RtpSessionActivity.java

   1package eu.siacs.conversations.ui;
   2
   3import static eu.siacs.conversations.utils.PermissionUtils.getFirstDenied;
   4
   5import static java.util.Arrays.asList;
   6
   7import android.Manifest;
   8import android.annotation.SuppressLint;
   9import android.app.PictureInPictureParams;
  10import android.content.ActivityNotFoundException;
  11import android.content.Context;
  12import android.content.Intent;
  13import android.content.pm.ActivityInfo;
  14import android.content.pm.PackageManager;
  15import android.opengl.GLException;
  16import android.os.Build;
  17import android.os.Bundle;
  18import android.os.Handler;
  19import android.os.PowerManager;
  20import android.util.Log;
  21import android.util.Rational;
  22import android.view.KeyEvent;
  23import android.view.Menu;
  24import android.view.MenuItem;
  25import android.view.View;
  26import android.view.WindowManager;
  27import android.widget.Toast;
  28
  29import androidx.annotation.NonNull;
  30import androidx.annotation.Nullable;
  31import androidx.annotation.RequiresApi;
  32import androidx.annotation.StringRes;
  33import androidx.databinding.DataBindingUtil;
  34
  35import com.google.common.base.Optional;
  36import com.google.common.base.Preconditions;
  37import com.google.common.base.Throwables;
  38import com.google.common.collect.ImmutableList;
  39import com.google.common.collect.ImmutableSet;
  40import com.google.common.util.concurrent.FutureCallback;
  41import com.google.common.util.concurrent.Futures;
  42
  43import eu.siacs.conversations.Config;
  44import eu.siacs.conversations.R;
  45import eu.siacs.conversations.databinding.ActivityRtpSessionBinding;
  46import eu.siacs.conversations.entities.Account;
  47import eu.siacs.conversations.entities.Contact;
  48import eu.siacs.conversations.entities.Conversation;
  49import eu.siacs.conversations.services.CallIntegration;
  50import eu.siacs.conversations.services.CallIntegrationConnectionService;
  51import eu.siacs.conversations.services.XmppConnectionService;
  52import eu.siacs.conversations.ui.util.AvatarWorkerTask;
  53import eu.siacs.conversations.ui.util.MainThreadExecutor;
  54import eu.siacs.conversations.ui.util.Rationals;
  55import eu.siacs.conversations.utils.PermissionUtils;
  56import eu.siacs.conversations.utils.TimeFrameUtils;
  57import eu.siacs.conversations.xmpp.Jid;
  58import eu.siacs.conversations.xmpp.jingle.AbstractJingleConnection;
  59import eu.siacs.conversations.xmpp.jingle.ContentAddition;
  60import eu.siacs.conversations.xmpp.jingle.JingleConnectionManager;
  61import eu.siacs.conversations.xmpp.jingle.JingleRtpConnection;
  62import eu.siacs.conversations.xmpp.jingle.Media;
  63import eu.siacs.conversations.xmpp.jingle.OngoingRtpSession;
  64import eu.siacs.conversations.xmpp.jingle.RtpCapability;
  65import eu.siacs.conversations.xmpp.jingle.RtpEndUserState;
  66
  67import org.webrtc.RendererCommon;
  68import org.webrtc.SurfaceViewRenderer;
  69import org.webrtc.VideoTrack;
  70
  71import java.lang.ref.WeakReference;
  72import java.util.Arrays;
  73import java.util.Collections;
  74import java.util.List;
  75import java.util.Set;
  76
  77public class RtpSessionActivity extends XmppActivity
  78        implements XmppConnectionService.OnJingleRtpConnectionUpdate,
  79                eu.siacs.conversations.ui.widget.SurfaceViewRenderer.OnAspectRatioChanged {
  80
  81    public static final String EXTRA_WITH = "with";
  82    public static final String EXTRA_SESSION_ID = "session_id";
  83    public static final String EXTRA_LAST_REPORTED_STATE = "last_reported_state";
  84    public static final String EXTRA_LAST_ACTION = "last_action";
  85    public static final String ACTION_ACCEPT_CALL = "action_accept_call";
  86    public static final String ACTION_MAKE_VOICE_CALL = "action_make_voice_call";
  87    public static final String ACTION_MAKE_VIDEO_CALL = "action_make_video_call";
  88
  89    private static final int CALL_DURATION_UPDATE_INTERVAL = 333;
  90
  91    private static final List<RtpEndUserState> END_CARD =
  92            Arrays.asList(
  93                    RtpEndUserState.APPLICATION_ERROR,
  94                    RtpEndUserState.SECURITY_ERROR,
  95                    RtpEndUserState.DECLINED_OR_BUSY,
  96                    RtpEndUserState.CONTACT_OFFLINE,
  97                    RtpEndUserState.CONNECTIVITY_ERROR,
  98                    RtpEndUserState.CONNECTIVITY_LOST_ERROR,
  99                    RtpEndUserState.RETRACTED);
 100    private static final List<RtpEndUserState> STATES_SHOWING_HELP_BUTTON =
 101            Arrays.asList(
 102                    RtpEndUserState.APPLICATION_ERROR,
 103                    RtpEndUserState.CONNECTIVITY_ERROR,
 104                    RtpEndUserState.SECURITY_ERROR);
 105    private static final List<RtpEndUserState> STATES_SHOWING_SWITCH_TO_CHAT =
 106            Arrays.asList(
 107                    RtpEndUserState.CONNECTING,
 108                    RtpEndUserState.CONNECTED,
 109                    RtpEndUserState.RECONNECTING,
 110                    RtpEndUserState.INCOMING_CONTENT_ADD);
 111    private static final List<RtpEndUserState> STATES_CONSIDERED_CONNECTED =
 112            Arrays.asList(RtpEndUserState.CONNECTED, RtpEndUserState.RECONNECTING);
 113    private static final List<RtpEndUserState> STATES_SHOWING_PIP_PLACEHOLDER =
 114            Arrays.asList(
 115                    RtpEndUserState.ACCEPTING_CALL,
 116                    RtpEndUserState.CONNECTING,
 117                    RtpEndUserState.RECONNECTING);
 118    private static final List<RtpEndUserState> STATES_SHOWING_SPEAKER_CONFIGURATION =
 119            new ImmutableList.Builder<RtpEndUserState>()
 120                    .add(RtpEndUserState.FINDING_DEVICE)
 121                    .add(RtpEndUserState.RINGING)
 122                    .add(RtpEndUserState.ACCEPTING_CALL)
 123                    .add(RtpEndUserState.CONNECTING)
 124                    .addAll(STATES_CONSIDERED_CONNECTED)
 125                    .build();
 126    private static final String PROXIMITY_WAKE_LOCK_TAG = "conversations:in-rtp-session";
 127    private static final int REQUEST_ACCEPT_CALL = 0x1111;
 128    private static final int REQUEST_ACCEPT_CONTENT = 0x1112;
 129    private static final int REQUEST_ADD_CONTENT = 0x1113;
 130    private WeakReference<JingleRtpConnection> rtpConnectionReference;
 131
 132    private ActivityRtpSessionBinding binding;
 133    private PowerManager.WakeLock mProximityWakeLock;
 134
 135    private final Handler mHandler = new Handler();
 136    private final Runnable mTickExecutor =
 137            new Runnable() {
 138                @Override
 139                public void run() {
 140                    updateCallDuration();
 141                    mHandler.postDelayed(mTickExecutor, CALL_DURATION_UPDATE_INTERVAL);
 142                }
 143            };
 144
 145    public static Set<Media> actionToMedia(final String action) {
 146        if (ACTION_MAKE_VIDEO_CALL.equals(action)) {
 147            return ImmutableSet.of(Media.AUDIO, Media.VIDEO);
 148        } else if (ACTION_MAKE_VOICE_CALL.equals(action)) {
 149            return ImmutableSet.of(Media.AUDIO);
 150        } else {
 151            Log.w(
 152                    Config.LOGTAG,
 153                    "actionToMedia can not get media set from unknown action " + action);
 154            return Collections.emptySet();
 155        }
 156    }
 157
 158    private static void addSink(
 159            final VideoTrack videoTrack, final SurfaceViewRenderer surfaceViewRenderer) {
 160        try {
 161            videoTrack.addSink(surfaceViewRenderer);
 162        } catch (final IllegalStateException e) {
 163            Log.e(
 164                    Config.LOGTAG,
 165                    "possible race condition on trying to display video track. ignoring",
 166                    e);
 167        }
 168    }
 169
 170    @Override
 171    public void onCreate(Bundle savedInstanceState) {
 172        super.onCreate(savedInstanceState);
 173        getWindow()
 174                .addFlags(
 175                        WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON
 176                                | WindowManager.LayoutParams.FLAG_DISMISS_KEYGUARD
 177                                | WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED
 178                                | WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON);
 179        this.binding = DataBindingUtil.setContentView(this, R.layout.activity_rtp_session);
 180        setSupportActionBar(binding.toolbar);
 181    }
 182
 183    @Override
 184    public boolean onCreateOptionsMenu(final Menu menu) {
 185        getMenuInflater().inflate(R.menu.activity_rtp_session, menu);
 186        final MenuItem help = menu.findItem(R.id.action_help);
 187        final MenuItem gotoChat = menu.findItem(R.id.action_goto_chat);
 188        final MenuItem switchToVideo = menu.findItem(R.id.action_switch_to_video);
 189        help.setVisible(Config.HELP != null && isHelpButtonVisible());
 190        gotoChat.setVisible(isSwitchToConversationVisible());
