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.InputType;
  38import android.util.DisplayMetrics;
  39import android.util.Log;
  40import android.view.Menu;
  41import android.view.MenuItem;
  42import android.view.View;
  43import android.widget.ImageView;
  44import android.widget.Toast;
  45
  46import androidx.annotation.BoolRes;
  47import androidx.annotation.NonNull;
  48import androidx.annotation.StringRes;
  49import androidx.appcompat.app.AlertDialog;
  50import androidx.appcompat.app.AlertDialog.Builder;
  51import androidx.appcompat.app.AppCompatDelegate;
  52import androidx.databinding.DataBindingUtil;
  53
  54import java.io.IOException;
  55import java.lang.ref.WeakReference;
  56import java.util.ArrayList;
  57import java.util.List;
  58import java.util.concurrent.RejectedExecutionException;
  59
  60import eu.siacs.conversations.Config;
  61import eu.siacs.conversations.R;
  62import eu.siacs.conversations.crypto.PgpEngine;
  63import eu.siacs.conversations.databinding.DialogQuickeditBinding;
  64import eu.siacs.conversations.entities.Account;
  65import eu.siacs.conversations.entities.Contact;
  66import eu.siacs.conversations.entities.Conversation;
  67import eu.siacs.conversations.entities.Message;
  68import eu.siacs.conversations.entities.Presences;
  69import eu.siacs.conversations.services.AvatarService;
  70import eu.siacs.conversations.services.BarcodeProvider;
  71import eu.siacs.conversations.services.QuickConversationsService;
  72import eu.siacs.conversations.services.XmppConnectionService;
  73import eu.siacs.conversations.services.XmppConnectionService.XmppConnectionBinder;
  74import eu.siacs.conversations.ui.service.EmojiService;
  75import eu.siacs.conversations.ui.util.MenuDoubleTabUtil;
  76import eu.siacs.conversations.ui.util.PresenceSelector;
  77import eu.siacs.conversations.ui.util.SoftKeyboardUtils;
  78import eu.siacs.conversations.utils.AccountUtils;
  79import eu.siacs.conversations.utils.ExceptionHelper;
  80import eu.siacs.conversations.utils.ThemeHelper;
  81import eu.siacs.conversations.xmpp.Jid;
  82import eu.siacs.conversations.xmpp.OnKeyStatusUpdated;
  83import eu.siacs.conversations.xmpp.OnUpdateBlocklist;
  84
  85public abstract class XmppActivity extends ActionBarActivity {
  86
  87    public static final String EXTRA_ACCOUNT = "account";
  88    protected static final int REQUEST_ANNOUNCE_PGP = 0x0101;
  89    protected static final int REQUEST_INVITE_TO_CONVERSATION = 0x0102;
  90    protected static final int REQUEST_CHOOSE_PGP_ID = 0x0103;
  91    protected static final int REQUEST_BATTERY_OP = 0x49ff;
  92    public XmppConnectionService xmppConnectionService;
  93    public boolean xmppConnectionServiceBound = false;
  94
  95    protected static final String FRAGMENT_TAG_DIALOG = "dialog";
  96
  97    private boolean isCameraFeatureAvailable = false;
  98
  99    protected int mTheme;
 100    protected boolean mUsingEnterKey = false;
 101    protected boolean mUseTor = false;
 102    protected Toast mToast;
 103    public Runnable onOpenPGPKeyPublished = () -> Toast.makeText(XmppActivity.this, R.string.openpgp_has_been_published, Toast.LENGTH_SHORT).show();
 104    protected ConferenceInvite mPendingConferenceInvite = null;
 105    protected ServiceConnection mConnection = new ServiceConnection() {
 106
 107        @Override
 108        public void onServiceConnected(ComponentName className, IBinder service) {
 109            XmppConnectionBinder binder = (XmppConnectionBinder) service;
 110            xmppConnectionService = binder.getService();
 111            xmppConnectionServiceBound = true;
 112            registerListeners();
 113            onBackendConnected();
 114        }
 115
 116        @Override
 117        public void onServiceDisconnected(ComponentName arg0) {
 118            xmppConnectionServiceBound = false;
 119        }
 120    };
 121    private DisplayMetrics metrics;
 122    private long mLastUiRefresh = 0;
 123    private final Handler mRefreshUiHandler = new Handler();
 124    private final Runnable mRefreshUiRunnable = () -> {
 125        mLastUiRefresh = SystemClock.elapsedRealtime();
 126        refreshUiReal();
 127    };
 128    private final UiCallback<Conversation> adhocCallback = new UiCallback<Conversation>() {
 129        @Override
 130        public void success(final Conversation conversation) {
 131            runOnUiThread(() -> {
 132                switchToConversation(conversation);
 133                hideToast();
 134            });
 135        }
 136
 137        @Override
