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            finish();
 650            return true;
 651        }
 652        final Set<Media> media = getMedia();
 653        if (currentState == RtpEndUserState.INCOMING_CALL) {
 654            getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
 655        }
 656        if (JingleRtpConnection.STATES_SHOWING_ONGOING_CALL.contains(
 657                requireRtpConnection().getState())) {
 658            putScreenInCallMode();
 659        }
 660        binding.with.setText(getWith().getDisplayName());
 661        updateVideoViews(currentState);
 662        updateStateDisplay(currentState, media);
 663        updateVerifiedShield(verified && STATES_SHOWING_SWITCH_TO_CHAT.contains(currentState));
 664        updateButtonConfiguration(currentState, media);
 665        updateProfilePicture(currentState);
 666        invalidateOptionsMenu();
 667        return false;
 668    }
 669
 670    private void initializeWithTerminatedSessionState(
 671            final Account account,
 672            final Jid with,
 673            final JingleConnectionManager.TerminatedRtpSession terminatedRtpSession) {
 674        Log.d(Config.LOGTAG, "initializeWithTerminatedSessionState()");
 675        if (terminatedRtpSession.state == RtpEndUserState.ENDED) {
 676            finish();
 677            return;
 678        }
 679        RtpEndUserState state = terminatedRtpSession.state;
 680        resetIntent(account, with, terminatedRtpSession.state, terminatedRtpSession.media);
 681        updateButtonConfiguration(state);
 682        updateStateDisplay(state);
 683        updateProfilePicture(state);
 684        updateCallDuration();
 685        updateVerifiedShield(false);
 686        invalidateOptionsMenu();
 687        binding.with.setText(account.getRoster().getContact(with).getDisplayName());
 688    }
 689
 690    private void reInitializeActivityWithRunningRtpSession(
 691            final Account account, Jid with, String sessionId) {
 692        runOnUiThread(() -> initializeActivityWithRunningRtpSession(account, with, sessionId));
 693        resetIntent(account, with, sessionId);
 694    }
 695
 696    private void resetIntent(final Account account, final Jid with, final String sessionId) {
 697        final Intent intent = new Intent(Intent.ACTION_VIEW);
 698        intent.putExtra(EXTRA_ACCOUNT, account.getJid().toEscapedString());
 699        intent.putExtra(EXTRA_WITH, with.toEscapedString());
 700        intent.putExtra(EXTRA_SESSION_ID, sessionId);
 701        setIntent(intent);
 702    }
 703
 704    private void ensureSurfaceViewRendererIsSetup(final SurfaceViewRenderer surfaceViewRenderer) {
 705        surfaceViewRenderer.setVisibility(View.VISIBLE);
 706        try {
 707            surfaceViewRenderer.init(requireRtpConnection().getEglBaseContext(), null);
 708        } catch (final IllegalStateException e) {
 709            // Log.d(Config.LOGTAG, "SurfaceViewRenderer was already initialized");
 710        }
 711        surfaceViewRenderer.setEnableHardwareScaler(true);
 712    }
 713
 714    private void updateStateDisplay(final RtpEndUserState state) {
 715        updateStateDisplay(state, Collections.emptySet());
 716    }
 717
 718    private void updateStateDisplay(final RtpEndUserState state, final Set<Media> media) {
 719        switch (state) {
 720            case INCOMING_CALL:
 721                Preconditions.checkArgument(media.size() > 0, "Media must not be empty");
 722                if (media.contains(Media.VIDEO)) {
 723                    setTitle(R.string.rtp_state_incoming_video_call);
 724                } else {
 725                    setTitle(R.string.rtp_state_incoming_call);
 726                }
 727                break;
 728            case CONNECTING:
 729                setTitle(R.string.rtp_state_connecting);
 730                break;
 731            case CONNECTED:
 732                setTitle(R.string.rtp_state_connected);
 733                break;
 734            case RECONNECTING:
 735                setTitle(R.string.rtp_state_reconnecting);
 736                break;
 737            case ACCEPTING_CALL:
 738                setTitle(R.string.rtp_state_accepting_call);
 739                break;
 740            case ENDING_CALL:
 741                setTitle(R.string.rtp_state_ending_call);
