RtpSessionActivity.java

   1package eu.siacs.conversations.ui;
   2
   3import static eu.siacs.conversations.utils.PermissionUtils.getFirstDenied;
   4
   5import static java.util.Arrays.asList;
   6
   7import android.Manifest;
   8import android.annotation.SuppressLint;
   9import android.app.Activity;
  10import android.app.PictureInPictureParams;
  11import android.content.ActivityNotFoundException;
  12import android.content.Context;
  13import android.content.Intent;
  14import android.content.pm.ActivityInfo;
  15import android.content.pm.PackageManager;
  16import android.opengl.GLException;
  17import android.os.Build;
  18import android.os.Bundle;
  19import android.os.Handler;
  20import android.os.PowerManager;
  21import android.os.SystemClock;
  22import android.util.Log;
  23import android.util.Rational;
  24import android.view.KeyEvent;
  25import android.view.Menu;
  26import android.view.MenuItem;
  27import android.view.View;
  28import android.view.WindowManager;
  29import android.widget.Toast;
  30
  31import androidx.annotation.NonNull;
  32import androidx.annotation.Nullable;
  33import androidx.annotation.RequiresApi;
  34import androidx.annotation.StringRes;
  35import androidx.databinding.DataBindingUtil;
  36
  37import com.google.common.base.Optional;
  38import com.google.common.base.Preconditions;
  39import com.google.common.base.Throwables;
  40import com.google.common.collect.ImmutableList;
  41import com.google.common.collect.ImmutableSet;
  42import com.google.common.util.concurrent.FutureCallback;
  43import com.google.common.util.concurrent.Futures;
  44
  45import eu.siacs.conversations.Config;
  46import eu.siacs.conversations.R;
  47import eu.siacs.conversations.databinding.ActivityRtpSessionBinding;
  48import eu.siacs.conversations.entities.Account;
  49import eu.siacs.conversations.entities.Contact;
  50import eu.siacs.conversations.entities.Conversation;
  51import eu.siacs.conversations.services.AppRTCAudioManager;
  52import eu.siacs.conversations.services.CallIntegration;
  53import eu.siacs.conversations.services.CallIntegrationConnectionService;
  54import eu.siacs.conversations.services.XmppConnectionService;
  55import eu.siacs.conversations.ui.util.AvatarWorkerTask;
  56import eu.siacs.conversations.ui.util.MainThreadExecutor;
  57import eu.siacs.conversations.ui.util.Rationals;
  58import eu.siacs.conversations.utils.PermissionUtils;
  59import eu.siacs.conversations.utils.TimeFrameUtils;
  60import eu.siacs.conversations.xmpp.Jid;
  61import eu.siacs.conversations.xmpp.jingle.AbstractJingleConnection;
  62import eu.siacs.conversations.xmpp.jingle.ContentAddition;
  63import eu.siacs.conversations.xmpp.jingle.JingleConnectionManager;
  64import eu.siacs.conversations.xmpp.jingle.JingleRtpConnection;
  65import eu.siacs.conversations.xmpp.jingle.Media;
  66import eu.siacs.conversations.xmpp.jingle.OngoingRtpSession;
  67import eu.siacs.conversations.xmpp.jingle.RtpCapability;
  68import eu.siacs.conversations.xmpp.jingle.RtpEndUserState;
  69
  70import org.webrtc.RendererCommon;
  71import org.webrtc.SurfaceViewRenderer;
  72import org.webrtc.VideoTrack;
  73
  74import java.lang.ref.WeakReference;
  75import java.util.Arrays;
  76import java.util.Collections;
  77import java.util.List;
  78import java.util.Set;
  79
  80public class RtpSessionActivity extends XmppActivity
  81        implements XmppConnectionService.OnJingleRtpConnectionUpdate,
  82                eu.siacs.conversations.ui.widget.SurfaceViewRenderer.OnAspectRatioChanged {
  83
  84    public static final String EXTRA_WITH = "with";
  85    public static final String EXTRA_SESSION_ID = "session_id";
  86    public static final String EXTRA_LAST_REPORTED_STATE = "last_reported_state";
  87    public static final String EXTRA_LAST_ACTION = "last_action";
  88    public static final String ACTION_ACCEPT_CALL = "action_accept_call";
  89    public static final String ACTION_MAKE_VOICE_CALL = "action_make_voice_call";
  90    public static final String ACTION_MAKE_VIDEO_CALL = "action_make_video_call";
  91
  92    private static final int CALL_DURATION_UPDATE_INTERVAL = 333;
  93
  94    private static final List<RtpEndUserState> END_CARD =
  95            Arrays.asList(
  96                    RtpEndUserState.APPLICATION_ERROR,
  97                    RtpEndUserState.SECURITY_ERROR,
  98                    RtpEndUserState.DECLINED_OR_BUSY,
  99                    RtpEndUserState.CONTACT_OFFLINE,
 100                    RtpEndUserState.CONNECTIVITY_ERROR,
 101                    RtpEndUserState.CONNECTIVITY_LOST_ERROR,
 102                    RtpEndUserState.RETRACTED);
 103    private static final List<RtpEndUserState> STATES_SHOWING_HELP_BUTTON =
 104            Arrays.asList(
 105                    RtpEndUserState.APPLICATION_ERROR,
 106                    RtpEndUserState.CONNECTIVITY_ERROR,
 107                    RtpEndUserState.SECURITY_ERROR);
 108    private static final List<RtpEndUserState> STATES_SHOWING_SWITCH_TO_CHAT =
 109            Arrays.asList(
 110                    RtpEndUserState.CONNECTING,
 111                    RtpEndUserState.CONNECTED,
 112                    RtpEndUserState.RECONNECTING,
 113                    RtpEndUserState.INCOMING_CONTENT_ADD);
 114    private static final List<RtpEndUserState> STATES_CONSIDERED_CONNECTED =
 115            Arrays.asList(RtpEndUserState.CONNECTED, RtpEndUserState.RECONNECTING);
 116    private static final List<RtpEndUserState> STATES_SHOWING_PIP_PLACEHOLDER =
 117            Arrays.asList(
 118                    RtpEndUserState.ACCEPTING_CALL,
 119                    RtpEndUserState.CONNECTING,
 120                    RtpEndUserState.RECONNECTING);
 121    private static final List<RtpEndUserState> STATES_SHOWING_SPEAKER_CONFIGURATION =
 122            new ImmutableList.Builder<RtpEndUserState>()
 123                    .add(RtpEndUserState.FINDING_DEVICE)
 124                    .add(RtpEndUserState.RINGING)
 125                    .add(RtpEndUserState.ACCEPTING_CALL)
 126                    .add(RtpEndUserState.CONNECTING)
 127                    .addAll(STATES_CONSIDERED_CONNECTED)
 128                    .build();
 129    private static final String PROXIMITY_WAKE_LOCK_TAG = "conversations:in-rtp-session";
 130    private static final int REQUEST_ACCEPT_CALL = 0x1111;
 131    private static final int REQUEST_ACCEPT_CONTENT = 0x1112;
 132    private static final int REQUEST_ADD_CONTENT = 0x1113;
 133    private WeakReference<JingleRtpConnection> rtpConnectionReference;
 134
 135    private ActivityRtpSessionBinding binding;
 136    private PowerManager.WakeLock mProximityWakeLock;
 137
 138    private final Handler mHandler = new Handler();
 139    private final Runnable mTickExecutor =
 140            new Runnable() {
 141                @Override
 142                public void run() {
 143                    updateCallDuration();
 144                    mHandler.postDelayed(mTickExecutor, CALL_DURATION_UPDATE_INTERVAL);
 145                }
 146            };
 147
 148    public static Set<Media> actionToMedia(final String action) {
 149        if (ACTION_MAKE_VIDEO_CALL.equals(action)) {
 150            return ImmutableSet.of(Media.AUDIO, Media.VIDEO);
 151        } else if (ACTION_MAKE_VOICE_CALL.equals(action)) {
 152            return ImmutableSet.of(Media.AUDIO);
 153        } else {
 154            Log.w(
 155                    Config.LOGTAG,
 156                    "actionToMedia can not get media set from unknown action " + action);
 157            return Collections.emptySet();
 158        }
 159    }
 160
 161    private static void addSink(
 162            final VideoTrack videoTrack, final SurfaceViewRenderer surfaceViewRenderer) {
 163        try {
 164            videoTrack.addSink(surfaceViewRenderer);
 165        } catch (final IllegalStateException e) {
 166            Log.e(
 167                    Config.LOGTAG,
 168                    "possible race condition on trying to display video track. ignoring",
 169                    e);
 170        }
 171    }
 172
 173    @Override
 174    public void onCreate(Bundle savedInstanceState) {
 175        super.onCreate(savedInstanceState);
 176        getWindow()
 177                .addFlags(
 178                        WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON
 179                                | WindowManager.LayoutParams.FLAG_DISMISS_KEYGUARD
 180                                | WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED
 181                                | WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON);
 182        this.binding = DataBindingUtil.setContentView(this, R.layout.activity_rtp_session);
 183        setSupportActionBar(binding.toolbar);
 184    }
 185
 186    @Override
 187    public boolean onCreateOptionsMenu(final Menu menu) {
 188        getMenuInflater().inflate(R.menu.activity_rtp_session, menu);
 189        final MenuItem help = menu.findItem(R.id.action_help);
 190        final MenuItem gotoChat = menu.findItem(R.id.action_goto_chat);
 191        final MenuItem switchToVideo = menu.findItem(R.id.action_switch_to_video);
 192        help.setVisible(Config.HELP != null && isHelpButtonVisible());
 193        gotoChat.setVisible(isSwitchToConversationVisible());
 194        switchToVideo.setVisible(isSwitchToVideoVisible());
 195        return super.onCreateOptionsMenu(menu);
