setTypingIndicator method

Implementation

@override
setTypingIndicator(
    TypingIndicator typingIndicator, bool isTypingStarted) async {
  int matchingIndex;
  if (typingIndicator.receiverType == ReceiverTypeConstants.user) {
    matchingIndex = list.indexWhere((Conversation conversation) =>
        (conversation.conversationType == ReceiverTypeConstants.user &&
            (conversation.conversationWith as User).uid ==
                typingIndicator.sender.uid));
  } else {
    matchingIndex = list.indexWhere((Conversation conversation) =>
        (conversation.conversationType == ReceiverTypeConstants.group &&
            (conversation.conversationWith as Group).guid ==
                typingIndicator.receiverId));
  }
  if (matchingIndex != -1) {
    if (isTypingStarted == true) {
      typingMap[list[matchingIndex].conversationId!] = typingIndicator;
    } else {
      if (typingMap.containsKey(list[matchingIndex].conversationId!)) {
        typingMap.remove(list[matchingIndex].conversationId!);
      }
    }
    update();
  }
}