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 java.io.IOException;
  56import java.lang.ref.WeakReference;
  57import java.util.ArrayList;
  58import java.util.List;
  59import java.util.concurrent.RejectedExecutionException;
  60
  61import eu.siacs.conversations.Config;
  62import eu.siacs.conversations.R;
  63import eu.siacs.conversations.crypto.PgpEngine;
  64import eu.siacs.conversations.databinding.DialogQuickeditBinding;
  65import eu.siacs.conversations.entities.Account;
  66import eu.siacs.conversations.entities.Contact;
  67import eu.siacs.conversations.entities.Conversation;
  68import eu.siacs.conversations.entities.Message;
  69import eu.siacs.conversations.entities.Presences;
  70import eu.siacs.conversations.services.AvatarService;
  71import eu.siacs.conversations.services.BarcodeProvider;
  72import eu.siacs.conversations.services.QuickConversationsService;
  73import eu.siacs.conversations.services.XmppConnectionService;
  74import eu.siacs.conversations.services.XmppConnectionService.XmppConnectionBinder;
  75import eu.siacs.conversations.ui.service.EmojiService;
  76import eu.siacs.conversations.ui.util.MenuDoubleTabUtil;
  77import eu.siacs.conversations.ui.util.PresenceSelector;
  78import eu.siacs.conversations.ui.util.SoftKeyboardUtils;
  79import eu.siacs.conversations.utils.AccountUtils;
  80import eu.siacs.conversations.utils.ExceptionHelper;
  81import eu.siacs.conversations.utils.ThemeHelper;
  82import eu.siacs.conversations.xmpp.Jid;
  83import eu.siacs.conversations.xmpp.OnKeyStatusUpdated;
  84import eu.siacs.conversations.xmpp.OnUpdateBlocklist;
  85
  86public abstract class XmppActivity extends ActionBarActivity {
  87
  88    public static final String EXTRA_ACCOUNT = "account";
  89    protected static final int REQUEST_ANNOUNCE_PGP = 0x0101;
  90    protected static final int REQUEST_INVITE_TO_CONVERSATION = 0x0102;
  91    protected static final int REQUEST_CHOOSE_PGP_ID = 0x0103;
  92    protected static final int REQUEST_BATTERY_OP = 0x49ff;
  93    public XmppConnectionService xmppConnectionService;
  94    public boolean xmppConnectionServiceBound = false;
  95
  96    protected static final String FRAGMENT_TAG_DIALOG = "dialog";
  97
  98    private boolean isCameraFeatureAvailable = false;
  99
 100    protected int mTheme;
 101    protected boolean mUsingEnterKey = false;
 102    protected boolean mUseTor = false;
 103    protected Toast mToast;
 104    public Runnable onOpenPGPKeyPublished = () -> Toast.makeText(XmppActivity.this, R.string.openpgp_has_been_published, Toast.LENGTH_SHORT).show();
 105    protected ConferenceInvite mPendingConferenceInvite = null;
 106    protected ServiceConnection mConnection = new ServiceConnection() {
 107
 108        @Override
 109        public void onServiceConnected(ComponentName className, IBinder service) {
 110            XmppConnectionBinder binder = (XmppConnectionBinder) service;
 111            xmppConnectionService = binder.getService();
 112            xmppConnectionServiceBound = true;
 113            registerListeners();
 114            onBackendConnected();
 115        }
 116
 117        @Override
 118        public void onServiceDisconnected(ComponentName arg0) {
 119            xmppConnectionServiceBound = false;
 120        }
 121    };
 122    private DisplayMetrics metrics;
 123    private long mLastUiRefresh = 0;
 124    private final Handler mRefreshUiHandler = new Handler();
 125    private final Runnable mRefreshUiRunnable = () -> {
 126        mLastUiRefresh = SystemClock.elapsedRealtime();
 127        refreshUiReal();
 128    };
 129    private final UiCallback<Conversation> adhocCallback = new UiCallback<Conversation>() {
 130        @Override
 131        public void success(final Conversation conversation) {
 132            runOnUiThread(() -> {
 133                switchToConversation(conversation);
 134                hideToast();
 135            });
 136        }
 137
 138        @Override
 139        public void error(final int errorCode, Conversation object) {
 140            runOnUiThread(() -> replaceToast(getString(errorCode)));
 141        }
 142
 143        @Override
 144        public void userInputRequired(PendingIntent pi, Conversation object) {
 145
 146        }
 147    };
 148    public boolean mSkipBackgroundBinding = false;
 149
 150    public static boolean cancelPotentialWork(Message message, ImageView imageView) {
 151        final BitmapWorkerTask bitmapWorkerTask = getBitmapWorkerTask(imageView);
 152
 153        if (bitmapWorkerTask != null) {
 154            final Message oldMessage = bitmapWorkerTask.message;
 155            if (oldMessage == null || message != oldMessage) {
 156                bitmapWorkerTask.cancel(true);
 157            } else {
 158                return false;
 159            }
 160        }
 161        return true;
 162    }
 163
 164    private static BitmapWorkerTask getBitmapWorkerTask(ImageView imageView) {
 165        if (imageView != null) {
 166            final Drawable drawable = imageView.getDrawable();
 167            if (drawable instanceof AsyncDrawable) {
 168                final AsyncDrawable asyncDrawable = (AsyncDrawable) drawable;
 169                return asyncDrawable.getBitmapWorkerTask();
 170            }
 171        }
 172        return null;
 173    }
 174
 175    protected void hideToast() {
