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.databinding.DataBindingUtil;
  23import android.graphics.Bitmap;
  24import android.graphics.Color;
  25import android.graphics.Point;
  26import android.graphics.drawable.BitmapDrawable;
  27import android.graphics.drawable.Drawable;
  28import android.net.ConnectivityManager;
  29import android.net.Uri;
  30import android.os.AsyncTask;
  31import android.os.Build;
  32import android.os.Bundle;
  33import android.os.Handler;
  34import android.os.IBinder;
  35import android.os.PowerManager;
  36import android.os.SystemClock;
  37import android.preference.PreferenceManager;
  38import android.support.annotation.BoolRes;
  39import android.support.annotation.NonNull;
  40import android.support.annotation.StringRes;
  41import android.support.v7.app.AlertDialog;
  42import android.support.v7.app.AlertDialog.Builder;
  43import android.support.v7.app.AppCompatDelegate;
  44import android.text.InputType;
  45import android.util.DisplayMetrics;
  46import android.util.Log;
  47import android.view.Menu;
  48import android.view.MenuItem;
  49import android.view.View;
  50import android.widget.ImageView;
  51import android.widget.Toast;
  52
  53import java.io.IOException;
  54import java.lang.ref.WeakReference;
  55import java.util.ArrayList;
  56import java.util.List;
  57import java.util.concurrent.RejectedExecutionException;
  58
  59import eu.siacs.conversations.Config;
  60import eu.siacs.conversations.R;
  61import eu.siacs.conversations.crypto.PgpEngine;
  62import eu.siacs.conversations.databinding.DialogQuickeditBinding;
  63import eu.siacs.conversations.entities.Account;
  64import eu.siacs.conversations.entities.Contact;
  65import eu.siacs.conversations.entities.Conversation;
  66import eu.siacs.conversations.entities.Message;
  67import eu.siacs.conversations.entities.Presences;
  68import eu.siacs.conversations.services.AvatarService;
  69import eu.siacs.conversations.services.BarcodeProvider;
  70import eu.siacs.conversations.services.QuickConversationsService;
  71import eu.siacs.conversations.services.XmppConnectionService;
  72import eu.siacs.conversations.services.XmppConnectionService.XmppConnectionBinder;
  73import eu.siacs.conversations.ui.service.EmojiService;
  74import eu.siacs.conversations.ui.util.MenuDoubleTabUtil;
  75import eu.siacs.conversations.ui.util.PresenceSelector;
  76import eu.siacs.conversations.ui.util.SoftKeyboardUtils;
  77import eu.siacs.conversations.utils.AccountUtils;
  78import eu.siacs.conversations.utils.ExceptionHelper;
  79import eu.siacs.conversations.utils.ThemeHelper;
  80import eu.siacs.conversations.xmpp.OnKeyStatusUpdated;
  81import eu.siacs.conversations.xmpp.OnUpdateBlocklist;
  82import eu.siacs.conversations.xmpp.Jid;
  83
  84public abstract class XmppActivity extends ActionBarActivity {
  85
  86    public static final String EXTRA_ACCOUNT = "account";
  87    protected static final int REQUEST_ANNOUNCE_PGP = 0x0101;
  88    protected static final int REQUEST_INVITE_TO_CONVERSATION = 0x0102;
  89    protected static final int REQUEST_CHOOSE_PGP_ID = 0x0103;
  90    protected static final int REQUEST_BATTERY_OP = 0x49ff;
  91    public XmppConnectionService xmppConnectionService;
  92    public boolean xmppConnectionServiceBound = false;
  93
  94    protected static final String FRAGMENT_TAG_DIALOG = "dialog";
  95
  96    private boolean isCameraFeatureAvailable = false;
  97
  98    protected int mTheme;
  99    protected boolean mUsingEnterKey = false;
 100    protected boolean mUseTor = false;
 101    protected Toast mToast;
 102    public Runnable onOpenPGPKeyPublished = () -> Toast.makeText(XmppActivity.this, R.string.openpgp_has_been_published, Toast.LENGTH_SHORT).show();
 103    protected ConferenceInvite mPendingConferenceInvite = null;
 104    protected ServiceConnection mConnection = new ServiceConnection() {
 105
 106        @Override
 107        public void onServiceConnected(ComponentName className, IBinder service) {
 108            XmppConnectionBinder binder = (XmppConnectionBinder) service;
 109            xmppConnectionService = binder.getService();
 110            xmppConnectionServiceBound = true;
 111            registerListeners();
 112            onBackendConnected();
 113        }
 114
 115        @Override
 116        public void onServiceDisconnected(ComponentName arg0) {
 117            xmppConnectionServiceBound = false;
 118        }
 119    };
 120    private DisplayMetrics metrics;
 121    private long mLastUiRefresh = 0;
 122    private Handler mRefreshUiHandler = new Handler();
 123    private Runnable mRefreshUiRunnable = () -> {
 124        mLastUiRefresh = SystemClock.elapsedRealtime();
 125        refreshUiReal();
 126    };
 127    private UiCallback<Conversation> adhocCallback = new UiCallback<Conversation>() {
 128        @Override
 129        public void success(final Conversation conversation) {
 130            runOnUiThread(() -> {
 131                switchToConversation(conversation);
 132                hideToast();
 133            });
 134        }
 135
 136        @Override
 137        public void error(final int errorCode, Conversation object) {
 138            runOnUiThread(() -> replaceToast(getString(errorCode)));
 139        }
 140
 141        @Override
 142        public void userInputRequired(PendingIntent pi, Conversation object) {
 143
 144        }
 145    };
 146    public boolean mSkipBackgroundBinding = false;
 147
