Merge branch 'render-images'

Antonio Scandurra created

Change summary

Cargo.lock                                  |  86 ++++++
gpui/Cargo.toml                             |   1 
gpui/src/app.rs                             |  10 
gpui/src/color.rs                           |   4 
gpui/src/elements.rs                        |  39 +-
gpui/src/elements/container.rs              |  12 
gpui/src/elements/image.rs                  |  90 +++++++
gpui/src/elements/svg.rs                    |  21 -
gpui/src/image_data.rs                      |  43 +++
gpui/src/lib.rs                             |   2 
gpui/src/platform.rs                        |   1 
gpui/src/platform/mac.rs                    |   1 
gpui/src/platform/mac/atlas.rs              |  84 +++++
gpui/src/platform/mac/image_cache.rs        |  49 +++
gpui/src/platform/mac/platform.rs           |  20 +
gpui/src/platform/mac/renderer.rs           | 158 ++++++++++-
gpui/src/platform/mac/shaders/shaders.h     |  57 +++
gpui/src/platform/mac/shaders/shaders.metal | 117 ++++++--
gpui/src/platform/mac/sprite_cache.rs       | 101 +------
gpui/src/platform/test.rs                   |   4 
gpui/src/scene.rs                           |  24 +
gpui/src/views/select.rs                    |   4 
server/src/auth.rs                          |   6 
server/src/rpc.rs                           | 101 ++++---
zed/Cargo.toml                              |   3 
zed/assets/icons/offline-14.svg             |   1 
zed/assets/icons/signed-out-12.svg          |   1 
zed/assets/themes/_base.toml                |  11 
zed/src/channel.rs                          |  12 
zed/src/chat_panel.rs                       |  16 
zed/src/file_finder.rs                      |   8 
zed/src/http.rs                             |  26 ++
zed/src/lib.rs                              |   2 
zed/src/main.rs                             |   8 
zed/src/rpc.rs                              | 292 +++++++++++++++-------
zed/src/test.rs                             | 131 +++++++--
zed/src/theme.rs                            |  23 +
zed/src/theme_selector.rs                   |   8 
zed/src/user.rs                             | 132 ++++++++-
zed/src/workspace.rs                        | 124 ++++++++-
zed/src/workspace/pane.rs                   |  17 +
zed/src/workspace/sidebar.rs                |  66 ++--
zrpc/src/conn.rs                            |   4 
zrpc/src/lib.rs                             |   2 
zrpc/src/peer.rs                            |  40 +-
45 files changed, 1,448 insertions(+), 514 deletions(-)

Detailed changes

Cargo.lock 🔗

@@ -344,6 +344,17 @@ dependencies = [
  "winapi 0.3.9",
 ]
 
+[[package]]
+name = "async-recursion"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d7d78656ba01f1b93024b7c3a0467f1608e4be67d725749fdcd7d2c7678fd7a2"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "async-rustls"
 version = "0.1.2"
@@ -814,7 +825,7 @@ dependencies = [
  "error-chain",
  "glob 0.2.11",
  "icns",
- "image",
+ "image 0.12.4",
  "libflate",
  "md5",
  "msi",
@@ -2102,6 +2113,16 @@ dependencies = [
  "lzw",
 ]
 
+[[package]]
+name = "gif"
+version = "0.11.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5a668f699973d0f573d15749b7002a9ac9e1f9c6b220e7b165601334c173d8de"
+dependencies = [
+ "color_quant",
+ "weezl",
+]
+
 [[package]]
 name = "gimli"
 version = "0.23.0"
@@ -2167,6 +2188,7 @@ dependencies = [
  "font-kit",
  "foreign-types",
  "gpui_macros",
+ "image 0.23.14",
  "lazy_static",
  "log",
  "metal",
@@ -2462,15 +2484,34 @@ checksum = "d95816db758249fe16f23a4e23f1a3a817fe11892dbfd1c5836f625324702158"
 dependencies = [
  "byteorder",
  "enum_primitive",
- "gif",
+ "gif 0.9.2",
  "jpeg-decoder",
  "num-iter",
- "num-rational",
+ "num-rational 0.1.42",
  "num-traits 0.1.43",
  "png 0.6.2",
  "scoped_threadpool",
 ]
 
+[[package]]
+name = "image"
+version = "0.23.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "24ffcb7e7244a9bf19d35bf2883b9c080c4ced3c07a9895572178cdb8f13f6a1"
+dependencies = [
+ "bytemuck",
+ "byteorder",
+ "color_quant",
+ "gif 0.11.2",
+ "jpeg-decoder",
+ "num-iter",
+ "num-rational 0.3.2",
+ "num-traits 0.2.14",
+ "png 0.16.8",
+ "scoped_threadpool",
+ "tiff",
+]
+
 [[package]]
 name = "indexmap"
 version = "1.6.2"
@@ -3014,6 +3055,17 @@ dependencies = [
  "num-traits 0.2.14",
 ]
 
+[[package]]
+name = "num-rational"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "12ac428b1cb17fce6f731001d307d351ec70a6d202fc2e60f7d4c5e42d8f4f07"
+dependencies = [
+ "autocfg 1.0.1",
+ "num-integer",
+ "num-traits 0.2.14",
+]
+
 [[package]]
 name = "num-traits"
 version = "0.1.43"
@@ -5067,18 +5119,18 @@ dependencies = [
 
 [[package]]
 name = "thiserror"
-version = "1.0.24"
+version = "1.0.29"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e0f4a65597094d4483ddaed134f409b2cb7c1beccf25201a9f73c719254fa98e"
+checksum = "602eca064b2d83369e2b2f34b09c70b605402801927c65c11071ac911d299b88"
 dependencies = [
  "thiserror-impl",
 ]
 
 [[package]]
 name = "thiserror-impl"
-version = "1.0.24"
+version = "1.0.29"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7765189610d8241a44529806d6fd1f2e0a08734313a35d5b3a556f92b381f3c0"
+checksum = "bad553cc2c78e8de258400763a647e80e6d1b31ee237275d756f6836d204494c"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -5129,6 +5181,17 @@ dependencies = [
  "tide",
 ]
 
+[[package]]
+name = "tiff"
+version = "0.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9a53f4706d65497df0c4349241deddf35f84cee19c87ed86ea8ca590f4464437"
+dependencies = [
+ "jpeg-decoder",
+ "miniz_oxide 0.4.4",
+ "weezl",
+]
+
 [[package]]
 name = "time"
 version = "0.1.44"
@@ -5694,6 +5757,12 @@ dependencies = [
  "webpki",
 ]
 
+[[package]]
+name = "weezl"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d8b77fdfd5a253be4ab714e4ffa3c49caf146b4de743e97510c0656cf90f1e8e"
+
 [[package]]
 name = "wepoll-sys"
 version = "3.0.1"
@@ -5823,6 +5892,7 @@ version = "0.1.0"
 dependencies = [
  "anyhow",
  "arrayvec 0.7.1",
+ "async-recursion",
  "async-trait",
  "async-tungstenite",
  "cargo-bundle",
@@ -5836,6 +5906,7 @@ dependencies = [
  "gpui",
  "http-auth-basic",
  "ignore",
+ "image 0.23.14",
  "lazy_static",
  "libc",
  "log",
@@ -5855,6 +5926,7 @@ dependencies = [
  "smol",
  "surf",
  "tempdir",
+ "thiserror",
  "time 0.3.2",
  "tiny_http",
  "toml 0.5.8",

gpui/Cargo.toml 🔗

@@ -11,6 +11,7 @@ backtrace = "0.3"
 ctor = "0.1"
 etagere = "0.2"
 gpui_macros = { path = "../gpui_macros" }
+image = "0.23"
 lazy_static = "1.4.0"
 log = "0.4"
 num_cpus = "1.13"

gpui/src/app.rs 🔗

@@ -2282,6 +2282,16 @@ impl<'a, T: View> ViewContext<'a, T> {
         let handle = self.handle();
         self.app.spawn(|cx| f(handle, cx))
     }
+
+    pub fn spawn_weak<F, Fut, S>(&self, f: F) -> Task<S>
+    where
+        F: FnOnce(WeakViewHandle<T>, AsyncAppContext) -> Fut,
+        Fut: 'static + Future<Output = S>,
+        S: 'static,
+    {
+        let handle = self.handle().downgrade();
+        self.app.spawn(|cx| f(handle, cx))
+    }
 }
 
 pub struct RenderContext<'a, T: View> {

gpui/src/color.rs 🔗

@@ -29,6 +29,10 @@ impl Color {
         Self(ColorU::white())
     }
 
+    pub fn red() -> Self {
+        Self(ColorU::from_u32(0xff0000ff))
+    }
+
     pub fn new(r: u8, g: u8, b: u8, a: u8) -> Self {
         Self(ColorU::new(r, g, b, a))
     }

gpui/src/elements.rs 🔗

@@ -6,6 +6,7 @@ mod empty;
 mod event_handler;
 mod flex;
 mod hook;
+mod image;
 mod label;
 mod line_box;
 mod list;
@@ -16,27 +17,17 @@ mod svg;
 mod text;
 mod uniform_list;
 
+pub use self::{
+    align::*, canvas::*, constrained_box::*, container::*, empty::*, event_handler::*, flex::*,
+    hook::*, image::*, label::*, line_box::*, list::*, mouse_event_handler::*, overlay::*,
+    stack::*, svg::*, text::*, uniform_list::*,
+};
 pub use crate::presenter::ChildView;
-pub use align::*;
-pub use canvas::*;
-pub use constrained_box::*;
-pub use container::*;
-pub use empty::*;
-pub use event_handler::*;
-pub use flex::*;
-pub use hook::*;
-pub use label::*;
-pub use line_box::*;
-pub use list::*;
-pub use mouse_event_handler::*;
-pub use overlay::*;
-pub use stack::*;
-pub use svg::*;
-pub use text::*;
-pub use uniform_list::*;
-
 use crate::{
-    geometry::{rect::RectF, vector::Vector2F},
+    geometry::{
+        rect::RectF,
+        vector::{vec2f, Vector2F},
+    },
     json, DebugContext, Event, EventContext, LayoutContext, PaintContext, SizeConstraint,
 };
 use core::panic;
@@ -371,3 +362,13 @@ pub trait ParentElement<'a>: Extend<ElementBox> + Sized {
 }
 
 impl<'a, T> ParentElement<'a> for T where T: Extend<ElementBox> {}
+
+fn constrain_size_preserving_aspect_ratio(max_size: Vector2F, size: Vector2F) -> Vector2F {
+    if max_size.x().is_infinite() && max_size.y().is_infinite() {
+        size
+    } else if max_size.x().is_infinite() || max_size.x() / max_size.y() > size.x() / size.y() {
+        vec2f(size.x() * max_size.y() / size.y(), max_size.y())
+    } else {
+        vec2f(max_size.x(), size.y() * max_size.x() / size.x())
+    }
+}

gpui/src/elements/container.rs 🔗

@@ -13,7 +13,7 @@ use crate::{
     Element, ElementBox, Event, EventContext, LayoutContext, PaintContext, SizeConstraint,
 };
 
-#[derive(Clone, Debug, Default, Deserialize)]
+#[derive(Clone, Copy, Debug, Default, Deserialize)]
 pub struct ContainerStyle {
     #[serde(default)]
     pub margin: Margin,
@@ -42,8 +42,8 @@ impl Container {
         }
     }
 
-    pub fn with_style(mut self, style: &ContainerStyle) -> Self {
-        self.style = style.clone();
+    pub fn with_style(mut self, style: ContainerStyle) -> Self {
+        self.style = style;
         self
     }
 
@@ -242,7 +242,7 @@ impl ToJson for ContainerStyle {
     }
 }
 
-#[derive(Clone, Debug, Default)]
+#[derive(Clone, Copy, Debug, Default)]
 pub struct Margin {
     pub top: f32,
     pub left: f32,
@@ -269,7 +269,7 @@ impl ToJson for Margin {
     }
 }
 
-#[derive(Clone, Debug, Default)]
+#[derive(Clone, Copy, Debug, Default)]
 pub struct Padding {
     pub top: f32,
     pub left: f32,
@@ -367,7 +367,7 @@ impl ToJson for Padding {
     }
 }
 
-#[derive(Clone, Debug, Default, Deserialize)]
+#[derive(Clone, Copy, Debug, Default, Deserialize)]
 pub struct Shadow {
     #[serde(default, deserialize_with = "deserialize_vec2f")]
     offset: Vector2F,

gpui/src/elements/image.rs 🔗

@@ -0,0 +1,90 @@
+use super::constrain_size_preserving_aspect_ratio;
+use crate::{
+    geometry::{rect::RectF, vector::Vector2F},
+    json::{json, ToJson},
+    scene, Border, DebugContext, Element, Event, EventContext, ImageData, LayoutContext,
+    PaintContext, SizeConstraint,
+};
+use serde::Deserialize;
+use std::sync::Arc;
+
+pub struct Image {
+    data: Arc<ImageData>,
+    style: ImageStyle,
+}
+
+#[derive(Copy, Clone, Default, Deserialize)]
+pub struct ImageStyle {
+    #[serde(default)]
+    border: Border,
+    #[serde(default)]
+    corner_radius: f32,
+}
+
+impl Image {
+    pub fn new(data: Arc<ImageData>) -> Self {
+        Self {
+            data,
+            style: Default::default(),
+        }
+    }
+
+    pub fn with_style(mut self, style: ImageStyle) -> Self {
+        self.style = style;
+        self
+    }
+}
+
+impl Element for Image {
+    type LayoutState = ();
+    type PaintState = ();
+
+    fn layout(
+        &mut self,
+        constraint: SizeConstraint,
+        _: &mut LayoutContext,
+    ) -> (Vector2F, Self::LayoutState) {
+        let size =
+            constrain_size_preserving_aspect_ratio(constraint.max, self.data.size().to_f32());
+        (size, ())
+    }
+
+    fn paint(
+        &mut self,
+        bounds: RectF,
+        _: RectF,
+        _: &mut Self::LayoutState,
+        cx: &mut PaintContext,
+    ) -> Self::PaintState {
+        cx.scene.push_image(scene::Image {
+            bounds,
+            border: self.style.border,
+            corner_radius: self.style.corner_radius,
+            data: self.data.clone(),
+        });
+    }
+
+    fn dispatch_event(
+        &mut self,
+        _: &Event,
+        _: RectF,
+        _: &mut Self::LayoutState,
+        _: &mut Self::PaintState,
+        _: &mut EventContext,
+    ) -> bool {
+        false
+    }
+
+    fn debug(
+        &self,
+        bounds: RectF,
+        _: &Self::LayoutState,
+        _: &Self::PaintState,
+        _: &DebugContext,
+    ) -> serde_json::Value {
+        json!({
+            "type": "Image",
+            "bounds": bounds.to_json(),
+        })
+    }
+}

gpui/src/elements/svg.rs 🔗

@@ -41,21 +41,10 @@ impl Element for Svg {
     ) -> (Vector2F, Self::LayoutState) {
         match cx.asset_cache.svg(&self.path) {
             Ok(tree) => {
-                let size = if constraint.max.x().is_infinite() && constraint.max.y().is_infinite() {
-                    let rect = from_usvg_rect(tree.svg_node().view_box.rect);
-                    rect.size()
-                } else {
-                    let max_size = constraint.max;
-                    let svg_size = from_usvg_rect(tree.svg_node().view_box.rect).size();
-
-                    if max_size.x().is_infinite()
-                        || max_size.x() / max_size.y() > svg_size.x() / svg_size.y()
-                    {
-                        vec2f(svg_size.x() * max_size.y() / svg_size.y(), max_size.y())
-                    } else {
-                        vec2f(max_size.x(), svg_size.y() * max_size.x() / svg_size.x())
-                    }
-                };
+                let size = constrain_size_preserving_aspect_ratio(
+                    constraint.max,
+                    from_usvg_rect(tree.svg_node().view_box.rect).size(),
+                );
                 (size, Some(tree))
             }
             Err(error) => {
@@ -111,6 +100,8 @@ impl Element for Svg {
 
 use crate::json::ToJson;
 
