package eu.siacs.conversations.xmpp.jingle; import android.media.AudioManager; import android.media.ToneGenerator; import android.util.Log; import java.util.Collections; import java.util.Set; import java.util.concurrent.ScheduledFuture; import java.util.concurrent.TimeUnit; import eu.siacs.conversations.Config; import static java.util.Arrays.asList; public class ToneManager { private final ToneGenerator toneGenerator; private ToneState state = null; private ScheduledFuture currentTone; public ToneManager() { this.toneGenerator = new ToneGenerator(AudioManager.STREAM_VOICE_CALL, 35); } public void transition(final boolean isInitiator, final RtpEndUserState state) { transition(of(isInitiator, state, Collections.emptySet())); } public void transition(final boolean isInitiator, final RtpEndUserState state, final Set media) { transition(of(isInitiator, state, media)); } private static ToneState of(final boolean isInitiator, final RtpEndUserState state, final Set media) { if (isInitiator) { if (asList(RtpEndUserState.RINGING, RtpEndUserState.CONNECTING).contains(state)) { return ToneState.RINGING; } if (state == RtpEndUserState.DECLINED_OR_BUSY) { return ToneState.BUSY; } } if (state == RtpEndUserState.ENDING_CALL) { if (media.contains(Media.VIDEO)) { return ToneState.NULL; } else { return ToneState.ENDING_CALL; } } if (state == RtpEndUserState.CONNECTED) { if (media.contains(Media.VIDEO)) { return ToneState.NULL; } else { return ToneState.CONNECTED; } } return ToneState.NULL; } private synchronized void transition(ToneState state) { if (this.state == state) { return; } if (state == ToneState.NULL && this.state == ToneState.ENDING_CALL) { return; } cancelCurrentTone(); Log.d(Config.LOGTAG, getClass().getName() + ".transition(" + state + ")"); switch (state) { case RINGING: scheduleWaitingTone(); break; case CONNECTED: scheduleConnected(); break; case BUSY: scheduleBusy(); break; case ENDING_CALL: scheduleEnding(); break; } this.state = state; } private void scheduleConnected() { this.currentTone = JingleConnectionManager.SCHEDULED_EXECUTOR_SERVICE.schedule(() -> { this.toneGenerator.startTone(ToneGenerator.TONE_CDMA_ONE_MIN_BEEP, 145); }, 0, TimeUnit.SECONDS); } private void scheduleEnding() { this.currentTone = JingleConnectionManager.SCHEDULED_EXECUTOR_SERVICE.schedule(() -> { this.toneGenerator.startTone(ToneGenerator.TONE_CDMA_CALLDROP_LITE, 375); }, 0, TimeUnit.SECONDS); } private void scheduleBusy() { this.currentTone = JingleConnectionManager.SCHEDULED_EXECUTOR_SERVICE.schedule(() -> { this.toneGenerator.startTone(ToneGenerator.TONE_CDMA_NETWORK_BUSY, 2500); }, 0, TimeUnit.SECONDS); } private void scheduleWaitingTone() { this.currentTone = JingleConnectionManager.SCHEDULED_EXECUTOR_SERVICE.scheduleAtFixedRate(() -> { this.toneGenerator.startTone(ToneGenerator.TONE_CDMA_DIAL_TONE_LITE, 750); }, 0, 3, TimeUnit.SECONDS); } private void cancelCurrentTone() { if (currentTone != null) { currentTone.cancel(true); } toneGenerator.stopTone(); } private enum ToneState { NULL, RINGING, CONNECTED, BUSY, ENDING_CALL } }