 742                break;
 743            case FINDING_DEVICE:
 744                setTitle(R.string.rtp_state_finding_device);
 745                break;
 746            case RINGING:
 747                setTitle(R.string.rtp_state_ringing);
 748                break;
 749            case DECLINED_OR_BUSY:
 750                setTitle(R.string.rtp_state_declined_or_busy);
 751                break;
 752            case CONNECTIVITY_ERROR:
 753                setTitle(R.string.rtp_state_connectivity_error);
 754                break;
 755            case CONNECTIVITY_LOST_ERROR:
 756                setTitle(R.string.rtp_state_connectivity_lost_error);
 757                break;
 758            case RETRACTED:
 759                setTitle(R.string.rtp_state_retracted);
 760                break;
 761            case APPLICATION_ERROR:
 762                setTitle(R.string.rtp_state_application_failure);
 763                break;
 764            case SECURITY_ERROR:
 765                setTitle(R.string.rtp_state_security_error);
 766                break;
 767            case ENDED:
 768                throw new IllegalStateException(
 769                        "Activity should have called finishAndReleaseWakeLock();");
 770            default:
 771                throw new IllegalStateException(
 772                        String.format("State %s has not been handled in UI", state));
 773        }
 774    }
 775
 776    private void updateVerifiedShield(final boolean verified) {
 777        if (isPictureInPicture()) {
 778            this.binding.verified.setVisibility(View.GONE);
 779            return;
 780        }
 781        this.binding.verified.setVisibility(verified ? View.VISIBLE : View.GONE);
 782    }
 783
 784    private void updateProfilePicture(final RtpEndUserState state) {
 785        updateProfilePicture(state, null);
 786    }
 787
 788    private void updateProfilePicture(final RtpEndUserState state, final Contact contact) {
 789        if (state == RtpEndUserState.INCOMING_CALL || state == RtpEndUserState.ACCEPTING_CALL) {
 790            final boolean show = getResources().getBoolean(R.bool.show_avatar_incoming_call);
 791            if (show) {
 792                binding.contactPhoto.setVisibility(View.VISIBLE);
 793                if (contact == null) {
 794                    AvatarWorkerTask.loadAvatar(
 795                            getWith(), binding.contactPhoto, R.dimen.publish_avatar_size);
 796                } else {
 797                    AvatarWorkerTask.loadAvatar(
 798                            contact, binding.contactPhoto, R.dimen.publish_avatar_size);
 799                }
 800            } else {
 801                binding.contactPhoto.setVisibility(View.GONE);
 802            }
 803        } else {
 804            binding.contactPhoto.setVisibility(View.GONE);
 805        }
 806    }
 807
 808    private Set<Media> getMedia() {
 809        return requireRtpConnection().getMedia();
 810    }
 811
 812    private void updateButtonConfiguration(final RtpEndUserState state) {
 813        updateButtonConfiguration(state, Collections.emptySet());
 814    }
 815
 816    @SuppressLint("RestrictedApi")
 817    private void updateButtonConfiguration(final RtpEndUserState state, final Set<Media> media) {
 818        if (state == RtpEndUserState.ENDING_CALL || isPictureInPicture()) {
 819            this.binding.rejectCall.setVisibility(View.INVISIBLE);
 820            this.binding.endCall.setVisibility(View.INVISIBLE);
 821            this.binding.acceptCall.setVisibility(View.INVISIBLE);
 822        } else if (state == RtpEndUserState.INCOMING_CALL) {
 823            this.binding.rejectCall.setContentDescription(getString(R.string.dismiss_call));
 824            this.binding.rejectCall.setOnClickListener(this::rejectCall);
 825            this.binding.rejectCall.setImageResource(R.drawable.ic_call_end_white_48dp);
 826            this.binding.rejectCall.setVisibility(View.VISIBLE);
 827            this.binding.endCall.setVisibility(View.INVISIBLE);
 828            this.binding.acceptCall.setContentDescription(getString(R.string.answer_call));
 829            this.binding.acceptCall.setOnClickListener(this::acceptCall);
 830            this.binding.acceptCall.setImageResource(R.drawable.ic_call_white_48dp);
