cargo: Drop two dependencies

Cargo.lock

@@ -1307,8 +1307,6 @@ dependencies = [
  "async-channel",
  "async-lock",
  "cairo-rs",
- "futures-channel",
- "futures-lite",
  "gettext-rs",
  "gettext-sys",
  "gio",

Cargo.toml

@@ -20,8 +20,6 @@ ashpd = { version = "0.9.1", features = ["gtk4_wayland"] }
 async-channel = "2.1.0"
 async-lock = "3.4.0"
 cairo-rs = { version = "0.20.0", features = ["pdf"] }
-futures-channel = "0.3.25"
-futures-lite = "2.1.0"
 gettext-rs = { version = "0.7.0", features = ["gettext-system"] }
 gettext-sys = { version = "0.21.3", features = ["gettext-system"] }
 gio = { version = "0.20.0", features = ["v2_74"] }

src/decoder.rs

@@ -24,9 +24,9 @@ pub mod tiling;
 use std::sync::Arc;
 
 use anyhow::Result;
+use async_channel as mpsc;
 pub use formats::RSVG_MAX_SIZE;
 use formats::*;
-use futures_channel::mpsc;
 
 use self::tiling::SharedFrameBuffer;
 use crate::deps::*;
@@ -45,7 +45,7 @@ pub struct TileRequest {
 #[derive(Debug, Clone)]
 /// Signals update to the renderer
 pub struct UpdateSender {
-    sender: mpsc::UnboundedSender<DecoderUpdate>,
+    sender: mpsc::Sender<DecoderUpdate>,
 }
 
 #[derive(Debug)]
@@ -97,10 +97,12 @@ impl glib::value::ToValueOptional for DecoderError {
 
 impl UpdateSender {
     pub fn send(&self, update: DecoderUpdate) {
-        let result = self.sender.unbounded_send(update);
+        let result = self.sender.force_send(update);
 
-        if let Err(err) = result {
+        match result {
-            log::error!("Failed to send update: {err}");
+            Err(err) => log::error!("Failed to send update: {err}"),
+            Ok(Some(msg)) => log::error!("Unexpectedly replaced the message {msg:?}"),
+            _ => {}
         }
     }
 
@@ -159,7 +161,7 @@ impl Decoder {
         file: gio::File,
         mime_type: Option<String>,
         tiles: Arc<SharedFrameBuffer>,
-    ) -> (Self, mpsc::UnboundedReceiver<DecoderUpdate>) {
+    ) -> (Self, mpsc::Receiver<DecoderUpdate>) {
         let (sender, receiver) = mpsc::unbounded();
 
         let update_sender = UpdateSender { sender };

src/widgets/image.rs

@@ -48,7 +48,6 @@ use std::sync::{Arc, LazyLock};
 
 use adw::prelude::*;
 use adw::subclass::prelude::*;
-use futures_lite::StreamExt;
 use glib::subclass::Signal;
 use glib::{Properties, SignalGroup};
 

src/widgets/image/loading.rs

@@ -324,12 +324,12 @@ impl LpImage {
         // Reset background color for reloads
         imp.set_background_color(None);
 
-        let (decoder, mut decoder_update) =
+        let (decoder, decoder_update) =
             Decoder::new(file.clone(), self.metadata().mime_type(), tiles.clone()).await;
 
         let weak_obj = self.downgrade();
         glib::spawn_future_local(async move {
-            while let Some(update) = decoder_update.next().await {
+            while let Ok(update) = decoder_update.recv().await {
                 if let Some(obj) = weak_obj.upgrade() {
                     obj.imp().update(update);
                 }