update

.config/waybar/scripts/spotify-waybar.sh

@@ -0,0 +1,218 @@
+#!/usr/bin/env bash
+set -u
+
+CACHE_DIR="${XDG_CACHE_HOME:-$HOME/.cache}/waybar-spotify"
+ART_URL_FILE="$CACHE_DIR/art_url"
+ART_FILE="$CACHE_DIR/cover.jpg"
+PLAYER=""
+
+mkdir -p "$CACHE_DIR"
+
+json_escape() {
+    local s="$1"
+    s=${s//\\/\\\\}
+    s=${s//\"/\\\"}
+    s=${s//$'\n'/\\n}
+    printf '%s' "$s"
+}
+
+markup_escape() {
+    local s="$1"
+    s=${s//&/&}
+    s=${s//</&lt;}
+    s=${s//>/&gt;}
+    printf '%s' "$s"
+}
+
+icon_markup() {
+    local icon="$1"
+    local color="$2"
+    printf '<span font_desc="SauceCodePro Nerd Font 15" foreground="%s">%s</span>' "$color" "$icon"
+}
+
+truncate_text() {
+    local text="$1"
+    local max_len="$2"
+    if (( ${#text} <= max_len )); then
+        printf '%s' "$text"
+        return
+    fi
+    printf '%s...' "${text:0:max_len-3}"
+}
+
+pick_player() {
+    local candidates
+    local p
+    local c
+
+    mapfile -t candidates < <(playerctl -l 2>/dev/null)
+
+    if (( ${#candidates[@]} == 0 )); then
+        return 1
+    fi
+
+    for c in spotify spotifyd ncspot nspot; do
+        for p in "${candidates[@]}"; do
+            if [[ "$p" == "$c" || "$p" == "$c."* ]]; then
+                PLAYER="$p"
+                return 0
+            fi
+        done
+    done
+
+    PLAYER="${candidates[0]}"
+    return 0
+}
+
+download_cover_if_needed() {
+    local art_url="$1"
+
+    if [[ -z "$art_url" ]]; then
+        return
+    fi
+
+    local old_url=""
+    if [[ -f "$ART_URL_FILE" ]]; then
+        old_url=$(cat "$ART_URL_FILE" 2>/dev/null)
+    fi
+
+    if [[ "$art_url" == "$old_url" ]]; then
+        return
+    fi
+
+    printf '%s' "$art_url" > "$ART_URL_FILE"
+
+    if [[ "$art_url" == file://* ]]; then
+        local local_path="${art_url#file://}"
+        if [[ -f "$local_path" ]]; then
+            cp -f "$local_path" "$ART_FILE" 2>/dev/null || true
+        fi
+        return
+    fi
+
+    if command -v curl >/dev/null 2>&1; then
+        curl -LfsS --max-time 4 "$art_url" -o "$ART_FILE" 2>/dev/null || true
+    fi
+}
+
+open_cover() {
+    if [[ -f "$ART_FILE" ]]; then
+        xdg-open "$ART_FILE" >/dev/null 2>&1 &
+    fi
+}
+
+control_player() {
+    local action="$1"
+    case "$action" in
+        --toggle)
+            playerctl -p "$PLAYER" play-pause >/dev/null 2>&1 || true
+            ;;
+        --next)
+            playerctl -p "$PLAYER" next >/dev/null 2>&1 || true
+            ;;
+        --prev)
+            playerctl -p "$PLAYER" previous >/dev/null 2>&1 || true
+            ;;
+        --stop)
+            playerctl -p "$PLAYER" stop >/dev/null 2>&1 || true
+            ;;
+        --open-art)
+            open_cover
+            ;;
+    esac
+}
+
+if [[ $# -gt 0 ]]; then
+    control_player "$1"
+    exit 0
+fi
+
+if ! command -v playerctl >/dev/null 2>&1; then
+    printf '{"text":"%s","tooltip":"playerctl missing: install playerctl for media controls","class":"idle","alt":"idle"}\n' "$(json_escape "$(icon_markup "" "#A3BE8C")")"
+    exit 0
+fi
+
+if ! pick_player; then
+    printf '{"text":"%s","tooltip":"No active player","class":"idle","alt":"idle"}\n' "$(json_escape "$(icon_markup "" "#A3BE8C")")"
+    exit 0
+fi
+
+status=$(playerctl -p "$PLAYER" status 2>/dev/null || true)
+if [[ -z "$status" ]]; then
+    printf '{"text":"%s","tooltip":"No active player status","class":"idle","alt":"idle"}\n' "$(json_escape "$(icon_markup "" "#A3BE8C")")"
+    exit 0
+fi
+
+title=$(playerctl -p "$PLAYER" metadata xesam:title 2>/dev/null || true)
+artist=$(playerctl -p "$PLAYER" metadata xesam:artist 2>/dev/null || true)
+album=$(playerctl -p "$PLAYER" metadata xesam:album 2>/dev/null || true)
+art_url=$(playerctl -p "$PLAYER" metadata mpris:artUrl 2>/dev/null || true)
+
+state_class=$(printf '%s' "$status" | tr '[:upper:]' '[:lower:]')
+
+if [[ "$state_class" == "stopped" ]]; then
+    text_markup="<span foreground=\"#D8DEE9\">Stopped</span> $(icon_markup "" "#D08770") $(icon_markup "" "#A3BE8C")"
+    printf '{"text":"%s","class":"stopped","alt":"stopped"}\n' "$(json_escape "$text_markup")"
+    exit 0
+fi
+
+if [[ -z "$artist" && -z "$title" ]]; then
+    printf '{"text":"%s","class":"idle","alt":"idle"}\n' "$(json_escape "$(icon_markup "" "#A3BE8C")")"
+    exit 0
+fi
+
+if [[ -z "$title" ]]; then
+    title="Unknown title"
+fi
+if [[ -z "$artist" ]]; then
+    artist="Unknown artist"
+fi
+if [[ -z "$album" ]]; then
+    album="Unknown album"
+fi
+
+download_cover_if_needed "$art_url"
+
+display_track="$(truncate_text "$artist - $title" 52)"
+state_icon=""
+if [[ "$state_class" == "paused" ]]; then
+    state_icon=""
+fi
+
+app_icon=""
+if [[ "$PLAYER" == spotify* || "$PLAYER" == spotifyd* || "$PLAYER" == *ncspot* || "$PLAYER" == *nspot* ]]; then
+    app_icon=""
+fi
+
+track_color="#ECEFF4"
+state_color="#88C0D0"
+app_color="#A3BE8C"
+
+if [[ "$state_class" == "paused" ]]; then
+    track_color="#E5E9F0"
+    state_color="#EBCB8B"
+fi
+
+cover_line="Cover art: unavailable"
+if [[ -f "$ART_FILE" ]]; then
+    cover_line="Cover art: cached (right-click opens image)"
+fi
+
+tooltip=$(cat <<EOF
+$artist
+$title
+$album
+$status
+Player: $PLAYER
+$cover_line
+Left click: play/pause | Scroll: next/prev
+EOF
+)
+
+text_markup="<span foreground=\"$track_color\">$(markup_escape "$display_track")</span> $(icon_markup "$state_icon" "$state_color") $(icon_markup "$app_icon" "$app_color")"
+
+printf '{"text":"%s","tooltip":"%s","class":"%s","alt":"%s"}\n' \
+    "$(json_escape "$text_markup")" \
+    "$(json_escape "$tooltip")" \
+    "$(json_escape "$state_class")" \
+    "$(json_escape "$state_class")"