fix 'attempt to index a nil value (global self)'

[etc/awesome.git] / widgets / contrib / gpmdp.lua

diff --git a/widgets/contrib/gpmdp.lua b/widgets/contrib/gpmdp.lua
index ee40a8d108fa6c5f42d21bf6bccd7f596e15edda..21776ac9b0ee87c84fd130f3b0eba3c82cfa5dfe 100644 (file)
--- a/widgets/contrib/gpmdp.lua
+++ b/widgets/contrib/gpmdp.lua
@@ -8,16 +8,14 @@
 
 local helpers      = require("lain.helpers")
 local json         = require("lain.util.dkjson")
-
 local focused      = require("awful.screen").focused
 local pread        = require("awful.util").pread
 local naughty      = require("naughty")
 local wibox        = require("wibox")
-
 local next         = next
 local os           = { getenv = os.getenv }
-local setmetatable = setmetatable
 local table        = table
+local setmetatable = setmetatable
 
 -- Google Play Music Desktop infos
 -- lain.widget.contrib.gpmdp
@@ -44,8 +42,7 @@ local function worker(args)
     function gpmdp.update()
         local filelines = helpers.lines_from(file_location)
 
-        if not next(filelines)
-        then
+        if not next(filelines) then
             local gpm_now = { running = false, playing = false }
         else
             dict, pos, err = json.decode(table.concat(filelines), 1, nil)
@@ -67,30 +64,27 @@ local function worker(args)
         widget = gpmdp.widget
         settings()
 
-        if gpm_now.playing
-        then
-            if notify == "on" and gpm_now.title ~= helpers.get_map("gpmdp_current")
-            then
+        if gpm_now.playing then
+            if notify == "on" and gpm_now.title ~= helpers.get_map("gpmdp_current") then
                 helpers.set_map("gpmdp_current", gpm_now.title)
-                os.execute(string.format("curl %d -o /tmp/gpmcover.png", gpm_now.cover_url))
 
-                if followtag then
-                    gpmdp_notification_preset.screen = focused()
-                end
+                if followtag then gpmdp_notification_preset.screen = focused() end
 
-                gpmdp.id = naughty.notify({
-                    preset = gpmdp_notification_preset,
-                    icon = "/tmp/gpmcover.png",
-                    replaces_id = gpmdp.id,
-                }).id
+                helpers.async(string.format("curl %d -o /tmp/gpmcover.png", gpm_now.cover_url),
+                function(f)
+                    gpmdp.id = naughty.notify({
+                        preset = gpmdp_notification_preset,
+                        icon = "/tmp/gpmcover.png",
+                        replaces_id = gpmdp.id
+                    }).id
+                end)
             end
-        elseif not gpm_now.running
-        then
+        elseif not gpm_now.running then
             helpers.set_map("gpmdp_current", nil)
         end
     end
 
-    helpers.newtimer("gpmdp", timeout, gpmdp.update)
+    gpmdp.timer = helpers.newtimer("gpmdp", timeout, gpmdp.update, true, true)
 
     return setmetatable(gpmdp, { __index = gpmdp.widget })
 end