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