Files
notedeck/src/ui/note/contents.rs
2024-09-02 17:54:49 -07:00

274 lines
9.2 KiB
Rust

use crate::images::ImageType;
use crate::imgcache::ImageCache;
use crate::ui::note::NoteOptions;
use crate::ui::ProfilePic;
use crate::{colors, ui, Damus};
use egui::{Color32, Hyperlink, Image, RichText};
use nostrdb::{BlockType, Mention, Note, NoteKey, Transaction};
use tracing::warn;
pub struct NoteContents<'a> {
damus: &'a mut Damus,
txn: &'a Transaction,
note: &'a Note<'a>,
note_key: NoteKey,
options: NoteOptions,
}
impl<'a> NoteContents<'a> {
pub fn new(
damus: &'a mut Damus,
txn: &'a Transaction,
note: &'a Note,
note_key: NoteKey,
options: ui::note::NoteOptions,
) -> Self {
NoteContents {
damus,
txn,
note,
note_key,
options,
}
}
}
impl egui::Widget for NoteContents<'_> {
fn ui(self, ui: &mut egui::Ui) -> egui::Response {
render_note_contents(
ui,
self.damus,
self.txn,
self.note,
self.note_key,
self.options,
)
.response
}
}
/// Render an inline note preview with a border. These are used when
/// notes are references within a note
fn render_note_preview(
ui: &mut egui::Ui,
app: &mut Damus,
txn: &Transaction,
id: &[u8; 32],
_id_str: &str,
) -> egui::Response {
#[cfg(feature = "profiling")]
puffin::profile_function!();
let note = if let Ok(note) = app.ndb.get_note_by_id(txn, id) {
// TODO: support other preview kinds
if note.kind() == 1 {
note
} else {
return ui.colored_label(
Color32::RED,
format!("TODO: can't preview kind {}", note.kind()),
);
}
} else {
return ui.colored_label(Color32::RED, "TODO: COULD NOT LOAD");
/*
return ui
.horizontal(|ui| {
ui.spacing_mut().item_spacing.x = 0.0;
ui.colored_label(colors::PURPLE, "@");
ui.colored_label(colors::PURPLE, &id_str[4..16]);
})
.response;
*/
};
egui::Frame::none()
.fill(ui.visuals().noninteractive().weak_bg_fill)
.inner_margin(egui::Margin::same(8.0))
.outer_margin(egui::Margin::symmetric(0.0, 8.0))
.rounding(egui::Rounding::same(10.0))
.stroke(egui::Stroke::new(
1.0,
ui.visuals().noninteractive().bg_stroke.color,
))
.show(ui, |ui| {
ui::NoteView::new(app, &note)
.actionbar(false)
.small_pfp(true)
.wide(true)
.note_previews(false)
.show(ui);
})
.response
}
fn render_note_contents(
ui: &mut egui::Ui,
damus: &mut Damus,
txn: &Transaction,
note: &Note,
note_key: NoteKey,
options: NoteOptions,
) -> egui::InnerResponse<()> {
#[cfg(feature = "profiling")]
puffin::profile_function!();
let selectable = options.has_selectable_text();
let mut images: Vec<String> = vec![];
let mut inline_note: Option<(&[u8; 32], &str)> = None;
let resp = ui.horizontal_wrapped(|ui| {
let blocks = if let Ok(blocks) = damus.ndb.get_blocks_by_key(txn, note_key) {
blocks
} else {
warn!("missing note content blocks? '{}'", note.content());
ui.weak(note.content());
return;
};
ui.spacing_mut().item_spacing.x = 0.0;
for block in blocks.iter(note) {
match block.blocktype() {
BlockType::MentionBech32 => match block.as_mention().unwrap() {
Mention::Profile(profile) => {
ui.add(ui::Mention::new(damus, txn, profile.pubkey()));
}
Mention::Pubkey(npub) => {
ui.add(ui::Mention::new(damus, txn, npub.pubkey()));
}
Mention::Note(note) if options.has_note_previews() => {
inline_note = Some((note.id(), block.as_str()));
}
Mention::Event(note) if options.has_note_previews() => {
inline_note = Some((note.id(), block.as_str()));
}
_ => {
ui.colored_label(colors::PURPLE, format!("@{}", &block.as_str()[4..16]));
}
},
BlockType::Hashtag => {
#[cfg(feature = "profiling")]
puffin::profile_scope!("hashtag contents");
ui.colored_label(colors::PURPLE, format!("#{}", block.as_str()));
}
BlockType::Url => {
let lower_url = block.as_str().to_lowercase();
if lower_url.ends_with("png") || lower_url.ends_with("jpg") {
images.push(block.as_str().to_string());
} else {
#[cfg(feature = "profiling")]
puffin::profile_scope!("url contents");
ui.add(Hyperlink::from_label_and_url(
RichText::new(block.as_str()).color(colors::PURPLE),
block.as_str(),
));
}
}
BlockType::Text => {
#[cfg(feature = "profiling")]
puffin::profile_scope!("text contents");
ui.add(egui::Label::new(block.as_str()).selectable(selectable));
}
_ => {
ui.colored_label(colors::PURPLE, block.as_str());
}
}
}
});
if let Some((id, block_str)) = inline_note {
render_note_preview(ui, damus, txn, id, block_str);
}
if !images.is_empty() && !damus.textmode {
ui.add_space(2.0);
let carousel_id = egui::Id::new(("carousel", note.key().expect("expected tx note")));
image_carousel(ui, &mut damus.img_cache, images, carousel_id);
ui.add_space(2.0);
}
resp
}
fn image_carousel(
ui: &mut egui::Ui,
img_cache: &mut ImageCache,
images: Vec<String>,
carousel_id: egui::Id,
) {
// let's make sure everything is within our area
let height = 360.0;
let width = ui.available_size().x;
let spinsz = if height > width { width } else { height };
ui.add_sized([width, height], |ui: &mut egui::Ui| {
egui::ScrollArea::horizontal()
.id_source(carousel_id)
.show(ui, |ui| {
ui.horizontal(|ui| {
for image in images {
// If the cache is empty, initiate the fetch
let m_cached_promise = img_cache.map().get(&image);
if m_cached_promise.is_none() {
let res = crate::images::fetch_img(
img_cache,
ui.ctx(),
&image,
ImageType::Content(width.round() as u32, height.round() as u32),
);
img_cache.map_mut().insert(image.to_owned(), res);
}
// What is the state of the fetch?
match img_cache.map()[&image].ready() {
// Still waiting
None => {
ui.add(egui::Spinner::new().size(spinsz));
}
// Failed to fetch image!
Some(Err(_err)) => {
// FIXME - use content-specific error instead
let no_pfp = crate::images::fetch_img(
img_cache,
ui.ctx(),
ProfilePic::no_pfp_url(),
ImageType::Profile(128),
);
img_cache.map_mut().insert(image.to_owned(), no_pfp);
// spin until next pass
ui.add(egui::Spinner::new().size(spinsz));
}
// Use the previously resolved image
Some(Ok(img)) => {
let img_resp = ui.add(
Image::new(img)
.max_height(height)
.rounding(5.0)
.fit_to_original_size(1.0),
);
img_resp.context_menu(|ui| {
if ui.button("Copy Link").clicked() {
ui.ctx().copy_text(image);
ui.close_menu();
}
});
}
}
}
})
.response
})
.inner
});
}