RtpSessionActivity.java

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