XmppActivity.java

   1package eu.siacs.conversations.ui;
   2
   3import android.Manifest;
   4import android.annotation.SuppressLint;
   5import android.annotation.TargetApi;
   6import android.app.PendingIntent;
   7import android.content.ActivityNotFoundException;
   8import android.content.ClipData;
   9import android.content.ClipboardManager;
  10import android.content.ComponentName;
  11import android.content.Context;
  12import android.content.ContextWrapper;
  13import android.content.DialogInterface;
  14import android.content.Intent;
  15import android.content.IntentSender.SendIntentException;
  16import android.content.ServiceConnection;
  17import android.content.SharedPreferences;
  18import android.content.pm.PackageManager;
  19import android.content.pm.ResolveInfo;
  20import android.content.res.Resources;
  21import android.content.res.TypedArray;
  22import android.graphics.Bitmap;
  23import android.graphics.Color;
  24import android.graphics.Point;
  25import android.graphics.drawable.BitmapDrawable;
  26import android.graphics.drawable.Drawable;
  27import android.net.ConnectivityManager;
  28import android.net.Uri;
  29import android.os.AsyncTask;
  30import android.os.Build;
  31import android.os.Bundle;
  32import android.os.Handler;
  33import android.os.IBinder;
  34import android.os.PowerManager;
  35import android.os.SystemClock;
  36import android.preference.PreferenceManager;
  37import android.text.Html;
  38import android.text.InputType;
  39import android.util.DisplayMetrics;
  40import android.util.Log;
  41import android.view.Menu;
  42import android.view.MenuItem;
  43import android.view.View;
  44import android.widget.ImageView;
  45import android.widget.Toast;
  46
  47import androidx.annotation.BoolRes;
  48import androidx.annotation.NonNull;
  49import androidx.annotation.StringRes;
  50import androidx.appcompat.app.AlertDialog;
  51import androidx.appcompat.app.AlertDialog.Builder;
  52import androidx.appcompat.app.AppCompatDelegate;
  53import androidx.databinding.DataBindingUtil;
  54
  55import com.google.common.base.Strings;
  56
  57import java.io.IOException;
  58import java.lang.ref.WeakReference;
  59import java.util.ArrayList;
  60import java.util.List;
  61import java.util.concurrent.RejectedExecutionException;
  62
  63import eu.siacs.conversations.Config;
  64import eu.siacs.conversations.R;
  65import eu.siacs.conversations.crypto.PgpEngine;
  66import eu.siacs.conversations.databinding.DialogQuickeditBinding;
  67import eu.siacs.conversations.entities.Account;
  68import eu.siacs.conversations.entities.Contact;
  69import eu.siacs.conversations.entities.Conversation;
  70import eu.siacs.conversations.entities.Message;
  71import eu.siacs.conversations.entities.Presences;
  72import eu.siacs.conversations.services.AvatarService;
  73import eu.siacs.conversations.services.BarcodeProvider;
  74import eu.siacs.conversations.services.EmojiInitializationService;
  75import eu.siacs.conversations.services.QuickConversationsService;
  76import eu.siacs.conversations.services.XmppConnectionService;
  77import eu.siacs.conversations.services.XmppConnectionService.XmppConnectionBinder;
  78import eu.siacs.conversations.ui.util.MenuDoubleTabUtil;
  79import eu.siacs.conversations.ui.util.PresenceSelector;
  80import eu.siacs.conversations.ui.util.SoftKeyboardUtils;
  81import eu.siacs.conversations.utils.AccountUtils;
  82import eu.siacs.conversations.utils.ExceptionHelper;
  83import eu.siacs.conversations.ui.util.SettingsUtils;
  84import eu.siacs.conversations.utils.ThemeHelper;
  85import eu.siacs.conversations.xmpp.Jid;
  86import eu.siacs.conversations.xmpp.OnKeyStatusUpdated;
  87import eu.siacs.conversations.xmpp.OnUpdateBlocklist;
  88
  89public abstract class XmppActivity extends ActionBarActivity {
  90
  91    public static final String EXTRA_ACCOUNT = "account";
  92    protected static final int REQUEST_ANNOUNCE_PGP = 0x0101;
  93    protected static final int REQUEST_INVITE_TO_CONVERSATION = 0x0102;
  94    protected static final int REQUEST_CHOOSE_PGP_ID = 0x0103;
  95    protected static final int REQUEST_BATTERY_OP = 0x49ff;
  96    public XmppConnectionService xmppConnectionService;
  97    public boolean xmppConnectionServiceBound = false;
  98
  99    protected static final String FRAGMENT_TAG_DIALOG = "dialog";
 100
 101    private boolean isCameraFeatureAvailable = false;
 102
 103    protected int mTheme;
 104    protected boolean mUsingEnterKey = false;
 105    protected boolean mUseTor = false;
 106    protected Toast mToast;
 107    public Runnable onOpenPGPKeyPublished = () -> Toast.makeText(XmppActivity.this, R.string.openpgp_has_been_published, Toast.LENGTH_SHORT).show();
 108    protected ConferenceInvite mPendingConferenceInvite = null;
 109    protected ServiceConnection mConnection = new ServiceConnection() {
 110
 111        @Override
 112        public void onServiceConnected(ComponentName className, IBinder service) {
 113            XmppConnectionBinder binder = (XmppConnectionBinder) service;
 114            xmppConnectionService = binder.getService();
 115            xmppConnectionServiceBound = true;
 116            registerListeners();
 117            onBackendConnected();
 118        }
 119
 120        @Override
 121        public void onServiceDisconnected(ComponentName arg0) {
 122            xmppConnectionServiceBound = false;
 123        }
 124    };
 125    private DisplayMetrics metrics;
 126    private long mLastUiRefresh = 0;
 127    private final Handler mRefreshUiHandler = new Handler();
