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Event Preloading

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Changelog-Added: Added event preloading when scrolling
Changelog-Added: Preload images so they don't pop in
Changelog-Fixed: Fixed preview elements popping in
Changelog-Changed: Cached various UI elements so its not as laggy
Changelog-Fixed: Fixed glitchy preview
This commit is contained in:
William Casarin
2023-04-30 19:31:14 -07:00
parent c87f19b479
commit 1ca0519e25
11 changed files with 532 additions and 192 deletions
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43
damus/Models/HomeModel.swift
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@@ -232,13 +232,19 @@ class HomeModel: ObservableObject {
if let inner_ev = ev.get_inner_event(cache: damus_state.events) {
boost_ev_id = inner_ev.id
guard validate_event(ev: inner_ev) == .ok else {
return
Task.init {
guard validate_event(ev: inner_ev) == .ok else {
return
}
if inner_ev.is_textlike {
DispatchQueue.main.async {
self.handle_text_event(sub_id: sub_id, ev)
}
}
}
if inner_ev.is_textlike {
handle_text_event(sub_id: sub_id, ev)
}
}
guard let e = boost_ev_id else {
@@ -271,8 +277,8 @@ class HomeModel: ObservableObject {
case .success(let n):
handle_notification(ev: ev)
let liked = Counted(event: ev, id: e.ref_id, total: n)
notify(.liked, liked)
notify(.update_stats, e.ref_id)
//notify(.liked, liked)
//notify(.update_stats, e.ref_id)
}
}
@@ -689,6 +695,7 @@ func process_metadata_profile(our_pubkey: String, profiles: Profiles, profile: P
profiles.add(id: ev.pubkey, profile: tprof)
if let nip05 = profile.nip05, old_nip05 != profile.nip05 {
Task.detached(priority: .background) {
let validated = await validate_nip05(pubkey: ev.pubkey, nip05_str: nip05)
if validated != nil {
@@ -704,17 +711,22 @@ func process_metadata_profile(our_pubkey: String, profiles: Profiles, profile: P
}
// load pfps asap
var changed = false
let picture = tprof.profile.picture ?? robohash(ev.pubkey)
if URL(string: picture) != nil {
notify(.profile_updated, ProfileUpdate(pubkey: ev.pubkey, profile: profile))
changed = true
}
let banner = tprof.profile.banner ?? ""
if URL(string: banner) != nil {
notify(.profile_updated, ProfileUpdate(pubkey: ev.pubkey, profile: profile))
changed = true
}
notify(.profile_updated, ProfileUpdate(pubkey: ev.pubkey, profile: profile))
if changed {
notify(.profile_updated, ProfileUpdate(pubkey: ev.pubkey, profile: profile))
}
}
func guard_valid_event(events: EventCache, ev: NostrEvent, callback: @escaping () -> Void) {
@@ -750,6 +762,8 @@ func process_metadata_event(events: EventCache, our_pubkey: String, profiles: Pr
return
}
profile.cache_lnurl()
DispatchQueue.main.async {
process_metadata_profile(our_pubkey: our_pubkey, profiles: profiles, profile: profile, ev: ev)
}
@@ -936,8 +950,13 @@ func handle_incoming_dms(prev_events: NewEventsBits, dms: DirectMessagesModel, o
}
if inserted {
dms.dms = dms.dms.filter({ $0.events.count > 0 }).sorted { a, b in
return a.events.last!.created_at > b.events.last!.created_at
Task.init {
let new_dms = dms.dms.filter({ $0.events.count > 0 }).sorted { a, b in
return a.events.last!.created_at > b.events.last!.created_at
}
DispatchQueue.main.async {
dms.dms = new_dms
}
}
}