64 lines
1.8 KiB
Rust
64 lines
1.8 KiB
Rust
use std::borrow::Cow;
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use anyhow::Context;
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use gpui::{App, AssetSource, Result, SharedString};
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use rust_embed::RustEmbed;
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/// Native implementation using `rust-embed`: assets are embedded into the
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/// binary at compile time.
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#[derive(RustEmbed)]
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#[folder = "../../assets"]
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#[include = "fonts/**/*"]
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#[include = "brand/**/*"]
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#[include = "icons/**/*"]
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#[include = "themes/**/*"]
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#[exclude = "*.DS_Store"]
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pub struct Assets;
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impl Assets {
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/// Create a new Assets instance. The endpoint parameter is ignored for
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/// native builds.
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pub fn new(_endpoint: impl Into<SharedString>) -> Self {
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Self
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}
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}
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impl AssetSource for Assets {
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fn load(&self, path: &str) -> Result<Option<Cow<'static, [u8]>>> {
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Self::get(path)
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.map(|f| Some(f.data))
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.with_context(|| format!("loading asset at path {path:?}"))
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}
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fn list(&self, path: &str) -> Result<Vec<SharedString>> {
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Ok(Self::iter()
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.filter_map(|p| {
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if p.starts_with(path) {
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Some(p.into())
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} else {
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None
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}
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})
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.collect())
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}
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}
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impl Assets {
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/// Populate the [`TextSystem`] of the given [`AppContext`] with all `.ttf` fonts in the `fonts` directory.
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pub fn load_fonts(&self, cx: &App) -> anyhow::Result<()> {
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let font_paths = self.list("fonts")?;
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let mut embedded_fonts = Vec::new();
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for font_path in font_paths {
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if font_path.ends_with(".ttf") {
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let font_bytes = cx
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.asset_source()
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.load(&font_path)?
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.expect("Assets should never return None");
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embedded_fonts.push(font_bytes);
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}
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}
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cx.text_system().add_fonts(embedded_fonts)
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}
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}
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