From f4ab97c0889b89f4ef6642b3a34c4a13dffe5a65 Mon Sep 17 00:00:00 2001
From: leo <longshuang@msn.cn>
Date: Sun, 4 Apr 2021 13:48:27 +0800
Subject: [PATCH] optimize<Avatar>: cache downloading failed avatars

---
 src/Helpers/Avatar.cs | 19 ++++++++++++-------
 1 file changed, 12 insertions(+), 7 deletions(-)

diff --git a/src/Helpers/Avatar.cs b/src/Helpers/Avatar.cs
index 4e2482a4..6abae634 100644
--- a/src/Helpers/Avatar.cs
+++ b/src/Helpers/Avatar.cs
@@ -190,15 +190,20 @@ namespace SourceGit.Helpers {
                             reader.CopyTo(writer);
                         }
 
-                        if (requesting.ContainsKey(email)) {
-                            Dispatcher.Invoke(() => {
-                                var img = new BitmapImage(new Uri(filePath));
-                                loaded[email] = img;
+                        Dispatcher.Invoke(() => {
+                            var img = new BitmapImage(new Uri(filePath));
+                            loaded.Add(email, img);
+
+                            if (requesting.ContainsKey(email)) {
                                 foreach (var one in requesting[email]) one.Source = img;
-                            });
-                        }
+                            }
+                        });
+                    } else {
+                        loaded.Add(email, null);
                     }
-                } catch { }
+                } catch {
+                    loaded.Add(email, null);
+                }
 
                 requesting.Remove(email);
             };