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.DialogInterface;
  13import android.content.Intent;
  14import android.content.IntentSender.SendIntentException;
  15import android.content.ServiceConnection;
  16import android.content.SharedPreferences;
  17import android.content.pm.PackageManager;
  18import android.content.pm.ResolveInfo;
  19import android.content.res.Resources;
  20import android.content.res.TypedArray;
  21import android.databinding.DataBindingUtil;
  22import android.graphics.Bitmap;
  23import android.graphics.Color;
  24import android.graphics.Point;
  25import android.graphics.drawable.BitmapDrawable;
  26import android.graphics.drawable.Drawable;
  27import android.media.AudioManager;
  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.StringRes;
  40import android.support.v4.content.ContextCompat;
  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.XmppConnectionService;
  71import eu.siacs.conversations.services.XmppConnectionService.XmppConnectionBinder;
  72import eu.siacs.conversations.ui.service.EmojiService;
  73import eu.siacs.conversations.ui.util.MenuDoubleTabUtil;
  74import eu.siacs.conversations.ui.util.PresenceSelector;
  75import eu.siacs.conversations.ui.util.SoftKeyboardUtils;
  76import eu.siacs.conversations.utils.AccountUtils;
  77import eu.siacs.conversations.utils.ExceptionHelper;
  78import eu.siacs.conversations.utils.ThemeHelper;
  79import eu.siacs.conversations.xmpp.OnKeyStatusUpdated;
  80import eu.siacs.conversations.xmpp.OnUpdateBlocklist;
  81import rocks.xmpp.addr.Jid;
  82
  83public abstract class XmppActivity extends ActionBarActivity {
  84
  85	public static final String EXTRA_ACCOUNT = "account";
  86	protected static final int REQUEST_ANNOUNCE_PGP = 0x0101;
  87	protected static final int REQUEST_INVITE_TO_CONVERSATION = 0x0102;
  88	protected static final int REQUEST_CHOOSE_PGP_ID = 0x0103;
  89	protected static final int REQUEST_BATTERY_OP = 0x49ff;
  90	public XmppConnectionService xmppConnectionService;
  91	public boolean xmppConnectionServiceBound = false;
  92
  93	protected int mColorRed;
  94
  95	protected static final String FRAGMENT_TAG_DIALOG = "dialog";
  96
  97	private boolean isCameraFeatureAvailable = false;
  98
  99	protected int mTheme;
 100	protected boolean mUsingEnterKey = false;
 101	protected 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 userInputRequried(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	}
 217
 218	public void connectToBackend() {
 219		Intent intent = new Intent(this, XmppConnectionService.class);
 220		intent.setAction("ui");
 221		try {
 222			startService(intent);
 223		} catch (IllegalStateException e) {
 224			Log.w(Config.LOGTAG,"unable to start service from "+getClass().getSimpleName());
 225		}
 226		bindService(intent, mConnection, Context.BIND_AUTO_CREATE);
 227	}
 228
 229	@Override
 230	protected void onStop() {
 231		super.onStop();
 232		if (xmppConnectionServiceBound) {
 233			this.unregisterListeners();
 234			unbindService(mConnection);
 235			xmppConnectionServiceBound = false;
 236		}
 237	}
 238
 239
 240	public boolean hasPgp() {
 241		return xmppConnectionService.getPgpEngine() != null;
 242	}
 243
 244	public void showInstallPgpDialog() {
 245		Builder builder = new AlertDialog.Builder(this);
 246		builder.setTitle(getString(R.string.openkeychain_required));
 247		builder.setIconAttribute(android.R.attr.alertDialogIcon);
 248		builder.setMessage(getText(R.string.openkeychain_required_long));
 249		builder.setNegativeButton(getString(R.string.cancel), null);
 250		builder.setNeutralButton(getString(R.string.restart),
 251				(dialog, which) -> {
 252					if (xmppConnectionServiceBound) {
 253						unbindService(mConnection);
 254						xmppConnectionServiceBound = false;
 255					}
 256					stopService(new Intent(XmppActivity.this,
 257							XmppConnectionService.class));
 258					finish();
 259				});
 260		builder.setPositiveButton(getString(R.string.install),
 261				(dialog, which) -> {
