adds some clues about how to implement tapbacks

Dumped Classes/IMCore_ClassDump.h

@@ -1754,10 +1754,13 @@ __attribute__((visibility("default"))) @interface IMService : NSObject { }
 @property(nonatomic) BOOL chatInScrutinyMode; // @synthesize chatInScrutinyMode=_chatInScrutinyMode;
 @property(readonly, nonatomic) NSArray *messageEditChatItems; // @synthesize messageEditChatItems=_messageEditChatItems;
 @property(retain, nonatomic, setter=_setVisibleAssociatedMessageChatItems:) NSArray *visibleAssociatedMessageChatItems; // @synthesize visibleAssociatedMessageChatItems=_visibleAssociatedMessageChatItems;
-@property(nonatomic) struct _NSRange messagePartRange; // @synthesize messagePartRange=_messagePartRange;
 @property(nonatomic) long long index; // @synthesize index=_index;
 @property(readonly, copy, nonatomic) NSAttributedString *text; // @synthesize text=_text;
 
+@property (nonatomic, copy, readonly) NSString *threadIdentifier;
+@property(nonatomic) struct _NSRange messagePartRange; // @synthesize messagePartRange=_messagePartRange;
+
+
 - (BOOL)canSendMessageAcknowledgment;
 - (void)_setMessageEditChatItems:(id)arg1;
 - (id)_initWithItem:(id)arg1 text:(id)arg2 index:(long long)arg3 messagePartRange:(struct _NSRange)arg4 visibleAssociatedMessageChatItems:(id)arg5;
@@ -3689,6 +3692,58 @@ typedef NS_ENUM(NSInteger, IMMessageDescriptionType) {
     IMMessageDescriptionSPI,
 };
 
+typedef NS_ENUM(int64_t, IMAssociatedMessageType) {
+    IMAssociatedMessageTypeUnspecified                          = 0,
+    
+    IMAssociatedMessageTypeBreadcrumbUnconsumed                 = 2,
+    IMAssociatedMessageTypeBreadcrumbConsumed                   = 3,
+    IMAssociatedMessageTypeSticker                              = 1000,
+    IMAssociatedMessageTypeEmojiSticker                         = 1001,
+    
+    IMAssociatedMessageTypeAcknowledgmentHeart                  = 2000,
+    IMAssociatedMessageTypeAcknowledgmentThumbsUp               = 2001,
+    IMAssociatedMessageTypeAcknowledgmentThumbsDown             = 2002,
+    IMAssociatedMessageTypeAcknowledgmentHa                     = 2003,
+    IMAssociatedMessageTypeAcknowledgmentExclamation            = 2004,
+    IMAssociatedMessageTypeAcknowledgmentQuestionMark           = 2005,
+
+    IMAssociatedMessageTypeAcknowledgmentHeartRemoved           = 3000,
+    IMAssociatedMessageTypeAcknowledgmentThumbsUpRemoved        = 3001,
+    IMAssociatedMessageTypeAcknowledgmentThumbsDownRemoved      = 3002,
+    IMAssociatedMessageTypeAcknowledgmentHaRemoved              = 3003,
+    IMAssociatedMessageTypeAcknowledgmentExclamationRemoved     = 3004,
+    IMAssociatedMessageTypeAcknowledgmentQuestionMarkRemoved    = 3005,
+};
+
+extern NSString * const IMMessageSummaryInfoSummary;
+extern NSString * const IMMessageSummaryInfoContentType;
+extern NSString * const IMMessageSummaryInfoPluginBundleID;
+extern NSString * const IMMessageSummaryInfoPluginDisplayName;
+extern NSString * const IMMessageSummaryInfoAssociatedBalloonBundleID;
+extern NSString * const IMMessageSummaryInfoSourceApplicationID;
+extern NSString * const IMMessageSummaryInfoUpdatedDateWithServerTime;
+extern NSString * const IMMessageSummaryInfoHasBeenRetried;
+extern NSString * const IMMessageSummaryInfoTapbackRepresentationKey;
+extern NSString * const IMMessageSummaryInfoStickerRepositioningKey;
+extern NSString * const IMMessageSummaryInfoTranscriptSharingMessageTypeKey;
+extern NSString * const IMMessageSummaryInfoTranscriptSharingMessageFirstItemKey;
+extern NSString * const IMMessageSummaryInfoEditedPartIndexes;
+extern NSString * const IMMessageSummaryInfoRetractedPartIndexes;
+extern NSString * const IMMessageSummaryInfoOriginalTextRangesByPartIndex;
+extern NSString * const IMMessageSummaryInfoOriginalTextRangeLocationSubKey;
+extern NSString * const IMMessageSummaryInfoOriginalTextRangeLengthSubKey;
+extern NSString * const IMMessageSummaryInfoEditDeliveryFailedForPartIndexes;
+extern NSString * const IMMessageSummaryInfoRetractDeliveryFailedForPartIndexes;
+extern NSString * const IMMessageSummaryInfoEditUnsupportedByHandleIDs;
+extern NSString * const IMMessageSummaryInfoTranslatedText;
+extern NSString * const IMMessageSummaryInfoDetectedLanguage;
+extern NSString * const IMMessageSummaryInfoCMMState;
+extern NSString * const IMMessageSummaryInfoCMMAssetOffset;
+extern NSString * const IMMessageItemErrorDomain;
+extern NSString * const IMMessageSentDistributedNotification;
+extern NSString * const IMMessageSentDistributedNotificationUserInfoMessageGUIDKey;
+extern NSString * const IMMessageSentDistributedNotificationUserInfoSucessKey;
+
 