 138        public void error(final int errorCode, Conversation object) {
 139            runOnUiThread(() -> replaceToast(getString(errorCode)));
 140        }
 141
 142        @Override
 143        public void userInputRequired(PendingIntent pi, Conversation object) {
 144
 145        }
 146    };
 147    public boolean mSkipBackgroundBinding = false;
 148
 149    public static boolean cancelPotentialWork(Message message, ImageView imageView) {
 150        final BitmapWorkerTask bitmapWorkerTask = getBitmapWorkerTask(imageView);
 151
 152        if (bitmapWorkerTask != null) {
 153            final Message oldMessage = bitmapWorkerTask.message;
 154            if (oldMessage == null || message != oldMessage) {
 155                bitmapWorkerTask.cancel(true);
 156            } else {
 157                return false;
 158            }
 159        }
 160        return true;
 161    }
 162
 163    private static BitmapWorkerTask getBitmapWorkerTask(ImageView imageView) {
 164        if (imageView != null) {
 165            final Drawable drawable = imageView.getDrawable();
 166            if (drawable instanceof AsyncDrawable) {
 167                final AsyncDrawable asyncDrawable = (AsyncDrawable) drawable;
 168                return asyncDrawable.getBitmapWorkerTask();
 169            }
 170        }
 171        return null;
 172    }
 173
 174    protected void hideToast() {
 175        if (mToast != null) {
 176            mToast.cancel();
 177        }
 178    }
 179
 180    protected void replaceToast(String msg) {
 181        replaceToast(msg, true);
 182    }
 183
 184    protected void replaceToast(String msg, boolean showlong) {
 185        hideToast();
 186        mToast = Toast.makeText(this, msg, showlong ? Toast.LENGTH_LONG : Toast.LENGTH_SHORT);
 187        mToast.show();
 188    }
 189
 190    protected final void refreshUi() {
 191        final long diff = SystemClock.elapsedRealtime() - mLastUiRefresh;
 192        if (diff > Config.REFRESH_UI_INTERVAL) {
 193            mRefreshUiHandler.removeCallbacks(mRefreshUiRunnable);
 194            runOnUiThread(mRefreshUiRunnable);
 195        } else {
 196            final long next = Config.REFRESH_UI_INTERVAL - diff;
 197            mRefreshUiHandler.removeCallbacks(mRefreshUiRunnable);
 198            mRefreshUiHandler.postDelayed(mRefreshUiRunnable, next);
 199        }
 200    }
 201
 202    abstract protected void refreshUiReal();
 203
 204    @Override
 205    protected void onStart() {
 206        super.onStart();
 207        if (!xmppConnectionServiceBound) {
 208            if (this.mSkipBackgroundBinding) {
 209                Log.d(Config.LOGTAG, "skipping background binding");
 210            } else {
 211                connectToBackend();
 212            }
 213        } else {
 214            this.registerListeners();
 215            this.onBackendConnected();
 216        }
 217        this.mUsingEnterKey = usingEnterKey();
 218        this.mUseTor = useTor();
 219    }
 220
 221    public void connectToBackend() {
 222        Intent intent = new Intent(this, XmppConnectionService.class);
 223        intent.setAction("ui");
 224        try {
 225            startService(intent);
 226        } catch (IllegalStateException e) {
 227            Log.w(Config.LOGTAG, "unable to start service from " + getClass().getSimpleName());
 228        }
 229        bindService(intent, mConnection, Context.BIND_AUTO_CREATE);
 230    }
 231
 232    @Override
 233    protected void onStop() {
 234        super.onStop();
 235        if (xmppConnectionServiceBound) {
 236            this.unregisterListeners();
 237            unbindService(mConnection);
 238            xmppConnectionServiceBound = false;
 239        }
 240    }
 241
 242
 243    public boolean hasPgp() {
 244        return xmppConnectionService.getPgpEngine() != null;
 245    }
 246
 247    public void showInstallPgpDialog() {
 248        Builder builder = new AlertDialog.Builder(this);
 249        builder.setTitle(getString(R.string.openkeychain_required));
 250        builder.setIconAttribute(android.R.attr.alertDialogIcon);
 251        builder.setMessage(getText(R.string.openkeychain_required_long));
 252        builder.setNegativeButton(getString(R.string.cancel), null);
 253        builder.setNeutralButton(getString(R.string.restart),
 254                (dialog, which) -> {
 255                    if (xmppConnectionServiceBound) {
 256                        unbindService(mConnection);
 257                        xmppConnectionServiceBound = false;
 258                    }
