| 1 | import LChatCore |
| 2 | import SwiftUI |
| 3 | import UIKit |
| 4 | import UniformTypeIdentifiers |
| 5 | |
| 6 | // 🤖 The share-sheet receiver, direct-send edition: shared images/videos get a |
| 7 | // native chat picker RIGHT IN the sheet — pick a chat and the files encrypt, |
| 8 | // upload and send from here (LChatCore: the same ThreadStore/ChatFeedModel the |
| 9 | // app uses; identities come from the shared keychain group, like the NSE's |
| 10 | // thread keys). Files are also parked in the app-group inbox first, so if the |
| 11 | // user cancels or a send fails, opening Eleven offers the picker as a fallback |
| 12 | // and nothing shared is ever lost. |
| 13 | final class ShareViewController: UIViewController { |
| 14 | static let appGroup = "group.com.elevenmessenger.messenger" |
| 15 | |
| 16 | override func viewDidLoad() { |
| 17 | super.viewDidLoad() |
| 18 | view.backgroundColor = .systemBackground |
| 19 | Task { await start() } |
| 20 | } |
| 21 | |
| 22 | private func start() async { |
| 23 | let files = await ingest() |
| 24 | let picker = SharePickerView(files: files) { [weak self] outcome in |
| 25 | switch outcome { |
| 26 | case .sent(let urls): |
| 27 | ShareInboxLite.clear(urls) |
| 28 | self?.extensionContext?.completeRequest(returningItems: nil) |
| 29 | case .cancelled: |
| 30 | // Keep the inbox copies — the app offers its picker next open. |
| 31 | self?.extensionContext?.completeRequest(returningItems: nil) |
| 32 | } |
| 33 | } |
| 34 | let host = UIHostingController(rootView: picker) |
| 35 | addChild(host) |
| 36 | host.view.frame = view.bounds |
| 37 | host.view.autoresizingMask = [.flexibleWidth, .flexibleHeight] |
| 38 | view.addSubview(host.view) |
| 39 | host.didMove(toParent: self) |
| 40 | } |
| 41 | |
| 42 | // Park every attachment in the app-group inbox (the no-data-loss floor). |
| 43 | private func ingest() async -> [URL] { |
| 44 | guard let inbox = FileManager.default |
| 45 | .containerURL(forSecurityApplicationGroupIdentifier: Self.appGroup)? |
| 46 | .appendingPathComponent("share-inbox", isDirectory: true) else { return [] } |
| 47 | try? FileManager.default.createDirectory(at: inbox, withIntermediateDirectories: true) |
| 48 | var saved: [URL] = [] |
| 49 | for item in extensionContext?.inputItems.compactMap({ $0 as? NSExtensionItem }) ?? [] { |
| 50 | for provider in item.attachments ?? [] { |
| 51 | for type in [UTType.image, UTType.movie] where |
| 52 | provider.hasItemConformingToTypeIdentifier(type.identifier) { |
| 53 | if let url = await save(provider, as: type, into: inbox) { saved.append(url) } |
| 54 | break |
| 55 | } |
| 56 | } |
| 57 | } |
| 58 | return saved |
| 59 | } |
| 60 | |
| 61 | // Prefer a file representation (keeps the original filename); fall back to |
| 62 | // raw data only when NO file was offered — a file that WAS offered but |
| 63 | // couldn't be copied is a hard failure, not a data retry (original |
| 64 | // behaviour). The two loads are separate awaited steps rather than nested, |
| 65 | // so the fallback never sits inside — and captures `provider` in — the |
| 66 | // first load's @Sendable completion closure (NSItemProvider isn't Sendable). |
| 67 | private func save(_ provider: NSItemProvider, as type: UTType, into inbox: URL) async -> URL? { |
| 68 | switch await loadFile(provider, as: type, into: inbox) { |
| 69 | case .saved(let dest): return dest |
| 70 | case .failed: return nil |
| 71 | case .absent: return await loadData(provider, as: type, into: inbox) |
| 72 | } |
| 73 | } |
| 74 | |
| 75 | private enum FileLoad { case saved(URL); case failed; case absent } |
| 76 | |