 191        switchToVideo.setVisible(isSwitchToVideoVisible());
 192        return super.onCreateOptionsMenu(menu);
 193    }
 194
 195    @Override
 196    public boolean onKeyDown(final int keyCode, final KeyEvent event) {
 197        if (keyCode == KeyEvent.KEYCODE_VOLUME_DOWN) {
 198            if (xmppConnectionService != null) {
 199                if (xmppConnectionService.getNotificationService().stopSoundAndVibration()) {
 200                    return true;
 201                }
 202            }
 203        }
 204        return super.onKeyDown(keyCode, event);
 205    }
 206
 207    private boolean isHelpButtonVisible() {
 208        try {
 209            return STATES_SHOWING_HELP_BUTTON.contains(requireRtpConnection().getEndUserState());
 210        } catch (IllegalStateException e) {
 211            final Intent intent = getIntent();
 212            final String state =
 213                    intent != null ? intent.getStringExtra(EXTRA_LAST_REPORTED_STATE) : null;
 214            if (state != null) {
 215                return STATES_SHOWING_HELP_BUTTON.contains(RtpEndUserState.valueOf(state));
 216            } else {
 217                return false;
 218            }
 219        }
 220    }
 221
 222    private boolean isSwitchToConversationVisible() {
 223        final JingleRtpConnection connection =
 224                this.rtpConnectionReference != null ? this.rtpConnectionReference.get() : null;
 225        return connection != null
 226                && STATES_SHOWING_SWITCH_TO_CHAT.contains(connection.getEndUserState());
 227    }
 228
 229    private boolean isSwitchToVideoVisible() {
 230        final JingleRtpConnection connection =
 231                this.rtpConnectionReference != null ? this.rtpConnectionReference.get() : null;
 232        if (connection == null) {
 233            return false;
 234        }
 235        return connection.isSwitchToVideoAvailable();
 236    }
 237
 238    private void switchToConversation() {
 239        final Contact contact = getWith();
 240        final Conversation conversation =
 241                xmppConnectionService.findOrCreateConversation(
 242                        contact.getAccount(), contact.getJid(), false, true);
 243        switchToConversation(conversation);
 244    }
 245
 246    public boolean onOptionsItemSelected(final MenuItem item) {
 247        final var itemItem = item.getItemId();
 248        if (itemItem == R.id.action_help) {
 249            launchHelpInBrowser();
 250            return true;
 251        } else if (itemItem == R.id.action_goto_chat) {
 252            switchToConversation();
 253            return true;
 254        } else if (itemItem == R.id.action_switch_to_video) {
 255            requestPermissionAndSwitchToVideo();
 256            return true;
 257        } else {
 258            return super.onOptionsItemSelected(item);
 259        }
 260    }
 261
 262    private void launchHelpInBrowser() {
 263        final Intent intent = new Intent(Intent.ACTION_VIEW, Config.HELP);
 264        try {
 265            startActivity(intent);
 266        } catch (final ActivityNotFoundException e) {
 267            Toast.makeText(this, R.string.no_application_found_to_open_link, Toast.LENGTH_LONG)
 268                    .show();
 269        }
 270    }
 271
 272    private void endCall(View view) {
 273        endCall();
 274    }
 275
 276    private void endCall() {
 277        if (this.rtpConnectionReference == null) {
 278            retractSessionProposal();
 279            finish();
 280        } else {
 281            requireRtpConnection().endCall();
 282        }
 283    }
 284
 285    private void retractSessionProposal() {
 286        final Intent intent = getIntent();
 287        final String action = intent.getAction();
 288        final String lastAction = intent.getStringExtra(EXTRA_LAST_ACTION);
 289        final Account account = extractAccount(intent);
 290        final Jid with = Jid.ofEscaped(intent.getStringExtra(EXTRA_WITH));
 291        final String state = intent.getStringExtra(EXTRA_LAST_REPORTED_STATE);
 292        if (!Intent.ACTION_VIEW.equals(action)
 293                || state == null
 294                || !END_CARD.contains(RtpEndUserState.valueOf(state))) {
 295            final Set<Media> media = actionToMedia(lastAction == null ? action : lastAction);
 296            resetIntent(account, with, RtpEndUserState.RETRACTED, media);
 297        }
 298        xmppConnectionService
 299                .getJingleConnectionManager()
 300                .retractSessionProposal(account, with.asBareJid());
 301    }
 302
 303    private void rejectCall(View view) {
 304        requireRtpConnection().rejectCall();
 305        finish();
 306    }
 307
 308    private void acceptCall(View view) {
 309        requestPermissionsAndAcceptCall();
 310    }
 311
 312    private void acceptContentAdd() {
 313        try {
 314            requireRtpConnection()
 315                    .acceptContentAdd(requireRtpConnection().getPendingContentAddition().summary);
 316        } catch (final IllegalStateException e) {
 317            Toast.makeText(this, e.getMessage(), Toast.LENGTH_SHORT).show();
 318        }
 319    }
 320
 321    private void requestPermissionAndSwitchToVideo() {
 322        final List<String> permissions = permissions(ImmutableSet.of(Media.VIDEO, Media.AUDIO));
 323        if (PermissionUtils.hasPermission(this, permissions, REQUEST_ADD_CONTENT)) {
 324            switchToVideo();
 325        }
 326    }
 327
 328    private void switchToVideo() {
 329        try {
 330            requireRtpConnection().addMedia(Media.VIDEO);
 331        } catch (final IllegalStateException e) {
 332            Toast.makeText(this, e.getMessage(), Toast.LENGTH_SHORT).show();
 333        }
 334    }
 335
 336    private void acceptContentAdd(final ContentAddition contentAddition) {
 337        if (contentAddition == null
 338                || contentAddition.direction != ContentAddition.Direction.INCOMING) {
 339            Log.d(Config.LOGTAG, "ignore press on content-accept button");
 340            return;
 341        }
 342        requestPermissionAndAcceptContentAdd(contentAddition);
 343    }
 344
 345    private void requestPermissionAndAcceptContentAdd(final ContentAddition contentAddition) {
 346        final List<String> permissions = permissions(contentAddition.media());
 347        if (PermissionUtils.hasPermission(this, permissions, REQUEST_ACCEPT_CONTENT)) {
 348            try {
 349                requireRtpConnection().acceptContentAdd(contentAddition.summary);
 350            } catch (final IllegalStateException e) {
 351                Toast.makeText(this, e.getMessage(), Toast.LENGTH_SHORT).show();
 352            }
 353        }
 354    }
 355
 356    private void rejectContentAdd(final View view) {
 357        requireRtpConnection().rejectContentAdd();
 358    }
 359
 360    private void requestPermissionsAndAcceptCall() {
 361        final List<String> permissions = permissions(getMedia());
 362        if (PermissionUtils.hasPermission(this, permissions, REQUEST_ACCEPT_CALL)) {
 363            putScreenInCallMode();
 364            acceptCall();
 365        }
 366    }
 367
 368    private List<String> permissions(final Set<Media> media) {
 369        final ImmutableList.Builder<String> permissions = ImmutableList.builder();
 370        if (media.contains(Media.VIDEO)) {
 371            permissions.add(Manifest.permission.CAMERA).add(Manifest.permission.RECORD_AUDIO);
 372        } else {
 373            permissions.add(Manifest.permission.RECORD_AUDIO);
 374        }
 375        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
 376            permissions.add(Manifest.permission.BLUETOOTH_CONNECT);
 377        }
 378        return permissions.build();
 379    }
 380
 381    private void acceptCall() {
 382        try {
 383            requireRtpConnection().acceptCall();
 384        } catch (final IllegalStateException e) {
 385            Toast.makeText(this, e.getMessage(), Toast.LENGTH_SHORT).show();
 386        }
 387    }
 388
 389
 390    private void putScreenInCallMode() {
 391        putScreenInCallMode(requireRtpConnection().getMedia());
 392    }
 393
 394    private void putScreenInCallMode(final Set<Media> media) {
 395        getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
 396        if (Media.audioOnly(media)) {
 397            final JingleRtpConnection rtpConnection =
 398                    rtpConnectionReference != null ? rtpConnectionReference.get() : null;
 399            final CallIntegration callIntegration =
 400                    rtpConnection == null ? null : rtpConnection.getCallIntegration();
 401            if (callIntegration == null
 402                    || callIntegration.getSelectedAudioDevice()
 403                            == CallIntegration.AudioDevice.EARPIECE) {
 404                acquireProximityWakeLock();
 405            }
 406        }
 407        lockOrientation(media);
 408    }
 409
 410    private void lockOrientation(final Set<Media> media) {
 411        if (Media.audioOnly(media)) {
 412            setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
 413        } else {
