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update browse panel

Browse Source
This commit is contained in:
reya
2026-10-07 10:31:16 +07:00
parent 96ceacb5fb
commit d0f02dfb4b
6 changed files with 340 additions and 102 deletions
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crates/workspace/src/panels/browse.rs
+199 -95
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@@ -1,11 +1,13 @@
use std::ops::Range;
use std::rc::Rc;
use gpui::prelude::FluentBuilder;
use gpui::{
AnyElement, App, AppContext, Context, Entity, EventEmitter, FocusHandle, Focusable,
IntoElement, ParentElement, Render, SharedString, Styled, Subscription, WeakEntity, Window,
div, uniform_list,
IntoElement, ParentElement, Render, ScrollStrategy, SharedString, Styled, Subscription,
WeakEntity, Window, div, px, size,
};
use gpui_base::{VirtualListScrollHandle, v_virtual_list};
use nip29::{Discovery, GroupCandidate, GroupKey, GroupsEvent, GroupsRegistry};
use nostr_sdk::prelude::RelayUrl;
use settings::AppSettings;
@@ -17,11 +19,16 @@ use ui::dock::{DockArea, DockPlacement, Panel, PanelEvent, PanelHandle};
use ui::indicator::Indicator;
use ui::input::{Input, InputEvent, InputState};
use ui::notification::Notification;
use ui::scroll::Scrollbar;
use ui::{Disableable, Icon, IconName, Sizable, StyledExt, WindowExtension, h_flex, v_flex};
const TITLE: &str = "Browse";
const INPUT_PLACEHOLDER: &str = "wss://relay.example.com";
const CARD_HEIGHT: f32 = 150.0;
const DESCRIPTION_HEIGHT: f32 = 32.0;
const NO_DESCRIPTION: &str = "No description";
pub fn init(dock: WeakEntity<DockArea>, window: &mut Window, cx: &mut App) -> Entity<BrowsePanel> {
cx.new(|cx| BrowsePanel::new(dock, window, cx))
}
@@ -37,6 +44,8 @@ pub struct BrowsePanel {
candidates: Vec<GroupCandidate>,
/// The groups discovered from the cache and the relays
discovery: Entity<Discovery>,
/// The scroll position of the group list
scroll_handle: VirtualListScrollHandle,
/// Whether the relay is still answering
loading: bool,
_subscriptions: SmallVec<[Subscription; 3]>,
@@ -88,6 +97,7 @@ impl BrowsePanel {
relay: None,
candidates: Vec::new(),
discovery,
scroll_handle: VirtualListScrollHandle::new(),
loading: false,
_subscriptions: subscriptions,
}
@@ -113,6 +123,7 @@ impl BrowsePanel {
self.relay = Some(relay.clone());
self.candidates.clear();
self.loading = true;
self.scroll_handle.scroll_to_item(0, ScrollStrategy::Top);
registry.update(cx, |registry, cx| {
registry.browse(relay, cx);
@@ -165,16 +176,12 @@ impl BrowsePanel {
);
}
fn render_rows(
&self,
candidates: &[GroupCandidate],
relay_detail: bool,
fn render_discovered_rows(
&mut self,
range: Range<usize>,
cx: &mut Context<Self>,
) -> Vec<AnyElement> {
let registry = GroupsRegistry::global(cx);
let hide_avatar = AppSettings::get_hide_avatar(cx);
let panel = cx.entity().downgrade();
let joined: Vec<GroupKey> = registry
.read(cx)
@@ -183,81 +190,170 @@ impl BrowsePanel {
.map(|group| group.read(cx).key().clone())
.collect();
candidates
.get(range)
.into_iter()
.flatten()
.map(|candidate| {
let key = candidate.key.clone();
let name = SharedString::from(candidate.display_name().to_owned());
let cards: Vec<GroupCandidate> = self
.discovery
.read(cx)
.discovered()
.iter()
.filter(|candidate| !joined.contains(&candidate.key))
