Message: Allow downloading animated emojis (#6340)

public/version.txt

@@ -1 +1 @@
-10.9.75
+12.0.0

src/api/gramjs/apiBuilders/messages.ts

@@ -226,6 +226,8 @@ export function buildApiMessageWithChatId(
   const isProtected = mtpMessage.noforwards || isInvoiceMedia;
   const isForwardingAllowed = !mtpMessage.noforwards;
   const emojiOnlyCount = getEmojiOnlyCountForMessage(content, groupedId);
+  if (content.text && emojiOnlyCount) content.text.emojiOnlyCount = emojiOnlyCount;
+
   const hasComments = mtpMessage.replies?.comments;
   const senderBoosts = mtpMessage.fromBoostsApplied;
   const factCheck = mtpMessage.factcheck && buildApiFactCheck(mtpMessage.factcheck);
@@ -252,7 +254,6 @@ export function buildApiMessageWithChatId(
     isSilent: mtpMessage.silent,
     isPinned: mtpMessage.pinned,
     reactions: mtpMessage.reactions && buildMessageReactions(mtpMessage.reactions),
-    emojiOnlyCount,
     ...(mtpMessage.replyTo && { replyInfo: buildApiReplyInfo(mtpMessage.replyTo, mtpMessage) }),
     ...(mtpMessage.suggestedPost && { suggestedPostInfo: buildApiSuggestedPost(mtpMessage.suggestedPost) }),
     forwardInfo,
@@ -453,7 +454,9 @@ export function buildLocalMessage(
   const localPoll = poll && buildNewPoll(poll, localId);
   const localTodo = todo && buildNewTodo(todo);
 
-  const formattedText = text ? addTimestampEntities({ text, entities }) : undefined;
+  const formattedText = text ? addTimestampEntities(
+    { text, entities, emojiOnlyCount: undefined },
+  ) : undefined;
 
   const message = {
     id: localId,
@@ -486,14 +489,10 @@ export function buildLocalMessage(
   } satisfies ApiMessage;
 
   const emojiOnlyCount = getEmojiOnlyCountForMessage(message.content, message.groupedId);
-
+  if (emojiOnlyCount && message.content.text) message.content.text.emojiOnlyCount = emojiOnlyCount;
-  const finalMessage: ApiMessage = {
-    ...message,
-    ...(emojiOnlyCount && { emojiOnlyCount }),
-  };
 
   return {
-    message: finalMessage,
+    message,
     poll: localPoll,
   };
 }
@@ -542,6 +541,7 @@ export function buildLocalForwardedMessage({
   } : content.text;
   const textWithTimestamps = strippedText && addTimestampEntities(strippedText);
   const emojiOnlyCount = getEmojiOnlyCountForMessage(content, groupedId);
+  if (emojiOnlyCount && textWithTimestamps) textWithTimestamps.emojiOnlyCount = emojiOnlyCount;
 
   const updatedContent = {
     ...content,
@@ -572,7 +572,6 @@ export function buildLocalForwardedMessage({
     isInvertedMedia,
     ...(toThreadId && toChat?.isForum && { isTopicReply: true }),
 
-    ...(emojiOnlyCount && { emojiOnlyCount }),
     // Forward info doesn't get added when user forwards own messages and when forwarding audio
     ...(message.chatId !== currentUserId && !isAudio && !noAuthors && {
       forwardInfo: {

src/api/types/messages.ts

@@ -577,8 +577,12 @@ export interface ApiFormattedText {
   entities?: ApiMessageEntity[];
 }
 
+export interface ApiFormattedTextWithEmojiOnlyCount extends ApiFormattedText {
+  emojiOnlyCount?: number;
+}
+
 export type MediaContent = {
-  text?: ApiFormattedText;
+  text?: ApiFormattedTextWithEmojiOnlyCount;
   photo?: ApiPhoto;
   video?: ApiVideo;
   altVideos?: ApiVideo[];
@@ -661,7 +665,6 @@ export interface ApiMessage {
   isForwardingAllowed?: boolean;
   transcriptionId?: string;
   isTranscriptionError?: boolean;
-  emojiOnlyCount?: number;
   reactors?: {
     nextOffset?: string;
     count: number;

src/components/middle/message/Message.tsx

@@ -826,7 +826,7 @@ const Message: FC<OwnProps & StateProps> = ({
   });
 
   const withAppendix = contentClassName.includes('has-appendix');
-  const emojiSize = getCustomEmojiSize(message.emojiOnlyCount);
+  const emojiSize = getCustomEmojiSize(text?.emojiOnlyCount);
 
   const paidMessageStarsInMeta = !isChatWithUser
     ? (isAlbum && paidMessageStars ? album.messages.length * paidMessageStars : paidMessageStars)