 259                    stopService(new Intent(XmppActivity.this,
 260                            XmppConnectionService.class));
 261                    finish();
 262                });
 263        builder.setPositiveButton(getString(R.string.install),
 264                (dialog, which) -> {
 265                    Uri uri = Uri
 266                            .parse("market://details?id=org.sufficientlysecure.keychain");
 267                    Intent marketIntent = new Intent(Intent.ACTION_VIEW,
 268                            uri);
 269                    PackageManager manager = getApplicationContext()
 270                            .getPackageManager();
 271                    List<ResolveInfo> infos = manager
 272                            .queryIntentActivities(marketIntent, 0);
 273                    if (infos.size() > 0) {
 274                        startActivity(marketIntent);
 275                    } else {
 276                        uri = Uri.parse("http://www.openkeychain.org/");
 277                        Intent browserIntent = new Intent(
 278                                Intent.ACTION_VIEW, uri);
 279                        startActivity(browserIntent);
 280                    }
 281                    finish();
 282                });
 283        builder.create().show();
 284    }
 285
 286    abstract void onBackendConnected();
 287
 288    protected void registerListeners() {
 289        if (this instanceof XmppConnectionService.OnConversationUpdate) {
 290            this.xmppConnectionService.setOnConversationListChangedListener((XmppConnectionService.OnConversationUpdate) this);
 291        }
 292        if (this instanceof XmppConnectionService.OnAccountUpdate) {
 293            this.xmppConnectionService.setOnAccountListChangedListener((XmppConnectionService.OnAccountUpdate) this);
 294        }
 295        if (this instanceof XmppConnectionService.OnCaptchaRequested) {
 296            this.xmppConnectionService.setOnCaptchaRequestedListener((XmppConnectionService.OnCaptchaRequested) this);
 297        }
 298        if (this instanceof XmppConnectionService.OnRosterUpdate) {
 299            this.xmppConnectionService.setOnRosterUpdateListener((XmppConnectionService.OnRosterUpdate) this);
 300        }
 301        if (this instanceof XmppConnectionService.OnMucRosterUpdate) {
 302            this.xmppConnectionService.setOnMucRosterUpdateListener((XmppConnectionService.OnMucRosterUpdate) this);
 303        }
 304        if (this instanceof OnUpdateBlocklist) {
 305            this.xmppConnectionService.setOnUpdateBlocklistListener((OnUpdateBlocklist) this);
 306        }
 307        if (this instanceof XmppConnectionService.OnShowErrorToast) {
 308            this.xmppConnectionService.setOnShowErrorToastListener((XmppConnectionService.OnShowErrorToast) this);
 309        }
 310        if (this instanceof OnKeyStatusUpdated) {
 311            this.xmppConnectionService.setOnKeyStatusUpdatedListener((OnKeyStatusUpdated) this);
 312        }
 313        if (this instanceof XmppConnectionService.OnJingleRtpConnectionUpdate) {
 314            this.xmppConnectionService.setOnRtpConnectionUpdateListener((XmppConnectionService.OnJingleRtpConnectionUpdate) this);
 315        }
 316    }
 317
 318    protected void unregisterListeners() {
 319        if (this instanceof XmppConnectionService.OnConversationUpdate) {
 320            this.xmppConnectionService.removeOnConversationListChangedListener((XmppConnectionService.OnConversationUpdate) this);
 321        }
 322        if (this instanceof XmppConnectionService.OnAccountUpdate) {
 323            this.xmppConnectionService.removeOnAccountListChangedListener((XmppConnectionService.OnAccountUpdate) this);
 324        }
 325        if (this instanceof XmppConnectionService.OnCaptchaRequested) {
 326            this.xmppConnectionService.removeOnCaptchaRequestedListener((XmppConnectionService.OnCaptchaRequested) this);
 327        }
 328        if (this instanceof XmppConnectionService.OnRosterUpdate) {
 329            this.xmppConnectionService.removeOnRosterUpdateListener((XmppConnectionService.OnRosterUpdate) this);
 330        }
 331        if (this instanceof XmppConnectionService.OnMucRosterUpdate) {
 332            this.xmppConnectionService.removeOnMucRosterUpdateListener((XmppConnectionService.OnMucRosterUpdate) this);
 333        }
 334        if (this instanceof OnUpdateBlocklist) {
 335            this.xmppConnectionService.removeOnUpdateBlocklistListener((OnUpdateBlocklist) this);
 336        }
 337        if (this instanceof XmppConnectionService.OnShowErrorToast) {
