Files
openchamber/packages/ui/src/components/chat/message/MessageBody.tsx
T
Bohdan Triapitsyn 47cecfc356 refactor: unify clipboard copy flow across desktop/web/vscode runtimes (#458)
* fix: prevent copying incomplete diagnostics report

* refactoring: clipboard writes to unified cross-runtime fallback helper
2026-02-20 14:50:26 +02:00

1316 lines
54 KiB
TypeScript

import React from 'react';
import type { Part } from '@opencode-ai/sdk/v2';
import UserTextPart from './parts/UserTextPart';
import ToolPart from './parts/ToolPart';
import ProgressiveGroup from './parts/ProgressiveGroup';
import ReasoningPart from './parts/ReasoningPart';
import { MessageFilesDisplay } from '../FileAttachment';
import type { ToolPart as ToolPartType } from '@opencode-ai/sdk/v2';
import type { StreamPhase, ToolPopupContent, AgentMentionInfo } from './types';
import type { TurnGroupingContext } from '../hooks/useTurnGrouping';
import { cn } from '@/lib/utils';
import { isEmptyTextPart, extractTextContent } from './partUtils';
import { FadeInOnReveal } from './FadeInOnReveal';
import { Button } from '@/components/ui/button';
import { Tooltip, TooltipContent, TooltipTrigger } from '@/components/ui/tooltip';
import { RiCheckLine, RiFileCopyLine, RiChatNewLine, RiArrowGoBackLine, RiGitBranchLine, RiHourglassLine, RiVolumeUpLine, RiStopLine } from '@remixicon/react';
import { ArrowsMerge } from '@/components/icons/ArrowsMerge';
import type { ContentChangeReason } from '@/hooks/useChatScrollManager';
import { SimpleMarkdownRenderer } from '../MarkdownRenderer';
import { useMessageStore } from '@/stores/messageStore';
import { useSessionStore } from '@/stores/useSessionStore';
import { useUIStore } from '@/stores/useUIStore';
import { flattenAssistantTextParts } from '@/lib/messages/messageText';
import { MULTIRUN_EXECUTION_FORK_PROMPT_META_TEXT } from '@/lib/messages/executionMeta';
import { useMessageTTS } from '@/hooks/useMessageTTS';
import { useConfigStore } from '@/stores/useConfigStore';
import { TextSelectionMenu } from './TextSelectionMenu';
import { copyTextToClipboard } from '@/lib/clipboard';
type SubtaskPartLike = Part & {
type: 'subtask';
description?: unknown;
command?: unknown;
agent?: unknown;
prompt?: unknown;
taskSessionID?: unknown;
model?: {
providerID?: unknown;
modelID?: unknown;
};
};
type ShellActionPartLike = Part & {
type: 'text';
shellAction?: {
command?: unknown;
output?: unknown;
status?: unknown;
};
};
const isSubtaskPart = (part: Part): part is SubtaskPartLike => {
return part.type === 'subtask';
};
const isShellActionPart = (part: Part): part is ShellActionPartLike => {
const textPart = part as unknown as { type?: unknown; shellAction?: unknown };
return textPart.type === 'text' && typeof textPart.shellAction === 'object' && textPart.shellAction !== null;
};
const normalizeSubtaskModel = (model: SubtaskPartLike['model']): string | null => {
if (!model || typeof model !== 'object') return null;
const providerID = typeof model.providerID === 'string' ? model.providerID.trim() : '';
const modelID = typeof model.modelID === 'string' ? model.modelID.trim() : '';
if (!providerID || !modelID) return null;
return `${providerID}/${modelID}`;
};
const UserSubtaskPart: React.FC<{ part: SubtaskPartLike }> = ({ part }) => {
const [expanded, setExpanded] = React.useState(false);
const setCurrentSession = useSessionStore((state) => state.setCurrentSession);
const description = typeof part.description === 'string' ? part.description.trim() : '';
const command = typeof part.command === 'string' ? part.command.trim() : '';
const agent = typeof part.agent === 'string' ? part.agent.trim() : '';
const prompt = typeof part.prompt === 'string' ? part.prompt.trim() : '';
const taskSessionID = typeof part.taskSessionID === 'string' ? part.taskSessionID.trim() : '';
const model = normalizeSubtaskModel(part.model);
return (
<div className="mt-2">
<div className="flex items-center gap-2 flex-wrap">
<span className="typography-meta font-semibold text-foreground">Delegated task</span>
{command ? (
<span className="inline-flex h-5 items-center rounded px-1.5 text-[11px] leading-none bg-foreground/5 text-muted-foreground">
/{command}
</span>
) : null}
{agent ? (
<span className="inline-flex h-5 items-center rounded px-1.5 text-[11px] leading-none bg-foreground/5 text-muted-foreground">
@{agent}
</span>
) : null}
{model ? (
<span className="inline-flex h-5 items-center rounded px-1.5 text-[11px] leading-none bg-foreground/5 text-muted-foreground">
{model}
</span>
) : null}
</div>
{description ? (
<div className="typography-ui-label text-foreground/90 mt-1.5">
{description}
</div>
) : null}
{prompt ? (
<div className="mt-2 border-t border-border/60 pt-1.5">
<button
type="button"
className="typography-meta text-muted-foreground hover:text-foreground transition-colors underline underline-offset-2"
onClick={() => setExpanded((value) => !value)}
>
{expanded ? 'Hide prompt' : 'Show prompt'}
</button>
{expanded ? (
<pre className="typography-meta mt-1.5 overflow-x-auto whitespace-pre-wrap break-words text-foreground/85">
{prompt}
</pre>
) : null}
</div>
) : null}
{taskSessionID ? (