.skip(range.start * 2)
.take((range.end - range.start) * 2)
.cloned()
.collect();
let seed = key.cache_tag();
let is_joined = joined.contains(&key);
self.render_card_rows(&cards, range, cx)
}
let picture = candidate
.display_image()
.map(|picture| SharedString::from(picture.to_owned()));
fn render_browse_rows(
&mut self,
range: Range<usize>,
cx: &mut Context<Self>,
) -> Vec<AnyElement> {
let start = range.start * 2;
let end = (range.end * 2).min(self.candidates.len());
let cards = self.candidates.get(start..end).unwrap_or(&[]);
let detail = if relay_detail {
key.relay().domain().unwrap_or_else(|| key.relay().as_str())
} else {
key.id().as_str()
};
self.render_card_rows(cards, range, cx)
}
let action = if is_joined {
Button::new(format!("browse-joined-{seed}"))
.label("Joined")
.small()
.disabled(true)
.into_any_element()
} else {
let panel = panel.clone();
let clicked = key.clone();
Button::new(format!("browse-join-{seed}"))
.label("Join")
.small()
.on_click(move |_event, window, cx| {
if let Err(error) = panel.update(cx, |panel, cx| {
panel.join(clicked.clone(), window, cx);
}) {
log::error!("Failed to join a browsed group: {error}");
}
})
.into_any_element()
};
/// A row holds two group cards side by side.
fn render_card_rows(
&self,
cards: &[GroupCandidate],
range: Range<usize>,
cx: &mut Context<Self>,
) -> Vec<AnyElement> {
range
.map(|row| {
let first = cards.get(row * 2);
let second = cards.get(row * 2 + 1);
h_flex()
.w_full()
.h(px(CARD_HEIGHT))
.p_2()
.gap_2()
.px_1p5()
.py_1()
.when(!hide_avatar, |this| {
this.child(
Avatar::from_source(picture)
.seed(seed)
.small()
.flex_shrink_0(),
)
})
.child(
v_flex()
.flex_1()
.min_w_0()
.child(div().text_sm().font_medium().truncate().child(name))
.child(
div()
.text_xs()
.text_color(cx.theme().text_placeholder)
.truncate()
.child(SharedString::from(detail.to_owned())),
),
)
.child(action)
.children(first.map(|card| self.render_card(card, cx)))
.children(second.map(|card| self.render_card(card, cx)))
.into_any_element()
})
.collect()
}
fn render_card(&self, candidate: &GroupCandidate, cx: &mut Context<Self>) -> AnyElement {
let key = candidate.key.clone();
let seed = key.cache_tag();
let members = self.discovery.read(cx).members(&key).unwrap_or(0);
let name = SharedString::from(candidate.display_name().to_owned());
let relay = SharedString::from(key.relay().as_str().to_owned());
let picture = candidate
.display_image()
.map(|picture| SharedString::from(picture.to_owned()));
let about = candidate
.display_about()
.map(|about| SharedString::from(about.to_owned()));
let registry = GroupsRegistry::global(cx);
let hide_avatar = AppSettings::get_hide_avatar(cx);
let joined = registry.read(cx).group(&key, cx).is_some();
let action = if joined {
Button::new(format!("browse-joined-{seed}"))
.label("Joined")
.small()
.ghost()
.disabled(true)
.into_any_element()
} else {
let panel = cx.entity().downgrade();
let clicked = key;
Button::new(format!("browse-join-{seed}"))
.label("Join")
.small()
.ghost()
.on_click(move |_event, window, cx| {
let _ = panel.update(cx, |panel, cx| {
panel.join(clicked.clone(), window, cx);
});
})
.into_any_element()
};
v_flex()
.flex_1()
.min_w_0()
.h_full()
.overflow_hidden()
.border_1()
.border_color(cx.theme().border)
.rounded_lg()
.bg(cx.theme().surface_background)