 262					Uri uri = Uri
 263							.parse("market://details?id=org.sufficientlysecure.keychain");
 264					Intent marketIntent = new Intent(Intent.ACTION_VIEW,
 265							uri);
 266					PackageManager manager = getApplicationContext()
 267							.getPackageManager();
 268					List<ResolveInfo> infos = manager
 269							.queryIntentActivities(marketIntent, 0);
 270					if (infos.size() > 0) {
 271						startActivity(marketIntent);
 272					} else {
 273						uri = Uri.parse("http://www.openkeychain.org/");
 274						Intent browserIntent = new Intent(
 275								Intent.ACTION_VIEW, uri);
 276						startActivity(browserIntent);
 277					}
 278					finish();
 279				});
 280		builder.create().show();
 281	}
 282
 283	abstract void onBackendConnected();
 284
 285	protected void registerListeners() {
 286		if (this instanceof XmppConnectionService.OnConversationUpdate) {
 287			this.xmppConnectionService.setOnConversationListChangedListener((XmppConnectionService.OnConversationUpdate) this);
 288		}
 289		if (this instanceof XmppConnectionService.OnAccountUpdate) {
 290			this.xmppConnectionService.setOnAccountListChangedListener((XmppConnectionService.OnAccountUpdate) this);
 291		}
 292		if (this instanceof XmppConnectionService.OnCaptchaRequested) {
 293			this.xmppConnectionService.setOnCaptchaRequestedListener((XmppConnectionService.OnCaptchaRequested) this);
 294		}
 295		if (this instanceof XmppConnectionService.OnRosterUpdate) {
 296			this.xmppConnectionService.setOnRosterUpdateListener((XmppConnectionService.OnRosterUpdate) this);
 297		}
 298		if (this instanceof XmppConnectionService.OnMucRosterUpdate) {
 299			this.xmppConnectionService.setOnMucRosterUpdateListener((XmppConnectionService.OnMucRosterUpdate) this);
 300		}
 301		if (this instanceof OnUpdateBlocklist) {
 302			this.xmppConnectionService.setOnUpdateBlocklistListener((OnUpdateBlocklist) this);
 303		}
 304		if (this instanceof XmppConnectionService.OnShowErrorToast) {
 305			this.xmppConnectionService.setOnShowErrorToastListener((XmppConnectionService.OnShowErrorToast) this);
 306		}
 307		if (this instanceof OnKeyStatusUpdated) {
 308			this.xmppConnectionService.setOnKeyStatusUpdatedListener((OnKeyStatusUpdated) this);
 309		}
 310	}
 311
 312	protected void unregisterListeners() {
 313		if (this instanceof XmppConnectionService.OnConversationUpdate) {
 314			this.xmppConnectionService.removeOnConversationListChangedListener((XmppConnectionService.OnConversationUpdate) this);
 315		}
 316		if (this instanceof XmppConnectionService.OnAccountUpdate) {
 317			this.xmppConnectionService.removeOnAccountListChangedListener((XmppConnectionService.OnAccountUpdate) this);
 318		}
 319		if (this instanceof XmppConnectionService.OnCaptchaRequested) {
 320			this.xmppConnectionService.removeOnCaptchaRequestedListener((XmppConnectionService.OnCaptchaRequested) this);
 321		}
 322		if (this instanceof XmppConnectionService.OnRosterUpdate) {
 323			this.xmppConnectionService.removeOnRosterUpdateListener((XmppConnectionService.OnRosterUpdate) this);
 324		}
 325		if (this instanceof XmppConnectionService.OnMucRosterUpdate) {
 326			this.xmppConnectionService.removeOnMucRosterUpdateListener((XmppConnectionService.OnMucRosterUpdate) this);
 327		}
 328		if (this instanceof OnUpdateBlocklist) {
 329			this.xmppConnectionService.removeOnUpdateBlocklistListener((OnUpdateBlocklist) this);
 330		}
 331		if (this instanceof XmppConnectionService.OnShowErrorToast) {
 332			this.xmppConnectionService.removeOnShowErrorToastListener((XmppConnectionService.OnShowErrorToast) this);
 333		}
 334		if (this instanceof OnKeyStatusUpdated) {
 335			this.xmppConnectionService.removeOnNewKeysAvailableListener((OnKeyStatusUpdated) this);
 336		}
 337	}
 338
 339	@Override
 340	public boolean onOptionsItemSelected(final MenuItem item) {
 341		switch (item.getItemId()) {
 342			case R.id.action_settings:
 343				startActivity(new Intent(this, SettingsActivity.class));
 344				break;
 345			case R.id.action_accounts:
 346				AccountUtils.launchManageAccounts(this);
 347				break;
 348			case R.id.action_account:
 349				AccountUtils.launchManageAccount(this);
 350				break;
 351			case android.R.id.home:
 352				finish();
 353				break;
 354			case R.id.action_show_qr_code:
 355				showQrCode();
 356				break;
 357		}
 358		return super.onOptionsItemSelected(item);
 359	}
 360
 361	public void selectPresence(final Conversation conversation, final PresenceSelector.OnPresenceSelected listener) {
 362		final Contact contact = conversation.getContact();
 363		if (!contact.showInRoster()) {
 364			showAddToRosterDialog(conversation.getContact());
 365		} else {
 366			final Presences presences = contact.getPresences();
 367			if (presences.size() == 0) {
 368				if (!contact.getOption(Contact.Options.TO)
 369						&& !contact.getOption(Contact.Options.ASKING)
 370						&& contact.getAccount().getStatus() == Account.State.ONLINE) {
 371					showAskForPresenceDialog(contact);
 372				} else if (!contact.getOption(Contact.Options.TO)
 373						|| !contact.getOption(Contact.Options.FROM)) {
 374					PresenceSelector.warnMutualPresenceSubscription(this, conversation, listener);
 375				} else {
 376					conversation.setNextCounterpart(null);
 377					listener.onPresenceSelected();
 378				}
 379			} else if (presences.size() == 1) {
 380				String presence = presences.toResourceArray()[0];
 381				try {
 382					conversation.setNextCounterpart(Jid.of(contact.getJid().getLocal(), contact.getJid().getDomain(), presence));
 383				} catch (IllegalArgumentException e) {
 384					conversation.setNextCounterpart(null);
 385				}
 386				listener.onPresenceSelected();
 387			} else {
 388				PresenceSelector.showPresenceSelectionDialog(this, conversation, listener);
 389			}
 390		}
 391	}
 392
 393	@Override
 394	protected void onCreate(Bundle savedInstanceState) {
 395		super.onCreate(savedInstanceState);
 396		setVolumeControlStream(AudioManager.STREAM_NOTIFICATION);
 397		metrics = getResources().getDisplayMetrics();
 398		ExceptionHelper.init(getApplicationContext());
 399		new EmojiService(this).init();
 400		this.isCameraFeatureAvailable = getPackageManager().hasSystemFeature(PackageManager.FEATURE_CAMERA);
 401
 402		mColorRed = ContextCompat.getColor(this, R.color.red800);
 403
 404		this.mTheme = findTheme();
 405		setTheme(this.mTheme);
 406
 407		this.mUsingEnterKey = usingEnterKey();
 408	}
 409
 410	protected boolean isCameraFeatureAvailable() {
 411		return this.isCameraFeatureAvailable;
 412	}
 413
 414	public boolean isDarkTheme() {
 415		return ThemeHelper.isDark(mTheme);
 416	}
 417
 418	public int getThemeResource(int r_attr_name, int r_drawable_def) {
 419		int[] attrs = {r_attr_name};
 420		TypedArray ta = this.getTheme().obtainStyledAttributes(attrs);
 421
 422		int res = ta.getResourceId(0, r_drawable_def);
 423		ta.recycle();
 424
 425		return res;
 426	}
 427
 428	protected boolean isOptimizingBattery() {
 429		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 430			final PowerManager pm = (PowerManager) getSystemService(POWER_SERVICE);
 431			return pm != null
 432					&& !pm.isIgnoringBatteryOptimizations(getPackageName());
 433		} else {
 434			return false;
 435		}
 436	}
 437
 438	protected boolean isAffectedByDataSaver() {
 439		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
 440			final ConnectivityManager cm = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
 441			return cm != null
 442					&& cm.isActiveNetworkMetered()
 443					&& cm.getRestrictBackgroundStatus() == ConnectivityManager.RESTRICT_BACKGROUND_STATUS_ENABLED;
 444		} else {
 445			return false;
 446		}
 447	}
 448
 449	protected boolean usingEnterKey() {
 450		return getBooleanPreference("display_enter_key", R.bool.display_enter_key);
 451	}
 452
 453	protected SharedPreferences getPreferences() {
 454		return PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
 455	}
 456
 457	protected boolean getBooleanPreference(String name, @BoolRes int res) {
