Improve eww

modules/home/wayland/apps/eww/bar/scripts/radio

@@ -15,8 +15,9 @@ api="https://www.radiorecord.ru/api"
 unit=eww-radio
 state_dir=${XDG_STATE_HOME:-$HOME/.local/state}/eww
 cache_dir=${XDG_CACHE_HOME:-$HOME/.cache}/eww
+img_dir=$cache_dir/radio-img
 id_file=$state_dir/radio-station
-mkdir -p "$state_dir" "$cache_dir"
+mkdir -p "$state_dir" "$cache_dir" "$img_dir"
 
 station_ids='[507,522,523,536,537,42532,42602]'
 # Extra stations: {id (unique integer >= 1000000), title, stream_hls, icon_fill_white ("" for none)}
@@ -47,6 +48,32 @@ stations() {
   printf '%s\n' "$out"
 }
 
+# GTK loads CSS url() images synchronously on the UI thread: a remote URL
+# freezes the whole daemon until the download finishes (or times out).  eww
+# only ever gets file:// URIs of cached copies.
+local_img() { # URL → file:// URI, "" if unavailable
+  local url=$1 f
+  case $url in
+    file://*) printf '%s' "$url"; return ;;
+    /*) printf 'file://%s' "$url"; return ;;
+    http://* | https://*) ;;
+    *) return ;;
+  esac
+  f=$img_dir/$(cksum <<<"$url" | cut -d' ' -f1)
+  if [[ ! -s $f ]]; then
+    curl -sfL --max-time 5 -o "$f.tmp" "$url" 2>/dev/null && mv "$f.tmp" "$f" || { rm -f "$f.tmp"; return; }
+  fi
+  printf 'file://%s' "$f"
+}
+
+localize_stations() {
+  local url map='{}'
+  while IFS= read -r url; do
+    map=$(jq -c --arg k "$url" --arg v "$(local_img "$url")" '.[$k] = $v' <<<"$map")
+  done < <(jq -r '.[].icon_fill_white // empty' <<<"$STATIONS" | sort -u)
+  STATIONS=$(jq -c --argjson m "$map" 'map(.icon_fill_white = ($m[.icon_fill_white // ""] // ""))' <<<"$STATIONS")
+}
+
 station() { # ID FIELD
   jq -r --argjson id "${1:-0}" --arg f "$2" 'first(.[] | select(.id == $id) | .[$f]) // empty' <<<"$STATIONS"
 }
@@ -141,7 +168,8 @@ song_playing() { # ID → SONG from the station history (radiorecord) or the tit
   if [[ $(station "$id" radiorecord) == true ]]; then
     fetched=$(curl -sf --compressed --max-time 8 "$api/station/history/?id=$id" 2>/dev/null \
       | jq -c '.result.history[0] | {artist: (.artist // ""), song: (.song // ""), image600: (.image600 // "")}' 2>/dev/null)
-    [[ -n $fetched && $fetched != null ]] && SONG=$fetched
+    [[ -n $fetched && $fetched != null ]] \
+      && SONG=$(jq -c --arg i "$(local_img "$(jq -r .image600 <<<"$fetched")")" '.image600 = $i' <<<"$fetched")
   else
     SONG=$(jq -cn --arg t "$(station "$id" title)" '{artist: "", song: $t, image600: ""}')
   fi
@@ -159,7 +187,7 @@ media_event() {
   if [[ -z $player ]]; then
     MEDIA=$default_media MEDIA_PLAYER=""
   elif [[ $player != mpv* ]]; then # the radio and jellyfin are mpv, not "external"
-    MEDIA=$(media_json "$player" "$status" "$artist" "$title" "$art")
+    MEDIA=$(media_json "$player" "$status" "$artist" "$title" "$(local_img "$art")")
     MEDIA_PLAYER=$player
   fi
 }
@@ -206,7 +234,9 @@ refresh() {
 }
 
 status_loop() {
+  find "$img_dir" -type f -mtime +7 -delete 2>/dev/null
   STATIONS=$(stations)
+  localize_stations
   SONG=$default_song MEDIA=$default_media MEDIA_PLAYER="" PLAYING="" LAST_SONG=0 LAST_VOL=""
   refresh
   mux_init