 196    }
 197
 198    @Override
 199    public boolean onKeyDown(final int keyCode, final KeyEvent event) {
 200        if (keyCode == KeyEvent.KEYCODE_VOLUME_DOWN) {
 201            if (xmppConnectionService != null) {
 202                if (xmppConnectionService.getNotificationService().stopSoundAndVibration()) {
 203                    return true;
 204                }
 205            }
 206        }
 207        return super.onKeyDown(keyCode, event);
 208    }
 209
 210    private boolean isHelpButtonVisible() {
 211        try {
 212            return STATES_SHOWING_HELP_BUTTON.contains(requireRtpConnection().getEndUserState());
 213        } catch (IllegalStateException e) {
 214            final Intent intent = getIntent();
 215            final String state =
 216                    intent != null ? intent.getStringExtra(EXTRA_LAST_REPORTED_STATE) : null;
 217            if (state != null) {
 218                return STATES_SHOWING_HELP_BUTTON.contains(RtpEndUserState.valueOf(state));
 219            } else {
 220                return false;
 221            }
 222        }
 223    }
 224
 225    private boolean isSwitchToConversationVisible() {
 226        final JingleRtpConnection connection =
 227                this.rtpConnectionReference != null ? this.rtpConnectionReference.get() : null;
 228        return connection != null
 229                && STATES_SHOWING_SWITCH_TO_CHAT.contains(connection.getEndUserState());
 230    }
 231
 232    private boolean isSwitchToVideoVisible() {
 233        final JingleRtpConnection connection =
 234                this.rtpConnectionReference != null ? this.rtpConnectionReference.get() : null;
 235        if (connection == null) {
 236            return false;
 237        }
 238        return connection.isSwitchToVideoAvailable();
 239    }
 240
 241    private void switchToConversation() {
 242        final Contact contact = getWith();
 243        final Conversation conversation =
 244                xmppConnectionService.findOrCreateConversation(
 245                        contact.getAccount(), contact.getJid(), false, true);
 246        switchToConversation(conversation);
 247    }
 248
 249    public boolean onOptionsItemSelected(final MenuItem item) {
 250        final var itemItem = item.getItemId();
 251        if (itemItem == R.id.action_help) {
 252            launchHelpInBrowser();
 253            return true;
 254        } else if (itemItem == R.id.action_goto_chat) {
 255            switchToConversation();
 256            return true;
 257        } else if (itemItem == R.id.action_switch_to_video) {
 258            requestPermissionAndSwitchToVideo();
 259            return true;
 260        } else {
 261            return super.onOptionsItemSelected(item);
 262        }
 263    }
 264
 265    private void launchHelpInBrowser() {
 266        final Intent intent = new Intent(Intent.ACTION_VIEW, Config.HELP);
 267        try {
 268            startActivity(intent);
 269        } catch (final ActivityNotFoundException e) {
 270            Toast.makeText(this, R.string.no_application_found_to_open_link, Toast.LENGTH_LONG)
 271                    .show();
 272        }
 273    }
 274
 275    private void endCall(View view) {
 276        endCall();
 277    }
 278
 279    private void endCall() {
 280        if (this.rtpConnectionReference == null) {
 281            retractSessionProposal();
 282            finish();
 283        } else {
 284            requireRtpConnection().endCall();
 285        }
 286    }
 287
 288    private void retractSessionProposal() {
 289        final Intent intent = getIntent();
 290        final String action = intent.getAction();
 291        final String lastAction = intent.getStringExtra(EXTRA_LAST_ACTION);
 292        final Account account = extractAccount(intent);
 293        final Jid with = Jid.ofEscaped(intent.getStringExtra(EXTRA_WITH));
 294        final String state = intent.getStringExtra(EXTRA_LAST_REPORTED_STATE);
 295        if (!Intent.ACTION_VIEW.equals(action)
 296                || state == null
 297                || !END_CARD.contains(RtpEndUserState.valueOf(state))) {
 298            final Set<Media> media = actionToMedia(lastAction == null ? action : lastAction);
 299            resetIntent(account, with, RtpEndUserState.RETRACTED, media);
 300        }
 301        xmppConnectionService
 302                .getJingleConnectionManager()
 303                .retractSessionProposal(account, with.asBareJid());
 304    }
 305
 306    private void rejectCall(View view) {
 307        requireRtpConnection().rejectCall();
 308        finish();
 309    }
 310
 311    private void acceptCall(View view) {
 312        requestPermissionsAndAcceptCall();
 313    }
 314
 315    private void acceptContentAdd() {
 316        try {
 317            requireRtpConnection()
 318                    .acceptContentAdd(requireRtpConnection().getPendingContentAddition().summary);
 319        } catch (final IllegalStateException e) {
 320            Toast.makeText(this, e.getMessage(), Toast.LENGTH_SHORT).show();
 321        }
 322    }
 323
 324    private void requestPermissionAndSwitchToVideo() {
 325        final List<String> permissions = permissions(ImmutableSet.of(Media.VIDEO, Media.AUDIO));
 326        if (PermissionUtils.hasPermission(this, permissions, REQUEST_ADD_CONTENT)) {
 327            switchToVideo();
 328        }
 329    }
 330
 331    private void switchToVideo() {
 332        try {
 333            requireRtpConnection().addMedia(Media.VIDEO);
 334        } catch (final IllegalStateException e) {
 335            Toast.makeText(this, e.getMessage(), Toast.LENGTH_SHORT).show();
 336        }
 337    }
 338
 339    private void acceptContentAdd(final ContentAddition contentAddition) {
 340        if (contentAddition == null
 341                || contentAddition.direction != ContentAddition.Direction.INCOMING) {
 342            Log.d(Config.LOGTAG, "ignore press on content-accept button");
 343            return;
 344        }
 345        requestPermissionAndAcceptContentAdd(contentAddition);
 346    }
 347
 348    private void requestPermissionAndAcceptContentAdd(final ContentAddition contentAddition) {
 349        final List<String> permissions = permissions(contentAddition.media());
 350        if (PermissionUtils.hasPermission(this, permissions, REQUEST_ACCEPT_CONTENT)) {
 351            try {
 352                requireRtpConnection().acceptContentAdd(contentAddition.summary);
 353            } catch (final IllegalStateException e) {
 354                Toast.makeText(this, e.getMessage(), Toast.LENGTH_SHORT).show();
 355            }
 356        }
 357    }
 358
 359    private void rejectContentAdd(final View view) {
 360        requireRtpConnection().rejectContentAdd();
 361    }
 362
 363    private void requestPermissionsAndAcceptCall() {
 364        final List<String> permissions = permissions(getMedia());
 365        if (PermissionUtils.hasPermission(this, permissions, REQUEST_ACCEPT_CALL)) {
 366            putScreenInCallMode();
 367            checkRecorderAndAcceptCall();
 368        }
 369    }
 370
 371    private List<String> permissions(final Set<Media> media) {
 372        final ImmutableList.Builder<String> permissions = ImmutableList.builder();
 373        if (media.contains(Media.VIDEO)) {
 374            permissions.add(Manifest.permission.CAMERA).add(Manifest.permission.RECORD_AUDIO);
 375        } else {
 376            permissions.add(Manifest.permission.RECORD_AUDIO);
 377        }
 378        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
 379            permissions.add(Manifest.permission.BLUETOOTH_CONNECT);
 380        }
 381        return permissions.build();
 382    }
 383
 384    private void checkRecorderAndAcceptCall() {
 385        checkMicrophoneAvailabilityAsync();
 386        try {
 387            requireRtpConnection().acceptCall();
 388        } catch (final IllegalStateException e) {
 389            Toast.makeText(this, e.getMessage(), Toast.LENGTH_SHORT).show();
 390        }
 391    }
 392
 393    private void checkMicrophoneAvailabilityAsync() {
 394        new Thread(new MicrophoneAvailabilityCheck(this)).start();
 395    }
 396
 397    private static class MicrophoneAvailabilityCheck implements Runnable {
 398
 399        private final WeakReference<Activity> activityReference;
 400
 401        private MicrophoneAvailabilityCheck(final Activity activity) {
 402            this.activityReference = new WeakReference<>(activity);
 403        }
 404
 405        @Override
 406        public void run() {
 407            final long start = SystemClock.elapsedRealtime();
 408            final boolean isMicrophoneAvailable = AppRTCAudioManager.isMicrophoneAvailable();
 409            final long stop = SystemClock.elapsedRealtime();
 410            Log.d(Config.LOGTAG, "checking microphone availability took " + (stop - start) + "ms");
 411            if (isMicrophoneAvailable) {
 412                return;
 413            }
 414            final Activity activity = activityReference.get();
 415            if (activity == null) {
 416                return;
 417            }
 418            activity.runOnUiThread(
 419                    () ->
 420                            Toast.makeText(
 421                                            activity,
 422                                            R.string.microphone_unavailable,
