* Introduce a `TimelineItemThreadSummary` object to hold details about threads starting from that particular item This patch introduces a thread summary object that will be available on main timeline messages that are the root for a given thread. It currently provides the latest message content and sender for that thread but it will grow to provide info on the number of replies, unreads etc. It also add a new UI component called `TimelineThreadSummaryView` that makes use of this data and is in turn used by the bubbled styler to render it in the timeline. The rest of the PR is about refactoring on the `RoomTimelineItemFactory` so that replies and thread summaries use similar paths and builders. * Add a feature flag for threads * Address PR comments * Converge on single implementation for message previews
278 lines
16 KiB
Swift
278 lines
16 KiB
Swift
//
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// Copyright 2023, 2024 New Vector Ltd.
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//
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// SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial
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// Please see LICENSE files in the repository root for full details.
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//
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import Compound
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import SwiftUI
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struct TimelineThreadSummaryView: View {
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let threadSummary: TimelineItemThreadSummary
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var onTap: (() -> Void)?
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var body: some View {
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Button {
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onTap?()
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} label: {
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content
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}
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}
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@ViewBuilder
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private var content: some View {
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switch threadSummary {
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case .loaded(let senderID, let sender, let latestEventContent):
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switch latestEventContent {
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case .message(let content):
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switch content {
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case .audio(let content):
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ThreadView(senderID: senderID,
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sender: sender,
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plainBody: content.caption ?? content.filename,
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formattedBody: content.formattedCaption)
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case .emote(let content):
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ThreadView(senderID: senderID,
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sender: sender,
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plainBody: content.body,
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formattedBody: content.formattedBody)
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case .file(let content):
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ThreadView(senderID: senderID,
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sender: sender,
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plainBody: content.caption ?? content.filename,
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formattedBody: content.formattedCaption)
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case .image(let content):
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ThreadView(senderID: senderID,
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sender: sender,
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plainBody: content.caption ?? content.filename,
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formattedBody: content.formattedCaption)
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case .notice(let content):
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ThreadView(senderID: senderID,
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sender: sender,
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plainBody: content.body,
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formattedBody: content.formattedBody)
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case .text(let content):
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ThreadView(senderID: senderID,
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sender: sender,
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plainBody: content.body,
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formattedBody: content.formattedBody)
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case .video(let content):
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ThreadView(senderID: senderID,
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sender: sender,
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plainBody: content.caption ?? content.filename,
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formattedBody: content.formattedCaption)
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case .voice:
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ThreadView(senderID: senderID,
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sender: sender,
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plainBody: L10n.commonVoiceMessage,
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formattedBody: nil)
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case .location:
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ThreadView(senderID: senderID,
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sender: sender,
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plainBody: L10n.commonSharedLocation,
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formattedBody: nil)
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}
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case .poll(let question):
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ThreadView(senderID: senderID,
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sender: sender,
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plainBody: question,
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formattedBody: nil)
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case .redacted:
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ThreadView(senderID: senderID,
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sender: sender,
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plainBody: L10n.commonMessageRemoved,
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formattedBody: nil)
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}
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default:
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LoadingThreadView()
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}
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}
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private struct LoadingThreadView: View {
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var body: some View {
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ThreadView(senderID: "@alice:matrix.org", sender: nil, plainBody: "Hello world", formattedBody: nil)
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.redacted(reason: .placeholder)
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}
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}
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private struct ThreadView: View {
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@EnvironmentObject private var context: TimelineViewModel.Context
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let senderID: String
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let sender: TimelineItemSender?
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let plainBody: String
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let formattedBody: AttributedString?
