[tracker] tracker-needle: Make sure apps launch and don't show the desktop file

[Martyn James Russell <mr src gnome org>]

commit 6e1caf9c226496512dee4ac465f374809d5abb24
Author: Martyn Russell <martyn lanedo com>
Date:   Sun Feb 6 11:48:47 2011 +0000

    tracker-needle: Make sure apps launch and don't show the desktop file
    
    Fixes GB#640623, Double-click on application result should start the application

 src/tracker-needle/tracker-needle.vala |   27 +++++++++++++++++++++++++++
 src/tracker-needle/tracker-query.vala  |   12 ++++++------
 2 files changed, 33 insertions(+), 6 deletions(-)
---
diff --git a/src/tracker-needle/tracker-needle.vala b/src/tracker-needle/tracker-needle.vala
index 8366069..6280ba8 100644
--- a/src/tracker-needle/tracker-needle.vala
+++ b/src/tracker-needle/tracker-needle.vala
@@ -689,7 +689,34 @@ public class Tracker.Needle {
 		model.get (iter, col, out uri);
 		debug ("Selected uri:'%s'", uri);
 
+		// Bit of a hack for now if there is no URI scheme, we assume that
+		// the uri is actually a command line to launch.
+		if (uri.index_of ("://") < 1) {
+			var command = uri.split (" ");
+			debug ("Attempting to spawn_async() '%s'", command[0]);
+
+			Pid child_pid;
+			string[] argv = new string[1];
+			argv[0] = command[0];
+
+			try {
+				Process.spawn_async ("/usr/bin",
+				                     argv,
+				                     null, // environment
+				                     SpawnFlags.SEARCH_PATH,
+				                     null, // child_setup
+				                     out child_pid);
+			} catch (Error e) {
+				warning ("Could not launch '%s', %d->%s", command[0], e.code, GLib.strerror (e.code));
+				return;
+			}
+
+			debug ("Launched application with PID:%d", child_pid);
+			return;
+		}
+
 		try {
+			debug ("Attempting to launch application for uri:'%s'", uri);
 			AppInfo.launch_default_for_uri (uri, null);
 		} catch (GLib.Error e) {
 			warning ("Could not launch application: " + e.message);
diff --git a/src/tracker-needle/tracker-query.vala b/src/tracker-needle/tracker-query.vala
index cc9e23d..87c7fd8 100644
--- a/src/tracker-needle/tracker-query.vala
+++ b/src/tracker-needle/tracker-query.vala
@@ -82,15 +82,15 @@ public class Tracker.Query {
 		case Type.APPLICATIONS:
 			query = @"
 			        SELECT
-			          ?urn 
-			          nie:url(?urn) 
-			          tracker:coalesce(nie:title(?urn), nfo:fileName(?urn), \"$unknown\") 
+			          ?urn
+			          tracker:coalesce(nfo:softwareCmdLine(?urn), ?urn)
+			          tracker:coalesce(nie:title(?urn), nfo:fileName(?urn), \"$unknown\")
 			          nie:comment(?urn)
 			        WHERE {
-			          ?urn a nfo:Software .
-			          ?urn fts:match \"$criteria_escaped\" .
+			          ?urn a nfo:Software ;
+			               fts:match \"$criteria_escaped\"
 			        }
-			        ORDER BY DESC(fts:rank(?urn)) DESC(nie:title(?urn)) 
+			        ORDER BY DESC(fts:rank(?urn)) DESC(nie:title(?urn))
 			        OFFSET $offset LIMIT $limit
 			        ";
 			break;