 338            this.xmppConnectionService.removeOnShowErrorToastListener((XmppConnectionService.OnShowErrorToast) this);
 339        }
 340        if (this instanceof OnKeyStatusUpdated) {
 341            this.xmppConnectionService.removeOnNewKeysAvailableListener((OnKeyStatusUpdated) this);
 342        }
 343        if (this instanceof XmppConnectionService.OnJingleRtpConnectionUpdate) {
 344            this.xmppConnectionService.removeRtpConnectionUpdateListener((XmppConnectionService.OnJingleRtpConnectionUpdate) this);
 345        }
 346    }
 347
 348    @Override
 349    public boolean onOptionsItemSelected(final MenuItem item) {
 350        switch (item.getItemId()) {
 351            case R.id.action_settings:
 352                startActivity(new Intent(this, SettingsActivity.class));
 353                break;
 354            case R.id.action_accounts:
 355                AccountUtils.launchManageAccounts(this);
 356                break;
 357            case R.id.action_account:
 358                AccountUtils.launchManageAccount(this);
 359                break;
 360            case android.R.id.home:
 361                finish();
 362                break;
 363            case R.id.action_show_qr_code:
 364                showQrCode();
 365                break;
 366        }
 367        return super.onOptionsItemSelected(item);
 368    }
 369
 370    public void selectPresence(final Conversation conversation, final PresenceSelector.OnPresenceSelected listener) {
 371        final Contact contact = conversation.getContact();
 372        if (contact.showInRoster() || contact.isSelf()) {
 373            final Presences presences = contact.getPresences();
 374            if (presences.size() == 0) {
 375                if (contact.isSelf()) {
 376                    conversation.setNextCounterpart(null);
 377                    listener.onPresenceSelected();
 378                } else if (!contact.getOption(Contact.Options.TO)
 379                        && !contact.getOption(Contact.Options.ASKING)
 380                        && contact.getAccount().getStatus() == Account.State.ONLINE) {
 381                    showAskForPresenceDialog(contact);
 382                } else if (!contact.getOption(Contact.Options.TO)
 383                        || !contact.getOption(Contact.Options.FROM)) {
 384                    PresenceSelector.warnMutualPresenceSubscription(this, conversation, listener);
 385                } else {
 386                    conversation.setNextCounterpart(null);
 387                    listener.onPresenceSelected();
 388                }
 389            } else if (presences.size() == 1) {
 390                final String presence = presences.toResourceArray()[0];
 391                conversation.setNextCounterpart(PresenceSelector.getNextCounterpart(contact, presence));
 392                listener.onPresenceSelected();
 393            } else {
 394                PresenceSelector.showPresenceSelectionDialog(this, conversation, listener);
 395            }
 396        } else {
 397            showAddToRosterDialog(conversation.getContact());
 398        }
 399    }
 400
 401    @SuppressLint("UnsupportedChromeOsCameraSystemFeature")
 402    @Override
 403    protected void onCreate(Bundle savedInstanceState) {
 404        super.onCreate(savedInstanceState);
 405        metrics = getResources().getDisplayMetrics();
 406        ExceptionHelper.init(getApplicationContext());
 407        new EmojiService(this).init();
 408        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) {
 409            this.isCameraFeatureAvailable = getPackageManager().hasSystemFeature(PackageManager.FEATURE_CAMERA_ANY);
 410        } else {
 411            this.isCameraFeatureAvailable = getPackageManager().hasSystemFeature(PackageManager.FEATURE_CAMERA);
 412        }
 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            String status = null;
 576            if (manuallyChangePresence()) {
 577                status = account.getPresenceStatusMessage();
 578            }
 579            if (status == null) {
 580                status = "";
 581            }
 582            xmppConnectionService.getPgpEngine().generateSignature(intent, account, status, new UiCallback<String>() {
 583
 584                @Override
 585                public void userInputRequired(PendingIntent pi, String signature) {
 586                    try {
 587                        startIntentSenderForResult(pi.getIntentSender(), REQUEST_ANNOUNCE_PGP, null, 0, 0, 0);