 458		return getPreferences().getBoolean(name, getResources().getBoolean(res));
 459	}
 460
 461	public void switchToConversation(Conversation conversation) {
 462		switchToConversation(conversation, null);
 463	}
 464
 465	public void switchToConversationAndQuote(Conversation conversation, String text) {
 466		switchToConversation(conversation, text, true, null, false, false);
 467	}
 468
 469	public void switchToConversation(Conversation conversation, String text) {
 470		switchToConversation(conversation, text, false, null, false, false);
 471	}
 472
 473	public void switchToConversationDoNotAppend(Conversation conversation, String text) {
 474		switchToConversation(conversation, text, false, null, false, true);
 475	}
 476
 477	public void highlightInMuc(Conversation conversation, String nick) {
 478		switchToConversation(conversation, null, false, nick, false, false);
 479	}
 480
 481	public void privateMsgInMuc(Conversation conversation, String nick) {
 482		switchToConversation(conversation, null, false, nick, true, false);
 483	}
 484
 485	private void switchToConversation(Conversation conversation, String text, boolean asQuote, String nick, boolean pm, boolean doNotAppend) {
 486		Intent intent = new Intent(this, ConversationsActivity.class);
 487		intent.setAction(ConversationsActivity.ACTION_VIEW_CONVERSATION);
 488		intent.putExtra(ConversationsActivity.EXTRA_CONVERSATION, conversation.getUuid());
 489		if (text != null) {
 490			intent.putExtra(Intent.EXTRA_TEXT, text);
 491			if (asQuote) {
 492				intent.putExtra(ConversationsActivity.EXTRA_AS_QUOTE, true);
 493			}
 494		}
 495		if (nick != null) {
 496			intent.putExtra(ConversationsActivity.EXTRA_NICK, nick);
 497			intent.putExtra(ConversationsActivity.EXTRA_IS_PRIVATE_MESSAGE, pm);
 498		}
 499		if (doNotAppend) {
 500			intent.putExtra(ConversationsActivity.EXTRA_DO_NOT_APPEND, true);
 501		}
 502		intent.setFlags(intent.getFlags() | Intent.FLAG_ACTIVITY_CLEAR_TOP);
 503		startActivity(intent);
 504		finish();
 505	}
 506
 507	public void switchToContactDetails(Contact contact) {
 508		switchToContactDetails(contact, null);
 509	}
 510
 511	public void switchToContactDetails(Contact contact, String messageFingerprint) {
 512		Intent intent = new Intent(this, ContactDetailsActivity.class);
 513		intent.setAction(ContactDetailsActivity.ACTION_VIEW_CONTACT);
 514		intent.putExtra(EXTRA_ACCOUNT, contact.getAccount().getJid().asBareJid().toString());
 515		intent.putExtra("contact", contact.getJid().toString());
 516		intent.putExtra("fingerprint", messageFingerprint);
 517		startActivity(intent);
 518	}
 519
 520	public void switchToAccount(Account account, String fingerprint) {
 521		switchToAccount(account, false, fingerprint);
 522	}
 523
 524	public void switchToAccount(Account account) {
 525		switchToAccount(account, false, null);
 526	}
 527
 528	public void switchToAccount(Account account, boolean init, String fingerprint) {
 529		Intent intent = new Intent(this, EditAccountActivity.class);
 530		intent.putExtra("jid", account.getJid().asBareJid().toString());
 531		intent.putExtra("init", init);
 532		if (init) {
 533			intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK | Intent.FLAG_ACTIVITY_NO_ANIMATION);
 534		}
 535		if (fingerprint != null) {
 536			intent.putExtra("fingerprint", fingerprint);
 537		}
 538		startActivity(intent);
 539		if (init) {
 540			overridePendingTransition(0, 0);
 541		}
 542	}
 543
 544	protected void delegateUriPermissionsToService(Uri uri) {
 545		Intent intent = new Intent(this, XmppConnectionService.class);
 546		intent.setAction(Intent.ACTION_SEND);
 547		intent.setData(uri);
 548		intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
 549		try {
 550			startService(intent);
 551		} catch (Exception e) {
 552			Log.e(Config.LOGTAG,"unable to delegate uri permission",e);
 553		}
 554	}
 555
 556	protected void inviteToConversation(Conversation conversation) {
 557		startActivityForResult(ChooseContactActivity.create(this,conversation), REQUEST_INVITE_TO_CONVERSATION);
