Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 | import { useCallback, useEffect, useMemo, useRef, useState, type JSX, type ReactNode } from "react"; import { AlertTriangle, ArrowDown, ArrowUp } from "lucide-react"; import { AnimatePresence, motion, useReducedMotion } from "motion/react"; import { EventRenderer } from "./EventRenderer.js"; import { EventHoverRow } from "./EventHoverRow.js"; import { FloatingActionBar } from "./FloatingActionBar.js"; import { SessionPicker } from "./SessionPicker.js"; import { ConfirmDialog } from "./ConfirmDialog.js"; import { Tooltip } from "./Tooltip.js"; import { useSmartScroll } from "../../hooks/useSmartScroll.js"; import { useEventSelection } from "../../hooks/useEventSelection.js"; import { isContentBearingEvent, getEventCopyText, formatEventsAsMarkdown, formatForwardEnvelope, } from "../../utils/eventContent.js"; import type { ToastVariant } from "../../context/ToastContext.js"; import { ICON_MD } from "../../utils/iconSize.js"; import type { DisplayEvent } from "../../utils/sessionEvents.js"; import type { Session, Environment, PersonaData, SessionEvent } from "../../hooks/types.js"; import styles from "./EventStream.module.scss"; /** Byte size threshold above which a large-message confirmation is shown (10 KB). */ const LARGE_MESSAGE_THRESHOLD_BYTES: number = 10 * 1024; /** Active session statuses eligible as forward targets. */ const ACTIVE_STATUSES: ReadonlySet<string> = new Set(["running", "idle"]); /** Build a descriptive label for the selection checkbox aria-label. */ function buildCheckboxLabel(event: SessionEvent): string { const time = new Date(event.timestamp).toLocaleTimeString(); switch (event.eventType) { case "text": case "output": return `Select message from assistant at ${time}`; case "user_input": return `Select message from user at ${time}`; case "tool_result": case "tool_use": return `Select tool event at ${time}`; case "error": return `Select error at ${time}`; default: return `Select event at ${time}`; } } /** localStorage key for persisting the direction preference. */ const DIRECTION_STORAGE_KEY: string = "grackle-stream-direction"; /** Read initial direction from localStorage. */ function readStoredDirection(): boolean { try { return localStorage.getItem(DIRECTION_STORAGE_KEY) === "reversed"; } catch { return false; } } /** Overflow warning banner shown when events exceed the in-memory cap. */ function EventOverflowBanner({ eventsDropped }: { eventsDropped: number }): JSX.Element { if (eventsDropped <= 0) { return <></>; } return ( <div className={styles.eventOverflowWarning} role="alert"> <AlertTriangle size={ICON_MD} aria-hidden="true" /> {eventsDropped.toLocaleString()} older event{eventsDropped === 1 ? "" : "s"} were dropped — only the most recent 5,000 are shown. Full history is available in the session log. </div> ); } /** Props for the EventStream component. */ interface EventStreamProps { /** Events to render. */ events: DisplayEvent[]; /** Number of events dropped due to the in-memory cap. */ eventsDropped: number; /** Custom empty state content (e.g., CTA button or waiting message). */ emptyState?: ReactNode; /** Toast callback for copy feedback. If omitted, no toast is shown. */ onShowToast?: (message: string, variant?: ToastVariant) => void; /** All known sessions (used to build the forward-target picker). */ sessions?: Session[]; /** ID of the session currently being viewed (excluded from forward picker). */ currentSessionId?: string; /** All known environments (used to look up display names in the forward picker). */ environments?: Environment[]; /** All known personas (used to show persona name in the session picker). */ personas?: PersonaData[]; /** * Called when the user forwards selected events to another session. * Receives the target session ID and the formatted envelope text. */ onForward?: (sessionId: string, text: string) => Promise<void>; /** Sandbox proxy origin URL for rendering MCP Apps widget events. */ sandboxProxyUrl?: string; /** * Open a file in the live-docs pane (#1396). Wired by the page to * `documents.openDocument` with the environment bound. When provided, * `file://` links and tool-call file paths in the stream become clickable. */ onOpenDocument?: (uri: string) => void; } /** * Scrollable event stream with smart auto-scroll, direction toggle, * animated entry for new events, hover