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contrib.gpmdp: instantiate in factory
[etc/awesome.git] / widget / contrib / moc.lua
1
2 --[[
3                                                                   
4      Licensed under GNU General Public License v2                 
5       * (c) 2014, anticlockwise <http://github.com/anticlockwise> 
6                                                                   
7 --]]
8
9 local helpers      = require("lain.helpers")
10 local shell        = require("awful.util").shell
11 local focused      = require("awful.screen").focused
12 local escape_f     = require("awful.util").escape
13 local naughty      = require("naughty")
14 local wibox        = require("wibox")
15 local os           = { getenv = os.getenv }
16 local string       = { format = string.format,
17                        gmatch = string.gmatch }
18
19 -- MOC audio player
20 -- lain.widget.contrib.moc
21
22 local function factory(args)
23     local moc           = { widget = wibox.widget.textbox() }
24     local args          = args or {}
25     local timeout       = args.timeout or 2
26     local music_dir     = args.music_dir or os.getenv("HOME") .. "/Music"
27     local cover_pattern = args.cover_pattern or "*\\.(jpg|jpeg|png|gif)$"
28     local cover_size    = args.cover_size or 100
29     local default_art   = args.default_art or ""
30     local followtag     = args.followtag or false
31     local settings      = args.settings or function() end
32
33     moc_notification_preset = { title = "Now playing", timeout = 6 }
34
35     helpers.set_map("current moc track", nil)
36
37     function moc.update()
38         helpers.async("mocp -i", function(f)
39             moc_now = {
40                 state   = "N/A",
41                 file    = "N/A",
42                 artist  = "N/A",
43                 title   = "N/A",
44                 album   = "N/A",
45                 elapsed = "N/A",
46                 total   = "N/A"
47             }
48
49             for line in string.gmatch(f, "[^\n]+") do
50                 for k, v in string.gmatch(line, "([%w]+):[%s](.*)$") do
51                     if     k == "State"       then moc_now.state   = v
52                     elseif k == "File"        then moc_now.file    = v
53                     elseif k == "Artist"      then moc_now.artist  = escape_f(v)
54                     elseif k == "SongTitle"   then moc_now.title   = escape_f(v)
55                     elseif k == "Album"       then moc_now.album   = escape_f(v)
56                     elseif k == "CurrentTime" then moc_now.elapsed = escape_f(v)
57                     elseif k == "TotalTime"   then moc_now.total   = escape_f(v)
58                     end
59                 end
60             end
61
62             moc_notification_preset.text = string.format("%s (%s) - %s\n%s", moc_now.artist,
63                                            moc_now.album, moc_now.total, moc_now.title)
64             widget = moc.widget
65             settings()
66
67             if moc_now.state == "PLAY" then
68                 if moc_now.title ~= helpers.get_map("current moc track") then
69                     helpers.set_map("current moc track", moc_now.title)
70
71                     if followtag then moc_notification_preset.screen = focused() end
72
73                     local common =  {
74                         preset      = moc_notification_preset,
75                         icon        = default_art,
76                         icon_size   = cover_size,
77                         replaces_id = moc.id,
78                     }
79
80                     local path   = string.format("%s/%s", music_dir, string.match(moc_now.file, ".*/"))
81                     local cover  = string.format("find '%s' -maxdepth 1 -type f | egrep -i -m1 '%s'", path, cover_pattern)
82                     helpers.async({ shell, "-c", cover }, function(current_icon)
83                         common.icon = current_icon:gsub("\n", "")
84                         moc.id = naughty.notify(common).id
85                     end)
86                 end
87             elseif  moc_now.state ~= "PAUSE" then
88                 helpers.set_map("current moc track", nil)
89             end
90         end)
91     end
92
93     moc.timer = helpers.newtimer("moc", timeout, moc.update, true, true)
94
95     return moc
96 end
97
98 return factory