 423                                            Toast.LENGTH_LONG)
 424                                    .show());
 425        }
 426    }
 427
 428    private void putScreenInCallMode() {
 429        putScreenInCallMode(requireRtpConnection().getMedia());
 430    }
 431
 432    private void putScreenInCallMode(final Set<Media> media) {
 433        getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
 434        if (Media.audioOnly(media)) {
 435            final JingleRtpConnection rtpConnection =
 436                    rtpConnectionReference != null ? rtpConnectionReference.get() : null;
 437            final CallIntegration callIntegration =
 438                    rtpConnection == null ? null : rtpConnection.getCallIntegration();
 439            if (callIntegration == null
 440                    || callIntegration.getSelectedAudioDevice()
 441                            == CallIntegration.AudioDevice.EARPIECE) {
 442                acquireProximityWakeLock();
 443            }
 444        }
 445        lockOrientation(media);
 446    }
 447
 448    private void lockOrientation(final Set<Media> media) {
 449        if (Media.audioOnly(media)) {
 450            setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
 451        } else {
 452            setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED);
 453        }
 454    }
 455
 456    @SuppressLint("WakelockTimeout")
 457    private void acquireProximityWakeLock() {
 458        final PowerManager powerManager = (PowerManager) getSystemService(Context.POWER_SERVICE);
 459        if (powerManager == null) {
 460            Log.e(Config.LOGTAG, "power manager not available");
 461            return;
 462        }
 463        if (isFinishing()) {
 464            Log.e(Config.LOGTAG, "do not acquire wakelock. activity is finishing");
 465            return;
 466        }
 467        if (this.mProximityWakeLock == null) {
 468            this.mProximityWakeLock =
 469                    powerManager.newWakeLock(
 470                            PowerManager.PROXIMITY_SCREEN_OFF_WAKE_LOCK, PROXIMITY_WAKE_LOCK_TAG);
 471        }
 472        if (!this.mProximityWakeLock.isHeld()) {
 473            Log.d(Config.LOGTAG, "acquiring proximity wake lock");
 474            this.mProximityWakeLock.acquire();
 475        }
 476    }
 477
 478    private void releaseProximityWakeLock() {
 479        if (this.mProximityWakeLock != null && mProximityWakeLock.isHeld()) {
 480            Log.d(Config.LOGTAG, "releasing proximity wake lock");
 481            this.mProximityWakeLock.release(PowerManager.RELEASE_FLAG_WAIT_FOR_NO_PROXIMITY);
 482            this.mProximityWakeLock = null;
 483        }
 484    }
 485
 486    private void putProximityWakeLockInProperState(final CallIntegration.AudioDevice audioDevice) {
 487        if (audioDevice == CallIntegration.AudioDevice.EARPIECE) {
 488            acquireProximityWakeLock();
 489        } else {
 490            releaseProximityWakeLock();
 491        }
 492    }
 493
 494    @Override
 495    protected void refreshUiReal() {}
 496
 497    @Override
 498    public void onNewIntent(final Intent intent) {
 499        Log.d(Config.LOGTAG, this.getClass().getName() + ".onNewIntent()");
 500        super.onNewIntent(intent);
 501        setIntent(intent);
 502        if (xmppConnectionService == null) {
 503            Log.d(
 504                    Config.LOGTAG,
 505                    "RtpSessionActivity: background service wasn't bound in onNewIntent()");
 506            return;
 507        }
 508        final Account account = extractAccount(intent);
 509        final String action = intent.getAction();
 510        final Jid with = Jid.ofEscaped(intent.getStringExtra(EXTRA_WITH));
 511        final String sessionId = intent.getStringExtra(EXTRA_SESSION_ID);
 512        if (sessionId != null) {
 513            Log.d(Config.LOGTAG, "reinitializing from onNewIntent()");
 514            if (initializeActivityWithRunningRtpSession(account, with, sessionId)) {
 515                return;
 516            }
 517            if (ACTION_ACCEPT_CALL.equals(intent.getAction())) {
 518                Log.d(Config.LOGTAG, "accepting call from onNewIntent()");
 519                requestPermissionsAndAcceptCall();
 520                resetIntent(intent.getExtras());
 521            }
 522        } else if (asList(ACTION_MAKE_VIDEO_CALL, ACTION_MAKE_VOICE_CALL).contains(action)) {
 523            proposeJingleRtpSession(account, with, actionToMedia(action));
 524            setWith(account.getRoster().getContact(with), null);
 525        } else {
 526            throw new IllegalStateException("received onNewIntent without sessionId");
 527        }
 528    }
 529
 530    @Override
 531    void onBackendConnected() {
 532        final Intent intent = getIntent();
 533        final String action = intent.getAction();
 534        final Account account = extractAccount(intent);
 535        final Jid with = Jid.ofEscaped(intent.getStringExtra(EXTRA_WITH));
 536        final String sessionId = intent.getStringExtra(EXTRA_SESSION_ID);
 537        if (sessionId != null) {
 538            if (initializeActivityWithRunningRtpSession(account, with, sessionId)) {
 539                return;
 540            }
 541            if (ACTION_ACCEPT_CALL.equals(intent.getAction())) {
 542                Log.d(Config.LOGTAG, "intent action was accept");
 543                requestPermissionsAndAcceptCall();
 544                resetIntent(intent.getExtras());
 545            }
 546        } else if (asList(ACTION_MAKE_VIDEO_CALL, ACTION_MAKE_VOICE_CALL).contains(action)) {
 547            proposeJingleRtpSession(account, with, actionToMedia(action));
 548            setWith(account.getRoster().getContact(with), null);
 549        } else if (Intent.ACTION_VIEW.equals(action)) {
 550            final String extraLastState = intent.getStringExtra(EXTRA_LAST_REPORTED_STATE);
 551            final String lastAction = intent.getStringExtra(EXTRA_LAST_ACTION);
 552            final Set<Media> media = actionToMedia(lastAction);
 553            final RtpEndUserState state =
 554                    extraLastState == null ? null : RtpEndUserState.valueOf(extraLastState);
 555            if (state != null) {
 556                Log.d(Config.LOGTAG, "restored last state from intent extra");
 557                updateButtonConfiguration(state);
 558                updateVerifiedShield(false);
 559                updateStateDisplay(state);
 560                updateIncomingCallScreen(state);
 561                invalidateOptionsMenu();
 562            }
 563            setWith(account.getRoster().getContact(with), state);
 564            if (xmppConnectionService
 565                    .getJingleConnectionManager()
 566                    .fireJingleRtpConnectionStateUpdates()) {
 567                return;
 568            }
 569            if (END_CARD.contains(state)) {
 570                return;
 571            }
 572            if (xmppConnectionService
 573                    .getJingleConnectionManager()
 574                    .hasMatchingProposal(account, with)) {
 575                putScreenInCallMode(media);
 576                return;
 577            }
 578            Log.d(Config.LOGTAG, "restored state (" + state + ") was not an end card. finishing");
 579            finish();
 580        }
 581    }
 582
 583    private void setWidth(final RtpEndUserState state) {
 584        setWith(getWith(), state);
 585    }
 586
 587    private void setWith(final Contact contact, final RtpEndUserState state) {
 588        binding.with.setText(contact.getDisplayName());
 589        if (Arrays.asList(RtpEndUserState.INCOMING_CALL, RtpEndUserState.ACCEPTING_CALL)
 590                .contains(state)) {
 591            binding.withJid.setText(contact.getJid().asBareJid().toEscapedString());
 592            binding.withJid.setVisibility(View.VISIBLE);
 593        } else {
 594            binding.withJid.setVisibility(View.GONE);
 595        }
 596    }
 597
 598    private void proposeJingleRtpSession(
 599            final Account account, final Jid with, final Set<Media> media) {
 600        checkMicrophoneAvailabilityAsync();
 601        if (with.isBareJid()) {
 602            xmppConnectionService
 603                    .getJingleConnectionManager()
 604                    .proposeJingleRtpSession(account, with, media);
 605        } else {
 606            throw new IllegalStateException(
 607                    "We should not be initializing direct calls from the RtpSessionActivity. Go through CallIntegrationConnectionService.placeCall instead!");
 608        }
 609        putScreenInCallMode(media);
 610    }
 611
 612    @Override
 613    public void onRequestPermissionsResult(
 614            int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
 615        super.onRequestPermissionsResult(requestCode, permissions, grantResults);
 616        final PermissionUtils.PermissionResult permissionResult =
 617                PermissionUtils.removeBluetoothConnect(permissions, grantResults);
 618        if (PermissionUtils.allGranted(permissionResult.grantResults)) {
 619            if (requestCode == REQUEST_ACCEPT_CALL) {
 620                checkRecorderAndAcceptCall();
 621            } else if (requestCode == REQUEST_ACCEPT_CONTENT) {
 622                acceptContentAdd();
 623            } else if (requestCode == REQUEST_ADD_CONTENT) {
