1package eu.siacs.conversations.ui;
   2
   3import android.Manifest;
   4import android.annotation.SuppressLint;
   5import android.app.Dialog;
   6import android.app.PendingIntent;
   7import android.content.ActivityNotFoundException;
   8import android.content.Context;
   9import android.content.Intent;
  10import android.content.SharedPreferences;
  11import android.content.pm.PackageManager;
  12import android.databinding.DataBindingUtil;
  13import android.net.Uri;
  14import android.os.Build;
  15import android.os.Bundle;
  16import android.support.annotation.DrawableRes;
  17import android.support.annotation.NonNull;
  18import android.support.annotation.Nullable;
  19import android.support.v4.app.Fragment;
  20import android.support.v4.app.FragmentManager;
  21import android.support.v4.app.FragmentTransaction;
  22import android.support.v4.app.ListFragment;
  23import android.support.v4.view.PagerAdapter;
  24import android.support.v4.view.ViewPager;
  25import android.support.v7.app.ActionBar;
  26import android.support.v7.app.AlertDialog;
  27import android.support.v7.widget.Toolbar;
  28import android.text.Editable;
  29import android.text.SpannableString;
  30import android.text.Spanned;
  31import android.text.TextWatcher;
  32import android.text.style.TypefaceSpan;
  33import android.util.Log;
  34import android.util.Pair;
  35import android.view.ContextMenu;
  36import android.view.ContextMenu.ContextMenuInfo;
  37import android.view.KeyEvent;
  38import android.view.Menu;
  39import android.view.MenuItem;
  40import android.view.View;
  41import android.view.ViewGroup;
  42import android.view.inputmethod.InputMethodManager;
  43import android.widget.AdapterView;
  44import android.widget.AdapterView.AdapterContextMenuInfo;
  45import android.widget.ArrayAdapter;
  46import android.widget.AutoCompleteTextView;
  47import android.widget.CheckBox;
  48import android.widget.EditText;
  49import android.widget.ListView;
  50import android.widget.Spinner;
  51import android.widget.TextView;
  52import android.widget.Toast;
  53
  54import java.util.ArrayList;
  55import java.util.Arrays;
  56import java.util.Collections;
  57import java.util.List;
  58import java.util.concurrent.atomic.AtomicBoolean;
  59
  60import eu.siacs.conversations.Config;
  61import eu.siacs.conversations.R;
  62import eu.siacs.conversations.databinding.ActivityStartConversationBinding;
  63import eu.siacs.conversations.entities.Account;
  64import eu.siacs.conversations.entities.Bookmark;
  65import eu.siacs.conversations.entities.Contact;
  66import eu.siacs.conversations.entities.Conversation;
  67import eu.siacs.conversations.entities.ListItem;
  68import eu.siacs.conversations.entities.Presence;
  69import eu.siacs.conversations.services.XmppConnectionService;
  70import eu.siacs.conversations.services.XmppConnectionService.OnRosterUpdate;
  71import eu.siacs.conversations.ui.adapter.ListItemAdapter;
  72import eu.siacs.conversations.ui.interfaces.OnBackendConnected;
  73import eu.siacs.conversations.ui.service.EmojiService;
  74import eu.siacs.conversations.ui.util.MenuDoubleTabUtil;
  75import eu.siacs.conversations.ui.util.PendingItem;
  76import eu.siacs.conversations.ui.util.SoftKeyboardUtils;
  77import eu.siacs.conversations.utils.XmppUri;
  78import eu.siacs.conversations.xmpp.OnUpdateBlocklist;
  79import eu.siacs.conversations.xmpp.XmppConnection;
  80import rocks.xmpp.addr.Jid;
  81
  82public class StartConversationActivity extends XmppActivity implements XmppConnectionService.OnConversationUpdate, OnRosterUpdate, OnUpdateBlocklist, CreateConferenceDialog.CreateConferenceDialogListener, JoinConferenceDialog.JoinConferenceDialogListener {
  83
  84	private final int REQUEST_SYNC_CONTACTS = 0x28cf;
  85	private final int REQUEST_CREATE_CONFERENCE = 0x39da;
