List下拉刷新

entry/src/main/ets/pages/NewIndex.ets

@@ -143,8 +143,8 @@ struct NewIndex {
   @State tabOptions: SegmentButtonOptions = SegmentButtonOptions.tab({
     buttons: [{ text: '分类' }, { text: '歌单' }],
     direction: Direction.Ltr,
-    backgroundColor: $r('app.color.start_window_background'),
-    selectedBackgroundColor:$r('app.color.index_background'),
+    backgroundColor: $r('app.color.index_background'),
+    selectedBackgroundColor:$r('app.color.start_window_background'),
     selectedFontColor: $r('app.color.text_color'),
     localizedTextPadding: {
       end: LengthMetrics.vp(10),

entry/src/main/ets/view/LocalMusic.ets

@@ -147,6 +147,10 @@ const ITEM_HEIGHT_BIG: number = 78; // 列表项大高度
 @Preview
 @Component
 export struct LocalMusic {
+  @State isRefreshing: boolean = false;
+  @State maxRefreshingHeight: number = 100.0;
+  private contentNode?: ComponentContent<Object> = undefined;
+  @State ratioL: number = 1;
   @State mediaKuCount: number = 0;
   @State albumCount: number = 0;
   @State artistCount: number = 0;
@@ -833,6 +837,7 @@ export struct LocalMusic {
           this.doUpdateData()
           break;
         case 102: //查询媒体库列表
+          this.isRefreshing = false
           this.mediaKuList = e.data.data
           Logger.info('onecold 查询媒体库列表 this.mediaKuList length= ' + this.mediaKuList.length)
           Utility.doSortListAscending(this.mediaKuList)
@@ -851,6 +856,7 @@ export struct LocalMusic {
           }
           break;
         case 103: //收到查询艺术家列表
+          this.isRefreshing = false
           this.artistMap = e.data.data1;
           this.artistList = e.data.data2;
           PreferencesUtil.putSync('artistCount', this.artistList.length)
@@ -868,6 +874,7 @@ export struct LocalMusic {
           break;
 
         case 104: //收到查询专辑列表
+          this.isRefreshing = false
           this.albumMap = e.data.data1;
 
           this.albumList = e.data.data2
@@ -2191,7 +2198,22 @@ export struct LocalMusic {
                 if(this.isGridMusic){
                   this.getGridView()
                 }else {
-                  this.getListView()
+                  Refresh({ refreshing: $$this.isRefreshing, refreshingContent: this.contentNode }) {
+                    this.getListView()
+                  }
+                  .pullDownRatio(this.ratioL)
+                  .pullToRefresh(true)
+                  .refreshOffset(0)
+                  .onOffsetChange((offset: number) => {
+                    // 越接近最大距离，下拉跟手系数越小。
+                    this.ratioL = 1 - Math.pow((offset / this.maxRefreshingHeight), 3);
+                  })
+                  .onStateChange((refreshStatus: RefreshStatus) => {
+                    console.info('onecold Refresh onStatueChange state is ' + refreshStatus);
+                  })
+                  .onRefreshing(async () => {
+                    this.refreshCurrent()
+                  })
                 }
               }
               if (this.modeType == 0) {
@@ -3237,6 +3259,19 @@ export struct LocalMusic {
     return this.currentTitleCover
   }
 
+  refreshCurrent() {
+    if(this.modeType==0){
+      this.getHistoryList(false)
+      this.asyncCurrentPathOnlyFile()
+    }else if(this.modeType == 1){
+      workerInstance.postMessage({ code: 2, data: this.context,data2:this.packName });
+    }else if(this.modeType == 2){
+      workerInstance.postMessage({ code: 3, data: this.context });
+    }else if(this.modeType == 3){
+      workerInstance.postMessage({ code: 4, data: this.context });
+    }
+  }
+
   @Builder
   listViewTitle() {
     Column() {
@@ -3452,26 +3487,18 @@ export struct LocalMusic {
             this.isSearchMode = true
           })
 