 148    public static boolean cancelPotentialWork(Message message, ImageView imageView) {
 149        final BitmapWorkerTask bitmapWorkerTask = getBitmapWorkerTask(imageView);
 150
 151        if (bitmapWorkerTask != null) {
 152            final Message oldMessage = bitmapWorkerTask.message;
 153            if (oldMessage == null || message != oldMessage) {
 154                bitmapWorkerTask.cancel(true);
 155            } else {
 156                return false;
 157            }
 158        }
 159        return true;
 160    }
 161
 162    private static BitmapWorkerTask getBitmapWorkerTask(ImageView imageView) {
 163        if (imageView != null) {
 164            final Drawable drawable = imageView.getDrawable();
 165            if (drawable instanceof AsyncDrawable) {
 166                final AsyncDrawable asyncDrawable = (AsyncDrawable) drawable;
 167                return asyncDrawable.getBitmapWorkerTask();
 168            }
 169        }
 170        return null;
 171    }
 172
 173    protected void hideToast() {
 174        if (mToast != null) {
 175            mToast.cancel();
 176        }
 177    }
 178
 179    protected void replaceToast(String msg) {
 180        replaceToast(msg, true);
 181    }
 182
 183    protected void replaceToast(String msg, boolean showlong) {
 184        hideToast();
 185        mToast = Toast.makeText(this, msg, showlong ? Toast.LENGTH_LONG : Toast.LENGTH_SHORT);
 186        mToast.show();
 187    }
 188
 189    protected final void refreshUi() {
 190        final long diff = SystemClock.elapsedRealtime() - mLastUiRefresh;
 191        if (diff > Config.REFRESH_UI_INTERVAL) {
 192            mRefreshUiHandler.removeCallbacks(mRefreshUiRunnable);
 193            runOnUiThread(mRefreshUiRunnable);
 194        } else {
 195            final long next = Config.REFRESH_UI_INTERVAL - diff;
 196            mRefreshUiHandler.removeCallbacks(mRefreshUiRunnable);
 197            mRefreshUiHandler.postDelayed(mRefreshUiRunnable, next);
 198        }
 199    }
 200
 201    abstract protected void refreshUiReal();
 202
 203    @Override
 204    protected void onStart() {
 205        super.onStart();
 206        if (!xmppConnectionServiceBound) {
 207            if (this.mSkipBackgroundBinding) {
 208                Log.d(Config.LOGTAG, "skipping background binding");
 209            } else {
 210                connectToBackend();
 211            }
 212        } else {
 213            this.registerListeners();
 214            this.onBackendConnected();
 215        }
 216        this.mUsingEnterKey = usingEnterKey();
 217        this.mUseTor = useTor();
 218    }
 219
 220    public void connectToBackend() {
 221        Intent intent = new Intent(this, XmppConnectionService.class);
 222        intent.setAction("ui");
 223        try {
 224            startService(intent);
 225        } catch (IllegalStateException e) {
 226            Log.w(Config.LOGTAG, "unable to start service from " + getClass().getSimpleName());
 227        }
 228        bindService(intent, mConnection, Context.BIND_AUTO_CREATE);
 229    }
 230
 231    @Override
 232    protected void onStop() {
 233        super.onStop();
 234        if (xmppConnectionServiceBound) {
 235            this.unregisterListeners();
 236            unbindService(mConnection);
 237            xmppConnectionServiceBound = false;
 238        }
 239    }
 240
 241
 242    public boolean hasPgp() {
 243        return xmppConnectionService.getPgpEngine() != null;
 244    }
 245
 246    public void showInstallPgpDialog() {
 247        Builder builder = new AlertDialog.Builder(this);
 248        builder.setTitle(getString(R.string.openkeychain_required));
 249        builder.setIconAttribute(android.R.attr.alertDialogIcon);
 250        builder.setMessage(getText(R.string.openkeychain_required_long));
 251        builder.setNegativeButton(getString(R.string.cancel), null);
 252        builder.setNeutralButton(getString(R.string.restart),
 253                (dialog, which) -> {
 254                    if (xmppConnectionServiceBound) {
 255                        unbindService(mConnection);
 256                        xmppConnectionServiceBound = false;
 257                    }
 258                    stopService(new Intent(XmppActivity.this,
 259                            XmppConnectionService.class));
 260                    finish();
 261                });
 262        builder.setPositiveButton(getString(R.string.install),
 263                (dialog, which) -> {
 264                    Uri uri = Uri
 265                            .parse("market://details?id=org.sufficientlysecure.keychain");
 266                    Intent marketIntent = new Intent(Intent.ACTION_VIEW,
 267                            uri);
 268                    PackageManager manager = getApplicationContext()
 269                            .getPackageManager();
 270                    List<ResolveInfo> infos = manager
 271                            .queryIntentActivities(marketIntent, 0);
 272                    if (infos.size() > 0) {
 273                        startActivity(marketIntent);
 274                    } else {
 275                        uri = Uri.parse("http://www.openkeychain.org/");
 276                        Intent browserIntent = new Intent(
 277                                Intent.ACTION_VIEW, uri);
 278                        startActivity(browserIntent);
 279                    }
 280                    finish();