 414            setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED);
 415        }
 416    }
 417
 418    @SuppressLint("WakelockTimeout")
 419    private void acquireProximityWakeLock() {
 420        final PowerManager powerManager = (PowerManager) getSystemService(Context.POWER_SERVICE);
 421        if (powerManager == null) {
 422            Log.e(Config.LOGTAG, "power manager not available");
 423            return;
 424        }
 425        if (isFinishing()) {
 426            Log.e(Config.LOGTAG, "do not acquire wakelock. activity is finishing");
 427            return;
 428        }
 429        if (this.mProximityWakeLock == null) {
 430            this.mProximityWakeLock =
 431                    powerManager.newWakeLock(
 432                            PowerManager.PROXIMITY_SCREEN_OFF_WAKE_LOCK, PROXIMITY_WAKE_LOCK_TAG);
 433        }
 434        if (!this.mProximityWakeLock.isHeld()) {
 435            Log.d(Config.LOGTAG, "acquiring proximity wake lock");
 436            this.mProximityWakeLock.acquire();
 437        }
 438    }
 439
 440    private void releaseProximityWakeLock() {
 441        if (this.mProximityWakeLock != null && mProximityWakeLock.isHeld()) {
 442            Log.d(Config.LOGTAG, "releasing proximity wake lock");
 443            this.mProximityWakeLock.release(PowerManager.RELEASE_FLAG_WAIT_FOR_NO_PROXIMITY);
 444            this.mProximityWakeLock = null;
 445        }
 446    }
 447
 448    private void putProximityWakeLockInProperState(final CallIntegration.AudioDevice audioDevice) {
 449        if (audioDevice == CallIntegration.AudioDevice.EARPIECE) {
 450            acquireProximityWakeLock();
 451        } else {
 452            releaseProximityWakeLock();
 453        }
 454    }
 455
 456    @Override
 457    protected void refreshUiReal() {}
 458
 459    @Override
 460    public void onNewIntent(final Intent intent) {
 461        Log.d(Config.LOGTAG, this.getClass().getName() + ".onNewIntent()");
 462        super.onNewIntent(intent);
 463        setIntent(intent);
 464        if (xmppConnectionService == null) {
 465            Log.d(
 466                    Config.LOGTAG,
 467                    "RtpSessionActivity: background service wasn't bound in onNewIntent()");
 468            return;
 469        }
 470        final Account account = extractAccount(intent);
 471        final String action = intent.getAction();
 472        final Jid with = Jid.ofEscaped(intent.getStringExtra(EXTRA_WITH));
 473        final String sessionId = intent.getStringExtra(EXTRA_SESSION_ID);
 474        if (sessionId != null) {
 475            Log.d(Config.LOGTAG, "reinitializing from onNewIntent()");
 476            if (initializeActivityWithRunningRtpSession(account, with, sessionId)) {
 477                return;
 478            }
 479            if (ACTION_ACCEPT_CALL.equals(intent.getAction())) {
 480                Log.d(Config.LOGTAG, "accepting call from onNewIntent()");
 481                requestPermissionsAndAcceptCall();
 482                resetIntent(intent.getExtras());
 483            }
 484        } else if (asList(ACTION_MAKE_VIDEO_CALL, ACTION_MAKE_VOICE_CALL).contains(action)) {
 485            proposeJingleRtpSession(account, with, actionToMedia(action));
 486            setWith(account.getRoster().getContact(with), null);
 487        } else {
 488            throw new IllegalStateException("received onNewIntent without sessionId");
 489        }
 490    }
 491
 492    @Override
 493    void onBackendConnected() {
 494        final Intent intent = getIntent();
 495        final String action = intent.getAction();
 496        final Account account = extractAccount(intent);
 497        final Jid with = Jid.ofEscaped(intent.getStringExtra(EXTRA_WITH));
 498        final String sessionId = intent.getStringExtra(EXTRA_SESSION_ID);
 499        if (sessionId != null) {
 500            if (initializeActivityWithRunningRtpSession(account, with, sessionId)) {
 501                return;
 502            }
 503            if (ACTION_ACCEPT_CALL.equals(intent.getAction())) {
 504                Log.d(Config.LOGTAG, "intent action was accept");
 505                requestPermissionsAndAcceptCall();
 506                resetIntent(intent.getExtras());
 507            }
 508        } else if (asList(ACTION_MAKE_VIDEO_CALL, ACTION_MAKE_VOICE_CALL).contains(action)) {
 509            proposeJingleRtpSession(account, with, actionToMedia(action));
 510            setWith(account.getRoster().getContact(with), null);
 511        } else if (Intent.ACTION_VIEW.equals(action)) {
 512            final String extraLastState = intent.getStringExtra(EXTRA_LAST_REPORTED_STATE);
 513            final String lastAction = intent.getStringExtra(EXTRA_LAST_ACTION);
 514            final Set<Media> media = actionToMedia(lastAction);
 515            final RtpEndUserState state =
 516                    extraLastState == null ? null : RtpEndUserState.valueOf(extraLastState);
 517            if (state != null) {
 518                Log.d(Config.LOGTAG, "restored last state from intent extra");
 519                updateButtonConfiguration(state);
 520                updateVerifiedShield(false);
 521                updateStateDisplay(state);
 522                updateIncomingCallScreen(state);
 523                invalidateOptionsMenu();
 524            }
 525            setWith(account.getRoster().getContact(with), state);
 526            if (xmppConnectionService
 527                    .getJingleConnectionManager()
 528                    .fireJingleRtpConnectionStateUpdates()) {
 529                return;
 530            }
 531            if (END_CARD.contains(state)) {
 532                return;
 533            }
 534            if (xmppConnectionService
 535                    .getJingleConnectionManager()
 536                    .hasMatchingProposal(account, with)) {
 537                putScreenInCallMode(media);
 538                return;
 539            }
 540            Log.d(Config.LOGTAG, "restored state (" + state + ") was not an end card. finishing");
 541            finish();
 542        }
 543    }
 544
 545    private void setWidth(final RtpEndUserState state) {
 546        setWith(getWith(), state);
 547    }
 548
 549    private void setWith(final Contact contact, final RtpEndUserState state) {
 550        binding.with.setText(contact.getDisplayName());
 551        if (Arrays.asList(RtpEndUserState.INCOMING_CALL, RtpEndUserState.ACCEPTING_CALL)
 552                .contains(state)) {
 553            binding.withJid.setText(contact.getJid().asBareJid().toEscapedString());
 554            binding.withJid.setVisibility(View.VISIBLE);
 555        } else {
 556            binding.withJid.setVisibility(View.GONE);
 557        }
 558    }
 559
 560    private void proposeJingleRtpSession(
 561            final Account account, final Jid with, final Set<Media> media) {
 562        if (with.isBareJid()) {
 563            xmppConnectionService
 564                    .getJingleConnectionManager()
 565                    .proposeJingleRtpSession(account, with, media);
 566        } else {
 567            throw new IllegalStateException(
 568                    "We should not be initializing direct calls from the RtpSessionActivity. Go through CallIntegrationConnectionService.placeCall instead!");
 569        }
 570        putScreenInCallMode(media);
 571    }
 572
 573    @Override
 574    public void onRequestPermissionsResult(
 575            int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
 576        super.onRequestPermissionsResult(requestCode, permissions, grantResults);
 577        final PermissionUtils.PermissionResult permissionResult =
 578                PermissionUtils.removeBluetoothConnect(permissions, grantResults);
 579        if (PermissionUtils.allGranted(permissionResult.grantResults)) {
 580            if (requestCode == REQUEST_ACCEPT_CALL) {
 581                acceptCall();
 582            } else if (requestCode == REQUEST_ACCEPT_CONTENT) {
 583                acceptContentAdd();
 584            } else if (requestCode == REQUEST_ADD_CONTENT) {
 585                switchToVideo();
 586            }
 587        } else {
 588            @StringRes int res;
 589            final String firstDenied =
 590                    getFirstDenied(permissionResult.grantResults, permissionResult.permissions);
 591            if (firstDenied == null) {
 592                return;
 593            }
 594            if (Manifest.permission.RECORD_AUDIO.equals(firstDenied)) {
 595                res = R.string.no_microphone_permission;
 596            } else if (Manifest.permission.CAMERA.equals(firstDenied)) {
 597                res = R.string.no_camera_permission;
 598            } else {
 599                throw new IllegalStateException("Invalid permission result request");
 600            }
 601            Toast.makeText(this, getString(res, getString(R.string.app_name)), Toast.LENGTH_SHORT)
 602                    .show();
 603        }
 604    }
 605
 606    @Override
 607    public void onStart() {
 608        super.onStart();
 609        mHandler.postDelayed(mTickExecutor, CALL_DURATION_UPDATE_INTERVAL);