<div className="mt-1.5">
<button
type="button"
className="typography-meta text-muted-foreground hover:text-foreground transition-colors underline underline-offset-2"
onClick={() => {
void setCurrentSession(taskSessionID);
}}
>
Open subtask session
</button>
</div>
) : null}
</div>
);
};
const UserShellActionPart: React.FC<{ part: ShellActionPartLike }> = ({ part }) => {
const [expanded, setExpanded] = React.useState(false);
const [copiedOutput, setCopiedOutput] = React.useState(false);
const copiedResetTimeoutRef = React.useRef<number | null>(null);
const command = typeof part.shellAction?.command === 'string' ? part.shellAction.command.trim() : '';
const output = typeof part.shellAction?.output === 'string' ? part.shellAction.output : '';
const status = typeof part.shellAction?.status === 'string' ? part.shellAction.status.trim().toLowerCase() : '';
const hasOutput = output.trim().length > 0;
const clearCopiedResetTimeout = React.useCallback(() => {
if (copiedResetTimeoutRef.current !== null && typeof window !== 'undefined') {
window.clearTimeout(copiedResetTimeoutRef.current);
copiedResetTimeoutRef.current = null;
}
}, []);
React.useEffect(() => {
return () => {
clearCopiedResetTimeout();
};
}, [clearCopiedResetTimeout]);
const copyOutputToClipboard = React.useCallback(async () => {
if (!hasOutput) return;
const result = await copyTextToClipboard(output);
if (!result.ok) return;
clearCopiedResetTimeout();
setCopiedOutput(true);
if (typeof window !== 'undefined') {
copiedResetTimeoutRef.current = window.setTimeout(() => {
setCopiedOutput(false);
copiedResetTimeoutRef.current = null;
}, 2000);
}
}, [clearCopiedResetTimeout, hasOutput, output]);
return (
<div className="mt-2">
<div className="flex items-center gap-2 flex-wrap">
<span className="typography-meta font-semibold text-foreground">Shell command</span>
{status ? (
<span className={cn(
'inline-flex h-5 items-center rounded px-1.5 text-[11px] leading-none',
status === 'error'
? 'bg-[var(--status-error-background)] text-[var(--status-error)]'
: 'bg-foreground/5 text-muted-foreground'
)}>
{status}
</span>
) : null}
</div>
{command ? (
<pre className="typography-meta mt-1.5 overflow-x-auto whitespace-pre-wrap break-words text-foreground/90 font-mono">
{command}
</pre>
) : null}
{hasOutput ? (
<div className="mt-2 border-t border-border/60 pt-1.5">
<div className="flex items-center gap-3 flex-wrap">
<button
type="button"
className="typography-meta text-muted-foreground hover:text-foreground transition-colors underline underline-offset-2"
onClick={() => setExpanded((value) => !value)}
>
{expanded ? 'Hide output' : 'Show output'}
</button>
<button
type="button"
className="inline-flex items-center justify-center text-muted-foreground hover:text-foreground transition-colors"
onClick={() => {
void copyOutputToClipboard();
}}
aria-label={copiedOutput ? 'Copied' : 'Copy output'}
title={copiedOutput ? 'Copied' : 'Copy output'}
>
{copiedOutput ? <RiCheckLine className="h-3.5 w-3.5" /> : <RiFileCopyLine className="h-3.5 w-3.5" />}
</button>
</div>
{expanded ? (
<pre className="typography-meta mt-1.5 max-h-56 overflow-auto whitespace-pre-wrap break-words text-foreground/85 font-mono">
{output}
</pre>
) : null}
</div>
) : null}
</div>
);
};
const formatTurnDuration = (durationMs: number): string => {
const totalSeconds = durationMs / 1000;
if (totalSeconds < 60) {
return `${totalSeconds.toFixed(1)}s`;
}
const minutes = Math.floor(totalSeconds / 60);
const seconds = Math.round(totalSeconds % 60);
return `${minutes}m ${seconds}s`;
};
const ACTIVITY_STANDALONE_TOOL_NAMES = new Set<string>(['task']);
const isActivityStandaloneTool = (toolName: unknown): boolean => {
return typeof toolName === 'string' && ACTIVITY_STANDALONE_TOOL_NAMES.has(toolName.toLowerCase());
};
interface MessageBodyProps {
messageId: string;
parts: Part[];
isUser: boolean;
isMessageCompleted: boolean;
messageFinish?: string;
messageCompletedAt?: number;
syntaxTheme: { [key: string]: React.CSSProperties };
isMobile: boolean;
hasTouchInput?: boolean;
copiedCode: string | null;
onCopyCode: (code: string) => void;
expandedTools: Set<string>;
onToggleTool: (toolId: string) => void;
onShowPopup: (content: ToolPopupContent) => void;
streamPhase: StreamPhase;
allowAnimation: boolean;
onContentChange?: (reason?: ContentChangeReason, messageId?: string) => void;
shouldShowHeader?: boolean;
hasTextContent?: boolean;
onCopyMessage?: () => void;
copiedMessage?: boolean;
onAuxiliaryContentComplete?: () => void;
showReasoningTraces?: boolean;
agentMention?: AgentMentionInfo;
turnGroupingContext?: TurnGroupingContext;
onRevert?: () => void;
onFork?: () => void;
errorMessage?: string;
}
const UserMessageBody: React.FC<{
messageId: string;
parts: Part[];
isMobile: boolean;
hasTouchInput?: boolean;
hasTextContent?: boolean;
onCopyMessage?: () => void;
copiedMessage?: boolean;
onShowPopup: (content: ToolPopupContent) => void;
agentMention?: AgentMentionInfo;
onRevert?: () => void;
onFork?: () => void;
}> = ({ messageId, parts, isMobile, hasTouchInput, hasTextContent, onCopyMessage, copiedMessage, onShowPopup, agentMention, onRevert, onFork }) => {
