Files
web/frontend/src/pages/chat/ui/right/MessagePanelRenderer.tsx
T

402 lines
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TypeScript

import { useState, useEffect, useRef, useMemo, type ReactNode } from "react";
import { motion, AnimatePresence } from "motion/react";
import { useAppState } from "@/pages/chat/state";
import { MessagePanel, type MessagePanelState } from "./panels/MessagePanel";
import { ChatMessages } from "./ChatMessages";
import { ChatInputWrapper } from "./ChatInputWrapper";
import { ProfileDialog } from "@/pages/chat/ui/ProfileDialog";
import { setGlobalMessageHandler } from "@/core/websocket";
import type { Message, WebSocketMessage } from "@/core/types";
import defaultAvatar from "@/images/default-avatar.png";
import { DMPanel } from "./panels/DMPanel";
import useCall from "@/pages/chat/hooks/useCall";
import { TypingIndicator } from "./TypingIndicator";
import { OnlineStatus } from "./OnlineStatus";
import { typingManager } from "@/core/typingManager";
import { PublicChatPanel } from "./panels/PublicChatPanel";
interface MessagePanelRendererProps {
panel: MessagePanel | null;
}
function ChatHeaderText({ panel }: { panel: MessagePanel | null }) {
const { chat, user } = useAppState();
const otherTypingUsers = useMemo(() => {
return Array
.from(chat.typingUsers.entries())
.filter(([userId, username]) => userId !== user.currentUser?.id && username)
.map(([, username]) => username!);
}, [chat.typingUsers, user.currentUser?.id]);
let content: ReactNode;
if (panel instanceof DMPanel) {
const recipientId = panel.getRecipientId()!;
const isTyping = chat.dmTypingUsers.get(recipientId);
content = isTyping ? <TypingIndicator typingUsers={[]} /> : <OnlineStatus userId={recipientId} />;
} else if (panel instanceof PublicChatPanel && otherTypingUsers.length > 0) {
content = <TypingIndicator typingUsers={otherTypingUsers} />;
} else {
return null;
}
return <div>{content}</div>;
}
export function MessagePanelRenderer({ panel }: MessagePanelRendererProps) {
const { applyPendingPanel, chat, setProfileDialog } = useAppState();
const messagePanelRef = useRef<HTMLDivElement>(null);
const [panelState, setPanelState] = useState<MessagePanelState | null>(null);
const messagesEndRef = useRef<HTMLDivElement>(null);
const previousMessageCountRef = useRef(0);
const [replyTo, setReplyTo] = useState<Message | null>(null);
const [replyToVisible, setReplyToVisible] = useState(Boolean(replyTo));
const [editMessage, setEditMessage] = useState<Message | null>(null);
const [editVisible, setEditVisible] = useState(Boolean(editMessage));
const [pendingAction, setPendingAction] = useState<null | { type: "reply" | "edit"; message: Message }>(null);
const { initiateCall } = useCall();
// Drag & drop
const [isDragging, setIsDragging] = useState(false);
const dragCounterRef = useRef(0);
const addFilesRef = useRef<null | ((files: File[]) => void)>(null);
useEffect(() => {
if (!panel || !panelState) return;
return () => {
dragCounterRef.current = 0;
setIsDragging(false);
};
}, [panel, panelState]);
useEffect(() => {
if (replyTo) {
setReplyToVisible(true);
}
}, [replyTo]);
useEffect(() => {
if (editMessage) {
setEditVisible(true);
}
}, [editMessage]);
// Handle panel state changes
useEffect(() => {
if (panel) {
setPanelState(panel.getState());
// Store the handler for cleanup
panel.onStateChange = (newState: MessagePanelState) => {
setPanelState(newState);
};
// Set up WebSocket message handler for this panel
if (panel.handleWebSocketMessage) {
setGlobalMessageHandler((message: WebSocketMessage<any>) => panel.handleWebSocketMessage(message));
}
} else {
setPanelState(null);
setGlobalMessageHandler(null);
}
return () => {
if (panel) {
if (panel.onStateChange) {
panel.onStateChange = null;
}
if (typeof panel.destroy === 'function') {
panel.destroy();
}
}
};
}, [panel]);
// Handle chat switching animation
useEffect(() => {
if (chat.isSwitching && chat.pendingPanel) {
// Apply pending panel when animation starts
applyPendingPanel();
