commit dd7d9a4a66db05fa5529ef83f8712553e3d3178b
parent 6de7d7ae58e1bcb93d62a66e9b9a775a7765346d
Author: William Casarin <jb55@jb55.com>
Date: Wed, 15 Jun 2022 14:43:22 -0700
eose loading spinners
Changelog-Added: Add [NIP-15](https://github.com/nostr-protocol/nips/blob/master/15.md) loading spinners
Signed-off-by: William Casarin <jb55@jb55.com>
Diffstat:
8 files changed, 55 insertions(+), 24 deletions(-)
diff --git a/damus/ContentView.swift b/damus/ContentView.swift
@@ -85,7 +85,7 @@ struct ContentView: View {
var PostingTimelineView: some View {
ZStack {
if let damus = self.damus_state {
- TimelineView(events: $home.events, damus: damus)
+ TimelineView(events: $home.events, loading: $home.loading, damus: damus)
}
if privkey != nil {
PostButtonContainer {
@@ -114,7 +114,7 @@ struct ContentView: View {
PostingTimelineView
case .notifications:
- TimelineView(events: $home.notifications, damus: damus)
+ TimelineView(events: $home.notifications, loading: $home.loading, damus: damus)
.navigationTitle("Notifications")
case .none:
diff --git a/damus/Models/HomeModel.swift b/damus/Models/HomeModel.swift
@@ -23,6 +23,7 @@ class HomeModel: ObservableObject {
@Published var new_notifications: Bool = false
@Published var notifications: [NostrEvent] = []
@Published var events: [NostrEvent] = []
+ @Published var loading: Bool = false
@Published var signal: SignalModel = SignalModel()
init() {
@@ -138,8 +139,10 @@ class HomeModel: ObservableObject {
switch ev {
case .connected:
if !done_init {
+ self.loading = true
send_initial_filters(relay_id: relay_id)
} else {
+ self.loading = true
send_home_filters(relay_id: relay_id)
}
case .error(let merr):
@@ -178,6 +181,7 @@ class HomeModel: ObservableObject {
print(msg)
case .eose:
+ self.loading = false
break
}
}
diff --git a/damus/Models/SearchHomeModel.swift b/damus/Models/SearchHomeModel.swift
@@ -11,6 +11,8 @@ import Foundation
/// The data model for the SearchHome view, typically something global-like
class SearchHomeModel: ObservableObject {
@Published var events: [NostrEvent] = []
+ @Published var loading: Bool = false
+
let pool: RelayPool
let sub_id = UUID().description
let limit: UInt32 = 250
@@ -27,10 +29,12 @@ class SearchHomeModel: ObservableObject {
}
func subscribe() {
+ loading = true
pool.subscribe(sub_id: sub_id, filters: [get_base_filter()], handler: handle_event)
}
func unsubscribe() {
+ loading = false
pool.unsubscribe(sub_id: sub_id)
}
@@ -52,6 +56,7 @@ class SearchHomeModel: ObservableObject {
case .notice(let msg):
print("search home notice: \(msg)")
case .eose:
+ loading = false
break
}
}
diff --git a/damus/Models/SearchModel.swift b/damus/Models/SearchModel.swift
@@ -10,6 +10,7 @@ import Foundation
class SearchModel: ObservableObject {
@Published var events: [NostrEvent] = []
+ @Published var loading: Bool = false
let pool: RelayPool
var search: NostrFilter
let sub_id = UUID().description
@@ -29,11 +30,13 @@ class SearchModel: ObservableObject {
print("subscribing to search '\(search)' with sub_id \(sub_id)")
pool.register_handler(sub_id: sub_id, handler: handle_event)
+ loading = true
pool.send(.subscribe(.init(filters: [search], sub_id: sub_id)))
}
func unsubscribe() {
self.pool.unsubscribe(sub_id: sub_id)
+ loading = false
print("unsubscribing from search '\(search)' with sub_id \(sub_id)")
}
@@ -48,11 +51,15 @@ class SearchModel: ObservableObject {
}
func handle_event(relay_id: String, ev: NostrConnectionEvent) {
- handle_subid_event(pool: pool, sub_id: sub_id, relay_id: relay_id, ev: ev) { ev in
+ let done = handle_subid_event(pool: pool, sub_id: sub_id, relay_id: relay_id, ev: ev) { ev in
if ev.known_kind == .text {
self.add_event(ev)
}
}
+
+ if done {
+ loading = false
+ }
}
}
@@ -74,26 +81,29 @@ func event_matches_filter(_ ev: NostrEvent, filter: NostrFilter) -> Bool {
return true
}
-func handle_subid_event(pool: RelayPool, sub_id: String, relay_id: String, ev: NostrConnectionEvent, handle: (NostrEvent) -> ()) {
- switch ev {
- case .ws_event:
+func handle_subid_event(pool: RelayPool, sub_id: String, relay_id: String, ev: NostrConnectionEvent, handle: (NostrEvent) -> ()) -> Bool {
+ switch ev {
+ case .ws_event:
+ break
+ case .nostr_event(let res):
+ switch res {
+ case .event(let ev_subid, let ev):
+ if ev_subid == sub_id {
+ handle(ev)
+ }
break
- case .nostr_event(let res):
- switch res {
- case .event(let ev_subid, let ev):
- if ev_subid == sub_id {
- handle(ev)
- }
- case .notice(let note):
- if note.contains("Too many subscription filters") {
- // TODO: resend filters?
