Indicator initial implementation

Author: sidneibjunior

mic-mute.png

@@ -0,0 +1,88 @@
+#!/usr/bin/python
+
+# This code is an example for a tutorial on Ubuntu Unity/Gnome AppIndicators:
+# http://candidtim.github.io/appindicator/2014/09/13/ubuntu-appindicator-step-by-step.html
+# https://gist.github.com/candidtim/7290a1ad6e465d680b68
+
+import os
+import signal
+import json
+import subprocess
+import re
+import gi
+
+from urllib2 import Request, urlopen # URLError
+
+gi.require_version('Gtk', '3.0')
+gi.require_version('AppIndicator3', '0.1')
+gi.require_version('Notify', '0.7')
+
+from gi.repository import Gtk as gtk
+from gi.repository import AppIndicator3 as appindicator
+from gi.repository import Notify as notify
+
+
+APPINDICATOR_ID = 'micindicator'
+# amixer get Capture | egrep 'Front Left.*?\[o' | egrep -o '\[o.+\]'
+
+class Indicator():
+    def __init__(self):
+        self.indicator = appindicator.Indicator.new(APPINDICATOR_ID, self.get_current_state_icon(), appindicator.IndicatorCategory.SYSTEM_SERVICES)
+        self.indicator.set_status(appindicator.IndicatorStatus.ACTIVE)
+        self.indicator.set_menu(self.build_menu())
+        notify.init(APPINDICATOR_ID)
+
+    def get_current_state_icon(self):
+        if self.get_current_mic_state() == "[off]":
+            icon_name = 'mic-mute.png'
+        else:
+            icon_name = 'mic-on.png'
+        return os.path.join(os.path.dirname(os.path.abspath(__file__)), icon_name)
+
+    def get_current_mic_state(self):
+        ps = subprocess.Popen(("amixer", "get", "Capture"), stdout=subprocess.PIPE)
+        output = subprocess.check_output(('egrep', '-o', '\[o.+\]', '-m', '1'), stdin=ps.stdout)
+        ps.wait()
+        return filter(lambda x: not re.match(r'^\s*$', x), output)
+
+
+    def build_menu(self):
+        menu = gtk.Menu()
+
+        self.item_toggle = gtk.MenuItem('Toggle Microphone')
+        self.item_toggle.connect('activate', self.toggle_mic)
+        menu.append(self.item_toggle)
+
+        self.update_menu_toggle_label()
+
+        item_quit1 = gtk.MenuItem('Quit')
+        item_quit1.connect('activate', self.quit1)
+        menu.append(item_quit1)
+
+        menu.show_all()
+        return menu
+
+
+    def update_menu_toggle_label(self):
+        if self.get_current_mic_state() == "[off]":
+            self.item_toggle.set_label("Turn Microphone On")
+        else:
+            self.item_toggle.set_label("Turn Microphone Off")
+
+
+
+    def toggle_mic(self, _):
+        subprocess.call('amixer set Capture toggle', shell=True)
+        self.indicator.set_icon(self.get_current_state_icon())
+        self.update_menu_toggle_label()
+        
+
+    def quit1(self, _):
+        notify.uninit()
+        gtk.main_quit()
+
+if __name__ == "__main__":
+    Indicator()
+    signal.signal(signal.SIGINT, signal.SIG_DFL)
+    gtk.main()
+