Save state of volume when shutdown and reboot fix for #3652

shell/hardware/hardwaremanager.py

@@ -21,6 +21,8 @@ import gst
 import gst.interfaces
 
 from hardware.nmclient import NMClient
+from sugar.profile import get_profile
+from sugar import env
 
 _HARDWARE_MANAGER_INTERFACE = 'org.laptop.HardwareManager'
 _HARDWARE_MANAGER_SERVICE = 'org.laptop.HardwareManager'
@@ -80,6 +82,17 @@ class HardwareManager(object):
             logging.error('Cannot mute the audio channel')
         self._mixer.set_mute(self._master, mute)
 
+    def startup(self):
+        if env.is_emulator() is False:
+            profile = get_profile()
+            self.set_volume(profile.sound_volume)
+
+    def shutdown(self):
+        if env.is_emulator() is False:
+            profile = get_profile()
+            profile.sound_volume = self.get_volume()
+            profile.save()
+    
     def set_dcon_freeze(self, frozen):
         if not self._service:
             return

shell/sugar-shell

@@ -147,6 +147,9 @@ if __name__ == '__main__':
 
     main()
 
+    hw_manager = hardwaremanager.get_manager()
+    hw_manager.startup()
+
     try:
         gtk.main()
     except KeyboardInterrupt:

shell/view/home/HomeBox.py

@@ -24,6 +24,7 @@ import gtk
 import hippo
 import dbus
 
+from hardware import hardwaremanager
 from sugar.graphics import style
 from sugar.graphics.xocolor import XoColor
 from sugar.graphics.palette import Palette, CanvasInvoker
@@ -169,6 +170,9 @@ class HomeMyIcon(MyIcon):
 
         pm = self._get_power_manager()
 
+        hw_manager = hardwaremanager.get_manager()
+        hw_manager.shutdown()
+
         if env.is_emulator():
             self._close_emulator()
         else:
@@ -180,6 +184,9 @@ class HomeMyIcon(MyIcon):
 
         pm = self._get_power_manager()
 
+        hw_manager = hardwaremanager.get_manager()
+        hw_manager.shutdown()
+
         if env.is_emulator():
             self._close_emulator()
         else: