Timeline: Add pills quick access

IceCubesApp/App/AppRegistry.swift

@@ -33,11 +33,13 @@ extension View {
         ConversationDetailView(conversation: conversation)
       case let .hashTag(tag, accountId):
         TimelineView(timeline: .constant(.hashtag(tag: tag, accountId: accountId)),
+                     pinnedFilters: .constant([]),
                      selectedTagGroup: .constant(nil),
                      scrollToTopSignal: .constant(0),
                      canFilterTimeline: false)
       case let .list(list):
         TimelineView(timeline: .constant(.list(list: list)),
+                     pinnedFilters: .constant([]),
                      selectedTagGroup: .constant(nil),
                      scrollToTopSignal: .constant(0),
                      canFilterTimeline: false)
@@ -53,6 +55,7 @@ extension View {
         AccountsListView(mode: .accountsList(accounts: accounts))
       case .trendingTimeline:
         TimelineView(timeline: .constant(.trending),
+                     pinnedFilters: .constant([]),
                      selectedTagGroup: .constant(nil),
                      scrollToTopSignal: .constant(0),
                      canFilterTimeline: false)

IceCubesApp/App/Tabs/Timeline/TimelineTab.swift

@@ -29,6 +29,7 @@ struct TimelineTab: View {
   @Query(sort: \TagGroup.creationDate, order: .reverse) var tagGroups: [TagGroup]
 
   @AppStorage("last_timeline_filter") var lastTimelineFilter: TimelineFilter = .home
+  @AppStorage("timeline_pinned_filters") private var pinnedFilters: [TimelineFilter] = []
 
   private let canFilterTimeline: Bool
 
@@ -41,6 +42,7 @@ struct TimelineTab: View {
   var body: some View {
     NavigationStack(path: $routerPath.path) {
       TimelineView(timeline: $timeline,
+                   pinnedFilters: $pinnedFilters,
                    selectedTagGroup: $selectedTagGroup,
                    scrollToTopSignal: $scrollToTopSignal,
                    canFilterTimeline: canFilterTimeline)
@@ -119,96 +121,13 @@ struct TimelineTab: View {
 
   @ViewBuilder
   private var timelineFilterButton: some View {
-    if timeline.supportNewestPagination {
-      Button {
-        timeline = .latest
-      } label: {
-        Label(TimelineFilter.latest.localizedTitle(), systemImage: TimelineFilter.latest.iconName() ?? "")
-      }
-      if timeline == .home {
-        Button {
-          timeline = .resume
-        } label: {
-          VStack {
-            Label(TimelineFilter.resume.localizedTitle(),
-                  systemImage: TimelineFilter.resume.iconName() ?? "")
-          }
-        }
-      }
-      Divider()
-    }
-    ForEach(TimelineFilter.availableTimeline(client: client), id: \.self) { timeline in
-      Button {
-        self.timeline = timeline
-      } label: {
-        Label(timeline.localizedTitle(), systemImage: timeline.iconName() ?? "")
-      }
-    }
-    if !currentAccount.lists.isEmpty {
-      Menu("timeline.filter.lists") {
-        ForEach(currentAccount.sortedLists) { list in
-          Button {
-            timeline = .list(list: list)
-          } label: {
-            Label(list.title, systemImage: "list.bullet")
-          }
-        }
-        Button {
-          routerPath.presentedSheet = .listCreate
-        } label: {
-          Label("account.list.create", systemImage: "plus")
-        }
-      }
-    }
-
-    if !currentAccount.tags.isEmpty {
-      Menu("timeline.filter.tags") {
-        ForEach(currentAccount.sortedTags) { tag in
-          Button {
-            timeline = .hashtag(tag: tag.name, accountId: nil)
-          } label: {
-            Label("#\(tag.name)", systemImage: "number")
-          }
-        }
-      }
-    }
-
-    Menu("timeline.filter.local") {
-      ForEach(localTimelines) { remoteLocal in
-        Button {
-          timeline = .remoteLocal(server: remoteLocal.instance, filter: .local)
-        } label: {
-          VStack {
-            Label(remoteLocal.instance, systemImage: "dot.radiowaves.right")
-          }
-        }
-      }
-      Button {
-        routerPath.presentedSheet = .addRemoteLocalTimeline
-      } label: {
-        Label("timeline.filter.add-local", systemImage: "badge.plus.radiowaves.right")
-      }
-    }
-
-    Menu("timeline.filter.tag-groups") {
-      ForEach(tagGroups) { group in
-        Button {
-          selectedTagGroup = group
-          timeline = .tagGroup(title: group.title, tags: group.tags)
-        } label: {
-          VStack {
-            let icon = group.symbolName.isEmpty ? "number" : group.symbolName
-            Label(group.title, systemImage: icon)
-          }
-        }
-      }
-
-      Button {
-        routerPath.presentedSheet = .addTagGroup
-      } label: {
-        Label("timeline.filter.add-tag-groups", systemImage: "plus")
-      }
-    }
+    latestOrResumeButtons
+    pinMenuButton
+    timelineFiltersButtons
+    listsFiltersButons
+    tagsFiltersButtons
+    localTimelinesFiltersButtons
+    tagGroupsFiltersButtons
   }
 