+use super::constrain_size_preserving_aspect_ratio;
+
 fn from_usvg_rect(rect: usvg::Rect) -> RectF {
     RectF::new(
         vec2f(rect.x() as f32, rect.y() as f32),

gpui/src/image_data.rs 🔗

@@ -0,0 +1,43 @@
+use crate::geometry::vector::{vec2i, Vector2I};
+use image::{Bgra, ImageBuffer};
+use std::{
+    fmt,
+    sync::{
+        atomic::{AtomicUsize, Ordering::SeqCst},
+        Arc,
+    },
+};
+
+pub struct ImageData {
+    pub id: usize,
+    data: ImageBuffer<Bgra<u8>, Vec<u8>>,
+}
+
+impl ImageData {
+    pub fn new(data: ImageBuffer<Bgra<u8>, Vec<u8>>) -> Arc<Self> {
+        static NEXT_ID: AtomicUsize = AtomicUsize::new(0);
+
+        Arc::new(Self {
+            id: NEXT_ID.fetch_add(1, SeqCst),
+            data,
+        })
+    }
+
+    pub fn as_bytes(&self) -> &[u8] {
+        &self.data
+    }
+
+    pub fn size(&self) -> Vector2I {
+        let (width, height) = self.data.dimensions();
+        vec2i(width as i32, height as i32)
+    }
+}
+
+impl fmt::Debug for ImageData {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        f.debug_struct("ImageData")
+            .field("id", &self.id)
+            .field("size", &self.data.dimensions())
+            .finish()
+    }
+}

gpui/src/lib.rs 🔗

@@ -7,6 +7,8 @@ mod test;
 pub use assets::*;
 pub mod elements;
 pub mod font_cache;
+mod image_data;
+pub use crate::image_data::ImageData;
 pub mod views;
 pub use font_cache::FontCache;
 mod clipboard;

gpui/src/platform.rs 🔗

@@ -48,6 +48,7 @@ pub trait Platform: Send + Sync {
 
     fn write_credentials(&self, url: &str, username: &str, password: &[u8]) -> Result<()>;
     fn read_credentials(&self, url: &str) -> Result<Option<(String, Vec<u8>)>>;
+    fn delete_credentials(&self, url: &str) -> Result<()>;
 
     fn set_cursor_style(&self, style: CursorStyle);
 

gpui/src/platform/mac.rs 🔗

@@ -3,6 +3,7 @@ mod dispatcher;
 mod event;
 mod fonts;
 mod geometry;
+mod image_cache;
 mod platform;
 mod renderer;
 mod sprite_cache;

gpui/src/platform/mac/atlas.rs 🔗

@@ -1,4 +1,7 @@
-use crate::geometry::vector::{vec2i, Vector2I};
+use crate::geometry::{
+    rect::RectI,
+    vector::{vec2i, Vector2I},
+};
 use etagere::BucketedAtlasAllocator;
 use foreign_types::ForeignType;
 use metal::{self, Device, TextureDescriptor};
@@ -11,6 +14,12 @@ pub struct AtlasAllocator {
     free_atlases: Vec<Atlas>,
 }
 
+#[derive(Copy, Clone)]
+pub struct AllocId {
+    pub atlas_id: usize,
+    alloc_id: etagere::AllocId,
+}
+
 impl AtlasAllocator {
     pub fn new(device: Device, texture_descriptor: TextureDescriptor) -> Self {
         let mut me = Self {
@@ -31,20 +40,40 @@ impl AtlasAllocator {
         )
     }
 
-    pub fn allocate(&mut self, requested_size: Vector2I) -> anyhow::Result<(usize, Vector2I)> {
-        let origin = self
+    pub fn allocate(&mut self, requested_size: Vector2I) -> (AllocId, Vector2I) {
+        let (alloc_id, origin) = self
             .atlases
             .last_mut()
             .unwrap()
             .allocate(requested_size)
             .unwrap_or_else(|| {
                 let mut atlas = self.new_atlas(requested_size);
-                let origin = atlas.allocate(requested_size).unwrap();
+                let (id, origin) = atlas.allocate(requested_size).unwrap();
                 self.atlases.push(atlas);
-                origin
+                (id, origin)
             });
 
-        Ok((self.atlases.len() - 1, origin))
+        let id = AllocId {
+            atlas_id: self.atlases.len() - 1,
+            alloc_id,
+        };
+        (id, origin)
+    }
+
+    pub fn upload(&mut self, size: Vector2I, bytes: &[u8]) -> (AllocId, RectI) {
+        let (alloc_id, origin) = self.allocate(size);
+        let bounds = RectI::new(origin, size);
+        self.atlases[alloc_id.atlas_id].upload(bounds, bytes);
+        (alloc_id, bounds)
+    }
+
+    pub fn deallocate(&mut self, id: AllocId) {
+        if let Some(atlas) = self.atlases.get_mut(id.atlas_id) {
+            atlas.deallocate(id.alloc_id);
+            if atlas.is_empty() {
+                self.free_atlases.push(self.atlases.remove(id.atlas_id));
+            }
+        }
     }
 
     pub fn clear(&mut self) {
@@ -102,13 +131,44 @@ impl Atlas {
         vec2i(size.width, size.height)
     }
 
-    fn allocate(&mut self, size: Vector2I) -> Option<Vector2I> {
-        let origin = self
+    fn allocate(&mut self, size: Vector2I) -> Option<(etagere::AllocId, Vector2I)> {
+        let alloc = self
             .allocator
-            .allocate(etagere::Size::new(size.x(), size.y()))?
-            .rectangle
-            .min;
-        Some(vec2i(origin.x, origin.y))
+            .allocate(etagere::Size::new(size.x(), size.y()))?;
+        let origin = alloc.rectangle.min;
+        Some((alloc.id, vec2i(origin.x, origin.y)))
+    }
+
+    fn upload(&mut self, bounds: RectI, bytes: &[u8]) {
+        let region = metal::MTLRegion::new_2d(
+            bounds.origin().x() as u64,
+            bounds.origin().y() as u64,
+            bounds.size().x() as u64,
+            bounds.size().y() as u64,
+        );
+        self.texture.replace_region(
+            region,
+            0,
+            bytes.as_ptr() as *const _,
+            (bounds.size().x() * self.bytes_per_pixel() as i32) as u64,
+        );
+    }
+
+    fn bytes_per_pixel(&self) -> u8 {
+        use metal::MTLPixelFormat::*;
+        match self.texture.pixel_format() {
+            A8Unorm | R8Unorm => 1,
+            RGBA8Unorm | BGRA8Unorm => 4,
+            _ => unimplemented!(),
+        }
+    }
+
+    fn deallocate(&mut self, id: etagere::AllocId) {
+        self.allocator.deallocate(id);
+    }
+
+    fn is_empty(&self) -> bool {
+        self.allocator.is_empty()
     }
 
     fn clear(&mut self) {

gpui/src/platform/mac/image_cache.rs 🔗

@@ -0,0 +1,49 @@
+use metal::{MTLPixelFormat, TextureDescriptor, TextureRef};
+
+use super::atlas::{AllocId, AtlasAllocator};
+use crate::{
+    geometry::{rect::RectI, vector::Vector2I},
+    ImageData,
+};
+use std::{collections::HashMap, mem};
+
+pub struct ImageCache {
+    prev_frame: HashMap<usize, (AllocId, RectI)>,
+    curr_frame: HashMap<usize, (AllocId, RectI)>,
+    atlases: AtlasAllocator,
+}
+
+impl ImageCache {
+    pub fn new(device: metal::Device, size: Vector2I) -> Self {
+        let descriptor = TextureDescriptor::new();
+        descriptor.set_pixel_format(MTLPixelFormat::BGRA8Unorm);
+        descriptor.set_width(size.x() as u64);
+        descriptor.set_height(size.y() as u64);
+        Self {
+            prev_frame: Default::default(),
+            curr_frame: Default::default(),
+            atlases: AtlasAllocator::new(device, descriptor),
+        }
+    }
+
+    pub fn render(&mut self, image: &ImageData) -> (AllocId, RectI) {
+        let (alloc_id, atlas_bounds) = self
+            .prev_frame
+            .remove(&image.id)
+            .or_else(|| self.curr_frame.get(&image.id).copied())
+            .unwrap_or_else(|| self.atlases.upload(image.size(), image.as_bytes()));
+        self.curr_frame.insert(image.id, (alloc_id, atlas_bounds));
+        (alloc_id, atlas_bounds)
+    }
+
+    pub fn finish_frame(&mut self) {
+        mem::swap(&mut self.prev_frame, &mut self.curr_frame);
+        for (_, (id, _)) in self.curr_frame.drain() {
+            self.atlases.deallocate(id);
+        }
+    }
+
+    pub fn atlas_texture(&self, atlas_id: usize) -> Option<&TextureRef> {
+        self.atlases.texture(atlas_id)
+    }
+}

gpui/src/platform/mac/platform.rs 🔗

@@ -551,6 +551,25 @@ impl platform::Platform for MacPlatform {
         }
     }
 
+    fn delete_credentials(&self, url: &str) -> Result<()> {
+        let url = CFString::from(url);
+
+        unsafe {
+            use security::*;
+
+            let mut query_attrs = CFMutableDictionary::with_capacity(2);
+            query_attrs.set(kSecClass as *const _, kSecClassInternetPassword as *const _);
+            query_attrs.set(kSecAttrServer as *const _, url.as_CFTypeRef());
+
+            let status = SecItemDelete(query_attrs.as_concrete_TypeRef());
+
+            if status != errSecSuccess {
+                return Err(anyhow!("delete password failed: {}", status));
+            }
+        }
+        Ok(())
+    }
+
     fn set_cursor_style(&self, style: CursorStyle) {
         unsafe {
             let cursor: id = match style {
@@ -676,6 +695,7 @@ mod security {
 
         pub fn SecItemAdd(attributes: CFDictionaryRef, result: *mut CFTypeRef) -> OSStatus;
         pub fn SecItemUpdate(query: CFDictionaryRef, attributes: CFDictionaryRef) -> OSStatus;
+        pub fn SecItemDelete(query: CFDictionaryRef) -> OSStatus;
         pub fn SecItemCopyMatching(query: CFDictionaryRef, result: *mut CFTypeRef) -> OSStatus;
     }
 

gpui/src/platform/mac/renderer.rs 🔗

@@ -1,4 +1,4 @@
-use super::{atlas::AtlasAllocator, sprite_cache::SpriteCache};
+use super::{atlas::AtlasAllocator, image_cache::ImageCache, sprite_cache::SpriteCache};
 use crate::{
     color::Color,
     geometry::{
@@ -6,8 +6,7 @@ use crate::{
         vector::{vec2f, vec2i, Vector2F},
     },
     platform,
-    scene::{Glyph, Icon, Layer, Quad, Shadow},
-    Scene,
+    scene::{Glyph, Icon, Image, Layer, Quad, Scene, Shadow},
 };
 use cocoa::foundation::NSUInteger;
 use metal::{MTLPixelFormat, MTLResourceOptions, NSRange};
@@ -20,10 +19,12 @@ const INSTANCE_BUFFER_SIZE: usize = 1024 * 1024; // This is an arbitrary decisio
 
 pub struct Renderer {
     sprite_cache: SpriteCache,
+    image_cache: ImageCache,
     path_atlases: AtlasAllocator,
     quad_pipeline_state: metal::RenderPipelineState,
     shadow_pipeline_state: metal::RenderPipelineState,
     sprite_pipeline_state: metal::RenderPipelineState,
+    image_pipeline_state: metal::RenderPipelineState,
     path_atlas_pipeline_state: metal::RenderPipelineState,
     unit_vertices: metal::Buffer,
     instances: metal::Buffer,
@@ -64,7 +65,9 @@ impl Renderer {
         );
 
         let sprite_cache = SpriteCache::new(device.clone(), vec2i(1024, 768), fonts);
-        let path_atlases = build_path_atlas_allocator(MTLPixelFormat::R8Unorm, &device);
+        let image_cache = ImageCache::new(device.clone(), vec2i(1024, 768));
+        let path_atlases =
+            AtlasAllocator::new(device.clone(), build_path_atlas_texture_descriptor());
         let quad_pipeline_state = build_pipeline_state(
             &device,
             &library,
@@ -89,6 +92,14 @@ impl Renderer {
             "sprite_fragment",
             pixel_format,
         );
+        let image_pipeline_state = build_pipeline_state(
+            &device,
+            &library,
+            "image",
+            "image_vertex",
+            "image_fragment",
+            pixel_format,
+        );
         let path_atlas_pipeline_state = build_path_atlas_pipeline_state(
             &device,
             &library,
@@ -99,10 +110,12 @@ impl Renderer {
         );
         Self {
             sprite_cache,
+            image_cache,
             path_atlases,
             quad_pipeline_state,
             shadow_pipeline_state,
             sprite_pipeline_state,
+            image_pipeline_state,
             path_atlas_pipeline_state,
             unit_vertices,
             instances,
@@ -117,6 +130,7 @@ impl Renderer {
         output: &metal::TextureRef,
     ) {
         let mut offset = 0;
+
         let path_sprites = self.render_path_atlases(scene, &mut offset, command_buffer);
         self.render_layers(
             scene,
@@ -130,6 +144,7 @@ impl Renderer {
             location: 0,
             length: offset as NSUInteger,
         });
+        self.image_cache.finish_frame();
     }
 
     fn render_path_atlases(
@@ -146,11 +161,11 @@ impl Renderer {
             for path in layer.paths() {
                 let origin = path.bounds.origin() * scene.scale_factor();
                 let size = (path.bounds.size() * scene.scale_factor()).ceil();
-                let (atlas_id, atlas_origin) = self.path_atlases.allocate(size.to_i32()).unwrap();
+                let (alloc_id, atlas_origin) = self.path_atlases.allocate(size.to_i32());
                 let atlas_origin = atlas_origin.to_f32();
                 sprites.push(PathSprite {
                     layer_id,
-                    atlas_id,
+                    atlas_id: alloc_id.atlas_id,
                     shader_data: shaders::GPUISprite {
                         origin: origin.floor().to_float2(),
                         target_size: size.to_float2(),
@@ -162,7 +177,7 @@ impl Renderer {
                 });
 
                 if let Some(current_atlas_id) = current_atlas_id {
-                    if atlas_id != current_atlas_id {
+                    if alloc_id.atlas_id != current_atlas_id {
                         self.render_paths_to_atlas(
                             offset,
                             &vertices,
@@ -173,7 +188,7 @@ impl Renderer {
                     }
                 }
 
-                current_atlas_id = Some(atlas_id);
+                current_atlas_id = Some(alloc_id.atlas_id);
 
                 for vertex in &path.vertices {
                     let xy_position =
@@ -316,6 +331,13 @@ impl Renderer {
                 drawable_size,
                 command_encoder,
             );
+            self.render_images(
+                layer.images(),
+                scale_factor,
+                offset,
+                drawable_size,
+                command_encoder,
+            );
             self.render_quads(
                 layer.underlines(),
                 scale_factor,
@@ -559,11 +581,6 @@ impl Renderer {
             mem::size_of::<shaders::vector_float2>() as u64,
             [drawable_size.to_float2()].as_ptr() as *const c_void,
         );
-        command_encoder.set_vertex_bytes(
-            shaders::GPUISpriteVertexInputIndex_GPUISpriteVertexInputIndexAtlasSize as u64,
-            mem::size_of::<shaders::vector_float2>() as u64,
-            [self.sprite_cache.atlas_size().to_float2()].as_ptr() as *const c_void,
-        );
 
         for (atlas_id, sprites) in sprites_by_atlas {
             align_offset(offset);
@@ -573,13 +590,19 @@ impl Renderer {
                 "instance buffer exhausted"
             );
 