// End switching state after a brief delay to allow animation
setTimeout(() => {
chat.setIsSwitching(false);
}, 200);
}
}, [chat.isSwitching, chat.pendingPanel, applyPendingPanel]);
// Load messages when panel changes and animation is not running
useEffect(() => {
if (!chat.activePanel || chat.isSwitching) return;
const panelState = chat.activePanel.getState();
if (panelState.messages.length === 0 && !panelState.isLoading) {
chat.activePanel.loadMessages();
}
}, [chat.activePanel, chat.isSwitching]);
// Scroll to bottom only when new messages are added
useEffect(() => {
if (!panelState || chat.isSwitching) return;
const currentMessageCount = panelState.messages.length;
const previousMessageCount = previousMessageCountRef.current;
const el = messagesEndRef.current;
if (!el) return;
// Scroll without animation when messages are initially loaded
if (previousMessageCount === 0 && currentMessageCount > 0 && !panelState.isLoading) {
el.scrollIntoView({ behavior: "instant", block: "end" });
}
// Scroll with animation when a new message is added
else if (currentMessageCount > previousMessageCount && previousMessageCount > 0) {
// Defer to next frame to ensure layout is stable
const id = requestAnimationFrame(() => {
el.scrollIntoView({ behavior: "smooth", block: "end" });
});
return () => cancelAnimationFrame(id);
}
// Update the previous message count
previousMessageCountRef.current = currentMessageCount;
}, [panelState?.messages, panelState?.isLoading, chat.isSwitching]);
function handleCallClick() {
if (panel && panelState && panel.isDm()) {
const dmPanel = panel as DMPanel;
const userId = dmPanel.getDMUserId();
const username = dmPanel.getDMUsername();
if (userId && username) {
initiateCall(userId, username);
}
}
};
async function handleProfileClick() {
if (!panel) return;
try {
const profileData = await panel.getProfile();
if (profileData) {
setProfileDialog(profileData);
}
} catch (error) {
console.error("Failed to get profile:", error);
}
}
const panelKey = chat.activePanel?.getState().title || "empty";
return (
<div className="chat-container">
<AnimatePresence mode="wait">
<motion.div
key={panelKey}
ref={messagePanelRef}
className="chat-main"
id="chat-inner"
initial={{ opacity: 0, y: 10 }}
animate={{ opacity: 1, y: 0 }}
exit={{ opacity: 0, y: -10 }}
transition={{ duration: 0.2 }}
onDragEnter={panel ? (e) => {
if (!e.dataTransfer) return;
e.preventDefault();
e.stopPropagation();
dragCounterRef.current += 1;
// Only show overlay when actual files are dragged
const hasFiles = Array.from(e.dataTransfer.types || []).includes("Files");
if (hasFiles) setIsDragging(true);
} : undefined}
onDragOver={panel ? (e) => {
if (!e.dataTransfer) return;
e.preventDefault();
e.stopPropagation();
e.dataTransfer.dropEffect = "copy";
} : undefined}
onDragLeave={panel ? (e) => {
e.preventDefault();
e.stopPropagation();
dragCounterRef.current = Math.max(0, dragCounterRef.current - 1);
if (dragCounterRef.current === 0) setIsDragging(false);
} : undefined}
onDrop={panel ? (e) => {
if (!e.dataTransfer) return;
e.preventDefault();
e.stopPropagation();
const files = Array.from(e.dataTransfer.files || []);
if (files.length > 0 && addFilesRef.current) {
addFilesRef.current(files);
}
setIsDragging(false);
dragCounterRef.current = 0;
} : undefined}>
<div className="chat-header">
<img
src={panelState?.profilePicture || defaultAvatar}
alt="Avatar"
className="chat-header-avatar"
onClick={handleProfileClick}
style={{ cursor: panel ? "pointer" : "default" }}
/>
<div className="chat-header-info">
<div className="info-chat">
<h4 id="chat-name">{panelState?.title || "Выбор чата"}</h4>
<ChatHeaderText panel={panel} />
</div>
{panel?.isDm() && (
<mdui-button-icon onClick={handleCallClick} icon="call--filled" />
)}
</div>
</div>
{panelState?.isLoading ? (
<div className="chat-messages" id="chat-messages">
<div style={{
display: "flex",
justifyContent: "center",
alignItems: "center",
height: "100%",
color: "var(--mdui-color-on-surface-variant)"
}}>
Загрузка сообщений...