   private var addAccountButton: some View {
@@ -264,6 +183,136 @@ struct TimelineTab: View {
     }
   }
   
+  @ViewBuilder
+  private var latestOrResumeButtons: some View {
+    if timeline.supportNewestPagination {
+      Button {
+        timeline = .latest
+      } label: {
+        Label(TimelineFilter.latest.localizedTitle(), systemImage: TimelineFilter.latest.iconName() ?? "")
+      }
+      if timeline == .home {
+        Button {
+          timeline = .resume
+        } label: {
+          VStack {
+            Label(TimelineFilter.resume.localizedTitle(),
+                  systemImage: TimelineFilter.resume.iconName() ?? "")
+          }
+        }
+      }
+      Divider()
+    }
+  }
+  
+  @ViewBuilder
+  private var pinMenuButton: some View {
+    let index = pinnedFilters.firstIndex(where: { $0.id == timeline.id})
+    Button {
+      withAnimation {
+        if let index {
+          pinnedFilters.remove(at: index)
+        } else {
+          pinnedFilters.append(timeline)
+        }
+      }
+    } label: {
+      if index != nil  {
+        Label("status.action.unpin", systemImage: "pin.slash")
+      } else {
+        Label("status.action.pin", systemImage: "pin")
+      }
+    }
+    
+    Divider()
+  }
+  
+  private var timelineFiltersButtons: some View {
+    ForEach(TimelineFilter.availableTimeline(client: client), id: \.self) { timeline in
+      Button {
+        self.timeline = timeline
+      } label: {
+        Label(timeline.localizedTitle(), systemImage: timeline.iconName() ?? "")
+      }
+    }
+  }
+  
+  @ViewBuilder
+  private var listsFiltersButons: some View {
+    if !currentAccount.lists.isEmpty {
+      Menu("timeline.filter.lists") {
+        ForEach(currentAccount.sortedLists) { list in
+          Button {
+            timeline = .list(list: list)
+          } label: {
+            Label(list.title, systemImage: "list.bullet")
+          }
+        }
+        Button {
+          routerPath.presentedSheet = .listCreate
+        } label: {
+          Label("account.list.create", systemImage: "plus")
+        }
+      }
+    }
+  }
+  
+  @ViewBuilder
+  private var tagsFiltersButtons: some View {
+    if !currentAccount.tags.isEmpty {
+      Menu("timeline.filter.tags") {
+        ForEach(currentAccount.sortedTags) { tag in
+          Button {
+            timeline = .hashtag(tag: tag.name, accountId: nil)
+          } label: {
+            Label("#\(tag.name)", systemImage: "number")
+          }
+        }
+      }
+    }
+  }
+  
+  private var localTimelinesFiltersButtons: some View {
+    Menu("timeline.filter.local") {
+      ForEach(localTimelines) { remoteLocal in
+        Button {
+          timeline = .remoteLocal(server: remoteLocal.instance, filter: .local)
+        } label: {
+          VStack {
+            Label(remoteLocal.instance, systemImage: "dot.radiowaves.right")
+          }
+        }
+      }
+      Button {
+        routerPath.presentedSheet = .addRemoteLocalTimeline
+      } label: {
+        Label("timeline.filter.add-local", systemImage: "badge.plus.radiowaves.right")
+      }
+    }
+  }
+  
+  private var tagGroupsFiltersButtons: some View {
+    Menu("timeline.filter.tag-groups") {
+      ForEach(tagGroups) { group in
+        Button {
+          selectedTagGroup = group
+          timeline = .tagGroup(title: group.title, tags: group.tags)
+        } label: {
+          VStack {
+            let icon = group.symbolName.isEmpty ? "number" : group.symbolName
+            Label(group.title, systemImage: icon)
+          }
+        }
+      }
+
+      Button {
+        routerPath.presentedSheet = .addTagGroup
+      } label: {
+        Label("timeline.filter.add-tag-groups", systemImage: "plus")
+      }
+    }
+  }
+
   private func resetTimelineFilter() {
     if client.isAuth, canFilterTimeline {
       timeline = lastTimelineFilter

