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Message List: Fix losing scroll position after many new messages in closed chats

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This commit is contained in:
Alexander Zinchuk 2021-05-24 00:28:14 +03:00
parent 65d36c7723
commit a0ee6ca918
1 changed files with 9 additions and 2 deletions
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11
src/modules/actions/apiUpdaters/messages.ts
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@ -32,7 +32,7 @@ import {
selectScheduledMessages,
isMessageInCurrentMessageList,
selectScheduledIds,
selectCurrentMessageList,
selectCurrentMessageList, selectRealLastReadId, selectViewportIds,
} from '../../selectors';
import { getMessageContent, isChatPrivate, isMessageLocal } from '../../helpers';
@ -427,7 +427,14 @@ function updateListedAndViewportIds(global: GlobalState, message: ApiMessage) {
global = updateListedIds(global, chatId, MAIN_THREAD_ID, [id]);
if (selectIsViewportNewest(global, chatId, MAIN_THREAD_ID)) {
global = addViewportId(global, chatId, MAIN_THREAD_ID, id);
// Always keep at least one read message in the viewport list
const lastReadId = selectRealLastReadId(global, chatId, MAIN_THREAD_ID);
const newGlobal = addViewportId(global, chatId, MAIN_THREAD_ID, id);
const newViewportIds = selectViewportIds(newGlobal, chatId, MAIN_THREAD_ID);
if (!lastReadId || newViewportIds!.includes(lastReadId)) {
global = newGlobal;
}
}
const { threadInfo, firstMessageId } = selectThreadByMessage(global, chatId, message) || {};