XmppActivity.java

   1package eu.siacs.conversations.ui;
   2
   3import android.annotation.SuppressLint;
   4import android.annotation.TargetApi;
   5import android.app.ActionBar;
   6import android.app.Activity;
   7import android.app.AlertDialog;
   8import android.app.AlertDialog.Builder;
   9import android.app.PendingIntent;
  10import android.content.ClipData;
  11import android.content.ClipboardManager;
  12import android.content.ComponentName;
  13import android.content.Context;
  14import android.content.DialogInterface;
  15import android.content.DialogInterface.OnClickListener;
  16import android.content.Intent;
  17import android.content.IntentSender.SendIntentException;
  18import android.content.ServiceConnection;
  19import android.content.SharedPreferences;
  20import android.content.pm.PackageManager;
  21import android.content.pm.ResolveInfo;
  22import android.content.res.Resources;
  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.Uri;
  29import android.nfc.NdefMessage;
  30import android.nfc.NdefRecord;
  31import android.nfc.NfcAdapter;
  32import android.nfc.NfcEvent;
  33import android.os.AsyncTask;
  34import android.os.Build;
  35import android.os.Bundle;
  36import android.os.Handler;
  37import android.os.IBinder;
  38import android.os.SystemClock;
  39import android.preference.PreferenceManager;
  40import android.text.InputType;
  41import android.util.DisplayMetrics;
  42import android.util.Log;
  43import android.view.MenuItem;
  44import android.view.View;
  45import android.view.inputmethod.InputMethodManager;
  46import android.widget.CompoundButton;
  47import android.widget.EditText;
  48import android.widget.ImageView;
  49import android.widget.LinearLayout;
  50import android.widget.TextView;
  51import android.widget.Toast;
  52
  53import com.google.zxing.BarcodeFormat;
  54import com.google.zxing.EncodeHintType;
  55import com.google.zxing.WriterException;
  56import com.google.zxing.common.BitMatrix;
  57import com.google.zxing.qrcode.QRCodeWriter;
  58import com.google.zxing.qrcode.decoder.ErrorCorrectionLevel;
  59
  60import net.java.otr4j.session.SessionID;
  61
  62import org.whispersystems.libaxolotl.IdentityKey;
  63
  64import java.io.FileNotFoundException;
  65import java.lang.ref.WeakReference;
  66import java.util.ArrayList;
  67import java.util.Hashtable;
  68import java.util.List;
  69import java.util.concurrent.RejectedExecutionException;
  70
  71import eu.siacs.conversations.Config;
  72import eu.siacs.conversations.R;
  73import eu.siacs.conversations.crypto.axolotl.AxolotlService;
  74import eu.siacs.conversations.entities.Account;
  75import eu.siacs.conversations.entities.Contact;
  76import eu.siacs.conversations.entities.Conversation;
  77import eu.siacs.conversations.entities.Message;
  78import eu.siacs.conversations.entities.MucOptions;
  79import eu.siacs.conversations.entities.Presences;
  80import eu.siacs.conversations.services.AvatarService;
  81import eu.siacs.conversations.services.XmppConnectionService;
  82import eu.siacs.conversations.services.XmppConnectionService.XmppConnectionBinder;
  83import eu.siacs.conversations.ui.widget.Switch;
  84import eu.siacs.conversations.utils.CryptoHelper;
  85import eu.siacs.conversations.utils.ExceptionHelper;
  86import eu.siacs.conversations.xmpp.OnNewKeysAvailable;
  87import eu.siacs.conversations.xmpp.OnUpdateBlocklist;
  88import eu.siacs.conversations.xmpp.jid.InvalidJidException;
  89import eu.siacs.conversations.xmpp.jid.Jid;
  90
  91public abstract class XmppActivity extends Activity {
  92
  93	protected static final int REQUEST_ANNOUNCE_PGP = 0x0101;
  94	protected static final int REQUEST_INVITE_TO_CONVERSATION = 0x0102;
  95
  96	public XmppConnectionService xmppConnectionService;
  97	public boolean xmppConnectionServiceBound = false;
  98	protected boolean registeredListeners = false;
  99
 100	protected int mPrimaryTextColor;
 101	protected int mSecondaryTextColor;
 102	protected int mPrimaryBackgroundColor;
 103	protected int mSecondaryBackgroundColor;
 104	protected int mColorRed;
 105	protected int mColorOrange;
 106	protected int mColorGreen;
 107	protected int mPrimaryColor;
 108
 109	protected boolean mUseSubject = true;
 110
 111	private DisplayMetrics metrics;
 112	protected int mTheme;
 113	protected boolean mUsingEnterKey = false;
 114
 115	private long mLastUiRefresh = 0;
 116	private Handler mRefreshUiHandler = new Handler();
 117	private Runnable mRefreshUiRunnable = new Runnable() {
 118		@Override
 119		public void run() {
 120			mLastUiRefresh = SystemClock.elapsedRealtime();
 121			refreshUiReal();
 122		}
 123	};
 124
 125	protected ConferenceInvite mPendingConferenceInvite = null;
 126
 127
 128	protected final void refreshUi() {
 129		final long diff = SystemClock.elapsedRealtime() - mLastUiRefresh;