Packages/Timeline/Sources/Timeline/TimelineFilter.swift

@@ -29,7 +29,8 @@ public enum RemoteTimelineFilter: String, CaseIterable, Hashable, Equatable {
   }
 }
 
-public enum TimelineFilter: Hashable, Equatable {
+public enum TimelineFilter: Hashable, Equatable, Identifiable {
+  
   case home, local, federated, trending
   case hashtag(tag: String, accountId: String?)
   case tagGroup(title: String, tags: [String])
@@ -38,6 +39,10 @@ public enum TimelineFilter: Hashable, Equatable {
   case latest
   case resume
 
+  public var id: String {
+    title
+  }
+  
   public func hash(into hasher: inout Hasher) {
     hasher.combine(title)
   }
@@ -204,7 +209,7 @@ extension TimelineFilter: Codable {
         accountId: accountId
       )
     case .tagGroup:
-      var nestedContainer = try container.nestedUnkeyedContainer(forKey: .hashtag)
+      var nestedContainer = try container.nestedUnkeyedContainer(forKey: .tagGroup)
       let title = try nestedContainer.decode(String.self)
       let tags = try nestedContainer.decode([String].self)
       self = .tagGroup(
@@ -259,7 +264,7 @@ extension TimelineFilter: Codable {
     case let .list(list):
       try container.encode(list, forKey: .list)
     case let .remoteLocal(server, filter):
-      var nestedContainer = container.nestedUnkeyedContainer(forKey: .hashtag)
+      var nestedContainer = container.nestedUnkeyedContainer(forKey: .remoteLocal)
       try nestedContainer.encode(server)
       try nestedContainer.encode(filter)
     case .latest:

Packages/Timeline/Sources/Timeline/View/TimelineQuickAccessPills.swift

@@ -0,0 +1,100 @@
+import SwiftUI
+import Env
+import Models
+import DesignSystem
+
+@MainActor
+struct TimelineQuickAccessPills: View {
+  @Environment(Theme.self) private var theme
+  @Environment(CurrentAccount.self) private var currentAccount
+  
+  @Binding var pinnedFilters: [TimelineFilter]
+  @Binding var timeline: TimelineFilter
+  
+  @State private var draggedFilter: TimelineFilter?
+  
+  var body: some View {
+    ScrollView(.horizontal) {
+      HStack {
+        ForEach(pinnedFilters) { filter in
+          makePill(filter)
+        }
+      }
+    }
+    .scrollClipDisabled()
+    .scrollIndicators(.never)
+    .listRowInsets(EdgeInsets(top: 8, leading: .layoutPadding, bottom: 8, trailing: .layoutPadding))
+#if !os(visionOS)
+    .listRowBackground(theme.primaryBackgroundColor)
+#endif
+    .listRowSeparator(.hidden)
+  }
+  
+  @ViewBuilder
+  private func makePill(_ filter: TimelineFilter) -> some View {
+    if !isFilterSupport(filter) {
+      EmptyView()
+    } else if filter == timeline {
+      makeButton(filter)
+        .buttonStyle(.borderedProminent)
+    } else {
+      makeButton(filter)
+        .buttonStyle(.bordered)
+    }
+  }
+  
+  private func makeButton(_ filter: TimelineFilter) -> some View {
+    Button {
+      timeline = filter
+    } label: {
+      Label(filter.localizedTitle(), systemImage: filter.iconName() ?? "")
+        .font(.callout)
+    }
+    .transition(.push(from: .leading).combined(with: .opacity))
+    .onDrag {
+      draggedFilter = filter
+      return NSItemProvider()
+    }
+    .onDrop(of: [.text], delegate: PillDropDelegate(destinationItem: filter,
+                                                    items: $pinnedFilters,
+                                                    draggedItem: $draggedFilter))
+  }
+  
+  private func isFilterSupport(_ filter: TimelineFilter) -> Bool {
+    switch filter {
+    case .list(let list):
+      return currentAccount.lists.contains(where: { $0.id == list.id })
+    default:
+      return true
+    }
+  }
+}
+
+struct PillDropDelegate: DropDelegate {
+  let destinationItem: TimelineFilter
+  @Binding var items: [TimelineFilter]
+  @Binding var draggedItem: TimelineFilter?
+  
+  func dropUpdated(info: DropInfo) -> DropProposal? {
+    return DropProposal(operation: .move)
+  }
+  
+  func performDrop(info: DropInfo) -> Bool {
+    draggedItem = nil
+    return true
+  }
+  
+  func dropEntered(info: DropInfo) {
+    if let draggedItem {
+      let fromIndex = items.firstIndex(of: draggedItem)
+      if let fromIndex {
+        let toIndex = items.firstIndex(of: destinationItem)
+        if let toIndex, fromIndex != toIndex {
+          withAnimation {
+            self.items.move(fromOffsets: IndexSet(integer: fromIndex), toOffset: (toIndex > fromIndex ? (toIndex + 1) : toIndex))
+          }
+        }
+      }
+    }
+  }
+}

Packages/Timeline/Sources/Timeline/View/TimelineView.swift

@@ -25,6 +25,7 @@ public struct TimelineView: View {
   @State private var collectionView: UICollectionView?
 
   @Binding var timeline: TimelineFilter
+  @Binding var pinnedFilters: [TimelineFilter]
   @Binding var selectedTagGroup: TagGroup?
   @Binding var scrollToTopSignal: Int
 
@@ -33,11 +34,13 @@ public struct TimelineView: View {
   private let canFilterTimeline: Bool
 
   public init(timeline: Binding<TimelineFilter>,
+              pinnedFilters: Binding<[TimelineFilter]>,
               selectedTagGroup: Binding<TagGroup?>,
               scrollToTopSignal: Binding<Int>,
               canFilterTimeline: Bool)
   {
     _timeline = timeline
+    _pinnedFilters = pinnedFilters
     _selectedTagGroup = selectedTagGroup
     _scrollToTopSignal = scrollToTopSignal
     self.canFilterTimeline = canFilterTimeline
@@ -48,7 +51,7 @@ public struct TimelineView: View {
       ZStack(alignment: .top) {
         List {
           scrollToTopView
-          TimelineTagGroupheaderView(group: $selectedTagGroup, timeline: $viewModel.timeline)
+          TimelineTagGroupheaderView(group: $selectedTagGroup, timeline: $timeline)
           TimelineTagHeaderView(tag: $viewModel.tag)
           switch viewModel.timeline {
           case .remoteLocal:
@@ -77,6 +80,14 @@ public struct TimelineView: View {
           PendingStatusesObserverView(observer: viewModel.pendingStatusesObserver)
         }
       }
+      .safeAreaInset(edge: .top) {
+        if canFilterTimeline, !pinnedFilters.isEmpty {
+          TimelineQuickAccessPills(pinnedFilters: $pinnedFilters, timeline: $timeline)
+            .padding(.vertical, 8)
+            .padding(.horizontal, .layoutPadding)
+            .background(theme.primaryBackgroundColor.opacity(0.50).background(Material.ultraThin))
+        }
+      }
       .onChange(of: viewModel.scrollToIndex) { _, newValue in
         if let collectionView,
            let newValue,