RtpSessionActivity.java

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