actions, and multi-select mode. */ export function EventStream({ events, eventsDropped, emptyState, onShowToast, sessions, currentSessionId, environments, personas, onForward, sandboxProxyUrl, onOpenDocument, }: EventStreamProps): JSX.Element { const scrollRef = useRef<HTMLDivElement>(null); const [isReversed, setIsReversed] = useState(readStoredDirection); const shouldReduceMotion = useReducedMotion(); // Forward flow state const [showSessionPicker, setShowSessionPicker] = useState(false); const [confirmLargeMessage, setConfirmLargeMessage] = useState(false); const [pendingForward, setPendingForward] = useState< { sessionId: string; text: string } | undefined >(undefined); // Multi-select state const selection = useEventSelection({ events, formatForClipboard: formatEventsAsMarkdown, }); // Count of selectable events (for floating action bar) const totalSelectable = useMemo(() => events.filter(isContentBearingEvent).length, [events]); // Active sessions that can receive a forwarded message (excluding current) const forwardTargets = useMemo<Session[]>(() => { if (!sessions) { return []; } return sessions.filter((s) => ACTIVE_STATUSES.has(s.status) && s.id !== currentSessionId); }, [sessions, currentSessionId]); const displayEvents = useMemo(() => { if (!isReversed) { return events; } return [...events].reverse(); }, [events, isReversed]); const { isAtAnchor, scrollToAnchor } = useSmartScroll({ scrollRef, contentLength: events.length, isReversed, paused: selection.isSelecting, }); const handleToggleDirection = (): void => { const next = !isReversed; setIsReversed(next); try { localStorage.setItem(DIRECTION_STORAGE_KEY, next ? "reversed" : "default"); } catch { /* storage unavailable */ } }; // Escape key exits selection mode, but not while a modal is open // (the modal's own Escape handler takes priority) useEffect(() => { if (!selection.isSelecting) { return; } const handler = (e: KeyboardEvent): void => { if (e.key === "Escape" && !showSessionPicker && !confirmLargeMessage) { selection.cancelSelection(); } }; window.addEventListener("keydown", handler); return () => { window.removeEventListener("keydown", handler); }; }, [selection.isSelecting, selection.cancelSelection, showSessionPicker, confirmLargeMessage]); // Copy handler for the floating action bar const handleCopySelected = useCallback(async () => { const ok = await selection.copySelected(); if (ok) { onShowToast?.( `Copied ${selection.selectedCount} message${selection.selectedCount === 1 ? "" : "s"} to clipboard`, "success", ); } }, [selection, onShowToast]); /** Build the sorted list of selected DisplayEvents in chronological order. */ const getSelectedEvents = useCallback((): DisplayEvent[] => { const sorted = [...selection.selectedIndices].sort((a, b) => a - b); return sorted.filter((i) => i < events.length).map((i) => events[i]); }, [selection.selectedIndices, events]); /** * Returns a human-readable label for a session by its ID. * Falls back to "this session" when sessionId is undefined/empty. */ const getSessionLabel = useCallback( (sessionId: string | undefined): string => { if (!sessionId) { return "this session"; } const session = sessions?.find((s) => s.id === sessionId); if (!session) { return sessionId.slice(0, 8); } const env = environments?.find((e) => e.id === session.environmentId); return env?.displayName ?? session.environmentId.slice(0, 8); }, [sessions, environments], ); /** Execute the actual forward after all confirmations. */ const executeForward = useCallback( async (sessionId: string, text: string) => { if (!onForward) { return; } const targetLabel = getSessionLabel(sessionId); try { await onForward(sessionId, text); const count = selection.selectedCount; onShowToast?.( `Forwarded ${count} message${count === 1 ? "" : "s"} to ${targetLabel}`, "success", ); selection.cancelSelection(); } catch { onShowToast?.