完善窗体逻辑;

添加弹幕日志;
修复房间信息获取正则表达式;

BarrageGrab/Proxy/SystemProxy.cs

@@ -24,15 +24,26 @@ namespace BarrageGrab.Proxy
         /// </summary>
         public event EventHandler<HttpResponseEventArgs> OnFetchResponse;
 
+        /// <summary>
+        /// 代理切换时触�?
+        /// </summary>
+        public event EventHandler<SystemProxyChangeEventArgs> OnProxyStatus;
+
         /// <summary>
         /// 代理端口
         /// </summary>
-        public int ProxyPort { get { return Appsetting.Current.ProxyPort; } }        
+        public int ProxyPort { get { return Appsetting.Current.ProxyPort; } }
+
+        public abstract string HttpUpstreamProxy { get; }
+
+        public abstract string HttpsUpstreamProxy { get; }
 
         public abstract void Dispose();
 
         public abstract void Start();
 
+        public abstract void SetUpstreamProxy(string addr);        
+
         //https://live.douyin.com/webcast/gift/list/ [礼物数据接口]
 
         /// <summary>
@@ -41,16 +52,16 @@ namespace BarrageGrab.Proxy
         /// <param name="host"></param>
         /// <returns></returns>
         protected virtual bool CheckHost(string host)
-        {            
+        {
             host = host.Trim().ToLower();
 
             if (!Appsetting.Current.FilterHostName) return true;
-            
+
             if (host.StartsWith("webcast")) return true;
 
             if (Appsetting.Current.HostNameFilter.Any(a => a.Trim().ToLower() == host)) return true;
 
-            return false;            
+            return false;
         }
 
         /// <summary>
@@ -86,18 +97,22 @@ namespace BarrageGrab.Proxy
                     return process.ProcessName;
                 }
             }
-            catch (Exception ex){}            
+            catch (Exception ex) { }
             return $"<{processID}>";
         }
 
         /// <summary>
-        /// 注册为系统代理
+        /// 注册为系统代�?
         /// </summary>
         public void RegisterSystemProxy()
         {
             RegistryKey registry = Registry.CurrentUser.OpenSubKey("Software\\Microsoft\\Windows\\CurrentVersion\\Internet Settings", true);
             registry.SetValue("ProxyEnable", 1);
             registry.SetValue("ProxyServer", $"http=localhost:{ProxyPort};https=localhost:{ProxyPort}");
+            OnProxyStatus?.Invoke(this, new SystemProxyChangeEventArgs()
+            {
+                Open = true
+            });
         }
 
         /// <summary>
@@ -108,6 +123,21 @@ namespace BarrageGrab.Proxy
             RegistryKey registry = Registry.CurrentUser.OpenSubKey("Software\\Microsoft\\Windows\\CurrentVersion\\Internet Settings", true);
             registry.SetValue("ProxyEnable", 0);
             registry.SetValue("ProxyServer", $"http=localhost:{ProxyPort};https=localhost:{ProxyPort}");
+            OnProxyStatus?.Invoke(this, new SystemProxyChangeEventArgs()
+            {
+                Open = false
+            });
+        }        
+
+        public static bool ProxyIsOpen()
+        {
+            RegistryKey registry = Registry.CurrentUser.OpenSubKey("Software\\Microsoft\\Windows\\CurrentVersion\\Internet Settings", true);
+            var proxyEnable = registry.GetValue("ProxyEnable");
+            if (proxyEnable != null && proxyEnable.ToString() == "1")
+            {
+                return true;
+            }
+            return false;
         }
     }
 }