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var body: some View {
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HStack(spacing: 8) {
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CompoundIcon(\.threads, size: .xSmall, relativeTo: .compound.bodyXS)
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.foregroundColor(.compound.iconSecondary)
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LoadableAvatarImage(url: sender?.avatarURL,
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name: sender?.displayName,
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contentID: sender?.id,
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avatarSize: .user(on: .threadSummary),
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mediaProvider: context.mediaProvider)
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Text(sender?.disambiguatedDisplayName ?? senderID)
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.font(.compound.bodyXSSemibold)
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.foregroundColor(.compound.textPrimary)
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.accessibilityLabel(L10n.commonInReplyTo(sender?.disambiguatedDisplayName ?? senderID))
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Text(context.viewState.buildMessagePreview(formattedBody: formattedBody, plainBody: plainBody))
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.font(.compound.bodyXS)
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.foregroundColor(.compound.textSecondary)
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.tint(.compound.textLinkExternal)
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.lineLimit(2)
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}
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.padding(.vertical, 4.0)
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.padding(.horizontal, 8.0)
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.background(Color.compound.bgSubtlePrimary)
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.cornerRadius(8)
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}
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}
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}
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struct TimelineThreadSummaryView_Previews: PreviewProvider, TestablePreview {
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static let viewModel = TimelineViewModel.mock
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static let attributedStringWithMention = {
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var attributedString = AttributedString("To be replaced")
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attributedString.userID = "@alice:matrix.org"
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return attributedString
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}()
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static let attributedStringWithAtRoomMention = {
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var attributedString = AttributedString("to be replaced")
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attributedString.allUsersMention = true
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return attributedString
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}()
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static let attributedStringWithRoomAliasMention = {
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var attributedString = AttributedString("to be replaced")
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attributedString.roomAlias = "#room:matrix.org"
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return attributedString
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}()
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static let attributedStringWithRoomIDMention = {
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var attributedString = AttributedString("to be replaced")
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attributedString.roomID = "!room:matrix.org"
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return attributedString
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}()
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static let attributedStringWithEventOnRoomIDMention = {
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var attributedString = AttributedString("to be replaced")
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attributedString.eventOnRoomID = .init(roomID: "!room:matrix.org", eventID: "$event")
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return attributedString
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}()
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static let attributedStringWithEventOnRoomAliasMention = {
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var attributedString = AttributedString("to be replaced")
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attributedString.eventOnRoomAlias = .init(alias: "#room:matrix.org", eventID: "$event")
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return attributedString
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}()
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static var previewItems: [TimelineThreadSummaryView] {
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[
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TimelineThreadSummaryView(threadSummary: .notLoaded),
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TimelineThreadSummaryView(threadSummary: .loading),
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TimelineThreadSummaryView(threadSummary: .error(message: "Error")),
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TimelineThreadSummaryView(threadSummary: .loaded(senderID: "@alice:matrix.org",
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sender: .init(id: "@alice:matrix.org", displayName: "Alice"),
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latestEventContent: .message(.text(.init(body: "This is a threaded message"))))),
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TimelineThreadSummaryView(threadSummary: .loaded(senderID: "@alice:matrix.org",
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sender: .init(id: "@alice:matrix.org", displayName: "Alice"),
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latestEventContent: .message(.notice(.init(body: "Hello world"))))),
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TimelineThreadSummaryView(threadSummary: .loaded(senderID: "@alice:matrix.org",
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sender: .init(id: "@alice:matrix.org", displayName: "Alice"),
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latestEventContent: .message(.audio(.init(filename: "audio.m4a",
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caption: "Some audio",
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duration: 0,
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waveform: nil,
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source: nil,
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fileSize: nil,
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contentType: nil))))),