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

@@ -81,10 +81,10 @@ export function buildContentClassName(
     classNames.push(peerColorClass);
   }
 
-  if (!isMedia && message.emojiOnlyCount) {
+  if (!isMedia && text?.emojiOnlyCount) {
     classNames.push('emoji-only');
-    if (message.emojiOnlyCount <= EMOJI_SIZES) {
+    if (text.emojiOnlyCount <= EMOJI_SIZES) {
-      classNames.push(`emoji-only-${message.emojiOnlyCount}`);
+      classNames.push(`emoji-only-${text.emojiOnlyCount}`);
     }
   } else if (hasText) {
     classNames.push('text');

src/global/helpers/messages.ts

@@ -119,29 +119,31 @@ export function getMessageCustomShape(message: ApiMessage): boolean {
 
   const hasOtherFormatting = text?.entities?.some((entity) => entity.type !== ApiMessageEntityTypes.CustomEmoji);
 
-  return Boolean(message.emojiOnlyCount && !hasOtherFormatting);
+  return Boolean(text.emojiOnlyCount && !hasOtherFormatting);
 }
 
-export function getMessageSingleRegularEmoji(message: ApiMessage) {
+export function getMessageSingleRegularEmoji(message: MediaContainer) {
   const { text } = message.content;
 
-  if (text?.entities?.length || message.emojiOnlyCount !== 1) {
+  if (!text || text.entities?.length || text.emojiOnlyCount !== 1) {
     return undefined;
   }
 
-  return text!.text;
+  return text.text;
 }
 
-export function getMessageSingleCustomEmoji(message: ApiMessage): string | undefined {
+export function getMessageSingleCustomEmoji(message: MediaContainer): string | undefined {
   const { text } = message.content;
 
+  const firstEntity = text?.entities?.[0];
   if (text?.entities?.length !== 1
-    || text.entities[0].type !== ApiMessageEntityTypes.CustomEmoji
+    || firstEntity?.type !== ApiMessageEntityTypes.CustomEmoji
-    || message.emojiOnlyCount !== 1) {
+    || firstEntity.offset !== 0
+    || firstEntity.length !== text.text.length) {
     return undefined;
   }
 
-  return text.entities[0].documentId;
+  return firstEntity.documentId;
 }
 
 export function getFirstLinkInMessage(message: ApiMessage) {
@@ -250,7 +252,7 @@ export function isMessageTranslatable(message: ApiMessage, allowOutgoing?: boole
   const isServiceNotification = isServiceNotificationMessage(message);
   const isAction = isActionMessage(message);
 
-  return Boolean(text?.text.length && !message.emojiOnlyCount && !game && (allowOutgoing || !message.isOutgoing)
+  return Boolean(text?.text.length && !text.emojiOnlyCount && !game && (allowOutgoing || !message.isOutgoing)
     && !isLocal && !isServiceNotification && !isAction && !message.isScheduled);
 }
 

src/global/reducers/messages.ts

@@ -274,19 +274,18 @@ export function updateChatMessage<T extends GlobalState>(
     }
   }
 
-  let emojiOnlyCount = message?.emojiOnlyCount;
   let text = message?.content?.text;
   if (messageUpdate.content) {
-    emojiOnlyCount = getEmojiOnlyCountForMessage(
+    const emojiOnlyCount = getEmojiOnlyCountForMessage(
       messageUpdate.content, message?.groupedId || messageUpdate.groupedId,
     );
     text = messageUpdate.content.text ? addTimestampEntities(messageUpdate.content.text) : text;
+    if (text) text.emojiOnlyCount = emojiOnlyCount;
   }
 
   const updatedMessage = omitUndefined({
     ...message,
     ...messageUpdate,
-    emojiOnlyCount,
     text,
   });
 