 130		if (diff > Config.REFRESH_UI_INTERVAL) {
 131			mRefreshUiHandler.removeCallbacks(mRefreshUiRunnable);
 132			runOnUiThread(mRefreshUiRunnable);
 133		} else {
 134			final long next = Config.REFRESH_UI_INTERVAL - diff;
 135			mRefreshUiHandler.removeCallbacks(mRefreshUiRunnable);
 136			mRefreshUiHandler.postDelayed(mRefreshUiRunnable,next);
 137		}
 138	}
 139
 140	abstract protected void refreshUiReal();
 141
 142	protected interface OnValueEdited {
 143		public void onValueEdited(String value);
 144	}
 145
 146	public interface OnPresenceSelected {
 147		public void onPresenceSelected();
 148	}
 149
 150	protected ServiceConnection mConnection = new ServiceConnection() {
 151
 152		@Override
 153		public void onServiceConnected(ComponentName className, IBinder service) {
 154			XmppConnectionBinder binder = (XmppConnectionBinder) service;
 155			xmppConnectionService = binder.getService();
 156			xmppConnectionServiceBound = true;
 157			if (!registeredListeners && shouldRegisterListeners()) {
 158				registerListeners();
 159				registeredListeners = true;
 160			}
 161			onBackendConnected();
 162		}
 163
 164		@Override
 165		public void onServiceDisconnected(ComponentName arg0) {
 166			xmppConnectionServiceBound = false;
 167		}
 168	};
 169
 170	@Override
 171	protected void onStart() {
 172		super.onStart();
 173		if (!xmppConnectionServiceBound) {
 174			connectToBackend();
 175		} else {
 176			if (!registeredListeners) {
 177				this.registerListeners();
 178				this.registeredListeners = true;
 179			}
 180			this.onBackendConnected();
 181		}
 182	}
 183
 184	@TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR1)
 185	protected boolean shouldRegisterListeners() {
 186		if  (android.os.Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) {
 187			return !isDestroyed() && !isFinishing();
 188		} else {
 189			return !isFinishing();
 190		}
 191	}
 192
 193	public void connectToBackend() {
 194		Intent intent = new Intent(this, XmppConnectionService.class);
 195		intent.setAction("ui");
 196		startService(intent);
 197		bindService(intent, mConnection, Context.BIND_AUTO_CREATE);
 198	}
 199
 200	@Override
 201	protected void onStop() {
 202		super.onStop();
 203		if (xmppConnectionServiceBound) {
 204			if (registeredListeners) {
 205				this.unregisterListeners();
 206				this.registeredListeners = false;
 207			}
 208			unbindService(mConnection);
 209			xmppConnectionServiceBound = false;
 210		}
 211	}
 212
 213	protected void hideKeyboard() {
 214		InputMethodManager inputManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
 215
 216		View focus = getCurrentFocus();
 217
 218		if (focus != null) {
 219
 220			inputManager.hideSoftInputFromWindow(focus.getWindowToken(),
 221					InputMethodManager.HIDE_NOT_ALWAYS);
 222		}
 223	}
 224
 225	public boolean hasPgp() {
 226		return xmppConnectionService.getPgpEngine() != null;
 227	}
 228
 229	public void showInstallPgpDialog() {
 230		Builder builder = new AlertDialog.Builder(this);
 231		builder.setTitle(getString(R.string.openkeychain_required));
 232		builder.setIconAttribute(android.R.attr.alertDialogIcon);
 233		builder.setMessage(getText(R.string.openkeychain_required_long));
 234		builder.setNegativeButton(getString(R.string.cancel), null);
 235		builder.setNeutralButton(getString(R.string.restart),
 236				new OnClickListener() {
 237
 238					@Override
 239					public void onClick(DialogInterface dialog, int which) {
 240						if (xmppConnectionServiceBound) {
 241							unbindService(mConnection);
 242							xmppConnectionServiceBound = false;
 243						}
 244						stopService(new Intent(XmppActivity.this,
 245									XmppConnectionService.class));
 246						finish();
 247					}
 248				});
 249		builder.setPositiveButton(getString(R.string.install),
 250				new OnClickListener() {
 251
 252					@Override
 253					public void onClick(DialogInterface dialog, int which) {
 254						Uri uri = Uri
 255							.parse("market://details?id=org.sufficientlysecure.keychain");
 256						Intent marketIntent = new Intent(Intent.ACTION_VIEW,
 257								uri);
 258						PackageManager manager = getApplicationContext()
 259							.getPackageManager();
 260						List<ResolveInfo> infos = manager
 261							.queryIntentActivities(marketIntent, 0);
 262						if (infos.size() > 0) {
 263							startActivity(marketIntent);
 264						} else {
 265							uri = Uri.parse("http://www.openkeychain.org/");
 266							Intent browserIntent = new Intent(
 267									Intent.ACTION_VIEW, uri);
 268							startActivity(browserIntent);
 269						}
 270						finish();
 271					}
 272				});
 273		builder.create().show();
 274	}
 275
 276	abstract void onBackendConnected();
 277
 278	protected void registerListeners() {
 279		if (this instanceof XmppConnectionService.OnConversationUpdate) {
