ChatViewModel.kt (1619B)
1 /* 2 This file is part of GNUnet. 3 Copyright (C) 2021--2025 GNUnet e.V. 4 5 GNUnet is free software: you can redistribute it and/or modify it 6 under the terms of the GNU Affero General Public License as published 7 by the Free Software Foundation, either version 3 of the License, 8 or (at your option) any later version. 9 10 GNUnet is distributed in the hope that it will be useful, but 11 WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 Affero General Public License for more details. 14 15 You should have received a copy of the GNU Affero General Public License 16 along with this program. If not, see <http://www.gnu.org/licenses/>. 17 18 SPDX-License-Identifier: AGPL3.0-or-later 19 */ 20 /* 21 * @author t3sserakt 22 * @file GNUnetMessenger/app/src/main/java/org/gnunet/gnunetmessenger/ui/viewmodel/ChatViewModel.kt 23 */ 24 25 package org.gnunet.gnunetmessenger.viewmodel 26 27 import androidx.lifecycle.LiveData 28 import androidx.lifecycle.MutableLiveData 29 import androidx.lifecycle.ViewModel 30 import org.gnunet.gnunetmessenger.model.ChatContext 31 import org.gnunet.gnunetmessenger.model.ChatMessage 32 33 class ChatViewModel(chatContext: ChatContext) : ViewModel() { 34 35 private val _messages = MutableLiveData<List<ChatMessage>>(emptyList()) 36 val messages: LiveData<List<ChatMessage>> = _messages 37 38 fun addMessage(msg: ChatMessage) { 39 val updated = _messages.value.orEmpty().toMutableList().apply { 40 add(msg) 41 } 42 _messages.value = updated 43 } 44 45 fun clearModel() { 46 _messages.value = emptyList() 47 } 48 }