@@ -305,19 +304,18 @@ export function updateScheduledMessage<T extends GlobalState>(
 ): T {
   const message = selectScheduledMessage(global, chatId, messageId)!;
 
-  let emojiOnlyCount = message?.emojiOnlyCount;
   let text = message?.content?.text;
   if (messageUpdate.content) {
-    emojiOnlyCount = getEmojiOnlyCountForMessage(
+    const emojiOnlyCount = getEmojiOnlyCountForMessage(
       messageUpdate.content, message?.groupedId || messageUpdate.groupedId,
     );
     text = messageUpdate.content.text ? addTimestampEntities(messageUpdate.content.text) : text;
+    if (text) text.emojiOnlyCount = emojiOnlyCount;
   }
 
   const updatedMessage = {
     ...message,
     ...messageUpdate,
-    emojiOnlyCount,
     text,
   };
 

src/global/selectors/media.ts

@@ -3,7 +3,6 @@ import type {
 } from '../types';
 import {
   type ApiMessage,
-  ApiMessageEntityTypes,
   type MediaContainer,
   type SizeTarget,
 } from '../../api/types';
@@ -16,8 +15,9 @@ import {
   getMessageInvoice,
   getMessageMediaHash,
   getMessagePhoto,
+  getMessageSingleCustomEmoji,
+  getMessageSingleRegularEmoji,
   getMessageSticker,
-  getMessageText,
   getMessageVideo,
   getMessageVoice,
   getWebPageAudio,
@@ -31,7 +31,7 @@ import {
   selectWebPageFromMessage,
 } from './messages';
 import { selectSettingsKeys } from './settings';
-import { selectCustomEmoji } from './symbols';
+import { selectAnimatedEmoji, selectCustomEmoji } from './symbols';
 
 export function selectIsMediaNsfw<T extends GlobalState>(global: T, message: ApiMessage) {
   const { isSensitiveEnabled } = selectSettingsKeys(global);
@@ -46,19 +46,14 @@ export function selectIsMediaNsfw<T extends GlobalState>(global: T, message: Api
 }
 
 export function selectMessageDownloadableMedia<T extends GlobalState>(global: T, message: MediaContainer) {
-  const text = getMessageText(message);
+  const singleEmoji = getMessageSingleRegularEmoji(message);
-  const firstEntity = text?.entities?.[0];
+  const animatedEmoji = singleEmoji && selectAnimatedEmoji(global, singleEmoji);
-  const isSingleCustomEmoji = firstEntity
+  const animatedCustomEmojiId = getMessageSingleCustomEmoji(message);
-    && text.entities?.length === 1
+  const customEmoji = animatedCustomEmojiId && selectCustomEmoji(global, animatedCustomEmojiId);
-    && firstEntity.type === ApiMessageEntityTypes.CustomEmoji
-    && firstEntity.offset === 0
-    && firstEntity.length === text.text.length;
-
-  const customEmoji = isSingleCustomEmoji ? selectCustomEmoji(global, firstEntity.documentId) : undefined;
 
   const webPage = selectWebPageFromMessage(global, message);
   return (
-    customEmoji
+    customEmoji || animatedEmoji
     || getMessagePhoto(message)
     || getMessageVideo(message)
     || getMessageDocument(message)

src/util/dates/timestamp.ts

@@ -8,8 +8,9 @@ import { getSeconds } from './units';
 
 const TIMESTAMP_RE = /\b(?:(\d{1,2}):)?([0-5]?\d):([0-5]\d)\b/g;
 
-export function addTimestampEntities(apiText: ApiFormattedText): ApiFormattedText {
+export function addTimestampEntities<T extends ApiFormattedText>(apiText: T): T {
-  const resultText: Required<ApiFormattedText> = {
+  const resultText: Required<ApiFormattedText> & T = {
+    ...apiText,
     text: apiText.text,
     entities: apiText.entities?.filter((e) => e.type !== ApiMessageEntityTypes.Timestamp) || [],
   };