 128    private final Runnable mRefreshUiRunnable = () -> {
 129        mLastUiRefresh = SystemClock.elapsedRealtime();
 130        refreshUiReal();
 131    };
 132    private final UiCallback<Conversation> adhocCallback = new UiCallback<Conversation>() {
 133        @Override
 134        public void success(final Conversation conversation) {
 135            runOnUiThread(() -> {
 136                switchToConversation(conversation);
 137                hideToast();
 138            });
 139        }
 140
 141        @Override
 142        public void error(final int errorCode, Conversation object) {
 143            runOnUiThread(() -> replaceToast(getString(errorCode)));
 144        }
 145
 146        @Override
 147        public void userInputRequired(PendingIntent pi, Conversation object) {
 148
 149        }
 150    };
 151    public boolean mSkipBackgroundBinding = false;
 152
 153    public static boolean cancelPotentialWork(Message message, ImageView imageView) {
 154        final BitmapWorkerTask bitmapWorkerTask = getBitmapWorkerTask(imageView);
 155
 156        if (bitmapWorkerTask != null) {
 157            final Message oldMessage = bitmapWorkerTask.message;
 158            if (oldMessage == null || message != oldMessage) {
 159                bitmapWorkerTask.cancel(true);
 160            } else {
 161                return false;
 162            }
 163        }
 164        return true;
 165    }
 166
 167    private static BitmapWorkerTask getBitmapWorkerTask(ImageView imageView) {
 168        if (imageView != null) {
 169            final Drawable drawable = imageView.getDrawable();
 170            if (drawable instanceof AsyncDrawable) {
 171                final AsyncDrawable asyncDrawable = (AsyncDrawable) drawable;
 172                return asyncDrawable.getBitmapWorkerTask();
 173            }
 174        }
 175        return null;
 176    }
 177
 178    protected void hideToast() {
 179        if (mToast != null) {
 180            mToast.cancel();
 181        }
 182    }
 183
 184    protected void replaceToast(String msg) {
 185        replaceToast(msg, true);
 186    }
 187
 188    protected void replaceToast(String msg, boolean showlong) {
 189        hideToast();
 190        mToast = Toast.makeText(this, msg, showlong ? Toast.LENGTH_LONG : Toast.LENGTH_SHORT);
 191        mToast.show();
 192    }
 193
 194    protected final void refreshUi() {
 195        final long diff = SystemClock.elapsedRealtime() - mLastUiRefresh;
 196        if (diff > Config.REFRESH_UI_INTERVAL) {
 197            mRefreshUiHandler.removeCallbacks(mRefreshUiRunnable);
 198            runOnUiThread(mRefreshUiRunnable);
 199        } else {
 200            final long next = Config.REFRESH_UI_INTERVAL - diff;
 201            mRefreshUiHandler.removeCallbacks(mRefreshUiRunnable);
 202            mRefreshUiHandler.postDelayed(mRefreshUiRunnable, next);
 203        }
 204    }
 205
 206    abstract protected void refreshUiReal();
 207
 208    @Override
 209    protected void onStart() {
 210        super.onStart();
 211        if (!xmppConnectionServiceBound) {
 212            if (this.mSkipBackgroundBinding) {
 213                Log.d(Config.LOGTAG, "skipping background binding");
 214            } else {
 215                connectToBackend();
 216            }
 217        } else {
 218            this.registerListeners();
 219            this.onBackendConnected();
 220        }
 221        this.mUsingEnterKey = usingEnterKey();
 222        this.mUseTor = useTor();
 223    }
 224
 225    public void connectToBackend() {
 226        Intent intent = new Intent(this, XmppConnectionService.class);
 227        intent.setAction("ui");
 228        try {
 229            startService(intent);
 230        } catch (IllegalStateException e) {
 231            Log.w(Config.LOGTAG, "unable to start service from " + getClass().getSimpleName());
 232        }
 233        bindService(intent, mConnection, Context.BIND_AUTO_CREATE);
 234    }
 235
 236    @Override
 237    protected void onStop() {
 238        super.onStop();
 239        if (xmppConnectionServiceBound) {
 240            this.unregisterListeners();
 241            unbindService(mConnection);
 242            xmppConnectionServiceBound = false;
 243        }
 244    }
 245
 246
 247    public boolean hasPgp() {
 248        return xmppConnectionService.getPgpEngine() != null;
 249    }
 250
 251    public void showInstallPgpDialog() {
 252        Builder builder = new AlertDialog.Builder(this);
 253        builder.setTitle(getString(R.string.openkeychain_required));
 254        builder.setIconAttribute(android.R.attr.alertDialogIcon);
 255        builder.setMessage(Html.fromHtml(getString(R.string.openkeychain_required_long, getString(R.string.app_name))));
 256        builder.setNegativeButton(getString(R.string.cancel), null);
 257        builder.setNeutralButton(getString(R.string.restart),
 258                (dialog, which) -> {
 259                    if (xmppConnectionServiceBound) {
 260                        unbindService(mConnection);
 261                        xmppConnectionServiceBound = false;
 262                    }
 263                    stopService(new Intent(XmppActivity.this,
 264                            XmppConnectionService.class));
 265                    finish();
 266                });
 267        builder.setPositiveButton(getString(R.string.install),
 268                (dialog, which) -> {
 269                    Uri uri = Uri
 270                            .parse("market://details?id=org.sufficientlysecure.keychain");
