local GLib = lgi.GLib
local Gio = lgi.Gio
+local trace_mpc = false
+
local mpc = {}
local function parse_password(host)
_error_handler = error_handler or function() end,
_connected = false,
_try_reconnect = false,
- _idle_commands = { ... }
+ _idle_subsystems = { ... }
}, { __index = mpc })
self:_connect()
return self
end
+function mpc:_write(command)
+ if trace_mpc then
+ print("write: " .. command)
+ end
+ self._output:write(command .. "\n")
+end
+
function mpc:_error(err)
self._connected = false
self._error_handler(err)
table.remove(self._reply_handlers, 1)
self._pending_reply = {}
handler(success, arg)
+
+ if next(self._reply_handlers) == nil then
+ self:_start_idle()
+ end
else
local _, _, key, value = string.find(line, "([^:]+):%s(.+)")
if key then
- if key == "binary" then
+ local k = string.lower(key)
+ if k == "binary" then
value = tonumber(value)
local data = {}
while value > 0 do
value = value - #b
end
local w = obj:read_bytes(1) -- read newline at end of binary
- self._pending_reply[string.lower(key)] = table.concat(data)
+ self._pending_reply[k] = table.concat(data)
+ elseif k == "changed" then
+ if not self._pending_reply[k] then
+ self._pending_reply[k] = {}
+ end
+
+ self._pending_reply[k][value] = true
else
- self._pending_reply[string.lower(key)] = value
+ self._pending_reply[k] = value
end
end
end
end
do_read()
- -- To synchronize the state on startup, send the idle commands now. As a
- -- side effect, this will enable idle state.
- self:_send_idle_commands(true)
-
- return self
-end
-
-function mpc:_send_idle_commands(skip_stop_idle)
- -- We use a ping to unset this to make sure we never get into a busy
- -- loop sending idle / unidle commands. Next call to
- -- _send_idle_commands() might be ignored!
- if self._idle_commands_pending then
- return
- end
- if not skip_stop_idle then
- self:_stop_idle()
+ -- To synchronize the state on startup, send the idle commands now.
+ for i = 1, #self._idle_subsystems, 2 do
+ self._idle_subsystems[i+1](self)
end
- self._idle_commands_pending = true
- for i = 1, #self._idle_commands, 2 do
- self:_send(self._idle_commands[i], self._idle_commands[i+1])
- end
- self:_send("ping", function()
- self._idle_commands_pending = false
- end)
- self:_start_idle()
+ return self
end
function mpc:_start_idle()
if self._idle then
- error("Still idle?!")
+ error("start_idle but already idle")
end
self:_send("idle", function(success, reply)
+ self._idle = false
if reply.changed then
-- idle mode was disabled by mpd
- self:_send_idle_commands()
+ for i = 1, #self._idle_subsystems, 2 do
+ local subsys = self._idle_subsystems[i]
+ if reply.changed[subsys] then
+ self._idle_subsystems[i+1](self)
+ end
+ end
end
end)
self._idle = true
function mpc:_stop_idle()
if not self._idle then
- error("Not idle?!")
+ error("stop_idle but not idle")
end
- self._output:write("noidle\n")
+ self:_write("noidle")
self._idle = false
end
if self._idle then
error("Still idle in send()?!")
end
- self._output:write(command .. "\n")
+ self:_write(command)
table.insert(self._reply_handlers, callback or function() end)
end
if not self._connected then
return
end
- local args = { ... }
- if not self._idle then
- error("Something is messed up, we should be idle here...")
+ if self._idle then
+ self:_stop_idle()
end
- self:_stop_idle()
+ local args = { ... }
for i = 1, #args, 2 do
self:_send(args[i], args[i+1])
end
- self:_start_idle()
end
function mpc:toggle_play()
return sec_to_min(elapsed) .. "/" .. sec_to_min(duration)
end
-function widget:get_info(callback)
- local status = nil
- self._connection:send("status", function(_, s) status = s end)
-
- local song = nil
-
- self._connection:send("currentsong", function(_, s)
- song = s
- self._connection:albumart(song.file, function(_, art)
- local info = {}
- if art and art.binary then
- info.icon = '/tmp/test.jpg'
- local f = io.open(info.icon, 'w')
- f:write(art.binary)
- f:close()
- end
-
- info.title = status.state .. " " .. status.song .. "/" .. status.playlistlength .. " " .. song_duration(status.elapsed, status.duration)
- if not song.artist then
- info.text = string.format("%s", song.title or song.file)
- else
- info.text = string.format("%s - %s", song.artist, song.title)
- end
- if song.album then
- info.text = info.text .. "\n" .. tostring(song.album or "")
- end
- callback(info)
- end)
- end)
+local dbg = require("gears.debug")
+function widget:get_albumart()
+ local art = self._albumart
+ -- dbg.dump(art)
+ -- dbg.dump(self._albumart.binary)
+ if art and art.binary then
+ local path = '/tmp/test.jpg'
+ local f = io.open(path, 'w')
+ f:write(art.binary)
+ f:close()
+ return path
+ else
+ return beautiful.mpd_default_album
+ end
+end
+
+function widget:get_info()
+ local info = {}
+ local status, song = self._status, self._currentsong
+ info.title = status.state .. " " .. status.song .. "/" .. status.playlistlength .. " " .. song_duration(status.elapsed, status.duration)
+ if not song.artist then
+ info.text = string.format("%s", song.title or song.file)
+ else
+ info.text = string.format("%s - %s", song.artist, song.title)
+ end
+ if song.album then
+ info.text = info.text .. "\n" .. tostring(song.album or "")
+ end
+
+ return info
end
function widget:popup_show()
- self:get_info(function(table)
- if self._notification then return end
- self._notification = naughty.notify(
- { title = table.title
- , icon = table.icon or beautiful.mpd_default_album
- , icon_size = 64
- , text = table.text
- , timeout = 0
- , destroy = function() self._timer:stop(); self._notification = nil end
- })
- self._timer:start()
- end)
+ if self._notification then return end
+ local table = self:get_info()
+ self._timer:start()
+ self._notification = naughty.notify(
+ { title = table.title
+ , icon = self:get_albumart()
+ , icon_size = 64
+ , text = table.text
+ , timeout = 0
+ , destroy = function() self._timer:stop(); self._notification = nil end
+ })
end
function widget:popup_hide(delay)
end
function widget:popup_update()
- self:get_info(function(table)
+ if not self._notification then return end
+ self._connection:send("status", function(_, status)
+ self._status = status
+ local table = self:get_info()
if not self._notification then return end
naughty.replace_text(self._notification, table.title, table.text)
end)
end
function widget:run()
+ self._status = {}
+ self._status.songid = nil
+
self._connection = mpc.new(nil, nil, nil, function(err) self:error_handler(err) end,
- "status", function(_, result)
- if not self._status or result.state ~= self._status.state then
- self._status = result
- self:update_widget()
- self:popup_oneshot(5)
- end
- end,
- "currentsong", function(_, result)
- if not self._currentsong or result.id ~= self._currentsong.id then
- self._currentsong = result
- self:update_widget()
- self:popup_oneshot(5)
- end
+ "player", function(conn)
+ conn:send("status", function(err, status)
+ local songchanged = self._status.songid ~= status.songid
+ self._status = status
+ if not songchanged then
+ self:update_widget()
+ return
+ end
+
+ conn:send("currentsong", function(_, song)
+ self._currentsong = song
+ conn:albumart(song.file, function(_, art)
+ self._albumart = art
+ self:update_widget()
+ self:popup_oneshot(5)
+ end)
+ end)
+ end)
end
)