Message List: Support copying multiple messages (#1724)

src/components/middle/MessageList.tsx

@@ -48,6 +48,7 @@ import renderText from '../common/helpers/renderText';
 import useLang from '../../hooks/useLang';
 import useWindowSize from '../../hooks/useWindowSize';
 import useInterval from '../../hooks/useInterval';
+import useNativeCopySelectedMessages from '../../hooks/useNativeCopySelectedMessages';
 
 import Loading from '../ui/Loading';
 import MessageListContent from './MessageListContent';
@@ -138,7 +139,7 @@ const MessageList: FC<OwnProps & StateProps> = ({
   withBottomShift,
 }) => {
   const {
-    loadViewportMessages, setScrollOffset, loadSponsoredMessages, loadMessageReactions,
+    loadViewportMessages, setScrollOffset, loadSponsoredMessages, loadMessageReactions, copyMessagesByIds,
   } = getDispatch();
 
   // eslint-disable-next-line no-null/no-null
@@ -191,6 +192,8 @@ const MessageList: FC<OwnProps & StateProps> = ({
     memoFocusingIdRef.current = focusingId;
   }, [focusingId]);
 
+  useNativeCopySelectedMessages(copyMessagesByIds);
+
   const messageGroups = useMemo(() => {
     if (!messageIds || !messagesById) {
       return undefined;

src/components/middle/MessageSelectToolbar.scss

@@ -64,7 +64,7 @@
 
   &::before {
     z-index: -1;
-    max-width: 32rem;
+    max-width: calc(100% * var(--composer-hidden-scale));
     width: 100%;
     left: auto;
     right: auto;
@@ -72,7 +72,7 @@
 
   &-inner {
     width: 100%;
-    max-width: 32rem;
+    max-width: calc(100% * var(--composer-hidden-scale));
     display: flex;
     align-items: center;
     padding: 0.25rem;

src/components/middle/MessageSelectToolbar.tsx

@@ -18,6 +18,7 @@ import captureKeyboardListeners from '../../util/captureKeyboardListeners';
 import buildClassName from '../../util/buildClassName';
 import usePrevious from '../../hooks/usePrevious';
 import useLang from '../../hooks/useLang';
+import useCopySelectedMessages from './hooks/useCopySelectedMessages';
 
 import Button from '../ui/Button';
 
@@ -58,11 +59,13 @@ const MessageSelectToolbar: FC<OwnProps & StateProps> = ({
     exitMessageSelectMode,
     openForwardMenuForSelectedMessages,
     downloadSelectedMessages,
+    copySelectedMessages,
   } = getDispatch();
 
   const [isDeleteModalOpen, openDeleteModal, closeDeleteModal] = useFlag();
   const [isReportModalOpen, openReportModal, closeReportModal] = useFlag();
 
+  useCopySelectedMessages(Boolean(isActive), copySelectedMessages);
   useEffect(() => {
     return isActive && !isDeleteModalOpen && !isReportModalOpen
       ? captureKeyboardListeners({
@@ -73,6 +76,11 @@ const MessageSelectToolbar: FC<OwnProps & StateProps> = ({
       : undefined;
   }, [isActive, isDeleteModalOpen, isReportModalOpen, openDeleteModal, exitMessageSelectMode]);
 
+  const handleCopy = useCallback(() => {
+    copySelectedMessages();
+    exitMessageSelectMode();
+  }, [copySelectedMessages, exitMessageSelectMode]);
+
   const handleDownload = useCallback(() => {
     downloadSelectedMessages();
     exitMessageSelectMode();
@@ -139,6 +147,7 @@ const MessageSelectToolbar: FC<OwnProps & StateProps> = ({
             {canDownloadMessages && (
               renderButton('download', lang('lng_media_download'), handleDownload, hasProtectedMessage)
             )}
+            {renderButton('copy', lang('lng_context_copy_selected_items'), handleCopy, hasProtectedMessage)}
             {renderButton('delete', lang('EditAdminGroupDeleteMessages'), openDeleteModal, !canDeleteMessages, true)}
           </div>
         )}