 271                    Intent marketIntent = new Intent(Intent.ACTION_VIEW,
 272                            uri);
 273                    PackageManager manager = getApplicationContext()
 274                            .getPackageManager();
 275                    List<ResolveInfo> infos = manager
 276                            .queryIntentActivities(marketIntent, 0);
 277                    if (infos.size() > 0) {
 278                        startActivity(marketIntent);
 279                    } else {
 280                        uri = Uri.parse("http://www.openkeychain.org/");
 281                        Intent browserIntent = new Intent(
 282                                Intent.ACTION_VIEW, uri);
 283                        startActivity(browserIntent);
 284                    }
 285                    finish();
 286                });
 287        builder.create().show();
 288    }
 289
 290    abstract void onBackendConnected();
 291
 292    protected void registerListeners() {
 293        if (this instanceof XmppConnectionService.OnConversationUpdate) {
 294            this.xmppConnectionService.setOnConversationListChangedListener((XmppConnectionService.OnConversationUpdate) this);
 295        }
 296        if (this instanceof XmppConnectionService.OnAccountUpdate) {
 297            this.xmppConnectionService.setOnAccountListChangedListener((XmppConnectionService.OnAccountUpdate) this);
 298        }
 299        if (this instanceof XmppConnectionService.OnCaptchaRequested) {
 300            this.xmppConnectionService.setOnCaptchaRequestedListener((XmppConnectionService.OnCaptchaRequested) this);
 301        }
 302        if (this instanceof XmppConnectionService.OnRosterUpdate) {
 303            this.xmppConnectionService.setOnRosterUpdateListener((XmppConnectionService.OnRosterUpdate) this);
 304        }
 305        if (this instanceof XmppConnectionService.OnMucRosterUpdate) {
 306            this.xmppConnectionService.setOnMucRosterUpdateListener((XmppConnectionService.OnMucRosterUpdate) this);
 307        }
 308        if (this instanceof OnUpdateBlocklist) {
 309            this.xmppConnectionService.setOnUpdateBlocklistListener((OnUpdateBlocklist) this);
 310        }
 311        if (this instanceof XmppConnectionService.OnShowErrorToast) {
 312            this.xmppConnectionService.setOnShowErrorToastListener((XmppConnectionService.OnShowErrorToast) this);
 313        }
 314        if (this instanceof OnKeyStatusUpdated) {
 315            this.xmppConnectionService.setOnKeyStatusUpdatedListener((OnKeyStatusUpdated) this);
 316        }
 317        if (this instanceof XmppConnectionService.OnJingleRtpConnectionUpdate) {
 318            this.xmppConnectionService.setOnRtpConnectionUpdateListener((XmppConnectionService.OnJingleRtpConnectionUpdate) this);
 319        }
 320    }
 321
 322    protected void unregisterListeners() {
 323        if (this instanceof XmppConnectionService.OnConversationUpdate) {
 324            this.xmppConnectionService.removeOnConversationListChangedListener((XmppConnectionService.OnConversationUpdate) this);
 325        }
 326        if (this instanceof XmppConnectionService.OnAccountUpdate) {
 327            this.xmppConnectionService.removeOnAccountListChangedListener((XmppConnectionService.OnAccountUpdate) this);
 328        }
 329        if (this instanceof XmppConnectionService.OnCaptchaRequested) {
 330            this.xmppConnectionService.removeOnCaptchaRequestedListener((XmppConnectionService.OnCaptchaRequested) this);
 331        }
 332        if (this instanceof XmppConnectionService.OnRosterUpdate) {
 333            this.xmppConnectionService.removeOnRosterUpdateListener((XmppConnectionService.OnRosterUpdate) this);
 334        }
 335        if (this instanceof XmppConnectionService.OnMucRosterUpdate) {
 336            this.xmppConnectionService.removeOnMucRosterUpdateListener((XmppConnectionService.OnMucRosterUpdate) this);
 337        }
 338        if (this instanceof OnUpdateBlocklist) {
 339            this.xmppConnectionService.removeOnUpdateBlocklistListener((OnUpdateBlocklist) this);
 340        }
 341        if (this instanceof XmppConnectionService.OnShowErrorToast) {
 342            this.xmppConnectionService.removeOnShowErrorToastListener((XmppConnectionService.OnShowErrorToast) this);
 343        }
 344        if (this instanceof OnKeyStatusUpdated) {
 345            this.xmppConnectionService.removeOnNewKeysAvailableListener((OnKeyStatusUpdated) this);
 346        }
 347        if (this instanceof XmppConnectionService.OnJingleRtpConnectionUpdate) {
 348            this.xmppConnectionService.removeRtpConnectionUpdateListener((XmppConnectionService.OnJingleRtpConnectionUpdate) this);
 349        }
 350    }
 351
 352    @Override
 353    public boolean onOptionsItemSelected(final MenuItem item) {
 354        switch (item.getItemId()) {
 355            case R.id.action_settings:
 356                startActivity(new Intent(this, SettingsActivity.class));
 357                break;
 358            case R.id.action_accounts:
 359                AccountUtils.launchManageAccounts(this);
 360                break;
 361            case R.id.action_account:
 362                AccountUtils.launchManageAccount(this);
 363                break;
 364            case android.R.id.home:
 365                finish();
 366                break;
 367            case R.id.action_show_qr_code:
 368                showQrCode();
 369                break;
 370        }
 371        return super.onOptionsItemSelected(item);
 372    }
 373