- pool.reconnect(to: [relay_id])
- }
- break
-
- case .eose:
- break
+ case .notice(let note):
+ if note.contains("Too many subscription filters") {
+ // TODO: resend filters?
+ pool.reconnect(to: [relay_id])
}
+ break
+
+ case .eose:
+ return true
}
+ }
+
+ return false
}
diff --git a/damus/Models/ThreadModel.swift b/damus/Models/ThreadModel.swift
@@ -33,6 +33,8 @@ class ThreadModel: ObservableObject {
@Published var initial_event: InitialEvent
@Published var events: [NostrEvent] = []
@Published var event_map: [String: Int] = [:]
+ @Published var loading: Bool = false
+
var replies: ReplyMap = ReplyMap()
var event: NostrEvent? {
@@ -121,6 +123,7 @@ class ThreadModel: ObservableObject {
print("subscribing to thread \(initial_event.id) with sub_id \(sub_id)")
pool.register_handler(sub_id: sub_id, handler: handle_event)
+ loading = true
pool.send(.subscribe(.init(filters: [ref_events, events_filter], sub_id: sub_id)))
}
@@ -162,11 +165,15 @@ class ThreadModel: ObservableObject {
}
func handle_event(relay_id: String, ev: NostrConnectionEvent) {
- handle_subid_event(pool: pool, sub_id: sub_id, relay_id: relay_id, ev: ev) { ev in
+ let done = handle_subid_event(pool: pool, sub_id: sub_id, relay_id: relay_id, ev: ev) { ev in
if ev.known_kind == .text {
self.add_event(ev)
}
}
+
+ if done {
+ loading = false
+ }
}
}
diff --git a/damus/Views/SearchHomeView.swift b/damus/Views/SearchHomeView.swift
@@ -30,7 +30,7 @@ struct SearchHomeView: View {
}
var GlobalContent: some View {
- TimelineView(events: $model.events, damus: damus_state)
+ TimelineView(events: $model.events, loading: $model.loading, damus: damus_state)
}
var SearchContent: some View {
diff --git a/damus/Views/SearchView.swift b/damus/Views/SearchView.swift
@@ -13,7 +13,7 @@ struct SearchView: View {
@Environment(\.dismiss) var dismiss
var body: some View {
- TimelineView(events: $search.events, damus: appstate)
+ TimelineView(events: $search.events, loading: $search.loading, damus: appstate)
.navigationBarTitle(describe_search(search.search))
.padding([.leading, .trailing], 6)
.onReceive(handle_notify(.switched_timeline)) { obj in
diff --git a/damus/Views/TimelineView.swift b/damus/Views/TimelineView.swift
@@ -33,6 +33,7 @@ struct InnerTimelineView: View {
struct TimelineView: View {
@Binding var events: [NostrEvent]
+ @Binding var loading: Bool
let damus: DamusState
@@ -44,6 +45,10 @@ struct TimelineView: View {
var MainContent: some View {
ScrollViewReader { scroller in
ScrollView {
+ if loading {
+ ProgressView()
+ .progressViewStyle(.circular)
+ }
InnerTimelineView(events: $events, damus: damus)
}
.onReceive(NotificationCenter.default.publisher(for: .scroll_to_top)) { _ in