src/components/middle/hooks/useCopySelectedMessages.ts

@@ -0,0 +1,24 @@
+import { useEffect } from '../../../lib/teact/teact';
+import { IS_MAC_OS } from '../../../util/environment';
+import getKeyFromEvent from '../../../util/getKeyFromEvent';
+
+const useCopySelectedMessages = (isActive: boolean, copySelectedMessages: NoneToVoidFunction) => {
+  useEffect(() => {
+    function handleCopy(e: KeyboardEvent) {
+      if (((IS_MAC_OS && e.metaKey) || (!IS_MAC_OS && e.ctrlKey)) && getKeyFromEvent(e) === 'c') {
+        e.preventDefault();
+        copySelectedMessages();
+      }
+    }
+
+    if (isActive) {
+      document.addEventListener('keydown', handleCopy, false);
+    }
+
+    return () => {
+      document.removeEventListener('keydown', handleCopy, false);
+    };
+  }, [copySelectedMessages, isActive]);
+};
+
+export default useCopySelectedMessages;

src/components/middle/message/ContextMenuContainer.tsx

@@ -125,6 +125,7 @@ const ContextMenuContainer: FC<OwnProps & StateProps> = ({
     openReactorListModal,
     loadFullChat,
     loadReactors,
+    copyMessagesByIds,
   } = getDispatch();
 
   const { transitionClassNames } = useShowTransition(isOpen, onCloseAnimationEnd, undefined, false);
@@ -288,6 +289,11 @@ const ContextMenuContainer: FC<OwnProps & StateProps> = ({
     });
   }, [message.chatId, message.id, rescheduleMessage]);
 
+  const handleCopyMessages = useCallback((messageIds: number[]) => {
+    copyMessagesByIds({ messageIds });
+    closeMenu();
+  }, [closeMenu, copyMessagesByIds]);
+
   const handleCopyLink = useCallback(() => {
     copyTextToClipboard(`https://t.me/${chatUsername || `c/${message.chatId.replace('-', '')}`}/${message.id}`);
     closeMenu();
@@ -366,6 +372,7 @@ const ContextMenuContainer: FC<OwnProps & StateProps> = ({
         onReschedule={handleOpenCalendar}
         onClose={closeMenu}
         onCopyLink={handleCopyLink}
+        onCopyMessages={handleCopyMessages}
         onDownload={handleDownloadClick}
         onShowSeenBy={handleOpenSeenByModal}
         onSendReaction={handleSendReaction}

src/components/middle/message/MessageContextMenu.tsx

@@ -63,6 +63,7 @@ type OwnProps = {
   onClose: () => void;
   onCloseAnimationEnd?: () => void;
   onCopyLink?: () => void;
+  onCopyMessages?: (messageIds: number[]) => void;
   onDownload?: () => void;
   onShowSeenBy?: () => void;
   onShowReactors?: () => void;
@@ -120,12 +121,13 @@ const MessageContextMenu: FC<OwnProps> = ({
   onShowSeenBy,
   onShowReactors,
   onSendReaction,
+  onCopyMessages,
 }) => {
   // eslint-disable-next-line no-null/no-null
   const menuRef = useRef<HTMLDivElement>(null);
   // eslint-disable-next-line no-null/no-null
   const scrollableRef = useRef<HTMLDivElement>(null);
-  const copyOptions = getMessageCopyOptions(message, onClose, canCopyLink ? onCopyLink : undefined);
+  const copyOptions = getMessageCopyOptions(message, onClose, canCopyLink ? onCopyLink : undefined, onCopyMessages);
   const noReactions = !isPrivate && !enabledReactions?.length;
   const withReactions = canShowReactionList && !noReactions;
 

src/components/middle/message/helpers/copyOptions.ts

@@ -11,6 +11,7 @@ import {
   hasMessageLocalBlobUrl,
 } from '../../../../modules/helpers';
 import { CLIPBOARD_ITEM_SUPPORTED, copyImageToClipboard, copyTextToClipboard } from '../../../../util/clipboard';
+import getMessageIdsForSelectedText from '../../../../util/getMessageIdsForSelectedText';
 
 type ICopyOptions = {
   label: string;
@@ -18,7 +19,10 @@ type ICopyOptions = {
 }[];
 
