[rygel] core: AsyncReadyCallback.source_object is nullable

[Zeeshan Ali Khattak <zeeshanak src gnome org>]

commit 8700f7c8445a3f39ff590c109d5b7b2572efe42d
Author: Zeeshan Ali (Khattak) <zeeshanak gnome org>
Date:   Sat Sep 19 18:33:00 2009 +0300

    core: AsyncReadyCallback.source_object is nullable
    
    source_object param of AsyncReadyCallback is now nullable.

 src/rygel/rygel-browse.vala            |    4 ++--
 src/rygel/rygel-http-request.vala      |    4 ++--
 src/rygel/rygel-plugin-loader.vala     |    4 ++--
 src/rygel/rygel-seekable-response.vala |    6 +++---
 4 files changed, 9 insertions(+), 9 deletions(-)
---
diff --git a/src/rygel/rygel-browse.vala b/src/rygel/rygel-browse.vala
index 5e0efb3..55952d1 100644
--- a/src/rygel/rygel-browse.vala
+++ b/src/rygel/rygel-browse.vala
@@ -102,7 +102,7 @@ internal class Rygel.Browse: GLib.Object, Rygel.StateMachine {
                                          this.on_media_object_found);
     }
 
-    private void on_media_object_found (Object      source_object,
+    private void on_media_object_found (Object?     source_object,
                                         AsyncResult res) {
         var container = (MediaContainer) source_object;
 
@@ -263,7 +263,7 @@ internal class Rygel.Browse: GLib.Object, Rygel.StateMachine {
                                 this.on_children_fetched);
     }
 
-    private void on_children_fetched (Object      source_object,
+    private void on_children_fetched (Object?     source_object,
                                       AsyncResult res) {
         var container = (MediaContainer) source_object;
 
diff --git a/src/rygel/rygel-http-request.vala b/src/rygel/rygel-http-request.vala
index 2299d7f..09325ba 100644
--- a/src/rygel/rygel-http-request.vala
+++ b/src/rygel/rygel-http-request.vala
@@ -138,8 +138,8 @@ internal class Rygel.HTTPRequest : GLib.Object, Rygel.StateMachine {
         }
     }
 
-    private void on_item_found (GLib.Object source_object,
-                                AsyncResult res) {
+    private void on_item_found (GLib.Object? source_object,
+                                AsyncResult  res) {
         var container = (MediaContainer) source_object;
 
         MediaObject media_object;
diff --git a/src/rygel/rygel-plugin-loader.vala b/src/rygel/rygel-plugin-loader.vala
index f57b2a2..48ddc27 100644
--- a/src/rygel/rygel-plugin-loader.vala
+++ b/src/rygel/rygel-plugin-loader.vala
@@ -80,7 +80,7 @@ public class Rygel.PluginLoader : Object {
                                       on_children_enumerated);
     }
 
-    private void on_children_enumerated (GLib.Object      source_object,
+    private void on_children_enumerated (GLib.Object?     source_object,
                                          GLib.AsyncResult res) {
         File dir = (File) source_object;
         FileEnumerator enumerator;
@@ -101,7 +101,7 @@ public class Rygel.PluginLoader : Object {
                                      on_next_files_enumerated);
     }
 
-    private void on_next_files_enumerated (GLib.Object      source_object,
+    private void on_next_files_enumerated (GLib.Object?     source_object,
                                            GLib.AsyncResult res) {
         FileEnumerator enumerator = (FileEnumerator) source_object;
         File dir = (File) enumerator.get_container ();
diff --git a/src/rygel/rygel-seekable-response.vala b/src/rygel/rygel-seekable-response.vala
index 2fbdf3c..f16cd6d 100644
--- a/src/rygel/rygel-seekable-response.vala
+++ b/src/rygel/rygel-seekable-response.vala
@@ -65,7 +65,7 @@ internal class Rygel.SeekableResponse : Rygel.HTTPResponse {
         this.file.read_async (this.priority, cancellable, this.on_file_read);
     }
 
-    private void on_file_read (GLib.Object      source_object,
+    private void on_file_read (GLib.Object?     source_object,
                                GLib.AsyncResult result) {
         try {
            this.input_stream = this.file.read_finish (result);
@@ -101,7 +101,7 @@ internal class Rygel.SeekableResponse : Rygel.HTTPResponse {
                                  on_contents_read);
     }
 
-    private void on_contents_read (GLib.Object      source_object,
+    private void on_contents_read (GLib.Object?     source_object,
                                    GLib.AsyncResult result) {
         FileInputStream input_stream = (FileInputStream) source_object;
         ssize_t bytes_read;
@@ -125,7 +125,7 @@ internal class Rygel.SeekableResponse : Rygel.HTTPResponse {
         }
     }
 
-    private void on_input_stream_closed (GLib.Object      source_object,
+    private void on_input_stream_closed (GLib.Object?     source_object,
                                          GLib.AsyncResult result) {
         FileInputStream input_stream = (FileInputStream) source_object;