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MessageContainerView.swift
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211 lines (191 loc) Β· 7.95 KB
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//
// Copyright Β© 2026 Stream.io Inc. All rights reserved.
//
import StreamChat
import SwiftUI
/// The inner content of a message item: avatar, bubble, reactions, replies, and delivery status.
struct MessageContainerView<Factory: ViewFactory>: View {
@ObservedObject var messageViewModel: MessageViewModel
@Injected(\.utils) private var utils
@Injected(\.tokens) private var tokens
let factory: Factory
let channel: ChatChannel
let message: ChatMessage
let contentWidth: CGFloat
let showsAllInfo: Bool
let shownAsPreview: Bool
let isLast: Bool
@Binding var scrolledId: String?
let onGesture: (_ showsMessageActions: Bool) -> Void
var body: some View {
HStack(alignment: .bottom, spacing: tokens.spacingXs) {
if !messageViewModel.isRightAligned
&& utils.messageListConfig.messageDisplayOptions.showAvatars(for: channel, incoming: true) {
avatarView
}
VStack(
alignment: messageViewModel.isRightAligned ? .trailing : .leading,
spacing: tokens.spacingXxs
) {
if messageViewModel.annotationsShown {
factory.makeMessageTopView(
options: MessageTopViewOptions(
message: message,
channel: channel,
messageViewModel: messageViewModel,
usesInvertedStyle: shownAsPreview
)
)
}
messageBubbleContent
.padding(
.top,
messageViewModel.topReactionsShown && messageViewModel.annotationsShown ? messageListConfig.messageDisplayOptions
.reactionsTopPadding(message) : 0
)
.accessibilityElement(children: .contain)
.accessibilityIdentifier("MessageView")
if messageViewModel.threadRepliesShown {
factory.makeMessageRepliesView(
options: MessageRepliesViewOptions(
channel: channel,
message: message,
replyCount: message.replyCount,
usesInvertedStyle: shownAsPreview
)
)
.accessibilityElement(children: .contain)
.accessibility(identifier: "MessageRepliesView")
}
if messageViewModel.bottomReactionsShown {
factory.makeBottomReactionsView(
options: ReactionsBottomViewOptions(
message: message,
showsAllInfo: showsAllInfo,
onTap: {
onGesture(false)
},
onLongPress: {
onGesture(false)
}
)
)
}
if showsAllInfo {
deliveryStatusView
}
}
if messageViewModel.isRightAligned
&& utils.messageListConfig.messageDisplayOptions.showAvatars(for: channel, incoming: false) {
avatarView
}
}
.frame(maxWidth: .infinity, alignment: messageViewModel.isRightAligned ? .trailing : .leading)
.padding(.top, messageViewModel.topReactionsShown && !messageViewModel.annotationsShown ? messageListConfig.messageDisplayOptions.reactionsTopPadding(message) : 0)
.padding(.horizontal, messageListConfig.messagePaddings.horizontal)
.padding(.bottom, showsAllInfo || messageViewModel.annotationsShown ? paddingValue : groupMessageInterItemSpacing)
.padding(.top, isLast ? paddingValue : (messageViewModel.annotationsShown ? groupMessageInterItemSpacing : 0))
}
// MARK: - Sub-views
@ViewBuilder
private var messageBubbleContent: some View {
Group {
if messageViewModel.usesScrollView {
ScrollView {
MessageView(
factory: factory,
message: message,
contentWidth: contentWidth,
isFirst: showsAllInfo,
scrolledId: $scrolledId,
translationLanguage: messageViewModel.translationLanguage
)
}
} else {
MessageView(
factory: factory,
message: message,
contentWidth: contentWidth,
isFirst: showsAllInfo,
scrolledId: $scrolledId,
translationLanguage: messageViewModel.translationLanguage
)
}
}
.overlay(
messageViewModel.topReactionsShown ?
factory.makeMessageReactionView(
options: MessageReactionViewOptions(
message: message,
onTapGesture: {
onGesture(false)
},
onLongPressGesture: {
onGesture(false)
}
)
)
: nil,
alignment: messageViewModel.isRightAligned ? .trailing : .leading
)
.overlay(
messageViewModel.failureIndicatorShown ? SendFailureIndicator() : nil
)
.frame(maxWidth: contentWidth, alignment: messageViewModel.isRightAligned ? .trailing : .leading)
.highPriorityGesture(
TapGesture().onEnded { /* Swallow taps on the bubble so attachments don't open and the overlay doesn't dismiss. */ },
including: shownAsPreview ? .all : .none
)
}
@ViewBuilder
private var avatarView: some View {
factory.makeUserAvatarView(
options: UserAvatarViewOptions(
user: message.author,
size: AvatarSize.medium,
showsIndicator: false
)
)
.opacity(isLast || showsAllInfo ? 1 : 0)
}
@ViewBuilder
private var deliveryStatusView: some View {
if message.isSentByCurrentUser && channel.config.readEventsEnabled {
HStack(spacing: tokens.spacingXxs) {
factory.makeMessageReadIndicatorView(
options: MessageReadIndicatorViewOptions(
channel: channel,
message: message,
usesInvertedStyle: shownAsPreview
)
)
if messageViewModel.messageDateShown {
factory.makeMessageDateView(
options: MessageDateViewOptions(message: message, usesInvertedStyle: shownAsPreview)
)
}
}
.padding(.bottom, tokens.spacingXxs)
} else if messageViewModel.authorAndDateShown {
factory.makeMessageAuthorAndDateView(
options: MessageAuthorAndDateViewOptions(message: message, usesInvertedStyle: shownAsPreview)
)
.padding(.bottom, tokens.spacingXxs)
} else if messageViewModel.messageDateShown {
factory.makeMessageDateView(
options: MessageDateViewOptions(message: message, usesInvertedStyle: shownAsPreview)
)
.padding(.bottom, tokens.spacingXxs)
}
}
// MARK: - Computed Properties
private var paddingValue: CGFloat {
messageListConfig.messagePaddings.singleBottom
}
private var groupMessageInterItemSpacing: CGFloat {
messageListConfig.messagePaddings.groupBottom
}
private var messageListConfig: MessageListConfig {
utils.messageListConfig
}
}