const [copyHintVisible, setCopyHintVisible] = React.useState(false);
const copyHintTimeoutRef = React.useRef<number | null>(null);
const userContentParts = React.useMemo(() => {
return parts.filter((part) => {
if (part.type === 'text') {
return !isEmptyTextPart(part);
}
if (isSubtaskPart(part)) {
return true;
}
if (isShellActionPart(part)) {
return true;
}
return false;
});
}, [parts]);
const mentionToken = agentMention?.token;
let mentionInjected = false;
const canCopyMessage = Boolean(onCopyMessage);
const isMessageCopied = Boolean(copiedMessage);
const isTouchContext = Boolean(hasTouchInput ?? isMobile);
const hasCopyableText = Boolean(hasTextContent);
const clearCopyHintTimeout = React.useCallback(() => {
if (copyHintTimeoutRef.current !== null && typeof window !== 'undefined') {
window.clearTimeout(copyHintTimeoutRef.current);
copyHintTimeoutRef.current = null;
}
}, []);
const revealCopyHint = React.useCallback(() => {
if (!isTouchContext || !canCopyMessage || !hasCopyableText || typeof window === 'undefined') {
return;
}
clearCopyHintTimeout();
setCopyHintVisible(true);
copyHintTimeoutRef.current = window.setTimeout(() => {
setCopyHintVisible(false);
copyHintTimeoutRef.current = null;
}, 1800);
}, [canCopyMessage, clearCopyHintTimeout, hasCopyableText, isTouchContext]);
React.useEffect(() => {
if (!hasCopyableText) {
setCopyHintVisible(false);
clearCopyHintTimeout();
}
}, [clearCopyHintTimeout, hasCopyableText]);
const handleCopyButtonClick = React.useCallback(
(event: React.MouseEvent<HTMLButtonElement>) => {
if (!onCopyMessage || !hasCopyableText) {
return;
}
event.stopPropagation();
event.preventDefault();
onCopyMessage();
if (isTouchContext) {
revealCopyHint();
}
},
[hasCopyableText, isTouchContext, onCopyMessage, revealCopyHint]
);
return (
<div
className="relative w-full group/message"
style={{ contain: 'layout', transform: 'translateZ(0)' }}
onTouchStart={isTouchContext && canCopyMessage && hasCopyableText ? revealCopyHint : undefined}
>
<div className="leading-relaxed overflow-hidden text-foreground/90 text-base">
{userContentParts.map((part, index) => {
if (isSubtaskPart(part)) {
return (
<FadeInOnReveal key={part.id ?? `user-subtask-${index}`}>
<UserSubtaskPart part={part} />
</FadeInOnReveal>
);
}
if (isShellActionPart(part)) {
return (
<FadeInOnReveal key={part.id ?? `user-shell-${index}`}>
<UserShellActionPart part={part} />
</FadeInOnReveal>
);
}
let mentionForPart: AgentMentionInfo | undefined;
if (agentMention && mentionToken && !mentionInjected) {
const candidateText = extractTextContent(part);
if (candidateText.includes(mentionToken)) {
mentionForPart = agentMention;
mentionInjected = true;
}
}
return (
<FadeInOnReveal key={part.id ?? `user-text-${index}`}>
<UserTextPart
part={part}
messageId={messageId}
isMobile={isMobile}
agentMention={mentionForPart}
/>
</FadeInOnReveal>
);
})}
</div>
<MessageFilesDisplay files={parts} onShowPopup={onShowPopup} compact />
{(canCopyMessage && hasCopyableText) || onRevert || onFork ? (
<div className={cn(
"absolute top-full left-0 right-0 z-10 group/user-actions",
isMobile ? "pt-2 pb-3" : "pt-5"
)}>
<div
className={cn(
"flex translate-x-5 items-center justify-end gap-1",
isMobile
? "pointer-events-auto opacity-100"
: "pointer-events-none opacity-0 transition-opacity duration-150 group-hover/message:pointer-events-auto group-hover/message:opacity-100 group-hover/user-actions:pointer-events-auto group-hover/user-actions:opacity-100"
)}
>
{onRevert && (
<Tooltip delayDuration={1000}>
<TooltipTrigger asChild>
<Button
type="button"
variant="ghost"
size="icon"
className="h-6 w-6 text-muted-foreground bg-transparent hover:text-foreground hover:!bg-transparent active:!bg-transparent focus-visible:!bg-transparent focus-visible:ring-2 focus-visible:ring-primary/50"
aria-label="Revert to this message"
onPointerDown={(event) => event.stopPropagation()}
onClick={(event) => {
event.stopPropagation();
onRevert();
}}
>
<RiArrowGoBackLine className="h-3 w-3" />
</Button>
</TooltipTrigger>
<TooltipContent sideOffset={6}>Revert from here</TooltipContent>
</Tooltip>
)}
{onFork && (
<Tooltip delayDuration={1000}>
<TooltipTrigger asChild>
<Button
type="button"
variant="ghost"
size="icon"
className="h-6 w-6 text-muted-foreground bg-transparent hover:text-foreground hover:!bg-transparent active:!bg-transparent focus-visible:!bg-transparent focus-visible:ring-2 focus-visible:ring-primary/50"
onPointerDown={(event) => event.stopPropagation()}
onClick={(event) => {
event.stopPropagation();
onFork();
}}
>
<RiGitBranchLine className="h-3 w-3" />
</Button>
</TooltipTrigger>
<TooltipContent sideOffset={6}>Fork from here</TooltipContent>
</Tooltip>
)}
{canCopyMessage && hasCopyableText && (
<Tooltip delayDuration={1000}>
<TooltipTrigger asChild>
<Button
type="button"
variant="ghost"
size="icon"
data-visible={copyHintVisible || isMessageCopied ? 'true' : undefined}
className="h-6 w-6 text-muted-foreground bg-transparent hover:text-foreground hover:!bg-transparent active:!bg-transparent focus-visible:!bg-transparent focus-visible:ring-2 focus-visible:ring-primary/50"
aria-label="Copy message text"
