348 lines
12 KiB
TypeScript
348 lines
12 KiB
TypeScript
import ReturnArrow from "@/assets/icons/svg/returnArrow.svg";
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import Chat from "@/components/ask/chat";
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import AskHello from "@/components/ask/hello";
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import SendMessage from "@/components/ask/send";
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import { ThemedText } from "@/components/ThemedText";
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import { useWebSocketStreamHandler } from "@/hooks/useWebSocketStreamHandler";
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import { fetchApi } from "@/lib/server-api-util";
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import { Message } from "@/types/ask";
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import { useFocusEffect, useLocalSearchParams, useRouter } from "expo-router";
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import { useCallback, useEffect, useRef, useState } from 'react';
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import { useTranslation } from "react-i18next";
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import {
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Animated,
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FlatList,
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Keyboard,
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KeyboardAvoidingView,
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Platform,
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StyleSheet,
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TextInput,
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TouchableOpacity,
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View
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} from 'react-native';
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import { useAnimatedStyle, useSharedValue, withTiming } from 'react-native-reanimated';
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import { useSafeAreaInsets } from "react-native-safe-area-context";
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export default function AskScreen() {
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const router = useRouter();
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const insets = useSafeAreaInsets();
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const chatListRef = useRef<FlatList>(null);
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const isMountedRef = useRef(true);
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const scrollTimeoutRef = useRef<ReturnType<typeof setTimeout> | null>(null);
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const keyboardTimeoutRef = useRef<ReturnType<typeof setTimeout> | null>(null);
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const abortControllerRef = useRef<AbortController | null>(null);
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const [isHello, setIsHello] = useState(true);
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const [conversationId, setConversationId] = useState<string | null>(null);
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const [userMessages, setUserMessages] = useState<Message[]>([]);
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const [selectedImages, setSelectedImages] = useState<string[]>([]);
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const fadeAnim = useSharedValue(1);
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const fadeAnimChat = useSharedValue(0);
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const { t } = useTranslation();
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const { sessionId, newSession } = useLocalSearchParams<{
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sessionId: string;
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newSession: string;
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}>();
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// 创建一个安全的滚动函数
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const scrollToEnd = useCallback((animated = true) => {
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if (!isMountedRef.current || !chatListRef.current) return;
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// 清理之前的定时器
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if (scrollTimeoutRef.current) {
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clearTimeout(scrollTimeoutRef.current);
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}
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scrollTimeoutRef.current = setTimeout(() => {
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if (isMountedRef.current && chatListRef.current) {
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try {
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chatListRef.current.scrollToEnd({ animated });
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} catch (error) {
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console.warn('滚动到底部失败:', error);
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}
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}
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}, 100);
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}, []);
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// 清理函数
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const cleanup = useCallback(() => {
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isMountedRef.current = false;
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// 清理定时器
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if (scrollTimeoutRef.current) {
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clearTimeout(scrollTimeoutRef.current);
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scrollTimeoutRef.current = null;
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}
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if (keyboardTimeoutRef.current) {
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clearTimeout(keyboardTimeoutRef.current);
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keyboardTimeoutRef.current = null;
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}
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// 取消API请求
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if (abortControllerRef.current) {
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abortControllerRef.current.abort();
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abortControllerRef.current = null;
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}
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}, []);
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// 暂时注释掉复杂的useEffect逻辑
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// useEffect(() => {
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// if (!isHello && userMessages.length > 0 && isMountedRef.current) {
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// scrollToEnd();
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// }
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// }, [userMessages, isHello, scrollToEnd]);
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// useEffect(() => {
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// const keyboardDidShowListener = Keyboard.addListener(
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// 'keyboardDidShow',
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// (e) => {
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// if (keyboardTimeoutRef.current) {
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// clearTimeout(keyboardTimeoutRef.current);
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// }
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// keyboardTimeoutRef.current = setTimeout(() => {
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// if (isMountedRef.current && !isHello) {
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// scrollToEnd();
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// }
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// }, 100);
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// }
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// );
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// const keyboardDidHideListener = Keyboard.addListener(
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// 'keyboardDidHide',
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// () => {
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// if (keyboardTimeoutRef.current) {
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// clearTimeout(keyboardTimeoutRef.current);
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// }
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// keyboardTimeoutRef.current = setTimeout(() => {
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// if (isMountedRef.current && !isHello) {
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// scrollToEnd(false);
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// }
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// }, 100);
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// }
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// );
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// return () => {
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// keyboardDidShowListener.remove();
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// keyboardDidHideListener.remove();
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// if (keyboardTimeoutRef.current) {
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// clearTimeout(keyboardTimeoutRef.current);
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// }
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// };
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// }, [isHello, scrollToEnd]);
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// 暂时注释掉WebSocket hook来排查问题
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// const { subscribeToWebSocket } = useWebSocketStreamHandler({
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// setUserMessages,
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// isMounted: true,
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// enableBatching: false
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// });
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// useFocusEffect(
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// useCallback(() => {
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// isMountedRef.current = true;
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// const unsubscribe = subscribeToWebSocket();
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// return () => {
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// unsubscribe();
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// cleanup();
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// };
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// }, [subscribeToWebSocket, cleanup])
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// );
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// 创建动画样式
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const welcomeStyle = useAnimatedStyle(() => {
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return {
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opacity: fadeAnim.value,
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pointerEvents: isHello ? 'auto' : 'none',
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};
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});
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const chatStyle = useAnimatedStyle(() => {
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return {
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opacity: fadeAnimChat.value,
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pointerEvents: isHello ? 'none' : 'auto',
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};
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});
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// 暂时注释掉所有复杂的useEffect逻辑
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// useEffect(() => {
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// fadeAnim.value = withTiming(isHello ? 1 : 0, { duration: 300 });
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// fadeAnimChat.value = withTiming(isHello ? 0 : 1, { duration: 300 });
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// }, [isHello]);