 280			this.xmppConnectionService.setOnConversationListChangedListener((XmppConnectionService.OnConversationUpdate) this);
 281		}
 282		if (this instanceof XmppConnectionService.OnAccountUpdate) {
 283			this.xmppConnectionService.setOnAccountListChangedListener((XmppConnectionService.OnAccountUpdate) this);
 284		}
 285		if (this instanceof XmppConnectionService.OnRosterUpdate) {
 286			this.xmppConnectionService.setOnRosterUpdateListener((XmppConnectionService.OnRosterUpdate) this);
 287		}
 288		if (this instanceof XmppConnectionService.OnMucRosterUpdate) {
 289			this.xmppConnectionService.setOnMucRosterUpdateListener((XmppConnectionService.OnMucRosterUpdate) this);
 290		}
 291		if (this instanceof OnUpdateBlocklist) {
 292			this.xmppConnectionService.setOnUpdateBlocklistListener((OnUpdateBlocklist) this);
 293		}
 294		if (this instanceof XmppConnectionService.OnShowErrorToast) {
 295			this.xmppConnectionService.setOnShowErrorToastListener((XmppConnectionService.OnShowErrorToast) this);
 296		}
 297		if (this instanceof OnNewKeysAvailable) {
 298			this.xmppConnectionService.setOnNewKeysAvailableListener((OnNewKeysAvailable) this);
 299		}
 300	}
 301
 302	protected void unregisterListeners() {
 303		if (this instanceof XmppConnectionService.OnConversationUpdate) {
 304			this.xmppConnectionService.removeOnConversationListChangedListener();
 305		}
 306		if (this instanceof XmppConnectionService.OnAccountUpdate) {
 307			this.xmppConnectionService.removeOnAccountListChangedListener();
 308		}
 309		if (this instanceof XmppConnectionService.OnRosterUpdate) {
 310			this.xmppConnectionService.removeOnRosterUpdateListener();
 311		}
 312		if (this instanceof XmppConnectionService.OnMucRosterUpdate) {
 313			this.xmppConnectionService.removeOnMucRosterUpdateListener();
 314		}
 315		if (this instanceof OnUpdateBlocklist) {
 316			this.xmppConnectionService.removeOnUpdateBlocklistListener();
 317		}
 318		if (this instanceof XmppConnectionService.OnShowErrorToast) {
 319			this.xmppConnectionService.removeOnShowErrorToastListener();
 320		}
 321		if (this instanceof OnNewKeysAvailable) {
 322			this.xmppConnectionService.removeOnNewKeysAvailableListener();
 323		}
 324	}
 325
 326	@Override
 327	public boolean onOptionsItemSelected(final MenuItem item) {
 328		switch (item.getItemId()) {
 329			case R.id.action_settings:
 330				startActivity(new Intent(this, SettingsActivity.class));
 331				break;
 332			case R.id.action_accounts:
 333				startActivity(new Intent(this, ManageAccountActivity.class));
 334				break;
 335			case android.R.id.home:
 336				finish();
 337				break;
 338			case R.id.action_show_qr_code:
 339				showQrCode();
 340				break;
 341		}
 342		return super.onOptionsItemSelected(item);
 343	}
 344
 345	@Override
 346	protected void onCreate(Bundle savedInstanceState) {
 347		super.onCreate(savedInstanceState);
 348		metrics = getResources().getDisplayMetrics();
 349		ExceptionHelper.init(getApplicationContext());
 350		mPrimaryTextColor = getResources().getColor(R.color.black87);
 351		mSecondaryTextColor = getResources().getColor(R.color.black54);
 352		mColorRed = getResources().getColor(R.color.red500);
 353		mColorOrange = getResources().getColor(R.color.orange500);
 354		mColorGreen = getResources().getColor(R.color.green500);
 355		mPrimaryColor = getResources().getColor(R.color.green500);
 356		mPrimaryBackgroundColor = getResources().getColor(R.color.grey50);
 357		mSecondaryBackgroundColor = getResources().getColor(R.color.grey200);
 358		this.mTheme = findTheme();
 359		setTheme(this.mTheme);
 360		this.mUsingEnterKey = usingEnterKey();
 361		mUseSubject = getPreferences().getBoolean("use_subject", true);
 362		final ActionBar ab = getActionBar();
 363		if (ab!=null) {
 364			ab.setDisplayHomeAsUpEnabled(true);
 365		}
 366	}
 367
 368	protected boolean usingEnterKey() {
 369		return getPreferences().getBoolean("display_enter_key", false);
 370	}
 371
 372	protected SharedPreferences getPreferences() {
 373		return PreferenceManager
 374			.getDefaultSharedPreferences(getApplicationContext());
 375	}
 376
 377	public boolean useSubjectToIdentifyConference() {
 378		return mUseSubject;
 379	}
 380
 381	public void switchToConversation(Conversation conversation) {
 382		switchToConversation(conversation, null, false);
 383	}
 384
 385	public void switchToConversation(Conversation conversation, String text,
 386			boolean newTask) {
 387		switchToConversation(conversation,text,null,newTask);
 388	}
 389
 390	public void highlightInMuc(Conversation conversation, String nick) {
 391		switchToConversation(conversation, null, nick, false);
 392	}
 393
 394	private void switchToConversation(Conversation conversation, String text, String nick, boolean newTask) {
 395		Intent viewConversationIntent = new Intent(this,
 396				ConversationActivity.class);