+            let texture = self.sprite_cache.atlas_texture(atlas_id).unwrap();
             command_encoder.set_vertex_buffer(
                 shaders::GPUISpriteVertexInputIndex_GPUISpriteVertexInputIndexSprites as u64,
                 Some(&self.instances),
                 *offset as u64,
             );
+            command_encoder.set_vertex_bytes(
+                shaders::GPUISpriteVertexInputIndex_GPUISpriteVertexInputIndexAtlasSize as u64,
+                mem::size_of::<shaders::vector_float2>() as u64,
+                [vec2i(texture.width() as i32, texture.height() as i32).to_float2()].as_ptr()
+                    as *const c_void,
+            );
 
-            let texture = self.sprite_cache.atlas_texture(atlas_id).unwrap();
             command_encoder.set_fragment_texture(
                 shaders::GPUISpriteFragmentInputIndex_GPUISpriteFragmentInputIndexAtlas as u64,
                 Some(texture),
@@ -602,6 +625,96 @@ impl Renderer {
         }
     }
 
+    fn render_images(
+        &mut self,
+        images: &[Image],
+        scale_factor: f32,
+        offset: &mut usize,
+        drawable_size: Vector2F,
+        command_encoder: &metal::RenderCommandEncoderRef,
+    ) {
+        if images.is_empty() {
+            return;
+        }
+
+        let mut images_by_atlas = HashMap::new();
+        for image in images {
+            let origin = image.bounds.origin() * scale_factor;
+            let target_size = image.bounds.size() * scale_factor;
+            let corner_radius = image.corner_radius * scale_factor;
+            let border_width = image.border.width * scale_factor;
+            let (alloc_id, atlas_bounds) = self.image_cache.render(&image.data);
+            images_by_atlas
+                .entry(alloc_id.atlas_id)
+                .or_insert_with(Vec::new)
+                .push(shaders::GPUIImage {
+                    origin: origin.to_float2(),
+                    target_size: target_size.to_float2(),
+                    source_size: atlas_bounds.size().to_float2(),
+                    atlas_origin: atlas_bounds.origin().to_float2(),
+                    border_top: border_width * (image.border.top as usize as f32),
+                    border_right: border_width * (image.border.right as usize as f32),
+                    border_bottom: border_width * (image.border.bottom as usize as f32),
+                    border_left: border_width * (image.border.left as usize as f32),
+                    border_color: image.border.color.to_uchar4(),
+                    corner_radius,
+                });
+        }
+
+        command_encoder.set_render_pipeline_state(&self.image_pipeline_state);
+        command_encoder.set_vertex_buffer(
+            shaders::GPUIImageVertexInputIndex_GPUIImageVertexInputIndexVertices as u64,
+            Some(&self.unit_vertices),
+            0,
+        );
+        command_encoder.set_vertex_bytes(
+            shaders::GPUIImageVertexInputIndex_GPUIImageVertexInputIndexViewportSize as u64,
+            mem::size_of::<shaders::vector_float2>() as u64,
+            [drawable_size.to_float2()].as_ptr() as *const c_void,
+        );
+
+        for (atlas_id, images) in images_by_atlas {
+            align_offset(offset);
+            let next_offset = *offset + images.len() * mem::size_of::<shaders::GPUIImage>();
+            assert!(
+                next_offset <= INSTANCE_BUFFER_SIZE,
+                "instance buffer exhausted"
+            );
+
+            let texture = self.image_cache.atlas_texture(atlas_id).unwrap();
+            command_encoder.set_vertex_buffer(
+                shaders::GPUIImageVertexInputIndex_GPUIImageVertexInputIndexImages as u64,
+                Some(&self.instances),
+                *offset as u64,
+            );
+            command_encoder.set_vertex_bytes(
+                shaders::GPUIImageVertexInputIndex_GPUIImageVertexInputIndexAtlasSize as u64,
+                mem::size_of::<shaders::vector_float2>() as u64,
+                [vec2i(texture.width() as i32, texture.height() as i32).to_float2()].as_ptr()
+                    as *const c_void,
+            );
+            command_encoder.set_fragment_texture(
+                shaders::GPUIImageFragmentInputIndex_GPUIImageFragmentInputIndexAtlas as u64,
+                Some(texture),
+            );
+
+            unsafe {
+                let buffer_contents = (self.instances.contents() as *mut u8)
+                    .offset(*offset as isize)
+                    as *mut shaders::GPUIImage;
+                std::ptr::copy_nonoverlapping(images.as_ptr(), buffer_contents, images.len());
+            }
+
+            command_encoder.draw_primitives_instanced(
+                metal::MTLPrimitiveType::Triangle,
+                0,
+                6,
+                images.len() as u64,
+            );
+            *offset = next_offset;
+        }
+    }
+
     fn render_path_sprites(
         &mut self,
         layer_id: usize,
@@ -708,19 +821,15 @@ impl Renderer {
     }
 }
 
-fn build_path_atlas_allocator(
-    pixel_format: MTLPixelFormat,
-    device: &metal::Device,
-) -> AtlasAllocator {
+fn build_path_atlas_texture_descriptor() -> metal::TextureDescriptor {
     let texture_descriptor = metal::TextureDescriptor::new();
     texture_descriptor.set_width(2048);
     texture_descriptor.set_height(2048);
-    texture_descriptor.set_pixel_format(pixel_format);
+    texture_descriptor.set_pixel_format(MTLPixelFormat::R8Unorm);
     texture_descriptor
         .set_usage(metal::MTLTextureUsage::RenderTarget | metal::MTLTextureUsage::ShaderRead);
     texture_descriptor.set_storage_mode(metal::MTLStorageMode::Private);
-    let path_atlases = AtlasAllocator::new(device.clone(), texture_descriptor);
-    path_atlases
+    texture_descriptor
 }
 
 fn align_offset(offset: &mut usize) {
@@ -803,9 +912,10 @@ mod shaders {
     #![allow(non_camel_case_types)]
     #![allow(non_snake_case)]
 
-    use pathfinder_geometry::vector::Vector2I;
-
-    use crate::{color::Color, geometry::vector::Vector2F};
+    use crate::{
+        color::Color,
+        geometry::vector::{Vector2F, Vector2I},
+    };
     use std::mem;
 
     include!(concat!(env!("OUT_DIR"), "/shaders.rs"));

gpui/src/platform/mac/shaders/shaders.h 🔗

@@ -1,16 +1,19 @@
 #include <simd/simd.h>
 
-typedef struct {
+typedef struct
+{
     vector_float2 viewport_size;
 } GPUIUniforms;
 
-typedef enum {
+typedef enum
+{
     GPUIQuadInputIndexVertices = 0,
     GPUIQuadInputIndexQuads = 1,
     GPUIQuadInputIndexUniforms = 2,
 } GPUIQuadInputIndex;
 
-typedef struct {
+typedef struct
+{
     vector_float2 origin;
     vector_float2 size;
     vector_uchar4 background_color;
@@ -22,13 +25,15 @@ typedef struct {
     float corner_radius;
 } GPUIQuad;
 
-typedef enum {
+typedef enum
+{
     GPUIShadowInputIndexVertices = 0,
     GPUIShadowInputIndexShadows = 1,
     GPUIShadowInputIndexUniforms = 2,
 } GPUIShadowInputIndex;
 
-typedef struct {
+typedef struct
+{
     vector_float2 origin;
     vector_float2 size;
     float corner_radius;
@@ -36,18 +41,21 @@ typedef struct {
     vector_uchar4 color;
 } GPUIShadow;
 
-typedef enum {
+typedef enum
+{
     GPUISpriteVertexInputIndexVertices = 0,
     GPUISpriteVertexInputIndexSprites = 1,
     GPUISpriteVertexInputIndexViewportSize = 2,
     GPUISpriteVertexInputIndexAtlasSize = 3,
 } GPUISpriteVertexInputIndex;
 
-typedef enum {
+typedef enum
+{
     GPUISpriteFragmentInputIndexAtlas = 0,
 } GPUISpriteFragmentInputIndex;
 
-typedef struct {
+typedef struct
+{
     vector_float2 origin;
     vector_float2 target_size;
     vector_float2 source_size;
@@ -56,14 +64,43 @@ typedef struct {
     uint8_t compute_winding;
 } GPUISprite;
 
-typedef enum {
+typedef enum
+{
     GPUIPathAtlasVertexInputIndexVertices = 0,
     GPUIPathAtlasVertexInputIndexAtlasSize = 1,
 } GPUIPathAtlasVertexInputIndex;
 
-typedef struct {
+typedef struct
+{
     vector_float2 xy_position;
     vector_float2 st_position;
     vector_float2 clip_rect_origin;
     vector_float2 clip_rect_size;
 } GPUIPathVertex;
+
+typedef enum
+{
+    GPUIImageVertexInputIndexVertices = 0,
+    GPUIImageVertexInputIndexImages = 1,
+    GPUIImageVertexInputIndexViewportSize = 2,
+    GPUIImageVertexInputIndexAtlasSize = 3,
+} GPUIImageVertexInputIndex;
+
+typedef enum
+{
+    GPUIImageFragmentInputIndexAtlas = 0,
+} GPUIImageFragmentInputIndex;
+
+typedef struct
+{
+    vector_float2 origin;
+    vector_float2 target_size;
+    vector_float2 source_size;
+    vector_float2 atlas_origin;
+    float border_top;
+    float border_right;
+    float border_bottom;
+    float border_left;
+    vector_uchar4 border_color;
+    float corner_radius;
+} GPUIImage;

gpui/src/platform/mac/shaders/shaders.metal 🔗

@@ -34,46 +34,19 @@ float blur_along_x(float x, float y, float sigma, float corner, float2 halfSize)
 
 struct QuadFragmentInput {
     float4 position [[position]];
-    vector_float2 origin;
-    vector_float2 size;
-    vector_uchar4 background_color;
+    float2 atlas_position; // only used in the image shader
+    float2 origin;
+    float2 size;
+    float4 background_color;
     float border_top;
     float border_right;
     float border_bottom;
     float border_left;
-    vector_uchar4 border_color;
+    float4 border_color;
     float corner_radius;
 };
 
-vertex QuadFragmentInput quad_vertex(
-    uint unit_vertex_id [[vertex_id]],
-    uint quad_id [[instance_id]],
-    constant float2 *unit_vertices [[buffer(GPUIQuadInputIndexVertices)]],
-    constant GPUIQuad *quads [[buffer(GPUIQuadInputIndexQuads)]],
-    constant GPUIUniforms *uniforms [[buffer(GPUIQuadInputIndexUniforms)]]
-) {
-    float2 unit_vertex = unit_vertices[unit_vertex_id];
-    GPUIQuad quad = quads[quad_id];
-    float2 position = unit_vertex * quad.size + quad.origin;
-    float4 device_position = to_device_position(position, uniforms->viewport_size);
-
-    return QuadFragmentInput {
-        device_position,
-        quad.origin,
-        quad.size,
-        quad.background_color,
-        quad.border_top,
-        quad.border_right,
-        quad.border_bottom,
-        quad.border_left,
-        quad.border_color,
-        quad.corner_radius,
-    };
-}
-
-fragment float4 quad_fragment(
-    QuadFragmentInput input [[stage_in]]
-) {
+float4 quad_sdf(QuadFragmentInput input) {
     float2 half_size = input.size / 2.;
     float2 center = input.origin + half_size;
     float2 center_to_point = input.position.xy - center;
@@ -95,12 +68,13 @@ fragment float4 quad_fragment(
 
     float4 color;
     if (border_width == 0.) {
-        color = coloru_to_colorf(input.background_color);
+        color = input.background_color;
     } else {
+        float4 border_color = float4(mix(float3(input.background_color), float3(input.border_color), input.border_color.a), 1.);
         float inset_distance = distance + border_width;
         color = mix(
-            coloru_to_colorf(input.border_color),
-            coloru_to_colorf(input.background_color),
+            border_color,
+            input.background_color,
             saturate(0.5 - inset_distance)
         );
     }
@@ -109,6 +83,39 @@ fragment float4 quad_fragment(
     return coverage * color;
 }
 
+vertex QuadFragmentInput quad_vertex(
+    uint unit_vertex_id [[vertex_id]],
+    uint quad_id [[instance_id]],
+    constant float2 *unit_vertices [[buffer(GPUIQuadInputIndexVertices)]],
+    constant GPUIQuad *quads [[buffer(GPUIQuadInputIndexQuads)]],
+    constant GPUIUniforms *uniforms [[buffer(GPUIQuadInputIndexUniforms)]]
+) {
+    float2 unit_vertex = unit_vertices[unit_vertex_id];
+    GPUIQuad quad = quads[quad_id];
+    float2 position = unit_vertex * quad.size + quad.origin;
+    float4 device_position = to_device_position(position, uniforms->viewport_size);
+
+    return QuadFragmentInput {
+        device_position,
+        float2(0., 0.),
+        quad.origin,
+        quad.size,
+        coloru_to_colorf(quad.background_color),
+        quad.border_top,
+        quad.border_right,
+        quad.border_bottom,
+        quad.border_left,
+        coloru_to_colorf(quad.border_color),
+        quad.corner_radius,
+    };
+}
+
+fragment float4 quad_fragment(
+    QuadFragmentInput input [[stage_in]]
+) {
+    return quad_sdf(input);
+}
+
 struct ShadowFragmentInput {
     float4 position [[position]];
     vector_float2 origin;
@@ -217,6 +224,44 @@ fragment float4 sprite_fragment(
     return color;
 }
 
+vertex QuadFragmentInput image_vertex(
+    uint unit_vertex_id [[vertex_id]],
+    uint image_id [[instance_id]],
+    constant float2 *unit_vertices [[buffer(GPUIImageVertexInputIndexVertices)]],
+    constant GPUIImage *images [[buffer(GPUIImageVertexInputIndexImages)]],
+    constant float2 *viewport_size [[buffer(GPUIImageVertexInputIndexViewportSize)]],
+    constant float2 *atlas_size [[buffer(GPUIImageVertexInputIndexAtlasSize)]]
+) {
+    float2 unit_vertex = unit_vertices[unit_vertex_id];
+    GPUIImage image = images[image_id];
+    float2 position = unit_vertex * image.target_size + image.origin;
+    float4 device_position = to_device_position(position, *viewport_size);
+    float2 atlas_position = (unit_vertex * image.source_size + image.atlas_origin) / *atlas_size;
+
+    return QuadFragmentInput {
+        device_position,
+        atlas_position,
+        image.origin,
+        image.target_size,
+        float4(0.),
+        image.border_top,
+        image.border_right,
+        image.border_bottom,
+        image.border_left,
+        coloru_to_colorf(image.border_color),
+        image.corner_radius,
+    };
+}
+
+fragment float4 image_fragment(
+    QuadFragmentInput input [[stage_in]],
+    texture2d<float> atlas [[ texture(GPUIImageFragmentInputIndexAtlas) ]]
+) {
+    constexpr sampler atlas_sampler(mag_filter::linear, min_filter::linear);
+    input.background_color = atlas.sample(atlas_sampler, input.atlas_position);
+    return quad_sdf(input);
+}
+
 struct PathAtlasVertexOutput {
     float4 position [[position]];
     float2 st_position;

gpui/src/platform/mac/sprite_cache.rs 🔗

@@ -1,12 +1,9 @@
+use super::atlas::AtlasAllocator;
 use crate::{
     fonts::{FontId, GlyphId},
-    geometry::{
-        rect::RectI,
-        vector::{vec2f, vec2i, Vector2F, Vector2I},
-    },
+    geometry::vector::{vec2f, Vector2F, Vector2I},
     platform,
 };
-use etagere::BucketedAtlasAllocator;
 use metal::{MTLPixelFormat, TextureDescriptor};
 use ordered_float::OrderedFloat;
 use std::{borrow::Cow, collections::HashMap, sync::Arc};
@@ -42,10 +39,8 @@ pub struct IconSprite {
 }
 
 pub struct SpriteCache {
-    device: metal::Device,
-    atlas_size: Vector2I,
     fonts: Arc<dyn platform::FontSystem>,
-    atlases: Vec<Atlas>,
+    atlases: AtlasAllocator,
     glyphs: HashMap<GlyphDescriptor, Option<GlyphSprite>>,
     icons: HashMap<IconDescriptor, IconSprite>,
 }
@@ -56,21 +51,18 @@ impl SpriteCache {
         size: Vector2I,
         fonts: Arc<dyn platform::FontSystem>,
     ) -> Self {
-        let atlases = vec![Atlas::new(&device, size)];
+        let descriptor = TextureDescriptor::new();
+        descriptor.set_pixel_format(MTLPixelFormat::A8Unorm);
+        descriptor.set_width(size.x() as u64);
+        descriptor.set_height(size.y() as u64);
         Self {
-            device,
-            atlas_size: size,
             fonts,
-            atlases,
+            atlases: AtlasAllocator::new(device, descriptor),
             glyphs: Default::default(),
             icons: Default::default(),
         }
     }
 
