[gnome-boxes] machine: Add can_restart abstract property

[Zeeshan Ali Khattak <zeeshanak src gnome org>]

commit 664ca02f408ba1efd6f6f419ca6ee7094344b2e3
Author: Visarion Alexandru <viorel visarion gmail com>
Date:   Wed Apr 20 16:38:25 2016 +0300

    machine: Add can_restart abstract property
    
    Add an abstract property which symbolises the property of a machine
    to be able to be restarted.
    
    It's currently false for all the machine types except libvirt.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=745691

 src/libvirt-machine.vala |    1 +
 src/machine.vala         |    1 +
 src/ovirt-machine.vala   |    2 ++
 src/remote-machine.vala  |    1 +
 4 files changed, 5 insertions(+), 0 deletions(-)
---
diff --git a/src/libvirt-machine.vala b/src/libvirt-machine.vala
index 056ac52..9d7f471 100644
--- a/src/libvirt-machine.vala
+++ b/src/libvirt-machine.vala
@@ -31,6 +31,7 @@ private class Boxes.LibvirtMachine: Boxes.Machine {
 
     public override bool suspend_at_exit { get { return connection == App.app.default_connection && 
!run_in_bg; } }
     public override bool can_save { get { return !saving && state != MachineState.SAVED; } }
+    public override bool can_restart { get { return state == MachineState.RUNNING || state == 
MachineState.SAVED; } }
     protected override bool should_autosave {
         get {
             return (base.should_autosave &&
diff --git a/src/machine.vala b/src/machine.vala
index ee55487..c538971 100644
--- a/src/machine.vala
+++ b/src/machine.vala
@@ -15,6 +15,7 @@ private abstract class Boxes.Machine: Boxes.CollectionItem, Boxes.IPropertiesPro
     public virtual bool suspend_at_exit { get { return false; } }
 
     public virtual bool can_save { get { return false; } }
+    public abstract bool can_restart { get; }
     public bool can_delete { get; protected set; default = true; }
     public bool under_construction { get; protected set; default = false; }
 
diff --git a/src/ovirt-machine.vala b/src/ovirt-machine.vala
index eb22c32..807d1d0 100644
--- a/src/ovirt-machine.vala
+++ b/src/ovirt-machine.vala
@@ -3,6 +3,8 @@ using Ovirt;
 using Gtk;
 
 private class Boxes.OvirtMachine: Boxes.Machine {
+    public override bool can_restart { get { return false; } }
+
     private Ovirt.Vm vm;
     private Ovirt.Proxy proxy;
 
diff --git a/src/remote-machine.vala b/src/remote-machine.vala
index 4ef438f..26809f5 100644
--- a/src/remote-machine.vala
+++ b/src/remote-machine.vala
@@ -2,6 +2,7 @@
 using Gtk;
 
 private class Boxes.RemoteMachine: Boxes.Machine, Boxes.IPropertiesProvider {
+    public override bool can_restart { get { return false; } }
 
     public RemoteMachine (CollectionSource source) throws Boxes.Error {
         if (source.source_type != "spice" &&