.child(
v_flex()
.flex_1()
.min_h_0()
.p_2()
.gap_1p5()
.child(
h_flex()
.w_full()
.items_center()
.gap_1p5()
.when(!hide_avatar, |this| {
this.child(
Avatar::from_source(picture)
.seed(seed)
.small()
.flex_shrink_0(),
)
})
.child(
v_flex()
.flex_1()
.min_w_0()
.child(div().text_sm().font_medium().truncate().child(name))
.child(
div()
.text_xs()
.text_color(cx.theme().text_placeholder)
.truncate()
.child(relay),
),
)
.child(action),
)
.child(
div()
.h(px(DESCRIPTION_HEIGHT))
.text_xs()
.text_color(cx.theme().text_muted)
.when_none(&about, |this| {
this.child(
div()
.text_color(cx.theme().text_placeholder)
.child(NO_DESCRIPTION),
)
})
.when_some(about, |this, about| this.child(about)),
)
.child(div().flex_1())
.child(
h_flex()
.w_full()
.items_center()
.gap_1()
.text_xs()
.text_color(cx.theme().text_placeholder)
.child(Icon::new(IconName::Group).text_color(cx.theme().icon_muted))
.child(format!("{members} members")),
),
)
.into_any_element()
}
}
fn notice(text: &'static str, cx: &App) -> AnyElement {
@@ -301,8 +397,11 @@ impl Render for BrowsePanel {
let count = self.candidates.len();
let discover = self.relay.is_none();
let (discovered, discovered_count, discovering) = if discover {
let (discovered_count, discovering) = if discover {
let registry = GroupsRegistry::global(cx);
let discovery = self.discovery.read(cx);
let discovering = discovery.loading();
let joined: Vec<GroupKey> = registry
.read(cx)
.groups()
@@ -310,31 +409,29 @@ impl Render for BrowsePanel {
.map(|group| group.read(cx).key().clone())
.collect();
let discovery = self.discovery.read(cx);
let discovering = discovery.loading();
let discovered: Vec<GroupCandidate> = discovery
let discovered_count = discovery
.discovered()
.iter()
.filter(|candidate| !joined.contains(&candidate.key))
.cloned()
.collect();
.count();
let count = discovered.len();
(discovered, count, discovering)
(discovered_count, discovering)
} else {
(Vec::new(), 0, false)
(0, false)
};
let body = if discover {
if discovered_count > 0 {
uniform_list(
"browse-discovered",
discovered_count,
cx.processor(move |this, range, _window, cx| {
this.render_rows(&discovered, true, range, cx)
}),
let rows = discovered_count.div_ceil(2);
let item_sizes = Rc::new(vec![size(px(0.), px(CARD_HEIGHT)); rows]);
v_virtual_list(
cx.entity(),
"discovered",
item_sizes,
|this, range, _, cx| this.render_discovered_rows(range, cx),
)
.track_scroll(&self.scroll_handle)
.h_full()
.into_any_element()
} else if discovering {
@@ -343,13 +440,13 @@ impl Render for BrowsePanel {
notice("No groups found.", cx)
}
} else if count > 0 {
uniform_list(
"browse-groups",
count,
cx.processor(|this, range, _window, cx| {
this.render_rows(&this.candidates, false, range, cx)
}),
)
let rows = count.div_ceil(2);
let item_sizes = Rc::new(vec![size(px(0.), px(CARD_HEIGHT)); rows]);
v_virtual_list(cx.entity(), "groups", item_sizes, |this, range, _, cx| {
this.render_browse_rows(range, cx)
})
.track_scroll(&self.scroll_handle)
.h_full()
.into_any_element()
} else if self.loading {
@@ -388,6 +485,13 @@ impl Render for BrowsePanel {
.child("Discovered groups"),
)
})
.child(div().flex_1().min_h_0().child(body))
.child(
div()
.flex_1()
.min_h_0()
.relative()
.child(body)
.child(Scrollbar::vertical(&self.scroll_handle)),
)
}
}