onPointerDown={(event) => event.stopPropagation()}
onClick={handleCopyButtonClick}
onFocus={() => setCopyHintVisible(true)}
onBlur={() => {
if (!isMessageCopied) {
setCopyHintVisible(false);
}
}}
>
{isMessageCopied ? (
<RiCheckLine className="h-3 w-3 text-[color:var(--status-success)]" />
) : (
<RiFileCopyLine className="h-3 w-3" />
)}
</Button>
</TooltipTrigger>
<TooltipContent sideOffset={6}>Copy message</TooltipContent>
</Tooltip>
)}
</div>
</div>
) : null}
</div>
);
};
const AssistantMessageBody: React.FC<Omit<MessageBodyProps, 'isUser'>> = ({
messageId,
parts,
isMessageCompleted,
messageFinish,
messageCompletedAt,
syntaxTheme,
isMobile,
hasTouchInput,
expandedTools,
onToggleTool,
onShowPopup,
streamPhase: _streamPhase,
allowAnimation: _allowAnimation,
onContentChange,
hasTextContent = false,
onCopyMessage,
copiedMessage = false,
onAuxiliaryContentComplete,
showReasoningTraces = false,
turnGroupingContext,
errorMessage,
}) => {
void _streamPhase;
void _allowAnimation;
const [copyHintVisible, setCopyHintVisible] = React.useState(false);
const copyHintTimeoutRef = React.useRef<number | null>(null);
const messageContentRef = React.useRef<HTMLDivElement>(null);
const canCopyMessage = Boolean(onCopyMessage);
const isMessageCopied = Boolean(copiedMessage);
const isTouchContext = Boolean(hasTouchInput ?? isMobile);
const awaitingMessageCompletion = !isMessageCompleted;
const visibleParts = React.useMemo(() => {
return parts
.filter((part) => !isEmptyTextPart(part))
.filter((part) => {
const rawPart = part as Record<string, unknown>;
return rawPart.type !== 'compaction';
});
}, [parts]);
const toolParts = React.useMemo(() => {
return visibleParts.filter((part): part is ToolPartType => part.type === 'tool');
}, [visibleParts]);
const assistantTextParts = React.useMemo(() => {
return visibleParts.filter((part) => part.type === 'text');
}, [visibleParts]);
const createSessionFromAssistantMessage = useSessionStore((state) => state.createSessionFromAssistantMessage);
const openMultiRunLauncherWithPrompt = useUIStore((state) => state.openMultiRunLauncherWithPrompt);
const isLastAssistantInTurn = turnGroupingContext?.isLastAssistantInTurn ?? false;
const hasStopFinish = messageFinish === 'stop';
// TTS for message playback
const { isPlaying: isTTSPlaying, play: playTTS, stop: stopTTS } = useMessageTTS();
const showMessageTTSButtons = useConfigStore((state) => state.showMessageTTSButtons);
const voiceProvider = useConfigStore((state) => state.voiceProvider);
const readAloudTooltip = React.useMemo(() => {
if (isTTSPlaying) {
return 'Stop speaking';
}
const providerLabel = voiceProvider === 'browser' ? 'Browser' : voiceProvider === 'openai' ? 'OpenAI' : 'Say';
return `Read aloud (${providerLabel} voice)`;
}, [isTTSPlaying, voiceProvider]);
const hasTools = toolParts.length > 0;
const hasPendingTools = React.useMemo(() => {
return toolParts.some((toolPart) => {
const state = (toolPart as Record<string, unknown>).state as Record<string, unknown> | undefined ?? {};
const status = state?.status;
return status === 'pending' || status === 'running' || status === 'started';
});
}, [toolParts]);
const isToolFinalized = React.useCallback((toolPart: ToolPartType) => {
const state = (toolPart as Record<string, unknown>).state as Record<string, unknown> | undefined ?? {};
const status = state?.status;
if (status === 'pending' || status === 'running' || status === 'started') {
return false;
}
const time = state?.time as Record<string, unknown> | undefined ?? {};
const endTime = typeof time?.end === 'number' ? time.end : undefined;
const startTime = typeof time?.start === 'number' ? time.start : undefined;
if (typeof endTime !== 'number') {
return false;
}
if (typeof startTime === 'number' && endTime < startTime) {
return false;
}
return true;
}, []);
const allToolsFinalized = React.useMemo(() => {
if (toolParts.length === 0) {
return true;
}
if (hasPendingTools) {
return false;
}
return toolParts.every((toolPart) => isToolFinalized(toolPart));
}, [toolParts, hasPendingTools, isToolFinalized]);
const reasoningParts = React.useMemo(() => {
return visibleParts.filter((part) => part.type === 'reasoning');
}, [visibleParts]);
const reasoningComplete = React.useMemo(() => {
if (reasoningParts.length === 0) {
return true;
}
return reasoningParts.every((part) => {
const time = (part as Record<string, unknown>).time as { end?: number } | undefined;
return typeof time?.end === 'number';
});
}, [reasoningParts]);
// Message is considered to have an "open step" if info.finish is not yet present
const hasOpenStep = typeof messageFinish !== 'string';
const shouldHoldForReasoning =
reasoningParts.length > 0 &&
hasTools &&
(hasPendingTools || hasOpenStep || !allToolsFinalized);
const shouldHoldTools = awaitingMessageCompletion
|| (hasTools && (hasPendingTools || hasOpenStep || !allToolsFinalized));
const shouldHoldReasoning = awaitingMessageCompletion || shouldHoldForReasoning;
const hasAuxiliaryContent = hasTools || reasoningParts.length > 0;
const isTextlessAssistantMessage = assistantTextParts.length === 0;
