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.PictureInPictureParams;
  10import android.content.ActivityNotFoundException;
  11import android.content.Context;
  12import android.content.Intent;
  13import android.content.pm.ActivityInfo;
  14import android.content.pm.PackageManager;
  15import android.opengl.GLException;
  16import android.os.Build;
  17import android.os.Bundle;
  18import android.os.Handler;
  19import android.os.PowerManager;
  20import android.util.Log;
  21import android.util.Rational;
  22import android.view.KeyEvent;
  23import android.view.Menu;
  24import android.view.MenuItem;
  25import android.view.View;
  26import android.view.WindowManager;
  27import android.widget.Toast;
  28
  29import androidx.annotation.NonNull;
  30import androidx.annotation.Nullable;
  31import androidx.annotation.RequiresApi;
  32import androidx.annotation.StringRes;
  33import androidx.databinding.DataBindingUtil;
  34
  35import com.google.common.base.Optional;
  36import com.google.common.base.Preconditions;
  37import com.google.common.base.Strings;
  38import com.google.common.base.Throwables;
  39import com.google.common.collect.ImmutableList;
  40import com.google.common.collect.ImmutableSet;
  41import com.google.common.util.concurrent.FutureCallback;
  42import com.google.common.util.concurrent.Futures;
  43
  44import org.jetbrains.annotations.NotNull;
  45import org.webrtc.RendererCommon;
  46import org.webrtc.SurfaceViewRenderer;
  47import org.webrtc.VideoTrack;
  48
  49import java.lang.ref.WeakReference;
  50import java.util.Arrays;
  51import java.util.Collections;
  52import java.util.List;
  53import java.util.Set;
  54
  55import eu.siacs.conversations.Config;
  56import eu.siacs.conversations.R;
  57import eu.siacs.conversations.databinding.ActivityRtpSessionBinding;
  58import eu.siacs.conversations.entities.Account;
  59import eu.siacs.conversations.entities.Contact;
  60import eu.siacs.conversations.entities.Conversation;
  61import eu.siacs.conversations.services.CallIntegration;
  62import eu.siacs.conversations.services.CallIntegrationConnectionService;
  63import eu.siacs.conversations.services.XmppConnectionService;
  64import eu.siacs.conversations.ui.widget.DialpadView;
  65import eu.siacs.conversations.ui.util.AvatarWorkerTask;
  66import eu.siacs.conversations.ui.util.MainThreadExecutor;
  67import eu.siacs.conversations.ui.util.Rationals;
  68import eu.siacs.conversations.utils.PermissionUtils;
  69import eu.siacs.conversations.utils.TimeFrameUtils;
  70import eu.siacs.conversations.xmpp.Jid;
  71import eu.siacs.conversations.xmpp.jingle.AbstractJingleConnection;
  72import eu.siacs.conversations.xmpp.jingle.ContentAddition;
  73import eu.siacs.conversations.xmpp.jingle.JingleConnectionManager;
  74import eu.siacs.conversations.xmpp.jingle.JingleRtpConnection;
  75import eu.siacs.conversations.xmpp.jingle.Media;
  76import eu.siacs.conversations.xmpp.jingle.OngoingRtpSession;
  77import eu.siacs.conversations.xmpp.jingle.RtpCapability;
  78import eu.siacs.conversations.xmpp.jingle.RtpEndUserState;
  79
  80import org.webrtc.RendererCommon;
  81import org.webrtc.SurfaceViewRenderer;
  82import org.webrtc.VideoTrack;
  83
  84import java.lang.ref.WeakReference;
  85import java.util.Arrays;
  86import java.util.Collections;
  87import java.util.List;
  88import java.util.Set;
  89
  90public class RtpSessionActivity extends XmppActivity
  91        implements XmppConnectionService.OnJingleRtpConnectionUpdate,
  92                eu.siacs.conversations.ui.widget.SurfaceViewRenderer.OnAspectRatioChanged {
  93
  94    public static final String EXTRA_WITH = "with";
  95    public static final String EXTRA_SESSION_ID = "session_id";
  96    public static final String EXTRA_PROPOSED_SESSION_ID = "proposed_session_id";
  97    public static final String EXTRA_LAST_REPORTED_STATE = "last_reported_state";
  98    public static final String EXTRA_LAST_ACTION = "last_action";
  99    public static final String ACTION_ACCEPT_CALL = "action_accept_call";
 100    public static final String ACTION_MAKE_VOICE_CALL = "action_make_voice_call";
 101    public static final String ACTION_MAKE_VIDEO_CALL = "action_make_video_call";
 102
 103    private static final int CALL_DURATION_UPDATE_INTERVAL = 333;
 104
 105    public static final List<RtpEndUserState> END_CARD =
 106            Arrays.asList(
 107                    RtpEndUserState.APPLICATION_ERROR,
 108                    RtpEndUserState.SECURITY_ERROR,
 109                    RtpEndUserState.DECLINED_OR_BUSY,
 110                    RtpEndUserState.CONTACT_OFFLINE,
 111                    RtpEndUserState.CONNECTIVITY_ERROR,
 112                    RtpEndUserState.CONNECTIVITY_LOST_ERROR,
 113                    RtpEndUserState.RETRACTED);
 114    private static final List<RtpEndUserState> STATES_SHOWING_HELP_BUTTON =
 115            Arrays.asList(
 116                    RtpEndUserState.APPLICATION_ERROR,
 117                    RtpEndUserState.CONNECTIVITY_ERROR,
 118                    RtpEndUserState.SECURITY_ERROR);
 119    private static final List<RtpEndUserState> STATES_SHOWING_SWITCH_TO_CHAT =
 120            Arrays.asList(
 121                    RtpEndUserState.CONNECTING,
 122                    RtpEndUserState.CONNECTED,
 123                    RtpEndUserState.RECONNECTING,
 124                    RtpEndUserState.INCOMING_CONTENT_ADD);
 125    private static final List<RtpEndUserState> STATES_CONSIDERED_CONNECTED =
 126            Arrays.asList(RtpEndUserState.CONNECTED, RtpEndUserState.RECONNECTING);
 127    private static final List<RtpEndUserState> STATES_SHOWING_PIP_PLACEHOLDER =
 128            Arrays.asList(
 129                    RtpEndUserState.ACCEPTING_CALL,
 130                    RtpEndUserState.CONNECTING,
 131                    RtpEndUserState.RECONNECTING);
 132    private static final List<RtpEndUserState> STATES_SHOWING_SPEAKER_CONFIGURATION =
 133            new ImmutableList.Builder<RtpEndUserState>()
 134                    .add(RtpEndUserState.FINDING_DEVICE)
 135                    .add(RtpEndUserState.RINGING)
 136                    .add(RtpEndUserState.ACCEPTING_CALL)
 137                    .add(RtpEndUserState.CONNECTING)
 138                    .addAll(STATES_CONSIDERED_CONNECTED)
 139                    .build();
 140    private static final String PROXIMITY_WAKE_LOCK_TAG = "conversations:in-rtp-session";
 141    private static final int REQUEST_ACCEPT_CALL = 0x1111;
 142    private static final int REQUEST_ACCEPT_CONTENT = 0x1112;
 143    private static final int REQUEST_ADD_CONTENT = 0x1113;
 144    private WeakReference<JingleRtpConnection> rtpConnectionReference;
 145
 146    private ActivityRtpSessionBinding binding;
 147    private PowerManager.WakeLock mProximityWakeLock;
 148
 149    private final Handler mHandler = new Handler();
 150    private final Runnable mTickExecutor =
 151            new Runnable() {
 152                @Override
 153                public void run() {
 154                    updateCallDuration();
 155                    mHandler.postDelayed(mTickExecutor, CALL_DURATION_UPDATE_INTERVAL);
 156                }
 157            };
 158
 159    public static Set<Media> actionToMedia(final String action) {
 160        if (ACTION_MAKE_VIDEO_CALL.equals(action)) {
 161            return ImmutableSet.of(Media.AUDIO, Media.VIDEO);
 162        } else if (ACTION_MAKE_VOICE_CALL.equals(action)) {
 163            return ImmutableSet.of(Media.AUDIO);
 164        } else {
 165            Log.w(
 166                    Config.LOGTAG,
 167                    "actionToMedia can not get media set from unknown action " + action);
 168            return Collections.emptySet();
 169        }
 170    }
 171
 172    private static void addSink(
 173            final VideoTrack videoTrack, final SurfaceViewRenderer surfaceViewRenderer) {
 174        try {
 175            videoTrack.addSink(surfaceViewRenderer);
 176        } catch (final IllegalStateException e) {
 177            Log.e(
 178                    Config.LOGTAG,
 179                    "possible race condition on trying to display video track. ignoring",
 180                    e);
 181        }
 182    }
 183
 184    @Override
 185    public void onCreate(Bundle savedInstanceState) {
 186        super.onCreate(savedInstanceState);
 187        getWindow()
 188                .addFlags(
 189                        WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON
 190                                | WindowManager.LayoutParams.FLAG_DISMISS_KEYGUARD
 191                                | WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED
 192                                | WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON);
 193        this.binding = DataBindingUtil.setContentView(this, R.layout.activity_rtp_session);
 194        setSupportActionBar(binding.toolbar);
 195
 196        binding.dialpad.setClickConsumer(tag -> {
 197            final JingleRtpConnection connection =
 198                this.rtpConnectionReference != null ? this.rtpConnectionReference.get() : null;
 199            if (connection != null) connection.applyDtmfTone(tag);
 200        });
 201
 202        if (savedInstanceState != null) {
 203            boolean dialpadVisible = savedInstanceState.getBoolean("dialpad_visible");
 204            binding.dialpad.setVisibility(dialpadVisible ? View.VISIBLE : View.GONE);
 205        }
 206
 207        Activities.setStatusAndNavigationBarColors(this, binding.getRoot());
 208    }
 209
 210    @Override
 211    public boolean onCreateOptionsMenu(final Menu menu) {
 212        getMenuInflater().inflate(R.menu.activity_rtp_session, menu);