 281                });
 282        builder.create().show();
 283    }
 284
 285    abstract void onBackendConnected();
 286
 287    protected void registerListeners() {
 288        if (this instanceof XmppConnectionService.OnConversationUpdate) {
 289            this.xmppConnectionService.setOnConversationListChangedListener((XmppConnectionService.OnConversationUpdate) this);
 290        }
 291        if (this instanceof XmppConnectionService.OnAccountUpdate) {
 292            this.xmppConnectionService.setOnAccountListChangedListener((XmppConnectionService.OnAccountUpdate) this);
 293        }
 294        if (this instanceof XmppConnectionService.OnCaptchaRequested) {
 295            this.xmppConnectionService.setOnCaptchaRequestedListener((XmppConnectionService.OnCaptchaRequested) this);
 296        }
 297        if (this instanceof XmppConnectionService.OnRosterUpdate) {
 298            this.xmppConnectionService.setOnRosterUpdateListener((XmppConnectionService.OnRosterUpdate) this);
 299        }
 300        if (this instanceof XmppConnectionService.OnMucRosterUpdate) {
 301            this.xmppConnectionService.setOnMucRosterUpdateListener((XmppConnectionService.OnMucRosterUpdate) this);
 302        }
 303        if (this instanceof OnUpdateBlocklist) {
 304            this.xmppConnectionService.setOnUpdateBlocklistListener((OnUpdateBlocklist) this);
 305        }
 306        if (this instanceof XmppConnectionService.OnShowErrorToast) {
 307            this.xmppConnectionService.setOnShowErrorToastListener((XmppConnectionService.OnShowErrorToast) this);
 308        }
 309        if (this instanceof OnKeyStatusUpdated) {
 310            this.xmppConnectionService.setOnKeyStatusUpdatedListener((OnKeyStatusUpdated) this);
 311        }
 312        if (this instanceof XmppConnectionService.OnJingleRtpConnectionUpdate) {
 313            this.xmppConnectionService.setOnRtpConnectionUpdateListener((XmppConnectionService.OnJingleRtpConnectionUpdate) this);
 314        }
 315    }
 316
 317    protected void unregisterListeners() {
 318        if (this instanceof XmppConnectionService.OnConversationUpdate) {
 319            this.xmppConnectionService.removeOnConversationListChangedListener((XmppConnectionService.OnConversationUpdate) this);
 320        }
 321        if (this instanceof XmppConnectionService.OnAccountUpdate) {
 322            this.xmppConnectionService.removeOnAccountListChangedListener((XmppConnectionService.OnAccountUpdate) this);
 323        }
 324        if (this instanceof XmppConnectionService.OnCaptchaRequested) {
 325            this.xmppConnectionService.removeOnCaptchaRequestedListener((XmppConnectionService.OnCaptchaRequested) this);
 326        }
 327        if (this instanceof XmppConnectionService.OnRosterUpdate) {
 328            this.xmppConnectionService.removeOnRosterUpdateListener((XmppConnectionService.OnRosterUpdate) this);
 329        }
 330        if (this instanceof XmppConnectionService.OnMucRosterUpdate) {
 331            this.xmppConnectionService.removeOnMucRosterUpdateListener((XmppConnectionService.OnMucRosterUpdate) this);
 332        }
 333        if (this instanceof OnUpdateBlocklist) {
 334            this.xmppConnectionService.removeOnUpdateBlocklistListener((OnUpdateBlocklist) this);
 335        }
 336        if (this instanceof XmppConnectionService.OnShowErrorToast) {
 337            this.xmppConnectionService.removeOnShowErrorToastListener((XmppConnectionService.OnShowErrorToast) this);
 338        }
 339        if (this instanceof OnKeyStatusUpdated) {
 340            this.xmppConnectionService.removeOnNewKeysAvailableListener((OnKeyStatusUpdated) this);
 341        }
 342        if (this instanceof XmppConnectionService.OnJingleRtpConnectionUpdate) {
 343            this.xmppConnectionService.removeRtpConnectionUpdateListener((XmppConnectionService.OnJingleRtpConnectionUpdate) this);
 344        }
 345    }
 346
 347    @Override
 348    public boolean onOptionsItemSelected(final MenuItem item) {
 349        switch (item.getItemId()) {
 350            case R.id.action_settings:
 351                startActivity(new Intent(this, SettingsActivity.class));
 352                break;
 353            case R.id.action_accounts:
 354                AccountUtils.launchManageAccounts(this);
 355                break;
 356            case R.id.action_account:
 357                AccountUtils.launchManageAccount(this);
 358                break;
 359            case android.R.id.home:
 360                finish();
 361                break;
 362            case R.id.action_show_qr_code:
 363                showQrCode();
 364                break;
 365        }
 366        return super.onOptionsItemSelected(item);
 367    }
 368
 369    public void selectPresence(final Conversation conversation, final PresenceSelector.OnPresenceSelected listener) {
 370        final Contact contact = conversation.getContact();
 371        if (!contact.showInRoster()) {
 372            showAddToRosterDialog(conversation.getContact());
 373        } else {
 374            final Presences presences = contact.getPresences();
 375            if (presences.size() == 0) {
 376                if (!contact.getOption(Contact.Options.TO)
 377                        && !contact.getOption(Contact.Options.ASKING)
 378                        && contact.getAccount().getStatus() == Account.State.ONLINE) {
 379                    showAskForPresenceDialog(contact);