 588                    } catch (final SendIntentException ignored) {
 589                    }
 590                }
 591
 592                @Override
 593                public void success(String signature) {
 594                    account.setPgpSignature(signature);
 595                    xmppConnectionService.databaseBackend.updateAccount(account);
 596                    xmppConnectionService.sendPresence(account);
 597                    if (conversation != null) {
 598                        conversation.setNextEncryption(Message.ENCRYPTION_PGP);
 599                        xmppConnectionService.updateConversation(conversation);
 600                        refreshUi();
 601                    }
 602                    if (onSuccess != null) {
 603                        runOnUiThread(onSuccess);
 604                    }
 605                }
 606
 607                @Override
 608                public void error(int error, String signature) {
 609                    if (error == 0) {
 610                        account.setPgpSignId(0);
 611                        account.unsetPgpSignature();
 612                        xmppConnectionService.databaseBackend.updateAccount(account);
 613                        choosePgpSignId(account);
 614                    } else {
 615                        displayErrorDialog(error);
 616                    }
 617                }
 618            });
 619        }
 620    }
 621
 622    @SuppressWarnings("deprecation")
 623    @TargetApi(Build.VERSION_CODES.JELLY_BEAN)
 624    protected void setListItemBackgroundOnView(View view) {
 625        int sdk = android.os.Build.VERSION.SDK_INT;
 626        if (sdk < android.os.Build.VERSION_CODES.JELLY_BEAN) {
 627            view.setBackgroundDrawable(getResources().getDrawable(R.drawable.greybackground));
 628        } else {
 629            view.setBackground(getResources().getDrawable(R.drawable.greybackground));
 630        }
 631    }
 632
 633    protected void choosePgpSignId(Account account) {
 634        xmppConnectionService.getPgpEngine().chooseKey(account, new UiCallback<Account>() {
 635            @Override
 636            public void success(Account account1) {
 637            }
 638
 639            @Override
 640            public void error(int errorCode, Account object) {
 641
 642            }
 643
 644            @Override
 645            public void userInputRequired(PendingIntent pi, Account object) {
 646                try {
 647                    startIntentSenderForResult(pi.getIntentSender(),
 648                            REQUEST_CHOOSE_PGP_ID, null, 0, 0, 0);
 649                } catch (final SendIntentException ignored) {
 650                }
 651            }
 652        });
 653    }
 654
 655    protected void displayErrorDialog(final int errorCode) {
 656        runOnUiThread(() -> {
 657            Builder builder = new Builder(XmppActivity.this);
 658            builder.setIconAttribute(android.R.attr.alertDialogIcon);
 659            builder.setTitle(getString(R.string.error));
 660            builder.setMessage(errorCode);
 661            builder.setNeutralButton(R.string.accept, null);
 662            builder.create().show();
 663        });
 664
 665    }
 666
 667    protected void showAddToRosterDialog(final Contact contact) {
 668        AlertDialog.Builder builder = new AlertDialog.Builder(this);
 669        builder.setTitle(contact.getJid().toString());
 670        builder.setMessage(getString(R.string.not_in_roster));
 671        builder.setNegativeButton(getString(R.string.cancel), null);
 672        builder.setPositiveButton(getString(R.string.add_contact), (dialog, which) -> xmppConnectionService.createContact(contact, true));
 673        builder.create().show();
 674    }
 675
 676    private void showAskForPresenceDialog(final Contact contact) {
 677        AlertDialog.Builder builder = new AlertDialog.Builder(this);
 678        builder.setTitle(contact.getJid().toString());
 679        builder.setMessage(R.string.request_presence_updates);
 680        builder.setNegativeButton(R.string.cancel, null);
 681        builder.setPositiveButton(R.string.request_now,
 682                (dialog, which) -> {
 683                    if (xmppConnectionServiceBound) {
 684                        xmppConnectionService.sendPresencePacket(contact
 685                                .getAccount(), xmppConnectionService
 686                                .getPresenceGenerator()
 687                                .requestPresenceUpdatesFrom(contact));
 688                    }
