From 6bf03de4f3d55b3f859a0f810217effaff37272b Mon Sep 17 00:00:00 2001
From: yaobiao <1315508912@qq.com>
Date: Tue, 12 Dec 2023 00:02:57 +0800
Subject: [PATCH] =?UTF-8?q?feat:=20=E5=87=8F=E5=B0=91=E8=A7=86=E9=A2=91?=
 =?UTF-8?q?=E8=A7=A3=E6=9E=90=E9=A1=B5=E9=9D=A2=E6=8E=A5=E5=8F=A3=E8=B0=83?=
 =?UTF-8?q?=E7=94=A8=E6=AC=A1=E6=95=B0?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../ViewModels/ViewVideoDetailViewModel.cs    | 42 ++++++++++++-------
 1 file changed, 27 insertions(+), 15 deletions(-)

diff --git a/src/DownKyi/ViewModels/ViewVideoDetailViewModel.cs b/src/DownKyi/ViewModels/ViewVideoDetailViewModel.cs
index a514521..084e5f5 100644
--- a/src/DownKyi/ViewModels/ViewVideoDetailViewModel.cs
+++ b/src/DownKyi/ViewModels/ViewVideoDetailViewModel.cs
@@ -34,6 +34,9 @@ namespace DownKyi.ViewModels
         // 保存输入字符串，避免被用户修改
         private string input = null;
 
+        // 保存当前页面服务，减少new的开销和接口调用次数
+        private IInfoService infoService;
+
         #region 页面属性申明
 
         private VectorImage arrowBack;
@@ -233,7 +236,7 @@ namespace DownKyi.ViewModels
                     input = InputText;
 
                     // 更新页面
-                    UnityUpdateView(UpdateView, input, null);
+                    UnityUpdateView(UpdateView, input, null, true);
 
                     // 是否自动解析视频
                     if (SettingsManager.GetInstance().IsAutoParseVideo() == AllowStatus.YES)
@@ -410,7 +413,7 @@ namespace DownKyi.ViewModels
                 {
                     LogManager.Debug(Tag, $"Video Page: {videoPage.Cid}");
 
-                    UnityUpdateView(ParseVideo, input, videoPage);
+                    UnityUpdateView(ParseVideo, input, videoPage, true);
                 });
             }
             catch (Exception e)
@@ -635,25 +638,34 @@ namespace DownKyi.ViewModels
         /// <param name="action"></param>
         /// <param name="input"></param>
         /// <param name="page"></param>
-        private void UnityUpdateView(Action<IInfoService, VideoPage> action, string input, VideoPage page)
+        /// <param name="force">强制new</param>
+        private void UnityUpdateView(Action<IInfoService, VideoPage> action, string input, VideoPage page,bool force = false)
         {
-            // 视频
-            if (ParseEntrance.IsAvUrl(input) || ParseEntrance.IsBvUrl(input))
+            if (infoService == null || force)
             {
-                action(new VideoInfoService(input), page);
-            }
+                // 视频
+                if (ParseEntrance.IsAvUrl(input) || ParseEntrance.IsBvUrl(input))
+                {
+                    infoService = new VideoInfoService(input);
+                }
 
-            // 番剧（电影、电视剧）
-            if (ParseEntrance.IsBangumiSeasonUrl(input) || ParseEntrance.IsBangumiEpisodeUrl(input) || ParseEntrance.IsBangumiMediaUrl(input))
-            {
-                action(new BangumiInfoService(input), page);
-            }
+                // 番剧（电影、电视剧）
+                if (ParseEntrance.IsBangumiSeasonUrl(input) || ParseEntrance.IsBangumiEpisodeUrl(input) || ParseEntrance.IsBangumiMediaUrl(input))
+                {
+                    infoService = new BangumiInfoService(input);
+                }
 
-            // 课程
-            if (ParseEntrance.IsCheeseSeasonUrl(input) || ParseEntrance.IsCheeseEpisodeUrl(input))
+                // 课程
+                if (ParseEntrance.IsCheeseSeasonUrl(input) || ParseEntrance.IsCheeseEpisodeUrl(input))
+                {
+                    infoService = new CheeseInfoService(input);
+                }
+            }
+            if (infoService == null)
             {
-                action(new CheeseInfoService(input), page);
+                return;
             }
+            action(infoService, page);
         }
 
         /// <summary>