const auxiliaryContentComplete = hasAuxiliaryContent && isTextlessAssistantMessage && !shouldHoldTools && !shouldHoldReasoning && allToolsFinalized && reasoningComplete;
const auxiliaryCompletionAnnouncedRef = React.useRef(false);
const soloReasoningScrollTriggeredRef = React.useRef(false);
React.useEffect(() => {
soloReasoningScrollTriggeredRef.current = false;
}, [messageId]);
React.useEffect(() => {
if (!auxiliaryContentComplete) {
auxiliaryCompletionAnnouncedRef.current = false;
return;
}
if (auxiliaryCompletionAnnouncedRef.current) {
return;
}
auxiliaryCompletionAnnouncedRef.current = true;
onAuxiliaryContentComplete?.();
}, [auxiliaryContentComplete, onAuxiliaryContentComplete]);
React.useEffect(() => {
if (awaitingMessageCompletion) {
soloReasoningScrollTriggeredRef.current = false;
return;
}
if (hasTools) {
soloReasoningScrollTriggeredRef.current = false;
return;
}
if (reasoningParts.length === 0) {
return;
}
if (shouldHoldReasoning || !reasoningComplete) {
return;
}
if (soloReasoningScrollTriggeredRef.current) {
return;
}
soloReasoningScrollTriggeredRef.current = true;
onContentChange?.('structural');
}, [awaitingMessageCompletion, hasTools, onContentChange, reasoningComplete, reasoningParts.length, shouldHoldReasoning]);
const hasCopyableText = Boolean(hasTextContent) && !awaitingMessageCompletion;
const clearCopyHintTimeout = React.useCallback(() => {
if (copyHintTimeoutRef.current !== null && typeof window !== 'undefined') {
window.clearTimeout(copyHintTimeoutRef.current);
copyHintTimeoutRef.current = null;
}
}, []);
const revealCopyHint = React.useCallback(() => {
if (!isTouchContext || !canCopyMessage || !hasCopyableText || typeof window === 'undefined') {
return;
}
clearCopyHintTimeout();
setCopyHintVisible(true);
copyHintTimeoutRef.current = window.setTimeout(() => {
setCopyHintVisible(false);
copyHintTimeoutRef.current = null;
}, 1800);
}, [canCopyMessage, clearCopyHintTimeout, hasCopyableText, isTouchContext]);
React.useEffect(() => {
if (!hasCopyableText) {
setCopyHintVisible(false);
clearCopyHintTimeout();
}
}, [clearCopyHintTimeout, hasCopyableText]);
const handleCopyButtonClick = React.useCallback(
(event: React.MouseEvent<HTMLButtonElement>) => {
if (!onCopyMessage || !hasCopyableText) {
return;
}
event.stopPropagation();
event.preventDefault();
onCopyMessage();
if (isTouchContext) {
revealCopyHint();
}
},
[hasCopyableText, isTouchContext, onCopyMessage, revealCopyHint]
);
const handleForkClick = React.useCallback(
(event: React.MouseEvent<HTMLButtonElement>) => {
event.stopPropagation();
event.preventDefault();
if (!createSessionFromAssistantMessage) {
return;
}
void createSessionFromAssistantMessage(messageId);
},
[createSessionFromAssistantMessage, messageId]
);
const handleForkMultiRunClick = React.useCallback(
(event: React.MouseEvent<HTMLButtonElement>) => {
event.stopPropagation();
event.preventDefault();
const assistantPlanText = flattenAssistantTextParts(assistantTextParts);
if (!assistantPlanText.trim()) {
return;
}
const prefilledPrompt = `${MULTIRUN_EXECUTION_FORK_PROMPT_META_TEXT}\n\n${assistantPlanText}`;
openMultiRunLauncherWithPrompt(prefilledPrompt);
},
[assistantTextParts, openMultiRunLauncherWithPrompt]
);
const handleTTSClick = React.useCallback(
(event: React.MouseEvent<HTMLButtonElement>) => {
event.stopPropagation();
event.preventDefault();
if (isTTSPlaying) {
stopTTS();
return;
}
const messageText = flattenAssistantTextParts(assistantTextParts);
if (messageText.trim()) {
void playTTS(messageText);
}
},
[assistantTextParts, isTTSPlaying, playTTS, stopTTS]
);
React.useEffect(() => {
return () => {
clearCopyHintTimeout();
};
}, [clearCopyHintTimeout]);
const toolConnections = React.useMemo(() => {
const connections: Record<string, { hasPrev: boolean; hasNext: boolean }> = {};
const displayableTools = toolParts.filter((toolPart) => {
if (isActivityStandaloneTool(toolPart.tool)) {
return false;
}
if (shouldHoldTools) {
return false;
}
return isToolFinalized(toolPart);
});
displayableTools.forEach((toolPart, index) => {
connections[toolPart.id] = {
hasPrev: index > 0,
hasNext: index < displayableTools.length - 1,
};
});
return connections;
}, [toolParts, shouldHoldTools, isToolFinalized]);
const activityPartsForTurn = React.useMemo(() => {
return turnGroupingContext?.activityParts ?? [];
}, [turnGroupingContext]);
const activityPartsForMessage = React.useMemo(() => {
if (!turnGroupingContext) return [];
return activityPartsForTurn.filter((activity) => activity.messageId === messageId);
}, [activityPartsForTurn, messageId, turnGroupingContext]);
const activityGroupSegmentsForMessage = React.useMemo(() => {
if (!turnGroupingContext) return [];
return turnGroupingContext.activityGroupSegments.filter((segment) => segment.anchorMessageId === messageId);
}, [messageId, turnGroupingContext]);
const activityPartsByPart = React.useMemo(() => {
const map = new Map<Part, (typeof activityPartsForMessage)[number]>();
activityPartsForMessage.forEach((activity) => {
map.set(activity.part, activity);
});
return map;
}, [activityPartsForMessage]);
const visibleActivityPartsForTurn = React.useMemo(() => {
if (!turnGroupingContext) return [];
// Filter out reasoning if showReasoningTraces is off.