 374    public void selectPresence(final Conversation conversation, final PresenceSelector.OnPresenceSelected listener) {
 375        final Contact contact = conversation.getContact();
 376        if (contact.showInRoster() || contact.isSelf()) {
 377            final Presences presences = contact.getPresences();
 378            if (presences.size() == 0) {
 379                if (contact.isSelf()) {
 380                    conversation.setNextCounterpart(null);
 381                    listener.onPresenceSelected();
 382                } else if (!contact.getOption(Contact.Options.TO)
 383                        && !contact.getOption(Contact.Options.ASKING)
 384                        && contact.getAccount().getStatus() == Account.State.ONLINE) {
 385                    showAskForPresenceDialog(contact);
 386                } else if (!contact.getOption(Contact.Options.TO)
 387                        || !contact.getOption(Contact.Options.FROM)) {
 388                    PresenceSelector.warnMutualPresenceSubscription(this, conversation, listener);
 389                } else {
 390                    conversation.setNextCounterpart(null);
 391                    listener.onPresenceSelected();
 392                }
 393            } else if (presences.size() == 1) {
 394                final String presence = presences.toResourceArray()[0];
 395                conversation.setNextCounterpart(PresenceSelector.getNextCounterpart(contact, presence));
 396                listener.onPresenceSelected();
 397            } else {
 398                PresenceSelector.showPresenceSelectionDialog(this, conversation, listener);
 399            }
 400        } else {
 401            showAddToRosterDialog(conversation.getContact());
 402        }
 403    }
 404
 405    @SuppressLint("UnsupportedChromeOsCameraSystemFeature")
 406    @Override
 407    protected void onCreate(Bundle savedInstanceState) {
 408        super.onCreate(savedInstanceState);
 409        metrics = getResources().getDisplayMetrics();
 410        ExceptionHelper.init(getApplicationContext());
 411        EmojiInitializationService.execute(this);
 412        this.isCameraFeatureAvailable = getPackageManager().hasSystemFeature(PackageManager.FEATURE_CAMERA_ANY);
 413        this.mTheme = findTheme();
 414        setTheme(this.mTheme);
 415    }
 416
 417    protected boolean isCameraFeatureAvailable() {
 418        return this.isCameraFeatureAvailable;
 419    }
 420
 421    public boolean isDarkTheme() {
 422        return ThemeHelper.isDark(mTheme);
 423    }
 424
 425    public int getThemeResource(int r_attr_name, int r_drawable_def) {
 426        int[] attrs = {r_attr_name};
 427        TypedArray ta = this.getTheme().obtainStyledAttributes(attrs);
 428
 429        int res = ta.getResourceId(0, r_drawable_def);
 430        ta.recycle();
 431
 432        return res;
 433    }
 434
 435    protected boolean isOptimizingBattery() {
 436        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 437            final PowerManager pm = (PowerManager) getSystemService(POWER_SERVICE);
 438            return pm != null
 439                    && !pm.isIgnoringBatteryOptimizations(getPackageName());
 440        } else {
 441            return false;
 442        }
 443    }
 444
 445    protected boolean isAffectedByDataSaver() {
 446        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
 447            final ConnectivityManager cm = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
 448            return cm != null
 449                    && cm.isActiveNetworkMetered()
 450                    && cm.getRestrictBackgroundStatus() == ConnectivityManager.RESTRICT_BACKGROUND_STATUS_ENABLED;
 451        } else {
 452            return false;
 453        }
 454    }
 455
 456    private boolean usingEnterKey() {
 457        return getBooleanPreference("display_enter_key", R.bool.display_enter_key);
 458    }
 459
 460    private boolean useTor() {
 461        return QuickConversationsService.isConversations() && getBooleanPreference("use_tor", R.bool.use_tor);
 462    }
 463
 464    protected SharedPreferences getPreferences() {
 465        return PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
 466    }
 467
 468    protected boolean getBooleanPreference(String name, @BoolRes int res) {
 469        return getPreferences().getBoolean(name, getResources().getBoolean(res));
 470    }
 471
 472    public void switchToConversation(Conversation conversation) {
 473        switchToConversation(conversation, null);
 474    }
 475
 476    public void switchToConversationAndQuote(Conversation conversation, String text) {
 477        switchToConversation(conversation, text, true, null, false, false);
 478    }
 479
 480    public void switchToConversation(Conversation conversation, String text) {
 481        switchToConversation(conversation, text, false, null, false, false);
 482    }
 483
 484    public void switchToConversationDoNotAppend(Conversation conversation, String text) {
 485        switchToConversation(conversation, text, false, null, false, true);
 486    }
 487
 488    public void highlightInMuc(Conversation conversation, String nick) {
 489        switchToConversation(conversation, null, false, nick, false, false);
 490    }
 491
 492    public void privateMsgInMuc(Conversation conversation, String nick) {
 493        switchToConversation(conversation, null, false, nick, true, false);
 494    }
 495
 496    private void switchToConversation(Conversation conversation, String text, boolean asQuote, String nick, boolean pm, boolean doNotAppend) {
