whether to use in overlay
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open func configure(message: BaseMessage,
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hideDateView: Bool,
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groupPosition: MessageGroupPosition = .none,
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isOverlay: Bool = false) {
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self.message = message
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self.groupPosition = groupPosition
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self.dateView.isHidden = hideDateView
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self.isOverlay = isOverlay
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if let dateView = self.dateView as? SBUMessageDateView {
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dateView.configure(timestamp: message.createdAt)
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}
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}
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public override func setSelected(_ selected: Bool, animated: Bool) {
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let theme = self.isOverlay ? self.overlayTheme : self.theme
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super.setSelected(selected, animated: animated)
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if selected {
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self.backgroundColor = theme.leftBackgroundColor
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} else {
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self.backgroundColor = theme.backgroundColor
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}
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}
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// MARK: -
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open override func prepareForReuse() {
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super.prepareForReuse()
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}
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}
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