Initial commit

src/widgets/7_mpris.lua

@@ -0,0 +1,77 @@
+local wibox = require('wibox')
+local awful = require('awful')
+local lgi = require('lgi')
+local theme = require('src.theme')
+local mpris = require('src.util.mpris')
+
+local mpris_icon = wibox.widget.imagebox(theme.widget_pause)
+local mpris_widget = wibox.widget.textbox()
+
+local function variant_strip(v)
+    if not tostring(v):find("GLib%.Variant$") then
+        if type(v) == "table" and #v > 0 then
+            v.n = nil
+        end
+        return v
+    end
+
+    if v:is_container() and not v:is_of_type(lgi.GLib.VariantType.VARIANT) then
+        local out = {}
+        local n_children = v:n_children()
+        local idx = 0
+
+        local is_dict = v:is_of_type(lgi.GLib.VariantType.DICTIONARY)
+        while idx < n_children do
+            local val = v:get_child_value(idx)
+            idx = idx + 1
+            if is_dict then
+                local key = val[1]
+                local value = variant_strip(val[2])
+                out[key] = variant_strip(value)
+            else
+                out[idx] = variant_strip(val)
+            end
+        end
+
+        return out
+    else
+        return variant_strip(v.value)
+    end
+end
+
+local function signal_cbk(_conn, _sender, _object_path, _interface_name, _signal_name, params, _user_data)
+    local data = variant_strip(params)
+    if type(data) ~= 'table' or type(data[2]) ~= 'table' then return end
+    data = data[2]
+    if data['PlaybackStatus'] then
+        if data['PlaybackStatus'] == 'Playing' then
+            mpris_icon:set_image(theme.widget_play)
+        elseif data['PlaybackStatus'] == 'Paused' then
+            mpris_icon:set_image(theme.widget_pause)
+        else
+            mpris_icon:set_image(theme.widget_stop)
+            mpris_widget.text = 'Nothing playing'
+        end
+    elseif data['Metadata'] then
+        data = data['Metadata']
+        local title = data['xesam:title'] or ''
+        local artist = (data['xesam:artist'] or {})[1] or ''
+        mpris_widget.text = artist .. ' | ' .. title
+    end
+end
+
+lgi.Gio.bus_get_sync(lgi.Gio.BusType.SESSION):signal_subscribe(
+    nil, 'org.freedesktop.DBus.Properties', 'PropertiesChanged', '/org/mpris/MediaPlayer2',
+    nil, lgi.Gio.DBusSignalFlags.NONE, signal_cbk
+)
+
+local mpris_buttons = awful.util.table.join(
+    awful.button({}, 1, mpris.play_pause),
+    awful.button({}, 2, mpris.previous),
+    awful.button({}, 3, mpris.skip)
+)
+
+mpris_icon:buttons(mpris_buttons)
+mpris_widget:buttons(mpris_buttons)
+
+return { wibox.layout.fixed.horizontal(mpris_icon, mpris_widget) }