 689                });
 690        builder.create().show();
 691    }
 692
 693    protected void quickEdit(String previousValue, @StringRes int hint, OnValueEdited callback) {
 694        quickEdit(previousValue, callback, hint, false, false);
 695    }
 696
 697    protected void quickEdit(String previousValue, @StringRes int hint, OnValueEdited callback, boolean permitEmpty) {
 698        quickEdit(previousValue, callback, hint, false, permitEmpty);
 699    }
 700
 701    protected void quickPasswordEdit(String previousValue, OnValueEdited callback) {
 702        quickEdit(previousValue, callback, R.string.password, true, false);
 703    }
 704
 705    @SuppressLint("InflateParams")
 706    private void quickEdit(final String previousValue,
 707                           final OnValueEdited callback,
 708                           final @StringRes int hint,
 709                           boolean password,
 710                           boolean permitEmpty) {
 711        AlertDialog.Builder builder = new AlertDialog.Builder(this);
 712        DialogQuickeditBinding binding = DataBindingUtil.inflate(getLayoutInflater(), R.layout.dialog_quickedit, null, false);
 713        if (password) {
 714            binding.inputEditText.setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_PASSWORD);
 715        }
 716        builder.setPositiveButton(R.string.accept, null);
 717        if (hint != 0) {
 718            binding.inputLayout.setHint(getString(hint));
 719        }
 720        binding.inputEditText.requestFocus();
 721        if (previousValue != null) {
 722            binding.inputEditText.getText().append(previousValue);
 723        }
 724        builder.setView(binding.getRoot());
 725        builder.setNegativeButton(R.string.cancel, null);
 726        final AlertDialog dialog = builder.create();
 727        dialog.setOnShowListener(d -> SoftKeyboardUtils.showKeyboard(binding.inputEditText));
 728        dialog.show();
 729        View.OnClickListener clickListener = v -> {
 730            String value = binding.inputEditText.getText().toString();
 731            if (!value.equals(previousValue) && (!value.trim().isEmpty() || permitEmpty)) {
 732                String error = callback.onValueEdited(value);
 733                if (error != null) {
 734                    binding.inputLayout.setError(error);
 735                    return;
 736                }
 737            }
 738            SoftKeyboardUtils.hideSoftKeyboard(binding.inputEditText);
 739            dialog.dismiss();
 740        };
 741        dialog.getButton(DialogInterface.BUTTON_POSITIVE).setOnClickListener(clickListener);
 742        dialog.getButton(DialogInterface.BUTTON_NEGATIVE).setOnClickListener((v -> {
 743            SoftKeyboardUtils.hideSoftKeyboard(binding.inputEditText);
 744            dialog.dismiss();
 745        }));
 746        dialog.setCanceledOnTouchOutside(false);
 747        dialog.setOnDismissListener(dialog1 -> {
 748            SoftKeyboardUtils.hideSoftKeyboard(binding.inputEditText);
 749        });
 750    }
 751
 752    protected boolean hasStoragePermission(int requestCode) {
 753        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 754            if (checkSelfPermission(Manifest.permission.WRITE_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED) {
 755                requestPermissions(new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE}, requestCode);
 756                return false;
 757            } else {
 758                return true;
 759            }
 760        } else {
 761            return true;
 762        }
 763    }
 764
 765    protected void onActivityResult(int requestCode, int resultCode, final Intent data) {
 766        super.onActivityResult(requestCode, resultCode, data);
 767        if (requestCode == REQUEST_INVITE_TO_CONVERSATION && resultCode == RESULT_OK) {
 768            mPendingConferenceInvite = ConferenceInvite.parse(data);
 769            if (xmppConnectionServiceBound && mPendingConferenceInvite != null) {
 770                if (mPendingConferenceInvite.execute(this)) {
 771                    mToast = Toast.makeText(this, R.string.creating_conference, Toast.LENGTH_LONG);
 772                    mToast.show();
 773                }
 774                mPendingConferenceInvite = null;
 775            }
 776        }
 777    }
 778
 779    public boolean copyTextToClipboard(String text, int labelResId) {
 780        ClipboardManager mClipBoardManager = (ClipboardManager) getSystemService(CLIPBOARD_SERVICE);
 781        String label = getResources().getString(labelResId);
