feat: loading ux v1.3.3

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@ioai/rosview",
-  "version": "1.3.2",
+  "version": "1.3.3",
   "description": "High-performance robotics data visualization for MCAP, ROS bag, ROS2 db3, HDF5 and BVH — embeddable React component and standalone SPA",
   "keywords": [
     "ros",

src/app/AppShell.tsx

@@ -42,6 +42,7 @@ interface AppShellProps {
   onSubmitRemoteUrl: (url: string) => void | Promise<void>;
   remoteSubmitLoading?: boolean;
   onSelectSample: (sample: SampleDataset) => void | Promise<void>;
+  onCancelLoading?: () => void;
   historyItems: DatasetHistoryListItem[];
   onReplayHistory: (id: string) => void | Promise<void>;
   onDropRosRecordingFiles: (files: File[], items?: DataTransferItemList) => void | Promise<void>;
@@ -91,6 +92,7 @@ export const AppShell: React.FC<AppShellProps> = ({
   onSubmitRemoteUrl,
   remoteSubmitLoading,
   onSelectSample,
+  onCancelLoading,
   historyItems,
   onReplayHistory,
   onDropRosRecordingFiles,
@@ -175,7 +177,7 @@ export const AppShell: React.FC<AppShellProps> = ({
         onSubmitRemoteUrl={onSubmitRemoteUrl}
         remoteSubmitLoading={remoteSubmitLoading}
         onSelectSample={onSelectSample}
-        onRequestChangeRemoteUrl={onOpenRemotePrompt}
+        onCancelLoading={onCancelLoading}
         historyItems={historyItems}
         onReplayHistory={onReplayHistory}
         onDropRosRecordingFiles={onDropRosRecordingFiles}

src/features/viewer/RosViewContent.tsx

@@ -13,12 +13,14 @@ import {
 import { openRawMessagesPanel } from '@/features/workspace/sidebar/topic-list/openRawMessagesPanel';
 import { useIntl } from 'react-intl';
 import { WelcomeScreen } from '@/features/workspace/common/WelcomeScreen';
+import { LoadingOverlay } from '@/features/workspace/common/LoadingOverlay';
 import { useMessagePipeline } from '@/core/pipeline/useMessagePipeline';
 import type { MessagePipelineState } from '@/core/pipeline/store';
 import { useMessagePipelineStore } from '@/core/pipeline/store';
 import type { SampleDataset } from '@/services/sampleDatasets';
 import type { DatasetHistoryListItem } from '@/shared/utils/datasetHistory';
 import { ResizableHandle, ResizablePanel, ResizablePanelGroup } from '@/shared/ui/resizable';
+import { Skeleton } from '@/shared/ui/skeleton';
 import type { RosViewExtension } from '@/core/extensions/types';
 import { buildExtensionContext } from '@/core/extensions/buildContext';
 import type { FoxgloveLayoutData } from '@/core/preferences/foxgloveLayout';
@@ -49,7 +51,7 @@ interface RosViewContentProps {
   onSubmitRemoteUrl: (url: string) => void | Promise<void>;
   remoteSubmitLoading?: boolean;
   onSelectSample: (sample: SampleDataset) => void | Promise<void>;
-  onRequestChangeRemoteUrl?: () => void;
+  onCancelLoading?: () => void;
   historyItems: DatasetHistoryListItem[];
   onReplayHistory: (id: string) => void | Promise<void>;
   onDropRosRecordingFiles: (files: File[], items?: DataTransferItemList) => void | Promise<void>;
@@ -89,7 +91,7 @@ export const RosViewContent: React.FC<RosViewContentProps> = ({
   onSubmitRemoteUrl,
   remoteSubmitLoading,
   onSelectSample,
-  onRequestChangeRemoteUrl,
+  onCancelLoading,
   historyItems,
   onReplayHistory,
   onDropRosRecordingFiles,
@@ -112,8 +114,8 @@ export const RosViewContent: React.FC<RosViewContentProps> = ({
   const { formatMessage } = useIntl();
   const presence = useMessagePipeline((state: MessagePipelineState) => state.playerState.presence);
   const sortedTopics = useMessagePipeline((state: MessagePipelineState) => state.sortedTopics);
-  const isLoading = presence === 'initializing';
   const isReady = presence === 'ready';
+  const showWelcomeFallback = !isReady && Boolean(manualOpenHint);
   const topicDragDepthRef = useRef(0);
   const [sidebarPanelPercent, setSidebarPanelPercent] = useState(() =>
     getInitialSidebarPanelPercent(preferencePersistence),
@@ -251,19 +253,16 @@ export const RosViewContent: React.FC<RosViewContentProps> = ({
 