 624                switchToVideo();
 625            }
 626        } else {
 627            @StringRes int res;
 628            final String firstDenied =
 629                    getFirstDenied(permissionResult.grantResults, permissionResult.permissions);
 630            if (firstDenied == null) {
 631                return;
 632            }
 633            if (Manifest.permission.RECORD_AUDIO.equals(firstDenied)) {
 634                res = R.string.no_microphone_permission;
 635            } else if (Manifest.permission.CAMERA.equals(firstDenied)) {
 636                res = R.string.no_camera_permission;
 637            } else {
 638                throw new IllegalStateException("Invalid permission result request");
 639            }
 640            Toast.makeText(this, getString(res, getString(R.string.app_name)), Toast.LENGTH_SHORT)
 641                    .show();
 642        }
 643    }
 644
 645    @Override
 646    public void onStart() {
 647        super.onStart();
 648        mHandler.postDelayed(mTickExecutor, CALL_DURATION_UPDATE_INTERVAL);
 649        this.binding.remoteVideo.setOnAspectRatioChanged(this);
 650    }
 651
 652    @Override
 653    public void onStop() {
 654        mHandler.removeCallbacks(mTickExecutor);
 655        binding.remoteVideo.release();
 656        binding.remoteVideo.setOnAspectRatioChanged(null);
 657        binding.localVideo.release();
 658        final WeakReference<JingleRtpConnection> weakReference = this.rtpConnectionReference;
 659        final JingleRtpConnection jingleRtpConnection =
 660                weakReference == null ? null : weakReference.get();
 661        if (jingleRtpConnection != null) {
 662            releaseVideoTracks(jingleRtpConnection);
 663        }
 664        releaseProximityWakeLock();
 665        super.onStop();
 666    }
 667
 668    private void releaseVideoTracks(final JingleRtpConnection jingleRtpConnection) {
 669        final Optional<VideoTrack> remoteVideo = jingleRtpConnection.getRemoteVideoTrack();
 670        if (remoteVideo.isPresent()) {
 671            remoteVideo.get().removeSink(binding.remoteVideo);
 672        }
 673        final Optional<VideoTrack> localVideo = jingleRtpConnection.getLocalVideoTrack();
 674        if (localVideo.isPresent()) {
 675            localVideo.get().removeSink(binding.localVideo);
 676        }
 677    }
 678
 679    @Override
 680    public void onBackPressed() {
 681        if (isConnected()) {
 682            if (switchToPictureInPicture()) {
 683                return;
 684            }
 685        } else {
 686            endCall();
 687        }
 688        super.onBackPressed();
 689    }
 690
 691    @Override
 692    public void onUserLeaveHint() {
 693        super.onUserLeaveHint();
 694        if (switchToPictureInPicture()) {
 695            return;
 696        }
 697        // TODO apparently this method is not getting called on Android 10 when using the task
 698        // switcher
 699        if (emptyReference(rtpConnectionReference) && xmppConnectionService != null) {
 700            retractSessionProposal();
 701        }
 702    }
 703
 704    private boolean isConnected() {
 705        final JingleRtpConnection connection =
 706                this.rtpConnectionReference != null ? this.rtpConnectionReference.get() : null;
 707        final RtpEndUserState endUserState =
 708                connection == null ? null : connection.getEndUserState();
 709        return STATES_CONSIDERED_CONNECTED.contains(endUserState)
 710                || endUserState == RtpEndUserState.INCOMING_CONTENT_ADD;
 711    }
 712
 713    private boolean switchToPictureInPicture() {
 714        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O && deviceSupportsPictureInPicture()) {
 715            if (shouldBePictureInPicture()) {
 716                startPictureInPicture();
 717                return true;
 718            }
 719        }
 720        return false;
 721    }
 722
 723    @RequiresApi(api = Build.VERSION_CODES.O)
 724    private void startPictureInPicture() {
 725        try {
 726            final Rational rational = this.binding.remoteVideo.getAspectRatio();
 727            final Rational clippedRational = Rationals.clip(rational);
 728            Log.d(
 729                    Config.LOGTAG,
 730                    "suggested rational " + rational + ". clipped to " + clippedRational);
 731            enterPictureInPictureMode(
 732                    new PictureInPictureParams.Builder().setAspectRatio(clippedRational).build());
 733        } catch (final IllegalStateException e) {
 734            // this sometimes happens on Samsung phones (possibly when Knox is enabled)
 735            Log.w(Config.LOGTAG, "unable to enter picture in picture mode", e);
 736        }
 737    }
 738
 739    @Override
 740    public void onAspectRatioChanged(final Rational rational) {
 741        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O && isPictureInPicture()) {
 742            final Rational clippedRational = Rationals.clip(rational);
 743            Log.d(
 744                    Config.LOGTAG,
 745                    "suggested rational after aspect ratio change "
 746                            + rational
 747                            + ". clipped to "
 748                            + clippedRational);
 749            setPictureInPictureParams(
 750                    new PictureInPictureParams.Builder().setAspectRatio(clippedRational).build());
 751        }
 752    }
 753
 754    private boolean deviceSupportsPictureInPicture() {
 755        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
 756            return getPackageManager().hasSystemFeature(PackageManager.FEATURE_PICTURE_IN_PICTURE);
 757        } else {
 758            return false;
 759        }
 760    }
 761
 762    private boolean shouldBePictureInPicture() {
 763        try {
 764            final JingleRtpConnection rtpConnection = requireRtpConnection();
 765            return rtpConnection.getMedia().contains(Media.VIDEO)
 766                    && Arrays.asList(
 767                                    RtpEndUserState.ACCEPTING_CALL,
 768                                    RtpEndUserState.CONNECTING,
 769                                    RtpEndUserState.CONNECTED)
 770                            .contains(rtpConnection.getEndUserState());
 771        } catch (final IllegalStateException e) {
 772            return false;
 773        }
 774    }
 775
 776    private boolean initializeActivityWithRunningRtpSession(
 777            final Account account, Jid with, String sessionId) {
 778        final WeakReference<JingleRtpConnection> reference =
 779                xmppConnectionService
 780                        .getJingleConnectionManager()
 781                        .findJingleRtpConnection(account, with, sessionId);
 782        if (reference == null || reference.get() == null) {
 783            final JingleConnectionManager.TerminatedRtpSession terminatedRtpSession =
 784                    xmppConnectionService
 785                            .getJingleConnectionManager()
 786                            .getTerminalSessionState(with, sessionId);
 787            if (terminatedRtpSession == null) {
 788                throw new IllegalStateException(
 789                        "failed to initialize activity with running rtp session. session not found");
 790            }
 791            initializeWithTerminatedSessionState(account, with, terminatedRtpSession);
 792            return true;
 793        }
 794        this.rtpConnectionReference = reference;
 795        final RtpEndUserState currentState = requireRtpConnection().getEndUserState();
 796        final boolean verified = requireRtpConnection().isVerified();
 797        if (currentState == RtpEndUserState.ENDED) {
 798            finish();
 799            return true;
 800        }
 801        final Set<Media> media = getMedia();
 802        final ContentAddition contentAddition = getPendingContentAddition();
 803        if (currentState == RtpEndUserState.INCOMING_CALL) {
 804            getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
 805        }
 806        if (JingleRtpConnection.STATES_SHOWING_ONGOING_CALL.contains(
 807                requireRtpConnection().getState())) {
 808            putScreenInCallMode();
 809        }
 810        setWidth(currentState);
 811        updateVideoViews(currentState);
 812        updateStateDisplay(currentState, media, contentAddition);
 813        updateVerifiedShield(verified && STATES_SHOWING_SWITCH_TO_CHAT.contains(currentState));
 814        updateButtonConfiguration(currentState, media, contentAddition);
 815        updateIncomingCallScreen(currentState);
 816        invalidateOptionsMenu();
 817        return false;
 818    }
 819
 820    private void initializeWithTerminatedSessionState(
 821            final Account account,
 822            final Jid with,
 823            final JingleConnectionManager.TerminatedRtpSession terminatedRtpSession) {
 824        Log.d(Config.LOGTAG, "initializeWithTerminatedSessionState()");
 825        if (terminatedRtpSession.state == RtpEndUserState.ENDED) {
 826            finish();
 827            return;
 828        }
 829        final RtpEndUserState state = terminatedRtpSession.state;
 830        resetIntent(account, with, terminatedRtpSession.state, terminatedRtpSession.media);