 176        if (mToast != null) {
 177            mToast.cancel();
 178        }
 179    }
 180
 181    protected void replaceToast(String msg) {
 182        replaceToast(msg, true);
 183    }
 184
 185    protected void replaceToast(String msg, boolean showlong) {
 186        hideToast();
 187        mToast = Toast.makeText(this, msg, showlong ? Toast.LENGTH_LONG : Toast.LENGTH_SHORT);
 188        mToast.show();
 189    }
 190
 191    protected final void refreshUi() {
 192        final long diff = SystemClock.elapsedRealtime() - mLastUiRefresh;
 193        if (diff > Config.REFRESH_UI_INTERVAL) {
 194            mRefreshUiHandler.removeCallbacks(mRefreshUiRunnable);
 195            runOnUiThread(mRefreshUiRunnable);
 196        } else {
 197            final long next = Config.REFRESH_UI_INTERVAL - diff;
 198            mRefreshUiHandler.removeCallbacks(mRefreshUiRunnable);
 199            mRefreshUiHandler.postDelayed(mRefreshUiRunnable, next);
 200        }
 201    }
 202
 203    abstract protected void refreshUiReal();
 204
 205    @Override
 206    protected void onStart() {
 207        super.onStart();
 208        if (!xmppConnectionServiceBound) {
 209            if (this.mSkipBackgroundBinding) {
 210                Log.d(Config.LOGTAG, "skipping background binding");
 211            } else {
 212                connectToBackend();
 213            }
 214        } else {
 215            this.registerListeners();
 216            this.onBackendConnected();
 217        }
 218        this.mUsingEnterKey = usingEnterKey();
 219        this.mUseTor = useTor();
 220    }
 221
 222    public void connectToBackend() {
 223        Intent intent = new Intent(this, XmppConnectionService.class);
 224        intent.setAction("ui");
 225        try {
 226            startService(intent);
 227        } catch (IllegalStateException e) {
 228            Log.w(Config.LOGTAG, "unable to start service from " + getClass().getSimpleName());
 229        }
 230        bindService(intent, mConnection, Context.BIND_AUTO_CREATE);
 231    }
 232
 233    @Override
 234    protected void onStop() {
 235        super.onStop();
 236        if (xmppConnectionServiceBound) {
 237            this.unregisterListeners();
 238            unbindService(mConnection);
 239            xmppConnectionServiceBound = false;
 240        }
 241    }
 242
 243
 244    public boolean hasPgp() {
 245        return xmppConnectionService.getPgpEngine() != null;
 246    }
 247
 248    public void showInstallPgpDialog() {
 249        Builder builder = new AlertDialog.Builder(this);
 250        builder.setTitle(getString(R.string.openkeychain_required));
 251        builder.setIconAttribute(android.R.attr.alertDialogIcon);
 252        builder.setMessage(Html.fromHtml(getString(R.string.openkeychain_required_long, getString(R.string.app_name))));
 253        builder.setNegativeButton(getString(R.string.cancel), null);
 254        builder.setNeutralButton(getString(R.string.restart),
 255                (dialog, which) -> {
 256                    if (xmppConnectionServiceBound) {
 257                        unbindService(mConnection);
 258                        xmppConnectionServiceBound = false;
 259                    }
 260                    stopService(new Intent(XmppActivity.this,
 261                            XmppConnectionService.class));
 262                    finish();
 263                });
 264        builder.setPositiveButton(getString(R.string.install),
 265                (dialog, which) -> {
 266                    Uri uri = Uri
 267                            .parse("market://details?id=org.sufficientlysecure.keychain");
 268                    Intent marketIntent = new Intent(Intent.ACTION_VIEW,
 269                            uri);
 270                    PackageManager manager = getApplicationContext()
 271                            .getPackageManager();
 272                    List<ResolveInfo> infos = manager
 273                            .queryIntentActivities(marketIntent, 0);
 274                    if (infos.size() > 0) {
 275                        startActivity(marketIntent);
 276                    } else {
 277                        uri = Uri.parse("http://www.openkeychain.org/");
 278                        Intent browserIntent = new Intent(
 279                                Intent.ACTION_VIEW, uri);
 280                        startActivity(browserIntent);
 281                    }
 282                    finish();
 283                });
 284        builder.create().show();
 285    }
 286
 287    abstract void onBackendConnected();
 288
 289    protected void registerListeners() {
 290        if (this instanceof XmppConnectionService.OnConversationUpdate) {
 291            this.xmppConnectionService.setOnConversationListChangedListener((XmppConnectionService.OnConversationUpdate) this);
 292        }
 293        if (this instanceof XmppConnectionService.OnAccountUpdate) {
 294            this.xmppConnectionService.setOnAccountListChangedListener((XmppConnectionService.OnAccountUpdate) this);
 295        }
 296        if (this instanceof XmppConnectionService.OnCaptchaRequested) {
 297            this.xmppConnectionService.setOnCaptchaRequestedListener((XmppConnectionService.OnCaptchaRequested) this);
 298        }
 299        if (this instanceof XmppConnectionService.OnRosterUpdate) {