 @interface IMMessage : NSObject <NSCopying>
 {
@@ -3745,6 +3800,22 @@ typedef NS_ENUM(NSInteger, IMMessageDescriptionType) {
 + (id)breadcrumbMessageWithText:(id)arg1 associatedMessageGUID:(id)arg2 balloonBundleID:(id)arg3 fileTransferGUIDs:(id)arg4 payloadData:(id)arg5;
 + (id)editedMessageWithOriginalMessage:(id)arg1 originalPrefixedGUID:(id)arg2 newBody:(id)arg3;
 + (id)instantMessageWithAssociatedMessageContent:(id)arg1 flags:(unsigned long long)arg2 associatedMessageGUID:(id)arg3 associatedMessageType:(long long)arg4 associatedMessageRange:(struct _NSRange)arg5 messageSummaryInfo:(id)arg6;
+
++ (instancetype)instantMessageWithAssociatedMessageContent:(NSAttributedString *) content
+                                                     flags:(IMMessageFlags)flags
+                                     associatedMessageGUID:(NSString*) associatedMessageGUID
+                                     associatedMessageType:(IMAssociatedMessageType) associatedMessageType
+                                    associatedMessageRange:(NSRange) associatedMessageRange
+                                        messageSummaryInfo:(NSDictionary*) messageSummaryInfo
+                                          threadIdentifier:(NSString *)threadIdentifier;
+
++ (instancetype)breadcrumbMessageWithText:(NSAttributedString *)text
+                    associatedMessageGUID:(NSString *)messageGUID
+                          balloonBundleID:(NSString *)balloonBundleID
+                        fileTransferGUIDs:(NSArray<NSString *> *)fileTransferGUIDs
+                              payloadData:(NSData *)payloadData
+                         threadIdentifier:(NSString *)threadIdentifier;
+
 @property(nonatomic) unsigned long long sortID; // @synthesize sortID=_sortID;
 @property(nonatomic) BOOL isSOS; // @synthesize isSOS=_isSOS;
 @property(retain, nonatomic) NSString *notificationIDSTokenURI; // @synthesize notificationIDSTokenURI=_notificationIDSTokenURI;

kordophone/Bridge/Operations/MBIMSendMessageOperation.m

@@ -57,6 +57,26 @@
     return result;
 }
 
+#if 0
+- (NSDictionary *)adjustMessageSummaryInfoForSending:(NSDictionary *)messageSummaryInfo
+{
+    NSMutableDictionary *adjustedInfo = [messageSummaryInfo mutableCopy];
+    if (!adjustedInfo) {
+        adjustedInfo = [NSMutableDictionary dictionary];
+    }
+
+    if ([fullText length] > 50) {
+        summary = [[summary substringToIndex:[summary rangeOfComposedCharacterSequenceAtIndex:kMaxSummaryLength].location] stringByAppendingString:@"…"];
+        adjustedInfo[IMMessageSummaryInfoSummary] = summary;
+    }
+
+    
+    adjustedInfo[IMMessageSummaryInfoTapbackRepresentationKey] = @"Loved";
+
+    return adjustedInfo;
+}
+#endif
+
 - (void)main
 {
     NSObject<HTTPResponse> *response = [[HTTPErrorResponse alloc] initWithErrorCode:500];
@@ -75,6 +95,17 @@
         return;
     }
     
+    // tapbacks
+#if 0
+    IMMessage *acknowledgment = [IMMessage instantMessageWithAssociatedMessageContent: /* [NSString stringWithFormat:@"%@ \"%%@\"", tapbackAction] */
+                                                                                flags:0
+                                                                associatedMessageGUID:guid
+                                                                associatedMessageType:IMAssociatedMessageTypeAcknowledgmentHeart
+                                                               associatedMessageRange:[imMessage messagePartRange]
+                                                                   messageSummaryInfo:[self adjustMessageSummaryInfoForSending:message]
+                                                                     threadIdentifier:[imMessage threadIdentifier]];
+#endif
+    
     NSArray *transferGUIDs = [args objectForKey:@"fileTransferGUIDs"];
     if (!transferGUIDs) {
         transferGUIDs = @[];