mirror of
https://github.com/fromchat-messenger/web.git
synced 2026-09-22 19:15:08 +03:00
350 lines
15 KiB
TypeScript
350 lines
15 KiB
TypeScript
import { useState, useEffect, useRef } from "react";
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import { useAppState } from "@/pages/chat/state";
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import { MessagePanel, type MessagePanelState } from "./panels/MessagePanel";
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import { ChatMessages } from "./ChatMessages";
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import { ChatInputWrapper } from "./ChatInputWrapper";
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import { setGlobalMessageHandler } from "@/core/websocket";
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import type { Message, WebSocketMessage } from "@/core/types";
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import defaultAvatar from "@/images/default-avatar.png";
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import AnimatedOpacity from "@/core/components/animations/AnimatedOpacity";
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import type { DMPanel } from "./panels/DMPanel";
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import useAudioCall from "@/pages/chat/hooks/useAudioCall";
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interface MessagePanelRendererProps {
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panel: MessagePanel | null;
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}
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export function MessagePanelRenderer({ panel }: MessagePanelRendererProps) {
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const { applyPendingPanel, chat } = useAppState();
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const messagePanelRef = useRef<HTMLDivElement>(null);
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const [panelState, setPanelState] = useState<MessagePanelState | null>(null);
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const [switchIn, setSwitchIn] = useState(false);
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const [switchOut, setSwitchOut] = useState(false);
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const messagesEndRef = useRef<HTMLDivElement>(null);
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const previousMessageCountRef = useRef(0);
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const [replyTo, setReplyTo] = useState<Message | null>(null);
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const [replyToVisible, setReplyToVisible] = useState(Boolean(replyTo));
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const [editMessage, setEditMessage] = useState<Message | null>(null);
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const [editVisible, setEditVisible] = useState(Boolean(editMessage));
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const [pendingAction, setPendingAction] = useState<null | { type: "reply" | "edit"; message: Message }>(null);
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const { initiateCall } = useAudioCall();
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// Drag & drop
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const [isDragging, setIsDragging] = useState(false);
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const dragCounterRef = useRef(0);
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const addFilesRef = useRef<null | ((files: File[]) => void)>(null);
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useEffect(() => {
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if (!panel || !panelState) return;
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return () => {
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dragCounterRef.current = 0;
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setIsDragging(false);
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};
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}, [panel, panelState]);
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useEffect(() => {
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if (replyTo) {
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setReplyToVisible(true);
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}
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}, [replyTo]);
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useEffect(() => {
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if (editMessage) {
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setEditVisible(true);
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}
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}, [editMessage]);
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// Handle panel state changes
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useEffect(() => {
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if (panel) {
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setPanelState(panel.getState());
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// Store the handler for cleanup
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panel.onStateChange = (newState: MessagePanelState) => {
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setPanelState(newState);
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};
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// Set up WebSocket message handler for this panel
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if (panel.handleWebSocketMessage) {
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setGlobalMessageHandler((message: WebSocketMessage<any>) => panel.handleWebSocketMessage(message));
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}
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} else {
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setPanelState(null);
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setGlobalMessageHandler(null);
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}
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return () => {
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if (panel) {
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if (panel.onStateChange) {
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panel.onStateChange = null;
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}
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if (typeof panel.destroy === 'function') {
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panel.destroy();
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}
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}
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};
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}, [panel]);
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// Handle chat switching animation with event listeners
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useEffect(() => {
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if (chat.isSwitching) {
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setSwitchOut(true);
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// Use animation event listeners instead of hardcoded delays
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function handleAnimationEnd(event: Event) {
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const animationEvent = event as AnimationEvent;
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if (animationEvent.animationName === 'fadeOutUp') {
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// Apply pending panel exactly at the boundary between animations
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applyPendingPanel();
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setSwitchOut(false);
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setSwitchIn(true);
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} else if (animationEvent.animationName === 'fadeInDown') {
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setSwitchIn(false);
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// End the chat switching state
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chat.setIsSwitching(false);
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}
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};
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// Add event listener to document to catch all animation events
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document.addEventListener('animationend', handleAnimationEnd);
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// Cleanup function
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return () => {
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document.removeEventListener('animationend', handleAnimationEnd);
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};
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}
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}, [chat.isSwitching]);
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// Load messages when panel changes and animation is not running
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useEffect(() => {
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if (!chat.activePanel || chat.isSwitching || switchOut || switchIn) return;