 380                } else if (!contact.getOption(Contact.Options.TO)
 381                        || !contact.getOption(Contact.Options.FROM)) {
 382                    PresenceSelector.warnMutualPresenceSubscription(this, conversation, listener);
 383                } else {
 384                    conversation.setNextCounterpart(null);
 385                    listener.onPresenceSelected();
 386                }
 387            } else if (presences.size() == 1) {
 388                final String presence = presences.toResourceArray()[0];
 389                conversation.setNextCounterpart(PresenceSelector.getNextCounterpart(contact, presence));
 390                listener.onPresenceSelected();
 391            } else {
 392                PresenceSelector.showPresenceSelectionDialog(this, conversation, listener);
 393            }
 394        }
 395    }
 396
 397    @SuppressLint("UnsupportedChromeOsCameraSystemFeature")
 398    @Override
 399    protected void onCreate(Bundle savedInstanceState) {
 400        super.onCreate(savedInstanceState);
 401        metrics = getResources().getDisplayMetrics();
 402        ExceptionHelper.init(getApplicationContext());
 403        new EmojiService(this).init();
 404        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) {
 405            this.isCameraFeatureAvailable = getPackageManager().hasSystemFeature(PackageManager.FEATURE_CAMERA_ANY);
 406        } else {
 407            this.isCameraFeatureAvailable = getPackageManager().hasSystemFeature(PackageManager.FEATURE_CAMERA);
 408        }
 409        this.mTheme = findTheme();
 410        setTheme(this.mTheme);
 411    }
 412
 413    protected boolean isCameraFeatureAvailable() {
 414        return this.isCameraFeatureAvailable;
 415    }
 416
 417    public boolean isDarkTheme() {
 418        return ThemeHelper.isDark(mTheme);
 419    }
 420
 421    public int getThemeResource(int r_attr_name, int r_drawable_def) {
 422        int[] attrs = {r_attr_name};
 423        TypedArray ta = this.getTheme().obtainStyledAttributes(attrs);
 424
 425        int res = ta.getResourceId(0, r_drawable_def);
 426        ta.recycle();
 427
 428        return res;
 429    }
 430
 431    protected boolean isOptimizingBattery() {
 432        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 433            final PowerManager pm = (PowerManager) getSystemService(POWER_SERVICE);
 434            return pm != null
 435                    && !pm.isIgnoringBatteryOptimizations(getPackageName());
 436        } else {
 437            return false;
 438        }
 439    }
 440
 441    protected boolean isAffectedByDataSaver() {
 442        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
 443            final ConnectivityManager cm = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
 444            return cm != null
 445                    && cm.isActiveNetworkMetered()
 446                    && cm.getRestrictBackgroundStatus() == ConnectivityManager.RESTRICT_BACKGROUND_STATUS_ENABLED;
 447        } else {
 448            return false;
 449        }
 450    }
 451
 452    private boolean usingEnterKey() {
 453        return getBooleanPreference("display_enter_key", R.bool.display_enter_key);
 454    }
 455
 456    private boolean useTor() {
 457        return QuickConversationsService.isConversations() && getBooleanPreference("use_tor", R.bool.use_tor);
 458    }
 459
 460    protected SharedPreferences getPreferences() {
 461        return PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
 462    }
 463
 464    protected boolean getBooleanPreference(String name, @BoolRes int res) {
 465        return getPreferences().getBoolean(name, getResources().getBoolean(res));
 466    }
 467
 468    public void switchToConversation(Conversation conversation) {
 469        switchToConversation(conversation, null);
 470    }
 471
 472    public void switchToConversationAndQuote(Conversation conversation, String text) {
 473        switchToConversation(conversation, text, true, null, false, false);
 474    }
 475
 476    public void switchToConversation(Conversation conversation, String text) {
 477        switchToConversation(conversation, text, false, null, false, false);
 478    }
 479
 480    public void switchToConversationDoNotAppend(Conversation conversation, String text) {
 481        switchToConversation(conversation, text, false, null, false, true);
 482    }
 483
 484    public void highlightInMuc(Conversation conversation, String nick) {
 485        switchToConversation(conversation, null, false, nick, false, false);
 486    }
 487
 488    public void privateMsgInMuc(Conversation conversation, String nick) {
 489        switchToConversation(conversation, null, false, nick, true, false);
 490    }
 491
 492    private void switchToConversation(Conversation conversation, String text, boolean asQuote, String nick, boolean pm, boolean doNotAppend) {
 493        Intent intent = new Intent(this, ConversationsActivity.class);
 494        intent.setAction(ConversationsActivity.ACTION_VIEW_CONVERSATION);
 495        intent.putExtra(ConversationsActivity.EXTRA_CONVERSATION, conversation.getUuid());
 496        if (text != null) {
 497            intent.putExtra(Intent.EXTRA_TEXT, text);
 498            if (asQuote) {
 499                intent.putExtra(ConversationsActivity.EXTRA_AS_QUOTE, true);
 500            }
 501        }
 502        if (nick != null) {
 503            intent.putExtra(ConversationsActivity.EXTRA_NICK, nick);