 300            this.xmppConnectionService.setOnRosterUpdateListener((XmppConnectionService.OnRosterUpdate) this);
 301        }
 302        if (this instanceof XmppConnectionService.OnMucRosterUpdate) {
 303            this.xmppConnectionService.setOnMucRosterUpdateListener((XmppConnectionService.OnMucRosterUpdate) this);
 304        }
 305        if (this instanceof OnUpdateBlocklist) {
 306            this.xmppConnectionService.setOnUpdateBlocklistListener((OnUpdateBlocklist) this);
 307        }
 308        if (this instanceof XmppConnectionService.OnShowErrorToast) {
 309            this.xmppConnectionService.setOnShowErrorToastListener((XmppConnectionService.OnShowErrorToast) this);
 310        }
 311        if (this instanceof OnKeyStatusUpdated) {
 312            this.xmppConnectionService.setOnKeyStatusUpdatedListener((OnKeyStatusUpdated) this);
 313        }
 314        if (this instanceof XmppConnectionService.OnJingleRtpConnectionUpdate) {
 315            this.xmppConnectionService.setOnRtpConnectionUpdateListener((XmppConnectionService.OnJingleRtpConnectionUpdate) this);
 316        }
 317    }
 318
 319    protected void unregisterListeners() {
 320        if (this instanceof XmppConnectionService.OnConversationUpdate) {
 321            this.xmppConnectionService.removeOnConversationListChangedListener((XmppConnectionService.OnConversationUpdate) this);
 322        }
 323        if (this instanceof XmppConnectionService.OnAccountUpdate) {
 324            this.xmppConnectionService.removeOnAccountListChangedListener((XmppConnectionService.OnAccountUpdate) this);
 325        }
 326        if (this instanceof XmppConnectionService.OnCaptchaRequested) {
 327            this.xmppConnectionService.removeOnCaptchaRequestedListener((XmppConnectionService.OnCaptchaRequested) this);
 328        }
 329        if (this instanceof XmppConnectionService.OnRosterUpdate) {
 330            this.xmppConnectionService.removeOnRosterUpdateListener((XmppConnectionService.OnRosterUpdate) this);
 331        }
 332        if (this instanceof XmppConnectionService.OnMucRosterUpdate) {
 333            this.xmppConnectionService.removeOnMucRosterUpdateListener((XmppConnectionService.OnMucRosterUpdate) this);
 334        }
 335        if (this instanceof OnUpdateBlocklist) {
 336            this.xmppConnectionService.removeOnUpdateBlocklistListener((OnUpdateBlocklist) this);
 337        }
 338        if (this instanceof XmppConnectionService.OnShowErrorToast) {
 339            this.xmppConnectionService.removeOnShowErrorToastListener((XmppConnectionService.OnShowErrorToast) this);
 340        }
 341        if (this instanceof OnKeyStatusUpdated) {
 342            this.xmppConnectionService.removeOnNewKeysAvailableListener((OnKeyStatusUpdated) this);
 343        }
 344        if (this instanceof XmppConnectionService.OnJingleRtpConnectionUpdate) {
 345            this.xmppConnectionService.removeRtpConnectionUpdateListener((XmppConnectionService.OnJingleRtpConnectionUpdate) this);
 346        }
 347    }
 348
 349    @Override
 350    public boolean onOptionsItemSelected(final MenuItem item) {
 351        switch (item.getItemId()) {
 352            case R.id.action_settings:
 353                startActivity(new Intent(this, SettingsActivity.class));
 354                break;
 355            case R.id.action_accounts:
 356                AccountUtils.launchManageAccounts(this);
 357                break;
 358            case R.id.action_account:
 359                AccountUtils.launchManageAccount(this);
 360                break;
 361            case android.R.id.home:
 362                finish();
 363                break;
 364            case R.id.action_show_qr_code:
 365                showQrCode();
 366                break;
 367        }
 368        return super.onOptionsItemSelected(item);
 369    }
 370
 371    public void selectPresence(final Conversation conversation, final PresenceSelector.OnPresenceSelected listener) {
 372        final Contact contact = conversation.getContact();
 373        if (contact.showInRoster() || contact.isSelf()) {
 374            final Presences presences = contact.getPresences();
 375            if (presences.size() == 0) {
 376                if (contact.isSelf()) {
 377                    conversation.setNextCounterpart(null);
 378                    listener.onPresenceSelected();
 379                } else if (!contact.getOption(Contact.Options.TO)
 380                        && !contact.getOption(Contact.Options.ASKING)
 381                        && contact.getAccount().getStatus() == Account.State.ONLINE) {
 382                    showAskForPresenceDialog(contact);
 383                } else if (!contact.getOption(Contact.Options.TO)
 384                        || !contact.getOption(Contact.Options.FROM)) {
 385                    PresenceSelector.warnMutualPresenceSubscription(this, conversation, listener);
 386                } else {
 387                    conversation.setNextCounterpart(null);
 388                    listener.onPresenceSelected();
 389                }
 390            } else if (presences.size() == 1) {
 391                final String presence = presences.toResourceArray()[0];
 392                conversation.setNextCounterpart(PresenceSelector.getNextCounterpart(contact, presence));