// Justification parts are already filtered at the source (useTurnGrouping)
// based on showTextJustificationActivity, so we keep them here.
const base = !showReasoningTraces
? activityPartsForTurn.filter((activity) => activity.kind !== 'reasoning')
: activityPartsForTurn;
// Tools rendered standalone are excluded from Activity group.
return base.filter((activity) => {
if (activity.kind !== 'tool') {
return true;
}
const toolName = (activity.part as ToolPartType).tool;
return !isActivityStandaloneTool(toolName);
});
}, [activityPartsForTurn, showReasoningTraces, turnGroupingContext]);
const [hasEverHadMultipleVisibleActivities, setHasEverHadMultipleVisibleActivities] = React.useState(false);
React.useEffect(() => {
if (!turnGroupingContext) {
return;
}
const hasTaskSplitSegments = turnGroupingContext.activityGroupSegments.some(
(segment) => segment.afterToolPartId !== null
);
const hasReasoningActivity = visibleActivityPartsForTurn.some(
(activity) => activity.kind === 'reasoning'
);
if (
visibleActivityPartsForTurn.length > 1 ||
(hasTaskSplitSegments && visibleActivityPartsForTurn.length > 0) ||
hasReasoningActivity
) {
setHasEverHadMultipleVisibleActivities(true);
}
}, [turnGroupingContext, visibleActivityPartsForTurn]);
const shouldShowActivityGroup = Boolean(turnGroupingContext && hasEverHadMultipleVisibleActivities);
const shouldRenderActivityGroup = Boolean(
turnGroupingContext &&
shouldShowActivityGroup &&
visibleActivityPartsForTurn.length > 0 &&
activityGroupSegmentsForMessage.length > 0
);
const standaloneToolParts = React.useMemo(() => {
return toolParts.filter((toolPart) => isActivityStandaloneTool(toolPart.tool));
}, [toolParts]);
const renderedParts = React.useMemo(() => {
const rendered: React.ReactNode[] = [];
const renderActivitySegments = (afterToolPartId: string | null) => {
if (!turnGroupingContext || !shouldRenderActivityGroup) {
return;
}
activityGroupSegmentsForMessage
.filter((segment) => (segment.afterToolPartId ?? null) === afterToolPartId)
.forEach((segment) => {
// Filter out reasoning if showReasoningTraces is off.
// Justification parts are already filtered at the source (useTurnGrouping)
// based on showTextJustificationActivity, so we keep them here.
const visibleSegmentParts = !showReasoningTraces
? segment.parts.filter((activity) => activity.kind !== 'reasoning')
: segment.parts;
if (visibleSegmentParts.length === 0) {
return;
}
rendered.push(
<ProgressiveGroup
key={`progressive-group-${segment.id}`}
parts={visibleSegmentParts}
isExpanded={turnGroupingContext.isGroupExpanded}
onToggle={turnGroupingContext.toggleGroup}
syntaxTheme={syntaxTheme}
isMobile={isMobile}
expandedTools={expandedTools}
onToggleTool={onToggleTool}
onShowPopup={onShowPopup}
onContentChange={onContentChange}
diffStats={turnGroupingContext.diffStats}
/>
);
});
};
// Activity groups and standalone tasks are interleaved in message order.
// Note: Reasoning parts are rendered in the visibleParts.forEach loop below
// when Activity group isn't showing, to maintain proper ordering with tools.