-    pub fn atlas_size(&self) -> Vector2I {
-        self.atlas_size
-    }
-
     pub fn render_glyph(
         &mut self,
         font_id: FontId,
@@ -84,8 +76,6 @@ impl SpriteCache {
         let target_position = target_position * scale_factor;
         let fonts = &self.fonts;
         let atlases = &mut self.atlases;
-        let atlas_size = self.atlas_size;
-        let device = &self.device;
         let subpixel_variant = (
             (target_position.x().fract() * SUBPIXEL_VARIANTS as f32).round() as u8
                 % SUBPIXEL_VARIANTS,
@@ -111,22 +101,10 @@ impl SpriteCache {
                     subpixel_shift,
                     scale_factor,
                 )?;
-                assert!(glyph_bounds.width() < atlas_size.x());
-                assert!(glyph_bounds.height() < atlas_size.y());
-
-                let atlas_bounds = atlases
-                    .last_mut()
-                    .unwrap()
-                    .try_insert(glyph_bounds.size(), &mask)
-                    .unwrap_or_else(|| {
-                        let mut atlas = Atlas::new(device, atlas_size);
-                        let bounds = atlas.try_insert(glyph_bounds.size(), &mask).unwrap();
-                        atlases.push(atlas);
-                        bounds
-                    });
 
+                let (alloc_id, atlas_bounds) = atlases.upload(glyph_bounds.size(), &mask);
                 Some(GlyphSprite {
-                    atlas_id: atlases.len() - 1,
+                    atlas_id: alloc_id.atlas_id,
                     atlas_origin: atlas_bounds.origin(),
                     offset: glyph_bounds.origin(),
                     size: glyph_bounds.size(),
@@ -142,10 +120,6 @@ impl SpriteCache {
         svg: usvg::Tree,
     ) -> IconSprite {
         let atlases = &mut self.atlases;
-        let atlas_size = self.atlas_size;
-        let device = &self.device;
-        assert!(size.x() < atlas_size.x());
-        assert!(size.y() < atlas_size.y());
         self.icons
             .entry(IconDescriptor {
                 path,
@@ -161,19 +135,9 @@ impl SpriteCache {
                     .map(|a| a.alpha())
                     .collect::<Vec<_>>();
 
-                let atlas_bounds = atlases
-                    .last_mut()
-                    .unwrap()
-                    .try_insert(size, &mask)
-                    .unwrap_or_else(|| {
-                        let mut atlas = Atlas::new(device, atlas_size);
-                        let bounds = atlas.try_insert(size, &mask).unwrap();
-                        atlases.push(atlas);
-                        bounds
-                    });
-
+                let (alloc_id, atlas_bounds) = atlases.upload(size, &mask);
                 IconSprite {
-                    atlas_id: atlases.len() - 1,
+                    atlas_id: alloc_id.atlas_id,
                     atlas_origin: atlas_bounds.origin(),
                     size,
                 }
@@ -182,45 +146,6 @@ impl SpriteCache {
     }
 
     pub fn atlas_texture(&self, atlas_id: usize) -> Option<&metal::TextureRef> {
-        self.atlases.get(atlas_id).map(|a| a.texture.as_ref())
-    }
-}
-
-struct Atlas {
-    allocator: BucketedAtlasAllocator,
-    texture: metal::Texture,
-}
-
-impl Atlas {
-    fn new(device: &metal::DeviceRef, size: Vector2I) -> Self {
-        let descriptor = TextureDescriptor::new();
-        descriptor.set_pixel_format(MTLPixelFormat::A8Unorm);
-        descriptor.set_width(size.x() as u64);
-        descriptor.set_height(size.y() as u64);
-
-        Self {
-            allocator: BucketedAtlasAllocator::new(etagere::Size::new(size.x(), size.y())),
-            texture: device.new_texture(&descriptor),
-        }
-    }
-
-    fn try_insert(&mut self, size: Vector2I, mask: &[u8]) -> Option<RectI> {
-        let allocation = self
-            .allocator
-            .allocate(etagere::size2(size.x() + 1, size.y() + 1))?;
-
-        let bounds = allocation.rectangle;
-        let region = metal::MTLRegion::new_2d(
-            bounds.min.x as u64,
-            bounds.min.y as u64,
-            size.x() as u64,
-            size.y() as u64,
-        );
-        self.texture
-            .replace_region(region, 0, mask.as_ptr() as *const _, size.x() as u64);
-        Some(RectI::from_points(
-            vec2i(bounds.min.x, bounds.min.y),
-            vec2i(bounds.max.x, bounds.max.y),
-        ))
+        self.atlases.texture(atlas_id)
     }
 }

gpui/src/platform/test.rs 🔗

@@ -137,6 +137,10 @@ impl super::Platform for Platform {
         Ok(None)
     }
 
+    fn delete_credentials(&self, _: &str) -> Result<()> {
+        Ok(())
+    }
+
     fn set_cursor_style(&self, style: CursorStyle) {
         *self.cursor.lock() = style;
     }

gpui/src/scene.rs 🔗

@@ -1,12 +1,13 @@
 use serde::Deserialize;
 use serde_json::json;
-use std::borrow::Cow;
+use std::{borrow::Cow, sync::Arc};
 
 use crate::{
     color::Color,
     fonts::{FontId, GlyphId},
     geometry::{rect::RectF, vector::Vector2F},
     json::ToJson,
+    ImageData,
 };
 
 pub struct Scene {
@@ -25,6 +26,7 @@ pub struct Layer {
     clip_bounds: Option<RectF>,
     quads: Vec<Quad>,
     underlines: Vec<Quad>,
+    images: Vec<Image>,
     shadows: Vec<Shadow>,
     glyphs: Vec<Glyph>,
     icons: Vec<Icon>,
@@ -124,6 +126,13 @@ pub struct PathVertex {
     pub st_position: Vector2F,
 }
 
+pub struct Image {
+    pub bounds: RectF,
+    pub border: Border,
+    pub corner_radius: f32,
+    pub data: Arc<ImageData>,
+}
+
 impl Scene {
     pub fn new(scale_factor: f32) -> Self {
         let stacking_context = StackingContext::new(None);
@@ -166,6 +175,10 @@ impl Scene {
         self.active_layer().push_quad(quad)
     }
 
+    pub fn push_image(&mut self, image: Image) {
+        self.active_layer().push_image(image)
+    }
+
     pub fn push_underline(&mut self, underline: Quad) {
         self.active_layer().push_underline(underline)
     }
@@ -240,6 +253,7 @@ impl Layer {
             clip_bounds,
             quads: Vec::new(),
             underlines: Vec::new(),
+            images: Vec::new(),
             shadows: Vec::new(),
             glyphs: Vec::new(),
             icons: Vec::new(),
@@ -267,6 +281,14 @@ impl Layer {
         self.underlines.as_slice()
     }
 
+    fn push_image(&mut self, image: Image) {
+        self.images.push(image);
+    }
+
+    pub fn images(&self) -> &[Image] {
+        self.images.as_slice()
+    }
+
     fn push_shadow(&mut self, shadow: Shadow) {
         self.shadows.push(shadow);
     }

gpui/src/views/select.rs 🔗

@@ -111,7 +111,7 @@ impl View for Select {
                     mouse_state.hovered,
                     cx,
                 ))
-                .with_style(&style.header)
+                .with_style(style.header)
                 .boxed()
             })
             .on_click(move |cx| cx.dispatch_action(ToggleSelect))
@@ -158,7 +158,7 @@ impl View for Select {
                         .with_max_height(200.)
                         .boxed(),
                     )
-                    .with_style(&style.menu)
+                    .with_style(style.menu)
                     .boxed(),
                 )
                 .boxed(),

server/src/auth.rs 🔗

@@ -17,7 +17,7 @@ use scrypt::{
 };
 use serde::{Deserialize, Serialize};
 use std::{borrow::Cow, convert::TryFrom, sync::Arc};
-use surf::Url;
+use surf::{StatusCode, Url};
 use tide::Server;
 use zrpc::auth as zed_auth;
 
@@ -73,7 +73,9 @@ impl tide::Middleware<Arc<AppState>> for VerifyToken {
             request.set_ext(user_id);
             Ok(next.run(request).await)
         } else {
-            Err(anyhow!("invalid credentials").into())
+            let mut response = tide::Response::new(StatusCode::Unauthorized);
+            response.set_body("invalid credentials");
+            Ok(response)
         }
     }
 }

server/src/rpc.rs 🔗

@@ -27,7 +27,7 @@ use time::OffsetDateTime;
 use zrpc::{
     auth::random_token,
     proto::{self, AnyTypedEnvelope, EnvelopedMessage},
-    Conn, ConnectionId, Peer, TypedEnvelope,
+    Connection, ConnectionId, Peer, TypedEnvelope,
 };
 
 type ReplicaId = u16;
@@ -48,13 +48,13 @@ pub struct Server {
 
 #[derive(Default)]
 struct ServerState {
-    connections: HashMap<ConnectionId, Connection>,
+    connections: HashMap<ConnectionId, ConnectionState>,
     pub worktrees: HashMap<u64, Worktree>,
     channels: HashMap<ChannelId, Channel>,
     next_worktree_id: u64,
 }
 
-struct Connection {
+struct ConnectionState {
     user_id: UserId,
     worktrees: HashSet<u64>,
     channels: HashSet<ChannelId>,
@@ -133,7 +133,7 @@ impl Server {
 
     pub fn handle_connection(
         self: &Arc<Self>,
-        connection: Conn,
+        connection: Connection,
         addr: String,
         user_id: UserId,
     ) -> impl Future<Output = ()> {
@@ -211,7 +211,7 @@ impl Server {
     async fn add_connection(&self, connection_id: ConnectionId, user_id: UserId) {
         self.state.write().await.connections.insert(
             connection_id,
-            Connection {
+            ConnectionState {
                 user_id,
                 worktrees: Default::default(),
                 channels: Default::default(),
@@ -558,8 +558,8 @@ impl Server {
             .into_iter()
             .map(|user| proto::User {
                 id: user.id.to_proto(),
+                avatar_url: format!("https://github.com/{}.png?size=128", user.github_login),
                 github_login: user.github_login,
-                avatar_url: String::new(),
             })
             .collect();
         self.peer
@@ -972,7 +972,7 @@ pub fn add_routes(app: &mut tide::Server<Arc<AppState>>, rpc: &Arc<Peer>) {
             let user_id = user_id.ok_or_else(|| anyhow!("user_id is not present on request. ensure auth::VerifyToken middleware is present"))?;
             task::spawn(async move {
                 if let Some(stream) = upgrade_receiver.await {
-                    server.handle_connection(Conn::new(WebSocketStream::from_raw_socket(stream, Role::Server, None).await), addr, user_id).await;
+                    server.handle_connection(Connection::new(WebSocketStream::from_raw_socket(stream, Role::Server, None).await), addr, user_id).await;
                 }
             });
 
@@ -1023,8 +1023,9 @@ mod tests {
         editor::{Editor, Insert},
         fs::{FakeFs, Fs as _},
         language::LanguageRegistry,
-        rpc::{self, Client},
+        rpc::{self, Client, Credentials, EstablishConnectionError},
         settings,
+        test::FakeHttpClient,
         user::UserStore,
         worktree::Worktree,
     };
@@ -1483,6 +1484,7 @@ mod tests {
     #[gpui::test]
     async fn test_basic_chat(mut cx_a: TestAppContext, mut cx_b: TestAppContext) {
         cx_a.foreground().forbid_parking();
+        let http = FakeHttpClient::new(|_| async move { Ok(surf::http::Response::new(404)) });
 
         // Connect to a server as 2 clients.
         let mut server = TestServer::start().await;
@@ -1512,7 +1514,8 @@ mod tests {
         .await
         .unwrap();
 
-        let user_store_a = Arc::new(UserStore::new(client_a.clone()));
+        let user_store_a =
+            UserStore::new(client_a.clone(), http.clone(), cx_a.background().as_ref());
         let channels_a = cx_a.add_model(|cx| ChannelList::new(user_store_a, client_a, cx));
         channels_a
             .condition(&mut cx_a, |list, _| list.available_channels().is_some())
@@ -1537,7 +1540,8 @@ mod tests {
             })
             .await;
 
-        let user_store_b = Arc::new(UserStore::new(client_b.clone()));
+        let user_store_b =
+            UserStore::new(client_b.clone(), http.clone(), cx_b.background().as_ref());
         let channels_b = cx_b.add_model(|cx| ChannelList::new(user_store_b, client_b, cx));
         channels_b
             .condition(&mut cx_b, |list, _| list.available_channels().is_some())
@@ -1625,6 +1629,7 @@ mod tests {
     #[gpui::test]
     async fn test_chat_message_validation(mut cx_a: TestAppContext) {
         cx_a.foreground().forbid_parking();
+        let http = FakeHttpClient::new(|_| async move { Ok(surf::http::Response::new(404)) });
 
         let mut server = TestServer::start().await;
         let (user_id_a, client_a) = server.create_client(&mut cx_a, "user_a").await;
@@ -1637,7 +1642,7 @@ mod tests {
             .await
             .unwrap();
 
-        let user_store_a = Arc::new(UserStore::new(client_a.clone()));
+        let user_store_a = UserStore::new(client_a.clone(), http, cx_a.background().as_ref());
         let channels_a = cx_a.add_model(|cx| ChannelList::new(user_store_a, client_a, cx));
         channels_a
             .condition(&mut cx_a, |list, _| list.available_channels().is_some())
@@ -1683,6 +1688,7 @@ mod tests {
     #[gpui::test]
     async fn test_chat_reconnection(mut cx_a: TestAppContext, mut cx_b: TestAppContext) {
         cx_a.foreground().forbid_parking();
+        let http = FakeHttpClient::new(|_| async move { Ok(surf::http::Response::new(404)) });
 
         // Connect to a server as 2 clients.
         let mut server = TestServer::start().await;
@@ -1713,7 +1719,8 @@ mod tests {
         .await
         .unwrap();
 
-        let user_store_a = Arc::new(UserStore::new(client_a.clone()));
+        let user_store_a =
+            UserStore::new(client_a.clone(), http.clone(), cx_a.background().as_ref());
         let channels_a = cx_a.add_model(|cx| ChannelList::new(user_store_a, client_a, cx));
         channels_a
             .condition(&mut cx_a, |list, _| list.available_channels().is_some())
@@ -1739,7 +1746,8 @@ mod tests {
             })
             .await;
 