 export function getMessageCopyOptions(
-  message: ApiMessage, afterEffect?: () => void, onCopyLink?: () => void,
+  message: ApiMessage,
+  afterEffect?: () => void,
+  onCopyLink?: () => void,
+  onCopyMessages?: (messageIds: number[]) => void,
 ): ICopyOptions {
   const options: ICopyOptions = [];
   const text = getMessageText(message);
@@ -53,8 +57,13 @@ export function getMessageCopyOptions(
     options.push({
       label: getCopyLabel(hasSelection),
       handler: () => {
-        const clipboardText = hasSelection && selection ? selection.toString() : getMessageTextWithSpoilers(message)!;
-        copyTextToClipboard(clipboardText);
+        const messageIds = getMessageIdsForSelectedText();
+        if (messageIds?.length && onCopyMessages) {
+          onCopyMessages(messageIds);
+        } else {
+          const clipboardText = hasSelection && selection ? selection.toString() : getMessageTextWithSpoilers(message)!;
+          copyTextToClipboard(clipboardText);
+        }
 
         if (afterEffect) {
           afterEffect();

src/global/types.ts

@@ -533,7 +533,7 @@ export type ActionTypes = (
   'loadSponsoredMessages' | 'viewSponsoredMessage' | 'loadSendAs' | 'saveDefaultSendAs' | 'loadAvailableReactions' |
   'stopActiveEmojiInteraction' | 'interactWithAnimatedEmoji' | 'loadReactors' | 'setDefaultReaction' |
   'sendDefaultReaction' | 'sendEmojiInteraction' | 'sendWatchingEmojiInteraction' | 'loadMessageReactions' |
-  'stopActiveReaction' | 'startActiveReaction' |
+  'stopActiveReaction' | 'startActiveReaction' | 'copySelectedMessages' | 'copyMessagesByIds' |
   // downloads
   'downloadSelectedMessages' | 'downloadMessageMedia' | 'cancelMessageMediaDownload' |
   // scheduled messages

src/hooks/useNativeCopySelectedMessages.ts

@@ -0,0 +1,27 @@
+import { useEffect } from '../lib/teact/teact';
+import { IS_MAC_OS } from '../util/environment';
+import getKeyFromEvent from '../util/getKeyFromEvent';
+import getMessageIdsForSelectedText from '../util/getMessageIdsForSelectedText';
+
+const useNativeCopySelectedMessages = (copyMessagesByIds: ({ messageIds }: { messageIds?: number[] }) => void) => {
+  useEffect(() => {
+    function handleCopy(e: KeyboardEvent) {
+      if (((IS_MAC_OS && e.metaKey) || (!IS_MAC_OS && e.ctrlKey)) && getKeyFromEvent(e) === 'c') {
+        const messageIds = getMessageIdsForSelectedText();
+
+        if (messageIds && messageIds.length > 0) {
+          e.preventDefault();
+          copyMessagesByIds({ messageIds });
+        }
+      }
+    }
+
+    document.addEventListener('keydown', handleCopy, false);
+
+    return () => {
+      document.removeEventListener('keydown', handleCopy, false);
+    };
+  }, [copyMessagesByIds]);
+};
+
+export default useNativeCopySelectedMessages;

src/modules/actions/ui/messages.ts

@@ -32,12 +32,17 @@ import {
   selectIsViewportNewest,
   selectReplyingToId,
   selectReplyStack,
+  selectSender,
 } from '../../selectors';
 import { findLast } from '../../../util/iteratees';
 import { getServerTime } from '../../../util/serverTime';
 
 import versionNotification from '../../../versionNotification.txt';
 import parseMessageInput from '../../../util/parseMessageInput';
+import { getMessageSummaryText, getSenderTitle } from '../../helpers';
+import * as langProvider from '../../../util/langProvider';
+import { copyTextToClipboard } from '../../../util/clipboard';
+import { GlobalState } from '../../../global/types';
 