 831        updateButtonConfiguration(state);
 832        updateStateDisplay(state);
 833        updateIncomingCallScreen(state);
 834        updateCallDuration();
 835        updateVerifiedShield(false);
 836        invalidateOptionsMenu();
 837        setWith(account.getRoster().getContact(with), state);
 838    }
 839
 840    private void reInitializeActivityWithRunningRtpSession(
 841            final Account account, Jid with, String sessionId) {
 842        runOnUiThread(() -> initializeActivityWithRunningRtpSession(account, with, sessionId));
 843        resetIntent(account, with, sessionId);
 844    }
 845
 846    private void resetIntent(final Account account, final Jid with, final String sessionId) {
 847        final Intent intent = new Intent(Intent.ACTION_VIEW);
 848        intent.putExtra(EXTRA_ACCOUNT, account.getJid().toEscapedString());
 849        intent.putExtra(EXTRA_WITH, with.toEscapedString());
 850        intent.putExtra(EXTRA_SESSION_ID, sessionId);
 851        setIntent(intent);
 852    }
 853
 854    private void ensureSurfaceViewRendererIsSetup(final SurfaceViewRenderer surfaceViewRenderer) {
 855        surfaceViewRenderer.setVisibility(View.VISIBLE);
 856        try {
 857            surfaceViewRenderer.init(requireRtpConnection().getEglBaseContext(), null);
 858        } catch (final IllegalStateException ignored) {
 859            // SurfaceViewRenderer was already initialized
 860        } catch (final RuntimeException e) {
 861            if (Throwables.getRootCause(e) instanceof GLException glException) {
 862                Log.w(Config.LOGTAG, "could not set up hardware renderer", glException);
 863            }
 864        }
 865        surfaceViewRenderer.setEnableHardwareScaler(true);
 866    }
 867
 868    private void updateStateDisplay(final RtpEndUserState state) {
 869        updateStateDisplay(state, Collections.emptySet(), null);
 870    }
 871
 872    private void updateStateDisplay(
 873            final RtpEndUserState state,
 874            final Set<Media> media,
 875            final ContentAddition contentAddition) {
 876        switch (state) {
 877            case INCOMING_CALL -> {
 878                Preconditions.checkArgument(media.size() > 0, "Media must not be empty");
 879                if (media.contains(Media.VIDEO)) {
 880                    setTitle(R.string.rtp_state_incoming_video_call);
 881                } else {
 882                    setTitle(R.string.rtp_state_incoming_call);
 883                }
 884            }
 885            case INCOMING_CONTENT_ADD -> {
 886                if (contentAddition != null && contentAddition.media().contains(Media.VIDEO)) {
 887                    setTitle(R.string.rtp_state_content_add_video);
 888                } else {
 889                    setTitle(R.string.rtp_state_content_add);
 890                }
 891            }
 892            case CONNECTING -> setTitle(R.string.rtp_state_connecting);
 893            case CONNECTED -> setTitle(R.string.rtp_state_connected);
 894            case RECONNECTING -> setTitle(R.string.rtp_state_reconnecting);
 895            case ACCEPTING_CALL -> setTitle(R.string.rtp_state_accepting_call);
 896            case ENDING_CALL -> setTitle(R.string.rtp_state_ending_call);
 897            case FINDING_DEVICE -> setTitle(R.string.rtp_state_finding_device);
 898            case RINGING -> setTitle(R.string.rtp_state_ringing);
 899            case DECLINED_OR_BUSY -> setTitle(R.string.rtp_state_declined_or_busy);
 900            case CONTACT_OFFLINE -> setTitle(R.string.rtp_state_contact_offline);
 901            case CONNECTIVITY_ERROR -> setTitle(R.string.rtp_state_connectivity_error);
 902            case CONNECTIVITY_LOST_ERROR -> setTitle(R.string.rtp_state_connectivity_lost_error);
 903            case RETRACTED -> setTitle(R.string.rtp_state_retracted);
 904            case APPLICATION_ERROR -> setTitle(R.string.rtp_state_application_failure);
 905            case SECURITY_ERROR -> setTitle(R.string.rtp_state_security_error);
 906            case ENDED -> throw new IllegalStateException(
 907                    "Activity should have called finishAndReleaseWakeLock();");
 908            default -> throw new IllegalStateException(
 909                    String.format("State %s has not been handled in UI", state));
 910        }
 911    }
 912
 913    private void updateVerifiedShield(final boolean verified) {
 914        if (isPictureInPicture()) {
 915            this.binding.verified.setVisibility(View.GONE);
 916            return;
 917        }
 918        this.binding.verified.setVisibility(verified ? View.VISIBLE : View.GONE);
 919    }
 920
 921    private void updateIncomingCallScreen(final RtpEndUserState state) {
 922        updateIncomingCallScreen(state, null);
 923    }
 924
 925    private void updateIncomingCallScreen(final RtpEndUserState state, final Contact contact) {
 926        if (state == RtpEndUserState.INCOMING_CALL || state == RtpEndUserState.ACCEPTING_CALL) {
 927            final boolean show = getResources().getBoolean(R.bool.show_avatar_incoming_call);
 928            if (show) {
 929                binding.contactPhoto.setVisibility(View.VISIBLE);
 930                if (contact == null) {
 931                    AvatarWorkerTask.loadAvatar(
 932                            getWith(), binding.contactPhoto, R.dimen.publish_avatar_size);
 933                } else {
 934                    AvatarWorkerTask.loadAvatar(
 935                            contact, binding.contactPhoto, R.dimen.publish_avatar_size);
 936                }
 937            } else {
 938                binding.contactPhoto.setVisibility(View.GONE);
 939            }
 940            final Account account = contact == null ? getWith().getAccount() : contact.getAccount();
 941            binding.usingAccount.setVisibility(View.VISIBLE);
 942            binding.usingAccount.setText(
 943                    getString(
 944                            R.string.using_account,
 945                            account.getJid().asBareJid().toEscapedString()));
 946        } else {
 947            binding.usingAccount.setVisibility(View.GONE);
 948            binding.contactPhoto.setVisibility(View.GONE);
 949        }
 950    }
 951
 952    private Set<Media> getMedia() {
 953        return requireRtpConnection().getMedia();
 954    }
 955
 956    public ContentAddition getPendingContentAddition() {
 957        return requireRtpConnection().getPendingContentAddition();
 958    }
 959
 960    private void updateButtonConfiguration(final RtpEndUserState state) {
 961        updateButtonConfiguration(state, Collections.emptySet(), null);
 962    }
 963
 964    @SuppressLint("RestrictedApi")
 965    private void updateButtonConfiguration(
 966            final RtpEndUserState state,
 967            final Set<Media> media,
 968            final ContentAddition contentAddition) {
 969        if (state == RtpEndUserState.ENDING_CALL || isPictureInPicture()) {
 970            this.binding.rejectCall.setVisibility(View.INVISIBLE);
 971            this.binding.endCall.setVisibility(View.INVISIBLE);
 972            this.binding.acceptCall.setVisibility(View.INVISIBLE);
 973        } else if (state == RtpEndUserState.INCOMING_CALL) {
 974            this.binding.rejectCall.setContentDescription(getString(R.string.dismiss_call));
 975            this.binding.rejectCall.setOnClickListener(this::rejectCall);
 976            this.binding.rejectCall.setImageResource(R.drawable.ic_call_end_white_48dp);
 977            this.binding.rejectCall.setVisibility(View.VISIBLE);
 978            this.binding.endCall.setVisibility(View.INVISIBLE);
 979            this.binding.acceptCall.setContentDescription(getString(R.string.answer_call));
 980            this.binding.acceptCall.setOnClickListener(this::acceptCall);
 981            this.binding.acceptCall.setImageResource(R.drawable.ic_call_white_48dp);
 982            this.binding.acceptCall.setVisibility(View.VISIBLE);
 983        } else if (state == RtpEndUserState.INCOMING_CONTENT_ADD) {
 984            this.binding.rejectCall.setContentDescription(
 985                    getString(R.string.reject_switch_to_video));
 986            this.binding.rejectCall.setOnClickListener(this::rejectContentAdd);
 987            this.binding.rejectCall.setImageResource(R.drawable.ic_clear_white_48dp);
 988            this.binding.rejectCall.setVisibility(View.VISIBLE);
 989            this.binding.endCall.setVisibility(View.INVISIBLE);
 990            this.binding.acceptCall.setContentDescription(getString(R.string.accept));
 991            this.binding.acceptCall.setOnClickListener((v -> acceptContentAdd(contentAddition)));
 992            this.binding.acceptCall.setImageResource(R.drawable.ic_baseline_check_24);
 993            this.binding.acceptCall.setVisibility(View.VISIBLE);
 994        } else if (asList(RtpEndUserState.DECLINED_OR_BUSY, RtpEndUserState.CONTACT_OFFLINE)
 995                .contains(state)) {
 996            this.binding.rejectCall.setContentDescription(getString(R.string.exit));
 997            this.binding.rejectCall.setOnClickListener(this::exit);
 998            this.binding.rejectCall.setImageResource(R.drawable.ic_clear_white_48dp);
 999            this.binding.rejectCall.setVisibility(View.VISIBLE);
1000            this.binding.endCall.setVisibility(View.INVISIBLE);