 558	}
 559
 560	protected void announcePgp(final Account account, final Conversation conversation, Intent intent, final Runnable onSuccess) {
 561		if (account.getPgpId() == 0) {
 562			choosePgpSignId(account);
 563		} else {
 564			String status = null;
 565			if (manuallyChangePresence()) {
 566				status = account.getPresenceStatusMessage();
 567			}
 568			if (status == null) {
 569				status = "";
 570			}
 571			xmppConnectionService.getPgpEngine().generateSignature(intent, account, status, new UiCallback<String>() {
 572
 573				@Override
 574				public void userInputRequried(PendingIntent pi, String signature) {
 575					try {
 576						startIntentSenderForResult(pi.getIntentSender(), REQUEST_ANNOUNCE_PGP, null, 0, 0, 0);
 577					} catch (final SendIntentException ignored) {
 578					}
 579				}
 580
 581				@Override
 582				public void success(String signature) {
 583					account.setPgpSignature(signature);
 584					xmppConnectionService.databaseBackend.updateAccount(account);
 585					xmppConnectionService.sendPresence(account);
 586					if (conversation != null) {
 587						conversation.setNextEncryption(Message.ENCRYPTION_PGP);
 588						xmppConnectionService.updateConversation(conversation);
 589						refreshUi();
 590					}
 591					if (onSuccess != null) {
 592						runOnUiThread(onSuccess);
 593					}
 594				}
 595
 596				@Override
 597				public void error(int error, String signature) {
 598					if (error == 0) {
 599						account.setPgpSignId(0);
 600						account.unsetPgpSignature();
 601						xmppConnectionService.databaseBackend.updateAccount(account);
 602						choosePgpSignId(account);
 603					} else {
 604						displayErrorDialog(error);
 605					}
 606				}
 607			});
 608		}
 609	}
 610
 611	@SuppressWarnings("deprecation")
 612	@TargetApi(Build.VERSION_CODES.JELLY_BEAN)
 613	protected void setListItemBackgroundOnView(View view) {
 614		int sdk = android.os.Build.VERSION.SDK_INT;
 615		if (sdk < android.os.Build.VERSION_CODES.JELLY_BEAN) {
 616			view.setBackgroundDrawable(getResources().getDrawable(R.drawable.greybackground));
 617		} else {
 618			view.setBackground(getResources().getDrawable(R.drawable.greybackground));
 619		}
 620	}
 621
 622	protected void choosePgpSignId(Account account) {
 623		xmppConnectionService.getPgpEngine().chooseKey(account, new UiCallback<Account>() {
 624			@Override
 625			public void success(Account account1) {
 626			}
 627
 628			@Override
 629			public void error(int errorCode, Account object) {
 630
 631			}
 632
 633			@Override
 634			public void userInputRequried(PendingIntent pi, Account object) {
 635				try {
 636					startIntentSenderForResult(pi.getIntentSender(),
 637							REQUEST_CHOOSE_PGP_ID, null, 0, 0, 0);
 638				} catch (final SendIntentException ignored) {
 639				}
 640			}
 641		});
 642	}
 643
 644	protected void displayErrorDialog(final int errorCode) {
 645		runOnUiThread(() -> {
 646			Builder builder = new Builder(XmppActivity.this);
 647			builder.setIconAttribute(android.R.attr.alertDialogIcon);
 648			builder.setTitle(getString(R.string.error));
 649			builder.setMessage(errorCode);
 650			builder.setNeutralButton(R.string.accept, null);
 651			builder.create().show();
 652		});
 653
 654	}
 655
 656	protected void showAddToRosterDialog(final Contact contact) {
 657		AlertDialog.Builder builder = new AlertDialog.Builder(this);
 658		builder.setTitle(contact.getJid().toString());
 659		builder.setMessage(getString(R.string.not_in_roster));
 660		builder.setNegativeButton(getString(R.string.cancel), null);
 661		builder.setPositiveButton(getString(R.string.add_contact), (dialog, which) -> xmppConnectionService.createContact(contact,true));
 662		builder.create().show();
 663	}
 664
 665	private void showAskForPresenceDialog(final Contact contact) {
 666		AlertDialog.Builder builder = new AlertDialog.Builder(this);
 667		builder.setTitle(contact.getJid().toString());
 668		builder.setMessage(R.string.request_presence_updates);
 669		builder.setNegativeButton(R.string.cancel, null);