 213        final MenuItem help = menu.findItem(R.id.action_help);
 214        final MenuItem gotoChat = menu.findItem(R.id.action_goto_chat);
 215        final MenuItem dialpad = menu.findItem(R.id.action_dialpad);
 216        final MenuItem switchToVideo = menu.findItem(R.id.action_switch_to_video);
 217        help.setVisible(Config.HELP != null && isHelpButtonVisible());
 218        gotoChat.setVisible(isSwitchToConversationVisible());
 219        switchToVideo.setVisible(isSwitchToVideoVisible());
 220        dialpad.setVisible(isAudioOnlyConversation());
 221        return super.onCreateOptionsMenu(menu);
 222    }
 223
 224    @Override
 225    public boolean onKeyDown(final int keyCode, final KeyEvent event) {
 226        if (keyCode == KeyEvent.KEYCODE_VOLUME_DOWN) {
 227            if (xmppConnectionService != null) {
 228                if (xmppConnectionService.getNotificationService().stopSoundAndVibration()) {
 229                    return true;
 230                }
 231            }
 232        }
 233        return super.onKeyDown(keyCode, event);
 234    }
 235
 236    private boolean isHelpButtonVisible() {
 237        try {
 238            return STATES_SHOWING_HELP_BUTTON.contains(requireRtpConnection().getEndUserState());
 239        } catch (IllegalStateException e) {
 240            final Intent intent = getIntent();
 241            final String state =
 242                    intent != null ? intent.getStringExtra(EXTRA_LAST_REPORTED_STATE) : null;
 243            if (state != null) {
 244                return STATES_SHOWING_HELP_BUTTON.contains(RtpEndUserState.valueOf(state));
 245            } else {
 246                return false;
 247            }
 248        }
 249    }
 250
 251    private boolean isSwitchToConversationVisible() {
 252        final JingleRtpConnection connection =
 253                this.rtpConnectionReference != null ? this.rtpConnectionReference.get() : null;
 254        return connection != null
 255                && STATES_SHOWING_SWITCH_TO_CHAT.contains(connection.getEndUserState());
 256    }
 257
 258    private boolean isAudioOnlyConversation() {
 259        final JingleRtpConnection connection =
 260                this.rtpConnectionReference != null ? this.rtpConnectionReference.get() : null;
 261
 262        return connection != null && !connection.getMedia().contains(Media.VIDEO);
 263    }
 264
 265    private boolean isSwitchToVideoVisible() {
 266        final JingleRtpConnection connection =
 267                this.rtpConnectionReference != null ? this.rtpConnectionReference.get() : null;
 268        if (connection == null) {
 269            return false;
 270        }
 271        return connection.isSwitchToVideoAvailable();
 272    }
 273
 274    private void switchToConversation() {
 275        final Contact contact = getWith();
 276        final Conversation conversation =
 277                xmppConnectionService.findOrCreateConversation(
 278                        contact.getAccount(), contact.getJid(), false, true);
 279        switchToConversation(conversation);
 280    }
 281
 282    private void toggleDialpadVisibility() {
 283        if (binding.dialpad.getVisibility() == View.VISIBLE) {
 284            binding.dialpad.setVisibility(View.GONE);
 285        }
 286        else {
 287            binding.dialpad.setVisibility(View.VISIBLE);
 288        }
 289    }
 290
 291    public boolean onOptionsItemSelected(final MenuItem item) {
 292        final var itemItem = item.getItemId();
 293        if (itemItem == R.id.action_help) {
 294            launchHelpInBrowser();
 295            return true;
 296        } else if (itemItem == R.id.action_goto_chat) {
 297            switchToConversation();
 298            return true;
 299        } else if (itemItem == R.id.action_dialpad) {
 300            toggleDialpadVisibility();
 301            return true;
 302        } else if (itemItem == R.id.action_switch_to_video) {
 303            requestPermissionAndSwitchToVideo();
 304            return true;
 305        } else {
 306            return super.onOptionsItemSelected(item);
 307        }
 308    }
 309
 310    private void launchHelpInBrowser() {
 311        final Intent intent = new Intent(Intent.ACTION_VIEW, Config.HELP);
 312        try {
 313            startActivity(intent);
 314        } catch (final ActivityNotFoundException e) {
 315            Toast.makeText(this, R.string.no_application_found_to_open_link, Toast.LENGTH_LONG)
 316                    .show();
 317        }
 318    }
 319
 320    private void endCall(View view) {
 321        endCall();
 322    }
 323
 324    private void endCall() {
 325        if (this.rtpConnectionReference == null) {
 326            retractSessionProposal();
 327            finish();
 328        } else {
 329            try {
 330                requireRtpConnection().endCall();
 331            } catch (final IllegalStateException e) {
 332                // No call, already done
 333                finish();
 334            }
 335        }
 336    }
 337
 338    private void retractSessionProposal() {
 339        final Intent intent = getIntent();
 340        final String action = intent.getAction();
 341        final String lastAction = intent.getStringExtra(EXTRA_LAST_ACTION);
 342        final Account account = extractAccount(intent);
 343        final Jid with = Jid.ofEscaped(intent.getStringExtra(EXTRA_WITH));
 344        final String state = intent.getStringExtra(EXTRA_LAST_REPORTED_STATE);
 345        if (!Intent.ACTION_VIEW.equals(action)
 346                || state == null
 347                || !END_CARD.contains(RtpEndUserState.valueOf(state))) {
 348            final Set<Media> media = actionToMedia(lastAction == null ? action : lastAction);
 349            resetIntent(account, with, RtpEndUserState.RETRACTED, media);
 350        }
 351        xmppConnectionService
 352                .getJingleConnectionManager()
 353                .retractSessionProposal(account, with.asBareJid());
 354    }
 355
 356    private void rejectCall(View view) {
 357        requireRtpConnection().rejectCall();
 358        finish();
 359    }
 360
 361    private void acceptCall(View view) {
 362        requestPermissionsAndAcceptCall();
 363    }
 364
 365    private void acceptContentAdd() {
 366        try {
 367            final ContentAddition pendingContentAddition =
 368                    requireRtpConnection().getPendingContentAddition();
 369            if (pendingContentAddition == null) {
 370                Log.d(Config.LOGTAG, "content offer was gone after granting permission");
 371                return;
 372            }
 373            requireRtpConnection().acceptContentAdd(pendingContentAddition.summary);
 374        } catch (final IllegalStateException e) {
 375            Toast.makeText(this, Strings.nullToEmpty(e.getMessage()), Toast.LENGTH_SHORT).show();
 376        }
 377    }
 378
 379    private void requestPermissionAndSwitchToVideo() {
 380        final List<String> permissions = permissions(ImmutableSet.of(Media.VIDEO, Media.AUDIO));
 381        if (PermissionUtils.hasPermission(this, permissions, REQUEST_ADD_CONTENT)) {
 382            switchToVideo();
 383        }
 384    }
 385
 386    private void switchToVideo() {
 387        try {
 388            requireRtpConnection().addMedia(Media.VIDEO);
 389        } catch (final IllegalStateException e) {
 390            Toast.makeText(this, e.getMessage(), Toast.LENGTH_SHORT).show();
 391        }
 392    }
 393
 394    private void acceptContentAdd(final ContentAddition contentAddition) {
 395        if (contentAddition == null
 396                || contentAddition.direction != ContentAddition.Direction.INCOMING) {
 397            Log.d(Config.LOGTAG, "ignore press on content-accept button");
 398            return;
 399        }
 400        requestPermissionAndAcceptContentAdd(contentAddition);
 401    }
 402
 403    private void requestPermissionAndAcceptContentAdd(final ContentAddition contentAddition) {
 404        final List<String> permissions = permissions(contentAddition.media());
 405        if (PermissionUtils.hasPermission(this, permissions, REQUEST_ACCEPT_CONTENT)) {
 406            try {
 407                requireRtpConnection().acceptContentAdd(contentAddition.summary);
 408            } catch (final IllegalStateException e) {
 409                Toast.makeText(this, e.getMessage(), Toast.LENGTH_SHORT).show();
 410            }
 411        }
 412    }
 413
 414    private void rejectContentAdd(final View view) {
 415        requireRtpConnection().rejectContentAdd();
 416    }
 417
 418    private void requestPermissionsAndAcceptCall() {
 419        final List<String> permissions = permissions(getMedia());
 420        if (PermissionUtils.hasPermission(this, permissions, REQUEST_ACCEPT_CALL)) {
 421            putScreenInCallMode();
 422            acceptCall();
 423        }
 424    }
 425
 426    private List<String> permissions(final Set<Media> media) {
 427        final ImmutableList.Builder<String> permissions = ImmutableList.builder();
 428        if (media.contains(Media.VIDEO)) {
 429            permissions.add(Manifest.permission.CAMERA).add(Manifest.permission.RECORD_AUDIO);
 430        } else {
 431            permissions.add(Manifest.permission.RECORD_AUDIO);
 432        }
 433        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
 434            permissions.add(Manifest.permission.BLUETOOTH_CONNECT);
 435        }
 436        return permissions.build();
 437    }
 438
 439    private void acceptCall() {
 440        try {
 441            requireRtpConnection().acceptCall();
 442        } catch (final IllegalStateException e) {