| 77 | private func loadFile(_ provider: NSItemProvider, as type: UTType, into inbox: URL) async -> FileLoad { |
| 78 | await withCheckedContinuation { cont in |
| 79 | provider.loadFileRepresentation(forTypeIdentifier: type.identifier) { url, _ in |
| 80 | guard let url else { return cont.resume(returning: .absent) } |
| 81 | let dest = inbox.appendingPathComponent( |
| 82 | UUID().uuidString + "-" + url.lastPathComponent) |
| 83 | cont.resume(returning: |
| 84 | (try? FileManager.default.copyItem(at: url, to: dest)) != nil ? .saved(dest) : .failed) |
| 85 | } |
| 86 | } |
| 87 | } |
| 88 | |
| 89 | private func loadData(_ provider: NSItemProvider, as type: UTType, into inbox: URL) async -> URL? { |
| 90 | let ext = type == .movie ? "mp4" : "jpg" |
| 91 | return await withCheckedContinuation { cont in |
| 92 | provider.loadDataRepresentation(forTypeIdentifier: type.identifier) { data, _ in |
| 93 | guard let data else { return cont.resume(returning: nil) } |
| 94 | let dest = inbox.appendingPathComponent(UUID().uuidString + "." + ext) |
| 95 | cont.resume(returning: (try? data.write(to: dest)) != nil ? dest : nil) |
| 96 | } |
| 97 | } |
| 98 | } |
| 99 | } |
| 100 | |
| 101 | // The extension's own copy of the inbox cleaner (the app has ShareInbox). |
| 102 | enum ShareInboxLite { |
| 103 | static func clear(_ urls: [URL]) { |
| 104 | for url in urls { try? FileManager.default.removeItem(at: url) } |
| 105 | } |
| 106 | } |
| 107 | |
| 108 | enum ShareOutcome { |
| 109 | case sent([URL]) |
| 110 | case cancelled |
| 111 | } |
| 112 | |
| 113 | struct SharePickerView: View { |
| 114 | let files: [URL] |
| 115 | let done: (ShareOutcome) -> Void |
| 116 | |
| 117 | private let instances = InstancesStore.load() |
| 118 | private let suggested = LastOpenedChat.load() |
| 119 | |
| 120 | @State private var sending = false |
| 121 | @State private var status: String? |
| 122 | @State private var sentTo: String? |
| 123 | @State private var path: [SavedInstance] = [] |
| 124 | @State private var compose: ComposeTarget? |
| 125 | |
| 126 | private var itemsLabel: String { |
| 127 | files.count == 1 ? "photo" : "\(files.count) items" |
| 128 | } |
| 129 | |
| 130 | var body: some View { |
| 131 | NavigationStack(path: $path) { |
| 132 | List { |
| 133 | // The chat you were just in — one tap, no digging. |
| 134 | if let suggested, |
| 135 | let instance = instances.first(where: { $0.origin == suggested.origin }) { |
| 136 | Section("Suggested") { |
| 137 | Button { |
| 138 | sendToSuggested(suggested, instance: instance) |
| 139 | } label: { |
| 140 | row(avatar: ShareAvatar(initial: suggested.title), |
| 141 | title: suggested.title, |
| 142 | caption: instance.displayName, busy: sending) |
| 143 | } |
| 144 | .foregroundStyle(.primary) |
| 145 | .disabled(sending) |
| 146 | } |
| 147 | } |
| 148 | Section("Servers") { |
| 149 | ForEach(instances) { instance in |
| 150 | NavigationLink(value: instance) { |
| 151 | row(avatar: ShareAvatar(initial: instance.displayName, |
| 152 | serverOrigin: instance.origin), |
| 153 | title: instance.displayName, |
| 154 | caption: instance.hostLabel, busy: false) |
| 155 | } |
| 156 | } |
| 157 | } |
| 158 | } |
| 159 | .navigationTitle("Send \(itemsLabel) to…") |
| 160 | .navigationBarTitleDisplayMode(.inline) |
| 161 | .navigationDestination(for: SavedInstance.self) { instance in |
| 162 | ServerChatsStep(instance: instance, files: files) { target in |
| 163 | compose = target |
| 164 | } |
| 165 | } |
| 166 | .navigationDestination(item: $compose) { target in |
| 167 | ComposeStep(target: target, files: files, done: done) |
| 168 | } |
| 169 | .toolbar { |
| 170 | ToolbarItem(placement: .cancellationAction) { |