 670		builder.setPositiveButton(R.string.request_now,
 671				(dialog, which) -> {
 672					if (xmppConnectionServiceBound) {
 673						xmppConnectionService.sendPresencePacket(contact
 674								.getAccount(), xmppConnectionService
 675								.getPresenceGenerator()
 676								.requestPresenceUpdatesFrom(contact));
 677					}
 678				});
 679		builder.create().show();
 680	}
 681
 682	protected void quickEdit(String previousValue, @StringRes int hint, OnValueEdited callback) {
 683		quickEdit(previousValue, callback, hint, false, false);
 684	}
 685
 686	protected void quickEdit(String previousValue, @StringRes int hint, OnValueEdited callback, boolean permitEmpty) {
 687		quickEdit(previousValue, callback, hint, false, permitEmpty);
 688	}
 689
 690	protected void quickPasswordEdit(String previousValue, OnValueEdited callback) {
 691		quickEdit(previousValue, callback, R.string.password, true, false);
 692	}
 693
 694	@SuppressLint("InflateParams")
 695	private void quickEdit(final String previousValue,
 696	                       final OnValueEdited callback,
 697	                       final @StringRes int hint,
 698	                       boolean password,
 699	                       boolean permitEmpty) {
 700		AlertDialog.Builder builder = new AlertDialog.Builder(this);
 701		DialogQuickeditBinding binding = DataBindingUtil.inflate(getLayoutInflater(),R.layout.dialog_quickedit, null, false);
 702		if (password) {
 703			binding.inputEditText.setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_PASSWORD);
 704		}
 705		builder.setPositiveButton(R.string.accept, null);
 706		if (hint != 0) {
 707			binding.inputLayout.setHint(getString(hint));
 708		}
 709		binding.inputEditText.requestFocus();
 710		if (previousValue != null) {
 711			binding.inputEditText.getText().append(previousValue);
 712		}
 713		builder.setView(binding.getRoot());
 714		builder.setNegativeButton(R.string.cancel, null);
 715		final AlertDialog dialog = builder.create();
 716		dialog.setOnShowListener(d -> SoftKeyboardUtils.showKeyboard(binding.inputEditText));
 717		dialog.show();
 718		View.OnClickListener clickListener = v -> {
 719			String value = binding.inputEditText.getText().toString();
 720			if (!value.equals(previousValue) && (!value.trim().isEmpty() || permitEmpty)) {
 721				String error = callback.onValueEdited(value);
 722				if (error != null) {
 723					binding.inputLayout.setError(error);
 724					return;
 725				}
 726			}
 727			SoftKeyboardUtils.hideSoftKeyboard(binding.inputEditText);
 728			dialog.dismiss();
 729		};
 730		dialog.getButton(DialogInterface.BUTTON_POSITIVE).setOnClickListener(clickListener);
 731		dialog.getButton(DialogInterface.BUTTON_NEGATIVE).setOnClickListener((v -> {
 732			SoftKeyboardUtils.hideSoftKeyboard(binding.inputEditText);
 733			dialog.dismiss();
 734		}));
 735		dialog.setCanceledOnTouchOutside(false);
 736		dialog.setOnDismissListener(dialog1 -> {
 737			SoftKeyboardUtils.hideSoftKeyboard(binding.inputEditText);
 738        });
 739	}
 740
 741	protected boolean hasStoragePermission(int requestCode) {
 742		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 743			if (checkSelfPermission(Manifest.permission.WRITE_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED) {
 744				requestPermissions(new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE}, requestCode);
 745				return false;
 746			} else {
 747				return true;
 748			}
 749		} else {
 750			return true;
 751		}
 752	}
 753
 754	protected void onActivityResult(int requestCode, int resultCode, final Intent data) {
 755		super.onActivityResult(requestCode, resultCode, data);
 756		if (requestCode == REQUEST_INVITE_TO_CONVERSATION && resultCode == RESULT_OK) {
 757			mPendingConferenceInvite = ConferenceInvite.parse(data);
 758			if (xmppConnectionServiceBound && mPendingConferenceInvite != null) {
 759				if (mPendingConferenceInvite.execute(this)) {
 760					mToast = Toast.makeText(this, R.string.creating_conference, Toast.LENGTH_LONG);