-        let user_store_b = Arc::new(UserStore::new(client_b.clone()));
+        let user_store_b =
+            UserStore::new(client_b.clone(), http.clone(), cx_b.background().as_ref());
         let channels_b = cx_b.add_model(|cx| ChannelList::new(user_store_b, client_b, cx));
         channels_b
             .condition(&mut cx_b, |list, _| list.available_channels().is_some())
@@ -1914,39 +1922,42 @@ mod tests {
             let forbid_connections = self.forbid_connections.clone();
             Arc::get_mut(&mut client)
                 .unwrap()
-                .set_login_and_connect_callbacks(
-                    move |cx| {
-                        cx.spawn(|_| async move {
-                            let access_token = "the-token".to_string();
-                            Ok((client_user_id.0 as u64, access_token))
+                .override_authenticate(move |cx| {
+                    cx.spawn(|_| async move {
+                        let access_token = "the-token".to_string();
+                        Ok(Credentials {
+                            user_id: client_user_id.0 as u64,
+                            access_token,
                         })
-                    },
-                    move |user_id, access_token, cx| {
-                        assert_eq!(user_id, client_user_id.0 as u64);
-                        assert_eq!(access_token, "the-token");
-
-                        let server = server.clone();
-                        let connection_killers = connection_killers.clone();
-                        let forbid_connections = forbid_connections.clone();
-                        let client_name = client_name.clone();
-                        cx.spawn(move |cx| async move {
-                            if forbid_connections.load(SeqCst) {
-                                Err(anyhow!("server is forbidding connections"))
-                            } else {
-                                let (client_conn, server_conn, kill_conn) = Conn::in_memory();
-                                connection_killers.lock().insert(client_user_id, kill_conn);
-                                cx.background()
-                                    .spawn(server.handle_connection(
-                                        server_conn,
-                                        client_name,
-                                        client_user_id,
-                                    ))
-                                    .detach();
-                                Ok(client_conn)
-                            }
-                        })
-                    },
-                );
+                    })
+                })
+                .override_establish_connection(move |credentials, cx| {
+                    assert_eq!(credentials.user_id, client_user_id.0 as u64);
+                    assert_eq!(credentials.access_token, "the-token");
+
+                    let server = server.clone();
+                    let connection_killers = connection_killers.clone();
+                    let forbid_connections = forbid_connections.clone();
+                    let client_name = client_name.clone();
+                    cx.spawn(move |cx| async move {
+                        if forbid_connections.load(SeqCst) {
+                            Err(EstablishConnectionError::other(anyhow!(
+                                "server is forbidding connections"
+                            )))
+                        } else {
+                            let (client_conn, server_conn, kill_conn) = Connection::in_memory();
+                            connection_killers.lock().insert(client_user_id, kill_conn);
+                            cx.background()
+                                .spawn(server.handle_connection(
+                                    server_conn,
+                                    client_name,
+                                    client_user_id,
+                                ))
+                                .detach();
+                            Ok(client_conn)
+                        }
+                    })
+                });
 
             client
                 .authenticate_and_connect(&cx.to_async())

zed/Cargo.toml 🔗

@@ -18,6 +18,7 @@ test-support = ["tempdir", "zrpc/test-support"]
 
 [dependencies]
 anyhow = "1.0.38"
+async-recursion = "0.3"
 async-trait = "0.1"
 arrayvec = "0.7.1"
 async-tungstenite = { version = "0.14", features = ["async-tls"] }
@@ -30,6 +31,7 @@ futures = "0.3"
 gpui = { path = "../gpui" }
 http-auth-basic = "0.1.3"
 ignore = "0.4"
+image = "0.23"
 lazy_static = "1.4.0"
 libc = "0.2"
 log = "0.4"
@@ -49,6 +51,7 @@ smallvec = { version = "1.6", features = ["union"] }
 smol = "1.2.5"
 surf = "2.2"
 tempdir = { version = "0.3.7", optional = true }
+thiserror = "1.0.29"
 time = { version = "0.3" }
 tiny_http = "0.8"
 toml = "0.5"

zed/assets/themes/_base.toml 🔗

@@ -7,7 +7,14 @@ pane_divider = { width = 1, color = "$border.0" }
 
 [workspace.titlebar]
 border = { width = 1, bottom = true, color = "$border.0" }
-text = { extends = "$text.0" }
+title = "$text.0"
+avatar_width = 20
+icon_color = "$text.2.color"
+avatar = { corner_radius = 10, border = { width = 1, color = "#00000088" } }
+
+[workspace.titlebar.offline_icon]
+padding = { right = 4 }
+width = 16
 
 [workspace.tab]
 text = "$text.2"
@@ -26,7 +33,7 @@ background = "$surface.1"
 text = "$text.0"
 
 [workspace.sidebar]
-padding = { left = 12, right = 12 }
+width = 32
 border = { right = true, width = 1, color = "$border.0" }
 
 [workspace.sidebar.resize_handle]

zed/src/channel.rs 🔗

@@ -46,7 +46,7 @@ pub struct Channel {
     _subscription: rpc::Subscription,
 }
 
-#[derive(Clone, Debug, PartialEq)]
+#[derive(Clone, Debug)]
 pub struct ChannelMessage {
     pub id: u64,
     pub body: String,
@@ -118,7 +118,7 @@ impl ChannelList {
                                 cx.notify();
                             });
                         }
-                        rpc::Status::Disconnected { .. } => {
+                        rpc::Status::SignedOut { .. } => {
                             this.update(&mut cx, |this, cx| {
                                 this.available_channels = None;
                                 this.channels.clear();
@@ -443,7 +443,7 @@ impl ChannelMessage {
         message: proto::ChannelMessage,
         user_store: &UserStore,
     ) -> Result<Self> {
-        let sender = user_store.get_user(message.sender_id).await?;
+        let sender = user_store.fetch_user(message.sender_id).await?;
         Ok(ChannelMessage {
             id: message.id,
             body: message.body,
@@ -495,15 +495,17 @@ impl<'a> sum_tree::SeekDimension<'a, ChannelMessageSummary> for Count {
 #[cfg(test)]
 mod tests {
     use super::*;
-    use crate::test::FakeServer;
+    use crate::test::{FakeHttpClient, FakeServer};
     use gpui::TestAppContext;
+    use surf::http::Response;
 
     #[gpui::test]
     async fn test_channel_messages(mut cx: TestAppContext) {
         let user_id = 5;
         let mut client = Client::new();
+        let http_client = FakeHttpClient::new(|_| async move { Ok(Response::new(404)) });
         let server = FakeServer::for_client(user_id, &mut client, &cx).await;
-        let user_store = Arc::new(UserStore::new(client.clone()));
+        let user_store = UserStore::new(client.clone(), http_client, cx.background().as_ref());
 
         let channel_list = cx.add_model(|cx| ChannelList::new(user_store, client.clone(), cx));
         channel_list.read_with(&cx, |list, _| assert_eq!(list.available_channels(), None));

zed/src/chat_panel.rs 🔗

@@ -209,7 +209,7 @@ impl ChatPanel {
         Flex::column()
             .with_child(
                 Container::new(ChildView::new(self.channel_select.id()).boxed())
-                    .with_style(&theme.chat_panel.channel_select.container)
+                    .with_style(theme.chat_panel.channel_select.container)
                     .boxed(),
             )
             .with_child(self.render_active_channel_messages())
@@ -243,7 +243,7 @@ impl ChatPanel {
                                 )
                                 .boxed(),
                             )
-                            .with_style(&theme.sender.container)
+                            .with_style(theme.sender.container)
                             .boxed(),
                         )
                         .with_child(
@@ -254,7 +254,7 @@ impl ChatPanel {
                                 )
                                 .boxed(),
                             )
-                            .with_style(&theme.timestamp.container)
+                            .with_style(theme.timestamp.container)
                             .boxed(),
                         )
                         .boxed(),
@@ -262,14 +262,14 @@ impl ChatPanel {
                 .with_child(Text::new(message.body.clone(), theme.body.clone()).boxed())
                 .boxed(),
         )
-        .with_style(&theme.container)
+        .with_style(theme.container)
         .boxed()
     }
 
     fn render_input_box(&self) -> ElementBox {
         let theme = &self.settings.borrow().theme;
         Container::new(ChildView::new(self.input_editor.id()).boxed())
-            .with_style(&theme.chat_panel.input_editor.container)
+            .with_style(theme.chat_panel.input_editor.container)
             .boxed()
     }
 
@@ -293,13 +293,13 @@ impl ChatPanel {
             Flex::row()
                 .with_child(
                     Container::new(Label::new("#".to_string(), theme.hash.text.clone()).boxed())
-                        .with_style(&theme.hash.container)
+                        .with_style(theme.hash.container)
                         .boxed(),
                 )
                 .with_child(Label::new(channel.name.clone(), theme.name.clone()).boxed())
                 .boxed(),
         )
-        .with_style(&theme.container)
+        .with_style(theme.container)
         .boxed()
     }
 
@@ -387,7 +387,7 @@ impl View for ChatPanel {
         };
         ConstrainedBox::new(
             Container::new(element)
-                .with_style(&theme.chat_panel.container)
+                .with_style(theme.chat_panel.container)
                 .boxed(),
         )
         .with_min_width(150.)

zed/src/file_finder.rs 🔗

@@ -88,13 +88,13 @@ impl View for FileFinder {
                     Flex::new(Axis::Vertical)
                         .with_child(
                             Container::new(ChildView::new(self.query_editor.id()).boxed())
-                                .with_style(&settings.theme.selector.input_editor.container)
+                                .with_style(settings.theme.selector.input_editor.container)
                                 .boxed(),
                         )
                         .with_child(Flexible::new(1.0, self.render_matches()).boxed())
                         .boxed(),
                 )
-                .with_style(&settings.theme.selector.container)
+                .with_style(settings.theme.selector.container)
                 .boxed(),
             )
             .with_max_width(500.0)
@@ -127,7 +127,7 @@ impl FileFinder {
                 )
                 .boxed(),
             )
-            .with_style(&settings.theme.selector.empty.container)
+            .with_style(settings.theme.selector.empty.container)
             .named("empty matches");
         }
 
@@ -200,7 +200,7 @@ impl FileFinder {
                 )
                 .boxed(),
         )
-        .with_style(&style.container);
+        .with_style(style.container);
 
         let action = Select(Entry {
             worktree_id: path_match.tree_id,

zed/src/http.rs 🔗

@@ -0,0 +1,26 @@
+pub use anyhow::{anyhow, Result};
+use futures::future::BoxFuture;
+use std::sync::Arc;
+pub use surf::{
+    http::{Method, Response as ServerResponse},
+    Request, Response, Url,
+};
+
+pub trait HttpClient: Send + Sync {
+    fn send<'a>(&'a self, req: Request) -> BoxFuture<'a, Result<Response>>;
+}
+
+pub fn client() -> Arc<dyn HttpClient> {
+    Arc::new(surf::client())
+}
+
+impl HttpClient for surf::Client {
+    fn send<'a>(&'a self, req: Request) -> BoxFuture<'a, Result<Response>> {
+        Box::pin(async move {
+            Ok(self
+                .send(req)
+                .await
+                .map_err(|e| anyhow!("http request failed: {}", e))?)
+        })
+    }
+}

zed/src/lib.rs 🔗

@@ -5,6 +5,7 @@ pub mod editor;
 pub mod file_finder;
 pub mod fs;
 mod fuzzy;
+pub mod http;
 pub mod language;
 pub mod menus;
 pub mod project_browser;
@@ -42,6 +43,7 @@ pub struct AppState {
     pub languages: Arc<language::LanguageRegistry>,
     pub themes: Arc<settings::ThemeRegistry>,
     pub rpc: Arc<rpc::Client>,
+    pub user_store: Arc<user::UserStore>,
     pub fs: Arc<dyn fs::Fs>,
     pub channel_list: ModelHandle<ChannelList>,
 }

zed/src/main.rs 🔗

@@ -13,7 +13,7 @@ use zed::{
     channel::ChannelList,
     chat_panel, editor, file_finder,
     fs::RealFs,
-    language, menus, rpc, settings, theme_selector,
+    http, language, menus, rpc, settings, theme_selector,
     user::UserStore,
     workspace::{self, OpenNew, OpenParams, OpenPaths},
     AppState,
@@ -37,14 +37,16 @@ fn main() {
 
     app.run(move |cx| {
         let rpc = rpc::Client::new();
-        let user_store = Arc::new(UserStore::new(rpc.clone()));
+        let http = http::client();
+        let user_store = UserStore::new(rpc.clone(), http.clone(), cx.background());
         let app_state = Arc::new(AppState {
             languages: languages.clone(),
             settings_tx: Arc::new(Mutex::new(settings_tx)),
             settings,
             themes,
-            channel_list: cx.add_model(|cx| ChannelList::new(user_store, rpc.clone(), cx)),
+            channel_list: cx.add_model(|cx| ChannelList::new(user_store.clone(), rpc.clone(), cx)),
             rpc,
+            user_store,
             fs: Arc::new(RealFs),
         });
 

zed/src/rpc.rs 🔗

@@ -1,6 +1,10 @@
 use crate::util::ResultExt;
 use anyhow::{anyhow, Context, Result};
-use async_tungstenite::tungstenite::http::Request;
+use async_recursion::async_recursion;
+use async_tungstenite::tungstenite::{
+    error::Error as WebsocketError,
+    http::{Request, StatusCode},
+};
 use gpui::{AsyncAppContext, Entity, ModelContext, Task};
 use lazy_static::lazy_static;
 use parking_lot::RwLock;
@@ -15,10 +19,11 @@ use std::{
     time::{Duration, Instant},
 };
 use surf::Url;
+use thiserror::Error;
 pub use zrpc::{proto, ConnectionId, PeerId, TypedEnvelope};
 use zrpc::{
     proto::{AnyTypedEnvelope, EntityMessage, EnvelopedMessage, RequestMessage},
-    Conn, Peer, Receipt,
+    Connection, Peer, Receipt,
 };
 
 lazy_static! {
@@ -29,37 +34,65 @@ lazy_static! {
 pub struct Client {
     peer: Arc<Peer>,
     state: RwLock<ClientState>,
-    auth_callback: Option<
-        Box<dyn 'static + Send + Sync + Fn(&AsyncAppContext) -> Task<Result<(u64, String)>>>,
-    >,
-    connect_callback: Option<
-        Box<dyn 'static + Send + Sync + Fn(u64, &str, &AsyncAppContext) -> Task<Result<Conn>>>,
+    authenticate:
+        Option<Box<dyn 'static + Send + Sync + Fn(&AsyncAppContext) -> Task<Result<Credentials>>>>,
+    establish_connection: Option<
+        Box<
+            dyn 'static
+                + Send
+                + Sync
+                + Fn(
+                    &Credentials,
+                    &AsyncAppContext,
+                ) -> Task<Result<Connection, EstablishConnectionError>>,
+        >,
     >,
 }
 
+#[derive(Error, Debug)]
+pub enum EstablishConnectionError {
+    #[error("unauthorized")]
+    Unauthorized,
+    #[error("{0}")]
+    Other(#[from] anyhow::Error),
+    #[error("{0}")]
+    Io(#[from] std::io::Error),
+    #[error("{0}")]
+    Http(#[from] async_tungstenite::tungstenite::http::Error),
+}
+
+impl From<WebsocketError> for EstablishConnectionError {
+    fn from(error: WebsocketError) -> Self {
+        if let WebsocketError::Http(response) = &error {
+            if response.status() == StatusCode::UNAUTHORIZED {
+                return EstablishConnectionError::Unauthorized;
+            }
+        }
+        EstablishConnectionError::Other(error.into())
+    }
+}
+
+impl EstablishConnectionError {
+    pub fn other(error: impl Into<anyhow::Error> + Send + Sync) -> Self {
+        Self::Other(error.into())
+    }
+}
+
 #[derive(Copy, Clone, Debug)]
 pub enum Status {
-    Disconnected,
+    SignedOut,
     Authenticating,
-    Connecting {
-        user_id: u64,
-    },
+    Connecting,
     ConnectionError,
-    Connected {
-        connection_id: ConnectionId,
-        user_id: u64,
-    },
+    Connected { connection_id: ConnectionId },
     ConnectionLost,
     Reauthenticating,
-    Reconnecting {
-        user_id: u64,
-    },
-    ReconnectionError {
-        next_reconnection: Instant,
-    },
+    Reconnecting,
+    ReconnectionError { next_reconnection: Instant },
 }
 
 struct ClientState {
+    credentials: Option<Credentials>,
     status: (watch::Sender<Status>, watch::Receiver<Status>),
     entity_id_extractors: HashMap<TypeId, Box<dyn Send + Sync + Fn(&dyn AnyTypedEnvelope) -> u64>>,
     model_handlers: HashMap<
@@ -70,10 +103,17 @@ struct ClientState {
     heartbeat_interval: Duration,
 }
 
