[gitg] Add user_query_async to GitgExt.Application

[Jesse van den Kieboom <jessevdk src gnome org>]

commit f3fede091241b25ccc43fbcd1b54c8c5fc0ae06f
Author: Jesse van den Kieboom <jessevdk gnome org>
Date:   Thu Aug 13 08:11:00 2015 +0200

    Add user_query_async to GitgExt.Application

 gitg/gitg-window.vala                 |   19 +++++++++++++++++++
 libgitg-ext/gitg-ext-application.vala |    1 +
 2 files changed, 20 insertions(+), 0 deletions(-)
---
diff --git a/gitg/gitg-window.vala b/gitg/gitg-window.vala
index c33b70e..a51d716 100644
--- a/gitg/gitg-window.vala
+++ b/gitg/gitg-window.vala
@@ -852,6 +852,25 @@ public class Window : Gtk.ApplicationWindow, GitgExt.Application, Initable
                d_infobar.show();
        }
 
+       public async Gtk.ResponseType user_query_async(GitgExt.UserQuery query)
+       {
+               SourceFunc cb = user_query_async.callback;
+               Gtk.ResponseType retval = 0;
+
+               query.response.connect((response) => {
+                       retval = response;
+
+                       Idle.add((owned)cb);
+                       return true;
+               });
+
+               user_query(query);
+
+               yield;
+
+               return retval;
+       }
+
        public void user_query(GitgExt.UserQuery query)
        {
                var dlg = new Gtk.MessageDialog(this,
diff --git a/libgitg-ext/gitg-ext-application.vala b/libgitg-ext/gitg-ext-application.vala
index 03858a5..3269d5e 100644
--- a/libgitg-ext/gitg-ext-application.vala
+++ b/libgitg-ext/gitg-ext-application.vala
@@ -76,6 +76,7 @@ public interface Application : Object
        public abstract GitgExt.Activity? set_activity_by_id(string id);
 
        public abstract void user_query(UserQuery query);
+       public abstract async Gtk.ResponseType user_query_async(UserQuery query);
 
        public abstract void show_infobar(string          primary_msg,
                                          string          secondary_msg,