 761					mToast.show();
 762				}
 763				mPendingConferenceInvite = null;
 764			}
 765		}
 766	}
 767
 768	public int getWarningTextColor() {
 769		return this.mColorRed;
 770	}
 771
 772	public int getPixel(int dp) {
 773		DisplayMetrics metrics = getResources().getDisplayMetrics();
 774		return ((int) (dp * metrics.density));
 775	}
 776
 777	public boolean copyTextToClipboard(String text, int labelResId) {
 778		ClipboardManager mClipBoardManager = (ClipboardManager) getSystemService(CLIPBOARD_SERVICE);
 779		String label = getResources().getString(labelResId);
 780		if (mClipBoardManager != null) {
 781			ClipData mClipData = ClipData.newPlainText(label, text);
 782			mClipBoardManager.setPrimaryClip(mClipData);
 783			return true;
 784		}
 785		return false;
 786	}
 787
 788	protected boolean manuallyChangePresence() {
 789		return getBooleanPreference(SettingsActivity.MANUALLY_CHANGE_PRESENCE, R.bool.manually_change_presence);
 790	}
 791
 792	protected String getShareableUri() {
 793		return getShareableUri(false);
 794	}
 795
 796	protected String getShareableUri(boolean http) {
 797		return null;
 798	}
 799
 800	protected void shareLink(boolean http) {
 801		String uri = getShareableUri(http);
 802		if (uri == null || uri.isEmpty()) {
 803			return;
 804		}
 805		Intent intent = new Intent(Intent.ACTION_SEND);
 806		intent.setType("text/plain");
 807		intent.putExtra(Intent.EXTRA_TEXT, getShareableUri(http));
 808		try {
 809			startActivity(Intent.createChooser(intent, getText(R.string.share_uri_with)));
 810		} catch (ActivityNotFoundException e) {
 811			Toast.makeText(this, R.string.no_application_to_share_uri, Toast.LENGTH_SHORT).show();
 812		}
 813	}
 814
 815	protected void launchOpenKeyChain(long keyId) {
 816		PgpEngine pgp = XmppActivity.this.xmppConnectionService.getPgpEngine();
 817		try {
 818			startIntentSenderForResult(
 819					pgp.getIntentForKey(keyId).getIntentSender(), 0, null, 0,
 820					0, 0);
 821		} catch (Throwable e) {
 822			Toast.makeText(XmppActivity.this, R.string.openpgp_error, Toast.LENGTH_SHORT).show();
 823		}
 824	}
 825
 826	@Override
 827	public void onResume() {
 828		super.onResume();
 829	}
 830
 831	protected int findTheme() {
 832		return ThemeHelper.find(this);
 833	}
 834
 835	@Override
 836	public void onPause() {
 837		super.onPause();
 838	}
 839
 840	@Override
 841	public boolean onMenuOpened(int id, Menu menu) {
 842		if(id == AppCompatDelegate.FEATURE_SUPPORT_ACTION_BAR && menu != null) {
 843			MenuDoubleTabUtil.recordMenuOpen();
 844		}
 845		return super.onMenuOpened(id, menu);
 846	}
 847
 848	protected void showQrCode() {
 849		showQrCode(getShareableUri());
 850	}
 851
 852	protected void showQrCode(final String uri) {
 853		if (uri == null || uri.isEmpty()) {
 854			return;
 855		}
 856		Point size = new Point();
 857		getWindowManager().getDefaultDisplay().getSize(size);
 858		final int width = (size.x < size.y ? size.x : size.y);
 859		Bitmap bitmap = BarcodeProvider.create2dBarcodeBitmap(uri, width);
 860		ImageView view = new ImageView(this);
 861		view.setBackgroundColor(Color.WHITE);
 862		view.setImageBitmap(bitmap);
 863		AlertDialog.Builder builder = new AlertDialog.Builder(this);
 864		builder.setView(view);
 865		builder.create().show();
 866	}
 867
 868	protected Account extractAccount(Intent intent) {
 869		String jid = intent != null ? intent.getStringExtra(EXTRA_ACCOUNT) : null;
 870		try {
 871			return jid != null ? xmppConnectionService.findAccountByJid(Jid.of(jid)) : null;
 872		} catch (IllegalArgumentException e) {
 873			return null;
 874		}
 875	}
 876
 877	public AvatarService avatarService() {
 878		return xmppConnectionService.getAvatarService();
 879	}
 880
 881	public void loadBitmap(Message message, ImageView imageView) {
 882		Bitmap bm;
 883		try {
 884			bm = xmppConnectionService.getFileBackend().getThumbnail(message, (int) (metrics.density * 288), true);
 885		} catch (IOException e) {
 886			bm = null;
 887		}
 888		if (bm != null) {