 497        Intent intent = new Intent(this, ConversationsActivity.class);
 498        intent.setAction(ConversationsActivity.ACTION_VIEW_CONVERSATION);
 499        intent.putExtra(ConversationsActivity.EXTRA_CONVERSATION, conversation.getUuid());
 500        if (text != null) {
 501            intent.putExtra(Intent.EXTRA_TEXT, text);
 502            if (asQuote) {
 503                intent.putExtra(ConversationsActivity.EXTRA_AS_QUOTE, true);
 504            }
 505        }
 506        if (nick != null) {
 507            intent.putExtra(ConversationsActivity.EXTRA_NICK, nick);
 508            intent.putExtra(ConversationsActivity.EXTRA_IS_PRIVATE_MESSAGE, pm);
 509        }
 510        if (doNotAppend) {
 511            intent.putExtra(ConversationsActivity.EXTRA_DO_NOT_APPEND, true);
 512        }
 513        intent.setFlags(intent.getFlags() | Intent.FLAG_ACTIVITY_CLEAR_TOP);
 514        startActivity(intent);
 515        finish();
 516    }
 517
 518    public void switchToContactDetails(Contact contact) {
 519        switchToContactDetails(contact, null);
 520    }
 521
 522    public void switchToContactDetails(Contact contact, String messageFingerprint) {
 523        Intent intent = new Intent(this, ContactDetailsActivity.class);
 524        intent.setAction(ContactDetailsActivity.ACTION_VIEW_CONTACT);
 525        intent.putExtra(EXTRA_ACCOUNT, contact.getAccount().getJid().asBareJid().toEscapedString());
 526        intent.putExtra("contact", contact.getJid().toEscapedString());
 527        intent.putExtra("fingerprint", messageFingerprint);
 528        startActivity(intent);
 529    }
 530
 531    public void switchToAccount(Account account, String fingerprint) {
 532        switchToAccount(account, false, fingerprint);
 533    }
 534
 535    public void switchToAccount(Account account) {
 536        switchToAccount(account, false, null);
 537    }
 538
 539    public void switchToAccount(Account account, boolean init, String fingerprint) {
 540        Intent intent = new Intent(this, EditAccountActivity.class);
 541        intent.putExtra("jid", account.getJid().asBareJid().toEscapedString());
 542        intent.putExtra("init", init);
 543        if (init) {
 544            intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK | Intent.FLAG_ACTIVITY_NO_ANIMATION);
 545        }
 546        if (fingerprint != null) {
 547            intent.putExtra("fingerprint", fingerprint);
 548        }
 549        startActivity(intent);
 550        if (init) {
 551            overridePendingTransition(0, 0);
 552        }
 553    }
 554
 555    protected void delegateUriPermissionsToService(Uri uri) {
 556        Intent intent = new Intent(this, XmppConnectionService.class);
 557        intent.setAction(Intent.ACTION_SEND);
 558        intent.setData(uri);
 559        intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
 560        try {
 561            startService(intent);
 562        } catch (Exception e) {
 563            Log.e(Config.LOGTAG, "unable to delegate uri permission", e);
 564        }
 565    }
 566
 567    protected void inviteToConversation(Conversation conversation) {
 568        startActivityForResult(ChooseContactActivity.create(this, conversation), REQUEST_INVITE_TO_CONVERSATION);
 569    }
 570
 571    protected void announcePgp(final Account account, final Conversation conversation, Intent intent, final Runnable onSuccess) {
 572        if (account.getPgpId() == 0) {
 573            choosePgpSignId(account);
 574        } else {
 575            final String status = Strings.nullToEmpty(account.getPresenceStatusMessage());
 576            xmppConnectionService.getPgpEngine().generateSignature(intent, account, status, new UiCallback<String>() {
 577
 578                @Override
 579                public void userInputRequired(PendingIntent pi, String signature) {
 580                    try {
 581                        startIntentSenderForResult(pi.getIntentSender(), REQUEST_ANNOUNCE_PGP, null, 0, 0, 0);
 582                    } catch (final SendIntentException ignored) {
 583                    }
 584                }
 585
 586                @Override
 587                public void success(String signature) {
 588                    account.setPgpSignature(signature);
 589                    xmppConnectionService.databaseBackend.updateAccount(account);
 590                    xmppConnectionService.sendPresence(account);
 591                    if (conversation != null) {
 592                        conversation.setNextEncryption(Message.ENCRYPTION_PGP);
 593                        xmppConnectionService.updateConversation(conversation);
 594                        refreshUi();
 595                    }
 596                    if (onSuccess != null) {
 597                        runOnUiThread(onSuccess);
 598                    }
 599                }
 600
 601                @Override
 602                public void error(int error, String signature) {
 603                    if (error == 0) {
 604                        account.setPgpSignId(0);
 605                        account.unsetPgpSignature();
 606                        xmppConnectionService.databaseBackend.updateAccount(account);
 607                        choosePgpSignId(account);
 608                    } else {
 609                        displayErrorDialog(error);
 610                    }
 611                }
 612            });
 613        }
 614    }
 615
 616    @SuppressWarnings("deprecation")
 617    @TargetApi(Build.VERSION_CODES.JELLY_BEAN)
 618    protected void setListItemBackgroundOnView(View view) {