("Failed to forward messages", "error"); } }, [onForward, getSessionLabel, onShowToast, selection], ); /** Called when the user picks a target session in the picker. */ const handlePickSession = useCallback( (sessionId: string) => { setShowSessionPicker(false); const selectedEvents = getSelectedEvents(); const sourceLabel = getSessionLabel(currentSessionId); const envelope = formatForwardEnvelope(sourceLabel, selectedEvents); if (new TextEncoder().encode(envelope).length > LARGE_MESSAGE_THRESHOLD_BYTES) { setPendingForward({ sessionId, text: envelope }); setConfirmLargeMessage(true); return; } executeForward(sessionId, envelope).catch(() => {}); }, [getSelectedEvents, getSessionLabel, currentSessionId, executeForward], ); const handleConfirmLargeMessage = useCallback(() => { setConfirmLargeMessage(false); if (pendingForward) { executeForward(pendingForward.sessionId, pendingForward.text).catch(() => {}); setPendingForward(undefined); } }, [pendingForward, executeForward]); const handleCancelLargeMessage = useCallback(() => { setConfirmLargeMessage(false); setPendingForward(undefined); }, []); const animationDuration = shouldReduceMotion ? 0 : 0.2; const enterY = isReversed ? -8 : 8; const largeMessageSizeKb = pendingForward ? Math.round(new TextEncoder().encode(pendingForward.text).length / 1024) : 0; return ( <div className={styles.wrapper}> {/* Direction toggle */} <div className={styles.toolbar}> <Tooltip text={isReversed ? "Showing newest first" : "Showing oldest first"}> <button className={styles.directionToggle} onClick={handleToggleDirection} aria-label={isReversed ? "Switch to newest at bottom" : "Switch to newest at top"} data-testid="direction-toggle" > {isReversed ? ( <ArrowDown size={ICON_MD} aria-hidden="true" /> ) : ( <ArrowUp size={ICON_MD} aria-hidden="true" /> )} </button> </Tooltip> </div> {/* Scroll container */} <div ref={scrollRef} className={`${styles.scrollContainer} ${selection.isSelecting ? styles.selectingPadding : ""}`} data-testid="event-stream-scroll" > {events.length === 0 && emptyState} <EventOverflowBanner eventsDropped={eventsDropped} /> <AnimatePresence initial={false}> {displayEvents.map((event, displayIndex) => { // Use original index for stable keys regardless of direction const originalIndex = isReversed ? events.length - 1 - displayIndex : displayIndex; return ( <motion.div key={`${event.sessionId}-${event.timestamp}-${originalIndex}`} initial={{ opacity: 0, y: enterY }} animate={{ opacity: 1, y: 0 }} transition={{ duration: animationDuration, ease: "easeOut" }} > <EventHoverRow copyText={getEventCopyText(event)} isContentBearing={isContentBearingEvent(event)} isSelecting={selection.isSelecting} isSelected={selection.selectedIndices.has(originalIndex)} checkboxLabel={buildCheckboxLabel(event)} onSelect={() => { selection.enterSelectionMode(originalIndex); }} onToggle={(shiftKey) => { selection.toggleEvent(originalIndex, shiftKey); }} onCopied={() => { onShowToast?.("Copied to clipboard", "success"); }} > <EventRenderer event={event} toolUseCtx={event.toolUseCtx} settled={event.settled} sandboxProxyUrl={sandboxProxyUrl} onOpenDocument={onOpenDocument} /> </EventHoverRow> </motion.div> ); })} </AnimatePresence> </div> {/* Floating action bar for multi-select mode */} <AnimatePresence> {selection.isSelecting && ( <FloatingActionBar selectedCount={selection.selectedCount} totalSelectable={totalSelectable} onSelectAll={selection.selectAll} onDeselectAll={selection.deselectAll} onCopy={() => { handleCopySelected().catch(() => {}); }} onForward={ onForward !== undefined ? () => { setShowSessionPicker(true); } : undefined } forwardDisabled={forwardTargets.length === 0} onCancel={selection.cancelSelection} /> )} </AnimatePresence> {/* Session picker for forwarding */} <SessionPicker isOpen={showSessionPicker} sessions={forwardTargets} environments={environments ?? []} personas={personas} onSelect={handlePickSession} onCancel={() => { setShowSessionPicker(false); }} /> {/* Large message confirmation */} <ConfirmDialog isOpen={confirmLargeMessage} title="Send large message?" description={`This will forward a large message (${largeMessageSizeKb} KB). Continue?`} confirmLabel="Send" onConfirm={handleConfirmLargeMessage} onCancel={handleCancelLargeMessage} /> {/* Floating "scroll to anchor" button */} <AnimatePresence> {!isAtAnchor && ( <motion.button className={`${styles.scrollToAnchor} ${isReversed ? styles.scrollToAnchorTop : styles.scrollToAnchorBottom}`} onClick={scrollToAnchor} initial={{ opacity: 0, scale: 0.9 }} animate={{ opacity: 1, scale: 1 }} exit={{ opacity: 0, scale: 0.9 }} transition={{ duration: 0.15 }} aria-label="Scroll to latest" data-testid="scroll-to-anchor" > {isReversed ? ( <ArrowUp size={ICON_MD} aria-hidden="true" /> ) : ( <ArrowDown size={ICON_MD} aria-hidden="true" /> )}{" "} New events </motion.button> )} </AnimatePresence> </div> ); } |