1001            this.binding.acceptCall.setContentDescription(getString(R.string.record_voice_mail));
1002            this.binding.acceptCall.setOnClickListener(this::recordVoiceMail);
1003            this.binding.acceptCall.setImageResource(R.drawable.ic_voicemail_white_24dp);
1004            this.binding.acceptCall.setVisibility(View.VISIBLE);
1005        } else if (asList(
1006                        RtpEndUserState.CONNECTIVITY_ERROR,
1007                        RtpEndUserState.CONNECTIVITY_LOST_ERROR,
1008                        RtpEndUserState.APPLICATION_ERROR,
1009                        RtpEndUserState.RETRACTED,
1010                        RtpEndUserState.SECURITY_ERROR)
1011                .contains(state)) {
1012            this.binding.rejectCall.setContentDescription(getString(R.string.exit));
1013            this.binding.rejectCall.setOnClickListener(this::exit);
1014            this.binding.rejectCall.setImageResource(R.drawable.ic_clear_white_48dp);
1015            this.binding.rejectCall.setVisibility(View.VISIBLE);
1016            this.binding.endCall.setVisibility(View.INVISIBLE);
1017            this.binding.acceptCall.setContentDescription(getString(R.string.try_again));
1018            this.binding.acceptCall.setOnClickListener(this::retry);
1019            this.binding.acceptCall.setImageResource(R.drawable.ic_replay_white_48dp);
1020            this.binding.acceptCall.setVisibility(View.VISIBLE);
1021        } else {
1022            this.binding.rejectCall.setVisibility(View.INVISIBLE);
1023            this.binding.endCall.setContentDescription(getString(R.string.hang_up));
1024            this.binding.endCall.setOnClickListener(this::endCall);
1025            this.binding.endCall.setImageResource(R.drawable.ic_call_end_white_48dp);
1026            this.binding.endCall.setVisibility(View.VISIBLE);
1027            this.binding.acceptCall.setVisibility(View.INVISIBLE);
1028        }
1029        updateInCallButtonConfiguration(state, media);
1030    }
1031
1032    private boolean isPictureInPicture() {
1033        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
1034            return isInPictureInPictureMode();
1035        } else {
1036            return false;
1037        }
1038    }
1039
1040    private void updateInCallButtonConfiguration() {
1041        updateInCallButtonConfiguration(
1042                requireRtpConnection().getEndUserState(), requireRtpConnection().getMedia());
1043    }
1044
1045    @SuppressLint("RestrictedApi")
1046    private void updateInCallButtonConfiguration(
1047            final RtpEndUserState state, final Set<Media> media) {
1048        if (STATES_CONSIDERED_CONNECTED.contains(state) && !isPictureInPicture()) {
1049            Preconditions.checkArgument(media.size() > 0, "Media must not be empty");
1050            if (media.contains(Media.VIDEO)) {
1051                final JingleRtpConnection rtpConnection = requireRtpConnection();
1052                updateInCallButtonConfigurationVideo(
1053                        rtpConnection.isVideoEnabled(), rtpConnection.isCameraSwitchable());
1054            } else {
1055                final CallIntegration callIntegration = requireRtpConnection().getCallIntegration();
1056                updateInCallButtonConfigurationSpeaker(
1057                        callIntegration.getSelectedAudioDevice(),
1058                        callIntegration.getAudioDevices().size());
1059                this.binding.inCallActionFarRight.setVisibility(View.GONE);
1060            }
1061            if (media.contains(Media.AUDIO)) {
1062                updateInCallButtonConfigurationMicrophone(
1063                        requireRtpConnection().isMicrophoneEnabled());
1064            } else {
1065                this.binding.inCallActionLeft.setVisibility(View.GONE);
1066            }
1067        } else if (STATES_SHOWING_SPEAKER_CONFIGURATION.contains(state)
1068                && !isPictureInPicture()
1069                && Media.audioOnly(media)) {
1070            final CallIntegration callIntegration = requireCallIntegration();
1071            updateInCallButtonConfigurationSpeaker(
1072                    callIntegration.getSelectedAudioDevice(),
1073                    callIntegration.getAudioDevices().size());
1074            this.binding.inCallActionFarRight.setVisibility(View.GONE);
1075        } else {
1076            this.binding.inCallActionLeft.setVisibility(View.GONE);
1077            this.binding.inCallActionRight.setVisibility(View.GONE);
1078            this.binding.inCallActionFarRight.setVisibility(View.GONE);
1079        }
1080    }
1081
1082    @SuppressLint("RestrictedApi")
1083    private void updateInCallButtonConfigurationSpeaker(
1084            final CallIntegration.AudioDevice selectedAudioDevice, final int numberOfChoices) {
1085        switch (selectedAudioDevice) {
1086            case EARPIECE -> {
1087                this.binding.inCallActionRight.setImageResource(
1088                        R.drawable.ic_volume_off_black_24dp);
1089                if (numberOfChoices >= 2) {
1090                    this.binding.inCallActionRight.setOnClickListener(this::switchToSpeaker);
1091                } else {
1092                    this.binding.inCallActionRight.setOnClickListener(null);
1093                    this.binding.inCallActionRight.setClickable(false);
1094                }
1095            }
1096            case WIRED_HEADSET -> {
1097                this.binding.inCallActionRight.setImageResource(R.drawable.ic_headset_black_24dp);
1098                this.binding.inCallActionRight.setOnClickListener(null);
1099                this.binding.inCallActionRight.setClickable(false);
1100            }
1101            case SPEAKER_PHONE -> {
1102                this.binding.inCallActionRight.setImageResource(R.drawable.ic_volume_up_black_24dp);
1103                if (numberOfChoices >= 2) {
1104                    this.binding.inCallActionRight.setOnClickListener(this::switchToEarpiece);
1105                } else {
1106                    this.binding.inCallActionRight.setOnClickListener(null);
1107                    this.binding.inCallActionRight.setClickable(false);
1108                }
1109            }
1110            case BLUETOOTH -> {
1111                this.binding.inCallActionRight.setImageResource(
1112                        R.drawable.ic_bluetooth_audio_black_24dp);
1113                this.binding.inCallActionRight.setOnClickListener(null);
1114                this.binding.inCallActionRight.setClickable(false);
1115            }
1116        }
1117        this.binding.inCallActionRight.setVisibility(View.VISIBLE);
1118    }
1119
1120    @SuppressLint("RestrictedApi")
1121    private void updateInCallButtonConfigurationVideo(
1122            final boolean videoEnabled, final boolean isCameraSwitchable) {
1123        this.binding.inCallActionRight.setVisibility(View.VISIBLE);
1124        if (isCameraSwitchable) {
1125            this.binding.inCallActionFarRight.setImageResource(
1126                    R.drawable.ic_flip_camera_android_black_24dp);
1127            this.binding.inCallActionFarRight.setVisibility(View.VISIBLE);
1128            this.binding.inCallActionFarRight.setOnClickListener(this::switchCamera);
1129        } else {
1130            this.binding.inCallActionFarRight.setVisibility(View.GONE);
1131        }
1132        if (videoEnabled) {
1133            this.binding.inCallActionRight.setImageResource(R.drawable.ic_videocam_black_24dp);
1134            this.binding.inCallActionRight.setOnClickListener(this::disableVideo);
1135        } else {
1136            this.binding.inCallActionRight.setImageResource(R.drawable.ic_videocam_off_black_24dp);
1137            this.binding.inCallActionRight.setOnClickListener(this::enableVideo);
1138        }
1139    }
1140
1141    private void switchCamera(final View view) {
1142        Futures.addCallback(
1143                requireRtpConnection().switchCamera(),
1144                new FutureCallback<>() {
1145                    @Override
1146                    public void onSuccess(@Nullable Boolean isFrontCamera) {
1147                        binding.localVideo.setMirror(Boolean.TRUE.equals(isFrontCamera));
1148                    }
1149
1150                    @Override
1151                    public void onFailure(@NonNull final Throwable throwable) {
1152                        Log.d(
1153                                Config.LOGTAG,
1154                                "could not switch camera",
1155                                Throwables.getRootCause(throwable));
1156                        Toast.makeText(
1157                                        RtpSessionActivity.this,
1158                                        R.string.could_not_switch_camera,
1159                                        Toast.LENGTH_LONG)
1160                                .show();
1161                    }
1162                },
1163                MainThreadExecutor.getInstance());
1164    }
1165
1166    private void enableVideo(View view) {
1167        try {
1168            requireRtpConnection().setVideoEnabled(true);
1169        } catch (final IllegalStateException e) {
1170            Toast.makeText(this, R.string.unable_to_enable_video, Toast.LENGTH_SHORT).show();
1171            return;
1172        }
1173        updateInCallButtonConfigurationVideo(true, requireRtpConnection().isCameraSwitchable());
1174    }
1175