| 171 | Button("Cancel") { done(.cancelled) }.disabled(sending) |
| 172 | } |
| 173 | } |
| 174 | .overlay(alignment: .bottom) { |
| 175 | if let status { |
| 176 | Text(status).font(.footnote).foregroundStyle(.secondary).padding(8) |
| 177 | } |
| 178 | } |
| 179 | .overlay { if let sentTo { SentConfirmation(chat: sentTo) } } |
| 180 | // One server and no suggestion → skip the server step entirely. |
| 181 | .onAppear { |
| 182 | if instances.count == 1, suggested == nil, let only = instances.first { |
| 183 | path = [only] |
| 184 | } |
| 185 | } |
| 186 | } |
| 187 | } |
| 188 | |
| 189 | private func sendToSuggested(_ s: LastOpenedChat.Entry, instance: SavedInstance) { |
| 190 | sending = true |
| 191 | status = "Opening \(s.title)…" |
| 192 | Task { |
| 193 | // The suggestion carries no key (keys stay where keys live) — a |
| 194 | // quick roster refresh recovers the thread, then compose. |
| 195 | let store = ThreadStore(instance: instance) |
| 196 | await store.refresh() |
| 197 | sending = false |
| 198 | status = nil |
| 199 | guard let thread = store.threads.first(where: { $0.id == s.thread }) else { |
| 200 | status = "That chat isn't reachable — pick one below." |
| 201 | return |
| 202 | } |
| 203 | compose = ComposeTarget(instance: instance, thread: thread, |
| 204 | myUserId: store.myUserId) |
| 205 | } |
| 206 | } |
| 207 | |
| 208 | @ViewBuilder |
| 209 | func row(avatar: ShareAvatar, title: String, caption: String, busy: Bool) -> some View { |
| 210 | HStack(spacing: 10) { |
| 211 | avatar |
| 212 | VStack(alignment: .leading, spacing: 0) { |
| 213 | Text(title).font(.body.weight(.medium)).lineLimit(1) |
| 214 | Text(caption).font(.caption).foregroundStyle(.secondary).lineLimit(1) |
| 215 | } |
| 216 | Spacer() |
| 217 | if busy { ProgressView() } |
| 218 | } |
| 219 | .contentShape(Rectangle()) |
| 220 | } |
| 221 | } |
| 222 | |
| 223 | // Step two: the chosen server's chats, searchable. |
| 224 | struct ServerChatsStep: View { |
| 225 | let instance: SavedInstance |
| 226 | let files: [URL] |
| 227 | let onPick: (ComposeTarget) -> Void |
| 228 | |
| 229 | @State private var store: ThreadStore? |
| 230 | @State private var loading = true |
| 231 | @State private var search = "" |
| 232 | @State private var sendingID: String? |
| 233 | @State private var status: String? |
| 234 | @State private var sentTo: String? |
| 235 | |
| 236 | private var threads: [ChatThread] { |
| 237 | let all = (store?.threads ?? []).filter { !$0.hidden && !$0.isApp } |
| 238 | let q = search.trimmingCharacters(in: .whitespaces) |
| 239 | guard !q.isEmpty else { return all } |
| 240 | return all.filter { $0.title.localizedCaseInsensitiveContains(q) } |
| 241 | } |
| 242 | |
| 243 | var body: some View { |
| 244 | Group { |
| 245 | if loading { |
| 246 | ProgressView("Loading chats…") |
| 247 | } else { |
| 248 | List(threads) { thread in |
| 249 | Button { send(thread) } label: { |
| 250 | HStack(spacing: 10) { |
| 251 | ShareAvatar(initial: thread.title, source: thread.avatar) |
| 252 | Text(thread.title).font(.body.weight(.medium)).lineLimit(1) |
| 253 | Spacer() |
| 254 | if sendingID == thread.id { ProgressView() } |
| 255 | } |
| 256 | .contentShape(Rectangle()) |
| 257 | } |
| 258 | .foregroundStyle(.primary) |
| 259 | .disabled(sendingID != nil) |
| 260 | } |
| 261 | .searchable(text: $search, prompt: "Search chats") |
| 262 | } |
| 263 | } |
| 264 | .navigationTitle(instance.displayName) |
| 265 | .navigationBarTitleDisplayMode(.inline) |
| 266 | .overlay(alignment: .bottom) { |
| 267 | if let status { |
| 268 | Text(status).font(.footnote).foregroundStyle(.secondary).padding(8) |
| 269 | } |
| 270 | } |