 831            this.binding.acceptCall.setVisibility(View.VISIBLE);
 832        } else if (state == RtpEndUserState.DECLINED_OR_BUSY) {
 833            this.binding.rejectCall.setContentDescription(getString(R.string.exit));
 834            this.binding.rejectCall.setOnClickListener(this::exit);
 835            this.binding.rejectCall.setImageResource(R.drawable.ic_clear_white_48dp);
 836            this.binding.rejectCall.setVisibility(View.VISIBLE);
 837            this.binding.endCall.setVisibility(View.INVISIBLE);
 838            this.binding.acceptCall.setContentDescription(getString(R.string.record_voice_mail));
 839            this.binding.acceptCall.setOnClickListener(this::recordVoiceMail);
 840            this.binding.acceptCall.setImageResource(R.drawable.ic_voicemail_white_24dp);
 841            this.binding.acceptCall.setVisibility(View.VISIBLE);
 842        } else if (asList(
 843                        RtpEndUserState.CONNECTIVITY_ERROR,
 844                        RtpEndUserState.CONNECTIVITY_LOST_ERROR,
 845                        RtpEndUserState.APPLICATION_ERROR,
 846                        RtpEndUserState.RETRACTED,
 847                        RtpEndUserState.SECURITY_ERROR)
 848                .contains(state)) {
 849            this.binding.rejectCall.setContentDescription(getString(R.string.exit));
 850            this.binding.rejectCall.setOnClickListener(this::exit);
 851            this.binding.rejectCall.setImageResource(R.drawable.ic_clear_white_48dp);
 852            this.binding.rejectCall.setVisibility(View.VISIBLE);
 853            this.binding.endCall.setVisibility(View.INVISIBLE);
 854            this.binding.acceptCall.setContentDescription(getString(R.string.try_again));
 855            this.binding.acceptCall.setOnClickListener(this::retry);
 856            this.binding.acceptCall.setImageResource(R.drawable.ic_replay_white_48dp);
 857            this.binding.acceptCall.setVisibility(View.VISIBLE);
 858        } else {
 859            this.binding.rejectCall.setVisibility(View.INVISIBLE);
 860            this.binding.endCall.setContentDescription(getString(R.string.hang_up));
 861            this.binding.endCall.setOnClickListener(this::endCall);
 862            this.binding.endCall.setImageResource(R.drawable.ic_call_end_white_48dp);
 863            this.binding.endCall.setVisibility(View.VISIBLE);
 864            this.binding.acceptCall.setVisibility(View.INVISIBLE);
 865        }
 866        updateInCallButtonConfiguration(state, media);
 867    }
 868
 869    private boolean isPictureInPicture() {
 870        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
 871            return isInPictureInPictureMode();
 872        } else {
 873            return false;
 874        }
 875    }
 876
 877    private void updateInCallButtonConfiguration() {
 878        updateInCallButtonConfiguration(
 879                requireRtpConnection().getEndUserState(), requireRtpConnection().getMedia());
 880    }
 881
 882    @SuppressLint("RestrictedApi")
 883    private void updateInCallButtonConfiguration(
 884            final RtpEndUserState state, final Set<Media> media) {
 885        if (STATES_CONSIDERED_CONNECTED.contains(state) && !isPictureInPicture()) {
 886            Preconditions.checkArgument(media.size() > 0, "Media must not be empty");
 887            if (media.contains(Media.VIDEO)) {
 888                final JingleRtpConnection rtpConnection = requireRtpConnection();
 889                updateInCallButtonConfigurationVideo(
 890                        rtpConnection.isVideoEnabled(), rtpConnection.isCameraSwitchable());
 891            } else {
 892                final AppRTCAudioManager audioManager = requireRtpConnection().getAudioManager();
 893                updateInCallButtonConfigurationSpeaker(
 894                        audioManager.getSelectedAudioDevice(),
 895                        audioManager.getAudioDevices().size());
 896                this.binding.inCallActionFarRight.setVisibility(View.GONE);
 897            }
 898            if (media.contains(Media.AUDIO)) {
 899                updateInCallButtonConfigurationMicrophone(
 900                        requireRtpConnection().isMicrophoneEnabled());
 901            } else {
 902                this.binding.inCallActionLeft.setVisibility(View.GONE);
 903            }
 904        } else {