1176    private void disableVideo(View view) {
1177        final JingleRtpConnection rtpConnection = requireRtpConnection();
1178        final ContentAddition pending = rtpConnection.getPendingContentAddition();
1179        if (pending != null && pending.direction == ContentAddition.Direction.OUTGOING) {
1180            rtpConnection.retractContentAdd();
1181            return;
1182        }
1183        requireRtpConnection().setVideoEnabled(false);
1184        updateInCallButtonConfigurationVideo(false, requireRtpConnection().isCameraSwitchable());
1185    }
1186
1187    @SuppressLint("RestrictedApi")
1188    private void updateInCallButtonConfigurationMicrophone(final boolean microphoneEnabled) {
1189        if (microphoneEnabled) {
1190            this.binding.inCallActionLeft.setImageResource(R.drawable.ic_mic_black_24dp);
1191            this.binding.inCallActionLeft.setOnClickListener(this::disableMicrophone);
1192        } else {
1193            this.binding.inCallActionLeft.setImageResource(R.drawable.ic_mic_off_black_24dp);
1194            this.binding.inCallActionLeft.setOnClickListener(this::enableMicrophone);
1195        }
1196        this.binding.inCallActionLeft.setVisibility(View.VISIBLE);
1197    }
1198
1199    private void updateCallDuration() {
1200        final JingleRtpConnection connection =
1201                this.rtpConnectionReference != null ? this.rtpConnectionReference.get() : null;
1202        if (connection == null || connection.getMedia().contains(Media.VIDEO)) {
1203            this.binding.duration.setVisibility(View.GONE);
1204            return;
1205        }
1206        if (connection.zeroDuration()) {
1207            this.binding.duration.setVisibility(View.GONE);
1208        } else {
1209            this.binding.duration.setText(
1210                    TimeFrameUtils.formatElapsedTime(connection.getCallDuration(), false));
1211            this.binding.duration.setVisibility(View.VISIBLE);
1212        }
1213    }
1214
1215    private void updateVideoViews(final RtpEndUserState state) {
1216        if (END_CARD.contains(state) || state == RtpEndUserState.ENDING_CALL) {
1217            binding.localVideo.setVisibility(View.GONE);
1218            binding.localVideo.release();
1219            binding.remoteVideoWrapper.setVisibility(View.GONE);
1220            binding.remoteVideo.release();
1221            binding.pipLocalMicOffIndicator.setVisibility(View.GONE);
1222            if (isPictureInPicture()) {
1223                binding.appBarLayout.setVisibility(View.GONE);
1224                binding.pipPlaceholder.setVisibility(View.VISIBLE);
1225                if (Arrays.asList(
1226                                RtpEndUserState.APPLICATION_ERROR,
1227                                RtpEndUserState.CONNECTIVITY_ERROR,
1228                                RtpEndUserState.SECURITY_ERROR)
1229                        .contains(state)) {
1230                    binding.pipWarning.setVisibility(View.VISIBLE);
1231                    binding.pipWaiting.setVisibility(View.GONE);
1232                } else {
1233                    binding.pipWarning.setVisibility(View.GONE);
1234                    binding.pipWaiting.setVisibility(View.GONE);
1235                }
1236            } else {
1237                binding.appBarLayout.setVisibility(View.VISIBLE);
1238                binding.pipPlaceholder.setVisibility(View.GONE);
1239            }
1240            getWindow().clearFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);
1241            return;
1242        }
1243        if (isPictureInPicture() && STATES_SHOWING_PIP_PLACEHOLDER.contains(state)) {
1244            binding.localVideo.setVisibility(View.GONE);
1245            binding.remoteVideoWrapper.setVisibility(View.GONE);
1246            binding.appBarLayout.setVisibility(View.GONE);
1247            binding.pipPlaceholder.setVisibility(View.VISIBLE);
1248            binding.pipWarning.setVisibility(View.GONE);
1249            binding.pipWaiting.setVisibility(View.VISIBLE);
1250            binding.pipLocalMicOffIndicator.setVisibility(View.GONE);
1251            return;
1252        }
1253        final Optional<VideoTrack> localVideoTrack = getLocalVideoTrack();
1254        if (localVideoTrack.isPresent() && !isPictureInPicture()) {
1255            ensureSurfaceViewRendererIsSetup(binding.localVideo);
1256            // paint local view over remote view
1257            binding.localVideo.setZOrderMediaOverlay(true);
1258            binding.localVideo.setMirror(requireRtpConnection().isFrontCamera());
1259            addSink(localVideoTrack.get(), binding.localVideo);
1260        } else {
1261            binding.localVideo.setVisibility(View.GONE);
1262        }
1263        final Optional<VideoTrack> remoteVideoTrack = getRemoteVideoTrack();
1264        if (remoteVideoTrack.isPresent()) {
1265            ensureSurfaceViewRendererIsSetup(binding.remoteVideo);
1266            addSink(remoteVideoTrack.get(), binding.remoteVideo);
1267            binding.remoteVideo.setScalingType(
1268                    RendererCommon.ScalingType.SCALE_ASPECT_FILL,
1269                    RendererCommon.ScalingType.SCALE_ASPECT_FIT);
1270            if (state == RtpEndUserState.CONNECTED) {
1271                binding.appBarLayout.setVisibility(View.GONE);
1272                getWindow().addFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);
1273                binding.remoteVideoWrapper.setVisibility(View.VISIBLE);
1274            } else {
1275                binding.appBarLayout.setVisibility(View.VISIBLE);
1276                getWindow().clearFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);
1277                binding.remoteVideoWrapper.setVisibility(View.GONE);
1278            }
1279            if (isPictureInPicture() && !requireRtpConnection().isMicrophoneEnabled()) {
1280                binding.pipLocalMicOffIndicator.setVisibility(View.VISIBLE);
1281            } else {
1282                binding.pipLocalMicOffIndicator.setVisibility(View.GONE);
1283            }
1284        } else {
1285            getWindow().clearFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);
1286            binding.remoteVideoWrapper.setVisibility(View.GONE);
1287            binding.pipLocalMicOffIndicator.setVisibility(View.GONE);
1288        }
1289    }
1290
1291    private Optional<VideoTrack> getLocalVideoTrack() {
1292        final JingleRtpConnection connection =
1293                this.rtpConnectionReference != null ? this.rtpConnectionReference.get() : null;
1294        if (connection == null) {
1295            return Optional.absent();
1296        }
1297        return connection.getLocalVideoTrack();
1298    }
1299
1300    private Optional<VideoTrack> getRemoteVideoTrack() {
1301        final JingleRtpConnection connection =
1302                this.rtpConnectionReference != null ? this.rtpConnectionReference.get() : null;
1303        if (connection == null) {
1304            return Optional.absent();
1305        }
1306        return connection.getRemoteVideoTrack();
1307    }
1308
1309    private void disableMicrophone(View view) {
1310        final JingleRtpConnection rtpConnection = requireRtpConnection();
1311        if (rtpConnection.setMicrophoneEnabled(false)) {
1312            updateInCallButtonConfiguration();
1313        }
1314    }
1315
1316    private void enableMicrophone(View view) {
1317        final JingleRtpConnection rtpConnection = requireRtpConnection();
1318        if (rtpConnection.setMicrophoneEnabled(true)) {
1319            updateInCallButtonConfiguration();
1320        }
1321    }
1322
1323    private void switchToEarpiece(final View view) {
1324        requireCallIntegration().setAudioDevice(CallIntegration.AudioDevice.EARPIECE);
1325        acquireProximityWakeLock();
1326    }
1327
1328    private void switchToSpeaker(final View view) {
1329        requireCallIntegration().setAudioDevice(CallIntegration.AudioDevice.SPEAKER_PHONE);
1330        releaseProximityWakeLock();
1331    }
1332
1333    private void retry(final View view) {
1334        final Intent intent = getIntent();
1335        final Account account = extractAccount(intent);
1336        final Jid with = Jid.ofEscaped(intent.getStringExtra(EXTRA_WITH));
1337        final String lastAction = intent.getStringExtra(EXTRA_LAST_ACTION);
1338        final String action = intent.getAction();
1339        final Set<Media> media = actionToMedia(lastAction == null ? action : lastAction);
1340        this.rtpConnectionReference = null;
1341        Log.d(Config.LOGTAG, "attempting retry with " + with.toEscapedString());
1342        CallIntegrationConnectionService.placeCall(xmppConnectionService, account, with, media);
1343    }
1344
1345    private void exit(final View view) {
1346        finish();
1347    }
1348
1349    private void recordVoiceMail(final View view) {
1350        final Intent intent = getIntent();
1351        final Account account = extractAccount(intent);
1352        final Jid with = Jid.ofEscaped(intent.getStringExtra(EXTRA_WITH));
1353        final Conversation conversation =
1354                xmppConnectionService.findOrCreateConversation(account, with, false, true);
1355        final Intent launchIntent = new Intent(this, ConversationsActivity.class);
1356        launchIntent.setAction(ConversationsActivity.ACTION_VIEW_CONVERSATION);
1357        launchIntent.putExtra(ConversationsActivity.EXTRA_CONVERSATION, conversation.getUuid());