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const panelState = chat.activePanel.getState();
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if (panelState.messages.length === 0 && !panelState.isLoading) {
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chat.activePanel.loadMessages();
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}
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}, [chat.activePanel, chat.isSwitching, switchOut, switchIn]);
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// Scroll to bottom only when new messages are added
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useEffect(() => {
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if (!panelState || chat.isSwitching || switchOut || switchIn) return;
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const currentMessageCount = panelState.messages.length;
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const previousMessageCount = previousMessageCountRef.current;
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const el = messagesEndRef.current;
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if (!el) return;
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// Scroll without animation when messages are initially loaded
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if (previousMessageCount === 0 && currentMessageCount > 0 && !panelState.isLoading) {
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el.scrollIntoView({ behavior: "instant", block: "end" });
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}
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// Scroll with animation when a new message is added
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else if (currentMessageCount > previousMessageCount && previousMessageCount > 0) {
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// Defer to next frame to ensure layout is stable
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const id = requestAnimationFrame(() => {
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el.scrollIntoView({ behavior: "smooth", block: "end" });
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});
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return () => cancelAnimationFrame(id);
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}
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// Update the previous message count
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previousMessageCountRef.current = currentMessageCount;
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}, [panelState?.messages, panelState?.isLoading, chat.isSwitching, switchOut, switchIn]);
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function handleCallClick() {
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if (panel && panelState && panel.isDm()) {
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const dmPanel = panel as DMPanel;
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const userId = dmPanel.getDMUserId();
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const username = dmPanel.getDMUsername();
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if (userId && username) {
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initiateCall(userId, username);
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}
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}
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};
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return (
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<div className={`chat-container ${switchIn ? "chat-switch-in" : ""} ${switchOut ? "chat-switch-out" : ""}`}>
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<div
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ref={messagePanelRef}
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className="chat-main"
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id="chat-inner"
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onDragEnter={panel ? (e) => {
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if (!e.dataTransfer) return;
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e.preventDefault();
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e.stopPropagation();
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dragCounterRef.current += 1;
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// Only show overlay when actual files are dragged
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const hasFiles = Array.from(e.dataTransfer.types || []).includes("Files");
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if (hasFiles) setIsDragging(true);
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} : undefined}
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onDragOver={panel ? (e) => {
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if (!e.dataTransfer) return;
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e.preventDefault();
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e.stopPropagation();
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e.dataTransfer.dropEffect = "copy";
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} : undefined}
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onDragLeave={panel ? (e) => {
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e.preventDefault();
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e.stopPropagation();
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dragCounterRef.current = Math.max(0, dragCounterRef.current - 1);
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if (dragCounterRef.current === 0) setIsDragging(false);
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} : undefined}
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onDrop={panel ? (e) => {
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if (!e.dataTransfer) return;
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e.preventDefault();
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e.stopPropagation();
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const files = Array.from(e.dataTransfer.files || []);
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if (files.length > 0 && addFilesRef.current) {
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addFilesRef.current(files);
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}
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setIsDragging(false);
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dragCounterRef.current = 0;
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} : undefined}>
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<div className="chat-header">
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<img
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src={panelState?.profilePicture || defaultAvatar}
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alt="Avatar"
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className="chat-header-avatar"
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onClick={panel?.handleProfileClick}
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style={{ cursor: panel ? "pointer" : "default" }}
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/>
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<div className="chat-header-info">
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<div className="info-chat">
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<h4 id="chat-name">{panelState?.title || "Выбор чата"}</h4>
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<p>
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<span className={`online-status ${panelState?.online ? "online" : ""}`}></span>
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{panelState ? (
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panelState.online ? "Online" : "Offline"
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) : (
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"Выберите чат, чтобы начать переписку"
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)}
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</p>
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</div>
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{panel?.isDm() && (
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<mdui-button-icon onClick={handleCallClick} icon="call--filled" />
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)}
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</div>
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</div>
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{panelState?.isLoading ? (
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<div className="chat-messages" id="chat-messages">
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<div style={{
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display: "flex",
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justifyContent: "center",
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alignItems: "center",
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height: "100%",
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color: "var(--mdui-color-on-surface-variant)"
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}}>
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Загрузка сообщений...