+#[derive(Clone)]
+pub struct Credentials {
+    pub user_id: u64,
+    pub access_token: String,
+}
+
 impl Default for ClientState {
     fn default() -> Self {
         Self {
-            status: watch::channel_with(Status::Disconnected),
+            credentials: None,
+            status: watch::channel_with(Status::SignedOut),
             entity_id_extractors: Default::default(),
             model_handlers: Default::default(),
             _maintain_connection: None,
@@ -107,22 +147,38 @@ impl Client {
         Arc::new(Self {
             peer: Peer::new(),
             state: Default::default(),
-            auth_callback: None,
-            connect_callback: None,
+            authenticate: None,
+            establish_connection: None,
         })
     }
 
     #[cfg(any(test, feature = "test-support"))]
-    pub fn set_login_and_connect_callbacks<Login, Connect>(
-        &mut self,
-        login: Login,
-        connect: Connect,
-    ) where
-        Login: 'static + Send + Sync + Fn(&AsyncAppContext) -> Task<Result<(u64, String)>>,
-        Connect: 'static + Send + Sync + Fn(u64, &str, &AsyncAppContext) -> Task<Result<Conn>>,
+    pub fn override_authenticate<F>(&mut self, authenticate: F) -> &mut Self
+    where
+        F: 'static + Send + Sync + Fn(&AsyncAppContext) -> Task<Result<Credentials>>,
     {
-        self.auth_callback = Some(Box::new(login));
-        self.connect_callback = Some(Box::new(connect));
+        self.authenticate = Some(Box::new(authenticate));
+        self
+    }
+
+    #[cfg(any(test, feature = "test-support"))]
+    pub fn override_establish_connection<F>(&mut self, connect: F) -> &mut Self
+    where
+        F: 'static
+            + Send
+            + Sync
+            + Fn(&Credentials, &AsyncAppContext) -> Task<Result<Connection, EstablishConnectionError>>,
+    {
+        self.establish_connection = Some(Box::new(connect));
+        self
+    }
+
+    pub fn user_id(&self) -> Option<u64> {
+        self.state
+            .read()
+            .credentials
+            .as_ref()
+            .map(|credentials| credentials.user_id)
     }
 
     pub fn status(&self) -> watch::Receiver<Status> {
@@ -167,7 +223,7 @@ impl Client {
                     }
                 }));
             }
-            Status::Disconnected => {
+            Status::SignedOut => {
                 state._maintain_connection.take();
             }
             _ => {}
@@ -227,12 +283,13 @@ impl Client {
         }
     }
 
+    #[async_recursion(?Send)]
     pub async fn authenticate_and_connect(
         self: &Arc<Self>,
         cx: &AsyncAppContext,
     ) -> anyhow::Result<()> {
         let was_disconnected = match *self.status().borrow() {
-            Status::Disconnected => true,
+            Status::SignedOut => true,
             Status::ConnectionError | Status::ConnectionLost | Status::ReconnectionError { .. } => {
                 false
             }
@@ -249,33 +306,60 @@ impl Client {
             self.set_status(Status::Reauthenticating, cx)
         }
 
-        let (user_id, access_token) = match self.authenticate(&cx).await {
-            Ok(result) => result,
-            Err(err) => {
-                self.set_status(Status::ConnectionError, cx);
-                return Err(err);
-            }
+        let mut read_from_keychain = false;
+        let credentials = self.state.read().credentials.clone();
+        let credentials = if let Some(credentials) = credentials {
+            credentials
+        } else if let Some(credentials) = read_credentials_from_keychain(cx) {
+            read_from_keychain = true;
+            credentials
+        } else {
+            let credentials = match self.authenticate(&cx).await {
+                Ok(credentials) => credentials,
+                Err(err) => {
+                    self.set_status(Status::ConnectionError, cx);
+                    return Err(err);
+                }
+            };
+            self.state.write().credentials = Some(credentials.clone());
+            credentials
         };
 
         if was_disconnected {
-            self.set_status(Status::Connecting { user_id }, cx);
+            self.set_status(Status::Connecting, cx);
         } else {
-            self.set_status(Status::Reconnecting { user_id }, cx);
+            self.set_status(Status::Reconnecting, cx);
         }
-        match self.connect(user_id, &access_token, cx).await {
+
+        match self.establish_connection(&credentials, cx).await {
             Ok(conn) => {
                 log::info!("connected to rpc address {}", *ZED_SERVER_URL);
-                self.set_connection(user_id, conn, cx).await;
+                if !read_from_keychain {
+                    write_credentials_to_keychain(&credentials, cx).log_err();
+                }
+                self.set_connection(conn, cx).await;
                 Ok(())
             }
             Err(err) => {
-                self.set_status(Status::ConnectionError, cx);
-                Err(err)
+                if matches!(err, EstablishConnectionError::Unauthorized) {
+                    self.state.write().credentials.take();
+                    cx.platform().delete_credentials(&ZED_SERVER_URL).log_err();
+                    if read_from_keychain {
+                        self.set_status(Status::SignedOut, cx);
+                        self.authenticate_and_connect(cx).await
+                    } else {
+                        self.set_status(Status::ConnectionError, cx);
+                        Err(err)?
+                    }
+                } else {
+                    self.set_status(Status::ConnectionError, cx);
+                    Err(err)?
+                }
             }
         }
     }
 
-    async fn set_connection(self: &Arc<Self>, user_id: u64, conn: Conn, cx: &AsyncAppContext) {
+    async fn set_connection(self: &Arc<Self>, conn: Connection, cx: &AsyncAppContext) {
         let (connection_id, handle_io, mut incoming) = self.peer.add_connection(conn).await;
         cx.foreground()
             .spawn({
@@ -310,13 +394,7 @@ impl Client {
             })
             .detach();
 
-        self.set_status(
-            Status::Connected {
-                connection_id,
-                user_id,
-            },
-            cx,
-        );
+        self.set_status(Status::Connected { connection_id }, cx);
 
         let handle_io = cx.background().spawn(handle_io);
         let this = self.clone();
@@ -324,7 +402,7 @@ impl Client {
         cx.foreground()
             .spawn(async move {
                 match handle_io.await {
-                    Ok(()) => this.set_status(Status::Disconnected, &cx),
+                    Ok(()) => this.set_status(Status::SignedOut, &cx),
                     Err(err) => {
                         log::error!("connection error: {:?}", err);
                         this.set_status(Status::ConnectionLost, &cx);
@@ -334,52 +412,49 @@ impl Client {
             .detach();
     }
 
-    fn authenticate(self: &Arc<Self>, cx: &AsyncAppContext) -> Task<Result<(u64, String)>> {
-        if let Some(callback) = self.auth_callback.as_ref() {
+    fn authenticate(self: &Arc<Self>, cx: &AsyncAppContext) -> Task<Result<Credentials>> {
+        if let Some(callback) = self.authenticate.as_ref() {
             callback(cx)
         } else {
             self.authenticate_with_browser(cx)
         }
     }
 
-    fn connect(
+    fn establish_connection(
         self: &Arc<Self>,
-        user_id: u64,
-        access_token: &str,
+        credentials: &Credentials,
         cx: &AsyncAppContext,
-    ) -> Task<Result<Conn>> {
-        if let Some(callback) = self.connect_callback.as_ref() {
-            callback(user_id, access_token, cx)
+    ) -> Task<Result<Connection, EstablishConnectionError>> {
+        if let Some(callback) = self.establish_connection.as_ref() {
+            callback(credentials, cx)
         } else {
-            self.connect_with_websocket(user_id, access_token, cx)
+            self.establish_websocket_connection(credentials, cx)
         }
     }
 
-    fn connect_with_websocket(
+    fn establish_websocket_connection(
         self: &Arc<Self>,
-        user_id: u64,
-        access_token: &str,
+        credentials: &Credentials,
         cx: &AsyncAppContext,
-    ) -> Task<Result<Conn>> {
-        let request =
-            Request::builder().header("Authorization", format!("{} {}", user_id, access_token));
+    ) -> Task<Result<Connection, EstablishConnectionError>> {
+        let request = Request::builder().header(
+            "Authorization",
+            format!("{} {}", credentials.user_id, credentials.access_token),
+        );
         cx.background().spawn(async move {
             if let Some(host) = ZED_SERVER_URL.strip_prefix("https://") {
                 let stream = smol::net::TcpStream::connect(host).await?;
                 let request = request.uri(format!("wss://{}/rpc", host)).body(())?;
-                let (stream, _) = async_tungstenite::async_tls::client_async_tls(request, stream)
-                    .await
-                    .context("websocket handshake")?;
-                Ok(Conn::new(stream))
+                let (stream, _) =
+                    async_tungstenite::async_tls::client_async_tls(request, stream).await?;
+                Ok(Connection::new(stream))
             } else if let Some(host) = ZED_SERVER_URL.strip_prefix("http://") {
                 let stream = smol::net::TcpStream::connect(host).await?;
                 let request = request.uri(format!("ws://{}/rpc", host)).body(())?;
-                let (stream, _) = async_tungstenite::client_async(request, stream)
-                    .await
-                    .context("websocket handshake")?;
-                Ok(Conn::new(stream))
+                let (stream, _) = async_tungstenite::client_async(request, stream).await?;
+                Ok(Connection::new(stream))
             } else {
-                Err(anyhow!("invalid server url: {}", *ZED_SERVER_URL))
+                Err(anyhow!("invalid server url: {}", *ZED_SERVER_URL))?
             }
         })
     }
@@ -387,19 +462,10 @@ impl Client {
     pub fn authenticate_with_browser(
         self: &Arc<Self>,
         cx: &AsyncAppContext,
-    ) -> Task<Result<(u64, String)>> {
+    ) -> Task<Result<Credentials>> {
         let platform = cx.platform();
         let executor = cx.background();
         executor.clone().spawn(async move {
-            if let Some((user_id, access_token)) = platform
-                .read_credentials(&ZED_SERVER_URL)
-                .log_err()
-                .flatten()
-            {
-                log::info!("already signed in. user_id: {}", user_id);
-                return Ok((user_id.parse()?, String::from_utf8(access_token).unwrap()));
-            }
-
             // Generate a pair of asymmetric encryption keys. The public key will be used by the
             // zed server to encrypt the user's access token, so that it can'be intercepted by
             // any other app running on the user's device.
@@ -460,17 +526,18 @@ impl Client {
                 .decrypt_string(&access_token)
                 .context("failed to decrypt access token")?;
             platform.activate(true);
-            platform
-                .write_credentials(&ZED_SERVER_URL, &user_id, access_token.as_bytes())
-                .log_err();
-            Ok((user_id.parse()?, access_token))
+
+            Ok(Credentials {
+                user_id: user_id.parse()?,
+                access_token,
+            })
         })
     }
 
     pub async fn disconnect(self: &Arc<Self>, cx: &AsyncAppContext) -> Result<()> {
         let conn_id = self.connection_id()?;
         self.peer.disconnect(conn_id).await;
-        self.set_status(Status::Disconnected, cx);
+        self.set_status(Status::SignedOut, cx);
         Ok(())
     }
 
@@ -499,6 +566,26 @@ impl Client {
     }
 }
 
+fn read_credentials_from_keychain(cx: &AsyncAppContext) -> Option<Credentials> {
+    let (user_id, access_token) = cx
+        .platform()
+        .read_credentials(&ZED_SERVER_URL)
+        .log_err()
+        .flatten()?;
+    Some(Credentials {
+        user_id: user_id.parse().ok()?,
+        access_token: String::from_utf8(access_token).ok()?,
+    })
+}
+
+fn write_credentials_to_keychain(credentials: &Credentials, cx: &AsyncAppContext) -> Result<()> {
+    cx.platform().write_credentials(
+        &ZED_SERVER_URL,
+        &credentials.user_id.to_string(),
+        credentials.access_token.as_bytes(),
+    )
+}
+
 const WORKTREE_URL_PREFIX: &'static str = "zed://worktrees/";
 
 pub fn encode_worktree_url(id: u64, access_token: &str) -> String {
@@ -561,6 +648,7 @@ mod tests {
             status.recv().await,
             Some(Status::Connected { .. })
         ));
+        assert_eq!(server.auth_count(), 1);
 
         server.forbid_connections();
         server.disconnect().await;
@@ -569,6 +657,20 @@ mod tests {
         server.allow_connections();
         cx.foreground().advance_clock(Duration::from_secs(10));
         while !matches!(status.recv().await, Some(Status::Connected { .. })) {}
+        assert_eq!(server.auth_count(), 1); // Client reused the cached credentials when reconnecting
+
+        server.forbid_connections();
+        server.disconnect().await;
+        while !matches!(status.recv().await, Some(Status::ReconnectionError { .. })) {}
+
+        // Clear cached credentials after authentication fails
+        server.roll_access_token();
+        server.allow_connections();
+        cx.foreground().advance_clock(Duration::from_secs(10));
+        assert_eq!(server.auth_count(), 1);
+        cx.foreground().advance_clock(Duration::from_secs(10));
+        while !matches!(status.recv().await, Some(Status::Connected { .. })) {}
+        assert_eq!(server.auth_count(), 2); // Client re-authenticated due to an invalid token
     }
 
     #[test]

zed/src/test.rs 🔗

@@ -2,28 +2,31 @@ use crate::{
     assets::Assets,
     channel::ChannelList,
     fs::RealFs,
+    http::{HttpClient, Request, Response, ServerResponse},
     language::LanguageRegistry,
-    rpc::{self, Client},
+    rpc::{self, Client, Credentials, EstablishConnectionError},
     settings::{self, ThemeRegistry},
     time::ReplicaId,
     user::UserStore,
     AppState,
 };
 use anyhow::{anyhow, Result};
+use futures::{future::BoxFuture, Future};
 use gpui::{AsyncAppContext, Entity, ModelHandle, MutableAppContext, TestAppContext};
 use parking_lot::Mutex;
 use postage::{mpsc, prelude::Stream as _};
 use smol::channel;
 use std::{
+    fmt,
     marker::PhantomData,
     path::{Path, PathBuf},
     sync::{
-        atomic::{AtomicBool, Ordering::SeqCst},
+        atomic::{AtomicBool, AtomicUsize, Ordering::SeqCst},
         Arc,
     },
 };
 use tempdir::TempDir;
-use zrpc::{proto, Conn, ConnectionId, Peer, Receipt, TypedEnvelope};
+use zrpc::{proto, Connection, ConnectionId, Peer, Receipt, TypedEnvelope};
 
 #[cfg(test)]
 #[ctor::ctor]
@@ -164,14 +167,16 @@ pub fn test_app_state(cx: &mut MutableAppContext) -> Arc<AppState> {
     let languages = Arc::new(LanguageRegistry::new());
     let themes = ThemeRegistry::new(Assets, cx.font_cache().clone());
     let rpc = rpc::Client::new();
-    let user_store = Arc::new(UserStore::new(rpc.clone()));
+    let http = FakeHttpClient::new(|_| async move { Ok(ServerResponse::new(404)) });
+    let user_store = UserStore::new(rpc.clone(), http, cx.background());
     Arc::new(AppState {
         settings_tx: Arc::new(Mutex::new(settings_tx)),
         settings,
         themes,
         languages: languages.clone(),
-        channel_list: cx.add_model(|cx| ChannelList::new(user_store, rpc.clone(), cx)),
+        channel_list: cx.add_model(|cx| ChannelList::new(user_store.clone(), rpc.clone(), cx)),
         rpc,
+        user_store,
         fs: Arc::new(RealFs),
     })
 }
@@ -204,6 +209,9 @@ pub struct FakeServer {
     incoming: Mutex<Option<mpsc::Receiver<Box<dyn proto::AnyTypedEnvelope>>>>,
     connection_id: Mutex<Option<ConnectionId>>,
     forbid_connections: AtomicBool,
+    auth_count: AtomicUsize,
+    access_token: AtomicUsize,
+    user_id: u64,
 }
 
 impl FakeServer {
@@ -212,40 +220,47 @@ impl FakeServer {
         client: &mut Arc<Client>,
         cx: &TestAppContext,
     ) -> Arc<Self> {
-        let result = Arc::new(Self {
+        let server = Arc::new(Self {
             peer: Peer::new(),
             incoming: Default::default(),
             connection_id: Default::default(),
             forbid_connections: Default::default(),
+            auth_count: Default::default(),
+            access_token: Default::default(),
+            user_id: client_user_id,
         });
 