 393                listener.onPresenceSelected();
 394            } else {
 395                PresenceSelector.showPresenceSelectionDialog(this, conversation, listener);
 396            }
 397        } else {
 398            showAddToRosterDialog(conversation.getContact());
 399        }
 400    }
 401
 402    @SuppressLint("UnsupportedChromeOsCameraSystemFeature")
 403    @Override
 404    protected void onCreate(Bundle savedInstanceState) {
 405        super.onCreate(savedInstanceState);
 406        metrics = getResources().getDisplayMetrics();
 407        ExceptionHelper.init(getApplicationContext());
 408        new EmojiService(this).init();
 409        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) {
 410            this.isCameraFeatureAvailable = getPackageManager().hasSystemFeature(PackageManager.FEATURE_CAMERA_ANY);
 411        } else {
 412            this.isCameraFeatureAvailable = getPackageManager().hasSystemFeature(PackageManager.FEATURE_CAMERA);
 413        }
 414        this.mTheme = findTheme();
 415        setTheme(this.mTheme);
 416    }
 417
 418    protected boolean isCameraFeatureAvailable() {
 419        return this.isCameraFeatureAvailable;
 420    }
 421
 422    public boolean isDarkTheme() {
 423        return ThemeHelper.isDark(mTheme);
 424    }
 425
 426    public int getThemeResource(int r_attr_name, int r_drawable_def) {
 427        int[] attrs = {r_attr_name};
 428        TypedArray ta = this.getTheme().obtainStyledAttributes(attrs);
 429
 430        int res = ta.getResourceId(0, r_drawable_def);
 431        ta.recycle();
 432
 433        return res;
 434    }
 435
 436    protected boolean isOptimizingBattery() {
 437        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 438            final PowerManager pm = (PowerManager) getSystemService(POWER_SERVICE);
 439            return pm != null
 440                    && !pm.isIgnoringBatteryOptimizations(getPackageName());
 441        } else {
 442            return false;
 443        }
 444    }
 445
 446    protected boolean isAffectedByDataSaver() {
 447        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
 448            final ConnectivityManager cm = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
 449            return cm != null
 450                    && cm.isActiveNetworkMetered()
 451                    && cm.getRestrictBackgroundStatus() == ConnectivityManager.RESTRICT_BACKGROUND_STATUS_ENABLED;
 452        } else {
 453            return false;
 454        }
 455    }
 456
 457    private boolean usingEnterKey() {
 458        return getBooleanPreference("display_enter_key", R.bool.display_enter_key);
 459    }
 460
 461    private boolean useTor() {
 462        return QuickConversationsService.isConversations() && getBooleanPreference("use_tor", R.bool.use_tor);
 463    }
 464
 465    protected SharedPreferences getPreferences() {
 466        return PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
 467    }
 468
 469    protected boolean getBooleanPreference(String name, @BoolRes int res) {
 470        return getPreferences().getBoolean(name, getResources().getBoolean(res));
 471    }
 472
 473    public void switchToConversation(Conversation conversation) {
 474        switchToConversation(conversation, null);
 475    }
 476
 477    public void switchToConversationAndQuote(Conversation conversation, String text) {
 478        switchToConversation(conversation, text, true, null, false, false);
 479    }
 480
 481    public void switchToConversation(Conversation conversation, String text) {
 482        switchToConversation(conversation, text, false, null, false, false);
 483    }
 484
 485    public void switchToConversationDoNotAppend(Conversation conversation, String text) {
 486        switchToConversation(conversation, text, false, null, false, true);
 487    }
 488
 489    public void highlightInMuc(Conversation conversation, String nick) {
 490        switchToConversation(conversation, null, false, nick, false, false);
 491    }
 492
 493    public void privateMsgInMuc(Conversation conversation, String nick) {
 494        switchToConversation(conversation, null, false, nick, true, false);
 495    }
 496
 497    private void switchToConversation(Conversation conversation, String text, boolean asQuote, String nick, boolean pm, boolean doNotAppend) {
 498        Intent intent = new Intent(this, ConversationsActivity.class);
 499        intent.setAction(ConversationsActivity.ACTION_VIEW_CONVERSATION);
 500        intent.putExtra(ConversationsActivity.EXTRA_CONVERSATION, conversation.getUuid());
 501        if (text != null) {
 502            intent.putExtra(Intent.EXTRA_TEXT, text);
 503            if (asQuote) {
 504                intent.putExtra(ConversationsActivity.EXTRA_AS_QUOTE, true);
 505            }
 506        }
 507        if (nick != null) {
 508            intent.putExtra(ConversationsActivity.EXTRA_NICK, nick);
 509            intent.putExtra(ConversationsActivity.EXTRA_IS_PRIVATE_MESSAGE, pm);
 510        }
 511        if (doNotAppend) {
 512            intent.putExtra(ConversationsActivity.EXTRA_DO_NOT_APPEND, true);
 513        }
 514        intent.setFlags(intent.getFlags() | Intent.FLAG_ACTIVITY_CLEAR_TOP);
 515        startActivity(intent);
 516        finish();
 517    }
 518
 519    public void switchToContactDetails(Contact contact) {
