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feature<Avatar>: supports gravatar.com and cravatar.cn (for China)

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This commit is contained in:
leo 2024-02-23 11:39:05 +08:00
parent 84e2c7b3a4
commit 49f6ad0407
6 changed files with 74 additions and 45 deletions
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39
src/Models/AvatarManager.cs
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@ -9,10 +9,15 @@ using System.Threading.Tasks;
namespace SourceGit.Models {
public interface IAvatarHost {
void OnAvatarResourceReady(string md5, Bitmap bitmap);
void OnAvatarResourceChanged(string md5);
}
public static class AvatarManager {
public static string SelectedServer {
get;
set;
} = "https://www.gravatar.com/avatar/";
static AvatarManager() {
_storePath = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData), "SourceGit", "avatars");
if (!Directory.Exists(_storePath)) Directory.CreateDirectory(_storePath);
@ -37,7 +42,7 @@ namespace SourceGit.Models {
var img = null as Bitmap;
try {
var client = new HttpClient() { Timeout = TimeSpan.FromSeconds(2) };
var task = client.GetAsync($"https://cravatar.cn/avatar/{md5}?d=404");
var task = client.GetAsync($"{SelectedServer}{md5}?d=404");
task.Wait();
var rsp = task.Result;
@ -61,19 +66,28 @@ namespace SourceGit.Models {
Dispatcher.UIThread.InvokeAsync(() => {
if (_resources.ContainsKey(md5)) _resources[md5] = img;
else _resources.Add(md5, img);
if (img != null) NotifyResourceReady(md5, img);
NotifyResourceChanged(md5);
});
}
});
}
public static void Subscribe(IAvatarHost host) {
_avatars.Add(new WeakReference<IAvatarHost>(host));
_avatars.Add(host);
}
public static void Unsubscribe(IAvatarHost host) {
_avatars.Remove(host);
}
public static Bitmap Request(string md5, bool forceRefetch = false) {
if (forceRefetch) {
if (_resources.ContainsKey(md5)) _resources.Remove(md5);
if (_resources.ContainsKey(md5)) _resources.Remove(md5);
var localFile = Path.Combine(_storePath, md5);
if (File.Exists(localFile)) File.Delete(localFile);
NotifyResourceChanged(md5);
} else {
if (_resources.ContainsKey(md5)) return _resources[md5];
@ -96,24 +110,15 @@ namespace SourceGit.Models {
return null;
}
private static void NotifyResourceReady(string md5, Bitmap bitmap) {
List<WeakReference<IAvatarHost>> invalids = new List<WeakReference<IAvatarHost>>();
private static void NotifyResourceChanged(string md5) {
foreach (var avatar in _avatars) {
IAvatarHost retrived = null;
if (avatar.TryGetTarget(out retrived)) {
retrived.OnAvatarResourceReady(md5, bitmap);
break;
} else {
invalids.Add(avatar);
}
avatar.OnAvatarResourceChanged(md5);
}
foreach (var invalid in invalids) _avatars.Remove(invalid);
}
private static object _synclock = new object();
private static string _storePath = string.Empty;
private static List<WeakReference<IAvatarHost>> _avatars = new List<WeakReference<IAvatarHost>>();
private static List<IAvatarHost> _avatars = new List<IAvatarHost>();
private static Dictionary<string, Bitmap> _resources = new Dictionary<string, Bitmap>();
private static HashSet<string> _requesting = new HashSet<string>();
}