   return (
     <div className="flex flex-col flex-1 min-h-0 overflow-hidden">
-      {!isReady ? (
+      {showWelcomeFallback ? (
         <div className="relative flex min-h-0 min-w-0 flex-1 flex-col overflow-hidden">
           <WelcomeScreen
-            isLoading={isLoading}
-            loadingSourceName={loadingSourceName}
             manualOpenHint={manualOpenHint}
             onOpenFile={onOpenFilePick}
             onOpenDirectory={onOpenDirectory}
             onOpenTarPicker={onOpenTarPick}
             onSubmitRemoteUrl={onSubmitRemoteUrl}
             remoteSubmitLoading={remoteSubmitLoading}
             onSelectSample={onSelectSample}
-            onRequestChangeRemoteUrl={onRequestChangeRemoteUrl}
             historyItems={historyItems}
             onReplayHistory={onReplayHistory}
           />
@@ -334,10 +333,10 @@ export const RosViewContent: React.FC<RosViewContentProps> = ({
                 className={`relative flex min-h-0 min-w-0 flex-1 flex-col overflow-hidden bg-background [contain:strict] ${
                   isTopicDragOver ? 'ring-1 ring-inset ring-primary/40' : ''
                 }`}
-                onDragEnter={handleTopicDragEnter}
-                onDragOver={handleMainDragOver}
-                onDragLeave={handleTopicDragLeave}
-                onDrop={handleMainDrop}
+                onDragEnter={isReady ? handleTopicDragEnter : undefined}
+                onDragOver={isReady ? handleMainDragOver : undefined}
+                onDragLeave={isReady ? handleTopicDragLeave : undefined}
+                onDrop={isReady ? handleMainDrop : undefined}
               >
                 {isTopicDragOver && (
                   <div className="pointer-events-none absolute inset-4 z-10 flex items-center justify-center rounded-lg border border-dashed border-primary/60 bg-primary/5">
@@ -351,17 +350,30 @@ export const RosViewContent: React.FC<RosViewContentProps> = ({
                     </div>
                   </div>
                 )}
-                <DockviewLayout
-                  key={activeDatasetId ?? 'dataset'}
-                  player={player}
-                  preferAutoLayout={preferAutoLayout}
-                  initialLayout={initialLayout}
-                  defaultPanel={defaultPanel}
-                  layoutPersistence={layoutPersistence}
-                  layoutStorageKey={layoutStorageKey}
-                  suppressWelcomePanel={suppressWelcomePanel}
-                  onLayoutReady={onLayoutReady}
-                />
+                {isReady ? (
+                  <DockviewLayout
+                    key={activeDatasetId ?? 'dataset'}
+                    player={player}
+                    preferAutoLayout={preferAutoLayout}
+                    initialLayout={initialLayout}
+                    defaultPanel={defaultPanel}
+                    layoutPersistence={layoutPersistence}
+                    layoutStorageKey={layoutStorageKey}
+                    suppressWelcomePanel={suppressWelcomePanel}
+                    onLayoutReady={onLayoutReady}
+                  />
+                ) : (
+                  <div className="flex min-h-0 flex-1 flex-col gap-3 p-4">
+                    <Skeleton className="h-8 w-40" />
+                    <Skeleton className="min-h-0 flex-1 rounded-lg" />
+                  </div>
+                )}
+                {!isReady ? (
+                  <LoadingOverlay
+                    sourceName={loadingSourceName}
+                    onCancel={onCancelLoading}
+                  />
+                ) : null}
               </main>
             </ResizablePanel>
           </ResizablePanelGroup>