 610        this.binding.remoteVideo.setOnAspectRatioChanged(this);
 611    }
 612
 613    @Override
 614    public void onStop() {
 615        mHandler.removeCallbacks(mTickExecutor);
 616        binding.remoteVideo.release();
 617        binding.remoteVideo.setOnAspectRatioChanged(null);
 618        binding.localVideo.release();
 619        final WeakReference<JingleRtpConnection> weakReference = this.rtpConnectionReference;
 620        final JingleRtpConnection jingleRtpConnection =
 621                weakReference == null ? null : weakReference.get();
 622        if (jingleRtpConnection != null) {
 623            releaseVideoTracks(jingleRtpConnection);
 624        }
 625        releaseProximityWakeLock();
 626        super.onStop();
 627    }
 628
 629    private void releaseVideoTracks(final JingleRtpConnection jingleRtpConnection) {
 630        final Optional<VideoTrack> remoteVideo = jingleRtpConnection.getRemoteVideoTrack();
 631        if (remoteVideo.isPresent()) {
 632            remoteVideo.get().removeSink(binding.remoteVideo);
 633        }
 634        final Optional<VideoTrack> localVideo = jingleRtpConnection.getLocalVideoTrack();
 635        if (localVideo.isPresent()) {
 636            localVideo.get().removeSink(binding.localVideo);
 637        }
 638    }
 639
 640    @Override
 641    public void onBackPressed() {
 642        if (isConnected()) {
 643            if (switchToPictureInPicture()) {
 644                return;
 645            }
 646        } else {
 647            endCall();
 648        }
 649        super.onBackPressed();
 650    }
 651
 652    @Override
 653    public void onUserLeaveHint() {
 654        super.onUserLeaveHint();
 655        if (switchToPictureInPicture()) {
 656            return;
 657        }
 658        // TODO apparently this method is not getting called on Android 10 when using the task
 659        // switcher
 660        if (emptyReference(rtpConnectionReference) && xmppConnectionService != null) {
 661            retractSessionProposal();
 662        }
 663    }
 664
 665    private boolean isConnected() {
 666        final JingleRtpConnection connection =
 667                this.rtpConnectionReference != null ? this.rtpConnectionReference.get() : null;
 668        final RtpEndUserState endUserState =
 669                connection == null ? null : connection.getEndUserState();
 670        return STATES_CONSIDERED_CONNECTED.contains(endUserState)
 671                || endUserState == RtpEndUserState.INCOMING_CONTENT_ADD;
 672    }
 673
 674    private boolean switchToPictureInPicture() {
 675        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O && deviceSupportsPictureInPicture()) {
 676            if (shouldBePictureInPicture()) {
 677                startPictureInPicture();
 678                return true;
 679            }
 680        }
 681        return false;
 682    }
 683
 684    @RequiresApi(api = Build.VERSION_CODES.O)
 685    private void startPictureInPicture() {
 686        try {
 687            final Rational rational = this.binding.remoteVideo.getAspectRatio();
 688            final Rational clippedRational = Rationals.clip(rational);
 689            Log.d(
 690                    Config.LOGTAG,
 691                    "suggested rational " + rational + ". clipped to " + clippedRational);
 692            enterPictureInPictureMode(
 693                    new PictureInPictureParams.Builder().setAspectRatio(clippedRational).build());
 694        } catch (final IllegalStateException e) {
 695            // this sometimes happens on Samsung phones (possibly when Knox is enabled)
 696            Log.w(Config.LOGTAG, "unable to enter picture in picture mode", e);
 697        }
 698    }
 699
 700    @Override
 701    public void onAspectRatioChanged(final Rational rational) {
 702        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O && isPictureInPicture()) {
 703            final Rational clippedRational = Rationals.clip(rational);
 704            Log.d(
 705                    Config.LOGTAG,
 706                    "suggested rational after aspect ratio change "
 707                            + rational
 708                            + ". clipped to "
 709                            + clippedRational);
 710            setPictureInPictureParams(
 711                    new PictureInPictureParams.Builder().setAspectRatio(clippedRational).build());
 712        }
 713    }
 714
 715    private boolean deviceSupportsPictureInPicture() {
 716        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
 717            return getPackageManager().hasSystemFeature(PackageManager.FEATURE_PICTURE_IN_PICTURE);
 718        } else {
 719            return false;
 720        }
 721    }
 722
 723    private boolean shouldBePictureInPicture() {
 724        try {
 725            final JingleRtpConnection rtpConnection = requireRtpConnection();
 726            return rtpConnection.getMedia().contains(Media.VIDEO)
 727                    && Arrays.asList(
 728                                    RtpEndUserState.ACCEPTING_CALL,
 729                                    RtpEndUserState.CONNECTING,
 730                                    RtpEndUserState.CONNECTED)
 731                            .contains(rtpConnection.getEndUserState());
 732        } catch (final IllegalStateException e) {
 733            return false;
 734        }
 735    }
 736
 737    private boolean initializeActivityWithRunningRtpSession(
 738            final Account account, Jid with, String sessionId) {
 739        final WeakReference<JingleRtpConnection> reference =
 740                xmppConnectionService
 741                        .getJingleConnectionManager()
 742                        .findJingleRtpConnection(account, with, sessionId);
 743        if (reference == null || reference.get() == null) {
 744            final JingleConnectionManager.TerminatedRtpSession terminatedRtpSession =
 745                    xmppConnectionService
 746                            .getJingleConnectionManager()
 747                            .getTerminalSessionState(with, sessionId);
 748            if (terminatedRtpSession == null) {
 749                throw new IllegalStateException(
 750                        "failed to initialize activity with running rtp session. session not found");
 751            }
 752            initializeWithTerminatedSessionState(account, with, terminatedRtpSession);
 753            return true;
 754        }
 755        this.rtpConnectionReference = reference;
 756        final RtpEndUserState currentState = requireRtpConnection().getEndUserState();
 757        final boolean verified = requireRtpConnection().isVerified();
 758        if (currentState == RtpEndUserState.ENDED) {
 759            finish();
 760            return true;
 761        }
 762        final Set<Media> media = getMedia();
 763        final ContentAddition contentAddition = getPendingContentAddition();
 764        if (currentState == RtpEndUserState.INCOMING_CALL) {
 765            getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
 766        }
 767        if (JingleRtpConnection.STATES_SHOWING_ONGOING_CALL.contains(
 768                requireRtpConnection().getState())) {
 769            putScreenInCallMode();
 770        }
 771        setWidth(currentState);
 772        updateVideoViews(currentState);
 773        updateStateDisplay(currentState, media, contentAddition);
 774        updateVerifiedShield(verified && STATES_SHOWING_SWITCH_TO_CHAT.contains(currentState));
 775        updateButtonConfiguration(currentState, media, contentAddition);
 776        updateIncomingCallScreen(currentState);
 777        invalidateOptionsMenu();
 778        return false;
 779    }
 780
 781    private void initializeWithTerminatedSessionState(
 782            final Account account,
 783            final Jid with,
 784            final JingleConnectionManager.TerminatedRtpSession terminatedRtpSession) {
 785        Log.d(Config.LOGTAG, "initializeWithTerminatedSessionState()");
 786        if (terminatedRtpSession.state == RtpEndUserState.ENDED) {
 787            finish();
 788            return;
 789        }
 790        final RtpEndUserState state = terminatedRtpSession.state;
 791        resetIntent(account, with, terminatedRtpSession.state, terminatedRtpSession.media);
 792        updateButtonConfiguration(state);
 793        updateStateDisplay(state);
 794        updateIncomingCallScreen(state);
 795        updateCallDuration();
 796        updateVerifiedShield(false);
 797        invalidateOptionsMenu();
 798        setWith(account.getRoster().getContact(with), state);
 799    }
 800
 801    private void reInitializeActivityWithRunningRtpSession(
 802            final Account account, Jid with, String sessionId) {
 803        runOnUiThread(() -> initializeActivityWithRunningRtpSession(account, with, sessionId));
 804        resetIntent(account, with, sessionId);
 805    }
 806
 807    private void resetIntent(final Account account, final Jid with, final String sessionId) {
 808        final Intent intent = new Intent(Intent.ACTION_VIEW);
 809        intent.putExtra(EXTRA_ACCOUNT, account.getJid().toEscapedString());