 782        if (mClipBoardManager != null) {
 783            ClipData mClipData = ClipData.newPlainText(label, text);
 784            mClipBoardManager.setPrimaryClip(mClipData);
 785            return true;
 786        }
 787        return false;
 788    }
 789
 790    protected boolean manuallyChangePresence() {
 791        return getBooleanPreference(SettingsActivity.MANUALLY_CHANGE_PRESENCE, R.bool.manually_change_presence);
 792    }
 793
 794    protected String getShareableUri() {
 795        return getShareableUri(false);
 796    }
 797
 798    protected String getShareableUri(boolean http) {
 799        return null;
 800    }
 801
 802    protected void shareLink(boolean http) {
 803        String uri = getShareableUri(http);
 804        if (uri == null || uri.isEmpty()) {
 805            return;
 806        }
 807        Intent intent = new Intent(Intent.ACTION_SEND);
 808        intent.setType("text/plain");
 809        intent.putExtra(Intent.EXTRA_TEXT, getShareableUri(http));
 810        try {
 811            startActivity(Intent.createChooser(intent, getText(R.string.share_uri_with)));
 812        } catch (ActivityNotFoundException e) {
 813            Toast.makeText(this, R.string.no_application_to_share_uri, Toast.LENGTH_SHORT).show();
 814        }
 815    }
 816
 817    protected void launchOpenKeyChain(long keyId) {
 818        PgpEngine pgp = XmppActivity.this.xmppConnectionService.getPgpEngine();
 819        try {
 820            startIntentSenderForResult(
 821                    pgp.getIntentForKey(keyId).getIntentSender(), 0, null, 0,
 822                    0, 0);
 823        } catch (Throwable e) {
 824            Toast.makeText(XmppActivity.this, R.string.openpgp_error, Toast.LENGTH_SHORT).show();
 825        }
 826    }
 827
 828    @Override
 829    public void onResume() {
 830        super.onResume();
 831    }
 832
 833    protected int findTheme() {
 834        return ThemeHelper.find(this);
 835    }
 836
 837    @Override
 838    public void onPause() {
 839        super.onPause();
 840    }
 841
 842    @Override
 843    public boolean onMenuOpened(int id, Menu menu) {
 844        if (id == AppCompatDelegate.FEATURE_SUPPORT_ACTION_BAR && menu != null) {
 845            MenuDoubleTabUtil.recordMenuOpen();
 846        }
 847        return super.onMenuOpened(id, menu);
 848    }
 849
 850    protected void showQrCode() {
 851        showQrCode(getShareableUri());
 852    }
 853
 854    protected void showQrCode(final String uri) {
 855        if (uri == null || uri.isEmpty()) {
 856            return;
 857        }
 858        Point size = new Point();
 859        getWindowManager().getDefaultDisplay().getSize(size);
 860        final int width = (size.x < size.y ? size.x : size.y);
 861        Bitmap bitmap = BarcodeProvider.create2dBarcodeBitmap(uri, width);
 862        ImageView view = new ImageView(this);
 863        view.setBackgroundColor(Color.WHITE);
 864        view.setImageBitmap(bitmap);
 865        AlertDialog.Builder builder = new AlertDialog.Builder(this);
 866        builder.setView(view);
 867        builder.create().show();
 868    }
 869
 870    protected Account extractAccount(Intent intent) {
 871        final String jid = intent != null ? intent.getStringExtra(EXTRA_ACCOUNT) : null;
 872        try {
 873            return jid != null ? xmppConnectionService.findAccountByJid(Jid.ofEscaped(jid)) : null;
 874        } catch (IllegalArgumentException e) {
 875            return null;
 876        }
 877    }
 878
 879    public AvatarService avatarService() {
 880        return xmppConnectionService.getAvatarService();
 881    }
 882
 883    public void loadBitmap(Message message, ImageView imageView) {
 884        Bitmap bm;
 885        try {
 886            bm = xmppConnectionService.getFileBackend().getThumbnail(message, (int) (metrics.density * 288), true);
 887        } catch (IOException e) {
 888            bm = null;
 889        }
 890        if (bm != null) {
 891            cancelPotentialWork(message, imageView);
 892            imageView.setImageBitmap(bm);
 893            imageView.setBackgroundColor(0x00000000);
 894        } else {
 895            if (cancelPotentialWork(message, imageView)) {
 896                imageView.setBackgroundColor(0xff333333);
 897                imageView.setImageDrawable(null);
 898                final BitmapWorkerTask task = new BitmapWorkerTask(imageView);
 899                final AsyncDrawable asyncDrawable = new AsyncDrawable(
 900                        getResources(), null, task);
 901                imageView.setImageDrawable(asyncDrawable);
 902                try {
 903                    task.execute(message);
 904                } catch (final RejectedExecutionException ignored) {
 905                    ignored.printStackTrace();
 906                }
 907            }
 908        }
 909    }
 910
 911    protected interface OnValueEdited {
 912        String onValueEdited(String value);
 913    }
 914
 915    public static class ConferenceInvite {
 916        private String uuid;
 917        private final List<Jid> jids = new ArrayList<>();
 918
 919        public static ConferenceInvite parse(Intent data) {
 920            ConferenceInvite invite = new ConferenceInvite();
 921            invite.uuid = data.getStringExtra(ChooseContactActivity.EXTRA_CONVERSATION);
 922            if (invite.uuid == null) {
 923                return null;
 924            }
 925            invite.jids.addAll(ChooseContactActivity.extractJabberIds(data));
 926            return invite;
 927        }
 928
 929        public boolean execute(XmppActivity activity) {
 930            XmppConnectionService service = activity.xmppConnectionService;
 931            Conversation conversation = service.findConversationByUuid(this.uuid);
 932            if (conversation == null) {
 933                return false;
 934            }
 935            if (conversation.getMode() == Conversation.MODE_MULTI) {
 936                for (Jid jid : jids) {
 937                    service.invite(conversation, jid);
 938                }
 939                return false;
 940            } else {
 941                jids.add(conversation.getJid().asBareJid());
 942                return service.createAdhocConference(conversation.getAccount(), null, jids, activity.adhocCallback);
 943            }
 944        }
 945    }
 946
 947    static class BitmapWorkerTask extends AsyncTask<Message, Void, Bitmap> {
 948        private final WeakReference<ImageView> imageViewReference;
 949        private Message message = null;
 950
 951        private BitmapWorkerTask(ImageView imageView) {
 952            this.imageViewReference = new WeakReference<>(imageView);
 953        }
 954
 955        @Override
 956        protected Bitmap doInBackground(Message... params) {
 957            if (isCancelled()) {
 958                return null;
 959            }
 960            message = params[0];
 961            try {
 962                final XmppActivity activity = find(imageViewReference);
 963                if (activity != null && activity.xmppConnectionService != null) {
 964                    return activity.xmppConnectionService.getFileBackend().getThumbnail(message, (int) (activity.metrics.density * 288), false);
 965                } else {
 966                    return null;
 967                }
 968            } catch (IOException e) {
 969                return null;
 970            }
 971        }
 972
 973        @Override
 974        protected void onPostExecute(final Bitmap bitmap) {
 975            if (!isCancelled()) {
 976                final ImageView imageView = imageViewReference.get();
 977                if (imageView != null) {
 978                    imageView.setImageBitmap(bitmap);
 979                    imageView.setBackgroundColor(bitmap == null ? 0xff333333 : 0x00000000);
 980                }
 981            }
 982        }
 983    }
 984
 985    private static class AsyncDrawable extends BitmapDrawable {
 986        private final WeakReference<BitmapWorkerTask> bitmapWorkerTaskReference;
 987
 988        private AsyncDrawable(Resources res, Bitmap bitmap, BitmapWorkerTask bitmapWorkerTask) {
 989            super(res, bitmap);
 990            bitmapWorkerTaskReference = new WeakReference<>(bitmapWorkerTask);
 991        }
 992
 993        private BitmapWorkerTask getBitmapWorkerTask() {
 994            return bitmapWorkerTaskReference.get();
 995        }
 996    }
 997
 998    public static XmppActivity find(@NonNull WeakReference<ImageView> viewWeakReference) {
 999        final View view = viewWeakReference.get();
1000        return view == null ? null : find(view);
1001    }
1002
1003    public static XmppActivity find(@NonNull final View view) {
1004        Context context = view.getContext();
1005        while (context instanceof ContextWrapper) {
1006            if (context instanceof XmppActivity) {
1007                return (XmppActivity) context;
1008            }
1009            context = ((ContextWrapper) context).getBaseContext();
1010        }
1011        return null;
1012    }
1013}