 443            Toast.makeText(this, e.getMessage(), Toast.LENGTH_SHORT).show();
 444        }
 445    }
 446
 447    private void putScreenInCallMode() {
 448        putScreenInCallMode(requireRtpConnection().getMedia());
 449    }
 450
 451    private void putScreenInCallMode(final Set<Media> media) {
 452        getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
 453        if (Media.audioOnly(media)) {
 454            final JingleRtpConnection rtpConnection =
 455                    rtpConnectionReference != null ? rtpConnectionReference.get() : null;
 456            final CallIntegration callIntegration =
 457                    rtpConnection == null ? null : rtpConnection.getCallIntegration();
 458            if (callIntegration == null
 459                    || callIntegration.getSelectedAudioDevice()
 460                            == CallIntegration.AudioDevice.EARPIECE) {
 461                acquireProximityWakeLock();
 462            }
 463        }
 464        lockOrientation(media);
 465    }
 466
 467    private void lockOrientation(final Set<Media> media) {
 468        if (Media.audioOnly(media)) {
 469            setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
 470        } else {
 471            setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED);
 472        }
 473    }
 474
 475    @SuppressLint("WakelockTimeout")
 476    private void acquireProximityWakeLock() {
 477        final PowerManager powerManager = (PowerManager) getSystemService(Context.POWER_SERVICE);
 478        if (powerManager == null) {
 479            Log.e(Config.LOGTAG, "power manager not available");
 480            return;
 481        }
 482        if (isFinishing()) {
 483            Log.e(Config.LOGTAG, "do not acquire wakelock. activity is finishing");
 484            return;
 485        }
 486        if (this.mProximityWakeLock == null) {
 487            this.mProximityWakeLock =
 488                    powerManager.newWakeLock(
 489                            PowerManager.PROXIMITY_SCREEN_OFF_WAKE_LOCK, PROXIMITY_WAKE_LOCK_TAG);
 490        }
 491        if (!this.mProximityWakeLock.isHeld()) {
 492            Log.d(Config.LOGTAG, "acquiring proximity wake lock");
 493            this.mProximityWakeLock.acquire();
 494        }
 495    }
 496
 497    private void releaseProximityWakeLock() {
 498        if (this.mProximityWakeLock != null && mProximityWakeLock.isHeld()) {
 499            Log.d(Config.LOGTAG, "releasing proximity wake lock");
 500            this.mProximityWakeLock.release(PowerManager.RELEASE_FLAG_WAIT_FOR_NO_PROXIMITY);
 501            this.mProximityWakeLock = null;
 502        }
 503    }
 504
 505    private void putProximityWakeLockInProperState(final CallIntegration.AudioDevice audioDevice) {
 506        if (audioDevice == CallIntegration.AudioDevice.EARPIECE) {
 507            acquireProximityWakeLock();
 508        } else {
 509            releaseProximityWakeLock();
 510        }
 511    }
 512
 513    @Override
 514    protected void refreshUiReal() {}
 515
 516    @Override
 517    public void onNewIntent(final Intent intent) {
 518        Log.d(Config.LOGTAG, this.getClass().getName() + ".onNewIntent()");
 519        super.onNewIntent(intent);
 520        if (intent == null) {
 521            return;
 522        }
 523        setIntent(intent);
 524        if (xmppConnectionService == null) {
 525            Log.d(
 526                    Config.LOGTAG,
 527                    "RtpSessionActivity: background service wasn't bound in onNewIntent()");
 528            return;
 529        }
 530        initializeWithIntent(Event.ON_NEW_INTENT, intent);
 531    }
 532
 533    @Override
 534    protected void onBackendConnected() {
 535        final var intent = getIntent();
 536        if (intent == null) {
 537            return;
 538        }
 539        initializeWithIntent(Event.ON_BACKEND_CONNECTED, intent);
 540    }
 541
 542    private void initializeWithIntent(final Event event, @NonNull final Intent intent) {
 543        final String action = intent.getAction();
 544        Log.d(Config.LOGTAG, "initializeWithIntent(" + event + "," + action + ")");
 545        final Account account = extractAccount(intent);
 546        final var extraWith = intent.getStringExtra(EXTRA_WITH);
 547        final Jid with = Strings.isNullOrEmpty(extraWith) ? null : Jid.ofEscaped(extraWith);
 548        if (with == null || account == null) {
 549            Log.e(Config.LOGTAG, "intent is missing extras (account or with)");
 550            return;
 551        }
 552        final String sessionId = intent.getStringExtra(EXTRA_SESSION_ID);
 553        if (sessionId != null) {
 554            if (initializeActivityWithRunningRtpSession(account, with, sessionId)) {
 555                return;
 556            }
 557            if (ACTION_ACCEPT_CALL.equals(intent.getAction())) {
 558                Log.d(Config.LOGTAG, "intent action was accept");
 559                requestPermissionsAndAcceptCall();
 560                resetIntent(intent.getExtras());
 561            }
 562        } else if (Intent.ACTION_VIEW.equals(action)) {
 563            final String proposedSessionId = intent.getStringExtra(EXTRA_PROPOSED_SESSION_ID);
 564            final JingleConnectionManager.TerminatedRtpSession terminatedRtpSession =
 565                    xmppConnectionService
 566                            .getJingleConnectionManager()
 567                            .getTerminalSessionState(with, proposedSessionId);
 568            if (terminatedRtpSession != null) {
 569                // termination (due to message error or 'busy' was faster than opening the activity
 570                initializeWithTerminatedSessionState(account, with, terminatedRtpSession);
 571                return;
 572            }
 573            final String extraLastState = intent.getStringExtra(EXTRA_LAST_REPORTED_STATE);
 574            final RtpEndUserState state =
 575                    extraLastState == null ? null : RtpEndUserState.valueOf(extraLastState);
 576            if (state != null) {
 577                Log.d(Config.LOGTAG, "restored last state from intent extra");
 578                updateButtonConfiguration(state);
 579                updateVerifiedShield(false);
 580                updateStateDisplay(state);
 581                updateIncomingCallScreen(state);
 582                invalidateOptionsMenu();
 583            }
 584            setWith(account.getRoster().getContact(with), state);
 585            if (xmppConnectionService
 586                    .getJingleConnectionManager()
 587                    .fireJingleRtpConnectionStateUpdates()) {
 588                return;
 589            }
 590            if (END_CARD.contains(state)) {
 591                return;
 592            }
 593            final String lastAction = intent.getStringExtra(EXTRA_LAST_ACTION);
 594            final Set<Media> media = actionToMedia(lastAction);
 595            if (xmppConnectionService
 596                    .getJingleConnectionManager()
 597                    .hasMatchingProposal(account, with)) {
 598                putScreenInCallMode(media);
 599                return;
 600            }
 601            Log.d(Config.LOGTAG, "restored state (" + state + ") was not an end card. finishing");
 602            finish();
 603        }
 604    }
 605
 606    private void setWith(final RtpEndUserState state) {
 607        setWith(getWith(), state);
 608    }
 609
 610    private void setWith(final Contact contact, final RtpEndUserState state) {
 611        binding.with.setText(contact.getDisplayName());
 612        if (Arrays.asList(RtpEndUserState.INCOMING_CALL, RtpEndUserState.ACCEPTING_CALL)
 613                .contains(state)) {
 614            binding.withJid.setText(contact.getJid().asBareJid().toEscapedString());
 615            binding.withJid.setVisibility(View.VISIBLE);
 616        } else {
 617            binding.withJid.setVisibility(View.GONE);
 618        }
 619    }
 620
 621    @Override
 622    public void onRequestPermissionsResult(
 623            int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
 624        super.onRequestPermissionsResult(requestCode, permissions, grantResults);
 625        final PermissionUtils.PermissionResult permissionResult =
 626                PermissionUtils.removeBluetoothConnect(permissions, grantResults);
 627        if (PermissionUtils.allGranted(permissionResult.grantResults)) {
 628            if (requestCode == REQUEST_ACCEPT_CALL) {
 629                acceptCall();
 630            } else if (requestCode == REQUEST_ACCEPT_CONTENT) {
 631                acceptContentAdd();
 632            } else if (requestCode == REQUEST_ADD_CONTENT) {
 633                switchToVideo();
 634            }
 635        } else {
 636            @StringRes int res;
 637            final String firstDenied =
 638                    getFirstDenied(permissionResult.grantResults, permissionResult.permissions);
 639            if (firstDenied == null) {
 640                return;
 641            }
 642            if (Manifest.permission.RECORD_AUDIO.equals(firstDenied)) {
 643                res = R.string.no_microphone_permission;
 644            } else if (Manifest.permission.CAMERA.equals(firstDenied)) {
 645                res = R.string.no_camera_permission;
 646            } else {
 647                throw new IllegalStateException("Invalid permission result request");
 648            }
 649            Toast.makeText(this, getString(res, getString(R.string.app_name)), Toast.LENGTH_SHORT)
 650                    .show();
 651        }
 652    }
 653
 654    @Override
 655    public void onStart() {
 656        super.onStart();