         Arc::get_mut(client)
             .unwrap()
-            .set_login_and_connect_callbacks(
+            .override_authenticate({
+                let server = server.clone();
                 move |cx| {
-                    cx.spawn(|_| async move {
-                        let access_token = "the-token".to_string();
-                        Ok((client_user_id, access_token))
-                    })
-                },
-                {
-                    let server = result.clone();
-                    move |user_id, access_token, cx| {
-                        assert_eq!(user_id, client_user_id);
-                        assert_eq!(access_token, "the-token");
-                        cx.spawn({
-                            let server = server.clone();
-                            move |cx| async move { server.connect(&cx).await }
+                    server.auth_count.fetch_add(1, SeqCst);
+                    let access_token = server.access_token.load(SeqCst).to_string();
+                    cx.spawn(move |_| async move {
+                        Ok(Credentials {
+                            user_id: client_user_id,
+                            access_token,
                         })
-                    }
-                },
-            );
+                    })
+                }
+            })
+            .override_establish_connection({
+                let server = server.clone();
+                move |credentials, cx| {
+                    let credentials = credentials.clone();
+                    cx.spawn({
+                        let server = server.clone();
+                        move |cx| async move { server.establish_connection(&credentials, &cx).await }
+                    })
+                }
+            });
 
         client
             .authenticate_and_connect(&cx.to_async())
             .await
             .unwrap();
-        result
+        server
     }
 
     pub async fn disconnect(&self) {
@@ -254,17 +269,37 @@ impl FakeServer {
         self.incoming.lock().take();
     }
 
-    async fn connect(&self, cx: &AsyncAppContext) -> Result<Conn> {
+    async fn establish_connection(
+        &self,
+        credentials: &Credentials,
+        cx: &AsyncAppContext,
+    ) -> Result<Connection, EstablishConnectionError> {
+        assert_eq!(credentials.user_id, self.user_id);
+
         if self.forbid_connections.load(SeqCst) {
-            Err(anyhow!("server is forbidding connections"))
-        } else {
-            let (client_conn, server_conn, _) = Conn::in_memory();
-            let (connection_id, io, incoming) = self.peer.add_connection(server_conn).await;
-            cx.background().spawn(io).detach();
-            *self.incoming.lock() = Some(incoming);
-            *self.connection_id.lock() = Some(connection_id);
-            Ok(client_conn)
+            Err(EstablishConnectionError::Other(anyhow!(
+                "server is forbidding connections"
+            )))?
+        }
+
+        if credentials.access_token != self.access_token.load(SeqCst).to_string() {
+            Err(EstablishConnectionError::Unauthorized)?
         }
+
+        let (client_conn, server_conn, _) = Connection::in_memory();
+        let (connection_id, io, incoming) = self.peer.add_connection(server_conn).await;
+        cx.background().spawn(io).detach();
+        *self.incoming.lock() = Some(incoming);
+        *self.connection_id.lock() = Some(connection_id);
+        Ok(client_conn)
+    }
+
+    pub fn auth_count(&self) -> usize {
+        self.auth_count.load(SeqCst)
+    }
+
+    pub fn roll_access_token(&self) {
+        self.access_token.fetch_add(1, SeqCst);
     }
 
     pub fn forbid_connections(&self) {
@@ -312,3 +347,33 @@ impl FakeServer {
         self.connection_id.lock().expect("not connected")
     }
 }
+
+pub struct FakeHttpClient {
+    handler:
+        Box<dyn 'static + Send + Sync + Fn(Request) -> BoxFuture<'static, Result<ServerResponse>>>,
+}
+
+impl FakeHttpClient {
+    pub fn new<Fut, F>(handler: F) -> Arc<dyn HttpClient>
+    where
+        Fut: 'static + Send + Future<Output = Result<ServerResponse>>,
+        F: 'static + Send + Sync + Fn(Request) -> Fut,
+    {
+        Arc::new(Self {
+            handler: Box::new(move |req| Box::pin(handler(req))),
+        })
+    }
+}
+
+impl fmt::Debug for FakeHttpClient {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        f.debug_struct("FakeHttpClient").finish()
+    }
+}
+
+impl HttpClient for FakeHttpClient {
+    fn send<'a>(&'a self, req: Request) -> BoxFuture<'a, Result<Response>> {
+        let future = (self.handler)(req);
+        Box::pin(async move { future.await.map(Into::into) })
+    }
+}

zed/src/theme.rs 🔗

@@ -4,7 +4,7 @@ mod theme_registry;
 use anyhow::Result;
 use gpui::{
     color::Color,
-    elements::{ContainerStyle, LabelStyle},
+    elements::{ContainerStyle, ImageStyle, LabelStyle},
     fonts::{HighlightStyle, TextStyle},
     Border,
 };
@@ -34,7 +34,7 @@ pub struct SyntaxTheme {
 #[derive(Deserialize)]
 pub struct Workspace {
     pub background: Color,
-    pub titlebar: ContainedLabel,
+    pub titlebar: Titlebar,
     pub tab: Tab,
     pub active_tab: Tab,
     pub pane_divider: Border,
@@ -42,6 +42,24 @@ pub struct Workspace {
     pub right_sidebar: Sidebar,
 }
 
+#[derive(Clone, Deserialize)]
+pub struct Titlebar {
+    #[serde(flatten)]
+    pub container: ContainerStyle,
+    pub title: TextStyle,
+    pub avatar_width: f32,
+    pub offline_icon: OfflineIcon,
+    pub icon_color: Color,
+    pub avatar: ImageStyle,
+}
+
+#[derive(Clone, Deserialize)]
+pub struct OfflineIcon {
+    #[serde(flatten)]
+    pub container: ContainerStyle,
+    pub width: f32,
+}
+
 #[derive(Clone, Deserialize)]
 pub struct Tab {
     #[serde(flatten)]
@@ -60,6 +78,7 @@ pub struct Tab {
 pub struct Sidebar {
     #[serde(flatten)]
     pub container: ContainerStyle,
+    pub width: f32,
     pub icon: SidebarIcon,
     pub active_icon: SidebarIcon,
     pub resize_handle: ContainerStyle,

zed/src/theme_selector.rs 🔗

@@ -214,7 +214,7 @@ impl ThemeSelector {
                 )
                 .boxed(),
             )
-            .with_style(&settings.theme.selector.empty.container)
+            .with_style(settings.theme.selector.empty.container)
             .named("empty matches");
         }
 
@@ -259,9 +259,9 @@ impl ThemeSelector {
             .boxed(),
         )
         .with_style(if index == self.selected_index {
-            &theme.selector.active_item.container
+            theme.selector.active_item.container
         } else {
-            &theme.selector.item.container
+            theme.selector.item.container
         });
 
         container.boxed()
@@ -288,7 +288,7 @@ impl View for ThemeSelector {
                         .with_child(Flexible::new(1.0, self.render_matches(cx)).boxed())
                         .boxed(),
                 )
-                .with_style(&settings.theme.selector.container)
+                .with_style(settings.theme.selector.container)
                 .boxed(),
             )
             .with_max_width(600.0)

zed/src/user.rs 🔗

@@ -1,22 +1,77 @@
-use crate::rpc::Client;
-use anyhow::{anyhow, Result};
+use crate::{
+    http::{HttpClient, Method, Request, Url},
+    rpc::{Client, Status},
+    util::TryFutureExt,
+};
+use anyhow::{anyhow, Context, Result};
+use futures::future;
+use gpui::{executor, ImageData, Task};
 use parking_lot::Mutex;
-use std::{collections::HashMap, sync::Arc};
+use postage::{oneshot, prelude::Stream, sink::Sink, watch};
+use std::{
+    collections::HashMap,
+    sync::{Arc, Weak},
+};
 use zrpc::proto;
 
-pub use proto::User;
+#[derive(Debug)]
+pub struct User {
+    pub id: u64,
+    pub github_login: String,
+    pub avatar: Option<Arc<ImageData>>,
+}
 
 pub struct UserStore {
     users: Mutex<HashMap<u64, Arc<User>>>,
+    current_user: watch::Receiver<Option<Arc<User>>>,
     rpc: Arc<Client>,
+    http: Arc<dyn HttpClient>,
+    _maintain_current_user: Task<()>,
 }
 
 impl UserStore {
-    pub fn new(rpc: Arc<Client>) -> Self {
-        Self {
+    pub fn new(
+        rpc: Arc<Client>,
+        http: Arc<dyn HttpClient>,
+        executor: &executor::Background,
+    ) -> Arc<Self> {
+        let (mut current_user_tx, current_user_rx) = watch::channel();
+        let (mut this_tx, mut this_rx) = oneshot::channel::<Weak<Self>>();
+        let this = Arc::new(Self {
             users: Default::default(),
-            rpc,
-        }
+            current_user: current_user_rx,
+            rpc: rpc.clone(),
+            http,
+            _maintain_current_user: executor.spawn(async move {
+                let this = if let Some(this) = this_rx.recv().await {
+                    this
+                } else {
+                    return;
+                };
+                let mut status = rpc.status();
+                while let Some(status) = status.recv().await {
+                    match status {
+                        Status::Connected { .. } => {
+                            if let Some((this, user_id)) = this.upgrade().zip(rpc.user_id()) {
+                                current_user_tx
+                                    .send(this.fetch_user(user_id).log_err().await)
+                                    .await
+                                    .ok();
+                            }
+                        }
+                        Status::SignedOut => {
+                            current_user_tx.send(None).await.ok();
+                        }
+                        _ => {}
+                    }
+                }
+            }),
+        });
+        let weak = Arc::downgrade(&this);
+        executor
+            .spawn(async move { this_tx.send(weak).await })
+            .detach();
+        this
     }
 
     pub async fn load_users(&self, mut user_ids: Vec<u64>) -> Result<()> {
@@ -27,8 +82,15 @@ impl UserStore {
 
         if !user_ids.is_empty() {
             let response = self.rpc.request(proto::GetUsers { user_ids }).await?;
+            let new_users = future::join_all(
+                response
+                    .users
+                    .into_iter()
+                    .map(|user| User::new(user, self.http.as_ref())),
+            )
+            .await;
             let mut users = self.users.lock();
-            for user in response.users {
+            for user in new_users {
                 users.insert(user.id, Arc::new(user));
             }
         }
@@ -36,24 +98,48 @@ impl UserStore {
         Ok(())
     }
 
-    pub async fn get_user(&self, user_id: u64) -> Result<Arc<User>> {
+    pub async fn fetch_user(&self, user_id: u64) -> Result<Arc<User>> {
         if let Some(user) = self.users.lock().get(&user_id).cloned() {
             return Ok(user);
         }
 
-        let response = self
-            .rpc
-            .request(proto::GetUsers {
-                user_ids: vec![user_id],
-            })
-            .await?;
-
-        if let Some(user) = response.users.into_iter().next() {
-            let user = Arc::new(user);
-            self.users.lock().insert(user_id, user.clone());
-            Ok(user)
-        } else {
-            Err(anyhow!("server responded with no users"))
+        self.load_users(vec![user_id]).await?;
+        self.users
+            .lock()
+            .get(&user_id)
+            .cloned()
+            .ok_or_else(|| anyhow!("server responded with no users"))
+    }
+
+    pub fn current_user(&self) -> &watch::Receiver<Option<Arc<User>>> {
+        &self.current_user
+    }
+}
+
+impl User {
+    async fn new(message: proto::User, http: &dyn HttpClient) -> Self {
+        User {
+            id: message.id,
+            github_login: message.github_login,
+            avatar: fetch_avatar(http, &message.avatar_url).log_err().await,
         }
     }
 }
+
+async fn fetch_avatar(http: &dyn HttpClient, url: &str) -> Result<Arc<ImageData>> {
+    let url = Url::parse(url).with_context(|| format!("failed to parse avatar url {:?}", url))?;
+    let mut request = Request::new(Method::Get, url);
+    request.middleware(surf::middleware::Redirect::default());
+
+    let mut response = http
+        .send(request)
+        .await
+        .map_err(|e| anyhow!("failed to send user avatar request: {}", e))?;
+    let bytes = response
+        .body_bytes()
+        .await
+        .map_err(|e| anyhow!("failed to read user avatar response body: {}", e))?;
+    let format = image::guess_format(&bytes)?;
+    let image = image::load_from_memory_with_format(&bytes, format)?.into_bgra8();
+    Ok(ImageData::new(image))
+}

zed/src/workspace.rs 🔗

@@ -10,8 +10,9 @@ use crate::{
     project_browser::ProjectBrowser,
     rpc,
     settings::Settings,
+    user,
     worktree::{File, Worktree},
-    AppState,
+    AppState, Authenticate,
 };
 use anyhow::{anyhow, Result};
 use gpui::{
@@ -20,7 +21,7 @@ use gpui::{
     geometry::{rect::RectF, vector::vec2f},
     json::to_string_pretty,
     keymap::Binding,
-    platform::WindowOptions,
+    platform::{CursorStyle, WindowOptions},
     AnyViewHandle, AppContext, ClipboardItem, Entity, ModelHandle, MutableAppContext,
     PathPromptOptions, PromptLevel, RenderContext, Task, View, ViewContext, ViewHandle,
     WeakModelHandle,
@@ -28,9 +29,8 @@ use gpui::{
 use log::error;
 pub use pane::*;
 pub use pane_group::*;
-use postage::watch;
+use postage::{prelude::Stream, watch};
 use sidebar::{Side, Sidebar, ToggleSidebarItem};
-use smol::prelude::*;
 use std::{
     collections::{hash_map::Entry, HashMap, HashSet},
     future::Future,
@@ -341,6 +341,7 @@ pub struct Workspace {
     pub settings: watch::Receiver<Settings>,
     languages: Arc<LanguageRegistry>,
     rpc: Arc<rpc::Client>,
+    user_store: Arc<user::UserStore>,
     fs: Arc<dyn Fs>,
     modal: Option<AnyViewHandle>,
     center: PaneGroup,
@@ -354,6 +355,7 @@ pub struct Workspace {
         (usize, Arc<Path>),
         postage::watch::Receiver<Option<Result<Box<dyn ItemHandle>, Arc<anyhow::Error>>>>,
     >,
+    _observe_current_user: Task<()>,
 }
 
 impl Workspace {
@@ -387,6 +389,23 @@ impl Workspace {
         );
         right_sidebar.add_item("icons/user-16.svg", cx.add_view(|_| ProjectBrowser).into());
 
+        let mut current_user = app_state.user_store.current_user().clone();
+        let mut connection_status = app_state.rpc.status().clone();
+        let _observe_current_user = cx.spawn_weak(|this, mut cx| async move {
+            current_user.recv().await;
+            connection_status.recv().await;
+            let mut stream =
+                Stream::map(current_user, drop).merge(Stream::map(connection_status, drop));
+
+            while stream.recv().await.is_some() {
+                cx.update(|cx| {
+                    if let Some(this) = this.upgrade(&cx) {
+                        this.update(cx, |_, cx| cx.notify());
+                    }
+                })
+            }
+        });
+
         Workspace {
             modal: None,
             center: PaneGroup::new(pane.id()),
@@ -395,12 +414,14 @@ impl Workspace {
             settings: app_state.settings.clone(),
             languages: app_state.languages.clone(),
             rpc: app_state.rpc.clone(),
+            user_store: app_state.user_store.clone(),
             fs: app_state.fs.clone(),
             left_sidebar,
             right_sidebar,
             worktrees: Default::default(),
             items: Default::default(),
             loading_items: Default::default(),
+            _observe_current_user,
         }
     }
 