| 271 | .overlay { if let sentTo { SentConfirmation(chat: sentTo) } } |
| 272 | .task { |
| 273 | let s = ThreadStore(instance: instance) |
| 274 | await s.refresh() |
| 275 | store = s |
| 276 | loading = false |
| 277 | } |
| 278 | } |
| 279 | |
| 280 | @MainActor private func send(_ thread: ChatThread) { |
| 281 | guard let store else { return } |
| 282 | onPick(ComposeTarget(instance: instance, thread: thread, |
| 283 | myUserId: store.myUserId)) |
| 284 | } |
| 285 | } |
| 286 | |
| 287 | // An avatar circle for the picker rows: encrypted chat photos come through |
| 288 | // BlobImageLoader (fetch + decrypt, LRU) exactly like the app's; server |
| 289 | // avatars are the plaintext branding image (/api/server-avatar). Initials |
| 290 | // while loading / when there's no photo. |
| 291 | struct ShareAvatar: View { |
| 292 | let initial: String |
| 293 | var source: AvatarSource? = nil |
| 294 | var serverOrigin: String? = nil |
| 295 | |
| 296 | @State private var image: PlatformImage? |
| 297 | |
| 298 | var body: some View { |
| 299 | ZStack { |
| 300 | if let image { |
| 301 | Image(uiImage: image).resizable().scaledToFill() |
| 302 | } else { |
| 303 | Circle().fill(.tint.opacity(0.15)) |
| 304 | Text(String(initial.prefix(1)).uppercased()) |
| 305 | .font(.system(size: 14, weight: .semibold)) |
| 306 | } |
| 307 | } |
| 308 | .frame(width: 34, height: 34) |
| 309 | .clipShape(Circle()) |
| 310 | .task(id: (source?.blobID ?? "") + (serverOrigin ?? "")) { |
| 311 | if let source { |
| 312 | image = await BlobImageLoader.shared.image(source, maxPixel: avatarImageMaxPixel) |
| 313 | } else if let serverOrigin, let url = URL(string: serverOrigin + "/api/server-avatar") { |
| 314 | if let (data, resp) = try? await URLSession.shared.data(from: url), |
| 315 | (resp as? HTTPURLResponse)?.statusCode == 200 { |
| 316 | image = PlatformImage(data: data) |
| 317 | } |
| 318 | } |
| 319 | } |
| 320 | } |
| 321 | } |
| 322 | |
| 323 | // The one send path both steps use: encrypt + upload each file, one message. |
| 324 | enum ShareSend { |
| 325 | @MainActor static func send(files: [URL], text: String, instance: SavedInstance, |
| 326 | thread: ChatThread, myUserId: String) async -> Bool { |
| 327 | let model = ChatFeedModel(instance: instance, thread: thread, myUserId: myUserId) |
| 328 | var attachments: [Attachment] = [] |
| 329 | for url in files { |
| 330 | guard let data = try? Data(contentsOf: url) else { continue } |
| 331 | let ext = url.pathExtension.lowercased() |
| 332 | let att: Attachment? = ["mp4", "mov", "m4v"].contains(ext) |
| 333 | ? await model.uploadVideo(data, name: url.lastPathComponent, mimeType: "video/mp4") |
| 334 | : await model.uploadImage(data, name: url.lastPathComponent) |
| 335 | if let att { attachments.append(att) } |
| 336 | } |
| 337 | guard !attachments.isEmpty else { return false } |
| 338 | return await model.sendViaREST(text, attachments: attachments) |
| 339 | } |
| 340 | } |
| 341 | |
| 342 | |
| 343 | // The beat of confirmation before the sheet closes itself. |
| 344 | struct SentConfirmation: View { |
| 345 | let chat: String |
| 346 | @State private var shown = false |
| 347 | |
| 348 | var body: some View { |
| 349 | VStack(spacing: 10) { |
| 350 | Image(systemName: "checkmark.circle.fill") |
| 351 | .font(.system(size: 44)) |
| 352 | .foregroundStyle(.green) |
| 353 | .scaleEffect(shown ? 1 : 0.6) |
| 354 | Text("Sent to \(chat)") |
| 355 | .font(.headline) |
| 356 | } |
| 357 | .padding(28) |
| 358 | .background(RoundedRectangle(cornerRadius: 20, style: .continuous) |
| 359 | .fill(.regularMaterial)) |
| 360 | .opacity(shown ? 1 : 0) |
| 361 | .onAppear { |
| 362 | withAnimation(.spring(response: 0.32, dampingFraction: 0.7)) { shown = true } |
