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.QuickConversationsService;
  75import eu.siacs.conversations.services.XmppConnectionService;
  76import eu.siacs.conversations.services.XmppConnectionService.XmppConnectionBinder;
  77import eu.siacs.conversations.ui.service.EmojiService;
  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.utils.ThemeHelper;
  84import eu.siacs.conversations.xmpp.Jid;
  85import eu.siacs.conversations.xmpp.OnKeyStatusUpdated;
  86import eu.siacs.conversations.xmpp.OnUpdateBlocklist;
  87
  88public abstract class XmppActivity extends ActionBarActivity {
  89
  90    public static final String EXTRA_ACCOUNT = "account";
  91    protected static final int REQUEST_ANNOUNCE_PGP = 0x0101;
  92    protected static final int REQUEST_INVITE_TO_CONVERSATION = 0x0102;
  93    protected static final int REQUEST_CHOOSE_PGP_ID = 0x0103;
  94    protected static final int REQUEST_BATTERY_OP = 0x49ff;
  95    public XmppConnectionService xmppConnectionService;
  96    public boolean xmppConnectionServiceBound = false;
  97
  98    protected static final String FRAGMENT_TAG_DIALOG = "dialog";
  99
 100    private boolean isCameraFeatureAvailable = false;
 101
 102    protected int mTheme;
 103    protected boolean mUsingEnterKey = false;
 104    protected boolean mUseTor = false;
 105    protected Toast mToast;
 106    public Runnable onOpenPGPKeyPublished = () -> Toast.makeText(XmppActivity.this, R.string.openpgp_has_been_published, Toast.LENGTH_SHORT).show();
 107    protected ConferenceInvite mPendingConferenceInvite = null;
 108    protected ServiceConnection mConnection = new ServiceConnection() {
 109
 110        @Override
 111        public void onServiceConnected(ComponentName className, IBinder service) {
 112            XmppConnectionBinder binder = (XmppConnectionBinder) service;
 113            xmppConnectionService = binder.getService();
 114            xmppConnectionServiceBound = true;
 115            registerListeners();
 116            onBackendConnected();
 117        }
 118
 119        @Override
 120        public void onServiceDisconnected(ComponentName arg0) {
 121            xmppConnectionServiceBound = false;
 122        }
 123    };
 124    private DisplayMetrics metrics;
 125    private long mLastUiRefresh = 0;
 126    private final Handler mRefreshUiHandler = new Handler();
 127    private final Runnable mRefreshUiRunnable = () -> {
 128        mLastUiRefresh = SystemClock.elapsedRealtime();
 129        refreshUiReal();
 130    };
 131    private final UiCallback<Conversation> adhocCallback = new UiCallback<Conversation>() {
 132        @Override
 133        public void success(final Conversation conversation) {
 134            runOnUiThread(() -> {
 135                switchToConversation(conversation);
 136                hideToast();
 137            });
 138        }
 139
 140        @Override
 141        public void error(final int errorCode, Conversation object) {
 142            runOnUiThread(() -> replaceToast(getString(errorCode)));
 143        }
 144
 145        @Override
 146        public void userInputRequired(PendingIntent pi, Conversation object) {
 147
 148        }
 149    };
 150    public boolean mSkipBackgroundBinding = false;
 151
 152    public static boolean cancelPotentialWork(Message message, ImageView imageView) {
 153        final BitmapWorkerTask bitmapWorkerTask = getBitmapWorkerTask(imageView);
 154
 155        if (bitmapWorkerTask != null) {
 156            final Message oldMessage = bitmapWorkerTask.message;
 157            if (oldMessage == null || message != oldMessage) {
 158                bitmapWorkerTask.cancel(true);
 159            } else {
 160                return false;
 161            }
 162        }
 163        return true;
 164    }
 165
 166    private static BitmapWorkerTask getBitmapWorkerTask(ImageView imageView) {
 167        if (imageView != null) {
 168            final Drawable drawable = imageView.getDrawable();
 169            if (drawable instanceof AsyncDrawable) {
 170                final AsyncDrawable asyncDrawable = (AsyncDrawable) drawable;
 171                return asyncDrawable.getBitmapWorkerTask();
 172            }
 173        }
 174        return null;
 175    }
 176
 177    protected void hideToast() {
 178        if (mToast != null) {
 179            mToast.cancel();
 180        }
 181    }
 182
 183    protected void replaceToast(String msg) {
 184        replaceToast(msg, true);
 185    }
 186
 187    protected void replaceToast(String msg, boolean showlong) {
 188        hideToast();
 189        mToast = Toast.makeText(this, msg, showlong ? Toast.LENGTH_LONG : Toast.LENGTH_SHORT);
 190        mToast.show();
 191    }
 192
 193    protected final void refreshUi() {
 194        final long diff = SystemClock.elapsedRealtime() - mLastUiRefresh;
 195        if (diff > Config.REFRESH_UI_INTERVAL) {
 196            mRefreshUiHandler.removeCallbacks(mRefreshUiRunnable);
 197            runOnUiThread(mRefreshUiRunnable);
 198        } else {
 199            final long next = Config.REFRESH_UI_INTERVAL - diff;
 200            mRefreshUiHandler.removeCallbacks(mRefreshUiRunnable);
 201            mRefreshUiHandler.postDelayed(mRefreshUiRunnable, next);
 202        }
 203    }
 204
 205    abstract protected void refreshUiReal();
 206
 207    @Override
 208    protected void onStart() {
 209        super.onStart();
 210        if (!xmppConnectionServiceBound) {
 211            if (this.mSkipBackgroundBinding) {
 212                Log.d(Config.LOGTAG, "skipping background binding");
 213            } else {
 214                connectToBackend();
 215            }
 216        } else {
 217            this.registerListeners();
 218            this.onBackendConnected();
 219        }
 220        this.mUsingEnterKey = usingEnterKey();
 221        this.mUseTor = useTor();
 222    }
 223
 224    public void connectToBackend() {
 225        Intent intent = new Intent(this, XmppConnectionService.class);
 226        intent.setAction("ui");
 227        try {
 228            startService(intent);
 229        } catch (IllegalStateException e) {
 230            Log.w(Config.LOGTAG, "unable to start service from " + getClass().getSimpleName());
 231        }
 232        bindService(intent, mConnection, Context.BIND_AUTO_CREATE);
 233    }
 234
 235    @Override
 236    protected void onStop() {
 237        super.onStop();
 238        if (xmppConnectionServiceBound) {
 239            this.unregisterListeners();
 240            unbindService(mConnection);
 241            xmppConnectionServiceBound = false;
 242        }
 243    }
 244
 245
 246    public boolean hasPgp() {
 247        return xmppConnectionService.getPgpEngine() != null;
 248    }
 249
 250    public void showInstallPgpDialog() {
 251        Builder builder = new AlertDialog.Builder(this);
 252        builder.setTitle(getString(R.string.openkeychain_required));
 253        builder.setIconAttribute(android.R.attr.alertDialogIcon);
 254        builder.setMessage(Html.fromHtml(getString(R.string.openkeychain_required_long, getString(R.string.app_name))));
 255        builder.setNegativeButton(getString(R.string.cancel), null);
 256        builder.setNeutralButton(getString(R.string.restart),
 257                (dialog, which) -> {
 258                    if (xmppConnectionServiceBound) {
 259                        unbindService(mConnection);
 260                        xmppConnectionServiceBound = false;
 261                    }
 262                    stopService(new Intent(XmppActivity.this,
 263                            XmppConnectionService.class));
 264                    finish();
 265                });
 266        builder.setPositiveButton(getString(R.string.install),
 267                (dialog, which) -> {
 268                    Uri uri = Uri
 269                            .parse("market://details?id=org.sufficientlysecure.keychain");
 270                    Intent marketIntent = new Intent(Intent.ACTION_VIEW,
 271                            uri);
 272                    PackageManager manager = getApplicationContext()
 273                            .getPackageManager();
 274                    List<ResolveInfo> infos = manager
 275                            .queryIntentActivities(marketIntent, 0);
 276                    if (infos.size() > 0) {
 277                        startActivity(marketIntent);
 278                    } else {
 279                        uri = Uri.parse("http://www.openkeychain.org/");
 280                        Intent browserIntent = new Intent(
 281                                Intent.ACTION_VIEW, uri);
 282                        startActivity(browserIntent);
 283                    }
 284                    finish();
 285                });
 286        builder.create().show();
 287    }
 288
 289    abstract void onBackendConnected();
 290
 291    protected void registerListeners() {
 292        if (this instanceof XmppConnectionService.OnConversationUpdate) {
 293            this.xmppConnectionService.setOnConversationListChangedListener((XmppConnectionService.OnConversationUpdate) this);
 294        }
 295        if (this instanceof XmppConnectionService.OnAccountUpdate) {
 296            this.xmppConnectionService.setOnAccountListChangedListener((XmppConnectionService.OnAccountUpdate) this);
 297        }
 298        if (this instanceof XmppConnectionService.OnCaptchaRequested) {
 299            this.xmppConnectionService.setOnCaptchaRequestedListener((XmppConnectionService.OnCaptchaRequested) this);
 300        }
 301        if (this instanceof XmppConnectionService.OnRosterUpdate) {
 302            this.xmppConnectionService.setOnRosterUpdateListener((XmppConnectionService.OnRosterUpdate) this);
 303        }
 304        if (this instanceof XmppConnectionService.OnMucRosterUpdate) {
 305            this.xmppConnectionService.setOnMucRosterUpdateListener((XmppConnectionService.OnMucRosterUpdate) this);
 306        }
 307        if (this instanceof OnUpdateBlocklist) {
 308            this.xmppConnectionService.setOnUpdateBlocklistListener((OnUpdateBlocklist) this);
 309        }
 310        if (this instanceof XmppConnectionService.OnShowErrorToast) {
 311            this.xmppConnectionService.setOnShowErrorToastListener((XmppConnectionService.OnShowErrorToast) this);
 312        }
 313        if (this instanceof OnKeyStatusUpdated) {
 314            this.xmppConnectionService.setOnKeyStatusUpdatedListener((OnKeyStatusUpdated) this);
 315        }
 316        if (this instanceof XmppConnectionService.OnJingleRtpConnectionUpdate) {
 317            this.xmppConnectionService.setOnRtpConnectionUpdateListener((XmppConnectionService.OnJingleRtpConnectionUpdate) this);
 318        }
 319    }
 320
 321    protected void unregisterListeners() {
 322        if (this instanceof XmppConnectionService.OnConversationUpdate) {
 323            this.xmppConnectionService.removeOnConversationListChangedListener((XmppConnectionService.OnConversationUpdate) this);
 324        }
 325        if (this instanceof XmppConnectionService.OnAccountUpdate) {
 326            this.xmppConnectionService.removeOnAccountListChangedListener((XmppConnectionService.OnAccountUpdate) this);
 327        }
 328        if (this instanceof XmppConnectionService.OnCaptchaRequested) {
 329            this.xmppConnectionService.removeOnCaptchaRequestedListener((XmppConnectionService.OnCaptchaRequested) this);
 330        }
 331        if (this instanceof XmppConnectionService.OnRosterUpdate) {
 332            this.xmppConnectionService.removeOnRosterUpdateListener((XmppConnectionService.OnRosterUpdate) this);
 333        }
 334        if (this instanceof XmppConnectionService.OnMucRosterUpdate) {
 335            this.xmppConnectionService.removeOnMucRosterUpdateListener((XmppConnectionService.OnMucRosterUpdate) this);
 336        }
 337        if (this instanceof OnUpdateBlocklist) {
 338            this.xmppConnectionService.removeOnUpdateBlocklistListener((OnUpdateBlocklist) this);
 339        }
 340        if (this instanceof XmppConnectionService.OnShowErrorToast) {
 341            this.xmppConnectionService.removeOnShowErrorToastListener((XmppConnectionService.OnShowErrorToast) this);
 342        }
 343        if (this instanceof OnKeyStatusUpdated) {
 344            this.xmppConnectionService.removeOnNewKeysAvailableListener((OnKeyStatusUpdated) this);
 345        }
 346        if (this instanceof XmppConnectionService.OnJingleRtpConnectionUpdate) {
 347            this.xmppConnectionService.removeRtpConnectionUpdateListener((XmppConnectionService.OnJingleRtpConnectionUpdate) this);
 348        }
 349    }
 350
 351    @Override
 352    public boolean onOptionsItemSelected(final MenuItem item) {
 353        switch (item.getItemId()) {
 354            case R.id.action_settings:
 355                startActivity(new Intent(this, SettingsActivity.class));
 356                break;
 357            case R.id.action_accounts:
 358                AccountUtils.launchManageAccounts(this);
 359                break;
 360            case R.id.action_account:
 361                AccountUtils.launchManageAccount(this);
 362                break;
 363            case android.R.id.home:
 364                finish();
 365                break;
 366            case R.id.action_show_qr_code:
 367                showQrCode();
 368                break;
 369        }
 370        return super.onOptionsItemSelected(item);
 371    }
 372
 373    public void selectPresence(final Conversation conversation, final PresenceSelector.OnPresenceSelected listener) {
 374        final Contact contact = conversation.getContact();
 375        if (contact.showInRoster() || contact.isSelf()) {
 376            final Presences presences = contact.getPresences();
 377            if (presences.size() == 0) {
 378                if (contact.isSelf()) {
 379                    conversation.setNextCounterpart(null);
 380                    listener.onPresenceSelected();
 381                } else if (!contact.getOption(Contact.Options.TO)
 382                        && !contact.getOption(Contact.Options.ASKING)
 383                        && contact.getAccount().getStatus() == Account.State.ONLINE) {
 384                    showAskForPresenceDialog(contact);
 385                } else if (!contact.getOption(Contact.Options.TO)
 386                        || !contact.getOption(Contact.Options.FROM)) {
 387                    PresenceSelector.warnMutualPresenceSubscription(this, conversation, listener);
 388                } else {
 389                    conversation.setNextCounterpart(null);
 390                    listener.onPresenceSelected();
 391                }
 392            } else if (presences.size() == 1) {
 393                final String presence = presences.toResourceArray()[0];
 394                conversation.setNextCounterpart(PresenceSelector.getNextCounterpart(contact, presence));
 395                listener.onPresenceSelected();
 396            } else {
 397                PresenceSelector.showPresenceSelectionDialog(this, conversation, listener);
 398            }
 399        } else {
 400            showAddToRosterDialog(conversation.getContact());
 401        }
 402    }
 403
 404    @SuppressLint("UnsupportedChromeOsCameraSystemFeature")
 405    @Override
 406    protected void onCreate(Bundle savedInstanceState) {
 407        super.onCreate(savedInstanceState);
 408        metrics = getResources().getDisplayMetrics();
 409        ExceptionHelper.init(getApplicationContext());
 410        new EmojiService(this).init();
 411        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) {
 412            this.isCameraFeatureAvailable = getPackageManager().hasSystemFeature(PackageManager.FEATURE_CAMERA_ANY);
 413        } else {
 414            this.isCameraFeatureAvailable = getPackageManager().hasSystemFeature(PackageManager.FEATURE_CAMERA);
 415        }
 416        this.mTheme = findTheme();
 417        setTheme(this.mTheme);
 418    }
 419
 420    protected boolean isCameraFeatureAvailable() {
 421        return this.isCameraFeatureAvailable;
 422    }
 423
 424    public boolean isDarkTheme() {
 425        return ThemeHelper.isDark(mTheme);
 426    }
 427
 428    public int getThemeResource(int r_attr_name, int r_drawable_def) {
 429        int[] attrs = {r_attr_name};
 430        TypedArray ta = this.getTheme().obtainStyledAttributes(attrs);
 431
 432        int res = ta.getResourceId(0, r_drawable_def);
 433        ta.recycle();
 434
 435        return res;
 436    }
 437
 438    protected boolean isOptimizingBattery() {
 439        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 440            final PowerManager pm = (PowerManager) getSystemService(POWER_SERVICE);
 441            return pm != null
 442                    && !pm.isIgnoringBatteryOptimizations(getPackageName());
 443        } else {
 444            return false;
 445        }
 446    }
 447
 448    protected boolean isAffectedByDataSaver() {
 449        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
 450            final ConnectivityManager cm = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
 451            return cm != null
 452                    && cm.isActiveNetworkMetered()
 453                    && cm.getRestrictBackgroundStatus() == ConnectivityManager.RESTRICT_BACKGROUND_STATUS_ENABLED;
 454        } else {
 455            return false;
 456        }
 457    }
 458
 459    private boolean usingEnterKey() {
 460        return getBooleanPreference("display_enter_key", R.bool.display_enter_key);
 461    }
 462
 463    private boolean useTor() {
 464        return QuickConversationsService.isConversations() && getBooleanPreference("use_tor", R.bool.use_tor);
 465    }
 466
 467    protected SharedPreferences getPreferences() {
 468        return PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
 469    }
 470
 471    protected boolean getBooleanPreference(String name, @BoolRes int res) {
 472        return getPreferences().getBoolean(name, getResources().getBoolean(res));
 473    }
 474
 475    public void switchToConversation(Conversation conversation) {
 476        switchToConversation(conversation, null);
 477    }
 478
 479    public void switchToConversationAndQuote(Conversation conversation, String text) {
 480        switchToConversation(conversation, text, true, null, false, false);
 481    }
 482
 483    public void switchToConversation(Conversation conversation, String text) {
 484        switchToConversation(conversation, text, false, null, false, false);
 485    }
 486
 487    public void switchToConversationDoNotAppend(Conversation conversation, String text) {
 488        switchToConversation(conversation, text, false, null, false, true);
 489    }
 490
 491    public void highlightInMuc(Conversation conversation, String nick) {
 492        switchToConversation(conversation, null, false, nick, false, false);
 493    }
 494
 495    public void privateMsgInMuc(Conversation conversation, String nick) {
 496        switchToConversation(conversation, null, false, nick, true, false);
 497    }
 498
 499    private void switchToConversation(Conversation conversation, String text, boolean asQuote, String nick, boolean pm, boolean doNotAppend) {
 500        Intent intent = new Intent(this, ConversationsActivity.class);
 501        intent.setAction(ConversationsActivity.ACTION_VIEW_CONVERSATION);
 502        intent.putExtra(ConversationsActivity.EXTRA_CONVERSATION, conversation.getUuid());
 503        if (text != null) {
 504            intent.putExtra(Intent.EXTRA_TEXT, text);
 505            if (asQuote) {
 506                intent.putExtra(ConversationsActivity.EXTRA_AS_QUOTE, true);
 507            }
 508        }
 509        if (nick != null) {
 510            intent.putExtra(ConversationsActivity.EXTRA_NICK, nick);
 511            intent.putExtra(ConversationsActivity.EXTRA_IS_PRIVATE_MESSAGE, pm);
 512        }
 513        if (doNotAppend) {
 514            intent.putExtra(ConversationsActivity.EXTRA_DO_NOT_APPEND, true);
 515        }
 516        intent.setFlags(intent.getFlags() | Intent.FLAG_ACTIVITY_CLEAR_TOP);
 517        startActivity(intent);
 518        finish();
 519    }
 520
 521    public void switchToContactDetails(Contact contact) {
 522        switchToContactDetails(contact, null);
 523    }
 524
 525    public void switchToContactDetails(Contact contact, String messageFingerprint) {
 526        Intent intent = new Intent(this, ContactDetailsActivity.class);
 527        intent.setAction(ContactDetailsActivity.ACTION_VIEW_CONTACT);
 528        intent.putExtra(EXTRA_ACCOUNT, contact.getAccount().getJid().asBareJid().toEscapedString());
 529        intent.putExtra("contact", contact.getJid().toEscapedString());
 530        intent.putExtra("fingerprint", messageFingerprint);
 531        startActivity(intent);
 532    }
 533
 534    public void switchToAccount(Account account, String fingerprint) {
 535        switchToAccount(account, false, fingerprint);
 536    }
 537
 538    public void switchToAccount(Account account) {
 539        switchToAccount(account, false, null);
 540    }
 541
 542    public void switchToAccount(Account account, boolean init, String fingerprint) {
 543        Intent intent = new Intent(this, EditAccountActivity.class);
 544        intent.putExtra("jid", account.getJid().asBareJid().toEscapedString());
 545        intent.putExtra("init", init);
 546        if (init) {
 547            intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK | Intent.FLAG_ACTIVITY_NO_ANIMATION);
 548        }
 549        if (fingerprint != null) {
 550            intent.putExtra("fingerprint", fingerprint);
 551        }
 552        startActivity(intent);
 553        if (init) {
 554            overridePendingTransition(0, 0);
 555        }
 556    }
 557
 558    protected void delegateUriPermissionsToService(Uri uri) {
 559        Intent intent = new Intent(this, XmppConnectionService.class);
 560        intent.setAction(Intent.ACTION_SEND);
 561        intent.setData(uri);
 562        intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
 563        try {
 564            startService(intent);
 565        } catch (Exception e) {
 566            Log.e(Config.LOGTAG, "unable to delegate uri permission", e);
 567        }
 568    }
 569
 570    protected void inviteToConversation(Conversation conversation) {
 571        startActivityForResult(ChooseContactActivity.create(this, conversation), REQUEST_INVITE_TO_CONVERSATION);
 572    }
 573
 574    protected void announcePgp(final Account account, final Conversation conversation, Intent intent, final Runnable onSuccess) {
 575        if (account.getPgpId() == 0) {
 576            choosePgpSignId(account);
 577        } else {
 578            final String status = Strings.nullToEmpty(account.getPresenceStatusMessage());
 579            xmppConnectionService.getPgpEngine().generateSignature(intent, account, status, new UiCallback<String>() {
 580
 581                @Override
 582                public void userInputRequired(PendingIntent pi, String signature) {
 583                    try {
 584                        startIntentSenderForResult(pi.getIntentSender(), REQUEST_ANNOUNCE_PGP, null, 0, 0, 0);
 585                    } catch (final SendIntentException ignored) {
 586                    }
 587                }
 588
 589                @Override
 590                public void success(String signature) {
 591                    account.setPgpSignature(signature);
 592                    xmppConnectionService.databaseBackend.updateAccount(account);
 593                    xmppConnectionService.sendPresence(account);
 594                    if (conversation != null) {
 595                        conversation.setNextEncryption(Message.ENCRYPTION_PGP);
 596                        xmppConnectionService.updateConversation(conversation);
 597                        refreshUi();
 598                    }
 599                    if (onSuccess != null) {
 600                        runOnUiThread(onSuccess);
 601                    }
 602                }
 603
 604                @Override
 605                public void error(int error, String signature) {
 606                    if (error == 0) {
 607                        account.setPgpSignId(0);
 608                        account.unsetPgpSignature();
 609                        xmppConnectionService.databaseBackend.updateAccount(account);
 610                        choosePgpSignId(account);
 611                    } else {
 612                        displayErrorDialog(error);
 613                    }
 614                }
 615            });
 616        }
 617    }
 618
 619    @SuppressWarnings("deprecation")
 620    @TargetApi(Build.VERSION_CODES.JELLY_BEAN)
 621    protected void setListItemBackgroundOnView(View view) {
 622        int sdk = android.os.Build.VERSION.SDK_INT;
 623        if (sdk < android.os.Build.VERSION_CODES.JELLY_BEAN) {
 624            view.setBackgroundDrawable(getResources().getDrawable(R.drawable.greybackground));
 625        } else {
 626            view.setBackground(getResources().getDrawable(R.drawable.greybackground));
 627        }
 628    }
 629
 630    protected void choosePgpSignId(Account account) {
 631        xmppConnectionService.getPgpEngine().chooseKey(account, new UiCallback<Account>() {
 632            @Override
 633            public void success(Account account1) {
 634            }
 635
 636            @Override
 637            public void error(int errorCode, Account object) {
 638
 639            }
 640
 641            @Override
 642            public void userInputRequired(PendingIntent pi, Account object) {
 643                try {
 644                    startIntentSenderForResult(pi.getIntentSender(),
 645                            REQUEST_CHOOSE_PGP_ID, null, 0, 0, 0);
 646                } catch (final SendIntentException ignored) {
 647                }
 648            }
 649        });
 650    }
 651
 652    protected void displayErrorDialog(final int errorCode) {
 653        runOnUiThread(() -> {
 654            Builder builder = new Builder(XmppActivity.this);
 655            builder.setIconAttribute(android.R.attr.alertDialogIcon);
 656            builder.setTitle(getString(R.string.error));
 657            builder.setMessage(errorCode);
 658            builder.setNeutralButton(R.string.accept, null);
 659            builder.create().show();
 660        });
 661
 662    }
 663
 664    protected void showAddToRosterDialog(final Contact contact) {
 665        AlertDialog.Builder builder = new AlertDialog.Builder(this);
 666        builder.setTitle(contact.getJid().toString());
 667        builder.setMessage(getString(R.string.not_in_roster));
 668        builder.setNegativeButton(getString(R.string.cancel), null);
 669        builder.setPositiveButton(getString(R.string.add_contact), (dialog, which) -> xmppConnectionService.createContact(contact, true));
 670        builder.create().show();
 671    }
 672
 673    private void showAskForPresenceDialog(final Contact contact) {
 674        AlertDialog.Builder builder = new AlertDialog.Builder(this);
 675        builder.setTitle(contact.getJid().toString());
 676        builder.setMessage(R.string.request_presence_updates);
 677        builder.setNegativeButton(R.string.cancel, null);
 678        builder.setPositiveButton(R.string.request_now,
 679                (dialog, which) -> {
 680                    if (xmppConnectionServiceBound) {
 681                        xmppConnectionService.sendPresencePacket(contact
 682                                .getAccount(), xmppConnectionService
 683                                .getPresenceGenerator()
 684                                .requestPresenceUpdatesFrom(contact));
 685                    }
 686                });
 687        builder.create().show();
 688    }
 689
 690    protected void quickEdit(String previousValue, @StringRes int hint, OnValueEdited callback) {
 691        quickEdit(previousValue, callback, hint, false, false);
 692    }
 693
 694    protected void quickEdit(String previousValue, @StringRes int hint, OnValueEdited callback, boolean permitEmpty) {
 695        quickEdit(previousValue, callback, hint, false, permitEmpty);
 696    }
 697
 698    protected void quickPasswordEdit(String previousValue, OnValueEdited callback) {
 699        quickEdit(previousValue, callback, R.string.password, true, false);
 700    }
 701
 702    @SuppressLint("InflateParams")
 703    private void quickEdit(final String previousValue,
 704                           final OnValueEdited callback,
 705                           final @StringRes int hint,
 706                           boolean password,
 707                           boolean permitEmpty) {
 708        AlertDialog.Builder builder = new AlertDialog.Builder(this);
 709        DialogQuickeditBinding binding = DataBindingUtil.inflate(getLayoutInflater(), R.layout.dialog_quickedit, null, false);
 710        if (password) {
 711            binding.inputEditText.setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_PASSWORD);
 712        }
 713        builder.setPositiveButton(R.string.accept, null);
 714        if (hint != 0) {
 715            binding.inputLayout.setHint(getString(hint));
 716        }
 717        binding.inputEditText.requestFocus();
 718        if (previousValue != null) {
 719            binding.inputEditText.getText().append(previousValue);
 720        }
 721        builder.setView(binding.getRoot());
 722        builder.setNegativeButton(R.string.cancel, null);
 723        final AlertDialog dialog = builder.create();
 724        dialog.setOnShowListener(d -> SoftKeyboardUtils.showKeyboard(binding.inputEditText));
 725        dialog.show();
 726        View.OnClickListener clickListener = v -> {
 727            String value = binding.inputEditText.getText().toString();
 728            if (!value.equals(previousValue) && (!value.trim().isEmpty() || permitEmpty)) {
 729                String error = callback.onValueEdited(value);
 730                if (error != null) {
 731                    binding.inputLayout.setError(error);
 732                    return;
 733                }
 734            }
 735            SoftKeyboardUtils.hideSoftKeyboard(binding.inputEditText);
 736            dialog.dismiss();
 737        };
 738        dialog.getButton(DialogInterface.BUTTON_POSITIVE).setOnClickListener(clickListener);
 739        dialog.getButton(DialogInterface.BUTTON_NEGATIVE).setOnClickListener((v -> {
 740            SoftKeyboardUtils.hideSoftKeyboard(binding.inputEditText);
 741            dialog.dismiss();
 742        }));
 743        dialog.setCanceledOnTouchOutside(false);
 744        dialog.setOnDismissListener(dialog1 -> {
 745            SoftKeyboardUtils.hideSoftKeyboard(binding.inputEditText);
 746        });
 747    }
 748
 749    protected boolean hasStoragePermission(int requestCode) {
 750        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 751            if (checkSelfPermission(Manifest.permission.WRITE_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED) {
 752                requestPermissions(new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE}, requestCode);
 753                return false;
 754            } else {
 755                return true;
 756            }
 757        } else {
 758            return true;
 759        }
 760    }
 761
 762    protected void onActivityResult(int requestCode, int resultCode, final Intent data) {
 763        super.onActivityResult(requestCode, resultCode, data);
 764        if (requestCode == REQUEST_INVITE_TO_CONVERSATION && resultCode == RESULT_OK) {
 765            mPendingConferenceInvite = ConferenceInvite.parse(data);
 766            if (xmppConnectionServiceBound && mPendingConferenceInvite != null) {
 767                if (mPendingConferenceInvite.execute(this)) {
 768                    mToast = Toast.makeText(this, R.string.creating_conference, Toast.LENGTH_LONG);
 769                    mToast.show();
 770                }
 771                mPendingConferenceInvite = null;
 772            }
 773        }
 774    }
 775
 776    public boolean copyTextToClipboard(String text, int labelResId) {
 777        ClipboardManager mClipBoardManager = (ClipboardManager) getSystemService(CLIPBOARD_SERVICE);
 778        String label = getResources().getString(labelResId);
 779        if (mClipBoardManager != null) {
 780            ClipData mClipData = ClipData.newPlainText(label, text);
 781            mClipBoardManager.setPrimaryClip(mClipData);
 782            return true;
 783        }
 784        return false;
 785    }
 786
 787    protected boolean manuallyChangePresence() {
 788        return getBooleanPreference(SettingsActivity.MANUALLY_CHANGE_PRESENCE, R.bool.manually_change_presence);
 789    }
 790
 791    protected String getShareableUri() {
 792        return getShareableUri(false);
 793    }
 794
 795    protected String getShareableUri(boolean http) {
 796        return null;
 797    }
 798
 799    protected void shareLink(boolean http) {
 800        String uri = getShareableUri(http);
 801        if (uri == null || uri.isEmpty()) {
 802            return;
 803        }
 804        Intent intent = new Intent(Intent.ACTION_SEND);
 805        intent.setType("text/plain");
 806        intent.putExtra(Intent.EXTRA_TEXT, getShareableUri(http));
 807        try {
 808            startActivity(Intent.createChooser(intent, getText(R.string.share_uri_with)));
 809        } catch (ActivityNotFoundException e) {
 810            Toast.makeText(this, R.string.no_application_to_share_uri, Toast.LENGTH_SHORT).show();
 811        }
 812    }
 813
 814    protected void launchOpenKeyChain(long keyId) {
 815        PgpEngine pgp = XmppActivity.this.xmppConnectionService.getPgpEngine();
 816        try {
 817            startIntentSenderForResult(
 818                    pgp.getIntentForKey(keyId).getIntentSender(), 0, null, 0,
 819                    0, 0);
 820        } catch (Throwable e) {
 821            Toast.makeText(XmppActivity.this, R.string.openpgp_error, Toast.LENGTH_SHORT).show();
 822        }
 823    }
 824
 825    @Override
 826    public void onResume() {
 827        super.onResume();
 828    }
 829
 830    protected int findTheme() {
 831        return ThemeHelper.find(this);
 832    }
 833
 834    @Override
 835    public void onPause() {
 836        super.onPause();
 837    }
 838
 839    @Override
 840    public boolean onMenuOpened(int id, Menu menu) {
 841        if (id == AppCompatDelegate.FEATURE_SUPPORT_ACTION_BAR && menu != null) {
 842            MenuDoubleTabUtil.recordMenuOpen();
 843        }
 844        return super.onMenuOpened(id, menu);
 845    }
 846
 847    protected void showQrCode() {
 848        showQrCode(getShareableUri());
 849    }
 850
 851    protected void showQrCode(final String uri) {
 852        if (uri == null || uri.isEmpty()) {
 853            return;
 854        }
 855        Point size = new Point();
 856        getWindowManager().getDefaultDisplay().getSize(size);
 857        final int width = (size.x < size.y ? size.x : size.y);
 858        Bitmap bitmap = BarcodeProvider.create2dBarcodeBitmap(uri, width);
 859        ImageView view = new ImageView(this);
 860        view.setBackgroundColor(Color.WHITE);
 861        view.setImageBitmap(bitmap);
 862        AlertDialog.Builder builder = new AlertDialog.Builder(this);
 863        builder.setView(view);
 864        builder.create().show();
 865    }
 866
 867    protected Account extractAccount(Intent intent) {
 868        final String jid = intent != null ? intent.getStringExtra(EXTRA_ACCOUNT) : null;
 869        try {
 870            return jid != null ? xmppConnectionService.findAccountByJid(Jid.ofEscaped(jid)) : null;
 871        } catch (IllegalArgumentException e) {
 872            return null;
 873        }
 874    }
 875
 876    public AvatarService avatarService() {
 877        return xmppConnectionService.getAvatarService();
 878    }
 879
 880    public void loadBitmap(Message message, ImageView imageView) {
 881        Bitmap bm;
 882        try {
 883            bm = xmppConnectionService.getFileBackend().getThumbnail(message, (int) (metrics.density * 288), true);
 884        } catch (IOException e) {
 885            bm = null;
 886        }
 887        if (bm != null) {
 888            cancelPotentialWork(message, imageView);
 889            imageView.setImageBitmap(bm);
 890            imageView.setBackgroundColor(0x00000000);
 891        } else {
 892            if (cancelPotentialWork(message, imageView)) {
 893                imageView.setBackgroundColor(0xff333333);
 894                imageView.setImageDrawable(null);
 895                final BitmapWorkerTask task = new BitmapWorkerTask(imageView);
 896                final AsyncDrawable asyncDrawable = new AsyncDrawable(
 897                        getResources(), null, task);
 898                imageView.setImageDrawable(asyncDrawable);
 899                try {
 900                    task.execute(message);
 901                } catch (final RejectedExecutionException ignored) {
 902                    ignored.printStackTrace();
 903                }
 904            }
 905        }
 906    }
 907
 908    protected interface OnValueEdited {
 909        String onValueEdited(String value);
 910    }
 911
 912    public static class ConferenceInvite {
 913        private String uuid;
 914        private final List<Jid> jids = new ArrayList<>();
 915
 916        public static ConferenceInvite parse(Intent data) {
 917            ConferenceInvite invite = new ConferenceInvite();
 918            invite.uuid = data.getStringExtra(ChooseContactActivity.EXTRA_CONVERSATION);
 919            if (invite.uuid == null) {
 920                return null;
 921            }
 922            invite.jids.addAll(ChooseContactActivity.extractJabberIds(data));
 923            return invite;
 924        }
 925
 926        public boolean execute(XmppActivity activity) {
 927            XmppConnectionService service = activity.xmppConnectionService;
 928            Conversation conversation = service.findConversationByUuid(this.uuid);
 929            if (conversation == null) {
 930                return false;
 931            }
 932            if (conversation.getMode() == Conversation.MODE_MULTI) {
 933                for (Jid jid : jids) {
 934                    service.invite(conversation, jid);
 935                }
 936                return false;
 937            } else {
 938                jids.add(conversation.getJid().asBareJid());
 939                return service.createAdhocConference(conversation.getAccount(), null, jids, activity.adhocCallback);
 940            }
 941        }
 942    }
 943
 944    static class BitmapWorkerTask extends AsyncTask<Message, Void, Bitmap> {
 945        private final WeakReference<ImageView> imageViewReference;
 946        private Message message = null;
 947
 948        private BitmapWorkerTask(ImageView imageView) {
 949            this.imageViewReference = new WeakReference<>(imageView);
 950        }
 951
 952        @Override
 953        protected Bitmap doInBackground(Message... params) {
 954            if (isCancelled()) {
 955                return null;
 956            }
 957            message = params[0];
 958            try {
 959                final XmppActivity activity = find(imageViewReference);
 960                if (activity != null && activity.xmppConnectionService != null) {
 961                    return activity.xmppConnectionService.getFileBackend().getThumbnail(message, (int) (activity.metrics.density * 288), false);
 962                } else {
 963                    return null;
 964                }
 965            } catch (IOException e) {
 966                return null;
 967            }
 968        }
 969
 970        @Override
 971        protected void onPostExecute(final Bitmap bitmap) {
 972            if (!isCancelled()) {
 973                final ImageView imageView = imageViewReference.get();
 974                if (imageView != null) {
 975                    imageView.setImageBitmap(bitmap);
 976                    imageView.setBackgroundColor(bitmap == null ? 0xff333333 : 0x00000000);
 977                }
 978            }
 979        }
 980    }
 981
 982    private static class AsyncDrawable extends BitmapDrawable {
 983        private final WeakReference<BitmapWorkerTask> bitmapWorkerTaskReference;
 984
 985        private AsyncDrawable(Resources res, Bitmap bitmap, BitmapWorkerTask bitmapWorkerTask) {
 986            super(res, bitmap);
 987            bitmapWorkerTaskReference = new WeakReference<>(bitmapWorkerTask);
 988        }
 989
 990        private BitmapWorkerTask getBitmapWorkerTask() {
 991            return bitmapWorkerTaskReference.get();
 992        }
 993    }
 994
 995    public static XmppActivity find(@NonNull WeakReference<ImageView> viewWeakReference) {
 996        final View view = viewWeakReference.get();
 997        return view == null ? null : find(view);
 998    }
 999
1000    public static XmppActivity find(@NonNull final View view) {
1001        Context context = view.getContext();
1002        while (context instanceof ContextWrapper) {
1003            if (context instanceof XmppActivity) {
1004                return (XmppActivity) context;
1005            }
1006            context = ((ContextWrapper) context).getBaseContext();
1007        }
1008        return null;
1009    }
1010}