 const FOCUS_DURATION = 1500;
 const FOCUS_NO_HIGHLIGHT_DURATION = FAST_SMOOTH_MAX_DURATION + ANIMATION_END_DELAY;
@@ -672,3 +677,45 @@ addReducer('closeSeenByModal', (global) => {
     seenByModal: undefined,
   };
 });
+
+addReducer('copySelectedMessages', (global) => {
+  if (!global.selectedMessages) {
+    return;
+  }
+
+  const { chatId, messageIds } = global.selectedMessages;
+  copyTextForMessages(global, chatId, messageIds);
+});
+
+addReducer('copyMessagesByIds', (global, actions, payload: { messageIds?: number[] } ) => {
+  const { messageIds } = payload;
+  const chat = selectCurrentChat(global);
+  if (!messageIds || messageIds.length === 0 || !chat) {
+    return;
+  }
+
+  copyTextForMessages(global, chat.id, messageIds);
+});
+
+
+function copyTextForMessages(global: GlobalState, chatId: string, messageIds: number[]) {
+  const { threadId } = selectCurrentMessageList(global) || {};
+  const lang = langProvider.getTranslation;
+
+  const chatMessages = selectChatMessages(global, chatId);
+  if (!chatMessages || !threadId) return;
+  const messages = messageIds
+    .map((id) => chatMessages[id])
+    .filter((message) => selectAllowedMessageActions(global, message, threadId).canCopy)
+    .sort((message1, message2) => message1.id - message2.id);
+
+  const result = messages.reduce((acc, message) => {
+    const sender = selectSender(global, message);
+    acc.push(`> ${sender ? getSenderTitle(lang, sender) : ''}:`);
+    acc.push(getMessageSummaryText(lang, message, false, 0, undefined, true) + '\n');
+
+    return acc;
+  }, [] as string[]);
+
+  copyTextToClipboard(result.join('\n'));
+}

src/modules/helpers/messageSummary.ts

@@ -16,11 +16,12 @@ export function getMessageSummaryText(
   noEmoji = false,
   truncateLength = TRUNCATED_SUMMARY_LENGTH,
   noReactions = true,
+  isExtended = false,
 ) {
   const emoji = !noEmoji && getMessageSummaryEmoji(message, noReactions);
   const emojiWithSpace = emoji ? `${emoji} ` : '';
   const text = trimText(getMessageTextWithSpoilers(message), truncateLength);
-  const description = getMessageSummaryDescription(lang, message, text, noReactions);
+  const description = getMessageSummaryDescription(lang, message, text, noReactions, isExtended);
 
   return `${emojiWithSpace}${description}`;
 }
@@ -104,6 +105,7 @@ export function getMessageSummaryDescription(
   message: ApiMessage,
   truncatedText?: string | TextPart[],
   noReactions = true,
+  isExtended = false,
 ) {
   const {
     text,
@@ -133,8 +135,7 @@ export function getMessageSummaryDescription(
   }
 
   if (sticker) {
-    summary = lang('AttachSticker')
-      .trim();
+    summary = lang('AttachSticker').trim();
   }
 
   if (audio) {
@@ -146,7 +147,7 @@ export function getMessageSummaryDescription(
   }
 
   if (document) {
-    summary = truncatedText || document.fileName;
+    summary = isExtended ? document.fileName : (truncatedText || document.fileName);
   }
 
   if (contact) {
@@ -158,11 +159,15 @@ export function getMessageSummaryDescription(
   }
 
   if (invoice) {
-    summary = 'Invoice';
+    summary = lang('PaymentInvoice') + ': ' + invoice.text;
   }
 
   if (text) {
-    summary = truncatedText;
+    if (isExtended && summary) {
+      summary += '\n' + truncatedText;
+    } else {
+      summary = truncatedText;
+    }
   }
 
   const reaction = !noReactions && getMessageRecentReaction(message);

src/util/getMessageIdsForSelectedText.ts

@@ -0,0 +1,29 @@
+const ELEMENT_NODE = 1;
+
+export default function getMessageIdsForSelectedText() {
+  let selectedFragments = window.getSelection()?.getRangeAt(0).cloneContents();
+  if (!selectedFragments || selectedFragments.childElementCount === 0) {
+    return;
+  }
+
+  const messageIds = Array.from(selectedFragments.children)
+    .reduce((result, node) => {
+      if (node.nodeType === ELEMENT_NODE && node.classList.contains('message-date-group')) {
+        return Array.from(node.querySelectorAll('.Message'))
+          .reduce((acc, messageEl) => acc.concat(Number((messageEl as HTMLElement).dataset.messageId)), result);
+      } else if (node.nodeType === ELEMENT_NODE && node.classList.contains('Message')) {
+        return result.concat(Number((node as HTMLElement).dataset.messageId));
+      }
+
+      return result;
+    }, [] as number[]);
+
+
+  // Cleanup a document fragment because it is playing media content in the background
+  while (selectedFragments.firstChild) {
+    selectedFragments.removeChild(selectedFragments.firstChild);
+  }
+  selectedFragments = undefined;
+
+  return messageIds;
+}