 657        mHandler.postDelayed(mTickExecutor, CALL_DURATION_UPDATE_INTERVAL);
 658        this.binding.remoteVideo.setOnAspectRatioChanged(this);
 659    }
 660
 661    @Override
 662    public void onStop() {
 663        mHandler.removeCallbacks(mTickExecutor);
 664        binding.remoteVideo.release();
 665        binding.remoteVideo.setOnAspectRatioChanged(null);
 666        binding.localVideo.release();
 667        final WeakReference<JingleRtpConnection> weakReference = this.rtpConnectionReference;
 668        final JingleRtpConnection jingleRtpConnection =
 669                weakReference == null ? null : weakReference.get();
 670        if (jingleRtpConnection != null) {
 671            releaseVideoTracks(jingleRtpConnection);
 672        }
 673        releaseProximityWakeLock();
 674        super.onStop();
 675    }
 676
 677    private void releaseVideoTracks(final JingleRtpConnection jingleRtpConnection) {
 678        final Optional<VideoTrack> remoteVideo = jingleRtpConnection.getRemoteVideoTrack();
 679        if (remoteVideo.isPresent()) {
 680            remoteVideo.get().removeSink(binding.remoteVideo);
 681        }
 682        final Optional<VideoTrack> localVideo = jingleRtpConnection.getLocalVideoTrack();
 683        if (localVideo.isPresent()) {
 684            localVideo.get().removeSink(binding.localVideo);
 685        }
 686    }
 687
 688    @Override
 689    public void onBackPressed() {
 690        if (isConnected()) {
 691            if (switchToPictureInPicture()) {
 692                return;
 693            }
 694        } else {
 695            endCall();
 696        }
 697        super.onBackPressed();
 698    }
 699
 700    @Override
 701    public void onUserLeaveHint() {
 702        super.onUserLeaveHint();
 703        if (switchToPictureInPicture()) {
 704            return;
 705        }
 706        // TODO apparently this method is not getting called on Android 10 when using the task
 707        // switcher
 708        if (emptyReference(rtpConnectionReference) && xmppConnectionService != null) {
 709            retractSessionProposal();
 710        }
 711    }
 712
 713    private boolean isConnected() {
 714        final JingleRtpConnection connection =
 715                this.rtpConnectionReference != null ? this.rtpConnectionReference.get() : null;
 716        final RtpEndUserState endUserState =
 717                connection == null ? null : connection.getEndUserState();
 718        return STATES_CONSIDERED_CONNECTED.contains(endUserState)
 719                || endUserState == RtpEndUserState.INCOMING_CONTENT_ADD;
 720    }
 721
 722    private boolean switchToPictureInPicture() {
 723        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O && deviceSupportsPictureInPicture()) {
 724            if (shouldBePictureInPicture()) {
 725                startPictureInPicture();
 726                return true;
 727            }
 728        }
 729        return false;
 730    }
 731
 732    @RequiresApi(api = Build.VERSION_CODES.O)
 733    private void startPictureInPicture() {
 734        try {
 735            final Rational rational = this.binding.remoteVideo.getAspectRatio();
 736            final Rational clippedRational = Rationals.clip(rational);
 737            Log.d(
 738                    Config.LOGTAG,
 739                    "suggested rational " + rational + ". clipped to " + clippedRational);
 740            enterPictureInPictureMode(
 741                    new PictureInPictureParams.Builder().setAspectRatio(clippedRational).build());
 742        } catch (final IllegalStateException e) {
 743            // this sometimes happens on Samsung phones (possibly when Knox is enabled)
 744            Log.w(Config.LOGTAG, "unable to enter picture in picture mode", e);
 745        }
 746    }
 747
 748    @Override
 749    public void onAspectRatioChanged(final Rational rational) {
 750        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O && isPictureInPicture()) {
 751            final Rational clippedRational = Rationals.clip(rational);
 752            Log.d(
 753                    Config.LOGTAG,
 754                    "suggested rational after aspect ratio change "
 755                            + rational
 756                            + ". clipped to "
 757                            + clippedRational);
 758            setPictureInPictureParams(
 759                    new PictureInPictureParams.Builder().setAspectRatio(clippedRational).build());
 760        }
 761    }
 762
 763    private boolean deviceSupportsPictureInPicture() {
 764        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
 765            return getPackageManager().hasSystemFeature(PackageManager.FEATURE_PICTURE_IN_PICTURE);
 766        } else {
 767            return false;
 768        }
 769    }
 770
 771    private boolean shouldBePictureInPicture() {
 772        try {
 773            final JingleRtpConnection rtpConnection = requireRtpConnection();
 774            return rtpConnection.getMedia().contains(Media.VIDEO)
 775                    && Arrays.asList(
 776                                    RtpEndUserState.ACCEPTING_CALL,
 777                                    RtpEndUserState.CONNECTING,
 778                                    RtpEndUserState.CONNECTED)
 779                            .contains(rtpConnection.getEndUserState());
 780        } catch (final IllegalStateException e) {
 781            return false;
 782        }
 783    }
 784
 785    private boolean initializeActivityWithRunningRtpSession(
 786            final Account account, Jid with, String sessionId) {
 787        final WeakReference<JingleRtpConnection> reference =
 788                xmppConnectionService
 789                        .getJingleConnectionManager()
 790                        .findJingleRtpConnection(account, with, sessionId);
 791        if (reference == null || reference.get() == null) {
 792            final JingleConnectionManager.TerminatedRtpSession terminatedRtpSession =
 793                    xmppConnectionService
 794                            .getJingleConnectionManager()
 795                            .getTerminalSessionState(with, sessionId);
 796            if (terminatedRtpSession == null) {
 797                Log.e(Config.LOGTAG, "failed to initialize activity with running rtp session. session not found");
 798                finish();
 799                return true;
 800            }
 801            initializeWithTerminatedSessionState(account, with, terminatedRtpSession);
 802            return true;
 803        }
 804        this.rtpConnectionReference = reference;
 805        final RtpEndUserState currentState = requireRtpConnection().getEndUserState();
 806        final boolean verified = requireRtpConnection().isVerified();
 807        if (currentState == RtpEndUserState.ENDED) {
 808            finish();
 809            return true;
 810        }
 811        final Set<Media> media = getMedia();
 812        final ContentAddition contentAddition = getPendingContentAddition();
 813        if (currentState == RtpEndUserState.INCOMING_CALL) {
 814            getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
 815        }
 816        if (JingleRtpConnection.STATES_SHOWING_ONGOING_CALL.contains(
 817                requireRtpConnection().getState())) {
 818            putScreenInCallMode();
 819        }
 820        setWith(currentState);
 821        updateVideoViews(currentState);
 822        updateStateDisplay(currentState, media, contentAddition);
 823        updateVerifiedShield(verified && STATES_SHOWING_SWITCH_TO_CHAT.contains(currentState));
 824        updateButtonConfiguration(currentState, media, contentAddition);
 825        updateIncomingCallScreen(currentState);
 826        invalidateOptionsMenu();
 827        return false;
 828    }
 829
 830    private void initializeWithTerminatedSessionState(
 831            final Account account,
 832            final Jid with,
 833            final JingleConnectionManager.TerminatedRtpSession terminatedRtpSession) {
 834        Log.d(Config.LOGTAG, "initializeWithTerminatedSessionState()");
 835        if (terminatedRtpSession.state == RtpEndUserState.ENDED) {
 836            finish();
 837            return;
 838        }
 839        final RtpEndUserState state = terminatedRtpSession.state;
 840        resetIntent(account, with, terminatedRtpSession.state, terminatedRtpSession.media);
 841        updateButtonConfiguration(state);
 842        updateStateDisplay(state);
 843        updateIncomingCallScreen(state);
 844        updateCallDuration();
 845        updateVerifiedShield(false);
 846        invalidateOptionsMenu();
 847        setWith(account.getRoster().getContact(with), state);
 848    }
 849
 850    private void reInitializeActivityWithRunningRtpSession(
 851            final Account account, Jid with, String sessionId) {
 852        runOnUiThread(() -> initializeActivityWithRunningRtpSession(account, with, sessionId));
 853        resetIntent(account, with, sessionId);
 854    }
 855
 856    private void resetIntent(final Account account, final Jid with, final String sessionId) {
 857        final Intent intent = new Intent(Intent.ACTION_VIEW);
 858        intent.putExtra(EXTRA_ACCOUNT, account.getJid().toEscapedString());
 859        intent.putExtra(EXTRA_WITH, with.toEscapedString());
 860        intent.putExtra(EXTRA_SESSION_ID, sessionId);
 861        setIntent(intent);
 862    }
 863
 864    private void ensureSurfaceViewRendererIsSetup(final SurfaceViewRenderer surfaceViewRenderer) {
 865        surfaceViewRenderer.setVisibility(View.VISIBLE);
 866        try {
 867            surfaceViewRenderer.init(requireRtpConnection().getEglBaseContext(), null);