renderActivitySegments(null);
standaloneToolParts.forEach((standaloneToolPart) => {
rendered.push(
<FadeInOnReveal key={`standalone-tool-${standaloneToolPart.id}`}>
<ToolPart
part={standaloneToolPart}
isExpanded={expandedTools.has(standaloneToolPart.id)}
onToggle={onToggleTool}
syntaxTheme={syntaxTheme}
isMobile={isMobile}
onContentChange={onContentChange}
hasPrevTool={false}
hasNextTool={false}
/>
</FadeInOnReveal>
);
renderActivitySegments(standaloneToolPart.id);
});
const partsWithTime: Array<{
part: Part;
index: number;
endTime: number | null;
element: React.ReactNode;
}> = [];
visibleParts.forEach((part, index) => {
const activity = activityPartsByPart.get(part);
if (!activity) {
return;
}
if (!turnGroupingContext) {
return;
}
let endTime: number | null = null;
let element: React.ReactNode | null = null;
if (!shouldShowActivityGroup) {
if (activity.kind === 'tool') {
const toolPart = part as ToolPartType;
if (isActivityStandaloneTool(toolPart.tool)) {
return;
}
const toolState = (toolPart as { state?: { time?: { end?: number | null | undefined } | null | undefined } | null | undefined }).state;
const time = toolState?.time;
const isFinalized = isToolFinalized(toolPart);
const shouldShowTool = !shouldHoldTools && isFinalized;
if (!shouldShowTool) {
return;
}
const connection = toolConnections[toolPart.id];
const toolElement = (
<FadeInOnReveal key={`tool-${toolPart.id}`}>
<ToolPart
part={toolPart}
isExpanded={expandedTools.has(toolPart.id)}
onToggle={onToggleTool}
syntaxTheme={syntaxTheme}
isMobile={isMobile}
onContentChange={onContentChange}
hasPrevTool={connection?.hasPrev ?? false}
hasNextTool={connection?.hasNext ?? false}
/>
</FadeInOnReveal>
);
element = toolElement;
endTime = isFinalized && typeof time?.end === 'number' ? time.end : null;
} else if (activity.kind === 'reasoning' && showReasoningTraces) {
// Fallback rendering for reasoning when Activity group isn't shown
const time = (part as { time?: { end?: number | null | undefined } | null | undefined }).time;
const partEndTime = typeof time?.end === 'number' ? time.end : null;
const reasoningElement = (
<FadeInOnReveal key={`reasoning-${activity.id}`}>
<ReasoningPart
part={part}
messageId={messageId}
onContentChange={onContentChange}
/>
</FadeInOnReveal>
);
element = reasoningElement;
endTime = partEndTime;
}
if (element) {
partsWithTime.push({
part,
index,
endTime,
element,
});
}
}
});
partsWithTime.sort((a, b) => {
if (a.endTime === null && b.endTime === null) {
return a.index - b.index;
}
if (a.endTime === null) {
return 1;
}
if (b.endTime === null) {
return -1;
}
return a.endTime - b.endTime;
});
partsWithTime.forEach(({ element }) => {
rendered.push(element);
});
return rendered;
}, [
activityPartsByPart,
activityGroupSegmentsForMessage,
expandedTools,
isMobile,
isToolFinalized,
messageId,
onContentChange,
onShowPopup,
onToggleTool,
shouldHoldTools,
shouldShowActivityGroup,
showReasoningTraces,
syntaxTheme,
toolConnections,
turnGroupingContext,
visibleParts,
standaloneToolParts,
shouldRenderActivityGroup,
]);
const userMessageId = turnGroupingContext?.turnId;
const currentSessionId = useSessionStore((state) => state.currentSessionId);
const rawSummaryBodyFromStore = useMessageStore((state) => {
if (!userMessageId || !currentSessionId) return undefined;
const sessionMessages = state.messages.get(currentSessionId);
if (!sessionMessages) return undefined;
const userMsg = sessionMessages.find((m) => m.info?.id === userMessageId);
if (!userMsg) return undefined;
const summary = (userMsg.info as { summary?: { body?: string | null | undefined } | null | undefined }).summary;
const body = summary?.body;
return typeof body === 'string' && body.trim().length > 0 ? body : undefined;
});
const summaryCandidate =
typeof turnGroupingContext?.summaryBody === 'string' && turnGroupingContext.summaryBody.trim().length > 0
? turnGroupingContext.summaryBody
: rawSummaryBodyFromStore;
const summaryBodyRef = React.useRef<string | undefined>(undefined);
if (summaryCandidate && summaryCandidate.trim().length > 0) {
summaryBodyRef.current = summaryCandidate;
}
const prevUserMessageId = React.useRef(userMessageId);
if (prevUserMessageId.current !== userMessageId) {
prevUserMessageId.current = userMessageId;
summaryBodyRef.current = undefined;
}
const summaryBody = summaryBodyRef.current;
const showSummaryBody =
turnGroupingContext?.isLastAssistantInTurn &&
summaryBody &&
summaryBody.trim().length > 0;
const showErrorMessage = Boolean(errorMessage);
const shouldShowFooter = isLastAssistantInTurn && hasTextContent && (hasStopFinish || Boolean(errorMessage));
const turnDurationText = React.useMemo(() => {
if (!isLastAssistantInTurn || !hasStopFinish) return undefined;
const userCreatedAt = turnGroupingContext?.userMessageCreatedAt;
if (typeof userCreatedAt !== 'number' || typeof messageCompletedAt !== 'number') return undefined;
if (messageCompletedAt <= userCreatedAt) return undefined;
return formatTurnDuration(messageCompletedAt - userCreatedAt);
}, [isLastAssistantInTurn, hasStopFinish, turnGroupingContext?.userMessageCreatedAt, messageCompletedAt]);
const footerButtons = (
<>
{onCopyMessage && (
