RtpSessionActivity.java

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