 397		viewConversationIntent.setAction(Intent.ACTION_VIEW);
 398		viewConversationIntent.putExtra(ConversationActivity.CONVERSATION,
 399				conversation.getUuid());
 400		if (text != null) {
 401			viewConversationIntent.putExtra(ConversationActivity.TEXT, text);
 402		}
 403		if (nick != null) {
 404			viewConversationIntent.putExtra(ConversationActivity.NICK, nick);
 405		}
 406		viewConversationIntent.setType(ConversationActivity.VIEW_CONVERSATION);
 407		if (newTask) {
 408			viewConversationIntent.setFlags(viewConversationIntent.getFlags()
 409					| Intent.FLAG_ACTIVITY_NEW_TASK
 410					| Intent.FLAG_ACTIVITY_SINGLE_TOP);
 411		} else {
 412			viewConversationIntent.setFlags(viewConversationIntent.getFlags()
 413					| Intent.FLAG_ACTIVITY_CLEAR_TOP);
 414		}
 415		startActivity(viewConversationIntent);
 416		finish();
 417	}
 418
 419	public void switchToContactDetails(Contact contact) {
 420		Intent intent = new Intent(this, ContactDetailsActivity.class);
 421		intent.setAction(ContactDetailsActivity.ACTION_VIEW_CONTACT);
 422		intent.putExtra("account", contact.getAccount().getJid().toBareJid().toString());
 423		intent.putExtra("contact", contact.getJid().toString());
 424		startActivity(intent);
 425	}
 426
 427	public void switchToAccount(Account account) {
 428		Intent intent = new Intent(this, EditAccountActivity.class);
 429		intent.putExtra("jid", account.getJid().toBareJid().toString());
 430		startActivity(intent);
 431	}
 432
 433	protected void inviteToConversation(Conversation conversation) {
 434		Intent intent = new Intent(getApplicationContext(),
 435				ChooseContactActivity.class);
 436		List<String> contacts = new ArrayList<>();
 437		if (conversation.getMode() == Conversation.MODE_MULTI) {
 438			for (MucOptions.User user : conversation.getMucOptions().getUsers()) {
 439				Jid jid = user.getJid();
 440				if (jid != null) {
 441					contacts.add(jid.toBareJid().toString());
 442				}
 443			}
 444		} else {
 445			contacts.add(conversation.getJid().toBareJid().toString());
 446		}
 447		intent.putExtra("filter_contacts", contacts.toArray(new String[contacts.size()]));
 448		intent.putExtra("conversation", conversation.getUuid());
 449		intent.putExtra("multiple", true);
 450		startActivityForResult(intent, REQUEST_INVITE_TO_CONVERSATION);
 451	}
 452
 453	protected void announcePgp(Account account, final Conversation conversation) {
 454		xmppConnectionService.getPgpEngine().generateSignature(account,
 455				"online", new UiCallback<Account>() {
 456
 457					@Override
 458					public void userInputRequried(PendingIntent pi,
 459					                              Account account) {
 460						try {
 461							startIntentSenderForResult(pi.getIntentSender(),
 462									REQUEST_ANNOUNCE_PGP, null, 0, 0, 0);
 463						} catch (final SendIntentException ignored) {
 464						}
 465					}
 466
 467					@Override
 468					public void success(Account account) {
 469						xmppConnectionService.databaseBackend.updateAccount(account);
 470						xmppConnectionService.sendPresence(account);
 471						if (conversation != null) {
 472							conversation.setNextEncryption(Message.ENCRYPTION_PGP);
 473							xmppConnectionService.databaseBackend.updateConversation(conversation);
 474						}
 475					}
 476
 477					@Override
 478					public void error(int error, Account account) {
 479						displayErrorDialog(error);
 480					}
 481				});
 482	}
 483
 484	protected void displayErrorDialog(final int errorCode) {
 485		runOnUiThread(new Runnable() {
 486
 487			@Override
 488			public void run() {
 489				AlertDialog.Builder builder = new AlertDialog.Builder(
 490						XmppActivity.this);
 491				builder.setIconAttribute(android.R.attr.alertDialogIcon);
 492				builder.setTitle(getString(R.string.error));
 493				builder.setMessage(errorCode);
 494				builder.setNeutralButton(R.string.accept, null);
 495				builder.create().show();
 496			}
 497		});
 498
 499	}
 500
 501	protected void showAddToRosterDialog(final Conversation conversation) {
 502		showAddToRosterDialog(conversation.getContact());
 503	}
 504
 505	protected void showAddToRosterDialog(final Contact contact) {
 506		AlertDialog.Builder builder = new AlertDialog.Builder(this);
 507		builder.setTitle(contact.getJid().toString());
 508		builder.setMessage(getString(R.string.not_in_roster));
 509		builder.setNegativeButton(getString(R.string.cancel), null);
 510		builder.setPositiveButton(getString(R.string.add_contact),
 511				new DialogInterface.OnClickListener() {
 512
 513					@Override
 514					public void onClick(DialogInterface dialog, int which) {
 515						final Jid jid = contact.getJid();
 516						Account account = contact.getAccount();
 517						Contact contact = account.getRoster().getContact(jid);
 518						xmppConnectionService.createContact(contact);
 519					}
 520				});