 504            intent.putExtra(ConversationsActivity.EXTRA_IS_PRIVATE_MESSAGE, pm);
 505        }
 506        if (doNotAppend) {
 507            intent.putExtra(ConversationsActivity.EXTRA_DO_NOT_APPEND, true);
 508        }
 509        intent.setFlags(intent.getFlags() | Intent.FLAG_ACTIVITY_CLEAR_TOP);
 510        startActivity(intent);
 511        finish();
 512    }
 513
 514    public void switchToContactDetails(Contact contact) {
 515        switchToContactDetails(contact, null);
 516    }
 517
 518    public void switchToContactDetails(Contact contact, String messageFingerprint) {
 519        Intent intent = new Intent(this, ContactDetailsActivity.class);
 520        intent.setAction(ContactDetailsActivity.ACTION_VIEW_CONTACT);
 521        intent.putExtra(EXTRA_ACCOUNT, contact.getAccount().getJid().asBareJid().toEscapedString());
 522        intent.putExtra("contact", contact.getJid().toEscapedString());
 523        intent.putExtra("fingerprint", messageFingerprint);
 524        startActivity(intent);
 525    }
 526
 527    public void switchToAccount(Account account, String fingerprint) {
 528        switchToAccount(account, false, fingerprint);
 529    }
 530
 531    public void switchToAccount(Account account) {
 532        switchToAccount(account, false, null);
 533    }
 534
 535    public void switchToAccount(Account account, boolean init, String fingerprint) {
 536        Intent intent = new Intent(this, EditAccountActivity.class);
 537        intent.putExtra("jid", account.getJid().asBareJid().toEscapedString());
 538        intent.putExtra("init", init);
 539        if (init) {
 540            intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK | Intent.FLAG_ACTIVITY_NO_ANIMATION);
 541        }
 542        if (fingerprint != null) {
 543            intent.putExtra("fingerprint", fingerprint);
 544        }
 545        startActivity(intent);
 546        if (init) {
 547            overridePendingTransition(0, 0);
 548        }
 549    }
 550
 551    protected void delegateUriPermissionsToService(Uri uri) {
 552        Intent intent = new Intent(this, XmppConnectionService.class);
 553        intent.setAction(Intent.ACTION_SEND);
 554        intent.setData(uri);
 555        intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
 556        try {
 557            startService(intent);
 558        } catch (Exception e) {
 559            Log.e(Config.LOGTAG, "unable to delegate uri permission", e);
 560        }
 561    }
 562
 563    protected void inviteToConversation(Conversation conversation) {
 564        startActivityForResult(ChooseContactActivity.create(this, conversation), REQUEST_INVITE_TO_CONVERSATION);
 565    }
 566
 567    protected void announcePgp(final Account account, final Conversation conversation, Intent intent, final Runnable onSuccess) {
 568        if (account.getPgpId() == 0) {
 569            choosePgpSignId(account);
 570        } else {
 571            String status = null;
 572            if (manuallyChangePresence()) {
 573                status = account.getPresenceStatusMessage();
 574            }
 575            if (status == null) {
 576                status = "";
 577            }
 578            xmppConnectionService.getPgpEngine().generateSignature(intent, account, status, new UiCallback<String>() {
 579
 580                @Override
 581                public void userInputRequired(PendingIntent pi, String signature) {
 582                    try {
 583                        startIntentSenderForResult(pi.getIntentSender(), REQUEST_ANNOUNCE_PGP, null, 0, 0, 0);
 584                    } catch (final SendIntentException ignored) {
 585                    }
 586                }
 587
 588                @Override
 589                public void success(String signature) {
 590                    account.setPgpSignature(signature);
 591                    xmppConnectionService.databaseBackend.updateAccount(account);
 592                    xmppConnectionService.sendPresence(account);
 593                    if (conversation != null) {
 594                        conversation.setNextEncryption(Message.ENCRYPTION_PGP);
 595                        xmppConnectionService.updateConversation(conversation);
 596                        refreshUi();
 597                    }
 598                    if (onSuccess != null) {
 599                        runOnUiThread(onSuccess);
 600                    }
 601                }
 602
 603                @Override
 604                public void error(int error, String signature) {
 605                    if (error == 0) {
 606                        account.setPgpSignId(0);
 607                        account.unsetPgpSignature();
 608                        xmppConnectionService.databaseBackend.updateAccount(account);
 609                        choosePgpSignId(account);
 610                    } else {
 611                        displayErrorDialog(error);
 612                    }
 613                }
 614            });
 615        }
 616    }
 617
 618    @SuppressWarnings("deprecation")
 619    @TargetApi(Build.VERSION_CODES.JELLY_BEAN)
 620    protected void setListItemBackgroundOnView(View view) {
 621        int sdk = android.os.Build.VERSION.SDK_INT;
 622        if (sdk < android.os.Build.VERSION_CODES.JELLY_BEAN) {
 623            view.setBackgroundDrawable(getResources().getDrawable(R.drawable.greybackground));
 624        } else {
 625            view.setBackground(getResources().getDrawable(R.drawable.greybackground));