 520        switchToContactDetails(contact, null);
 521    }
 522
 523    public void switchToContactDetails(Contact contact, String messageFingerprint) {
 524        Intent intent = new Intent(this, ContactDetailsActivity.class);
 525        intent.setAction(ContactDetailsActivity.ACTION_VIEW_CONTACT);
 526        intent.putExtra(EXTRA_ACCOUNT, contact.getAccount().getJid().asBareJid().toEscapedString());
 527        intent.putExtra("contact", contact.getJid().toEscapedString());
 528        intent.putExtra("fingerprint", messageFingerprint);
 529        startActivity(intent);
 530    }
 531
 532    public void switchToAccount(Account account, String fingerprint) {
 533        switchToAccount(account, false, fingerprint);
 534    }
 535
 536    public void switchToAccount(Account account) {
 537        switchToAccount(account, false, null);
 538    }
 539
 540    public void switchToAccount(Account account, boolean init, String fingerprint) {
 541        Intent intent = new Intent(this, EditAccountActivity.class);
 542        intent.putExtra("jid", account.getJid().asBareJid().toEscapedString());
 543        intent.putExtra("init", init);
 544        if (init) {
 545            intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK | Intent.FLAG_ACTIVITY_NO_ANIMATION);
 546        }
 547        if (fingerprint != null) {
 548            intent.putExtra("fingerprint", fingerprint);
 549        }
 550        startActivity(intent);
 551        if (init) {
 552            overridePendingTransition(0, 0);
 553        }
 554    }
 555
 556    protected void delegateUriPermissionsToService(Uri uri) {
 557        Intent intent = new Intent(this, XmppConnectionService.class);
 558        intent.setAction(Intent.ACTION_SEND);
 559        intent.setData(uri);
 560        intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
 561        try {
 562            startService(intent);
 563        } catch (Exception e) {
 564            Log.e(Config.LOGTAG, "unable to delegate uri permission", e);
 565        }
 566    }
 567
 568    protected void inviteToConversation(Conversation conversation) {
 569        startActivityForResult(ChooseContactActivity.create(this, conversation), REQUEST_INVITE_TO_CONVERSATION);
 570    }
 571
 572    protected void announcePgp(final Account account, final Conversation conversation, Intent intent, final Runnable onSuccess) {
 573        if (account.getPgpId() == 0) {
 574            choosePgpSignId(account);
 575        } else {
 576            String status = null;
 577            if (manuallyChangePresence()) {
 578                status = account.getPresenceStatusMessage();
 579            }
 580            if (status == null) {
 581                status = "";
 582            }
 583            xmppConnectionService.getPgpEngine().generateSignature(intent, account, status, new UiCallback<String>() {
 584
 585                @Override
 586                public void userInputRequired(PendingIntent pi, String signature) {
 587                    try {
 588                        startIntentSenderForResult(pi.getIntentSender(), REQUEST_ANNOUNCE_PGP, null, 0, 0, 0);
 589                    } catch (final SendIntentException ignored) {
 590                    }
 591                }
 592
 593                @Override
 594                public void success(String signature) {
 595                    account.setPgpSignature(signature);
 596                    xmppConnectionService.databaseBackend.updateAccount(account);
 597                    xmppConnectionService.sendPresence(account);
 598                    if (conversation != null) {
 599                        conversation.setNextEncryption(Message.ENCRYPTION_PGP);
 600                        xmppConnectionService.updateConversation(conversation);
 601                        refreshUi();
 602                    }
 603                    if (onSuccess != null) {
 604                        runOnUiThread(onSuccess);
 605                    }
 606                }
 607
 608                @Override
 609                public void error(int error, String signature) {
 610                    if (error == 0) {
 611                        account.setPgpSignId(0);
 612                        account.unsetPgpSignature();
 613                        xmppConnectionService.databaseBackend.updateAccount(account);
 614                        choosePgpSignId(account);
 615                    } else {
 616                        displayErrorDialog(error);
 617                    }
 618                }
 619            });
 620        }
 621    }
 622
 623    @SuppressWarnings("deprecation")
 624    @TargetApi(Build.VERSION_CODES.JELLY_BEAN)
 625    protected void setListItemBackgroundOnView(View view) {
 626        int sdk = android.os.Build.VERSION.SDK_INT;
 627        if (sdk < android.os.Build.VERSION_CODES.JELLY_BEAN) {
 628            view.setBackgroundDrawable(getResources().getDrawable(R.drawable.greybackground));
 629        } else {
 630            view.setBackground(getResources().getDrawable(R.drawable.greybackground));
 631        }
 632    }
 633
 634    protected void choosePgpSignId(Account account) {
 635        xmppConnectionService.getPgpEngine().chooseKey(account, new UiCallback<Account>() {
 636            @Override
 637            public void success(Account account1) {
 638            }
 639
 640            @Override
