RtpSessionActivity.java

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