 626        }
 627    }
 628
 629    protected void choosePgpSignId(Account account) {
 630        xmppConnectionService.getPgpEngine().chooseKey(account, new UiCallback<Account>() {
 631            @Override
 632            public void success(Account account1) {
 633            }
 634
 635            @Override
 636            public void error(int errorCode, Account object) {
 637
 638            }
 639
 640            @Override
 641            public void userInputRequired(PendingIntent pi, Account object) {
 642                try {
 643                    startIntentSenderForResult(pi.getIntentSender(),
 644                            REQUEST_CHOOSE_PGP_ID, null, 0, 0, 0);
 645                } catch (final SendIntentException ignored) {
 646                }
 647            }
 648        });
 649    }
 650
 651    protected void displayErrorDialog(final int errorCode) {
 652        runOnUiThread(() -> {
 653            Builder builder = new Builder(XmppActivity.this);
 654            builder.setIconAttribute(android.R.attr.alertDialogIcon);
 655            builder.setTitle(getString(R.string.error));
 656            builder.setMessage(errorCode);
 657            builder.setNeutralButton(R.string.accept, null);
 658            builder.create().show();
 659        });
 660
 661    }
 662
 663    protected void showAddToRosterDialog(final Contact contact) {
 664        AlertDialog.Builder builder = new AlertDialog.Builder(this);
 665        builder.setTitle(contact.getJid().toString());
 666        builder.setMessage(getString(R.string.not_in_roster));
 667        builder.setNegativeButton(getString(R.string.cancel), null);
 668        builder.setPositiveButton(getString(R.string.add_contact), (dialog, which) -> xmppConnectionService.createContact(contact, true));
 669        builder.create().show();
 670    }
 671
 672    private void showAskForPresenceDialog(final Contact contact) {
 673        AlertDialog.Builder builder = new AlertDialog.Builder(this);
 674        builder.setTitle(contact.getJid().toString());
 675        builder.setMessage(R.string.request_presence_updates);
 676        builder.setNegativeButton(R.string.cancel, null);
 677        builder.setPositiveButton(R.string.request_now,
 678                (dialog, which) -> {
 679                    if (xmppConnectionServiceBound) {
 680                        xmppConnectionService.sendPresencePacket(contact
 681                                .getAccount(), xmppConnectionService
 682                                .getPresenceGenerator()
 683                                .requestPresenceUpdatesFrom(contact));
 684                    }
 685                });
 686        builder.create().show();
 687    }
 688
 689    protected void quickEdit(String previousValue, @StringRes int hint, OnValueEdited callback) {
 690        quickEdit(previousValue, callback, hint, false, false);
 691    }
 692
 693    protected void quickEdit(String previousValue, @StringRes int hint, OnValueEdited callback, boolean permitEmpty) {
 694        quickEdit(previousValue, callback, hint, false, permitEmpty);
 695    }
 696
 697    protected void quickPasswordEdit(String previousValue, OnValueEdited callback) {
 698        quickEdit(previousValue, callback, R.string.password, true, false);
 699    }
 700
 701    @SuppressLint("InflateParams")
 702    private void quickEdit(final String previousValue,
 703                           final OnValueEdited callback,
 704                           final @StringRes int hint,
 705                           boolean password,
 706                           boolean permitEmpty) {
 707        AlertDialog.Builder builder = new AlertDialog.Builder(this);
 708        DialogQuickeditBinding binding = DataBindingUtil.inflate(getLayoutInflater(), R.layout.dialog_quickedit, null, false);
 709        if (password) {
 710            binding.inputEditText.setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_PASSWORD);
 711        }
 712        builder.setPositiveButton(R.string.accept, null);
 713        if (hint != 0) {
 714            binding.inputLayout.setHint(getString(hint));
 715        }
 716        binding.inputEditText.requestFocus();
 717        if (previousValue != null) {
 718            binding.inputEditText.getText().append(previousValue);
 719        }
 720        builder.setView(binding.getRoot());
 721        builder.setNegativeButton(R.string.cancel, null);
 722        final AlertDialog dialog = builder.create();
 723        dialog.setOnShowListener(d -> SoftKeyboardUtils.showKeyboard(binding.inputEditText));
 724        dialog.show();
 725        View.OnClickListener clickListener = v -> {
 726            String value = binding.inputEditText.getText().toString();
 727            if (!value.equals(previousValue) && (!value.trim().isEmpty() || permitEmpty)) {
 728                String error = callback.onValueEdited(value);
 729                if (error != null) {
 730                    binding.inputLayout.setError(error);
 731                    return;
 732                }
 733            }
 734            SoftKeyboardUtils.hideSoftKeyboard(binding.inputEditText);
 735            dialog.dismiss();
 736        };
 737        dialog.getButton(DialogInterface.BUTTON_POSITIVE).setOnClickListener(clickListener);
 738        dialog.getButton(DialogInterface.BUTTON_NEGATIVE).setOnClickListener((v -> {
 739            SoftKeyboardUtils.hideSoftKeyboard(binding.inputEditText);