 641            public void error(int errorCode, Account object) {
 642
 643            }
 644
 645            @Override
 646            public void userInputRequired(PendingIntent pi, Account object) {
 647                try {
 648                    startIntentSenderForResult(pi.getIntentSender(),
 649                            REQUEST_CHOOSE_PGP_ID, null, 0, 0, 0);
 650                } catch (final SendIntentException ignored) {
 651                }
 652            }
 653        });
 654    }
 655
 656    protected void displayErrorDialog(final int errorCode) {
 657        runOnUiThread(() -> {
 658            Builder builder = new Builder(XmppActivity.this);
 659            builder.setIconAttribute(android.R.attr.alertDialogIcon);
 660            builder.setTitle(getString(R.string.error));
 661            builder.setMessage(errorCode);
 662            builder.setNeutralButton(R.string.accept, null);
 663            builder.create().show();
 664        });
 665
 666    }
 667
 668    protected void showAddToRosterDialog(final Contact contact) {
 669        AlertDialog.Builder builder = new AlertDialog.Builder(this);
 670        builder.setTitle(contact.getJid().toString());
 671        builder.setMessage(getString(R.string.not_in_roster));
 672        builder.setNegativeButton(getString(R.string.cancel), null);
 673        builder.setPositiveButton(getString(R.string.add_contact), (dialog, which) -> xmppConnectionService.createContact(contact, true));
 674        builder.create().show();
 675    }
 676
 677    private void showAskForPresenceDialog(final Contact contact) {
 678        AlertDialog.Builder builder = new AlertDialog.Builder(this);
 679        builder.setTitle(contact.getJid().toString());
 680        builder.setMessage(R.string.request_presence_updates);
 681        builder.setNegativeButton(R.string.cancel, null);
 682        builder.setPositiveButton(R.string.request_now,
 683                (dialog, which) -> {
 684                    if (xmppConnectionServiceBound) {
 685                        xmppConnectionService.sendPresencePacket(contact
 686                                .getAccount(), xmppConnectionService
 687                                .getPresenceGenerator()
 688                                .requestPresenceUpdatesFrom(contact));
 689                    }
 690                });
 691        builder.create().show();
 692    }
 693
 694    protected void quickEdit(String previousValue, @StringRes int hint, OnValueEdited callback) {
 695        quickEdit(previousValue, callback, hint, false, false);
 696    }
 697
 698    protected void quickEdit(String previousValue, @StringRes int hint, OnValueEdited callback, boolean permitEmpty) {
 699        quickEdit(previousValue, callback, hint, false, permitEmpty);
 700    }
 701
 702    protected void quickPasswordEdit(String previousValue, OnValueEdited callback) {
 703        quickEdit(previousValue, callback, R.string.password, true, false);
 704    }
 705
 706    @SuppressLint("InflateParams")
 707    private void quickEdit(final String previousValue,
 708                           final OnValueEdited callback,
 709                           final @StringRes int hint,
 710                           boolean password,
 711                           boolean permitEmpty) {
 712        AlertDialog.Builder builder = new AlertDialog.Builder(this);
 713        DialogQuickeditBinding binding = DataBindingUtil.inflate(getLayoutInflater(), R.layout.dialog_quickedit, null, false);
 714        if (password) {
 715            binding.inputEditText.setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_PASSWORD);
 716        }
 717        builder.setPositiveButton(R.string.accept, null);
 718        if (hint != 0) {
 719            binding.inputLayout.setHint(getString(hint));
 720        }
 721        binding.inputEditText.requestFocus();
 722        if (previousValue != null) {
 723            binding.inputEditText.getText().append(previousValue);
 724        }
 725        builder.setView(binding.getRoot());
 726        builder.setNegativeButton(R.string.cancel, null);
 727        final AlertDialog dialog = builder.create();
 728        dialog.setOnShowListener(d -> SoftKeyboardUtils.showKeyboard(binding.inputEditText));
 729        dialog.show();
 730        View.OnClickListener clickListener = v -> {
 731            String value = binding.inputEditText.getText().toString();
 732            if (!value.equals(previousValue) && (!value.trim().isEmpty() || permitEmpty)) {
 733                String error = callback.onValueEdited(value);
 734                if (error != null) {
 735                    binding.inputLayout.setError(error);
 736                    return;
 737                }
 738            }
 739            SoftKeyboardUtils.hideSoftKeyboard(binding.inputEditText);
 740            dialog.dismiss();
 741        };
 742        dialog.getButton(DialogInterface.BUTTON_POSITIVE).setOnClickListener(clickListener);
 743        dialog.getButton(DialogInterface.BUTTON_NEGATIVE).setOnClickListener((v -> {
 744            SoftKeyboardUtils.hideSoftKeyboard(binding.inputEditText);
 745            dialog.dismiss();
 746        }));
 747        dialog.setCanceledOnTouchOutside(false);
 748        dialog.setOnDismissListener(dialog1 -> {
 749            SoftKeyboardUtils.hideSoftKeyboard(binding.inputEditText);