  86	private final PendingItem<Intent> pendingViewIntent = new PendingItem<>();
  87	private final PendingItem<String> mInitialSearchValue = new PendingItem<>();
  88	private final AtomicBoolean oneShotKeyboardSuppress = new AtomicBoolean();
  89	public int conference_context_id;
  90	public int contact_context_id;
  91	private ListPagerAdapter mListPagerAdapter;
  92	private List<ListItem> contacts = new ArrayList<>();
  93	private ListItemAdapter mContactsAdapter;
  94	private List<ListItem> conferences = new ArrayList<>();
  95	private ListItemAdapter mConferenceAdapter;
  96	private List<String> mActivatedAccounts = new ArrayList<>();
  97	private EditText mSearchEditText;
  98	private AtomicBoolean mRequestedContactsPermission = new AtomicBoolean(false);
  99	private boolean mHideOfflineContacts = false;
 100	private MenuItem.OnActionExpandListener mOnActionExpandListener = new MenuItem.OnActionExpandListener() {
 101
 102		@Override
 103		public boolean onMenuItemActionExpand(MenuItem item) {
 104			mSearchEditText.post(() -> {
 105				updateSearchViewHint();
 106				mSearchEditText.requestFocus();
 107				if (oneShotKeyboardSuppress.compareAndSet(true, false)) {
 108					return;
 109				}
 110				InputMethodManager imm = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
 111				if (imm != null) {
 112					imm.showSoftInput(mSearchEditText, InputMethodManager.SHOW_IMPLICIT);
 113				}
 114			});
 115
 116			return true;
 117		}
 118
 119		@Override
 120		public boolean onMenuItemActionCollapse(MenuItem item) {
 121			SoftKeyboardUtils.hideSoftKeyboard(StartConversationActivity.this);
 122			mSearchEditText.setText("");
 123			filter(null);
 124			return true;
 125		}
 126	};
 127	private TextWatcher mSearchTextWatcher = new TextWatcher() {
 128
 129		@Override
 130		public void afterTextChanged(Editable editable) {
 131			filter(editable.toString());
 132		}
 133
 134		@Override
 135		public void beforeTextChanged(CharSequence s, int start, int count, int after) {
 136		}
 137
 138		@Override
 139		public void onTextChanged(CharSequence s, int start, int before, int count) {
 140		}
 141	};
 142	private MenuItem mMenuSearchView;
 143	private ListItemAdapter.OnTagClickedListener mOnTagClickedListener = new ListItemAdapter.OnTagClickedListener() {
 144		@Override
 145		public void onTagClicked(String tag) {
 146			if (mMenuSearchView != null) {
 147				mMenuSearchView.expandActionView();
 148				mSearchEditText.setText("");
 149				mSearchEditText.append(tag);
 150				filter(tag);
 151			}
 152		}
 153	};
 154	private Pair<Integer, Intent> mPostponedActivityResult;
 155	private Toast mToast;
 156	private UiCallback<Conversation> mAdhocConferenceCallback = new UiCallback<Conversation>() {
 157		@Override
 158		public void success(final Conversation conversation) {
 159			runOnUiThread(() -> {
 160				hideToast();
 161				switchToConversation(conversation);
 162			});
 163		}
 164
 165		@Override
 166		public void error(final int errorCode, Conversation object) {
 167			runOnUiThread(() -> replaceToast(getString(errorCode)));
 168		}
 169
 170		@Override
 171		public void userInputRequried(PendingIntent pi, Conversation object) {
 172
 173		}
 174	};
 175	private ActivityStartConversationBinding binding;
 176	private TextView.OnEditorActionListener mSearchDone = new TextView.OnEditorActionListener() {
 177		@Override
 178		public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
 179			int pos = binding.startConversationViewPager.getCurrentItem();
 180			if (pos == 0) {
 181				if (contacts.size() == 1) {
 182					openConversationForContact((Contact) contacts.get(0));
 183					return true;
 184				} else if (contacts.size() == 0 && conferences.size() == 1) {
 185					openConversationsForBookmark((Bookmark) conferences.get(0));
 186					return true;
 187				}
 188			} else {
 189				if (conferences.size() == 1) {