 905            this.binding.inCallActionLeft.setVisibility(View.GONE);
 906            this.binding.inCallActionRight.setVisibility(View.GONE);
 907            this.binding.inCallActionFarRight.setVisibility(View.GONE);
 908        }
 909    }
 910
 911    @SuppressLint("RestrictedApi")
 912    private void updateInCallButtonConfigurationSpeaker(
 913            final AppRTCAudioManager.AudioDevice selectedAudioDevice, final int numberOfChoices) {
 914        switch (selectedAudioDevice) {
 915            case EARPIECE:
 916                this.binding.inCallActionRight.setImageResource(
 917                        R.drawable.ic_volume_off_black_24dp);
 918                if (numberOfChoices >= 2) {
 919                    this.binding.inCallActionRight.setOnClickListener(this::switchToSpeaker);
 920                } else {
 921                    this.binding.inCallActionRight.setOnClickListener(null);
 922                    this.binding.inCallActionRight.setClickable(false);
 923                }
 924                break;
 925            case WIRED_HEADSET:
 926                this.binding.inCallActionRight.setImageResource(R.drawable.ic_headset_black_24dp);
 927                this.binding.inCallActionRight.setOnClickListener(null);
 928                this.binding.inCallActionRight.setClickable(false);
 929                break;
 930            case SPEAKER_PHONE:
 931                this.binding.inCallActionRight.setImageResource(R.drawable.ic_volume_up_black_24dp);
 932                if (numberOfChoices >= 2) {
 933                    this.binding.inCallActionRight.setOnClickListener(this::switchToEarpiece);
 934                } else {
 935                    this.binding.inCallActionRight.setOnClickListener(null);
 936                    this.binding.inCallActionRight.setClickable(false);
 937                }
 938                break;
 939            case BLUETOOTH:
 940                this.binding.inCallActionRight.setImageResource(
 941                        R.drawable.ic_bluetooth_audio_black_24dp);
 942                this.binding.inCallActionRight.setOnClickListener(null);
 943                this.binding.inCallActionRight.setClickable(false);
 944                break;
 945        }
 946        this.binding.inCallActionRight.setVisibility(View.VISIBLE);
 947    }
 948
 949    @SuppressLint("RestrictedApi")
 950    private void updateInCallButtonConfigurationVideo(
 951            final boolean videoEnabled, final boolean isCameraSwitchable) {
 952        this.binding.inCallActionRight.setVisibility(View.VISIBLE);
 953        if (isCameraSwitchable) {
 954            this.binding.inCallActionFarRight.setImageResource(
 955                    R.drawable.ic_flip_camera_android_black_24dp);
 956            this.binding.inCallActionFarRight.setVisibility(View.VISIBLE);
 957            this.binding.inCallActionFarRight.setOnClickListener(this::switchCamera);
 958        } else {
 959            this.binding.inCallActionFarRight.setVisibility(View.GONE);
 960        }
 961        if (videoEnabled) {
 962            this.binding.inCallActionRight.setImageResource(R.drawable.ic_videocam_black_24dp);
 963            this.binding.inCallActionRight.setOnClickListener(this::disableVideo);
 964        } else {
 965            this.binding.inCallActionRight.setImageResource(R.drawable.ic_videocam_off_black_24dp);
 966            this.binding.inCallActionRight.setOnClickListener(this::enableVideo);
 967        }
 968    }
 969
 970    private void switchCamera(final View view) {
 971        Futures.addCallback(
 972                requireRtpConnection().switchCamera(),
 973                new FutureCallback<Boolean>() {
 974                    @Override
 975                    public void onSuccess(@NullableDecl Boolean isFrontCamera) {
 976                        binding.localVideo.setMirror(isFrontCamera);
 977                    }
 978
 979                    @Override
 980                    public void onFailure(@NonNull final Throwable throwable) {
 981                        Log.d(
 982                                Config.LOGTAG,
 983                                "could not switch camera",
 984                                Throwables.getRootCause(throwable));
 985                        Toast.makeText(
 986                                        RtpSessionActivity.this,