 810        intent.putExtra(EXTRA_WITH, with.toEscapedString());
 811        intent.putExtra(EXTRA_SESSION_ID, sessionId);
 812        setIntent(intent);
 813    }
 814
 815    private void ensureSurfaceViewRendererIsSetup(final SurfaceViewRenderer surfaceViewRenderer) {
 816        surfaceViewRenderer.setVisibility(View.VISIBLE);
 817        try {
 818            surfaceViewRenderer.init(requireRtpConnection().getEglBaseContext(), null);
 819        } catch (final IllegalStateException ignored) {
 820            // SurfaceViewRenderer was already initialized
 821        } catch (final RuntimeException e) {
 822            if (Throwables.getRootCause(e) instanceof GLException glException) {
 823                Log.w(Config.LOGTAG, "could not set up hardware renderer", glException);
 824            }
 825        }
 826        surfaceViewRenderer.setEnableHardwareScaler(true);
 827    }
 828
 829    private void updateStateDisplay(final RtpEndUserState state) {
 830        updateStateDisplay(state, Collections.emptySet(), null);
 831    }
 832
 833    private void updateStateDisplay(
 834            final RtpEndUserState state,
 835            final Set<Media> media,
 836            final ContentAddition contentAddition) {
 837        switch (state) {
 838            case INCOMING_CALL -> {
 839                Preconditions.checkArgument(media.size() > 0, "Media must not be empty");
 840                if (media.contains(Media.VIDEO)) {
 841                    setTitle(R.string.rtp_state_incoming_video_call);
 842                } else {
 843                    setTitle(R.string.rtp_state_incoming_call);
 844                }
 845            }
 846            case INCOMING_CONTENT_ADD -> {
 847                if (contentAddition != null && contentAddition.media().contains(Media.VIDEO)) {
 848                    setTitle(R.string.rtp_state_content_add_video);
 849                } else {
 850                    setTitle(R.string.rtp_state_content_add);
 851                }
 852            }
 853            case CONNECTING -> setTitle(R.string.rtp_state_connecting);
 854            case CONNECTED -> setTitle(R.string.rtp_state_connected);
 855            case RECONNECTING -> setTitle(R.string.rtp_state_reconnecting);
 856            case ACCEPTING_CALL -> setTitle(R.string.rtp_state_accepting_call);
 857            case ENDING_CALL -> setTitle(R.string.rtp_state_ending_call);
 858            case FINDING_DEVICE -> setTitle(R.string.rtp_state_finding_device);
 859            case RINGING -> setTitle(R.string.rtp_state_ringing);
 860            case DECLINED_OR_BUSY -> setTitle(R.string.rtp_state_declined_or_busy);
 861            case CONTACT_OFFLINE -> setTitle(R.string.rtp_state_contact_offline);
 862            case CONNECTIVITY_ERROR -> setTitle(R.string.rtp_state_connectivity_error);
 863            case CONNECTIVITY_LOST_ERROR -> setTitle(R.string.rtp_state_connectivity_lost_error);
 864            case RETRACTED -> setTitle(R.string.rtp_state_retracted);
 865            case APPLICATION_ERROR -> setTitle(R.string.rtp_state_application_failure);
 866            case SECURITY_ERROR -> setTitle(R.string.rtp_state_security_error);
 867            case ENDED -> throw new IllegalStateException(
 868                    "Activity should have called finishAndReleaseWakeLock();");
 869            default -> throw new IllegalStateException(
 870                    String.format("State %s has not been handled in UI", state));
 871        }
 872    }
 873
 874    private void updateVerifiedShield(final boolean verified) {
 875        if (isPictureInPicture()) {
 876            this.binding.verified.setVisibility(View.GONE);
 877            return;
 878        }
 879        this.binding.verified.setVisibility(verified ? View.VISIBLE : View.GONE);
 880    }
 881
 882    private void updateIncomingCallScreen(final RtpEndUserState state) {
 883        updateIncomingCallScreen(state, null);
 884    }
 885
 886    private void updateIncomingCallScreen(final RtpEndUserState state, final Contact contact) {
 887        if (state == RtpEndUserState.INCOMING_CALL || state == RtpEndUserState.ACCEPTING_CALL) {
 888            final boolean show = getResources().getBoolean(R.bool.show_avatar_incoming_call);
 889            if (show) {
 890                binding.contactPhoto.setVisibility(View.VISIBLE);
 891                if (contact == null) {
 892                    AvatarWorkerTask.loadAvatar(
 893                            getWith(), binding.contactPhoto, R.dimen.publish_avatar_size);
 894                } else {
 895                    AvatarWorkerTask.loadAvatar(
 896                            contact, binding.contactPhoto, R.dimen.publish_avatar_size);
 897                }
 898            } else {
 899                binding.contactPhoto.setVisibility(View.GONE);
 900            }
 901            final Account account = contact == null ? getWith().getAccount() : contact.getAccount();
 902            binding.usingAccount.setVisibility(View.VISIBLE);
 903            binding.usingAccount.setText(
 904                    getString(
 905                            R.string.using_account,
 906                            account.getJid().asBareJid().toEscapedString()));
 907        } else {
 908            binding.usingAccount.setVisibility(View.GONE);
 909            binding.contactPhoto.setVisibility(View.GONE);
 910        }
 911    }
 912
 913    private Set<Media> getMedia() {
 914        return requireRtpConnection().getMedia();
 915    }
 916
 917    public ContentAddition getPendingContentAddition() {
 918        return requireRtpConnection().getPendingContentAddition();
 919    }
 920
 921    private void updateButtonConfiguration(final RtpEndUserState state) {
 922        updateButtonConfiguration(state, Collections.emptySet(), null);
 923    }
 924
 925    @SuppressLint("RestrictedApi")
 926    private void updateButtonConfiguration(
 927            final RtpEndUserState state,
 928            final Set<Media> media,
 929            final ContentAddition contentAddition) {
 930        if (state == RtpEndUserState.ENDING_CALL || isPictureInPicture()) {
 931            this.binding.rejectCall.setVisibility(View.INVISIBLE);
 932            this.binding.endCall.setVisibility(View.INVISIBLE);
 933            this.binding.acceptCall.setVisibility(View.INVISIBLE);
 934        } else if (state == RtpEndUserState.INCOMING_CALL) {
 935            this.binding.rejectCall.setContentDescription(getString(R.string.dismiss_call));
 936            this.binding.rejectCall.setOnClickListener(this::rejectCall);
 937            this.binding.rejectCall.setImageResource(R.drawable.ic_call_end_white_48dp);
 938            this.binding.rejectCall.setVisibility(View.VISIBLE);
 939            this.binding.endCall.setVisibility(View.INVISIBLE);
 940            this.binding.acceptCall.setContentDescription(getString(R.string.answer_call));
 941            this.binding.acceptCall.setOnClickListener(this::acceptCall);
 942            this.binding.acceptCall.setImageResource(R.drawable.ic_call_white_48dp);
 943            this.binding.acceptCall.setVisibility(View.VISIBLE);
 944        } else if (state == RtpEndUserState.INCOMING_CONTENT_ADD) {
 945            this.binding.rejectCall.setContentDescription(
 946                    getString(R.string.reject_switch_to_video));
 947            this.binding.rejectCall.setOnClickListener(this::rejectContentAdd);
 948            this.binding.rejectCall.setImageResource(R.drawable.ic_clear_white_48dp);
 949            this.binding.rejectCall.setVisibility(View.VISIBLE);
 950            this.binding.endCall.setVisibility(View.INVISIBLE);
 951            this.binding.acceptCall.setContentDescription(getString(R.string.accept));
 952            this.binding.acceptCall.setOnClickListener((v -> acceptContentAdd(contentAddition)));
 953            this.binding.acceptCall.setImageResource(R.drawable.ic_baseline_check_24);
 954            this.binding.acceptCall.setVisibility(View.VISIBLE);
 955        } else if (asList(RtpEndUserState.DECLINED_OR_BUSY, RtpEndUserState.CONTACT_OFFLINE)
 956                .contains(state)) {
 957            this.binding.rejectCall.setContentDescription(getString(R.string.exit));
 958            this.binding.rejectCall.setOnClickListener(this::exit);
 959            this.binding.rejectCall.setImageResource(R.drawable.ic_clear_white_48dp);
 960            this.binding.rejectCall.setVisibility(View.VISIBLE);
 961            this.binding.endCall.setVisibility(View.INVISIBLE);
 962            this.binding.acceptCall.setContentDescription(getString(R.string.record_voice_mail));
 963            this.binding.acceptCall.setOnClickListener(this::recordVoiceMail);
 964            this.binding.acceptCall.setImageResource(R.drawable.ic_voicemail_white_24dp);
 965            this.binding.acceptCall.setVisibility(View.VISIBLE);
 966        } else if (asList(
 967                        RtpEndUserState.CONNECTIVITY_ERROR,
 968                        RtpEndUserState.CONNECTIVITY_LOST_ERROR,
 969                        RtpEndUserState.APPLICATION_ERROR,
 970                        RtpEndUserState.RETRACTED,
 971                        RtpEndUserState.SECURITY_ERROR)
