[blam] Channel: Also use locking

[Carlos Martín Nieto <cmartin src gnome org>]

commit 6fbb073f1d8b3f3ff60f9dd8fb12f91ab8c1c579
Author: Carlos Martín Nieto <carlos cmartin tk>
Date:   Mon Oct 11 21:30:18 2010 +0100

    Channel: Also use locking

 src/Channel.cs |   34 ++++++++++++++++++++++------------
 1 files changed, 22 insertions(+), 12 deletions(-)
---
diff --git a/src/Channel.cs b/src/Channel.cs
index fe9284c..72e5985 100644
--- a/src/Channel.cs
+++ b/src/Channel.cs
@@ -68,7 +68,9 @@ namespace Imendio.Blam {
 
 		public int NrOfItems {
 			get {
-				return item_list.Count;
+                lock(obj){
+                    return item_list.Count;
+                }
 			}
 		}
 
@@ -77,10 +79,12 @@ namespace Imendio.Blam {
                 int unread = 0;
 
                 Item item;
-                foreach (string id in item_list) {
-                    item = store.Items[id] as Item;
-                    if(item != null && item.Unread){
-                        ++unread;
+                lock(obj){
+                    foreach (string id in item_list) {
+                        item = store.Items[id] as Item;
+                        if(item.Unread){
+                            ++unread;
+                        }
                     }
                 }
 
@@ -92,10 +96,12 @@ namespace Imendio.Blam {
             get {
                 int new_items = 0;
                 Item item;
-                foreach(string id in item_list){
-                    item = store.Items[id] as Item;
-                    if(item != null && item.Unread && !item.Old){
-                        ++new_items;
+                lock(obj){
+                    foreach(string id in item_list){
+                        item = store.Items[id] as Item;
+                        if(item != null && item.Unread && !item.Old){
+                            ++new_items;
+                        }
                     }
                 }
 
@@ -105,11 +111,15 @@ namespace Imendio.Blam {
 
         public ArrayList ItemList {
             get {
-                return item_list;
+                lock(obj){
+                    return item_list;
+                }
             }
             set {
-                item_list = value;
-                Setup();
+                lock(obj){
+                    item_list = value;
+                    Setup();
+                }
             }
         }