macos: Reconfigure preview for PlaybackBar view TIL "MARK:" comment support for Xcode.

Changes

2 changed files (+193/-28)

• macos/plac/DataModels/ZoneDataModel.swift
  • @@ -21,33 +21,30 @@ import SwiftUI
    final class ZoneDataModel { let conn: Communicatable - private var zoneID: TransportService.Zone.ID? = nil - private var _zones: [TransportService.Zone.ID: TransportService.Zone] = [:] + public var zone: TransportService.Zone? = nil + private var _zones: [TransportService.Zone] = [] - private(set) var zones: [TransportService.Zone.ID: TransportService.Zone] { + private(set) var zones: [TransportService.Zone] { get { _zones } set { _zones = newValue - if let zoneID = zoneID, _zones[zoneID] != nil { - return + if let zoneID = zone?.id { + for zone in _zones { + if zone.id == zoneID { + return + } + } } - zoneID = _zones.first?.key - } - } - - var zone: TransportService.Zone? { - get { - if let zoneID = zoneID { - zones[zoneID] - } else { - nil + for zone in _zones { + self.zone = zone + return } - } - set { zoneID = newValue?.id } + self.zone = nil + } } init(conn: Communicatable) {
  • @@ -60,24 +57,36 @@ final class ZoneDataModel {
    ) let body = try TransportService.SubscribeZoneChangesResponse(msg) - zones = body.zones.reduce(into: [:]) { dict, zone in - dict[zone.id] = zone - } + zones = body.zones for try await message in await conn.messages.compactMap({ TransportService.ZoneChangeEvent($0) }) { for added in message.addedZones { - zones[added.id] = added + putZone(zone: added) } for changed in message.changedZones { - zones[changed.id] = changed + putZone(zone: changed) } for removedID in message.removedZoneIDs { - zones[removedID] = nil + removeZone(zoneID: removedID) } } } + + private func putZone(zone: TransportService.Zone) { + if let index = zones.firstIndex(where: { z in z.id == zone.id }) { + zones[index] = zone + } else { + zones.append(zone) + } + } + + private func removeZone(zoneID: TransportService.Zone.ID) { + if let index = zones.firstIndex(where: { z in z.id == zoneID }) { + zones.remove(at: index) + } + } }
• macos/plac/Views/PlaybackBar.swift
  • @@ -106,11 +106,7 @@ struct PlaybackBar: View {
    if model.zones.count > 0 && zone != nil { @Bindable var model = model Picker("Zone", selection: $model.zone) { - ForEach( - model.zones.values.sorted(by: { - $0.id < $1.id - }) - ) { (zone: TransportService.Zone) in + ForEach(model.zones) { (zone: TransportService.Zone) in Text(zone.displayName).tag(zone) } }
  • @@ -143,3 +139,163 @@ struct PlaybackBar: View {
    isPerformingAction = false } } + + // MARK: - Previews + + private actor MockServer: Communicatable { + var messages: AsyncStream<Moo> { + AsyncStream { stream in + Task { + do { + var i: Int = 0 + + while true { + try Task.checkCancellation() + try await Task.sleep(for: .seconds(1)) + + i += 1 + if i > 60 { + i = 0 + } + + let body = """ + { + "zones_seek_changed": [ + { + "zone_id": "foo", + "seek_position": \(String(i, radix: 10)) + } + ] + } + """ + + stream.yield( + Moo( + verb: "CONTINUE", + service: "idk", + headers: [ + "Content-Type": "application/json", + "Content-Length": String(body.utf8.count, radix: 10), + ], + body: body.data(using: .utf8)! + ) + ) + } + } catch { + stream.finish() + } + } + } + } + + func request(_ msg: consuming Moo) async throws -> Moo { + try await request(msg: msg, timeout: nil) + } + + func request(_ msg: consuming Moo, timeout: ContinuousClock.Instant.Duration) + async throws -> Moo + { + try await request(msg: msg, timeout: timeout) + } + + fileprivate enum MockRequestError: Error { + case unsupportedMessage + } + + private func request( + msg: Moo, + timeout: ContinuousClock.Instant.Duration? = nil + ) async throws -> Moo { + switch msg.service { + case "\(TransportService.id)/subscribe_zones": + let body = """ + { + "zones": [ + { + "zone_id": "0-foo", + "display_name": "Foo", + "outputs": [ + { + "output_id": "foo-out1", + "display_name": "Foo Output #1", + "volume": { + "type": "number", + "min": 0, + "max": 100, + "step": 1, + "value": 50, + "is_muted": false + } + }, + { + "output_id": "foo-out2", + "display_name": "Foo Output #2", + "volume": { + "type": "incremental" + } + } + ], + "now_playing": { + "seek_position": 89, + "length": 120, + "one_line": { + "line1": "A song" + }, + "two_line": { + "line1": "A song", + "line2": "That's it" + }, + "three_line": { + "line1": "A song", + "line2": "Really, that's it" + } + }, + "state": "playing", + "is_previous_allowed": true, + "is_next_allowed": false, + "is_pause_allowed": true, + "is_play_allowed": true, + "is_seek_allowed": true + }, + { + "zone_id": "1-bar", + "display_name": "Bar", + "outputs": [], + "state": "stopped" + } + ] + } + """ + + return Moo( + verb: "COMPLETE", + service: "Subscribed", + headers: [ + "Content-Type": "application/json", + "Content-Length": String(body.utf8.count, radix: 10), + ], + body: body.data(using: .utf8)! + ) + default: + throw MockRequestError.unsupportedMessage + } + } + + func send(_ msg: consuming Moo) async throws { + // No-op + } + } + + #Preview { + let model = ZoneDataModel(conn: MockServer()) + + PlaybackBar() + .environment(model) + .task { + do { + try await model.watchChanges() + } catch { + print(error) + } + } + }