/* * Nextcloud Talk - Android Client * * SPDX-FileCopyrightText: 2022 Daniel Calviño Sánchez * SPDX-License-Identifier: GPL-3.0-or-later */ package com.nextcloud.talk.webrtc; import java.util.ArrayList; import java.util.LinkedHashSet; import java.util.Set; /** * Helper class to register and notify DataChannelMessageListeners. *

* This class is only meant for internal use by PeerConnectionWrapper; listeners must register themselves against * a PeerConnectionWrapper rather than against a DataChannelMessageNotifier. */ public class DataChannelMessageNotifier { public final Set dataChannelMessageListeners = new LinkedHashSet<>(); public synchronized void addListener(PeerConnectionWrapper.DataChannelMessageListener listener) { if (listener == null) { throw new IllegalArgumentException("DataChannelMessageListener can not be null"); } dataChannelMessageListeners.add(listener); } public synchronized void removeListener(PeerConnectionWrapper.DataChannelMessageListener listener) { dataChannelMessageListeners.remove(listener); } public synchronized void notifyAudioOn() { for (PeerConnectionWrapper.DataChannelMessageListener listener : new ArrayList<>(dataChannelMessageListeners)) { listener.onAudioOn(); } } public synchronized void notifyAudioOff() { for (PeerConnectionWrapper.DataChannelMessageListener listener : new ArrayList<>(dataChannelMessageListeners)) { listener.onAudioOff(); } } public synchronized void notifyVideoOn() { for (PeerConnectionWrapper.DataChannelMessageListener listener : new ArrayList<>(dataChannelMessageListeners)) { listener.onVideoOn(); } } public synchronized void notifyVideoOff() { for (PeerConnectionWrapper.DataChannelMessageListener listener : new ArrayList<>(dataChannelMessageListeners)) { listener.onVideoOff(); } } public synchronized void notifyNickChanged(String nick) { for (PeerConnectionWrapper.DataChannelMessageListener listener : new ArrayList<>(dataChannelMessageListeners)) { listener.onNickChanged(nick); } } }