 619        int sdk = android.os.Build.VERSION.SDK_INT;
 620        if (sdk < android.os.Build.VERSION_CODES.JELLY_BEAN) {
 621            view.setBackgroundDrawable(getResources().getDrawable(R.drawable.greybackground));
 622        } else {
 623            view.setBackground(getResources().getDrawable(R.drawable.greybackground));
 624        }
 625    }
 626
 627    protected void choosePgpSignId(Account account) {
 628        xmppConnectionService.getPgpEngine().chooseKey(account, new UiCallback<Account>() {
 629            @Override
 630            public void success(Account account1) {
 631            }
 632
 633            @Override
 634            public void error(int errorCode, Account object) {
 635
 636            }
 637
 638            @Override
 639            public void userInputRequired(PendingIntent pi, Account object) {
 640                try {
 641                    startIntentSenderForResult(pi.getIntentSender(),
 642                            REQUEST_CHOOSE_PGP_ID, null, 0, 0, 0);
 643                } catch (final SendIntentException ignored) {
 644                }
 645            }
 646        });
 647    }
 648
 649    protected void displayErrorDialog(final int errorCode) {
 650        runOnUiThread(() -> {
 651            Builder builder = new Builder(XmppActivity.this);
 652            builder.setIconAttribute(android.R.attr.alertDialogIcon);
 653            builder.setTitle(getString(R.string.error));
 654            builder.setMessage(errorCode);
 655            builder.setNeutralButton(R.string.accept, null);
 656            builder.create().show();
 657        });
 658
 659    }
 660
 661    protected void showAddToRosterDialog(final Contact contact) {
 662        AlertDialog.Builder builder = new AlertDialog.Builder(this);
 663        builder.setTitle(contact.getJid().toString());
 664        builder.setMessage(getString(R.string.not_in_roster));
 665        builder.setNegativeButton(getString(R.string.cancel), null);
 666        builder.setPositiveButton(getString(R.string.add_contact), (dialog, which) -> xmppConnectionService.createContact(contact, true));
 667        builder.create().show();
 668    }
 669
 670    private void showAskForPresenceDialog(final Contact contact) {
 671        AlertDialog.Builder builder = new AlertDialog.Builder(this);
 672        builder.setTitle(contact.getJid().toString());
 673        builder.setMessage(R.string.request_presence_updates);
 674        builder.setNegativeButton(R.string.cancel, null);
 675        builder.setPositiveButton(R.string.request_now,
 676                (dialog, which) -> {
 677                    if (xmppConnectionServiceBound) {
 678                        xmppConnectionService.sendPresencePacket(contact
 679                                .getAccount(), xmppConnectionService
 680                                .getPresenceGenerator()
 681                                .requestPresenceUpdatesFrom(contact));
 682                    }
 683                });
 684        builder.create().show();
 685    }
 686
 687    protected void quickEdit(String previousValue, @StringRes int hint, OnValueEdited callback) {
 688        quickEdit(previousValue, callback, hint, false, false);
 689    }
 690
 691    protected void quickEdit(String previousValue, @StringRes int hint, OnValueEdited callback, boolean permitEmpty) {
 692        quickEdit(previousValue, callback, hint, false, permitEmpty);
 693    }
 694
 695    protected void quickPasswordEdit(String previousValue, OnValueEdited callback) {
 696        quickEdit(previousValue, callback, R.string.password, true, false);
 697    }
 698
 699    @SuppressLint("InflateParams")
 700    private void quickEdit(final String previousValue,
 701                           final OnValueEdited callback,
 702                           final @StringRes int hint,
 703                           boolean password,
 704                           boolean permitEmpty) {
 705        AlertDialog.Builder builder = new AlertDialog.Builder(this);
 706        DialogQuickeditBinding binding = DataBindingUtil.inflate(getLayoutInflater(), R.layout.dialog_quickedit, null, false);
 707        if (password) {
 708            binding.inputEditText.setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_PASSWORD);
 709        }
 710        builder.setPositiveButton(R.string.accept, null);
 711        if (hint != 0) {
 712            binding.inputLayout.setHint(getString(hint));
 713        }
 714        binding.inputEditText.requestFocus();
 715        if (previousValue != null) {
 716            binding.inputEditText.getText().append(previousValue);
 717        }
 718        builder.setView(binding.getRoot());
 719        builder.setNegativeButton(R.string.cancel, null);
 720        final AlertDialog dialog = builder.create();
 721        dialog.setOnShowListener(d -> SoftKeyboardUtils.showKeyboard(binding.inputEditText));
 722        dialog.show();
 723        View.OnClickListener clickListener = v -> {
 724            String value = binding.inputEditText.getText().toString();
 725            if (!value.equals(previousValue) && (!value.trim().isEmpty() || permitEmpty)) {
 726                String error = callback.onValueEdited(value);
 727                if (error != null) {
 728                    binding.inputLayout.setError(error);
 729                    return;
 730                }
 731            }
 732            SoftKeyboardUtils.hideSoftKeyboard(binding.inputEditText);
 733            dialog.dismiss();
 734        };
 735        dialog.getButton(DialogInterface.BUTTON_POSITIVE).setOnClickListener(clickListener);