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</div>
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</div>
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) : panelState && panel ? (
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<ChatMessages
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messages={panelState.messages}
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isDm={panel.isDm()}
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dmRecipientPublicKey={(panel as DMPanel).dmData?.publicKey}
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onReplySelect={(message) => {
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if (editMessage || editVisible) {
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setPendingAction({ type: "reply", message: message });
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setEditVisible(false); // onCloseEdit will apply pending
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} else {
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setReplyTo(message);
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}
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}}
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onEditSelect={(message) => {
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if (replyTo || replyToVisible) {
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setPendingAction({ type: "edit", message: message });
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setReplyToVisible(false); // onCloseReply will apply pending
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} else {
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setEditMessage(message);
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}
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}}
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onDelete={(id) => panel.handleDeleteMessage(id)}
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onRetryMessage={(id) => panel.retryMessage(id)}
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>
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<div ref={messagesEndRef} />
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</ChatMessages>
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) : (
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<div className="chat-messages" id="chat-messages">
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<div style={{
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display: "flex",
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justifyContent: "center",
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alignItems: "center",
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height: "100%",
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color: "var(--mdui-color-on-surface-variant)"
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}}>
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Выберите чат на боковой панели, чтобы начать переписку
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</div>
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</div>
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)}
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{panel && (
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<>
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<AnimatedOpacity
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visible={isDragging}
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className="file-overlay"
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onDragOver={(e) => e.preventDefault()}
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onDrop={(e) => e.preventDefault()}>
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<div className="file-overlay-wrapper">
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<div className="file-overlay-inner">
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<mdui-icon name="upload_file" />
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<span>Отпустите файл(ы) для добавления</span>
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</div>
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</div>
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</AnimatedOpacity>
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<ChatInputWrapper
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onSendMessage={(text, files) => {
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panel.handleSendMessage(text, replyTo?.id, files);
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setReplyTo(null);
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}}
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onSaveEdit={(content) => {
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if (editMessage) {
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panel.handleEditMessage(editMessage.id, content);
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setEditMessage(null);
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}
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}}
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replyTo={replyTo}
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replyToVisible={replyToVisible}
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onClearReply={() => {
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setPendingAction(null);
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setReplyToVisible(false);
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}}
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onCloseReply={() => {
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setReplyTo(null);
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if (pendingAction && pendingAction.type === "edit") {
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setEditMessage(pendingAction.message);
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setPendingAction(null);
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}
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}}
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editingMessage={editMessage}
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editVisible={editVisible}
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onClearEdit={() => {
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setPendingAction(null);
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setEditVisible(false);
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}}
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onCloseEdit={() => {
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setEditMessage(null);
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if (pendingAction && pendingAction.type === "reply") {
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setReplyTo(pendingAction.message);
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setPendingAction(null);
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}
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}}
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onProvideFileAdder={(adder) => { addFilesRef.current = adder; }}
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messagePanelRef={messagePanelRef}
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/>
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</>
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)}
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</div>
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</div>
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);
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}
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