<Tooltip delayDuration={1000}>
<TooltipTrigger asChild>
<Button
type="button"
variant="ghost"
size="icon"
data-visible={copyHintVisible || isMessageCopied ? 'true' : undefined}
className={cn(
'h-8 w-8 text-muted-foreground bg-transparent hover:text-foreground hover:!bg-transparent active:!bg-transparent focus-visible:!bg-transparent focus-visible:ring-2 focus-visible:ring-primary/50',
!hasCopyableText && 'opacity-50'
)}
disabled={!hasCopyableText}
aria-label="Copy message text"
aria-hidden={!hasCopyableText}
onPointerDown={(event) => event.stopPropagation()}
onClick={handleCopyButtonClick}
onFocus={() => {
if (hasCopyableText) {
setCopyHintVisible(true);
}
}}
onBlur={() => {
if (!isMessageCopied) {
setCopyHintVisible(false);
}
}}
>
{isMessageCopied ? (
<RiCheckLine className="h-3.5 w-3.5 text-[color:var(--status-success)]" />
) : (
<RiFileCopyLine className="h-3.5 w-3.5" />
)}
</Button>
</TooltipTrigger>
<TooltipContent sideOffset={6}>Copy answer</TooltipContent>
</Tooltip>
)}
<Tooltip delayDuration={1000}>
<TooltipTrigger asChild>
<Button
type="button"
size="icon"
variant="ghost"
className="h-8 w-8 text-muted-foreground bg-transparent hover:text-foreground hover:!bg-transparent active:!bg-transparent focus-visible:!bg-transparent focus-visible:ring-2 focus-visible:ring-primary/50"
onPointerDown={(event) => event.stopPropagation()}
onClick={handleForkClick}
>
<RiChatNewLine className="h-4 w-4" />
</Button>
</TooltipTrigger>
<TooltipContent sideOffset={6}>Start new session from this answer</TooltipContent>
</Tooltip>
<Tooltip delayDuration={1000}>
<TooltipTrigger asChild>
<Button
type="button"
size="icon"
variant="ghost"
className="h-8 w-8 text-muted-foreground bg-transparent hover:text-foreground hover:!bg-transparent active:!bg-transparent focus-visible:!bg-transparent focus-visible:ring-2 focus-visible:ring-primary/50"
onPointerDown={(event) => event.stopPropagation()}
onClick={handleForkMultiRunClick}
>
<ArrowsMerge className="h-4 w-4" />
</Button>
</TooltipTrigger>
<TooltipContent sideOffset={6}>Start new multi-run from this answer</TooltipContent>
</Tooltip>
{showMessageTTSButtons && hasCopyableText && (
<Tooltip delayDuration={1000}>
<TooltipTrigger asChild>
<Button
type="button"
variant="ghost"
size="icon"
className={cn(
'h-8 w-8 bg-transparent hover:!bg-transparent active:!bg-transparent focus-visible:!bg-transparent focus-visible:ring-2 focus-visible:ring-primary/50',
isTTSPlaying ? 'text-green-500' : 'text-muted-foreground hover:text-foreground'
)}
aria-label={isTTSPlaying ? 'Stop speaking' : 'Read aloud'}
onPointerDown={(event) => event.stopPropagation()}
onClick={handleTTSClick}
>
{isTTSPlaying ? (
<RiStopLine className="h-3.5 w-3.5" />
) : (
<RiVolumeUpLine className="h-3.5 w-3.5" />
)}
</Button>
</TooltipTrigger>
<TooltipContent sideOffset={6}>{readAloudTooltip}</TooltipContent>
</Tooltip>
)}
</>
);
return (
<div
ref={messageContentRef}
className={cn(
'relative w-full group/message'
)}
style={{
contain: 'layout',
transform: 'translateZ(0)',
}}
onTouchStart={isTouchContext && canCopyMessage && hasCopyableText ? revealCopyHint : undefined}
>
<TextSelectionMenu containerRef={messageContentRef} />
<div>
<div
className="message-content-text leading-relaxed overflow-hidden text-foreground/90 [&_p:last-child]:mb-0 [&_ul:last-child]:mb-0 [&_ol:last-child]:mb-0"
>
{renderedParts}
{showErrorMessage && (
<FadeInOnReveal key="assistant-error">
<div className="group/assistant-text relative break-words">
<SimpleMarkdownRenderer content={errorMessage ?? ''} />
</div>
</FadeInOnReveal>
)}
{showSummaryBody && (
<FadeInOnReveal key="summary-body">
<div
className="group/assistant-text relative break-words"
>
<SimpleMarkdownRenderer content={summaryBody} />
{shouldShowFooter && (
<div className="mt-2 mb-1 flex items-center justify-start gap-1.5">
<div className="flex items-center gap-1.5">
{footerButtons}
</div>
{turnDurationText ? (
<span className="text-sm text-muted-foreground/60 tabular-nums flex items-center gap-1">
<RiHourglassLine className="h-3.5 w-3.5" />
{turnDurationText}
</span>
) : null}
</div>
)}
</div>
</FadeInOnReveal>
)}
</div>
<MessageFilesDisplay files={parts} onShowPopup={onShowPopup} />
{!showSummaryBody && shouldShowFooter && (
<div className="mt-2 mb-1 flex items-center justify-start gap-1.5">
<div className="flex items-center gap-1.5">
{footerButtons}
</div>
{turnDurationText ? (
<span className="text-sm text-muted-foreground/60 tabular-nums flex items-center gap-1">
<RiHourglassLine className="h-3.5 w-3.5" />
{turnDurationText}
</span>
) : null}
</div>
)}
</div>
</div>
);
};
const MessageBody: React.FC<MessageBodyProps> = ({ isUser, ...props }) => {
if (isUser) {
return (
<UserMessageBody
messageId={props.messageId}
parts={props.parts}
isMobile={props.isMobile}
hasTouchInput={props.hasTouchInput}
hasTextContent={props.hasTextContent}
onCopyMessage={props.onCopyMessage}
copiedMessage={props.copiedMessage}
onShowPopup={props.onShowPopup}
agentMention={props.agentMention}
onRevert={props.onRevert}
onFork={props.onFork}
/>
);
}
return <AssistantMessageBody {...props} />;
};
export default React.memo(MessageBody);