 987                                        R.string.could_not_switch_camera,
 988                                        Toast.LENGTH_LONG)
 989                                .show();
 990                    }
 991                },
 992                MainThreadExecutor.getInstance());
 993    }
 994
 995    private void enableVideo(View view) {
 996        try {
 997            requireRtpConnection().setVideoEnabled(true);
 998        } catch (final IllegalStateException e) {
 999            Toast.makeText(this, R.string.unable_to_enable_video, Toast.LENGTH_SHORT).show();
1000            return;
1001        }
1002        updateInCallButtonConfigurationVideo(true, requireRtpConnection().isCameraSwitchable());
1003    }
1004
1005    private void disableVideo(View view) {
1006        requireRtpConnection().setVideoEnabled(false);
1007        updateInCallButtonConfigurationVideo(false, requireRtpConnection().isCameraSwitchable());
1008    }
1009
1010    @SuppressLint("RestrictedApi")
1011    private void updateInCallButtonConfigurationMicrophone(final boolean microphoneEnabled) {
1012        if (microphoneEnabled) {
1013            this.binding.inCallActionLeft.setImageResource(R.drawable.ic_mic_black_24dp);
1014            this.binding.inCallActionLeft.setOnClickListener(this::disableMicrophone);
1015        } else {
1016            this.binding.inCallActionLeft.setImageResource(R.drawable.ic_mic_off_black_24dp);
1017            this.binding.inCallActionLeft.setOnClickListener(this::enableMicrophone);
1018        }
1019        this.binding.inCallActionLeft.setVisibility(View.VISIBLE);
1020    }
1021
1022    private void updateCallDuration() {
1023        final JingleRtpConnection connection =
1024                this.rtpConnectionReference != null ? this.rtpConnectionReference.get() : null;
1025        if (connection == null || connection.getMedia().contains(Media.VIDEO)) {
1026            this.binding.duration.setVisibility(View.GONE);
1027            return;
1028        }
1029        if (connection.zeroDuration()) {
1030            this.binding.duration.setVisibility(View.GONE);
1031        } else {
1032            this.binding.duration.setText(
1033                    TimeFrameUtils.formatElapsedTime(connection.getCallDuration(), false));
1034            this.binding.duration.setVisibility(View.VISIBLE);
1035        }
1036    }
1037
1038    private void updateVideoViews(final RtpEndUserState state) {
1039        if (END_CARD.contains(state) || state == RtpEndUserState.ENDING_CALL) {
1040            binding.localVideo.setVisibility(View.GONE);
1041            binding.localVideo.release();
1042            binding.remoteVideoWrapper.setVisibility(View.GONE);
1043            binding.remoteVideo.release();
1044            binding.pipLocalMicOffIndicator.setVisibility(View.GONE);
1045            if (isPictureInPicture()) {
1046                binding.appBarLayout.setVisibility(View.GONE);
1047                binding.pipPlaceholder.setVisibility(View.VISIBLE);
1048                if (Arrays.asList(
1049                                RtpEndUserState.APPLICATION_ERROR,
1050                                RtpEndUserState.CONNECTIVITY_ERROR,
1051                                RtpEndUserState.SECURITY_ERROR)
1052                        .contains(state)) {
1053                    binding.pipWarning.setVisibility(View.VISIBLE);
1054                    binding.pipWaiting.setVisibility(View.GONE);
1055                } else {
1056                    binding.pipWarning.setVisibility(View.GONE);
1057                    binding.pipWaiting.setVisibility(View.GONE);
1058                }
1059            } else {
1060                binding.appBarLayout.setVisibility(View.VISIBLE);
1061                binding.pipPlaceholder.setVisibility(View.GONE);
1062            }
1063            getWindow().clearFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);
1064            return;
1065        }
1066        if (isPictureInPicture() && STATES_SHOWING_PIP_PLACEHOLDER.contains(state)) {
1067            binding.localVideo.setVisibility(View.GONE);
1068            binding.remoteVideoWrapper.setVisibility(View.GONE);
1069            binding.appBarLayout.setVisibility(View.GONE);
1070            binding.pipPlaceholder.setVisibility(View.VISIBLE);
1071            binding.pipWarning.setVisibility(View.GONE);