 972                .contains(state)) {
 973            this.binding.rejectCall.setContentDescription(getString(R.string.exit));
 974            this.binding.rejectCall.setOnClickListener(this::exit);
 975            this.binding.rejectCall.setImageResource(R.drawable.ic_clear_white_48dp);
 976            this.binding.rejectCall.setVisibility(View.VISIBLE);
 977            this.binding.endCall.setVisibility(View.INVISIBLE);
 978            this.binding.acceptCall.setContentDescription(getString(R.string.try_again));
 979            this.binding.acceptCall.setOnClickListener(this::retry);
 980            this.binding.acceptCall.setImageResource(R.drawable.ic_replay_white_48dp);
 981            this.binding.acceptCall.setVisibility(View.VISIBLE);
 982        } else {
 983            this.binding.rejectCall.setVisibility(View.INVISIBLE);
 984            this.binding.endCall.setContentDescription(getString(R.string.hang_up));
 985            this.binding.endCall.setOnClickListener(this::endCall);
 986            this.binding.endCall.setImageResource(R.drawable.ic_call_end_white_48dp);
 987            this.binding.endCall.setVisibility(View.VISIBLE);
 988            this.binding.acceptCall.setVisibility(View.INVISIBLE);
 989        }
 990        updateInCallButtonConfiguration(state, media);
 991    }
 992
 993    private boolean isPictureInPicture() {
 994        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
 995            return isInPictureInPictureMode();
 996        } else {
 997            return false;
 998        }
 999    }
1000
1001    private void updateInCallButtonConfiguration() {
1002        updateInCallButtonConfiguration(
1003                requireRtpConnection().getEndUserState(), requireRtpConnection().getMedia());
1004    }
1005
1006    @SuppressLint("RestrictedApi")
1007    private void updateInCallButtonConfiguration(
1008            final RtpEndUserState state, final Set<Media> media) {
1009        if (STATES_CONSIDERED_CONNECTED.contains(state) && !isPictureInPicture()) {
1010            Preconditions.checkArgument(media.size() > 0, "Media must not be empty");
1011            if (media.contains(Media.VIDEO)) {
1012                final JingleRtpConnection rtpConnection = requireRtpConnection();
1013                updateInCallButtonConfigurationVideo(
1014                        rtpConnection.isVideoEnabled(), rtpConnection.isCameraSwitchable());
1015            } else {
1016                final CallIntegration callIntegration = requireRtpConnection().getCallIntegration();
1017                updateInCallButtonConfigurationSpeaker(
1018                        callIntegration.getSelectedAudioDevice(),
1019                        callIntegration.getAudioDevices().size());
1020                this.binding.inCallActionFarRight.setVisibility(View.GONE);
1021            }
1022            if (media.contains(Media.AUDIO)) {
1023                updateInCallButtonConfigurationMicrophone(
1024                        requireRtpConnection().isMicrophoneEnabled());
1025            } else {
1026                this.binding.inCallActionLeft.setVisibility(View.GONE);
1027            }
1028        } else if (STATES_SHOWING_SPEAKER_CONFIGURATION.contains(state)
1029                && !isPictureInPicture()
1030                && Media.audioOnly(media)) {
1031            final CallIntegration callIntegration = requireCallIntegration();
1032            updateInCallButtonConfigurationSpeaker(
1033                    callIntegration.getSelectedAudioDevice(),
1034                    callIntegration.getAudioDevices().size());
1035            this.binding.inCallActionFarRight.setVisibility(View.GONE);
1036        } else {
1037            this.binding.inCallActionLeft.setVisibility(View.GONE);
1038            this.binding.inCallActionRight.setVisibility(View.GONE);
1039            this.binding.inCallActionFarRight.setVisibility(View.GONE);
1040        }
1041    }
1042
1043    @SuppressLint("RestrictedApi")
1044    private void updateInCallButtonConfigurationSpeaker(
1045            final CallIntegration.AudioDevice selectedAudioDevice, final int numberOfChoices) {
1046        switch (selectedAudioDevice) {
1047            case EARPIECE -> {
1048                this.binding.inCallActionRight.setImageResource(
1049                        R.drawable.ic_volume_off_black_24dp);
1050                if (numberOfChoices >= 2) {
1051                    this.binding.inCallActionRight.setOnClickListener(this::switchToSpeaker);
1052                } else {
1053                    this.binding.inCallActionRight.setOnClickListener(null);
1054                    this.binding.inCallActionRight.setClickable(false);
1055                }
1056            }
1057            case WIRED_HEADSET -> {
1058                this.binding.inCallActionRight.setImageResource(R.drawable.ic_headset_black_24dp);
1059                this.binding.inCallActionRight.setOnClickListener(null);
1060                this.binding.inCallActionRight.setClickable(false);
1061            }
1062            case SPEAKER_PHONE -> {
1063                this.binding.inCallActionRight.setImageResource(R.drawable.ic_volume_up_black_24dp);
1064                if (numberOfChoices >= 2) {
1065                    this.binding.inCallActionRight.setOnClickListener(this::switchToEarpiece);
1066                } else {
1067                    this.binding.inCallActionRight.setOnClickListener(null);
1068                    this.binding.inCallActionRight.setClickable(false);
1069                }
1070            }
1071            case BLUETOOTH -> {
1072                this.binding.inCallActionRight.setImageResource(
1073                        R.drawable.ic_bluetooth_audio_black_24dp);
1074                this.binding.inCallActionRight.setOnClickListener(null);
1075                this.binding.inCallActionRight.setClickable(false);
1076            }
1077        }
1078        this.binding.inCallActionRight.setVisibility(View.VISIBLE);
1079    }
1080
1081    @SuppressLint("RestrictedApi")
1082    private void updateInCallButtonConfigurationVideo(
1083            final boolean videoEnabled, final boolean isCameraSwitchable) {
1084        this.binding.inCallActionRight.setVisibility(View.VISIBLE);
1085        if (isCameraSwitchable) {
1086            this.binding.inCallActionFarRight.setImageResource(
1087                    R.drawable.ic_flip_camera_android_black_24dp);
1088            this.binding.inCallActionFarRight.setVisibility(View.VISIBLE);
1089            this.binding.inCallActionFarRight.setOnClickListener(this::switchCamera);
1090        } else {
1091            this.binding.inCallActionFarRight.setVisibility(View.GONE);
1092        }
1093        if (videoEnabled) {
1094            this.binding.inCallActionRight.setImageResource(R.drawable.ic_videocam_black_24dp);
1095            this.binding.inCallActionRight.setOnClickListener(this::disableVideo);
1096        } else {
1097            this.binding.inCallActionRight.setImageResource(R.drawable.ic_videocam_off_black_24dp);
1098            this.binding.inCallActionRight.setOnClickListener(this::enableVideo);
1099        }
1100    }
1101
1102    private void switchCamera(final View view) {
1103        Futures.addCallback(
1104                requireRtpConnection().switchCamera(),
1105                new FutureCallback<>() {
1106                    @Override
1107                    public void onSuccess(@Nullable Boolean isFrontCamera) {
1108                        binding.localVideo.setMirror(Boolean.TRUE.equals(isFrontCamera));
1109                    }
1110
1111                    @Override
1112                    public void onFailure(@NonNull final Throwable throwable) {
1113                        Log.d(
1114                                Config.LOGTAG,
1115                                "could not switch camera",
1116                                Throwables.getRootCause(throwable));
1117                        Toast.makeText(
1118                                        RtpSessionActivity.this,
1119                                        R.string.could_not_switch_camera,
1120                                        Toast.LENGTH_LONG)
1121                                .show();
1122                    }
1123                },
1124                MainThreadExecutor.getInstance());
1125    }
1126
1127    private void enableVideo(View view) {
1128        try {
1129            requireRtpConnection().setVideoEnabled(true);
1130        } catch (final IllegalStateException e) {
1131            Toast.makeText(this, R.string.unable_to_enable_video, Toast.LENGTH_SHORT).show();
1132            return;
1133        }
1134        updateInCallButtonConfigurationVideo(true, requireRtpConnection().isCameraSwitchable());
1135    }
1136
1137    private void disableVideo(View view) {
1138        final JingleRtpConnection rtpConnection = requireRtpConnection();
1139        final ContentAddition pending = rtpConnection.getPendingContentAddition();
1140        if (pending != null && pending.direction == ContentAddition.Direction.OUTGOING) {
1141            rtpConnection.retractContentAdd();
1142            return;
1143        }
1144        requireRtpConnection().setVideoEnabled(false);
