Files
zap-stream-app/src/widgets/avatar.rs

69 lines
2.0 KiB
Rust

use crate::route::image_from_cache;
use crate::theme::NEUTRAL_800;
use egui::{vec2, Response, Rounding, Sense, Ui, Vec2, Widget};
use nostrdb::{Ndb, NdbProfile, Transaction};
use notedeck::ImageCache;
pub struct Avatar {
image: Option<String>,
size: Option<f32>,
}
impl Avatar {
pub fn new_optional(img: Option<&str>) -> Self {
Self {
image: img.map(String::from),
size: None,
}
}
pub fn pubkey(pk: &[u8; 32], ndb: &Ndb, tx: &Transaction) -> Self {
let picture = ndb
.get_profile_by_pubkey(tx, pk)
.map(|p| p.record().profile().map(|p| p.picture()).unwrap_or(None))
.unwrap_or(None);
Self {
image: picture.map(|s| s.to_string()),
size: None,
}
}
pub fn from_profile(p: &Option<NdbProfile<'_>>) -> Self {
let img = p.map(|f| f.picture()).unwrap_or(None);
Self {
image: img.map(String::from),
size: None,
}
}
pub fn size(mut self, size: f32) -> Self {
self.size = Some(size);
self
}
fn placeholder(ui: &mut Ui, size: f32) -> Response {
let (response, painter) = ui.allocate_painter(vec2(size, size), Sense::click());
let pos = response.rect.min + vec2(size / 2., size / 2.);
painter.circle_filled(pos, size / 2., NEUTRAL_800);
response
}
pub fn render(self, ui: &mut Ui, img_cache: &mut ImageCache) -> Response {
let size_v = self.size.unwrap_or(40.);
let size = Vec2::new(size_v, size_v);
if !ui.is_rect_visible(ui.cursor()) {
return Self::placeholder(ui, size_v);
}
match self
.image
.and_then(|i| image_from_cache(img_cache, ui, &i, Some(size)))
{
Some(img) => img
.rounding(Rounding::same(size_v))
.sense(Sense::click())
.ui(ui),
None => Self::placeholder(ui, size_v),
}
}
}