 740            dialog.dismiss();
 741        }));
 742        dialog.setCanceledOnTouchOutside(false);
 743        dialog.setOnDismissListener(dialog1 -> {
 744            SoftKeyboardUtils.hideSoftKeyboard(binding.inputEditText);
 745        });
 746    }
 747
 748    protected boolean hasStoragePermission(int requestCode) {
 749        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 750            if (checkSelfPermission(Manifest.permission.WRITE_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED) {
 751                requestPermissions(new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE}, requestCode);
 752                return false;
 753            } else {
 754                return true;
 755            }
 756        } else {
 757            return true;
 758        }
 759    }
 760
 761    protected void onActivityResult(int requestCode, int resultCode, final Intent data) {
 762        super.onActivityResult(requestCode, resultCode, data);
 763        if (requestCode == REQUEST_INVITE_TO_CONVERSATION && resultCode == RESULT_OK) {
 764            mPendingConferenceInvite = ConferenceInvite.parse(data);
 765            if (xmppConnectionServiceBound && mPendingConferenceInvite != null) {
 766                if (mPendingConferenceInvite.execute(this)) {
 767                    mToast = Toast.makeText(this, R.string.creating_conference, Toast.LENGTH_LONG);
 768                    mToast.show();
 769                }
 770                mPendingConferenceInvite = null;
 771            }
 772        }
 773    }
 774
 775    public boolean copyTextToClipboard(String text, int labelResId) {
 776        ClipboardManager mClipBoardManager = (ClipboardManager) getSystemService(CLIPBOARD_SERVICE);
 777        String label = getResources().getString(labelResId);
 778        if (mClipBoardManager != null) {
 779            ClipData mClipData = ClipData.newPlainText(label, text);
 780            mClipBoardManager.setPrimaryClip(mClipData);
 781            return true;
 782        }
 783        return false;
 784    }
 785
 786    protected boolean manuallyChangePresence() {
 787        return getBooleanPreference(SettingsActivity.MANUALLY_CHANGE_PRESENCE, R.bool.manually_change_presence);
 788    }
 789
 790    protected String getShareableUri() {
 791        return getShareableUri(false);
 792    }
 793
 794    protected String getShareableUri(boolean http) {
 795        return null;
 796    }
 797
 798    protected void shareLink(boolean http) {
 799        String uri = getShareableUri(http);
 800        if (uri == null || uri.isEmpty()) {
 801            return;
 802        }
 803        Intent intent = new Intent(Intent.ACTION_SEND);
 804        intent.setType("text/plain");
 805        intent.putExtra(Intent.EXTRA_TEXT, getShareableUri(http));
 806        try {
 807            startActivity(Intent.createChooser(intent, getText(R.string.share_uri_with)));
 808        } catch (ActivityNotFoundException e) {
 809            Toast.makeText(this, R.string.no_application_to_share_uri, Toast.LENGTH_SHORT).show();
 810        }
 811    }
 812
 813    protected void launchOpenKeyChain(long keyId) {
 814        PgpEngine pgp = XmppActivity.this.xmppConnectionService.getPgpEngine();
 815        try {
 816            startIntentSenderForResult(
 817                    pgp.getIntentForKey(keyId).getIntentSender(), 0, null, 0,
 818                    0, 0);
 819        } catch (Throwable e) {
 820            Toast.makeText(XmppActivity.this, R.string.openpgp_error, Toast.LENGTH_SHORT).show();
 821        }
 822    }
 823
 824    @Override
 825    public void onResume() {
 826        super.onResume();
 827    }
 828
 829    protected int findTheme() {
 830        return ThemeHelper.find(this);
 831    }
 832
 833    @Override
 834    public void onPause() {
 835        super.onPause();
 836    }
 837
 838    @Override
 839    public boolean onMenuOpened(int id, Menu menu) {
 840        if (id == AppCompatDelegate.FEATURE_SUPPORT_ACTION_BAR && menu != null) {
 841            MenuDoubleTabUtil.recordMenuOpen();
 842        }
 843        return super.onMenuOpened(id, menu);
 844    }
 845
 846    protected void showQrCode() {
 847        showQrCode(getShareableUri());
 848    }
 849
 850    protected void showQrCode(final String uri) {
 851        if (uri == null || uri.isEmpty()) {
 852            return;
 853        }
 854        Point size = new Point();
 855        getWindowManager().getDefaultDisplay().getSize(size);
 856        final int width = (size.x < size.y ? size.x : size.y);
 857        Bitmap bitmap = BarcodeProvider.create2dBarcodeBitmap(uri, width);
 858        ImageView view = new ImageView(this);
 859        view.setBackgroundColor(Color.WHITE);
 860        view.setImageBitmap(bitmap);
 861        AlertDialog.Builder builder = new AlertDialog.Builder(this);
 862        builder.setView(view);
 863        builder.create().show();
 864    }
 865
 866    protected Account extractAccount(Intent intent) {
 867        final String jid = intent != null ? intent.getStringExtra(EXTRA_ACCOUNT) : null;
 868        try {
 869            return jid != null ? xmppConnectionService.findAccountByJid(Jid.ofEscaped(jid)) : null;
 870        } catch (IllegalArgumentException e) {
 871            return null;
 872        }
 873    }
 874
 875    public AvatarService avatarService() {
 876        return xmppConnectionService.getAvatarService();
 877    }
 878