 736        dialog.getButton(DialogInterface.BUTTON_NEGATIVE).setOnClickListener((v -> {
 737            SoftKeyboardUtils.hideSoftKeyboard(binding.inputEditText);
 738            dialog.dismiss();
 739        }));
 740        dialog.setCanceledOnTouchOutside(false);
 741        dialog.setOnDismissListener(dialog1 -> {
 742            SoftKeyboardUtils.hideSoftKeyboard(binding.inputEditText);
 743        });
 744    }
 745
 746    protected boolean hasStoragePermission(int requestCode) {
 747        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 748            if (checkSelfPermission(Manifest.permission.WRITE_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED) {
 749                requestPermissions(new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE}, requestCode);
 750                return false;
 751            } else {
 752                return true;
 753            }
 754        } else {
 755            return true;
 756        }
 757    }
 758
 759    protected void onActivityResult(int requestCode, int resultCode, final Intent data) {
 760        super.onActivityResult(requestCode, resultCode, data);
 761        if (requestCode == REQUEST_INVITE_TO_CONVERSATION && resultCode == RESULT_OK) {
 762            mPendingConferenceInvite = ConferenceInvite.parse(data);
 763            if (xmppConnectionServiceBound && mPendingConferenceInvite != null) {
 764                if (mPendingConferenceInvite.execute(this)) {
 765                    mToast = Toast.makeText(this, R.string.creating_conference, Toast.LENGTH_LONG);
 766                    mToast.show();
 767                }
 768                mPendingConferenceInvite = null;
 769            }
 770        }
 771    }
 772
 773    public boolean copyTextToClipboard(String text, int labelResId) {
 774        ClipboardManager mClipBoardManager = (ClipboardManager) getSystemService(CLIPBOARD_SERVICE);
 775        String label = getResources().getString(labelResId);
 776        if (mClipBoardManager != null) {
 777            ClipData mClipData = ClipData.newPlainText(label, text);
 778            mClipBoardManager.setPrimaryClip(mClipData);
 779            return true;
 780        }
 781        return false;
 782    }
 783
 784    protected boolean manuallyChangePresence() {
 785        return getBooleanPreference(SettingsActivity.MANUALLY_CHANGE_PRESENCE, R.bool.manually_change_presence);
 786    }
 787
 788    protected String getShareableUri() {
 789        return getShareableUri(false);
 790    }
 791
 792    protected String getShareableUri(boolean http) {
 793        return null;
 794    }
 795
 796    protected void shareLink(boolean http) {
 797        String uri = getShareableUri(http);
 798        if (uri == null || uri.isEmpty()) {
 799            return;
 800        }
 801        Intent intent = new Intent(Intent.ACTION_SEND);
 802        intent.setType("text/plain");
 803        intent.putExtra(Intent.EXTRA_TEXT, getShareableUri(http));
 804        try {
 805            startActivity(Intent.createChooser(intent, getText(R.string.share_uri_with)));
 806        } catch (ActivityNotFoundException e) {
 807            Toast.makeText(this, R.string.no_application_to_share_uri, Toast.LENGTH_SHORT).show();
 808        }
 809    }
 810
 811    protected void launchOpenKeyChain(long keyId) {
 812        PgpEngine pgp = XmppActivity.this.xmppConnectionService.getPgpEngine();
 813        try {
 814            startIntentSenderForResult(
 815                    pgp.getIntentForKey(keyId).getIntentSender(), 0, null, 0,
 816                    0, 0);
 817        } catch (Throwable e) {
 818            Toast.makeText(XmppActivity.this, R.string.openpgp_error, Toast.LENGTH_SHORT).show();
 819        }
 820    }
 821
 822    @Override
 823    protected void onResume(){
 824        super.onResume();
 825        SettingsUtils.applyScreenshotPreventionSetting(this);
 826    }
 827
 828    protected int findTheme() {
 829        return ThemeHelper.find(this);
 830    }
 831
 832    @Override
 833    public void onPause() {
 834        super.onPause();
 835    }
 836
 837    @Override
 838    public boolean onMenuOpened(int id, Menu menu) {
 839        if (id == AppCompatDelegate.FEATURE_SUPPORT_ACTION_BAR && menu != null) {
 840            MenuDoubleTabUtil.recordMenuOpen();
 841        }
 842        return super.onMenuOpened(id, menu);
 843    }
 844
 845    protected void showQrCode() {
 846        showQrCode(getShareableUri());
 847    }
 848
 849    protected void showQrCode(final String uri) {
 850        if (uri == null || uri.isEmpty()) {
 851            return;
 852        }
 853        Point size = new Point();
 854        getWindowManager().getDefaultDisplay().getSize(size);
 855        final int width = (size.x < size.y ? size.x : size.y);
 856        Bitmap bitmap = BarcodeProvider.create2dBarcodeBitmap(uri, width);
 857        ImageView view = new ImageView(this);
 858        view.setBackgroundColor(Color.WHITE);
 859        view.setImageBitmap(bitmap);
 860        AlertDialog.Builder builder = new AlertDialog.Builder(this);
 861        builder.setView(view);
 862        builder.create().show();
 863    }
 864
 865    protected Account extractAccount(Intent intent) {
 866        final String jid = intent != null ? intent.getStringExtra(EXTRA_ACCOUNT) : null;
 867        try {
 868            return jid != null ? xmppConnectionService.findAccountByJid(Jid.ofEscaped(jid)) : null;
 869        } catch (IllegalArgumentException e) {
 870            return null;
 871        }
 872    }
 873
 874    public AvatarService avatarService() {