1072            binding.pipWaiting.setVisibility(View.VISIBLE);
1073            binding.pipLocalMicOffIndicator.setVisibility(View.GONE);
1074            return;
1075        }
1076        final Optional<VideoTrack> localVideoTrack = getLocalVideoTrack();
1077        if (localVideoTrack.isPresent() && !isPictureInPicture()) {
1078            ensureSurfaceViewRendererIsSetup(binding.localVideo);
1079            // paint local view over remote view
1080            binding.localVideo.setZOrderMediaOverlay(true);
1081            binding.localVideo.setMirror(requireRtpConnection().isFrontCamera());
1082            addSink(localVideoTrack.get(), binding.localVideo);
1083        } else {
1084            binding.localVideo.setVisibility(View.GONE);
1085        }
1086        final Optional<VideoTrack> remoteVideoTrack = getRemoteVideoTrack();
1087        if (remoteVideoTrack.isPresent()) {
1088            ensureSurfaceViewRendererIsSetup(binding.remoteVideo);
1089            addSink(remoteVideoTrack.get(), binding.remoteVideo);
1090            binding.remoteVideo.setScalingType(
1091                    RendererCommon.ScalingType.SCALE_ASPECT_FILL,
1092                    RendererCommon.ScalingType.SCALE_ASPECT_FIT);
1093            if (state == RtpEndUserState.CONNECTED) {
1094                binding.appBarLayout.setVisibility(View.GONE);
1095                getWindow().addFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);
1096                binding.remoteVideoWrapper.setVisibility(View.VISIBLE);
1097            } else {
1098                binding.appBarLayout.setVisibility(View.VISIBLE);
1099                getWindow().clearFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);
1100                binding.remoteVideoWrapper.setVisibility(View.GONE);
1101            }
1102            if (isPictureInPicture() && !requireRtpConnection().isMicrophoneEnabled()) {
1103                binding.pipLocalMicOffIndicator.setVisibility(View.VISIBLE);
1104            } else {
1105                binding.pipLocalMicOffIndicator.setVisibility(View.GONE);
1106            }
1107        } else {
1108            getWindow().clearFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);
1109            binding.remoteVideoWrapper.setVisibility(View.GONE);
1110            binding.pipLocalMicOffIndicator.setVisibility(View.GONE);
1111        }
1112    }
1113
1114    private Optional<VideoTrack> getLocalVideoTrack() {
1115        final JingleRtpConnection connection =
1116                this.rtpConnectionReference != null ? this.rtpConnectionReference.get() : null;
1117        if (connection == null) {
1118            return Optional.absent();
1119        }
1120        return connection.getLocalVideoTrack();
1121    }
1122
1123    private Optional<VideoTrack> getRemoteVideoTrack() {
1124        final JingleRtpConnection connection =
1125                this.rtpConnectionReference != null ? this.rtpConnectionReference.get() : null;
1126        if (connection == null) {
1127            return Optional.absent();
1128        }
1129        return connection.getRemoteVideoTrack();
1130    }
1131
1132    private void disableMicrophone(View view) {
1133        final JingleRtpConnection rtpConnection = requireRtpConnection();
1134        if (rtpConnection.setMicrophoneEnabled(false)) {
1135            updateInCallButtonConfiguration();
1136        }
1137    }
1138
1139    private void enableMicrophone(View view) {
1140        final JingleRtpConnection rtpConnection = requireRtpConnection();
1141        if (rtpConnection.setMicrophoneEnabled(true)) {
1142            updateInCallButtonConfiguration();
1143        }
1144    }
1145
1146    private void switchToEarpiece(View view) {
1147        requireRtpConnection()
1148                .getAudioManager()
1149                .setDefaultAudioDevice(AppRTCAudioManager.AudioDevice.EARPIECE);
1150        acquireProximityWakeLock();
1151    }
1152
1153    private void switchToSpeaker(View view) {
1154        requireRtpConnection()
1155                .getAudioManager()
1156                .setDefaultAudioDevice(AppRTCAudioManager.AudioDevice.SPEAKER_PHONE);
1157        releaseProximityWakeLock();
1158    }
1159
1160    private void retry(View view) {
1161        final Intent intent = getIntent();
1162        final Account account = extractAccount(intent);