 879    public void loadBitmap(Message message, ImageView imageView) {
 880        Bitmap bm;
 881        try {
 882            bm = xmppConnectionService.getFileBackend().getThumbnail(message, (int) (metrics.density * 288), true);
 883        } catch (IOException e) {
 884            bm = null;
 885        }
 886        if (bm != null) {
 887            cancelPotentialWork(message, imageView);
 888            imageView.setImageBitmap(bm);
 889            imageView.setBackgroundColor(0x00000000);
 890        } else {
 891            if (cancelPotentialWork(message, imageView)) {
 892                imageView.setBackgroundColor(0xff333333);
 893                imageView.setImageDrawable(null);
 894                final BitmapWorkerTask task = new BitmapWorkerTask(imageView);
 895                final AsyncDrawable asyncDrawable = new AsyncDrawable(
 896                        getResources(), null, task);
 897                imageView.setImageDrawable(asyncDrawable);
 898                try {
 899                    task.execute(message);
 900                } catch (final RejectedExecutionException ignored) {
 901                    ignored.printStackTrace();
 902                }
 903            }
 904        }
 905    }
 906
 907    protected interface OnValueEdited {
 908        String onValueEdited(String value);
 909    }
 910
 911    public static class ConferenceInvite {
 912        private String uuid;
 913        private List<Jid> jids = new ArrayList<>();
 914
 915        public static ConferenceInvite parse(Intent data) {
 916            ConferenceInvite invite = new ConferenceInvite();
 917            invite.uuid = data.getStringExtra(ChooseContactActivity.EXTRA_CONVERSATION);
 918            if (invite.uuid == null) {
 919                return null;
 920            }
 921            invite.jids.addAll(ChooseContactActivity.extractJabberIds(data));
 922            return invite;
 923        }
 924
 925        public boolean execute(XmppActivity activity) {
 926            XmppConnectionService service = activity.xmppConnectionService;
 927            Conversation conversation = service.findConversationByUuid(this.uuid);
 928            if (conversation == null) {
 929                return false;
 930            }
 931            if (conversation.getMode() == Conversation.MODE_MULTI) {
 932                for (Jid jid : jids) {
 933                    service.invite(conversation, jid);
 934                }
 935                return false;
 936            } else {
 937                jids.add(conversation.getJid().asBareJid());
 938                return service.createAdhocConference(conversation.getAccount(), null, jids, activity.adhocCallback);
 939            }
 940        }
 941    }
 942
 943    static class BitmapWorkerTask extends AsyncTask<Message, Void, Bitmap> {
 944        private final WeakReference<ImageView> imageViewReference;
 945        private Message message = null;
 946
 947        private BitmapWorkerTask(ImageView imageView) {
 948            this.imageViewReference = new WeakReference<>(imageView);
 949        }
 950
 951        @Override
 952        protected Bitmap doInBackground(Message... params) {
 953            if (isCancelled()) {
 954                return null;
 955            }
 956            message = params[0];
 957            try {
 958                final XmppActivity activity = find(imageViewReference);
 959                if (activity != null && activity.xmppConnectionService != null) {
 960                    return activity.xmppConnectionService.getFileBackend().getThumbnail(message, (int) (activity.metrics.density * 288), false);
 961                } else {
 962                    return null;
 963                }
 964            } catch (IOException e) {
 965                return null;
 966            }
 967        }
 968
 969        @Override
 970        protected void onPostExecute(final Bitmap bitmap) {
 971            if (!isCancelled()) {
 972                final ImageView imageView = imageViewReference.get();
 973                if (imageView != null) {
 974                    imageView.setImageBitmap(bitmap);
 975                    imageView.setBackgroundColor(bitmap == null ? 0xff333333 : 0x00000000);
 976                }
 977            }
 978        }
 979    }
 980
 981    private static class AsyncDrawable extends BitmapDrawable {
 982        private final WeakReference<BitmapWorkerTask> bitmapWorkerTaskReference;
 983
 984        private AsyncDrawable(Resources res, Bitmap bitmap, BitmapWorkerTask bitmapWorkerTask) {
 985            super(res, bitmap);
 986            bitmapWorkerTaskReference = new WeakReference<>(bitmapWorkerTask);
 987        }
 988
 989        private BitmapWorkerTask getBitmapWorkerTask() {
 990            return bitmapWorkerTaskReference.get();
 991        }
 992    }
 993
 994    public static XmppActivity find(@NonNull WeakReference<ImageView> viewWeakReference) {
 995        final View view = viewWeakReference.get();
 996        return view == null ? null : find(view);
 997    }
 998
 999    public static XmppActivity find(@NonNull final View view) {
1000        Context context = view.getContext();
1001        while (context instanceof ContextWrapper) {
1002            if (context instanceof XmppActivity) {
1003                return (XmppActivity) context;
1004            }
1005            context = ((ContextWrapper) context).getBaseContext();
1006        }
1007        return null;
1008    }
1009}