 875        return xmppConnectionService.getAvatarService();
 876    }
 877
 878    public void loadBitmap(Message message, ImageView imageView) {
 879        Bitmap bm;
 880        try {
 881            bm = xmppConnectionService.getFileBackend().getThumbnail(message, (int) (metrics.density * 288), true);
 882        } catch (IOException e) {
 883            bm = null;
 884        }
 885        if (bm != null) {
 886            cancelPotentialWork(message, imageView);
 887            imageView.setImageBitmap(bm);
 888            imageView.setBackgroundColor(0x00000000);
 889        } else {
 890            if (cancelPotentialWork(message, imageView)) {
 891                imageView.setBackgroundColor(0xff333333);
 892                imageView.setImageDrawable(null);
 893                final BitmapWorkerTask task = new BitmapWorkerTask(imageView);
 894                final AsyncDrawable asyncDrawable = new AsyncDrawable(
 895                        getResources(), null, task);
 896                imageView.setImageDrawable(asyncDrawable);
 897                try {
 898                    task.execute(message);
 899                } catch (final RejectedExecutionException ignored) {
 900                    ignored.printStackTrace();
 901                }
 902            }
 903        }
 904    }
 905
 906    protected interface OnValueEdited {
 907        String onValueEdited(String value);
 908    }
 909
 910    public static class ConferenceInvite {
 911        private String uuid;
 912        private final List<Jid> jids = new ArrayList<>();
 913
 914        public static ConferenceInvite parse(Intent data) {
 915            ConferenceInvite invite = new ConferenceInvite();
 916            invite.uuid = data.getStringExtra(ChooseContactActivity.EXTRA_CONVERSATION);
 917            if (invite.uuid == null) {
 918                return null;
 919            }
 920            invite.jids.addAll(ChooseContactActivity.extractJabberIds(data));
 921            return invite;
 922        }
 923
 924        public boolean execute(XmppActivity activity) {
 925            XmppConnectionService service = activity.xmppConnectionService;
 926            Conversation conversation = service.findConversationByUuid(this.uuid);
 927            if (conversation == null) {
 928                return false;
 929            }
 930            if (conversation.getMode() == Conversation.MODE_MULTI) {
 931                for (Jid jid : jids) {
 932                    service.invite(conversation, jid);
 933                }
 934                return false;
 935            } else {
 936                jids.add(conversation.getJid().asBareJid());
 937                return service.createAdhocConference(conversation.getAccount(), null, jids, activity.adhocCallback);
 938            }
 939        }
 940    }
 941
 942    static class BitmapWorkerTask extends AsyncTask<Message, Void, Bitmap> {
 943        private final WeakReference<ImageView> imageViewReference;
 944        private Message message = null;
 945
 946        private BitmapWorkerTask(ImageView imageView) {
 947            this.imageViewReference = new WeakReference<>(imageView);
 948        }
 949
 950        @Override
 951        protected Bitmap doInBackground(Message... params) {
 952            if (isCancelled()) {
 953                return null;
 954            }
 955            message = params[0];
 956            try {
 957                final XmppActivity activity = find(imageViewReference);
 958                if (activity != null && activity.xmppConnectionService != null) {
 959                    return activity.xmppConnectionService.getFileBackend().getThumbnail(message, (int) (activity.metrics.density * 288), false);
 960                } else {
 961                    return null;
 962                }
 963            } catch (IOException e) {
 964                return null;
 965            }
 966        }
 967
 968        @Override
 969        protected void onPostExecute(final Bitmap bitmap) {
 970            if (!isCancelled()) {
 971                final ImageView imageView = imageViewReference.get();
 972                if (imageView != null) {
 973                    imageView.setImageBitmap(bitmap);
 974                    imageView.setBackgroundColor(bitmap == null ? 0xff333333 : 0x00000000);
 975                }
 976            }
 977        }
 978    }
 979
 980    private static class AsyncDrawable extends BitmapDrawable {
 981        private final WeakReference<BitmapWorkerTask> bitmapWorkerTaskReference;
 982
 983        private AsyncDrawable(Resources res, Bitmap bitmap, BitmapWorkerTask bitmapWorkerTask) {
 984            super(res, bitmap);
 985            bitmapWorkerTaskReference = new WeakReference<>(bitmapWorkerTask);
 986        }
 987
 988        private BitmapWorkerTask getBitmapWorkerTask() {
 989            return bitmapWorkerTaskReference.get();
 990        }
 991    }
 992
 993    public static XmppActivity find(@NonNull WeakReference<ImageView> viewWeakReference) {
 994        final View view = viewWeakReference.get();
 995        return view == null ? null : find(view);
 996    }
 997
 998    public static XmppActivity find(@NonNull final View view) {
 999        Context context = view.getContext();
1000        while (context instanceof ContextWrapper) {
1001            if (context instanceof XmppActivity) {
1002                return (XmppActivity) context;
1003            }
1004            context = ((ContextWrapper) context).getBaseContext();
1005        }
1006        return null;
1007    }
1008}