src/features/viewer/RosViewerImpl.tsx

@@ -7,13 +7,15 @@ import { SampleDatasetDialog } from '@/features/workspace/common/SampleDatasetDi
 import { getArchiveUrl, getSampleDatasetsManifestUrl, loadSampleDatasets } from '@/services/sampleDatasets';
 import type { SampleDataset } from '@/services/sampleDatasets';
 import { extractRosFilesFromTarArchive } from '@/shared/utils/tarRosRecordings';
-import { WorkerSerializedSource } from '@/infra/workers/WorkerSerializedSource';
+import { WorkerSerializedSource, isWorkerSourceCancelledError } from '@/infra/workers/WorkerSerializedSource';
 import { IterablePlayer } from '@/core/players/IterablePlayer';
 import { MinimalPlayer } from '@/core/players/MinimalPlayer';
 import type { Player } from '@/core/types/player';
 import { useMessagePipelineStore } from '@/core/pipeline/store';
 import { Navbar } from '@/features/workspace/navbar/Navbar';
 import { WelcomeScreen } from '@/features/workspace/common/WelcomeScreen';
+import { LoadingOverlay } from '@/features/workspace/common/LoadingOverlay';
+import { Skeleton } from '@/shared/ui/skeleton';
 import type { DatasetItem, FileListItem } from '@/shared/utils/datasetSources';
 import {
   datasetItemsFromListItems,
@@ -771,6 +773,11 @@ export const RosViewer: React.FC<RosViewerProps> = (props) => {
           }
           return;
         } catch (err) {
+          if (cancelled || isWorkerSourceCancelledError(err)) {
+            newPlayer.close();
+            createdPlayer = null;
+            return;
+          }
           lastErr = err;
           newPlayer.close();
           createdPlayer = null;
@@ -1166,6 +1173,7 @@ export const RosViewer: React.FC<RosViewerProps> = (props) => {
       onSubmitRemoteUrl={handleOpenRemoteRecordingUrl}
       remoteSubmitLoading={remoteUrlBusy}
       onSelectSample={handleSelectSample}
+      onCancelLoading={handleGoHome}
       historyItems={historyItems}
       onReplayHistory={(id) => void handleReplayHistory(id)}
       onDropRosRecordingFiles={handleDropRosRecordingFiles}
@@ -1326,23 +1334,33 @@ export const RosViewer: React.FC<RosViewerProps> = (props) => {
               recentHistoryItems={historyItems.slice(0, 10)}
               onReplayHistory={(id) => void handleReplayHistory(id)}
             />
-            <WelcomeScreen
-              isLoading={!lastLoadError && !manualOpenHint}
-              loadingSourceName={loadingSourceName}
-              manualOpenHint={manualOpenHint}
-              onOpenFile={() => {
-                clearOpenFeedback();
-                void handleOpenRecordingFiles();
-              }}
-              onOpenDirectory={handleOpenDirectory}
-              onOpenTarPicker={() => document.getElementById('rosview-inline-tar')?.click()}
-              onSubmitRemoteUrl={handleOpenRemoteRecordingUrl}
-              remoteSubmitLoading={remoteUrlBusy}
-              onSelectSample={handleSelectSample}
-              onRequestChangeRemoteUrl={openRemotePrompt}
-              historyItems={historyItems}
-              onReplayHistory={(id) => void handleReplayHistory(id)}
-            />
+            {!lastLoadError && !manualOpenHint ? (
+              <div className="relative flex min-h-0 min-w-0 flex-1 flex-col overflow-hidden">
+                <div className="flex min-h-0 flex-1 flex-col gap-3 p-4">
+                  <Skeleton className="h-8 w-40" />
+                  <Skeleton className="min-h-0 flex-1 rounded-lg" />
+                </div>
+                <LoadingOverlay
+                  sourceName={loadingSourceName}
+                  onCancel={handleGoHome}
+                />
+              </div>
+            ) : (
+              <WelcomeScreen
+                manualOpenHint={manualOpenHint}
+                onOpenFile={() => {
+                  clearOpenFeedback();
+                  void handleOpenRecordingFiles();
+                }}
+                onOpenDirectory={handleOpenDirectory}
+                onOpenTarPicker={() => document.getElementById('rosview-inline-tar')?.click()}
+                onSubmitRemoteUrl={handleOpenRemoteRecordingUrl}
+                remoteSubmitLoading={remoteUrlBusy}
+                onSelectSample={handleSelectSample}
+                historyItems={historyItems}
+                onReplayHistory={(id) => void handleReplayHistory(id)}
+              />
+            )}
             <SampleDatasetDialog
               open={sampleDialogOpen}
               onOpenChange={setSampleDialogOpen}

src/features/workspace/common/LoadingOverlay.tsx

@@ -0,0 +1,47 @@
+import React from 'react';
+import { useIntl } from 'react-intl';
+import { Button } from '@/shared/ui/button';
+import { Card, CardFooter, CardHeader, CardTitle } from '@/shared/ui/card';
+import { Spinner } from '@/shared/ui/spinner';
+
+interface LoadingOverlayProps {
+  sourceName?: string;
+  onCancel?: () => void;
+}
+
+export const LoadingOverlay: React.FC<LoadingOverlayProps> = ({ sourceName, onCancel }) => {
+  const { formatMessage } = useIntl();
+
+  return (
+    <div
+      className="pointer-events-none absolute inset-0 z-20 flex items-center justify-center bg-background/50"
+      role="status"
+      aria-live="polite"
+      aria-busy="true"
+    >
+      <Card className="pointer-events-auto w-full max-w-sm border-border shadow-none">
+        <CardHeader className="gap-2 pb-4 text-center">
+          <Spinner className="mx-auto size-8 text-primary" aria-hidden />
+          <CardTitle className="text-base font-semibold tracking-tight">
+            {formatMessage({ id: 'welcome.loadingTitle' })}
+          </CardTitle>
+          {sourceName ? (
+            <p className="truncate text-xs text-muted-foreground" title={sourceName}>
+              {sourceName}
+            </p>
+          ) : null}
+          <p className="text-xs text-muted-foreground">
+            {formatMessage({ id: 'welcome.loadingPhase.preparing' })}
+          </p>
+        </CardHeader>
+        {onCancel ? (
+          <CardFooter className="justify-center pt-0">
+            <Button type="button" variant="outline" size="sm" onClick={onCancel}>
+              {formatMessage({ id: 'welcome.cancelLoading' })}
+            </Button>
+          </CardFooter>
+        ) : null}
+      </Card>
+    </div>
+  );
+};

