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Add the gallery timeline item rendered as a placeholder

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Introduces the GalleryRoomTimelineItem and its typed GalleryItem model (reusing the existing per-message content types), builds it in the RoomTimelineItemFactory and routes it through RoomTimelineItemView. For now it renders as a placeholder; the grid/list media views and the full-screen preview land in follow-up PRs.

Co-authored-by: svetoslav.mitov <svetoslav.mitov@sportinno.com>
This commit is contained in:
Mauro Romito
2026-07-24 11:10:17 +02:00
committed by Mauro
parent 3796fdc966
commit 4a9cd02fbc
12 changed files with 289 additions and 22 deletions
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ElementX/Sources/Services/Timeline/TimelineItems/RoomTimelineItemFactory.swift
+49 -18
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@@ -149,7 +149,7 @@ nonisolated struct RoomTimelineItemFactory: RoomTimelineItemFactoryProtocol {
case .location(let content):
.location(buildLocationTimelineItemContent(content))
case .gallery(let content):
.text(.init(body: content.body))
.gallery(buildGalleryTimelineItemContent(content, uniqueID: .init(senderID)))
case .other(_, let body):
.text(.init(body: body))
case .none:
@@ -410,23 +410,54 @@ nonisolated struct RoomTimelineItemFactory: RoomTimelineItemFactoryProtocol {
_ messageContent: MessageContent,
_ galleryMessageContent: GalleryMessageContent,
_ isOutgoing: Bool) -> RoomTimelineItemProtocol {
TextRoomTimelineItem(id: eventItemProxy.id,
timestamp: eventItemProxy.timestamp,
isOutgoing: isOutgoing,
isEditable: eventItemProxy.isEditable,
canBeRepliedTo: eventItemProxy.canBeRepliedTo,
shouldBoost: eventItemProxy.shouldBoost,
sender: eventItemProxy.sender,
content: .init(body: galleryMessageContent.body),
properties: .init(replyDetails: buildTimelineItemReplyDetails(messageLikeContent.inReplyTo),
isThreaded: messageLikeContent.threadRoot != nil,
threadSummary: buildTimelineItemThreadSummary(messageLikeContent.threadSummary),
isEdited: messageContent.isEdited,
reactions: buildAggregatedReactions(messageLikeContent.reactions),
deliveryStatus: eventItemProxy.deliveryStatus,
orderedReadReceipts: buildOrderedReadReceipts(eventItemProxy.readReceipts),
encryptionAuthenticity: buildEncryptionAuthenticity(eventItemProxy.shieldState),
encryptionForwarder: eventItemProxy.forwarder))
GalleryRoomTimelineItem(id: eventItemProxy.id,
timestamp: eventItemProxy.timestamp,
isOutgoing: isOutgoing,
isEditable: eventItemProxy.isEditable,
canBeRepliedTo: eventItemProxy.canBeRepliedTo,
shouldBoost: eventItemProxy.shouldBoost,
sender: eventItemProxy.sender,
content: buildGalleryTimelineItemContent(galleryMessageContent, uniqueID: eventItemProxy.id.uniqueID),
properties: .init(replyDetails: buildTimelineItemReplyDetails(messageLikeContent.inReplyTo),
isThreaded: messageLikeContent.threadRoot != nil,
threadSummary: buildTimelineItemThreadSummary(messageLikeContent.threadSummary),
isEdited: messageContent.isEdited,
reactions: buildAggregatedReactions(messageLikeContent.reactions),
deliveryStatus: eventItemProxy.deliveryStatus,
orderedReadReceipts: buildOrderedReadReceipts(eventItemProxy.readReceipts),
encryptionAuthenticity: buildEncryptionAuthenticity(eventItemProxy.shieldState),
encryptionForwarder: eventItemProxy.forwarder))
}
private func buildGalleryTimelineItemContent(_ messageContent: GalleryMessageContent, uniqueID: TimelineItemIdentifier.UniqueID) -> GalleryRoomTimelineItemContent {
let htmlCaption = messageContent.formatted?.format == .html ? messageContent.formatted?.body : nil
let plainCaption = messageContent.formatted?.format != .html ? messageContent.formatted?.body : nil
let formattedCaption = htmlCaption != nil ? attributedStringBuilder.fromHTML(htmlCaption) : (plainCaption.flatMap(attributedStringBuilder.fromPlain))
let items = messageContent.itemtypes.enumerated().map { index, itemType in
buildGalleryItem(itemType, id: GalleryItemID(timelineItemUniqueID: uniqueID, mediaIndex: index))
}
return GalleryRoomTimelineItemContent(body: messageContent.body,
caption: plainCaption ?? messageContent.body,
formattedCaption: formattedCaption,
formattedCaptionHTMLString: htmlCaption,
items: items)
}
private func buildGalleryItem(_ itemType: GalleryItemType, id: GalleryItemID) -> GalleryItem {
switch itemType {
case .image(let content):
.image(id: id, buildImageTimelineItemContent(content))
case .video(let content):
.video(id: id, buildVideoTimelineItemContent(content))
case .audio(let content):
.audio(id: id, buildAudioTimelineItemContent(content))
case .file(let content):
.file(id: id, buildFileTimelineItemContent(content))
case .other(_, let body):
.other(id: id, filename: body)
}
}
private func buildStickerTimelineItem(_ eventItemProxy: EventTimelineItemProxy,