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feat: Maintain Scroll Position When Closing a Thread #973

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feat: Maintain Scroll Position When Closing a Thread #973

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6119b7f
feat: Maintain Scroll Position When Closing a Thread #972
Abbas-Askari Feb 9, 2025
8a9c570
remove scrolling to bottom on message staring/unstaring, pinning/unpi…
Abbas-Askari Feb 10, 2025
07f70c1
fix lint errors
Abbas-Askari Feb 12, 2025
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10 changes: 7 additions & 3 deletions packages/react/src/views/ChatBody/ChatBody.js
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Original file line number Diff line number Diff line change
Expand Up @@ -268,10 +268,14 @@ const ChatBody = ({
};

useEffect(() => {
if (messageListRef.current) {
messageListRef.current.scrollTop = messageListRef.current.scrollHeight;
const lastMessage = messages[0];
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Can you please explain this change ?

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Scroll to the bottom only if the last message is not about pinning. When you pin a message, A new message is sent to chat about the pinning. Need to ignore it and not scroll down to it.
image

if (
lastMessage &&
lastMessage.t !== "message_pinned"
) {
scrollToBottom();
}
}, [messages]);
}, [messages.length]);

useEffect(() => {
checkOverflow();
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16 changes: 15 additions & 1 deletion packages/react/src/views/ChatHeader/ChatHeader.js
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Original file line number Diff line number Diff line change
Expand Up @@ -105,6 +105,20 @@ const ChatHeader = ({

const closeThread = useMessageStore((state) => state.closeThread);

const handleCloseThread = useCallback(() => {
const threadMessageId = threadMainMessage?._id;
closeThread();
setTimeout(() => {
const element = document.getElementById(`ec-message-body-${threadMessageId}`);
if (element) {
element.scrollIntoView({
behavior: 'instant',
block: 'start',
});
}
}, 300);
}, [closeThread, threadMainMessage]);

const setShowMembers = useMemberStore((state) => state.setShowMembers);
const setShowSearch = useSearchMessageStore((state) => state.setShowSearch);
const setShowPinned = usePinnedMessageStore((state) => state.setShowPinned);
Expand Down Expand Up @@ -430,7 +444,7 @@ const ChatHeader = ({
{isThreadOpen && (
<DynamicHeader
title={threadMainMessage}
handleClose={closeThread}
handleClose={handleCloseThread}
iconName="arrow-back"
/>
)}
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