 868        } catch (final IllegalStateException ignored) {
 869            // SurfaceViewRenderer was already initialized
 870        } catch (final RuntimeException e) {
 871            if (Throwables.getRootCause(e) instanceof GLException glException) {
 872                Log.w(Config.LOGTAG, "could not set up hardware renderer", glException);
 873            }
 874        }
 875        surfaceViewRenderer.setEnableHardwareScaler(true);
 876    }
 877
 878    private void updateStateDisplay(final RtpEndUserState state) {
 879        updateStateDisplay(state, Collections.emptySet(), null);
 880    }
 881
 882    private void updateStateDisplay(
 883            final RtpEndUserState state,
 884            final Set<Media> media,
 885            final ContentAddition contentAddition) {
 886        switch (state) {
 887            case INCOMING_CALL -> {
 888                Preconditions.checkArgument(media.size() > 0, "Media must not be empty");
 889                if (media.contains(Media.VIDEO)) {
 890                    setTitle(R.string.rtp_state_incoming_video_call);
 891                } else {
 892                    setTitle(R.string.rtp_state_incoming_call);
 893                }
 894            }
 895            case INCOMING_CONTENT_ADD -> {
 896                if (contentAddition != null && contentAddition.media().contains(Media.VIDEO)) {
 897                    setTitle(R.string.rtp_state_content_add_video);
 898                } else {
 899                    setTitle(R.string.rtp_state_content_add);
 900                }
 901            }
 902            case CONNECTING -> setTitle(R.string.rtp_state_connecting);
 903            case CONNECTED -> setTitle(R.string.rtp_state_connected);
 904            case RECONNECTING -> setTitle(R.string.rtp_state_reconnecting);
 905            case ACCEPTING_CALL -> setTitle(R.string.rtp_state_accepting_call);
 906            case ENDING_CALL -> setTitle(R.string.rtp_state_ending_call);
 907            case FINDING_DEVICE -> setTitle(R.string.rtp_state_finding_device);
 908            case RINGING -> setTitle(R.string.rtp_state_ringing);
 909            case DECLINED_OR_BUSY -> setTitle(R.string.rtp_state_declined_or_busy);
 910            case CONTACT_OFFLINE -> setTitle(R.string.rtp_state_contact_offline);
 911            case CONNECTIVITY_ERROR -> setTitle(R.string.rtp_state_connectivity_error);
 912            case CONNECTIVITY_LOST_ERROR -> setTitle(R.string.rtp_state_connectivity_lost_error);
 913            case RETRACTED -> setTitle(R.string.rtp_state_retracted);
 914            case APPLICATION_ERROR -> setTitle(R.string.rtp_state_application_failure);
 915            case SECURITY_ERROR -> setTitle(R.string.rtp_state_security_error);
 916            case ENDED -> throw new IllegalStateException(
 917                    "Activity should have called finishAndReleaseWakeLock();");
 918            default -> throw new IllegalStateException(
 919                    String.format("State %s has not been handled in UI", state));
 920        }
 921    }
 922
 923    private void updateVerifiedShield(final boolean verified) {
 924        if (isPictureInPicture()) {
 925            this.binding.verified.setVisibility(View.GONE);
 926            return;
 927        }
 928        this.binding.verified.setVisibility(verified ? View.VISIBLE : View.GONE);
 929    }
 930
 931    private void updateIncomingCallScreen(final RtpEndUserState state) {
 932        updateIncomingCallScreen(state, null);
 933    }
 934
 935    private void updateIncomingCallScreen(final RtpEndUserState state, final Contact contact) {
 936        if (state == RtpEndUserState.INCOMING_CALL || state == RtpEndUserState.ACCEPTING_CALL) {
 937            final boolean show = getResources().getBoolean(R.bool.show_avatar_incoming_call);
 938            if (show) {
 939                binding.contactPhoto.setVisibility(View.VISIBLE);
 940                if (contact == null) {
 941                    AvatarWorkerTask.loadAvatar(
 942                            getWith(), binding.contactPhoto, R.dimen.publish_avatar_size);
 943                } else {
 944                    AvatarWorkerTask.loadAvatar(
 945                            contact, binding.contactPhoto, R.dimen.publish_avatar_size);
 946                }
 947            } else {
 948                binding.contactPhoto.setVisibility(View.GONE);
 949            }
 950            final Account account = contact == null ? getWith().getAccount() : contact.getAccount();
 951            binding.usingAccount.setVisibility(View.VISIBLE);
 952            binding.usingAccount.setText(
 953                    getString(
 954                            R.string.using_account,
 955                            account.getJid().asBareJid().toEscapedString()));
 956        } else {
 957            binding.usingAccount.setVisibility(View.GONE);
 958            binding.contactPhoto.setVisibility(View.GONE);
 959        }
 960    }
 961
 962    private Set<Media> getMedia() {
 963        return requireRtpConnection().getMedia();
 964    }
 965
 966    public ContentAddition getPendingContentAddition() {
 967        return requireRtpConnection().getPendingContentAddition();
 968    }
 969
 970    private void updateButtonConfiguration(final RtpEndUserState state) {
 971        updateButtonConfiguration(state, Collections.emptySet(), null);
 972    }
 973
 974    @SuppressLint("RestrictedApi")
 975    private void updateButtonConfiguration(
 976            final RtpEndUserState state,
 977            final Set<Media> media,
 978            final ContentAddition contentAddition) {
 979        if (state == RtpEndUserState.ENDING_CALL || isPictureInPicture()) {
 980            this.binding.rejectCall.setVisibility(View.INVISIBLE);
 981            this.binding.endCall.setVisibility(View.INVISIBLE);
 982            this.binding.acceptCall.setVisibility(View.INVISIBLE);
 983        } else if (state == RtpEndUserState.INCOMING_CALL) {
 984            this.binding.rejectCall.setContentDescription(getString(R.string.dismiss_call));
 985            this.binding.rejectCall.setOnClickListener(this::rejectCall);
 986            this.binding.rejectCall.setImageResource(R.drawable.ic_call_end_24dp);
 987            this.binding.rejectCall.setVisibility(View.VISIBLE);
 988            this.binding.endCall.setVisibility(View.INVISIBLE);
 989            this.binding.acceptCall.setContentDescription(getString(R.string.answer_call));
 990            this.binding.acceptCall.setOnClickListener(this::acceptCall);
 991            this.binding.acceptCall.setImageResource(R.drawable.ic_call_24dp);
 992            this.binding.acceptCall.setVisibility(View.VISIBLE);
 993        } else if (state == RtpEndUserState.INCOMING_CONTENT_ADD) {
 994            this.binding.rejectCall.setContentDescription(
 995                    getString(R.string.reject_switch_to_video));
 996            this.binding.rejectCall.setOnClickListener(this::rejectContentAdd);
 997            this.binding.rejectCall.setImageResource(R.drawable.ic_clear_24dp);
 998            this.binding.rejectCall.setVisibility(View.VISIBLE);
 999            this.binding.endCall.setVisibility(View.INVISIBLE);
1000            this.binding.acceptCall.setContentDescription(getString(R.string.accept));
1001            this.binding.acceptCall.setOnClickListener((v -> acceptContentAdd(contentAddition)));
1002            this.binding.acceptCall.setImageResource(R.drawable.ic_check_24dp);
1003            this.binding.acceptCall.setVisibility(View.VISIBLE);
1004        } else if (asList(RtpEndUserState.DECLINED_OR_BUSY, RtpEndUserState.CONTACT_OFFLINE)
1005                .contains(state)) {
1006            this.binding.rejectCall.setContentDescription(getString(R.string.exit));
1007            this.binding.rejectCall.setOnClickListener(this::exit);
1008            this.binding.rejectCall.setImageResource(R.drawable.ic_clear_24dp);
1009            this.binding.rejectCall.setVisibility(View.VISIBLE);
1010            this.binding.endCall.setVisibility(View.INVISIBLE);
1011            this.binding.acceptCall.setContentDescription(getString(R.string.record_voice_mail));
1012            this.binding.acceptCall.setOnClickListener(this::recordVoiceMail);
1013            this.binding.acceptCall.setImageResource(R.drawable.ic_voicemail_24dp);
1014            this.binding.acceptCall.setVisibility(View.VISIBLE);
1015        } else if (asList(
1016                        RtpEndUserState.CONNECTIVITY_ERROR,
1017                        RtpEndUserState.CONNECTIVITY_LOST_ERROR,
1018                        RtpEndUserState.APPLICATION_ERROR,
1019                        RtpEndUserState.RETRACTED,
1020                        RtpEndUserState.SECURITY_ERROR)
1021                .contains(state)) {
1022            this.binding.rejectCall.setContentDescription(getString(R.string.exit));
1023            this.binding.rejectCall.setOnClickListener(this::exit);
1024            this.binding.rejectCall.setImageResource(R.drawable.ic_clear_24dp);
1025            this.binding.rejectCall.setVisibility(View.VISIBLE);
1026            this.binding.endCall.setVisibility(View.INVISIBLE);
1027            this.binding.acceptCall.setContentDescription(getString(R.string.try_again));
1028            this.binding.acceptCall.setOnClickListener(this::retry);
1029            this.binding.acceptCall.setImageResource(R.drawable.ic_replay_24dp);
1030            this.binding.acceptCall.setVisibility(View.VISIBLE);
1031        } else {
1032            this.binding.rejectCall.setVisibility(View.INVISIBLE);
1033            this.binding.endCall.setContentDescription(getString(R.string.hang_up));
