Added playerctl daemon

module/init.lua

@@ -3,5 +3,6 @@ return {
     tiled_wallpaper = require(... .. ".tiled_wallpaper"),
     wallpaper = require(... .. ".wallpaper"),
     flash_focus = require(... .. ".flash_focus"),
-    tabbed = require(... .. ".tabbed")
+    tabbed = require(... .. ".tabbed"),
+    playerctl_daemon = require(... .. ".playerctl_daemon")
 }

module/playerctl_daemon.lua

@@ -0,0 +1,90 @@
+-- Provides:
+-- bling::playerctl::status
+--      playing (boolean)
+-- bling::playerctl::album
+--      album_art (string)
+-- bling::playerctl::title
+--      stdout (string)
+-- bling::playerctl::info
+--      interval_sec (number)
+--      length_sec (number)
+--
+local awful = require("awful")
+local beautiful = require("beautiful")
+
+local update_interval = beautiful.playerctl_album_update_interval or 5
+local interval_status = beautiful.playerctl_position_update_interval or 1
+
+local function emit_player_status()
+    local status_cmd = "playerctl status"
+    awful.widget.watch(status_cmd, interval_status, function(_, stdout)
+        local playing = false
+        if stdout:find("Playing") then
+            playing = true
+        else
+            playing = false
+        end
+        awesome.emit_signal("bling::playerctl::status", playing)
+    end)
+end
+
+local function emit_player_info()
+    local art_script = [[
+sh -c '
+
+tmp_dir="/tmp/awesomewm/bling-playerctl/"
+tmp_cover_path=${tmp_dir}"cover.png"
+
+if [ ! -d $tmp_dir  ]; then
+    mkdir -p $tmp_dir
+fi
+
+link="$(playerctl metadata mpris:artUrl | sed -e 's/open.spotify.com/i.scdn.co/g')"
+
+curl -s "$link" --output $tmp_cover_path
+
+echo $tmp_cover_path
+']]
+
+    local song_title_cmd = "playerctl metadata title"
+    local song_title = "No Song Playing"
+
+    awful.widget.watch(song_title_cmd, update_interval, function(_, stdout)
+        if not (song_title == stdout) then
+            awful.spawn.easy_async_with_shell(art_script, function(out)
+                local album_path = out:gsub('%\n', '')
+                awesome.emit_signal("bling::playerctl::album", album_path)
+            end)
+            song_title = stdout
+        end
+        awesome.emit_signal("bling::playerctl::title", stdout)
+    end)
+
+    local prog_cmd = "playerctl position"
+    local length_cmd = "playerctl metadata mpris:length"
+
+    awful.widget.watch(prog_cmd, interval_status, function(_, interval)
+        awful.spawn.easy_async_with_shell(length_cmd, function(length)
+            local length_sec = tonumber(length) -- in microseconds
+            local interval_sec = tonumber(interval) -- in seconds
+            if length_sec and interval_sec then
+                if interval_sec >= 0 and length_sec > 0 then
+                    awesome.emit_signal("bling::playerctl::position",
+                                        interval_sec, length_sec / 1000000)
+                end
+            end
+        end)
+    end)
+
+end
+
+-- Emit info
+-- emit_player_status()
+-- emit_player_info()
+
+local enable = function()
+    emit_player_status()
+    emit_player_info()
+end
+
+return {enable = enable}