1145        updateInCallButtonConfigurationVideo(false, requireRtpConnection().isCameraSwitchable());
1146    }
1147
1148    @SuppressLint("RestrictedApi")
1149    private void updateInCallButtonConfigurationMicrophone(final boolean microphoneEnabled) {
1150        if (microphoneEnabled) {
1151            this.binding.inCallActionLeft.setImageResource(R.drawable.ic_mic_black_24dp);
1152            this.binding.inCallActionLeft.setOnClickListener(this::disableMicrophone);
1153        } else {
1154            this.binding.inCallActionLeft.setImageResource(R.drawable.ic_mic_off_black_24dp);
1155            this.binding.inCallActionLeft.setOnClickListener(this::enableMicrophone);
1156        }
1157        this.binding.inCallActionLeft.setVisibility(View.VISIBLE);
1158    }
1159
1160    private void updateCallDuration() {
1161        final JingleRtpConnection connection =
1162                this.rtpConnectionReference != null ? this.rtpConnectionReference.get() : null;
1163        if (connection == null || connection.getMedia().contains(Media.VIDEO)) {
1164            this.binding.duration.setVisibility(View.GONE);
1165            return;
1166        }
1167        if (connection.zeroDuration()) {
1168            this.binding.duration.setVisibility(View.GONE);
1169        } else {
1170            this.binding.duration.setText(
1171                    TimeFrameUtils.formatElapsedTime(connection.getCallDuration(), false));
1172            this.binding.duration.setVisibility(View.VISIBLE);
1173        }
1174    }
1175
1176    private void updateVideoViews(final RtpEndUserState state) {
1177        if (END_CARD.contains(state) || state == RtpEndUserState.ENDING_CALL) {
1178            binding.localVideo.setVisibility(View.GONE);
1179            binding.localVideo.release();
1180            binding.remoteVideoWrapper.setVisibility(View.GONE);
1181            binding.remoteVideo.release();
1182            binding.pipLocalMicOffIndicator.setVisibility(View.GONE);
1183            if (isPictureInPicture()) {
1184                binding.appBarLayout.setVisibility(View.GONE);
1185                binding.pipPlaceholder.setVisibility(View.VISIBLE);
1186                if (Arrays.asList(
1187                                RtpEndUserState.APPLICATION_ERROR,
1188                                RtpEndUserState.CONNECTIVITY_ERROR,
1189                                RtpEndUserState.SECURITY_ERROR)
1190                        .contains(state)) {
1191                    binding.pipWarning.setVisibility(View.VISIBLE);
1192                    binding.pipWaiting.setVisibility(View.GONE);
1193                } else {
1194                    binding.pipWarning.setVisibility(View.GONE);
1195                    binding.pipWaiting.setVisibility(View.GONE);
1196                }
1197            } else {
1198                binding.appBarLayout.setVisibility(View.VISIBLE);
1199                binding.pipPlaceholder.setVisibility(View.GONE);
1200            }
1201            getWindow().clearFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);
1202            return;
1203        }
1204        if (isPictureInPicture() && STATES_SHOWING_PIP_PLACEHOLDER.contains(state)) {
1205            binding.localVideo.setVisibility(View.GONE);
1206            binding.remoteVideoWrapper.setVisibility(View.GONE);
1207            binding.appBarLayout.setVisibility(View.GONE);
1208            binding.pipPlaceholder.setVisibility(View.VISIBLE);
1209            binding.pipWarning.setVisibility(View.GONE);
1210            binding.pipWaiting.setVisibility(View.VISIBLE);
1211            binding.pipLocalMicOffIndicator.setVisibility(View.GONE);
1212            return;
1213        }
1214        final Optional<VideoTrack> localVideoTrack = getLocalVideoTrack();
1215        if (localVideoTrack.isPresent() && !isPictureInPicture()) {
1216            ensureSurfaceViewRendererIsSetup(binding.localVideo);
1217            // paint local view over remote view
1218            binding.localVideo.setZOrderMediaOverlay(true);
1219            binding.localVideo.setMirror(requireRtpConnection().isFrontCamera());
1220            addSink(localVideoTrack.get(), binding.localVideo);
1221        } else {
1222            binding.localVideo.setVisibility(View.GONE);
1223        }
1224        final Optional<VideoTrack> remoteVideoTrack = getRemoteVideoTrack();
1225        if (remoteVideoTrack.isPresent()) {
1226            ensureSurfaceViewRendererIsSetup(binding.remoteVideo);
1227            addSink(remoteVideoTrack.get(), binding.remoteVideo);
1228            binding.remoteVideo.setScalingType(
1229                    RendererCommon.ScalingType.SCALE_ASPECT_FILL,
1230                    RendererCommon.ScalingType.SCALE_ASPECT_FIT);
1231            if (state == RtpEndUserState.CONNECTED) {
1232                binding.appBarLayout.setVisibility(View.GONE);
1233                getWindow().addFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);
1234                binding.remoteVideoWrapper.setVisibility(View.VISIBLE);
1235            } else {
1236                binding.appBarLayout.setVisibility(View.VISIBLE);
1237                getWindow().clearFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);
1238                binding.remoteVideoWrapper.setVisibility(View.GONE);
1239            }
1240            if (isPictureInPicture() && !requireRtpConnection().isMicrophoneEnabled()) {
1241                binding.pipLocalMicOffIndicator.setVisibility(View.VISIBLE);
1242            } else {
1243                binding.pipLocalMicOffIndicator.setVisibility(View.GONE);
1244            }
1245        } else {
1246            getWindow().clearFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);
1247            binding.remoteVideoWrapper.setVisibility(View.GONE);
1248            binding.pipLocalMicOffIndicator.setVisibility(View.GONE);
1249        }
1250    }
1251
1252    private Optional<VideoTrack> getLocalVideoTrack() {
1253        final JingleRtpConnection connection =
1254                this.rtpConnectionReference != null ? this.rtpConnectionReference.get() : null;
1255        if (connection == null) {
1256            return Optional.absent();
1257        }
1258        return connection.getLocalVideoTrack();
1259    }
1260
1261    private Optional<VideoTrack> getRemoteVideoTrack() {
1262        final JingleRtpConnection connection =
1263                this.rtpConnectionReference != null ? this.rtpConnectionReference.get() : null;
1264        if (connection == null) {
1265            return Optional.absent();
1266        }
1267        return connection.getRemoteVideoTrack();
1268    }
1269
1270    private void disableMicrophone(View view) {
1271        final JingleRtpConnection rtpConnection = requireRtpConnection();
1272        if (rtpConnection.setMicrophoneEnabled(false)) {
1273            updateInCallButtonConfiguration();
1274        }
1275    }
1276
1277    private void enableMicrophone(View view) {
1278        final JingleRtpConnection rtpConnection = requireRtpConnection();
1279        if (rtpConnection.setMicrophoneEnabled(true)) {
1280            updateInCallButtonConfiguration();
1281        }
1282    }
1283
1284    private void switchToEarpiece(final View view) {
1285        requireCallIntegration().setAudioDevice(CallIntegration.AudioDevice.EARPIECE);
1286        acquireProximityWakeLock();
1287    }
1288
1289    private void switchToSpeaker(final View view) {
1290        requireCallIntegration().setAudioDevice(CallIntegration.AudioDevice.SPEAKER_PHONE);
1291        releaseProximityWakeLock();
1292    }
1293
1294    private void retry(final View view) {
1295        final Intent intent = getIntent();
1296        final Account account = extractAccount(intent);
1297        final Jid with = Jid.ofEscaped(intent.getStringExtra(EXTRA_WITH));
1298        final String lastAction = intent.getStringExtra(EXTRA_LAST_ACTION);
1299        final String action = intent.getAction();
1300        final Set<Media> media = actionToMedia(lastAction == null ? action : lastAction);
1301        this.rtpConnectionReference = null;
1302        Log.d(Config.LOGTAG, "attempting retry with " + with.toEscapedString());
1303        CallIntegrationConnectionService.placeCall(xmppConnectionService, account, with, media);
1304    }
1305
1306    private void exit(final View view) {
1307        finish();
1308    }
1309
1310    private void recordVoiceMail(final View view) {
1311        final Intent intent = getIntent();
1312        final Account account = extractAccount(intent);
1313        final Jid with = Jid.ofEscaped(intent.getStringExtra(EXTRA_WITH));
1314        final Conversation conversation =
1315                xmppConnectionService.findOrCreateConversation(account, with, false, true);
1316        final Intent launchIntent = new Intent(this, ConversationsActivity.class);
1317        launchIntent.setAction(ConversationsActivity.ACTION_VIEW_CONVERSATION);
1318        launchIntent.putExtra(ConversationsActivity.EXTRA_CONVERSATION, conversation.getUuid());
1319        launchIntent.setFlags(intent.getFlags() | Intent.FLAG_ACTIVITY_CLEAR_TOP);
1320        launchIntent.putExtra(
1321                ConversationsActivity.EXTRA_POST_INIT_ACTION,