 889			cancelPotentialWork(message, imageView);
 890			imageView.setImageBitmap(bm);
 891			imageView.setBackgroundColor(0x00000000);
 892		} else {
 893			if (cancelPotentialWork(message, imageView)) {
 894				imageView.setBackgroundColor(0xff333333);
 895				imageView.setImageDrawable(null);
 896				final BitmapWorkerTask task = new BitmapWorkerTask(imageView);
 897				final AsyncDrawable asyncDrawable = new AsyncDrawable(
 898						getResources(), null, task);
 899				imageView.setImageDrawable(asyncDrawable);
 900				try {
 901					task.execute(message);
 902				} catch (final RejectedExecutionException ignored) {
 903					ignored.printStackTrace();
 904				}
 905			}
 906		}
 907	}
 908
 909	protected interface OnValueEdited {
 910		String onValueEdited(String value);
 911	}
 912
 913	public static class ConferenceInvite {
 914		private String uuid;
 915		private List<Jid> jids = new ArrayList<>();
 916
 917		public static ConferenceInvite parse(Intent data) {
 918			ConferenceInvite invite = new ConferenceInvite();
 919			invite.uuid = data.getStringExtra(ChooseContactActivity.EXTRA_CONVERSATION);
 920			if (invite.uuid == null) {
 921				return null;
 922			}
 923			invite.jids.addAll(ChooseContactActivity.extractJabberIds(data));
 924			return invite;
 925		}
 926
 927		public boolean execute(XmppActivity activity) {
 928			XmppConnectionService service = activity.xmppConnectionService;
 929			Conversation conversation = service.findConversationByUuid(this.uuid);
 930			if (conversation == null) {
 931				return false;
 932			}
 933			if (conversation.getMode() == Conversation.MODE_MULTI) {
 934				for (Jid jid : jids) {
 935					service.invite(conversation, jid);
 936				}
 937				return false;
 938			} else {
 939				jids.add(conversation.getJid().asBareJid());
 940				return service.createAdhocConference(conversation.getAccount(), null, jids, activity.adhocCallback);
 941			}
 942		}
 943	}
 944
 945	static class BitmapWorkerTask extends AsyncTask<Message, Void, Bitmap> {
 946		private final WeakReference<ImageView> imageViewReference;
 947		private Message message = null;
 948
 949		private BitmapWorkerTask(ImageView imageView) {
 950			this.imageViewReference = new WeakReference<>(imageView);
 951		}
 952
 953		@Override
 954		protected Bitmap doInBackground(Message... params) {
 955			if (isCancelled()) {
 956				return null;
 957			}
 958			message = params[0];
 959			try {
 960				final XmppActivity activity = find(imageViewReference);
 961				if (activity != null && activity.xmppConnectionService != null) {
 962					return activity.xmppConnectionService.getFileBackend().getThumbnail(message, (int) (activity.metrics.density * 288), false);
 963				} else {
 964					return null;
 965				}
 966			} catch (IOException e) {
 967				return null;
 968			}
 969		}
 970
 971		@Override
 972		protected void onPostExecute(final Bitmap bitmap) {
 973			if (!isCancelled()) {
 974				final ImageView imageView = imageViewReference.get();
 975				if (imageView != null) {
 976					imageView.setImageBitmap(bitmap);
 977					imageView.setBackgroundColor(bitmap == null ? 0xff333333 : 0x00000000);
 978				}
 979			}
 980		}
 981	}
 982
 983	private static class AsyncDrawable extends BitmapDrawable {
 984		private final WeakReference<BitmapWorkerTask> bitmapWorkerTaskReference;
 985
 986		private AsyncDrawable(Resources res, Bitmap bitmap, BitmapWorkerTask bitmapWorkerTask) {
 987			super(res, bitmap);
 988			bitmapWorkerTaskReference = new WeakReference<>(bitmapWorkerTask);
 989		}
 990
 991		private BitmapWorkerTask getBitmapWorkerTask() {
 992			return bitmapWorkerTaskReference.get();
 993		}
 994	}
 995
 996	public static XmppActivity find(WeakReference<ImageView> viewWeakReference) {
 997		final View view = viewWeakReference.get();
 998		if (view == null) {
 999			return null;
1000		}
1001		final Context context = view.getContext();
1002		if (context instanceof XmppActivity) {
1003			return (XmppActivity) context;
1004		}
1005		return null;
1006	}
1007}