1163        final Jid with = Jid.ofEscaped(intent.getStringExtra(EXTRA_WITH));
1164        final String lastAction = intent.getStringExtra(EXTRA_LAST_ACTION);
1165        final String action = intent.getAction();
1166        final Set<Media> media = actionToMedia(lastAction == null ? action : lastAction);
1167        this.rtpConnectionReference = null;
1168        Log.d(Config.LOGTAG, "attempting retry with " + with.toEscapedString());
1169        proposeJingleRtpSession(account, with, media);
1170    }
1171
1172    private void exit(final View view) {
1173        finish();
1174    }
1175
1176    private void recordVoiceMail(final View view) {
1177        final Intent intent = getIntent();
1178        final Account account = extractAccount(intent);
1179        final Jid with = Jid.ofEscaped(intent.getStringExtra(EXTRA_WITH));
1180        final Conversation conversation =
1181                xmppConnectionService.findOrCreateConversation(account, with, false, true);
1182        final Intent launchIntent = new Intent(this, ConversationsActivity.class);
1183        launchIntent.setAction(ConversationsActivity.ACTION_VIEW_CONVERSATION);
1184        launchIntent.putExtra(ConversationsActivity.EXTRA_CONVERSATION, conversation.getUuid());
1185        launchIntent.setFlags(intent.getFlags() | Intent.FLAG_ACTIVITY_CLEAR_TOP);
1186        launchIntent.putExtra(
1187                ConversationsActivity.EXTRA_POST_INIT_ACTION,
1188                ConversationsActivity.POST_ACTION_RECORD_VOICE);
1189        startActivity(launchIntent);
1190        finish();
1191    }
1192
1193    private Contact getWith() {
1194        final AbstractJingleConnection.Id id = requireRtpConnection().getId();
1195        final Account account = id.account;
1196        return account.getRoster().getContact(id.with);
1197    }
1198
1199    private JingleRtpConnection requireRtpConnection() {
1200        final JingleRtpConnection connection =
1201                this.rtpConnectionReference != null ? this.rtpConnectionReference.get() : null;
1202        if (connection == null) {
1203            throw new IllegalStateException("No RTP connection found");
1204        }
1205        return connection;
1206    }
1207
1208    @Override
1209    public void onJingleRtpConnectionUpdate(
1210            Account account, Jid with, final String sessionId, RtpEndUserState state) {
1211        Log.d(Config.LOGTAG, "onJingleRtpConnectionUpdate(" + state + ")");
1212        if (END_CARD.contains(state)) {
1213            Log.d(Config.LOGTAG, "end card reached");
1214            releaseProximityWakeLock();
1215            runOnUiThread(
1216                    () -> getWindow().clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON));
1217        }
1218        if (with.isBareJid()) {
1219            updateRtpSessionProposalState(account, with, state);
1220            return;
1221        }
1222        if (emptyReference(this.rtpConnectionReference)) {
1223            if (END_CARD.contains(state)) {
1224                Log.d(Config.LOGTAG, "not reinitializing session");
1225                return;
1226            }
1227            // this happens when going from proposed session to actual session
1228            reInitializeActivityWithRunningRtpSession(account, with, sessionId);
1229            return;
1230        }
1231        final AbstractJingleConnection.Id id = requireRtpConnection().getId();
1232        final boolean verified = requireRtpConnection().isVerified();
1233        final Set<Media> media = getMedia();
1234        final Contact contact = getWith();
1235        if (account == id.account && id.with.equals(with) && id.sessionId.equals(sessionId)) {
1236            if (state == RtpEndUserState.ENDED) {
1237                finish();
1238                return;
1239            }
1240            runOnUiThread(
1241                    () -> {
1242                        updateStateDisplay(state, media);
1243                        updateVerifiedShield(
1244                                verified && STATES_SHOWING_SWITCH_TO_CHAT.contains(state));
1245                        updateButtonConfiguration(state, media);
1246                        updateVideoViews(state);
1247                        updateProfilePicture(state, contact);
1248                        invalidateOptionsMenu();
1249                    });
1250            if (END_CARD.contains(state)) {