 521		builder.create().show();
 522	}
 523
 524	private void showAskForPresenceDialog(final Contact contact) {
 525		AlertDialog.Builder builder = new AlertDialog.Builder(this);
 526		builder.setTitle(contact.getJid().toString());
 527		builder.setMessage(R.string.request_presence_updates);
 528		builder.setNegativeButton(R.string.cancel, null);
 529		builder.setPositiveButton(R.string.request_now,
 530				new DialogInterface.OnClickListener() {
 531
 532					@Override
 533					public void onClick(DialogInterface dialog, int which) {
 534						if (xmppConnectionServiceBound) {
 535							xmppConnectionService.sendPresencePacket(contact
 536									.getAccount(), xmppConnectionService
 537									.getPresenceGenerator()
 538									.requestPresenceUpdatesFrom(contact));
 539						}
 540					}
 541				});
 542		builder.create().show();
 543	}
 544
 545	private void warnMutalPresenceSubscription(final Conversation conversation,
 546			final OnPresenceSelected listener) {
 547		AlertDialog.Builder builder = new AlertDialog.Builder(this);
 548		builder.setTitle(conversation.getContact().getJid().toString());
 549		builder.setMessage(R.string.without_mutual_presence_updates);
 550		builder.setNegativeButton(R.string.cancel, null);
 551		builder.setPositiveButton(R.string.ignore, new OnClickListener() {
 552
 553			@Override
 554			public void onClick(DialogInterface dialog, int which) {
 555				conversation.setNextCounterpart(null);
 556				if (listener != null) {
 557					listener.onPresenceSelected();
 558				}
 559			}
 560		});
 561		builder.create().show();
 562	}
 563
 564	protected void quickEdit(String previousValue, OnValueEdited callback) {
 565		quickEdit(previousValue, callback, false);
 566	}
 567
 568	protected void quickPasswordEdit(String previousValue,
 569			OnValueEdited callback) {
 570		quickEdit(previousValue, callback, true);
 571	}
 572
 573	@SuppressLint("InflateParams")
 574	private void quickEdit(final String previousValue,
 575			final OnValueEdited callback, boolean password) {
 576		AlertDialog.Builder builder = new AlertDialog.Builder(this);
 577		View view = getLayoutInflater().inflate(R.layout.quickedit, null);
 578		final EditText editor = (EditText) view.findViewById(R.id.editor);
 579		OnClickListener mClickListener = new OnClickListener() {
 580
 581			@Override
 582			public void onClick(DialogInterface dialog, int which) {
 583				String value = editor.getText().toString();
 584				if (!previousValue.equals(value) && value.trim().length() > 0) {
 585					callback.onValueEdited(value);
 586				}
 587			}
 588		};
 589		if (password) {
 590			editor.setInputType(InputType.TYPE_CLASS_TEXT
 591					| InputType.TYPE_TEXT_VARIATION_PASSWORD);
 592			editor.setHint(R.string.password);
 593			builder.setPositiveButton(R.string.accept, mClickListener);
 594		} else {
 595			builder.setPositiveButton(R.string.edit, mClickListener);
 596		}
 597		editor.requestFocus();
 598		editor.setText(previousValue);
 599		builder.setView(view);
 600		builder.setNegativeButton(R.string.cancel, null);
 601		builder.create().show();
 602	}
 603
 604	protected void addFingerprintRow(LinearLayout keys, final Account account, IdentityKey identityKey) {
 605		final String fingerprint = identityKey.getFingerprint().replaceAll("\\s", "");
 606		final AxolotlService.SQLiteAxolotlStore.Trust trust = account.getAxolotlService()
 607				.getFingerprintTrust(fingerprint);
 608		addFingerprintRowWithListeners(keys, account, identityKey, trust, true,
 609				new CompoundButton.OnCheckedChangeListener() {
 610					@Override
 611					public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
 612						if (isChecked != (trust == AxolotlService.SQLiteAxolotlStore.Trust.TRUSTED)) {
 613							account.getAxolotlService().setFingerprintTrust(fingerprint,
 614									(isChecked) ? AxolotlService.SQLiteAxolotlStore.Trust.TRUSTED :
 615											AxolotlService.SQLiteAxolotlStore.Trust.UNTRUSTED);
 616						}
 617						refreshUi();
 618						xmppConnectionService.updateAccountUi();
 619						xmppConnectionService.updateConversationUi();
 620					}
 621				},
 622				new View.OnClickListener() {
 623					@Override
 624					public void onClick(View v) {
 625						account.getAxolotlService().setFingerprintTrust(fingerprint,
 626								AxolotlService.SQLiteAxolotlStore.Trust.UNTRUSTED);
 627						refreshUi();
 628						xmppConnectionService.updateAccountUi();
 629						xmppConnectionService.updateConversationUi();
 630					}
 631				}
 632
 633		);
 634	}
 635
 636	protected void addFingerprintRowWithListeners(LinearLayout keys, final Account account,
 637	                                              IdentityKey identityKey,
 638	                                              AxolotlService.SQLiteAxolotlStore.Trust trust,
 639	                                              boolean showTag,