1322                ConversationsActivity.POST_ACTION_RECORD_VOICE);
1323        startActivity(launchIntent);
1324        finish();
1325    }
1326
1327    private Contact getWith() {
1328        final AbstractJingleConnection.Id id = requireRtpConnection().getId();
1329        final Account account = id.account;
1330        return account.getRoster().getContact(id.with);
1331    }
1332
1333    private JingleRtpConnection requireRtpConnection() {
1334        final JingleRtpConnection connection =
1335                this.rtpConnectionReference != null ? this.rtpConnectionReference.get() : null;
1336        if (connection == null) {
1337            throw new IllegalStateException("No RTP connection found");
1338        }
1339        return connection;
1340    }
1341
1342    private CallIntegration requireCallIntegration() {
1343        return requireOngoingRtpSession().getCallIntegration();
1344    }
1345
1346    private OngoingRtpSession requireOngoingRtpSession() {
1347        final JingleRtpConnection connection =
1348                this.rtpConnectionReference != null ? this.rtpConnectionReference.get() : null;
1349        if (connection != null) {
1350            return connection;
1351        }
1352        final Intent currentIntent = getIntent();
1353        final String withExtra =
1354                currentIntent == null ? null : currentIntent.getStringExtra(EXTRA_WITH);
1355        final var account = extractAccount(currentIntent);
1356        if (withExtra == null) {
1357            throw new IllegalStateException("Current intent has no EXTRA_WITH");
1358        }
1359        final var matching =
1360                xmppConnectionService
1361                        .getJingleConnectionManager()
1362                        .matchingProposal(account, Jid.of(withExtra));
1363        if (matching.isPresent()) {
1364            return matching.get();
1365        }
1366        throw new IllegalStateException("No matching session proposal");
1367    }
1368
1369    @Override
1370    public void onJingleRtpConnectionUpdate(
1371            Account account, Jid with, final String sessionId, RtpEndUserState state) {
1372        Log.d(Config.LOGTAG, "onJingleRtpConnectionUpdate(" + state + ")");
1373        if (END_CARD.contains(state)) {
1374            Log.d(Config.LOGTAG, "end card reached");
1375            releaseProximityWakeLock();
1376            runOnUiThread(
1377                    () -> getWindow().clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON));
1378        }
1379        if (with.isBareJid()) {
1380            updateRtpSessionProposalState(account, with, state);
1381            return;
1382        }
1383        if (emptyReference(this.rtpConnectionReference)) {
1384            if (END_CARD.contains(state)) {
1385                Log.d(Config.LOGTAG, "not reinitializing session");
1386                return;
1387            }
1388            // this happens when going from proposed session to actual session
1389            reInitializeActivityWithRunningRtpSession(account, with, sessionId);
1390            return;
1391        }
1392        final AbstractJingleConnection.Id id = requireRtpConnection().getId();
1393        final boolean verified = requireRtpConnection().isVerified();
1394        final Set<Media> media = getMedia();
1395        lockOrientation(media);
1396        final ContentAddition contentAddition = getPendingContentAddition();
1397        final Contact contact = getWith();
1398        if (account == id.account && id.with.equals(with) && id.sessionId.equals(sessionId)) {
1399            if (state == RtpEndUserState.ENDED) {
1400                finish();
1401                return;
1402            }
1403            runOnUiThread(
1404                    () -> {
1405                        updateStateDisplay(state, media, contentAddition);
1406                        updateVerifiedShield(
1407                                verified && STATES_SHOWING_SWITCH_TO_CHAT.contains(state));
1408                        updateButtonConfiguration(state, media, contentAddition);
1409                        updateVideoViews(state);
1410                        updateIncomingCallScreen(state, contact);
1411                        invalidateOptionsMenu();
1412                    });
1413            if (END_CARD.contains(state)) {
1414                final JingleRtpConnection rtpConnection = requireRtpConnection();
1415                resetIntent(account, with, state, rtpConnection.getMedia());
1416                releaseVideoTracks(rtpConnection);
1417                this.rtpConnectionReference = null;
1418            }
1419        } else {
1420            Log.d(Config.LOGTAG, "received update for other rtp session");
1421        }
1422    }
1423
1424    @Override
1425    public void onAudioDeviceChanged(
1426            final CallIntegration.AudioDevice selectedAudioDevice,
1427            final Set<CallIntegration.AudioDevice> availableAudioDevices) {
1428        Log.d(
1429                Config.LOGTAG,
1430                "onAudioDeviceChanged in activity: selected:"
1431                        + selectedAudioDevice
1432                        + ", available:"
1433                        + availableAudioDevices);
1434        try {
1435            final OngoingRtpSession ongoingRtpSession = requireOngoingRtpSession();
1436            final RtpEndUserState endUserState;
1437            if (ongoingRtpSession instanceof JingleRtpConnection jingleRtpConnection) {
1438                endUserState = jingleRtpConnection.getEndUserState();
1439            } else {
1440                // for session proposals all end user states are functionally the same
1441                endUserState = RtpEndUserState.RINGING;
1442            }
1443            final Set<Media> media = ongoingRtpSession.getMedia();
1444            if (END_CARD.contains(endUserState)) {
1445                Log.d(
1446                        Config.LOGTAG,
1447                        "onAudioDeviceChanged() nothing to do because end card has been reached");
1448            } else {
1449                if (Media.audioOnly(media)
1450                        && STATES_SHOWING_SPEAKER_CONFIGURATION.contains(endUserState)) {
1451                    final CallIntegration callIntegration = requireCallIntegration();
1452                    updateInCallButtonConfigurationSpeaker(
1453                            callIntegration.getSelectedAudioDevice(),
1454                            callIntegration.getAudioDevices().size());
1455                }
1456                Log.d(
1457                        Config.LOGTAG,
1458                        "put proximity wake lock into proper state after device update");
1459                putProximityWakeLockInProperState(selectedAudioDevice);
1460            }
1461        } catch (final IllegalStateException e) {
1462            Log.d(Config.LOGTAG, "RTP connection was not available when audio device changed");
1463        }
1464    }
1465
1466    private void updateRtpSessionProposalState(
1467            final Account account, final Jid with, final RtpEndUserState state) {
1468        final Intent currentIntent = getIntent();
1469        final String withExtra =
1470                currentIntent == null ? null : currentIntent.getStringExtra(EXTRA_WITH);
1471        if (withExtra == null) {
1472            return;
1473        }
1474        final Set<Media> media = actionToMedia(currentIntent.getStringExtra(EXTRA_LAST_ACTION));
1475        if (Jid.ofEscaped(withExtra).asBareJid().equals(with)) {
1476            runOnUiThread(
1477                    () -> {
1478                        updateVerifiedShield(false);
1479                        updateStateDisplay(state);
1480                        updateButtonConfiguration(state, media, null);
1481                        updateIncomingCallScreen(state);
1482                        invalidateOptionsMenu();
1483                    });
1484            resetIntent(account, with, state, media);
1485        }
1486    }
1487
1488    private void resetIntent(final Bundle extras) {
1489        final Intent intent = new Intent(Intent.ACTION_VIEW);
1490        intent.putExtras(extras);
1491        setIntent(intent);
1492    }
1493
1494    private void resetIntent(
1495            final Account account, Jid with, final RtpEndUserState state, final Set<Media> media) {
1496        final Intent intent = new Intent(Intent.ACTION_VIEW);
1497        intent.putExtra(EXTRA_ACCOUNT, account.getJid().toEscapedString());
1498        if (RtpCapability.jmiSupport(account.getRoster().getContact(with))) {
1499            intent.putExtra(EXTRA_WITH, with.asBareJid().toEscapedString());
1500        } else {
1501            intent.putExtra(EXTRA_WITH, with.toEscapedString());
1502        }
1503        intent.putExtra(EXTRA_LAST_REPORTED_STATE, state.toString());
1504        intent.putExtra(
1505                EXTRA_LAST_ACTION,
1506                media.contains(Media.VIDEO) ? ACTION_MAKE_VIDEO_CALL : ACTION_MAKE_VOICE_CALL);
1507        setIntent(intent);
1508    }
1509
1510    private static boolean emptyReference(final WeakReference<?> weakReference) {
1511        return weakReference == null || weakReference.get() == null;
1512    }
1513}