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* @license
* Copyright 2026 Google LLC
* SPDX-License-Identifier: Apache-2.0
*/
import type React from 'react';
import {
createContext,
useContext,
useCallback,
useState,
useEffect,
} from 'react';
import {
IdeClient,
ToolConfirmationOutcome,
MessageBusType,
type Config,
type ToolConfirmationPayload,
type SerializableConfirmationDetails,
debugLogger,
} from '@google/gemini-cli-core';
import type { IndividualToolCallDisplay } from '../types.js';
type LegacyConfirmationDetails = SerializableConfirmationDetails & {
onConfirm: (
outcome: ToolConfirmationOutcome,
payload?: ToolConfirmationPayload,
) => Promise<void>;
};
function hasLegacyCallback(
details: SerializableConfirmationDetails | undefined,
): details is LegacyConfirmationDetails {
return (
!!details &&
'onConfirm' in details &&
typeof details.onConfirm === 'function'
);
}
interface ToolActionsContextValue {
confirm: (
callId: string,
outcome: ToolConfirmationOutcome,
payload?: ToolConfirmationPayload,
) => Promise<void>;
cancel: (callId: string) => Promise<void>;
isDiffingEnabled: boolean;
isExpanded: (callId: string) => boolean;
toggleExpansion: (callId: string) => void;
toggleAllExpansion: (callIds: string[]) => void;
}
const ToolActionsContext = createContext<ToolActionsContextValue | null>(null);
export const useToolActions = (): ToolActionsContextValue => {
const context = useContext(ToolActionsContext);
if (!context) {
throw new Error('useToolActions must be used within a ToolActionsProvider');
}
return context;
};
interface ToolActionsProviderProps {
children: React.ReactNode;
config: Config;
toolCalls: IndividualToolCallDisplay[];
isExpanded: (callId: string) => boolean;
toggleExpansion: (callId: string) => void;
toggleAllExpansion: (callIds: string[]) => void;
}
export const ToolActionsProvider: React.FC<ToolActionsProviderProps> = (
props: ToolActionsProviderProps,
) => {
const {
children,
config,
toolCalls,
isExpanded,
toggleExpansion,
toggleAllExpansion,
} = props;
// Hoist IdeClient logic here to keep UI pure
const [ideClient, setIdeClient] = useState<IdeClient | null>(null);
const [isDiffingEnabled, setIsDiffingEnabled] = useState(false);
useEffect(() => {
let isMounted = true;
let activeClient: IdeClient | null = null;
const handleStatusChange = () => {
if (isMounted && activeClient) {
setIsDiffingEnabled(activeClient.isDiffingEnabled());
}
};
if (config.getIdeMode()) {
IdeClient.getInstance()
.then((client) => {
if (!isMounted) return;
activeClient = client;
setIdeClient(client);
setIsDiffingEnabled(client.isDiffingEnabled());
client.addStatusChangeListener(handleStatusChange);
})
.catch((error) => {
debugLogger.error('Failed to get IdeClient instance:', error);
});
}
return () => {
isMounted = false;
if (activeClient) {
activeClient.removeStatusChangeListener(handleStatusChange);
}
};
}, [config]);
const confirm = useCallback(
async (
callId: string,
outcome: ToolConfirmationOutcome,
payload?: ToolConfirmationPayload,
) => {
const tool = toolCalls.find((t) => t.callId === callId);
if (!tool) {
debugLogger.warn(`ToolActions: Tool ${callId} not found`);
return;
}
const details = tool.confirmationDetails;
// 1. Handle Side Effects (IDE Diff)
if (
details?.type === 'edit' &&
isDiffingEnabled &&
'filePath' in details // Check for safety
) {
const cliOutcome =
outcome === ToolConfirmationOutcome.Cancel ? 'rejected' : 'accepted';
await ideClient?.resolveDiffFromCli(details.filePath, cliOutcome);
}
// 2. Dispatch via Event Bus
if (tool.correlationId) {
await config.getMessageBus().publish({
type: MessageBusType.TOOL_CONFIRMATION_RESPONSE,
correlationId: tool.correlationId,
confirmed: outcome !== ToolConfirmationOutcome.Cancel,
requiresUserConfirmation: false,
outcome,
payload,
});
return;
}
// 3. Fallback: Legacy Callback
if (hasLegacyCallback(details)) {
await details.onConfirm(outcome, payload);
return;
}
debugLogger.warn(
`ToolActions: No correlationId or callback for ${callId}`,
);
},
[config, ideClient, toolCalls, isDiffingEnabled],
);
const cancel = useCallback(
async (callId: string) => {
await confirm(callId, ToolConfirmationOutcome.Cancel);
},
[confirm],
);
return (
<ToolActionsContext.Provider
value={{
confirm,
cancel,
isDiffingEnabled,
isExpanded,
toggleExpansion,
toggleAllExpansion,
}}
>
{children}
</ToolActionsContext.Provider>
);
};
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