 640	                                              CompoundButton.OnCheckedChangeListener
 641			                                             onCheckedChangeListener,
 642	                                              View.OnClickListener onClickListener) {
 643		View view = getLayoutInflater().inflate(R.layout.contact_key, keys, false);
 644		TextView key = (TextView) view.findViewById(R.id.key);
 645		TextView keyType = (TextView) view.findViewById(R.id.key_type);
 646		Switch trustToggle = (Switch) view.findViewById(R.id.tgl_trust);
 647		trustToggle.setVisibility(View.VISIBLE);
 648		trustToggle.setOnCheckedChangeListener(onCheckedChangeListener);
 649		trustToggle.setOnClickListener(onClickListener);
 650
 651		switch (trust) {
 652			case UNTRUSTED:
 653			case TRUSTED:
 654				trustToggle.setChecked(trust == AxolotlService.SQLiteAxolotlStore.Trust.TRUSTED, false);
 655				trustToggle.setEnabled(true);
 656				break;
 657			case UNDECIDED:
 658				trustToggle.setChecked(false, false);
 659				trustToggle.setEnabled(false);
 660				break;
 661		}
 662
 663		if (showTag) {
 664			keyType.setText(getString(R.string.axolotl_fingerprint));
 665		} else {
 666			keyType.setVisibility(View.GONE);
 667		}
 668
 669		key.setText(CryptoHelper.prettifyFingerprint(identityKey.getFingerprint()));
 670		keys.addView(view);
 671
 672	}
 673
 674	public void selectPresence(final Conversation conversation,
 675			final OnPresenceSelected listener) {
 676		final Contact contact = conversation.getContact();
 677		if (conversation.hasValidOtrSession()) {
 678			SessionID id = conversation.getOtrSession().getSessionID();
 679			Jid jid;
 680			try {
 681				jid = Jid.fromString(id.getAccountID() + "/" + id.getUserID());
 682			} catch (InvalidJidException e) {
 683				jid = null;
 684			}
 685			conversation.setNextCounterpart(jid);
 686			listener.onPresenceSelected();
 687		} else 	if (!contact.showInRoster()) {
 688			showAddToRosterDialog(conversation);
 689		} else {
 690			Presences presences = contact.getPresences();
 691			if (presences.size() == 0) {
 692				if (!contact.getOption(Contact.Options.TO)
 693						&& !contact.getOption(Contact.Options.ASKING)
 694						&& contact.getAccount().getStatus() == Account.State.ONLINE) {
 695					showAskForPresenceDialog(contact);
 696				} else if (!contact.getOption(Contact.Options.TO)
 697						|| !contact.getOption(Contact.Options.FROM)) {
 698					warnMutalPresenceSubscription(conversation, listener);
 699				} else {
 700					conversation.setNextCounterpart(null);
 701					listener.onPresenceSelected();
 702				}
 703			} else if (presences.size() == 1) {
 704				String presence = presences.asStringArray()[0];
 705				try {
 706					conversation.setNextCounterpart(Jid.fromParts(contact.getJid().getLocalpart(),contact.getJid().getDomainpart(),presence));
 707				} catch (InvalidJidException e) {
 708					conversation.setNextCounterpart(null);
 709				}
 710				listener.onPresenceSelected();
 711			} else {
 712				final StringBuilder presence = new StringBuilder();
 713				AlertDialog.Builder builder = new AlertDialog.Builder(this);
 714				builder.setTitle(getString(R.string.choose_presence));
 715				final String[] presencesArray = presences.asStringArray();
 716				int preselectedPresence = 0;
 717				for (int i = 0; i < presencesArray.length; ++i) {
 718					if (presencesArray[i].equals(contact.lastseen.presence)) {
 719						preselectedPresence = i;
 720						break;
 721					}
 722				}
 723				presence.append(presencesArray[preselectedPresence]);
 724				builder.setSingleChoiceItems(presencesArray,
 725						preselectedPresence,
 726						new DialogInterface.OnClickListener() {
 727
 728							@Override
 729							public void onClick(DialogInterface dialog,
 730									int which) {
 731								presence.delete(0, presence.length());
 732								presence.append(presencesArray[which]);
 733							}
 734						});
 735				builder.setNegativeButton(R.string.cancel, null);
 736				builder.setPositiveButton(R.string.ok, new OnClickListener() {
 737
 738					@Override
 739					public void onClick(DialogInterface dialog, int which) {
 740						try {
 741							conversation.setNextCounterpart(Jid.fromParts(contact.getJid().getLocalpart(),contact.getJid().getDomainpart(),presence.toString()));
 742						} catch (InvalidJidException e) {
 743							conversation.setNextCounterpart(null);
 744						}
 745						listener.onPresenceSelected();
 746					}
 747				});
 748				builder.create().show();
 749			}
 750		}
 751	}
 752
 753	protected void onActivityResult(int requestCode, int resultCode,
 754			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				mPendingConferenceInvite.execute(this);
 760				mPendingConferenceInvite = null;
 761			}
 762		}
 763	}
 764
 765	private UiCallback<Conversation> adhocCallback = new UiCallback<Conversation>() {
 766		@Override
 767		public void success(final Conversation conversation) {
 768			switchToConversation(conversation);
 769			runOnUiThread(new Runnable() {
 770				@Override
 771				public void run() {
 772					Toast.makeText(XmppActivity.this,R.string.conference_created,Toast.LENGTH_LONG).show();
 773				}
 774			});
 775		}
 776
 777		@Override
 778		public void error(final int errorCode, Conversation object) {
 779			runOnUiThread(new Runnable() {
 780				@Override
 781				public void run() {
 782					Toast.makeText(XmppActivity.this,errorCode,Toast.LENGTH_LONG).show();
 783				}
 784			});
 785		}
 786
 787		@Override
 788		public void userInputRequried(PendingIntent pi, Conversation object) {
 789
 790		}
 791	};
 792
 793	public int getSecondaryTextColor() {
 794		return this.mSecondaryTextColor;
 795	}
 796
 797	public int getPrimaryTextColor() {
 798		return this.mPrimaryTextColor;
 799	}
 800
 801	public int getWarningTextColor() {
 802		return this.mColorRed;
 803	}
 804
 805	public int getOnlineColor() {
 806		return this.mColorGreen;
 807	}
 808
 809	public int getPrimaryBackgroundColor() {
 810		return this.mPrimaryBackgroundColor;
 811	}
 812
 813	public int getSecondaryBackgroundColor() {
 814		return this.mSecondaryBackgroundColor;
 815	}
 816
 817	public int getPixel(int dp) {
 818		DisplayMetrics metrics = getResources().getDisplayMetrics();
 819		return ((int) (dp * metrics.density));
 820	}
 821
 822	public boolean copyTextToClipboard(String text, int labelResId) {
 823		ClipboardManager mClipBoardManager = (ClipboardManager) getSystemService(CLIPBOARD_SERVICE);
 824		String label = getResources().getString(labelResId);
 825		if (mClipBoardManager != null) {
 826			ClipData mClipData = ClipData.newPlainText(label, text);
 827			mClipBoardManager.setPrimaryClip(mClipData);
 828			return true;
 829		}
 830		return false;
 831	}
 832
 833	protected void registerNdefPushMessageCallback() {
 834		NfcAdapter nfcAdapter = NfcAdapter.getDefaultAdapter(this);
 835		if (nfcAdapter != null && nfcAdapter.isEnabled()) {
 836			nfcAdapter.setNdefPushMessageCallback(new NfcAdapter.CreateNdefMessageCallback() {
 837				@Override
 838				public NdefMessage createNdefMessage(NfcEvent nfcEvent) {
 839					return new NdefMessage(new NdefRecord[]{
 840						NdefRecord.createUri(getShareableUri()),
 841							NdefRecord.createApplicationRecord("eu.siacs.conversations")
 842					});
 843				}
 844			}, this);
 845		}
 846	}
 847
 848	protected void unregisterNdefPushMessageCallback() {
 849		NfcAdapter nfcAdapter = NfcAdapter.getDefaultAdapter(this);
 850		if (nfcAdapter != null && nfcAdapter.isEnabled()) {
 851			nfcAdapter.setNdefPushMessageCallback(null,this);
 852		}
 853	}
 854
 855	protected String getShareableUri() {
 856		return null;
 857	}
 858
 859	@Override
 860	public void onResume() {
 861		super.onResume();
 862		if (this.getShareableUri()!=null) {
 863			this.registerNdefPushMessageCallback();
 864		}
 865	}
 866
 867	protected int findTheme() {
 868		if (getPreferences().getBoolean("use_larger_font", false)) {
 869			return R.style.ConversationsTheme_LargerText;
 870		} else {
 871			return R.style.ConversationsTheme;
 872		}
 873	}
 874
 875	@Override
 876	public void onPause() {
 877		super.onPause();
 878		this.unregisterNdefPushMessageCallback();
 879	}
 880
 881	protected void showQrCode() {
 882		String uri = getShareableUri();
 883		if (uri!=null) {
 884			Point size = new Point();
 885			getWindowManager().getDefaultDisplay().getSize(size);
 886			final int width = (size.x < size.y ? size.x : size.y);
 887			Bitmap bitmap = createQrCodeBitmap(uri, width);
 888			ImageView view = new ImageView(this);
 889			view.setImageBitmap(bitmap);
 890			AlertDialog.Builder builder = new AlertDialog.Builder(this);
 891			builder.setView(view);
 892			builder.create().show();
 893		}
 894	}
 895
 896	protected Bitmap createQrCodeBitmap(String input, int size) {
 897		Log.d(Config.LOGTAG,"qr code requested size: "+size);
 898		try {
 899			final QRCodeWriter QR_CODE_WRITER = new QRCodeWriter();
 900			final Hashtable<EncodeHintType, Object> hints = new Hashtable<>();
 901			hints.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.M);
 902			final BitMatrix result = QR_CODE_WRITER.encode(input, BarcodeFormat.QR_CODE, size, size, hints);
 903			final int width = result.getWidth();
 904			final int height = result.getHeight();
 905			final int[] pixels = new int[width * height];
 906			for (int y = 0; y < height; y++) {
 907				final int offset = y * width;
 908				for (int x = 0; x < width; x++) {
 909					pixels[offset + x] = result.get(x, y) ? Color.BLACK : Color.TRANSPARENT;
 910				}
 911			}
 912			final Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
 913			Log.d(Config.LOGTAG,"output size: "+width+"x"+height);
