Merge remote-tracking branch 'qubesos/pr/220'

* qubesos/pr/220:
  code style fixes
  Add domain-paused/-unpaused events

qubes/app.py

@@ -1251,6 +1251,20 @@ class Qubes(qubes.PropertyHolder):
 
         if event == libvirt.VIR_DOMAIN_EVENT_STOPPED:
             vm.on_libvirt_domain_stopped()
+        elif event == libvirt.VIR_DOMAIN_EVENT_SUSPENDED:
+            try:
+                vm.fire_event('domain-paused')
+            except Exception:  # pylint: disable=broad-except
+                self.log.exception(
+                    'Uncaught exception from domain-paused handler '
+                    'for domain %s', vm.name)
+        elif event == libvirt.VIR_DOMAIN_EVENT_RESUMED:
+            try:
+                vm.fire_event('domain-unpaused')
+            except Exception:  # pylint: disable=broad-except
+                self.log.exception(
+                    'Uncaught exception from domain-unpaused handler '
+                    'for domain %s', vm.name)
 
     @qubes.events.handler('domain-pre-delete')
     def on_domain_pre_deleted(self, event, vm):

qubes/vm/qubesvm.py

@@ -187,6 +187,21 @@ class QubesVM(qubes.vm.mix.net.NetVMMixin, qubes.vm.BaseVM):
             :param event: Event name (``'domain-start'``)
 
             *other arguments are as in :py:meth:`start`*
+
+        .. event:: domain-paused (subject, event)
+
+            Fired when the domain has been paused.
+
+            :param subject: Event emitter (the qube object)
+            :param event: Event name (``'domain-paused'``)
+
+        .. event:: domain-unpaused (subject, event)
+
+            Fired when the domain has been unpaused.
+
+            :param subject: Event emitter (the qube object)
+            :param event: Event name (``'domain-unpaused'``)
+
         .. event:: domain-stopped (subject, event)
 
             Fired when domain has been stopped.