 750        });
 751    }
 752
 753    protected boolean hasStoragePermission(int requestCode) {
 754        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 755            if (checkSelfPermission(Manifest.permission.WRITE_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED) {
 756                requestPermissions(new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE}, requestCode);
 757                return false;
 758            } else {
 759                return true;
 760            }
 761        } else {
 762            return true;
 763        }
 764    }
 765
 766    protected void onActivityResult(int requestCode, int resultCode, final Intent data) {
 767        super.onActivityResult(requestCode, resultCode, data);
 768        if (requestCode == REQUEST_INVITE_TO_CONVERSATION && resultCode == RESULT_OK) {
 769            mPendingConferenceInvite = ConferenceInvite.parse(data);
 770            if (xmppConnectionServiceBound && mPendingConferenceInvite != null) {
 771                if (mPendingConferenceInvite.execute(this)) {
 772                    mToast = Toast.makeText(this, R.string.creating_conference, Toast.LENGTH_LONG);
 773                    mToast.show();
 774                }
 775                mPendingConferenceInvite = null;
 776            }
 777        }
 778    }
 779
 780    public boolean copyTextToClipboard(String text, int labelResId) {
 781        ClipboardManager mClipBoardManager = (ClipboardManager) getSystemService(CLIPBOARD_SERVICE);
 782        String label = getResources().getString(labelResId);
 783        if (mClipBoardManager != null) {
 784            ClipData mClipData = ClipData.newPlainText(label, text);
 785            mClipBoardManager.setPrimaryClip(mClipData);
 786            return true;
 787        }
 788        return false;
 789    }
 790
 791    protected boolean manuallyChangePresence() {
 792        return getBooleanPreference(SettingsActivity.MANUALLY_CHANGE_PRESENCE, R.bool.manually_change_presence);
 793    }
 794
 795    protected String getShareableUri() {
 796        return getShareableUri(false);
 797    }
 798
 799    protected String getShareableUri(boolean http) {
 800        return null;
 801    }
 802
 803    protected void shareLink(boolean http) {
 804        String uri = getShareableUri(http);
 805        if (uri == null || uri.isEmpty()) {
 806            return;
 807        }
 808        Intent intent = new Intent(Intent.ACTION_SEND);
 809        intent.setType("text/plain");
 810        intent.putExtra(Intent.EXTRA_TEXT, getShareableUri(http));
 811        try {
 812            startActivity(Intent.createChooser(intent, getText(R.string.share_uri_with)));
 813        } catch (ActivityNotFoundException e) {
 814            Toast.makeText(this, R.string.no_application_to_share_uri, Toast.LENGTH_SHORT).show();
 815        }
 816    }
 817
 818    protected void launchOpenKeyChain(long keyId) {
 819        PgpEngine pgp = XmppActivity.this.xmppConnectionService.getPgpEngine();
 820        try {
 821            startIntentSenderForResult(
 822                    pgp.getIntentForKey(keyId).getIntentSender(), 0, null, 0,
 823                    0, 0);
 824        } catch (Throwable e) {
 825            Toast.makeText(XmppActivity.this, R.string.openpgp_error, Toast.LENGTH_SHORT).show();
 826        }
 827    }
 828
 829    @Override
 830    public void onResume() {
 831        super.onResume();
 832    }
 833
 834    protected int findTheme() {
 835        return ThemeHelper.find(this);
 836    }
 837
 838    @Override
 839    public void onPause() {
 840        super.onPause();
 841    }
 842
 843    @Override
 844    public boolean onMenuOpened(int id, Menu menu) {
 845        if (id == AppCompatDelegate.FEATURE_SUPPORT_ACTION_BAR && menu != null) {
 846            MenuDoubleTabUtil.recordMenuOpen();
 847        }
 848        return super.onMenuOpened(id, menu);
 849    }
 850
 851    protected void showQrCode() {
 852        showQrCode(getShareableUri());
 853    }
 854
 855    protected void showQrCode(final String uri) {
 856        if (uri == null || uri.isEmpty()) {
 857            return;
 858        }
 859        Point size = new Point();
 860        getWindowManager().getDefaultDisplay().getSize(size);
 861        final int width = (size.x < size.y ? size.x : size.y);
 862        Bitmap bitmap = BarcodeProvider.create2dBarcodeBitmap(uri, width);
 863        ImageView view = new ImageView(this);
 864        view.setBackgroundColor(Color.WHITE);
 865        view.setImageBitmap(bitmap);
 866        AlertDialog.Builder builder = new AlertDialog.Builder(this);
 867        builder.setView(view);
 868        builder.create().show();
 869    }
 870
 871    protected Account extractAccount(Intent intent) {
 872        final String jid = intent != null ? intent.getStringExtra(EXTRA_ACCOUNT) : null;
 873        try {
 874            return jid != null ? xmppConnectionService.findAccountByJid(Jid.ofEscaped(jid)) : null;
 875        } catch (IllegalArgumentException e) {
 876            return null;
 877        }
 878    }
 879
 880    public AvatarService avatarService() {
 881        return xmppConnectionService.getAvatarService();
 882    }
 883
 884    public void loadBitmap(Message message, ImageView imageView) {
 885        Bitmap bm;
 886        try {