1358        launchIntent.setFlags(intent.getFlags() | Intent.FLAG_ACTIVITY_CLEAR_TOP);
1359        launchIntent.putExtra(
1360                ConversationsActivity.EXTRA_POST_INIT_ACTION,
1361                ConversationsActivity.POST_ACTION_RECORD_VOICE);
1362        startActivity(launchIntent);
1363        finish();
1364    }
1365
1366    private Contact getWith() {
1367        final AbstractJingleConnection.Id id = requireRtpConnection().getId();
1368        final Account account = id.account;
1369        return account.getRoster().getContact(id.with);
1370    }
1371
1372    private JingleRtpConnection requireRtpConnection() {
1373        final JingleRtpConnection connection =
1374                this.rtpConnectionReference != null ? this.rtpConnectionReference.get() : null;
1375        if (connection == null) {
1376            throw new IllegalStateException("No RTP connection found");
1377        }
1378        return connection;
1379    }
1380
1381    private CallIntegration requireCallIntegration() {
1382        return requireOngoingRtpSession().getCallIntegration();
1383    }
1384
1385    private OngoingRtpSession requireOngoingRtpSession() {
1386        final JingleRtpConnection connection =
1387                this.rtpConnectionReference != null ? this.rtpConnectionReference.get() : null;
1388        if (connection != null) {
1389            return connection;
1390        }
1391        final Intent currentIntent = getIntent();
1392        final String withExtra =
1393                currentIntent == null ? null : currentIntent.getStringExtra(EXTRA_WITH);
1394        final var account = extractAccount(currentIntent);
1395        if (withExtra == null) {
1396            throw new IllegalStateException("Current intent has no EXTRA_WITH");
1397        }
1398        final var matching =
1399                xmppConnectionService
1400                        .getJingleConnectionManager()
1401                        .matchingProposal(account, Jid.of(withExtra));
1402        if (matching.isPresent()) {
1403            return matching.get();
1404        }
1405        throw new IllegalStateException("No matching session proposal");
1406    }
1407
1408    @Override
1409    public void onJingleRtpConnectionUpdate(
1410            Account account, Jid with, final String sessionId, RtpEndUserState state) {
1411        Log.d(Config.LOGTAG, "onJingleRtpConnectionUpdate(" + state + ")");
1412        if (END_CARD.contains(state)) {
1413            Log.d(Config.LOGTAG, "end card reached");
1414            releaseProximityWakeLock();
1415            runOnUiThread(
1416                    () -> getWindow().clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON));
1417        }
1418        if (with.isBareJid()) {
1419            updateRtpSessionProposalState(account, with, state);
1420            return;
1421        }
1422        if (emptyReference(this.rtpConnectionReference)) {
1423            if (END_CARD.contains(state)) {
1424                Log.d(Config.LOGTAG, "not reinitializing session");
1425                return;
1426            }
1427            // this happens when going from proposed session to actual session
1428            reInitializeActivityWithRunningRtpSession(account, with, sessionId);
1429            return;
1430        }
1431        final AbstractJingleConnection.Id id = requireRtpConnection().getId();
1432        final boolean verified = requireRtpConnection().isVerified();
1433        final Set<Media> media = getMedia();
1434        lockOrientation(media);
1435        final ContentAddition contentAddition = getPendingContentAddition();
1436        final Contact contact = getWith();
1437        if (account == id.account && id.with.equals(with) && id.sessionId.equals(sessionId)) {
1438            if (state == RtpEndUserState.ENDED) {
1439                finish();
1440                return;
1441            }
1442            runOnUiThread(
1443                    () -> {
1444                        updateStateDisplay(state, media, contentAddition);
1445                        updateVerifiedShield(
1446                                verified && STATES_SHOWING_SWITCH_TO_CHAT.contains(state));
1447                        updateButtonConfiguration(state, media, contentAddition);
1448                        updateVideoViews(state);
1449                        updateIncomingCallScreen(state, contact);
1450                        invalidateOptionsMenu();
1451                    });
1452            if (END_CARD.contains(state)) {
1453                final JingleRtpConnection rtpConnection = requireRtpConnection();
1454                resetIntent(account, with, state, rtpConnection.getMedia());
1455                releaseVideoTracks(rtpConnection);
1456                this.rtpConnectionReference = null;
1457            }
1458        } else {
1459            Log.d(Config.LOGTAG, "received update for other rtp session");
1460        }
1461    }
1462
1463    @Override
1464    public void onAudioDeviceChanged(
1465            final CallIntegration.AudioDevice selectedAudioDevice,
1466            final Set<CallIntegration.AudioDevice> availableAudioDevices) {
1467        Log.d(
1468                Config.LOGTAG,
1469                "onAudioDeviceChanged in activity: selected:"
1470                        + selectedAudioDevice
1471                        + ", available:"
1472                        + availableAudioDevices);
1473        try {
1474            final OngoingRtpSession ongoingRtpSession = requireOngoingRtpSession();
1475            final RtpEndUserState endUserState;
1476            if (ongoingRtpSession instanceof JingleRtpConnection jingleRtpConnection) {
1477                endUserState = jingleRtpConnection.getEndUserState();
1478            } else {
1479                // for session proposals all end user states are functionally the same
1480                endUserState = RtpEndUserState.RINGING;
1481            }
1482            final Set<Media> media = ongoingRtpSession.getMedia();
1483            if (END_CARD.contains(endUserState)) {
1484                Log.d(
1485                        Config.LOGTAG,
1486                        "onAudioDeviceChanged() nothing to do because end card has been reached");
1487            } else {
1488                if (Media.audioOnly(media)
1489                        && STATES_SHOWING_SPEAKER_CONFIGURATION.contains(endUserState)) {
1490                    final CallIntegration callIntegration = requireCallIntegration();
1491                    updateInCallButtonConfigurationSpeaker(
1492                            callIntegration.getSelectedAudioDevice(),
1493                            callIntegration.getAudioDevices().size());
1494                }
1495                Log.d(
1496                        Config.LOGTAG,
1497                        "put proximity wake lock into proper state after device update");
1498                putProximityWakeLockInProperState(selectedAudioDevice);
1499            }
1500        } catch (final IllegalStateException e) {
1501            Log.d(Config.LOGTAG, "RTP connection was not available when audio device changed");
1502        }
1503    }
1504
1505    private void updateRtpSessionProposalState(
1506            final Account account, final Jid with, final RtpEndUserState state) {
1507        final Intent currentIntent = getIntent();
1508        final String withExtra =
1509                currentIntent == null ? null : currentIntent.getStringExtra(EXTRA_WITH);
1510        if (withExtra == null) {
1511            return;
1512        }
1513        final Set<Media> media = actionToMedia(currentIntent.getStringExtra(EXTRA_LAST_ACTION));
1514        if (Jid.ofEscaped(withExtra).asBareJid().equals(with)) {
1515            runOnUiThread(
1516                    () -> {
1517                        updateVerifiedShield(false);
1518                        updateStateDisplay(state);
1519                        updateButtonConfiguration(state, media, null);
1520                        updateIncomingCallScreen(state);
1521                        invalidateOptionsMenu();
1522                    });
1523            resetIntent(account, with, state, media);
1524        }
1525    }
1526
1527    private void resetIntent(final Bundle extras) {
1528        final Intent intent = new Intent(Intent.ACTION_VIEW);
1529        intent.putExtras(extras);
1530        setIntent(intent);
1531    }
1532
1533    private void resetIntent(
1534            final Account account, Jid with, final RtpEndUserState state, final Set<Media> media) {
1535        final Intent intent = new Intent(Intent.ACTION_VIEW);
1536        intent.putExtra(EXTRA_ACCOUNT, account.getJid().toEscapedString());
1537        if (RtpCapability.jmiSupport(account.getRoster().getContact(with))) {
1538            intent.putExtra(EXTRA_WITH, with.asBareJid().toEscapedString());
1539        } else {
1540            intent.putExtra(EXTRA_WITH, with.toEscapedString());
1541        }
1542        intent.putExtra(EXTRA_LAST_REPORTED_STATE, state.toString());
1543        intent.putExtra(
1544                EXTRA_LAST_ACTION,
1545                media.contains(Media.VIDEO) ? ACTION_MAKE_VIDEO_CALL : ACTION_MAKE_VOICE_CALL);
1546        setIntent(intent);
1547    }
1548
1549    private static boolean emptyReference(final WeakReference<?> weakReference) {
1550        return weakReference == null || weakReference.get() == null;
1551    }
1552}