</div>
</div>
) : panelState && panel ? (
<ChatMessages
messages={panelState.messages}
isDm={panel.isDm()}
dmRecipientPublicKey={(panel as DMPanel).dmData?.publicKey}
onReplySelect={(message) => {
if (editMessage || editVisible) {
setPendingAction({ type: "reply", message: message });
setEditVisible(false); // onCloseEdit will apply pending
} else {
setReplyTo(message);
}
}}
onEditSelect={(message) => {
if (replyTo || replyToVisible) {
setPendingAction({ type: "edit", message: message });
setReplyToVisible(false); // onCloseReply will apply pending
} else {
setEditMessage(message);
}
}}
onDelete={(id) => panel.handleDeleteMessage(id)}
onRetryMessage={(id) => panel.retryMessage(id)}
>
<div ref={messagesEndRef} />
</ChatMessages>
) : (
<div className="chat-messages" id="chat-messages">
<div style={{
display: "flex",
justifyContent: "center",
alignItems: "center",
height: "100%",
color: "var(--mdui-color-on-surface-variant)"
}}>
Выберите чат на боковой панели, чтобы начать переписку
</div>
</div>
)}
{panel && (
<>
<AnimatePresence>
{isDragging && (
<motion.div
initial={{ opacity: 0 }}
animate={{ opacity: 1 }}
exit={{ opacity: 0 }}
transition={{ duration: 0.5 }}
className="file-overlay"
onDragOver={(e) => e.preventDefault()}
onDrop={(e) => e.preventDefault()}
>
<div className="file-overlay-wrapper">
<div className="file-overlay-inner">
<mdui-icon name="upload_file" />
<span>Отпустите файл(ы) для добавления</span>
</div>
</div>
</motion.div>
)}
</AnimatePresence>
<ChatInputWrapper
onSendMessage={(text, files) => {
panel.handleSendMessage(text, replyTo?.id, files);
setReplyTo(null);
}}
onSaveEdit={(content) => {
if (editMessage) {
panel.handleEditMessage(editMessage.id, content);
setEditMessage(null);
}
}}
replyTo={replyTo}
replyToVisible={replyToVisible}
onClearReply={() => {
setPendingAction(null);
setReplyToVisible(false);
}}
onCloseReply={() => {
setReplyTo(null);
if (pendingAction && pendingAction.type === "edit") {
setEditMessage(pendingAction.message);
setPendingAction(null);
}
}}
editingMessage={editMessage}
editVisible={editVisible}
onClearEdit={() => {
setPendingAction(null);
setEditVisible(false);
}}
onCloseEdit={() => {
setEditMessage(null);
if (pendingAction && pendingAction.type === "reply") {
setReplyTo(pendingAction.message);
setPendingAction(null);
}
}}
onProvideFileAdder={(adder) => { addFilesRef.current = adder; }}
messagePanelRef={messagePanelRef}
onTyping={() => {
if (panel.isDm()) {
const dmPanel = panel as DMPanel;
dmPanel.handleTyping();
} else {
typingManager.sendTyping();
}
}}
onStopTyping={() => {
if (panel.isDm()) {
const dmPanel = panel as DMPanel;
typingManager.stopDmTypingOnMessage(dmPanel.getRecipientId()!);
} else {
typingManager.stopTypingOnMessage();
}
}}
/>
</>
)}
</motion.div>
</AnimatePresence>
{/* Profile Dialog */}
<ProfileDialog />
</div>
);
}