@@ -625,7 +646,7 @@ impl Workspace {
                 if let Some(load_result) = watch.borrow().as_ref() {
                     break load_result.clone();
                 }
-                watch.next().await;
+                watch.recv().await;
             };
 
             this.update(&mut cx, |this, cx| {
@@ -936,6 +957,68 @@ impl Workspace {
     pub fn active_pane(&self) -> &ViewHandle<Pane> {
         &self.active_pane
     }
+
+    fn render_connection_status(&self) -> Option<ElementBox> {
+        let theme = &self.settings.borrow().theme;
+        match &*self.rpc.status().borrow() {
+            rpc::Status::ConnectionError
+            | rpc::Status::ConnectionLost
+            | rpc::Status::Reauthenticating
+            | rpc::Status::Reconnecting { .. }
+            | rpc::Status::ReconnectionError { .. } => Some(
+                Container::new(
+                    Align::new(
+                        ConstrainedBox::new(
+                            Svg::new("icons/offline-14.svg")
+                                .with_color(theme.workspace.titlebar.icon_color)
+                                .boxed(),
+                        )
+                        .with_width(theme.workspace.titlebar.offline_icon.width)
+                        .boxed(),
+                    )
+                    .boxed(),
+                )
+                .with_style(theme.workspace.titlebar.offline_icon.container)
+                .boxed(),
+            ),
+            _ => None,
+        }
+    }
+
+    fn render_avatar(&self, cx: &mut RenderContext<Self>) -> ElementBox {
+        let theme = &self.settings.borrow().theme;
+        let avatar = if let Some(avatar) = self
+            .user_store
+            .current_user()
+            .borrow()
+            .as_ref()
+            .and_then(|user| user.avatar.clone())
+        {
+            Image::new(avatar)
+                .with_style(theme.workspace.titlebar.avatar)
+                .boxed()
+        } else {
+            MouseEventHandler::new::<Authenticate, _, _, _>(0, cx, |_, _| {
+                Svg::new("icons/signed-out-12.svg")
+                    .with_color(theme.workspace.titlebar.icon_color)
+                    .boxed()
+            })
+            .on_click(|cx| cx.dispatch_action(Authenticate))
+            .with_cursor_style(CursorStyle::PointingHand)
+            .boxed()
+        };
+
+        ConstrainedBox::new(
+            Align::new(
+                ConstrainedBox::new(avatar)
+                    .with_width(theme.workspace.titlebar.avatar_width)
+                    .boxed(),
+            )
+            .boxed(),
+        )
+        .with_width(theme.workspace.right_sidebar.width)
+        .boxed()
+    }
 }
 
 impl Entity for Workspace {
@@ -955,15 +1038,30 @@ impl View for Workspace {
                 .with_child(
                     ConstrainedBox::new(
                         Container::new(
-                            Align::new(
-                                Label::new(
-                                    "zed".into(), 
-                                    theme.workspace.titlebar.label.clone()
-                                ).boxed()
-                            )
-                            .boxed()
+                            Stack::new()
+                                .with_child(
+                                    Align::new(
+                                        Label::new(
+                                            "zed".into(),
+                                            theme.workspace.titlebar.title.clone(),
+                                        )
+                                        .boxed(),
+                                    )
+                                    .boxed(),
+                                )
+                                .with_child(
+                                    Align::new(
+                                        Flex::row()
+                                            .with_children(self.render_connection_status())
+                                            .with_child(self.render_avatar(cx))
+                                            .boxed(),
+                                    )
+                                    .right()
+                                    .boxed(),
+                                )
+                                .boxed(),
                         )
-                        .with_style(&theme.workspace.titlebar.container)
+                        .with_style(theme.workspace.titlebar.container)
                         .boxed(),
                     )
                     .with_height(32.)

zed/src/workspace/pane.rs 🔗

@@ -1,6 +1,14 @@
 use super::{ItemViewHandle, SplitDirection};
 use crate::settings::Settings;
-use gpui::{Border, Entity, MutableAppContext, Quad, RenderContext, View, ViewContext, ViewHandle, action, color::Color, elements::*, geometry::{rect::RectF, vector::vec2f}, keymap::Binding, platform::CursorStyle};
+use gpui::{
+    action,
+    color::Color,
+    elements::*,
+    geometry::{rect::RectF, vector::vec2f},
+    keymap::Binding,
+    platform::CursorStyle,
+    Border, Entity, MutableAppContext, Quad, RenderContext, View, ViewContext, ViewHandle,
+};
 use postage::watch;
 use std::{cmp, path::Path, sync::Arc};
 
@@ -256,7 +264,7 @@ impl Pane {
                                         )
                                         .boxed(),
                                     )
-                                    .with_style(&ContainerStyle {
+                                    .with_style(ContainerStyle {
                                         margin: Margin {
                                             left: style.spacing,
                                             right: style.spacing,
@@ -283,7 +291,8 @@ impl Pane {
                                                         icon.with_color(style.icon_close).boxed()
                                                     }
                                                 },
-                                            ).with_cursor_style(CursorStyle::PointingHand)
+                                            )
+                                            .with_cursor_style(CursorStyle::PointingHand)
                                             .on_click(move |cx| {
                                                 cx.dispatch_action(CloseItem(item_id))
                                             })
@@ -298,7 +307,7 @@ impl Pane {
                                 )
                                 .boxed(),
                         )
-                        .with_style(&style.container)
+                        .with_style(style.container)
                         .boxed(),
                     )
                     .on_mouse_down(move |cx| {

zed/src/workspace/sidebar.rs 🔗

@@ -75,38 +75,48 @@ impl Sidebar {
         );
         let theme = self.theme(settings);
 
-        Container::new(
-            Flex::column()
-                .with_children(self.items.iter().enumerate().map(|(item_index, item)| {
-                    let theme = if Some(item_index) == self.active_item_ix {
-                        &theme.active_icon
-                    } else {
-                        &theme.icon
-                    };
-                    enum SidebarButton {}
-                    MouseEventHandler::new::<SidebarButton, _, _, _>(item.view.id(), cx, |_, _| {
-                        ConstrainedBox::new(
-                            Align::new(
+        ConstrainedBox::new(
+            Container::new(
+                Flex::column()
+                    .with_children(self.items.iter().enumerate().map(|(item_index, item)| {
+                        let theme = if Some(item_index) == self.active_item_ix {
+                            &theme.active_icon
+                        } else {
+                            &theme.icon
+                        };
+                        enum SidebarButton {}
+                        MouseEventHandler::new::<SidebarButton, _, _, _>(
+                            item.view.id(),
+                            cx,
+                            |_, _| {
                                 ConstrainedBox::new(
-                                    Svg::new(item.icon_path).with_color(theme.color).boxed(),
+                                    Align::new(
+                                        ConstrainedBox::new(
+                                            Svg::new(item.icon_path)
+                                                .with_color(theme.color)
+                                                .boxed(),
+                                        )
+                                        .with_height(theme.height)
+                                        .boxed(),
+                                    )
+                                    .boxed(),
                                 )
-                                .with_height(theme.height)
-                                .boxed(),
-                            )
-                            .boxed(),
+                                .with_height(line_height + 16.0)
+                                .boxed()
+                            },
                         )
-                        .with_height(line_height + 16.0)
+                        .with_cursor_style(CursorStyle::PointingHand)
+                        .on_mouse_down(move |cx| {
+                            cx.dispatch_action(ToggleSidebarItem(ToggleArg { side, item_index }))
+                        })
                         .boxed()
-                    })
-                    .with_cursor_style(CursorStyle::PointingHand)
-                    .on_mouse_down(move |cx| {
-                        cx.dispatch_action(ToggleSidebarItem(ToggleArg { side, item_index }))
-                    })
-                    .boxed()
-                }))
-                .boxed(),
+                    }))
+                    .boxed(),
+            )
+            .with_style(theme.container)
+            .boxed(),
         )
-        .with_style(&theme.container)
+        .with_width(theme.width)
         .boxed()
     }
 
@@ -155,7 +165,7 @@ impl Sidebar {
         let side = self.side;
         MouseEventHandler::new::<Self, _, _, _>(self.side.id(), &mut cx, |_, _| {
             Container::new(Empty::new().boxed())
-                .with_style(&self.theme(settings).resize_handle)
+                .with_style(self.theme(settings).resize_handle)
                 .boxed()
         })
         .with_padding(Padding {

zrpc/src/conn.rs 🔗

@@ -2,7 +2,7 @@ use async_tungstenite::tungstenite::{Error as WebSocketError, Message as WebSock
 use futures::{channel::mpsc, SinkExt as _, Stream, StreamExt as _};
 use std::{io, task::Poll};
 
-pub struct Conn {
+pub struct Connection {
     pub(crate) tx:
         Box<dyn 'static + Send + Unpin + futures::Sink<WebSocketMessage, Error = WebSocketError>>,
     pub(crate) rx: Box<
@@ -13,7 +13,7 @@ pub struct Conn {
     >,
 }
 
-impl Conn {
+impl Connection {
     pub fn new<S>(stream: S) -> Self
     where
         S: 'static

zrpc/src/lib.rs 🔗

@@ -2,5 +2,5 @@ pub mod auth;
 mod conn;
 mod peer;
 pub mod proto;
-pub use conn::Conn;
+pub use conn::Connection;
 pub use peer::*;

zrpc/src/peer.rs 🔗

@@ -1,5 +1,5 @@
 use super::proto::{self, AnyTypedEnvelope, EnvelopedMessage, MessageStream, RequestMessage};
-use super::Conn;
+use super::Connection;
 use anyhow::{anyhow, Context, Result};
 use async_lock::{Mutex, RwLock};
 use futures::FutureExt as _;
@@ -79,12 +79,12 @@ impl<T: RequestMessage> TypedEnvelope<T> {
 }
 
 pub struct Peer {
-    connections: RwLock<HashMap<ConnectionId, Connection>>,
+    connections: RwLock<HashMap<ConnectionId, ConnectionState>>,
     next_connection_id: AtomicU32,
 }
 
 #[derive(Clone)]
-struct Connection {
+struct ConnectionState {
     outgoing_tx: mpsc::Sender<proto::Envelope>,
     next_message_id: Arc<AtomicU32>,
     response_channels: Arc<Mutex<HashMap<u32, mpsc::Sender<proto::Envelope>>>>,
@@ -100,7 +100,7 @@ impl Peer {
 
     pub async fn add_connection(
         self: &Arc<Self>,
-        conn: Conn,
+        connection: Connection,
     ) -> (
         ConnectionId,
         impl Future<Output = anyhow::Result<()>> + Send,
@@ -112,16 +112,16 @@ impl Peer {
         );
         let (mut incoming_tx, incoming_rx) = mpsc::channel(64);
         let (outgoing_tx, mut outgoing_rx) = mpsc::channel(64);
-        let connection = Connection {
+        let connection_state = ConnectionState {
             outgoing_tx,
             next_message_id: Default::default(),
             response_channels: Default::default(),
         };
-        let mut writer = MessageStream::new(conn.tx);
-        let mut reader = MessageStream::new(conn.rx);
+        let mut writer = MessageStream::new(connection.tx);
+        let mut reader = MessageStream::new(connection.rx);
 
         let this = self.clone();
-        let response_channels = connection.response_channels.clone();
+        let response_channels = connection_state.response_channels.clone();
         let handle_io = async move {
             loop {
                 let read_message = reader.read_message().fuse();
@@ -179,7 +179,7 @@ impl Peer {
         self.connections
             .write()
             .await
-            .insert(connection_id, connection);
+            .insert(connection_id, connection_state);
 
         (connection_id, handle_io, incoming_rx)
     }
@@ -218,7 +218,7 @@ impl Peer {
         let this = self.clone();
         let (tx, mut rx) = mpsc::channel(1);
         async move {
-            let mut connection = this.connection(receiver_id).await?;
+            let mut connection = this.connection_state(receiver_id).await?;
             let message_id = connection
                 .next_message_id
                 .fetch_add(1, atomic::Ordering::SeqCst);
@@ -252,7 +252,7 @@ impl Peer {
     ) -> impl Future<Output = Result<()>> {
         let this = self.clone();
         async move {
-            let mut connection = this.connection(receiver_id).await?;
+            let mut connection = this.connection_state(receiver_id).await?;
             let message_id = connection
                 .next_message_id
                 .fetch_add(1, atomic::Ordering::SeqCst);
@@ -272,7 +272,7 @@ impl Peer {
     ) -> impl Future<Output = Result<()>> {
         let this = self.clone();
         async move {
-            let mut connection = this.connection(receiver_id).await?;
+            let mut connection = this.connection_state(receiver_id).await?;
             let message_id = connection
                 .next_message_id
                 .fetch_add(1, atomic::Ordering::SeqCst);
@@ -291,7 +291,7 @@ impl Peer {
     ) -> impl Future<Output = Result<()>> {
         let this = self.clone();
         async move {
-            let mut connection = this.connection(receipt.sender_id).await?;
+            let mut connection = this.connection_state(receipt.sender_id).await?;
             let message_id = connection
                 .next_message_id
                 .fetch_add(1, atomic::Ordering::SeqCst);
@@ -310,7 +310,7 @@ impl Peer {
     ) -> impl Future<Output = Result<()>> {
         let this = self.clone();
         async move {
-            let mut connection = this.connection(receipt.sender_id).await?;
+            let mut connection = this.connection_state(receipt.sender_id).await?;
             let message_id = connection
                 .next_message_id
                 .fetch_add(1, atomic::Ordering::SeqCst);
@@ -322,10 +322,10 @@ impl Peer {
         }
     }
 
-    fn connection(
+    fn connection_state(
         self: &Arc<Self>,
         connection_id: ConnectionId,
-    ) -> impl Future<Output = Result<Connection>> {
+    ) -> impl Future<Output = Result<ConnectionState>> {
         let this = self.clone();
         async move {
             let connections = this.connections.read().await;
@@ -352,12 +352,12 @@ mod tests {
             let client1 = Peer::new();
             let client2 = Peer::new();
 
-            let (client1_to_server_conn, server_to_client_1_conn, _) = Conn::in_memory();
+            let (client1_to_server_conn, server_to_client_1_conn, _) = Connection::in_memory();
             let (client1_conn_id, io_task1, _) =
                 client1.add_connection(client1_to_server_conn).await;
             let (_, io_task2, incoming1) = server.add_connection(server_to_client_1_conn).await;
 
-            let (client2_to_server_conn, server_to_client_2_conn, _) = Conn::in_memory();
+            let (client2_to_server_conn, server_to_client_2_conn, _) = Connection::in_memory();
             let (client2_conn_id, io_task3, _) =
                 client2.add_connection(client2_to_server_conn).await;
             let (_, io_task4, incoming2) = server.add_connection(server_to_client_2_conn).await;
@@ -486,7 +486,7 @@ mod tests {
     #[test]
     fn test_disconnect() {
         smol::block_on(async move {
-            let (client_conn, mut server_conn, _) = Conn::in_memory();
+            let (client_conn, mut server_conn, _) = Connection::in_memory();
 
             let client = Peer::new();
             let (connection_id, io_handler, mut incoming) =
@@ -520,7 +520,7 @@ mod tests {
     #[test]
     fn test_io_error() {
         smol::block_on(async move {
-            let (client_conn, server_conn, _) = Conn::in_memory();
+            let (client_conn, server_conn, _) = Connection::in_memory();
             drop(server_conn);
 
             let client = Peer::new();