Merge pull request #206 from Kirogo/master

Added gpmdp widget

widgets/contrib/gpmdp.lua

@@ -0,0 +1,105 @@
+
+--[[
+
+        Licensed under GNU General Public License v2
+        * (c) 2016, Alexandre Terrien
+
+--]]
+
+local helpers       = require("lain.helpers")
+local json          = require("lain.util.dkjson")
+
+local pread         = require("awful.util").pread
+
+local naughty       = require("naughty")
+local wibox         = require("wibox")
+
+local mouse         = mouse
+
+local setmetatable = setmetatable
+
+-- Google Play Music Desktop infos
+-- lain.widget.contrib.gpmdp
+local gpmdp = {}
+
+local function worker(args)
+    local args          = args or {}
+    local timeout       = args.timeout or 2
+    local notify        = args.notify or "off"
+    local followmouse   = args.followmouse or false
+    local file_location = args.file_location or
+        os.getenv("HOME") .. "/.config/Google Play Music Desktop Player/json_store/playback.json"
+    local settings      = args.settings or function() end
+
+    gpmdp.widget = wibox.widget.textbox('')
+
+    gpmdp_notification_preset = {
+        title   = "Now playing",
+        timeout = 6
+    }
+
+    helpers.set_map("gpmpd_current", nil)
+
+    function gpmdp.update()
+        file, err = io.open(file_location, "r")
+        if not file
+        then
+            gpm_now = {
+                running = false,
+                playing = false
+            }
+        else
+            dict, pos, err = json.decode(file:read "*a", 1, nil)
+            file:close()
+            gpm_now = {}
+            gpm_now.artist      = dict.song.artist
+            gpm_now.album       = dict.song.album
+            gpm_now.title       = dict.song.title
+            gpm_now.cover_url   = dict.song.albumArt
+            gpm_now.playing     = dict.playing
+        end
+        if (pread("pidof 'Google Play Music Desktop Player'") ~= '') then
+            gpm_now.running = true
+        else
+            gpm_now.running = false
+        end
+
+        gpmdp_notification_preset.text = string.format(
+                                        "%s (%s) - %s",
+                                        gpm_now.artist,
+                                        gpm_now.album,
+                                        gpm_now.title)
+        widget = gpmdp.widget
+        settings()
+
+        if gpm_now.playing
+        then
+            if notify == "on" and gpm_now.title ~= helpers.get_map("gpmpd_current")
+            then
+                helpers.set_map("gpmpd_current", gpm_now.title)
+
+                current_icon = "/tmp/gpmcover.png"
+                os.execute("curl " .. gpm_now.cover_url .. " -o " .. current_icon)
+
+                if followmouse then
+                    gpmdp_notification_preset.screen = mouse.screen
+                end
+
+                gpmdp.id = naughty.notify({
+                    preset = gpmdp_notification_preset,
+                    icon = current_icon,
+                    replaces_id = gpmdp.id,
+                }).id
+            end
+        elseif (not gpm_now.running)
+        then
+            helpers.set_map("current mpd track", nil)
+        end
+    end
+
+    helpers.newtimer("gpmdp", timeout, gpmdp.update)
+
+    return setmetatable(gpmdp, { __index = gpmdp.widget })
+end
+
+return setmetatable(gpmdp, { __call = function(_, ...) return worker(...) end })