| 363 | } |
| 364 | } |
| 365 | } |
| 366 | |
| 367 | |
| 368 | // The final step: your items, an optional message, and the Send button. |
| 369 | struct ComposeTarget: Identifiable, Hashable { |
| 370 | let instance: SavedInstance |
| 371 | let thread: ChatThread |
| 372 | let myUserId: String |
| 373 | var id: String { instance.id + "|" + thread.id } |
| 374 | |
| 375 | static func == (a: ComposeTarget, b: ComposeTarget) -> Bool { a.id == b.id } |
| 376 | func hash(into hasher: inout Hasher) { hasher.combine(id) } |
| 377 | } |
| 378 | |
| 379 | struct ComposeStep: View { |
| 380 | let target: ComposeTarget |
| 381 | let files: [URL] |
| 382 | let done: (ShareOutcome) -> Void |
| 383 | |
| 384 | @State private var message = "" |
| 385 | @State private var thumbs: [PlatformImage] = [] |
| 386 | @State private var sending = false |
| 387 | @State private var sentTo: String? |
| 388 | @State private var status: String? |
| 389 | @FocusState private var messageFocused: Bool |
| 390 | |
| 391 | var body: some View { |
| 392 | VStack(alignment: .leading, spacing: 14) { |
| 393 | // What's being sent. |
| 394 | ScrollView(.horizontal, showsIndicators: false) { |
| 395 | HStack(spacing: 8) { |
| 396 | ForEach(Array(thumbs.enumerated()), id: \.offset) { _, img in |
| 397 | Image(uiImage: img) |
| 398 | .resizable().scaledToFill() |
| 399 | .frame(width: 84, height: 84) |
| 400 | .clipShape(RoundedRectangle(cornerRadius: 12, style: .continuous)) |
| 401 | } |
| 402 | if thumbs.isEmpty { |
| 403 | Text(files.count == 1 ? "1 item" : "\(files.count) items") |
| 404 | .foregroundStyle(.secondary) |
| 405 | } |
| 406 | } |
| 407 | } |
| 408 | TextField("Add a message…", text: $message, axis: .vertical) |
| 409 | .lineLimit(1...4) |
| 410 | .padding(10) |
| 411 | .background(RoundedRectangle(cornerRadius: 12, style: .continuous) |
| 412 | .fill(.primary.opacity(0.06))) |
| 413 | .focused($messageFocused) |
| 414 | if let status { |
| 415 | Text(status).font(.footnote).foregroundStyle(.secondary) |
| 416 | } |
| 417 | Button(action: send) { |
| 418 | if sending { |
| 419 | ProgressView().frame(maxWidth: .infinity) |
| 420 | } else { |
| 421 | Label("Send to \(target.thread.title)", systemImage: "paperplane.fill") |
| 422 | .frame(maxWidth: .infinity) |
| 423 | } |
| 424 | } |
| 425 | .buttonStyle(.borderedProminent) |
| 426 | .controlSize(.large) |
| 427 | .disabled(sending) |
| 428 | Spacer() |
| 429 | } |
| 430 | .padding(16) |
| 431 | .navigationTitle(target.thread.title) |
| 432 | .navigationBarTitleDisplayMode(.inline) |
| 433 | .overlay { if let sentTo { SentConfirmation(chat: sentTo) } } |
| 434 | .task { |
| 435 | for url in files.prefix(6) { |
| 436 | guard let data = try? Data(contentsOf: url), |
| 437 | !["mp4", "mov", "m4v"].contains(url.pathExtension.lowercased()), |
| 438 | let thumb = processImage(data, maxDim: 320), |
| 439 | let img = PlatformImage(data: thumb.bytes) else { continue } |
| 440 | thumbs.append(img) |
| 441 | } |
| 442 | } |
| 443 | } |
| 444 | |
| 445 | private func send() { |
| 446 | sending = true |
| 447 | status = "Encrypting & uploading…" |
| 448 | Task { |
| 449 | let ok = await ShareSend.send(files: files, text: message, |
| 450 | instance: target.instance, |
| 451 | thread: target.thread, |
| 452 | myUserId: target.myUserId) |
| 453 | sending = false |
| 454 | if ok { |
| 455 | status = nil |
| 456 | sentTo = target.thread.title |
| 457 | try? await Task.sleep(nanoseconds: 900_000_000) |
| 458 | done(.sent(files)) |
| 459 | } else { |
| 460 | status = "Couldn't send — open Eleven to try again." |
| 461 | } |
| 462 | } |
| 463 | } |
| 464 | } |
| 465 | |
amadan