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TimelineThreadSummaryView(threadSummary: .loaded(senderID: "@alice:matrix.org",
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sender: .init(id: "@alice:matrix.org", displayName: "Alice"),
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latestEventContent: .message(.file(.init(filename: "file.txt",
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caption: "Some file",
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source: nil,
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fileSize: nil,
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thumbnailSource: nil,
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contentType: nil))))),
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TimelineThreadSummaryView(threadSummary: .loaded(senderID: "@alice:matrix.org",
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sender: .init(id: "@alice:matrix.org", displayName: "Alice"),
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latestEventContent: .message(.image(.init(filename: "image.jpg",
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caption: "Some image",
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imageInfo: .mockImage,
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thumbnailInfo: .mockThumbnail))))),
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TimelineThreadSummaryView(threadSummary: .loaded(senderID: "@alice:matrix.org",
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sender: .init(id: "@alice:matrix.org", displayName: "Alice"),
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latestEventContent: .message(.video(.init(filename: "video.mp4",
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caption: "Some video",
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videoInfo: .mockVideo,
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thumbnailInfo: .mockVideoThumbnail))))),
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TimelineThreadSummaryView(threadSummary: .loaded(senderID: "@alice:matrix.org",
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sender: .init(id: "@alice:matrix.org", displayName: "Alice"),
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latestEventContent: .message(.location(.init(body: ""))))),
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TimelineThreadSummaryView(threadSummary: .loaded(senderID: "@alice:matrix.org",
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sender: .init(id: "@alice:matrix.org", displayName: "Alice"),
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latestEventContent: .message(.voice(.init(filename: "voice-message.ogg",
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caption: "Some voice message",
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duration: 0,
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waveform: nil,
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source: nil,
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fileSize: nil,
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contentType: nil))))),
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TimelineThreadSummaryView(threadSummary: .loaded(senderID: "@alice:matrix.org",
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sender: .init(id: "@alice:matrix.org", displayName: "Alice"),
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latestEventContent: .poll(question: "Do you like polls?"))),
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TimelineThreadSummaryView(threadSummary: .loaded(senderID: "@alice:matrix.org",
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sender: .init(id: "@alice:matrix.org", displayName: "Alice"),
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latestEventContent: .redacted)),
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TimelineThreadSummaryView(threadSummary: .loaded(senderID: "@alice:matrix.org",
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sender: .init(id: "@alice:matrix.org", displayName: "Alice"),
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latestEventContent: .message(.notice(.init(body: "", formattedBody: attributedStringWithMention))))),
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TimelineThreadSummaryView(threadSummary: .loaded(senderID: "@alice:matrix.org",
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sender: .init(id: "@alice:matrix.org", displayName: "Alice"),
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latestEventContent: .message(.notice(.init(body: "", formattedBody: attributedStringWithAtRoomMention))))),
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TimelineThreadSummaryView(threadSummary: .loaded(senderID: "@alice:matrix.org",
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sender: .init(id: "@alice:matrix.org", displayName: "Alice"),
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latestEventContent: .message(.notice(.init(body: "", formattedBody: attributedStringWithRoomAliasMention))))),
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TimelineThreadSummaryView(threadSummary: .loaded(senderID: "@alice:matrix.org",
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sender: .init(id: "@alice:matrix.org", displayName: "Alice"),
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latestEventContent: .message(.notice(.init(body: "", formattedBody: attributedStringWithRoomIDMention))))),
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TimelineThreadSummaryView(threadSummary: .loaded(senderID: "@alice:matrix.org",
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sender: .init(id: "@alice:matrix.org", displayName: "Alice"),
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latestEventContent: .message(.notice(.init(body: "", formattedBody: attributedStringWithEventOnRoomIDMention))))),
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TimelineThreadSummaryView(threadSummary: .loaded(senderID: "@alice:matrix.org",
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sender: .init(id: "@alice:matrix.org", displayName: "Alice"),
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latestEventContent: .message(.notice(.init(body: "", formattedBody: attributedStringWithEventOnRoomAliasMention)))))
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]
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}
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static var previews: some View {
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VStack(alignment: .leading, spacing: 20) {
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ForEach(0..<previewItems.count, id: \.self) { index in
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previewItems[index]
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}
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}
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.padding()
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.environmentObject(viewModel.context)
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.previewLayout(.sizeThatFits)
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}
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}
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