src/features/workspace/common/WelcomeScreen.tsx

@@ -1,41 +1,32 @@
 import React from 'react';
-import { Link2 } from 'lucide-react';
 import { useIntl } from 'react-intl';
 import type { SampleDataset } from '@/services/sampleDatasets';
 import type { DatasetHistoryListItem } from '@/shared/utils/datasetHistory';
 import { useSampleDatasets } from '@/hooks/useSampleDatasets';
 import { DatasetSourceSelector } from '@/features/workspace/welcome/DatasetSourceSelector';
 import { SampleDatasetList } from '@/features/workspace/welcome/SampleDatasetList';
-import { Button } from '@/shared/ui/button';
 import { Separator } from '@/shared/ui/separator';
-import { Spinner } from '@/shared/ui/spinner';
 
 interface WelcomeScreenProps {
-  isLoading?: boolean;
-  loadingSourceName?: string;
   manualOpenHint?: string | null;
   onOpenFile: () => void;
   onOpenDirectory: () => void;
   onOpenTarPicker: () => void;
   onSubmitRemoteUrl: (url: string) => void | Promise<void>;
   remoteSubmitLoading?: boolean;
   onSelectSample: (sample: SampleDataset) => void | Promise<void>;
-  onRequestChangeRemoteUrl?: () => void;
   historyItems?: DatasetHistoryListItem[];
   onReplayHistory?: (id: string) => void | Promise<void>;
 }
 
 export const WelcomeScreen: React.FC<WelcomeScreenProps> = ({
-  isLoading,
-  loadingSourceName,
   manualOpenHint,
   onOpenFile,
   onOpenDirectory,
   onOpenTarPicker,
   onSubmitRemoteUrl,
   remoteSubmitLoading,
   onSelectSample,
-  onRequestChangeRemoteUrl,
   historyItems = [],
   onReplayHistory,
 }) => {
@@ -45,31 +36,6 @@ export const WelcomeScreen: React.FC<WelcomeScreenProps> = ({
   /** Show samples column while loading or when any samples exist; hide when none configured after load. */
   const showSamplesSection = samplesLoading || hasSamples;
 
-  if (isLoading) {
-    return (
-      <div className="flex min-h-0 flex-1 flex-col items-center justify-center gap-8 bg-background px-6 py-16">
-        <div className="w-full max-w-sm rounded-xl border border-border bg-card px-8 py-12 text-center shadow-sm">
-          <Spinner className="mx-auto mb-5 size-10 text-primary" aria-hidden />
-          <h2 className="text-lg font-semibold tracking-tight text-foreground">
-            {formatMessage({ id: 'welcome.loadingTitle' })}
-          </h2>
-          {loadingSourceName ? (
-            <p className="mx-auto mt-3 max-w-full truncate text-xs text-muted-foreground" title={loadingSourceName}>
-              {loadingSourceName}
-            </p>
-          ) : null}
-          <p className="mt-4 text-sm text-muted-foreground">{formatMessage({ id: 'welcome.loadingHint' })}</p>
-        </div>
-        {onRequestChangeRemoteUrl ? (
-          <Button type="button" variant="link" className="text-sm" onClick={onRequestChangeRemoteUrl}>
-            <Link2 data-icon="inline-start" aria-hidden />
-            {formatMessage({ id: 'welcome.changeUrl' })}
-          </Button>
-        ) : null}
-      </div>
-    );
-  }
-
   return (
     <div className="relative flex min-h-0 w-full min-w-0 flex-1 flex-col overflow-hidden bg-background">
       <div className="relative mx-auto flex min-h-[100dvh] w-full min-w-0 max-w-6xl flex-1 flex-col overflow-y-auto px-4 pb-12 pt-8 sm:px-6 sm:pb-16 sm:pt-12 lg:pb-20 lg:pt-14">