RtpSessionActivity.java

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