Fix background upload stopping issue

- Remove duplicate uploadprogress event listeners that were conflicting
- Simplify progress calculation logic to avoid jumping
- Ensure Dropzone continues processing queue after modal close
- Fix BackgroundUploadManager event binding to prevent conflicts
- Add proper progress synchronization between modal and background views

static/app.js

@@ -94,6 +94,13 @@
 
             // 绑定事件监听
             this.bindDropzoneEvents();
+
+            // 确保Dropzone继续处理上传队列
+            setTimeout(() => {
+                if (dropzone.getQueuedFiles().length > 0) {
+                    dropzone.processQueue();
+                }
+            }, 100);
         }
 
         bindDropzoneEvents() {
@@ -101,15 +108,7 @@
 
             const dz = this.dropzoneInstance;
 
-            dz.on('uploadprogress', (file, progress, bytesSent, totalBytesSent, totalBytes) => {
-                let chunkInfo = null;
-                if (file.totalChunks > 1) {
-                    const currentChunk = (file.upload && file.upload.chunk) || 0;
-                    chunkInfo = `${currentChunk + 1}/${file.totalChunks}`;
-                }
-                this.updateProgress(file._dzFileId, progress, chunkInfo);
-            });
-
+            // 监听成功和错误事件
             dz.on('success', (file, response) => {
                 this.completeUpload(file._dzFileId);
             });
@@ -569,6 +568,8 @@
 
                 this.on('uploadprogress', function(file, progress, bytesSent, totalBytesSent, totalBytes) {
                     var fileId = file._dzFileId;
+
+                    // 更新悬浮窗中的进度
                     var progressEl = document.getElementById('progress-' + fileId);
                     var percentEl = document.getElementById('percent-' + fileId);
                     var chunksEl = document.getElementById('chunks-' + fileId);
@@ -595,38 +596,10 @@
                             percentEl.textContent = Math.round(progress) + '%';
                         }
                     }
-                });
 
-                this.on('uploadprogress', function(file, progress, bytesSent, totalBytesSent, totalBytes) {
-                    var fileId = file._dzFileId;
-                    var progressEl = document.getElementById('progress-' + fileId);
-                    var percentEl = document.getElementById('percent-' + fileId);
-                    var chunksEl = document.getElementById('chunks-' + fileId);
-                    
-                    file._uploadProgress = progress;
-                    
-                    if (file.totalChunks > 1) {
-                        var currentChunk = file.upload.chunk || 0;
-                        var chunkProgress = (currentChunk / file.totalChunks) * 100;
-                        var currentChunkProgress = (progress / 100) * (100 / file.totalChunks);
-                        var totalProgress = chunkProgress + currentChunkProgress;
-                        
-                        if (progressEl) {
-                            progressEl.style.width = Math.min(totalProgress, 100) + '%';
-                        }
-                        if (percentEl) {
-                            percentEl.textContent = Math.round(Math.min(totalProgress, 100)) + '%';
-                        }
-                        if (chunksEl) {
-                            chunksEl.textContent = (currentChunk + 1) + '/' + file.totalChunks;
-                        }
-                    } else {
-                        if (progressEl) {
-                            progressEl.style.width = progress + '%';
-                        }
-                        if (percentEl) {
-                            percentEl.textContent = Math.round(progress) + '%';
-                        }
+                    // 同步到后台管理器
+                    if (backgroundManager) {
+                        backgroundManager.updateProgress(fileId, totalProgress, file.totalChunks > 1 ? `${(file.upload.chunk || 0) + 1}/${file.totalChunks}` : null);
                     }
                 });