 914			bitmap.setPixels(pixels, 0, width, 0, 0, width, height);
 915			return bitmap;
 916		} catch (final WriterException e) {
 917			return null;
 918		}
 919	}
 920
 921	public static class ConferenceInvite {
 922		private String uuid;
 923		private List<Jid> jids = new ArrayList<>();
 924
 925		public static ConferenceInvite parse(Intent data) {
 926			ConferenceInvite invite = new ConferenceInvite();
 927			invite.uuid = data.getStringExtra("conversation");
 928			if (invite.uuid == null) {
 929				return null;
 930			}
 931			try {
 932				if (data.getBooleanExtra("multiple", false)) {
 933					String[] toAdd = data.getStringArrayExtra("contacts");
 934					for (String item : toAdd) {
 935						invite.jids.add(Jid.fromString(item));
 936					}
 937				} else {
 938					invite.jids.add(Jid.fromString(data.getStringExtra("contact")));
 939				}
 940			} catch (final InvalidJidException ignored) {
 941				return null;
 942			}
 943			return invite;
 944		}
 945
 946		public void execute(XmppActivity activity) {
 947			XmppConnectionService service = activity.xmppConnectionService;
 948			Conversation conversation = service.findConversationByUuid(this.uuid);
 949			if (conversation == null) {
 950				return;
 951			}
 952			if (conversation.getMode() == Conversation.MODE_MULTI) {
 953				for (Jid jid : jids) {
 954					service.invite(conversation, jid);
 955				}
 956			} else {
 957				jids.add(conversation.getJid().toBareJid());
 958				service.createAdhocConference(conversation.getAccount(), jids, activity.adhocCallback);
 959			}
 960		}
 961	}
 962
 963	public AvatarService avatarService() {
 964		return xmppConnectionService.getAvatarService();
 965	}
 966
 967	class BitmapWorkerTask extends AsyncTask<Message, Void, Bitmap> {
 968		private final WeakReference<ImageView> imageViewReference;
 969		private Message message = null;
 970
 971		public BitmapWorkerTask(ImageView imageView) {
 972			imageViewReference = new WeakReference<>(imageView);
 973		}
 974
 975		@Override
 976		protected Bitmap doInBackground(Message... params) {
 977			message = params[0];
 978			try {
 979				return xmppConnectionService.getFileBackend().getThumbnail(
 980						message, (int) (metrics.density * 288), false);
 981			} catch (FileNotFoundException e) {
 982				return null;
 983			}
 984		}
 985
 986		@Override
 987		protected void onPostExecute(Bitmap bitmap) {
 988			if (bitmap != null) {
 989				final ImageView imageView = imageViewReference.get();
 990				if (imageView != null) {
 991					imageView.setImageBitmap(bitmap);
 992					imageView.setBackgroundColor(0x00000000);
 993				}
 994			}
 995		}
 996	}
 997
 998	public void loadBitmap(Message message, ImageView imageView) {
 999		Bitmap bm;
1000		try {
1001			bm = xmppConnectionService.getFileBackend().getThumbnail(message,
1002					(int) (metrics.density * 288), true);
1003		} catch (FileNotFoundException e) {
1004			bm = null;
1005		}
1006		if (bm != null) {
1007			imageView.setImageBitmap(bm);
1008			imageView.setBackgroundColor(0x00000000);
1009		} else {
1010			if (cancelPotentialWork(message, imageView)) {
1011				imageView.setBackgroundColor(0xff333333);
1012				final BitmapWorkerTask task = new BitmapWorkerTask(imageView);
1013				final AsyncDrawable asyncDrawable = new AsyncDrawable(
1014						getResources(), null, task);
1015				imageView.setImageDrawable(asyncDrawable);
1016				try {
1017					task.execute(message);
1018				} catch (final RejectedExecutionException ignored) {
1019				}
1020			}
1021		}
1022	}
1023
1024	public static boolean cancelPotentialWork(Message message,
1025			ImageView imageView) {
1026		final BitmapWorkerTask bitmapWorkerTask = getBitmapWorkerTask(imageView);
1027
1028		if (bitmapWorkerTask != null) {
1029			final Message oldMessage = bitmapWorkerTask.message;
1030			if (oldMessage == null || message != oldMessage) {
1031				bitmapWorkerTask.cancel(true);
1032			} else {
1033				return false;
1034			}
1035		}
1036		return true;
1037	}
1038
1039	private static BitmapWorkerTask getBitmapWorkerTask(ImageView imageView) {
1040		if (imageView != null) {
1041			final Drawable drawable = imageView.getDrawable();
1042			if (drawable instanceof AsyncDrawable) {
1043				final AsyncDrawable asyncDrawable = (AsyncDrawable) drawable;
1044				return asyncDrawable.getBitmapWorkerTask();
1045			}
1046		}
1047		return null;
1048	}
1049
1050	static class AsyncDrawable extends BitmapDrawable {
1051		private final WeakReference<BitmapWorkerTask> bitmapWorkerTaskReference;
1052
1053		public AsyncDrawable(Resources res, Bitmap bitmap,
1054				BitmapWorkerTask bitmapWorkerTask) {
1055			super(res, bitmap);
1056			bitmapWorkerTaskReference = new WeakReference<>(
1057					bitmapWorkerTask);
1058		}
1059
1060		public BitmapWorkerTask getBitmapWorkerTask() {
1061			return bitmapWorkerTaskReference.get();
1062		}
1063	}
1064}