1251                final JingleRtpConnection rtpConnection = requireRtpConnection();
1252                resetIntent(account, with, state, rtpConnection.getMedia());
1253                releaseVideoTracks(rtpConnection);
1254                this.rtpConnectionReference = null;
1255            }
1256        } else {
1257            Log.d(Config.LOGTAG, "received update for other rtp session");
1258        }
1259    }
1260
1261    @Override
1262    public void onAudioDeviceChanged(
1263            AppRTCAudioManager.AudioDevice selectedAudioDevice,
1264            Set<AppRTCAudioManager.AudioDevice> availableAudioDevices) {
1265        Log.d(
1266                Config.LOGTAG,
1267                "onAudioDeviceChanged in activity: selected:"
1268                        + selectedAudioDevice
1269                        + ", available:"
1270                        + availableAudioDevices);
1271        try {
1272            if (getMedia().contains(Media.VIDEO)) {
1273                Log.d(Config.LOGTAG, "nothing to do; in video mode");
1274                return;
1275            }
1276            final RtpEndUserState endUserState = requireRtpConnection().getEndUserState();
1277            if (endUserState == RtpEndUserState.CONNECTED) {
1278                final AppRTCAudioManager audioManager = requireRtpConnection().getAudioManager();
1279                updateInCallButtonConfigurationSpeaker(
1280                        audioManager.getSelectedAudioDevice(),
1281                        audioManager.getAudioDevices().size());
1282            } else if (END_CARD.contains(endUserState)) {
1283                Log.d(
1284                        Config.LOGTAG,
1285                        "onAudioDeviceChanged() nothing to do because end card has been reached");
1286            } else {
1287                putProximityWakeLockInProperState(selectedAudioDevice);
1288            }
1289        } catch (IllegalStateException e) {
1290            Log.d(Config.LOGTAG, "RTP connection was not available when audio device changed");
1291        }
1292    }
1293
1294    private void updateRtpSessionProposalState(
1295            final Account account, final Jid with, final RtpEndUserState state) {
1296        final Intent currentIntent = getIntent();
1297        final String withExtra =
1298                currentIntent == null ? null : currentIntent.getStringExtra(EXTRA_WITH);
1299        if (withExtra == null) {
1300            return;
1301        }
1302        if (Jid.ofEscaped(withExtra).asBareJid().equals(with)) {
1303            runOnUiThread(
1304                    () -> {
1305                        updateVerifiedShield(false);
1306                        updateStateDisplay(state);
1307                        updateButtonConfiguration(state);
1308                        updateProfilePicture(state);
1309                        invalidateOptionsMenu();
1310                    });
1311            resetIntent(account, with, state, actionToMedia(currentIntent.getAction()));
1312        }
1313    }
1314
1315    private void resetIntent(final Bundle extras) {
1316        final Intent intent = new Intent(Intent.ACTION_VIEW);
1317        intent.putExtras(extras);
1318        setIntent(intent);
1319    }
1320
1321    private void resetIntent(
1322            final Account account, Jid with, final RtpEndUserState state, final Set<Media> media) {
1323        final Intent intent = new Intent(Intent.ACTION_VIEW);
1324        intent.putExtra(EXTRA_ACCOUNT, account.getJid().toEscapedString());
1325        if (account.getRoster()
1326                .getContact(with)
1327                .getPresences()
1328                .anySupport(Namespace.JINGLE_MESSAGE)) {
1329            intent.putExtra(EXTRA_WITH, with.asBareJid().toEscapedString());
1330        } else {
1331            intent.putExtra(EXTRA_WITH, with.toEscapedString());
1332        }
1333        intent.putExtra(EXTRA_LAST_REPORTED_STATE, state.toString());
1334        intent.putExtra(
1335                EXTRA_LAST_ACTION,
1336                media.contains(Media.VIDEO) ? ACTION_MAKE_VIDEO_CALL : ACTION_MAKE_VOICE_CALL);
1337        setIntent(intent);
1338    }
1339
1340    private static boolean emptyReference(final WeakReference<?> weakReference) {
1341        return weakReference == null || weakReference.get() == null;
1342    }
1343}