 887            bm = xmppConnectionService.getFileBackend().getThumbnail(message, (int) (metrics.density * 288), true);
 888        } catch (IOException e) {
 889            bm = null;
 890        }
 891        if (bm != null) {
 892            cancelPotentialWork(message, imageView);
 893            imageView.setImageBitmap(bm);
 894            imageView.setBackgroundColor(0x00000000);
 895        } else {
 896            if (cancelPotentialWork(message, imageView)) {
 897                imageView.setBackgroundColor(0xff333333);
 898                imageView.setImageDrawable(null);
 899                final BitmapWorkerTask task = new BitmapWorkerTask(imageView);
 900                final AsyncDrawable asyncDrawable = new AsyncDrawable(
 901                        getResources(), null, task);
 902                imageView.setImageDrawable(asyncDrawable);
 903                try {
 904                    task.execute(message);
 905                } catch (final RejectedExecutionException ignored) {
 906                    ignored.printStackTrace();
 907                }
 908            }
 909        }
 910    }
 911
 912    protected interface OnValueEdited {
 913        String onValueEdited(String value);
 914    }
 915
 916    public static class ConferenceInvite {
 917        private String uuid;
 918        private final List<Jid> jids = new ArrayList<>();
 919
 920        public static ConferenceInvite parse(Intent data) {
 921            ConferenceInvite invite = new ConferenceInvite();
 922            invite.uuid = data.getStringExtra(ChooseContactActivity.EXTRA_CONVERSATION);
 923            if (invite.uuid == null) {
 924                return null;
 925            }
 926            invite.jids.addAll(ChooseContactActivity.extractJabberIds(data));
 927            return invite;
 928        }
 929
 930        public boolean execute(XmppActivity activity) {
 931            XmppConnectionService service = activity.xmppConnectionService;
 932            Conversation conversation = service.findConversationByUuid(this.uuid);
 933            if (conversation == null) {
 934                return false;
 935            }
 936            if (conversation.getMode() == Conversation.MODE_MULTI) {
 937                for (Jid jid : jids) {
 938                    service.invite(conversation, jid);
 939                }
 940                return false;
 941            } else {
 942                jids.add(conversation.getJid().asBareJid());
 943                return service.createAdhocConference(conversation.getAccount(), null, jids, activity.adhocCallback);
 944            }
 945        }
 946    }
 947
 948    static class BitmapWorkerTask extends AsyncTask<Message, Void, Bitmap> {
 949        private final WeakReference<ImageView> imageViewReference;
 950        private Message message = null;
 951
 952        private BitmapWorkerTask(ImageView imageView) {
 953            this.imageViewReference = new WeakReference<>(imageView);
 954        }
 955
 956        @Override
 957        protected Bitmap doInBackground(Message... params) {
 958            if (isCancelled()) {
 959                return null;
 960            }
 961            message = params[0];
 962            try {
 963                final XmppActivity activity = find(imageViewReference);
 964                if (activity != null && activity.xmppConnectionService != null) {
 965                    return activity.xmppConnectionService.getFileBackend().getThumbnail(message, (int) (activity.metrics.density * 288), false);
 966                } else {
 967                    return null;
 968                }
 969            } catch (IOException e) {
 970                return null;
 971            }
 972        }
 973
 974        @Override
 975        protected void onPostExecute(final Bitmap bitmap) {
 976            if (!isCancelled()) {
 977                final ImageView imageView = imageViewReference.get();
 978                if (imageView != null) {
 979                    imageView.setImageBitmap(bitmap);
 980                    imageView.setBackgroundColor(bitmap == null ? 0xff333333 : 0x00000000);
 981                }
 982            }
 983        }
 984    }
 985
 986    private static class AsyncDrawable extends BitmapDrawable {
 987        private final WeakReference<BitmapWorkerTask> bitmapWorkerTaskReference;
 988
 989        private AsyncDrawable(Resources res, Bitmap bitmap, BitmapWorkerTask bitmapWorkerTask) {
 990            super(res, bitmap);
 991            bitmapWorkerTaskReference = new WeakReference<>(bitmapWorkerTask);
 992        }
 993
 994        private BitmapWorkerTask getBitmapWorkerTask() {
 995            return bitmapWorkerTaskReference.get();
 996        }
 997    }
 998
 999    public static XmppActivity find(@NonNull WeakReference<ImageView> viewWeakReference) {
1000        final View view = viewWeakReference.get();
1001        return view == null ? null : find(view);
1002    }
1003
1004    public static XmppActivity find(@NonNull final View view) {
1005        Context context = view.getContext();
1006        while (context instanceof ContextWrapper) {
1007            if (context instanceof XmppActivity) {
1008                return (XmppActivity) context;
1009            }
1010            context = ((ContextWrapper) context).getBaseContext();
1011        }
1012        return null;
1013    }
1014}