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// useEffect(() => {
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// if (sessionId && isMountedRef.current) {
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// setConversationId(sessionId);
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// setIsHello(false);
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// abortControllerRef.current = new AbortController();
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// fetchApi<Message[]>(`/chats/${sessionId}/message-history`, {
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// signal: abortControllerRef.current.signal
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// }).then((res) => {
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// if (isMountedRef.current) {
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// setUserMessages(res);
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// }
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// }).catch((error) => {
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// if (error.name !== 'AbortError') {
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// console.error('获取消息历史失败:', error);
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// }
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// });
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// }
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// if (newSession && isMountedRef.current) {
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// setIsHello(true);
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// setConversationId(null);
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// }
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// }, [sessionId, newSession]);
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// useEffect(() => {
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// if (!isHello && isMountedRef.current) {
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// scrollToEnd(false);
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// }
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// }, [isHello, scrollToEnd]);
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// useFocusEffect(
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// useCallback(() => {
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// if (!sessionId && isMountedRef.current) {
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// setIsHello(true);
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// setUserMessages([]);
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// }
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// }, [sessionId])
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// );
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// useEffect(() => {
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// return () => {
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// cleanup();
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// };
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// }, [cleanup]);
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return (
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<View style={[styles.container, { paddingTop: insets.top, paddingBottom: insets.bottom }]}>
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{/* 导航栏 */}
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<View style={[styles.navbar, isHello && styles.hiddenNavbar]}>
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<TouchableOpacity
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style={styles.backButton}
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onPress={() => {
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try {
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if (TextInput.State?.currentlyFocusedInput) {
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const input = TextInput.State.currentlyFocusedInput();
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if (input) input.blur();
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}
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} catch (error) {
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console.log('失去焦点失败:', error);
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}
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Keyboard.dismiss();
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router.push('/memo-list');
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}}
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>
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<ReturnArrow />
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</TouchableOpacity>
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<ThemedText style={styles.title} onPress={() => { router.push('/owner') }}>MemoWake</ThemedText>
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<View style={styles.placeholder} />
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</View>
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<View style={styles.contentContainer}>
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{/* 欢迎页面 */}
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<Animated.View
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style={[styles.absoluteView, welcomeStyle, { zIndex: 1 }]}
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>
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<AskHello setUserMessages={setUserMessages} setConversationId={setConversationId} setIsHello={setIsHello} />
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</Animated.View>
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{/* 聊天页面 */}
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<Animated.View
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style={[styles.absoluteView, chatStyle, { zIndex: 0 }]}
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>
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<Chat
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ref={chatListRef}
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userMessages={userMessages}
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sessionId={sessionId}
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setSelectedImages={setSelectedImages}
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selectedImages={selectedImages}
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style={styles.chatContainer}
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contentContainerStyle={styles.chatContentContainer}
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showsVerticalScrollIndicator={false}
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// onContentSizeChange={() => scrollToEnd()}
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/>
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</Animated.View>
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</View>
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{/* 输入框区域 */}
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<KeyboardAvoidingView
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behavior={Platform.OS === "ios" ? "padding" : "height"}
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keyboardVerticalOffset={0} >
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<View style={styles.inputContainer} key={conversationId}>
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<SendMessage
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setIsHello={setIsHello}
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conversationId={conversationId}
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setConversationId={setConversationId}
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setUserMessages={setUserMessages}
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selectedImages={selectedImages}
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setSelectedImages={setSelectedImages}
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/>
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</View>
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</KeyboardAvoidingView>
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</View>
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);
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}
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const styles = StyleSheet.create({
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container: {
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flex: 1,
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backgroundColor: '#fff',
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},
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navbar: {
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flexDirection: 'row',
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alignItems: 'center',
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justifyContent: 'space-between',
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paddingVertical: 16,
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paddingHorizontal: 16,
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borderBottomWidth: 1,
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borderBottomColor: 'rgba(0,0,0,0.1)',
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elevation: 1, // Android
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shadowColor: '#000',
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shadowOffset: { width: 0, height: 1 },
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shadowOpacity: 0.1,
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shadowRadius: 1,
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},
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hiddenNavbar: {
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shadowOpacity: 0,
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elevation: 0,
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opacity: 0
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},
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backButton: {
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padding: 8,
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marginRight: 8,
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},
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title: {
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fontSize: 20,
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fontWeight: '600',
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textAlign: 'center',
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flex: 1,
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},
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placeholder: {
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width: 40,
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},
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contentContainer: {
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flex: 1,
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position: 'relative'
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},
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absoluteView: {
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position: 'absolute',
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top: 0,
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left: 0,
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right: 0,
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bottom: 0,
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backgroundColor: 'white',
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},
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chatContainer: {
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flex: 1,
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},
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chatContentContainer: {
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paddingBottom: 20,
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},
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inputContainer: {
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padding: 16,
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paddingBottom: 24,
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backgroundColor: 'white',
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// borderTopWidth: 1,
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// borderTopColor: '#f0f0f0',
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},
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}); |