-        Image($r("app.media.refresh"))
-          .fillColor(this.themeColor)
-          .width(25)
-          .visibility(this.isHistory || this.isCanBack || this.isSearchMode ? Visibility.None : Visibility.Visible)
-          .animation({
-            duration: 666,
-            curve: 'ease-in-out' // 可选动画曲线
-          })
-          .clickEffect({ level: ClickEffectLevel.MIDDLE, scale: 0.6 })
-          .onClick(() => {
-            if (this.isFavMusic) {
-              this.getFavList(true)
-            } else {
-              if(this.modeType == 0){
-                this.asyncCurrentPathData()
-              }else if(this.modeType ==1){
-                workerInstance.postMessage({ code: 2, data: this.context,data2:this.packName });
-              }
-            }
-          })
+        // Image($r("app.media.refresh"))
+        //   .fillColor(this.themeColor)
+        //   .width(25)
+        //   .visibility(this.isHistory || this.isCanBack || this.isSearchMode ? Visibility.None : Visibility.Visible)
+        //   .animation({
+        //     duration: 666,
+        //     curve: 'ease-in-out' // 可选动画曲线
+        //   })
+        //   .clickEffect({ level: ClickEffectLevel.MIDDLE, scale: 0.6 })
+        //   .onClick(() => {
+        //     this.refreshCurrent()
+        //   })
 
         Image($r("app.media.top_rank"))
           .width(25)
@@ -4673,6 +4700,24 @@ export struct LocalMusic {
     this.scaleValue = 1;
   }
 
+  // 扫描当前目录下的文件，不扫描子目录
+  asyncCurrentPathOnlyFile(){
+    if(this.modeType==0){
+      const task = new taskpool.Task(scanCurrentDirectoryTask, getContext(this), this.currentPath,
+        this.lockPath,PreferencesUtil.getStringSync('COVER_API',''));
+      taskpool.execute(task, taskpool.Priority.HIGH).then(()=>{
+        if(this.modeType==0){
+          this.getSortedFiles(this.currentPath)
+        }
+        setTimeout(() => {
+          this.isRefreshing = false;
+        }, 100)
+      }).catch((e:object)=>{
+        console.info("task1 catch e: " + e);
+      })
+    }
+  }
+
   @Builder
   getListView() {
 
@@ -13095,3 +13140,48 @@ function getFileDirName(filePath: string,rootPath:string): string{
 }
 
 
+//只扫描当前目录下文件（不扫描子文件夹）的方法
+@Concurrent
+async function scanCurrentDirectoryTask(context: Context, dirPath: string, lockPath: string, cover_api: string) {
+  const table: MediaTable = new MediaTable(context);
+
+  try {
+    // 直接获取当前目录下的文件列表
+    const files = FileUtil.listFileSync(dirPath);
+
+    await Promise.all(files.map(async  (file) => {
+      const fPath = `${dirPath}/${file}`;
+
+      // 跳过目录，只处理文件
+      if (FileUtil.isDirectory(fPath))  {
+        return;
+      }
+
+      // 跳过特定格式文件
+      if (fPath.endsWith('.lrc')  || fPath.endsWith('.srt'))  {
+        return;
+      }
+
+      // 检查是否为媒体文件
+      if (Utility.isMeidaByExtension(fPath))  {
+        let mType = CommonConstants.TYPE_LOCAL;
+        if (fPath.includes(lockPath))  {
+          mType = CommonConstants.TYPE_LOCK;
+        }
+
+        const mediaItem = await Utility.uriGetMusicAssetsFromFile(
+          context, fPath, mType, true
+        );
+
+        table.insert(mediaItem,  (id: number) => {
+          // 插入回调函数
+        }, cover_api);
+      }
+    }));
+  } catch (error) {
+    console.error(' 扫描当前目录失败:', error);
+  }
+}
+
+
+