1034            this.binding.endCall.setOnClickListener(this::endCall);
1035            this.binding.endCall.setImageResource(R.drawable.ic_call_end_24dp);
1036            this.binding.endCall.setVisibility(View.VISIBLE);
1037            this.binding.acceptCall.setVisibility(View.INVISIBLE);
1038        }
1039        updateInCallButtonConfiguration(state, media);
1040    }
1041
1042    private boolean isPictureInPicture() {
1043        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
1044            return isInPictureInPictureMode();
1045        } else {
1046            return false;
1047        }
1048    }
1049
1050    private void updateInCallButtonConfiguration() {
1051        updateInCallButtonConfiguration(
1052                requireRtpConnection().getEndUserState(), requireRtpConnection().getMedia());
1053    }
1054
1055    @SuppressLint("RestrictedApi")
1056    private void updateInCallButtonConfiguration(
1057            final RtpEndUserState state, final Set<Media> media) {
1058        if (STATES_CONSIDERED_CONNECTED.contains(state) && !isPictureInPicture()) {
1059            Preconditions.checkArgument(!media.isEmpty(), "Media must not be empty");
1060            if (media.contains(Media.VIDEO)) {
1061                final JingleRtpConnection rtpConnection = requireRtpConnection();
1062                updateInCallButtonConfigurationVideo(
1063                        rtpConnection.isVideoEnabled(), rtpConnection.isCameraSwitchable());
1064            } else {
1065                final CallIntegration callIntegration = requireRtpConnection().getCallIntegration();
1066                updateInCallButtonConfigurationSpeaker(
1067                        callIntegration.getSelectedAudioDevice(),
1068                        callIntegration.getAudioDevices().size());
1069                this.binding.inCallActionFarRight.setVisibility(View.GONE);
1070            }
1071            if (media.contains(Media.AUDIO)) {
1072                updateInCallButtonConfigurationMicrophone(
1073                        requireRtpConnection().isMicrophoneEnabled());
1074            } else {
1075                this.binding.inCallActionLeft.setVisibility(View.GONE);
1076            }
1077        } else if (STATES_SHOWING_SPEAKER_CONFIGURATION.contains(state)
1078                && !isPictureInPicture()
1079                && Media.audioOnly(media)) {
1080            final CallIntegration callIntegration;
1081            try {
1082                callIntegration = requireCallIntegration();
1083            } catch (final IllegalStateException e) {
1084                Log.e(Config.LOGTAG, "can not update InCallButtonConfiguration in state " + state);
1085                return;
1086            }
1087            updateInCallButtonConfigurationSpeaker(
1088                    callIntegration.getSelectedAudioDevice(),
1089                    callIntegration.getAudioDevices().size());
1090            this.binding.inCallActionFarRight.setVisibility(View.GONE);
1091        } else {
1092            this.binding.inCallActionLeft.setVisibility(View.GONE);
1093            this.binding.inCallActionRight.setVisibility(View.GONE);
1094            this.binding.inCallActionFarRight.setVisibility(View.GONE);
1095        }
1096    }
1097
1098    @SuppressLint("RestrictedApi")
1099    private void updateInCallButtonConfigurationSpeaker(
1100            final CallIntegration.AudioDevice selectedAudioDevice, final int numberOfChoices) {
1101        switch (selectedAudioDevice) {
1102            case EARPIECE -> {
1103                this.binding.inCallActionRight.setImageResource(R.drawable.ic_volume_off_24dp);
1104                if (numberOfChoices >= 2) {
1105                    this.binding.inCallActionRight.setContentDescription(
1106                            getString(R.string.call_is_using_earpiece_tap_to_switch_to_speaker));
1107                    this.binding.inCallActionRight.setOnClickListener(this::switchToSpeaker);
1108                } else {
1109                    this.binding.inCallActionRight.setContentDescription(
1110                            getString(R.string.call_is_using_earpiece));
1111                    this.binding.inCallActionRight.setOnClickListener(null);
1112                    this.binding.inCallActionRight.setClickable(false);
1113                }
1114            }
1115            case WIRED_HEADSET -> {
1116                this.binding.inCallActionRight.setContentDescription(
1117                        getString(R.string.call_is_using_wired_headset));
1118                this.binding.inCallActionRight.setImageResource(R.drawable.ic_headset_mic_24dp);
1119                this.binding.inCallActionRight.setOnClickListener(null);
1120                this.binding.inCallActionRight.setClickable(false);
1121            }
1122            case SPEAKER_PHONE -> {
1123                this.binding.inCallActionRight.setImageResource(R.drawable.ic_volume_up_24dp);
1124                if (numberOfChoices >= 2) {
1125                    this.binding.inCallActionRight.setContentDescription(
1126                            getString(R.string.call_is_using_speaker_tap_to_switch_to_earpiece));
1127                    this.binding.inCallActionRight.setOnClickListener(this::switchToEarpiece);
1128                } else {
1129                    this.binding.inCallActionRight.setContentDescription(
1130                            getString(R.string.call_is_using_speaker));
1131                    this.binding.inCallActionRight.setOnClickListener(null);
1132                    this.binding.inCallActionRight.setClickable(false);
1133                }
1134            }
1135            case BLUETOOTH -> {
1136                this.binding.inCallActionRight.setContentDescription(
1137                        getString(R.string.call_is_using_bluetooth));
1138                this.binding.inCallActionRight.setImageResource(R.drawable.ic_bluetooth_audio_24dp);
1139                this.binding.inCallActionRight.setOnClickListener(null);
1140                this.binding.inCallActionRight.setClickable(false);
1141            }
1142        }
1143        this.binding.inCallActionRight.setVisibility(View.VISIBLE);
1144    }
1145
1146    @SuppressLint("RestrictedApi")
1147    private void updateInCallButtonConfigurationVideo(
1148            final boolean videoEnabled, final boolean isCameraSwitchable) {
1149        this.binding.inCallActionRight.setVisibility(View.VISIBLE);
1150        if (isCameraSwitchable) {
1151            this.binding.inCallActionFarRight.setImageResource(
1152                    R.drawable.ic_flip_camera_android_24dp);
1153            this.binding.inCallActionFarRight.setVisibility(View.VISIBLE);
1154            this.binding.inCallActionFarRight.setOnClickListener(this::switchCamera);
1155            this.binding.inCallActionFarRight.setContentDescription(
1156                    getString(R.string.flip_camera));
1157        } else {
1158            this.binding.inCallActionFarRight.setVisibility(View.GONE);
1159        }
1160        if (videoEnabled) {
1161            this.binding.inCallActionRight.setImageResource(R.drawable.ic_videocam_24dp);
1162            this.binding.inCallActionRight.setOnClickListener(this::disableVideo);
1163            this.binding.inCallActionRight.setContentDescription(
1164                    getString(R.string.video_is_enabled_tap_to_disable));
1165        } else {
1166            this.binding.inCallActionRight.setImageResource(R.drawable.ic_videocam_off_24dp);
1167            this.binding.inCallActionRight.setOnClickListener(this::enableVideo);
1168            this.binding.inCallActionRight.setContentDescription(
1169                    getString(R.string.video_is_disabled_tap_to_enable));
1170        }
1171    }
1172
1173    private void switchCamera(final View view) {
1174        Futures.addCallback(
1175                requireRtpConnection().switchCamera(),
1176                new FutureCallback<>() {
1177                    @Override
1178                    public void onSuccess(@Nullable Boolean isFrontCamera) {
1179                        binding.localVideo.setMirror(Boolean.TRUE.equals(isFrontCamera));
1180                    }
1181
1182                    @Override
1183                    public void onFailure(@NonNull final Throwable throwable) {
1184                        Log.d(
1185                                Config.LOGTAG,
1186                                "could not switch camera",
1187                                Throwables.getRootCause(throwable));
1188                        Toast.makeText(
1189                                        RtpSessionActivity.this,
1190                                        R.string.could_not_switch_camera,
1191                                        Toast.LENGTH_LONG)
1192                                .show();
1193                    }
1194                },
1195                MainThreadExecutor.getInstance());
1196    }
1197
1198    private void enableVideo(final View view) {
1199        try {
1200            requireRtpConnection().setVideoEnabled(true);
1201        } catch (final IllegalStateException e) {
1202            Toast.makeText(this, R.string.unable_to_enable_video, Toast.LENGTH_SHORT).show();
1203            return;
1204        }
1205        updateInCallButtonConfigurationVideo(true, requireRtpConnection().isCameraSwitchable());
1206    }
1207
1208    private void disableVideo(final View view) {
1209        final JingleRtpConnection rtpConnection = requireRtpConnection();
1210        final ContentAddition pending = rtpConnection.getPendingContentAddition();
1211        if (pending != null && pending.direction == ContentAddition.Direction.OUTGOING) {
1212            rtpConnection.retractContentAdd();
