org.teamapps.ux.component.chat.ChatDisplayModel Maven / Gradle / Ivy

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TeamApps UX

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/*-
 * ========================LICENSE_START=================================
 * TeamApps
 * ---
 * Copyright (C) 2014 - 2024 TeamApps.org
 * ---
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * =========================LICENSE_END==================================
 */
package org.teamapps.ux.component.chat;

import org.teamapps.event.Event;

public interface ChatDisplayModel {

	Event onMessagesAdded();

	Event onMessageDeleted();

	Event onMessageChanged();

	Event onAllDataChanged();

	ChatMessage getChatMessageById(int id);

	ChatMessageBatch getPreviousMessages(Integer earliestKnownMessageId, int numberOfMessages);

	default ChatMessageBatch getLastChatMessages(int numberOfMessages) {
		return getPreviousMessages(null, numberOfMessages);
	}

}