From: Samir Benmendil <me@rmz.io>
Date: Mon, 10 Aug 2020 20:27:59 +0000 (+0100)
Subject: awesome/mpc: add albumart function
X-Git-Url: https://git.rmz.io/dotfiles.git/commitdiff_plain/9f1e7dfd8aca63ee47257cb2b797a48ac4aeaeff?ds=sidebyside

awesome/mpc: add albumart function

The function will send multiple 'albumart' requests and put together the
binary response, then call the handler.
---

diff --git a/awesome/widgets/mpc.lua b/awesome/widgets/mpc.lua
index 4da4a81..a3c5b87 100644
--- a/awesome/widgets/mpc.lua
+++ b/awesome/widgets/mpc.lua
@@ -235,6 +235,30 @@ function mpc:currentsong()
     return currentsong
 end
 
+local function escape(str)
+    return "\"" .. str .. "\""
+end
+
+function mpc:albumart(uri, handler)
+    local image_table = {}
+    local get_art_at
+    get_art_at = function(off)
+        self:send("albumart " .. escape(uri) .. " " .. tostring(off), function(success, data)
+            if not success then
+                handler(success, data)
+            end
+            table.insert(image_table, data.binary)
+            if data.binary and #data.binary > 0 then
+                get_art_at(off + #data.binary)
+            else
+                data.binary = table.concat(image_table)
+                handler(success, data)
+            end
+        end)
+    end
+    get_art_at(0)
+end
+
 --[[
 
 -- Example on how to use this (standalone)