1213            return;
1214        }
1215        try {
1216            requireRtpConnection().setVideoEnabled(false);
1217        } catch (final IllegalStateException e) {
1218            Toast.makeText(this, R.string.could_not_disable_video, Toast.LENGTH_SHORT).show();
1219            return;
1220        }
1221        updateInCallButtonConfigurationVideo(false, requireRtpConnection().isCameraSwitchable());
1222    }
1223
1224    @SuppressLint("RestrictedApi")
1225    private void updateInCallButtonConfigurationMicrophone(final boolean microphoneEnabled) {
1226        if (microphoneEnabled) {
1227            this.binding.inCallActionLeft.setImageResource(R.drawable.ic_mic_24dp);
1228            this.binding.inCallActionLeft.setOnClickListener(this::disableMicrophone);
1229        } else {
1230            this.binding.inCallActionLeft.setImageResource(R.drawable.ic_mic_off_24dp);
1231            this.binding.inCallActionLeft.setOnClickListener(this::enableMicrophone);
1232        }
1233        this.binding.inCallActionLeft.setVisibility(View.VISIBLE);
1234    }
1235
1236    private void updateCallDuration() {
1237        final JingleRtpConnection connection =
1238                this.rtpConnectionReference != null ? this.rtpConnectionReference.get() : null;
1239        if (connection == null || connection.getMedia().contains(Media.VIDEO)) {
1240            this.binding.duration.setVisibility(View.GONE);
1241            return;
1242        }
1243        if (connection.zeroDuration()) {
1244            this.binding.duration.setVisibility(View.GONE);
1245        } else {
1246            this.binding.duration.setText(
1247                    TimeFrameUtils.formatElapsedTime(connection.getCallDuration(), false));
1248            this.binding.duration.setVisibility(View.VISIBLE);
1249        }
1250    }
1251
1252    private void updateVideoViews(final RtpEndUserState state) {
1253        if (END_CARD.contains(state) || state == RtpEndUserState.ENDING_CALL) {
1254            binding.localVideo.setVisibility(View.GONE);
1255            binding.localVideo.release();
1256            binding.remoteVideoWrapper.setVisibility(View.GONE);
1257            binding.remoteVideo.release();
1258            binding.pipLocalMicOffIndicator.setVisibility(View.GONE);
1259            if (isPictureInPicture()) {
1260                binding.appBarLayout.setVisibility(View.GONE);
1261                binding.pipPlaceholder.setVisibility(View.VISIBLE);
1262                if (Arrays.asList(
1263                                RtpEndUserState.APPLICATION_ERROR,
1264                                RtpEndUserState.CONNECTIVITY_ERROR,
1265                                RtpEndUserState.SECURITY_ERROR)
1266                        .contains(state)) {
1267                    binding.pipWarning.setVisibility(View.VISIBLE);
1268                    binding.pipWaiting.setVisibility(View.GONE);
1269                } else {
1270                    binding.pipWarning.setVisibility(View.GONE);
1271                    binding.pipWaiting.setVisibility(View.GONE);
1272                }
1273            } else {
1274                binding.appBarLayout.setVisibility(View.VISIBLE);
1275                binding.pipPlaceholder.setVisibility(View.GONE);
1276            }
1277            getWindow().clearFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);
1278            return;
1279        }
1280        if (isPictureInPicture() && STATES_SHOWING_PIP_PLACEHOLDER.contains(state)) {
1281            binding.localVideo.setVisibility(View.GONE);
1282            binding.remoteVideoWrapper.setVisibility(View.GONE);
1283            binding.appBarLayout.setVisibility(View.GONE);
1284            binding.pipPlaceholder.setVisibility(View.VISIBLE);
1285            binding.pipWarning.setVisibility(View.GONE);
1286            binding.pipWaiting.setVisibility(View.VISIBLE);
1287            binding.pipLocalMicOffIndicator.setVisibility(View.GONE);
1288            return;
1289        }
1290        final Optional<VideoTrack> localVideoTrack = getLocalVideoTrack();
1291        if (localVideoTrack.isPresent() && !isPictureInPicture()) {
1292            ensureSurfaceViewRendererIsSetup(binding.localVideo);
1293            // paint local view over remote view
1294            binding.localVideo.setZOrderMediaOverlay(true);
1295            binding.localVideo.setMirror(requireRtpConnection().isFrontCamera());
1296            addSink(localVideoTrack.get(), binding.localVideo);
1297        } else {
1298            binding.localVideo.setVisibility(View.GONE);
1299        }
1300        final Optional<VideoTrack> remoteVideoTrack = getRemoteVideoTrack();
1301        if (remoteVideoTrack.isPresent()) {
1302            ensureSurfaceViewRendererIsSetup(binding.remoteVideo);
1303            addSink(remoteVideoTrack.get(), binding.remoteVideo);
1304            binding.remoteVideo.setScalingType(
1305                    RendererCommon.ScalingType.SCALE_ASPECT_FILL,
1306                    RendererCommon.ScalingType.SCALE_ASPECT_FIT);
1307            if (state == RtpEndUserState.CONNECTED) {
1308                binding.appBarLayout.setVisibility(View.GONE);
1309                getWindow().addFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);
1310                binding.remoteVideoWrapper.setVisibility(View.VISIBLE);
1311            } else {
1312                binding.appBarLayout.setVisibility(View.VISIBLE);
1313                getWindow().clearFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);
1314                binding.remoteVideoWrapper.setVisibility(View.GONE);
1315            }
1316            if (isPictureInPicture() && !requireRtpConnection().isMicrophoneEnabled()) {
1317                binding.pipLocalMicOffIndicator.setVisibility(View.VISIBLE);
1318            } else {
1319                binding.pipLocalMicOffIndicator.setVisibility(View.GONE);
1320            }
1321        } else {
1322            getWindow().clearFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);
1323            binding.remoteVideoWrapper.setVisibility(View.GONE);
1324            binding.pipLocalMicOffIndicator.setVisibility(View.GONE);
1325        }
1326    }
1327
1328    private Optional<VideoTrack> getLocalVideoTrack() {
1329        final JingleRtpConnection connection =
1330                this.rtpConnectionReference != null ? this.rtpConnectionReference.get() : null;
1331        if (connection == null) {
1332            return Optional.absent();
1333        }
1334        return connection.getLocalVideoTrack();
1335    }
1336
1337    private Optional<VideoTrack> getRemoteVideoTrack() {
1338        final JingleRtpConnection connection =
1339                this.rtpConnectionReference != null ? this.rtpConnectionReference.get() : null;
1340        if (connection == null) {
1341            return Optional.absent();
1342        }
1343        return connection.getRemoteVideoTrack();
1344    }
1345
1346    private void disableMicrophone(View view) {
1347        final JingleRtpConnection rtpConnection = requireRtpConnection();
1348        if (rtpConnection.setMicrophoneEnabled(false)) {
1349            updateInCallButtonConfiguration();
1350        }
1351    }
1352
1353    private void enableMicrophone(View view) {
1354        final JingleRtpConnection rtpConnection = requireRtpConnection();
1355        if (rtpConnection.setMicrophoneEnabled(true)) {
1356            updateInCallButtonConfiguration();
1357        }
1358    }
1359
1360    private void switchToEarpiece(final View view) {
1361        try {
1362            requireCallIntegration().setAudioDevice(CallIntegration.AudioDevice.EARPIECE);
1363            acquireProximityWakeLock();
1364        } catch (final IllegalStateException e) {
1365            Toast.makeText(this, e.getMessage(), Toast.LENGTH_SHORT).show();
1366        }
1367    }
1368
1369    private void switchToSpeaker(final View view) {
1370        try {
1371            requireCallIntegration().setAudioDevice(CallIntegration.AudioDevice.SPEAKER_PHONE);
1372            releaseProximityWakeLock();
1373        } catch (final IllegalStateException e) {
1374            Toast.makeText(this, e.getMessage(), Toast.LENGTH_SHORT).show();
1375        }
1376    }
1377
1378    private void retry(final View view) {
1379        final Intent intent = getIntent();
1380        final Account account = extractAccount(intent);
1381        final Jid with = Jid.ofEscaped(intent.getStringExtra(EXTRA_WITH));
1382        final String lastAction = intent.getStringExtra(EXTRA_LAST_ACTION);
1383        final String action = intent.getAction();
1384        final Set<Media> media = actionToMedia(lastAction == null ? action : lastAction);
1385        this.rtpConnectionReference = null;
1386        Log.d(Config.LOGTAG, "attempting retry with " + with.toEscapedString());
1387        CallIntegrationConnectionService.placeCall(xmppConnectionService, account, with, media);
1388    }
1389
1390    private void exit(final View view) {
1391        finish();
1392    }
1393
1394    private void recordVoiceMail(final View view) {
1395        final Intent intent = getIntent();
1396        final Account account = extractAccount(intent);
1397        final Jid with = Jid.ofEscaped(intent.getStringExtra(EXTRA_WITH));
1398        final Conversation conversation =
1399                xmppConnectionService.findOrCreateConversation(account, with, false, true);
1400        final Intent launchIntent = new Intent(this, ConversationsActivity.class);
1401        launchIntent.setAction(ConversationsActivity.ACTION_VIEW_CONVERSATION);
1402        launchIntent.putExtra(ConversationsActivity.EXTRA_CONVERSATION, conversation.getUuid());
1403        launchIntent.setFlags(intent.getFlags() | Intent.FLAG_ACTIVITY_CLEAR_TOP);
1404        launchIntent.putExtra(
1405                ConversationsActivity.EXTRA_POST_INIT_ACTION,
1406                ConversationsActivity.POST_ACTION_RECORD_VOICE);
1407        startActivity(launchIntent);
1408        finish();
1409    }
1410
1411    private Contact getWith() {
1412        final AbstractJingleConnection.Id id = requireRtpConnection().getId();
1413        final Account account = id.account;
1414        return account.getRoster().getContact(id.with);
1415    }
1416
1417    private JingleRtpConnection requireRtpConnection() {
1418        final JingleRtpConnection connection =
1419                this.rtpConnectionReference != null ? this.rtpConnectionReference.get() : null;
1420        if (connection == null) {
1421            throw new IllegalStateException("No RTP connection found");
1422        }
1423        return connection;
1424    }
1425
1426    private CallIntegration requireCallIntegration() {
1427        return requireOngoingRtpSession().getCallIntegration();
1428    }
1429
1430    private OngoingRtpSession requireOngoingRtpSession() {
1431        final JingleRtpConnection connection =
1432                this.rtpConnectionReference != null ? this.rtpConnectionReference.get() : null;
1433        if (connection != null) {
1434            return connection;
1435        }
1436        final Intent currentIntent = getIntent();
1437        final String withExtra =
1438                currentIntent == null ? null : currentIntent.getStringExtra(EXTRA_WITH);
1439        final var account = extractAccount(currentIntent);
1440        if (withExtra == null) {
1441            throw new IllegalStateException("Current intent has no EXTRA_WITH");
1442        }
1443        final var matching =
1444                xmppConnectionService
1445                        .getJingleConnectionManager()
1446                        .matchingProposal(account, Jid.of(withExtra));
1447        if (matching.isPresent()) {
1448            return matching.get();
1449        }
1450        throw new IllegalStateException("No matching session proposal");
1451    }
1452
1453    @Override
1454    public void onJingleRtpConnectionUpdate(
1455            Account account, Jid with, final String sessionId, RtpEndUserState state) {
1456        Log.d(Config.LOGTAG, "onJingleRtpConnectionUpdate(" + state + ")");
1457        if (END_CARD.contains(state)) {
1458            Log.d(Config.LOGTAG, "end card reached");
1459            releaseProximityWakeLock();
1460            runOnUiThread(
1461                    () -> getWindow().clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON));
1462        }
1463        if (with.isBareJid()) {
1464            updateRtpSessionProposalState(account, with, state);
1465            return;
1466        }
1467        if (emptyReference(this.rtpConnectionReference)) {
1468            if (END_CARD.contains(state)) {
1469                Log.d(Config.LOGTAG, "not reinitializing session");
1470                return;
1471            }
1472            // this happens when going from proposed session to actual session
1473            reInitializeActivityWithRunningRtpSession(account, with, sessionId);
1474            return;
1475        }
1476        final AbstractJingleConnection.Id id = requireRtpConnection().getId();
1477        final boolean verified = requireRtpConnection().isVerified();
1478        final Set<Media> media = getMedia();
1479        lockOrientation(media);
1480        final ContentAddition contentAddition = getPendingContentAddition();
1481        final Contact contact = getWith();
1482        if (account == id.account && id.with.equals(with) && id.sessionId.equals(sessionId)) {
1483            if (state == RtpEndUserState.ENDED) {
1484                finish();
1485                return;
1486            }
1487            runOnUiThread(
1488                    () -> {
1489                        updateStateDisplay(state, media, contentAddition);
1490                        updateVerifiedShield(
1491                                verified && STATES_SHOWING_SWITCH_TO_CHAT.contains(state));
1492                        updateButtonConfiguration(state, media, contentAddition);
1493                        updateVideoViews(state);
1494                        updateIncomingCallScreen(state, contact);
1495                        invalidateOptionsMenu();
1496                    });
1497            if (END_CARD.contains(state)) {
1498                final JingleRtpConnection rtpConnection = requireRtpConnection();
1499                resetIntent(account, with, state, rtpConnection.getMedia());
1500                releaseVideoTracks(rtpConnection);
1501                this.rtpConnectionReference = null;
1502            }
1503        } else {
1504            Log.d(Config.LOGTAG, "received update for other rtp session");
1505        }
1506    }
1507
1508    @Override
1509    public void onAudioDeviceChanged(
1510            final CallIntegration.AudioDevice selectedAudioDevice,
1511            final Set<CallIntegration.AudioDevice> availableAudioDevices) {
1512        Log.d(
1513                Config.LOGTAG,
1514                "onAudioDeviceChanged in activity: selected:"
1515                        + selectedAudioDevice
1516                        + ", available:"
1517                        + availableAudioDevices);
1518        try {
1519            final OngoingRtpSession ongoingRtpSession = requireOngoingRtpSession();
1520            final RtpEndUserState endUserState;
1521            if (ongoingRtpSession instanceof JingleRtpConnection jingleRtpConnection) {
1522                endUserState = jingleRtpConnection.getEndUserState();
1523            } else {
1524                // for session proposals all end user states are functionally the same
1525                endUserState = RtpEndUserState.RINGING;
1526            }
1527            final Set<Media> media = ongoingRtpSession.getMedia();
1528            if (END_CARD.contains(endUserState)) {
1529                Log.d(
1530                        Config.LOGTAG,
1531                        "onAudioDeviceChanged() nothing to do because end card has been reached");
1532            } else {
1533                if (Media.audioOnly(media)
1534                        && STATES_SHOWING_SPEAKER_CONFIGURATION.contains(endUserState)) {
1535                    final CallIntegration callIntegration = requireCallIntegration();
1536                    updateInCallButtonConfigurationSpeaker(
1537                            callIntegration.getSelectedAudioDevice(),
1538                            callIntegration.getAudioDevices().size());
1539                }
1540                Log.d(
1541                        Config.LOGTAG,
1542                        "put proximity wake lock into proper state after device update");
1543                putProximityWakeLockInProperState(selectedAudioDevice);
1544            }
1545        } catch (final IllegalStateException e) {
1546            Log.d(Config.LOGTAG, "RTP connection was not available when audio device changed");
1547        }
1548    }
1549
1550    @Override
1551    protected void onSaveInstanceState(@NonNull @NotNull Bundle outState) {
1552        super.onSaveInstanceState(outState);
1553        outState.putBoolean("dialpad_visible", binding.dialpad.getVisibility() == View.VISIBLE);
1554    }
1555
1556    private void updateRtpSessionProposalState(
1557            final Account account, final Jid with, final RtpEndUserState state) {
1558        final Intent currentIntent = getIntent();
1559        final String withExtra =
1560                currentIntent == null ? null : currentIntent.getStringExtra(EXTRA_WITH);
1561        if (withExtra == null) {
1562            return;
1563        }
1564        final Set<Media> media = actionToMedia(currentIntent.getStringExtra(EXTRA_LAST_ACTION));
1565        if (Jid.ofEscaped(withExtra).asBareJid().equals(with)) {
1566            runOnUiThread(
1567                    () -> {
1568                        updateVerifiedShield(false);
1569                        updateStateDisplay(state);
1570                        updateButtonConfiguration(state, media, null);
1571                        updateIncomingCallScreen(state);
1572                        invalidateOptionsMenu();
1573                    });
1574            resetIntent(account, with, state, media);
1575        }
1576    }
1577
1578    private void resetIntent(final Bundle extras) {
1579        final Intent intent = new Intent(Intent.ACTION_VIEW);
1580        intent.putExtras(extras);
1581        setIntent(intent);
1582    }
1583
1584    private void resetIntent(
1585            final Account account, Jid with, final RtpEndUserState state, final Set<Media> media) {
1586        final Intent intent = new Intent(Intent.ACTION_VIEW);
1587        intent.putExtra(EXTRA_ACCOUNT, account.getJid().toEscapedString());
1588        if (RtpCapability.jmiSupport(account.getRoster().getContact(with))) {
1589            intent.putExtra(EXTRA_WITH, with.asBareJid().toEscapedString());
1590        } else {
1591            intent.putExtra(EXTRA_WITH, with.toEscapedString());
1592        }
1593        intent.putExtra(EXTRA_LAST_REPORTED_STATE, state.toString());
1594        intent.putExtra(
1595                EXTRA_LAST_ACTION,
1596                media.contains(Media.VIDEO) ? ACTION_MAKE_VIDEO_CALL : ACTION_MAKE_VOICE_CALL);
1597        setIntent(intent);
1598    }
1599
1600    private static boolean emptyReference(final WeakReference<?> weakReference) {
1601        return weakReference == null || weakReference.get() == null;
1602    }
1603
1604    private enum Event {
1605        ON_BACKEND_CONNECTED,
1606        ON_NEW_INTENT
1607    }
1608}