 190					openConversationsForBookmark((Bookmark) conferences.get(0));
 191					return true;
 192				} else if (conferences.size() == 0 && contacts.size() == 1) {
 193					openConversationForContact((Contact) contacts.get(0));
 194					return true;
 195				}
 196			}
 197			SoftKeyboardUtils.hideSoftKeyboard(StartConversationActivity.this);
 198			mListPagerAdapter.requestFocus(pos);
 199			return true;
 200		}
 201	};
 202	private ViewPager.SimpleOnPageChangeListener mOnPageChangeListener = new ViewPager.SimpleOnPageChangeListener() {
 203		@Override
 204		public void onPageSelected(int position) {
 205			onTabChanged();
 206		}
 207	};
 208
 209	public static void populateAccountSpinner(Context context, List<String> accounts, Spinner spinner) {
 210		if (accounts.size() > 0) {
 211			ArrayAdapter<String> adapter = new ArrayAdapter<>(context, R.layout.simple_list_item, accounts);
 212			adapter.setDropDownViewResource(R.layout.simple_list_item);
 213			spinner.setAdapter(adapter);
 214			spinner.setEnabled(true);
 215		} else {
 216			ArrayAdapter<String> adapter = new ArrayAdapter<>(context,
 217					R.layout.simple_list_item,
 218					Arrays.asList(context.getString(R.string.no_accounts)));
 219			adapter.setDropDownViewResource(R.layout.simple_list_item);
 220			spinner.setAdapter(adapter);
 221			spinner.setEnabled(false);
 222		}
 223	}
 224
 225	public static void launch(Context context) {
 226		final Intent intent = new Intent(context, StartConversationActivity.class);
 227		context.startActivity(intent);
 228	}
 229
 230	private static Intent createLauncherIntent(Context context) {
 231		final Intent intent = new Intent(context, StartConversationActivity.class);
 232		intent.setAction(Intent.ACTION_MAIN);
 233		intent.addCategory(Intent.CATEGORY_LAUNCHER);
 234		return intent;
 235	}
 236
 237	private static boolean isViewIntent(final Intent i) {
 238		return i != null && (Intent.ACTION_VIEW.equals(i.getAction()) || Intent.ACTION_SENDTO.equals(i.getAction()) || i.hasExtra(WelcomeActivity.EXTRA_INVITE_URI));
 239	}
 240
 241	protected void hideToast() {
 242		if (mToast != null) {
 243			mToast.cancel();
 244		}
 245	}
 246
 247	protected void replaceToast(String msg) {
 248		hideToast();
 249		mToast = Toast.makeText(this, msg, Toast.LENGTH_LONG);
 250		mToast.show();
 251	}
 252
 253	@Override
 254	public void onRosterUpdate() {
 255		this.refreshUi();
 256	}
 257
 258	@Override
 259	public void onCreate(Bundle savedInstanceState) {
 260		super.onCreate(savedInstanceState);
 261		new EmojiService(this).init();
 262		this.binding = DataBindingUtil.setContentView(this, R.layout.activity_start_conversation);
 263		Toolbar toolbar = (Toolbar) binding.toolbar;
 264		setSupportActionBar(toolbar);
 265		configureActionBar(getSupportActionBar());
 266		this.binding.fab.setOnClickListener((v) -> {
 267			if (binding.startConversationViewPager.getCurrentItem() == 0) {
 268				String searchString = mSearchEditText != null ? mSearchEditText.getText().toString() : null;
 269				if (searchString != null && !searchString.trim().isEmpty()) {
 270					try {
 271						Jid jid = Jid.of(searchString);
 272						if (jid.getLocal() != null && jid.isBareJid() && jid.getDomain().contains(".")) {
 273							showCreateContactDialog(jid.toString(), null);
 274							return;
 275						}
 276					} catch (IllegalArgumentException ignored) {
 277						//ignore and fall through
 278					}
 279				}
 280				showCreateContactDialog(null, null);
 281			} else {
 282				showCreateConferenceDialog();
 283			}
 284		});
 285		binding.tabLayout.setupWithViewPager(binding.startConversationViewPager);
 286		binding.startConversationViewPager.addOnPageChangeListener(mOnPageChangeListener);
 287		mListPagerAdapter = new ListPagerAdapter(getSupportFragmentManager());
 288		binding.startConversationViewPager.setAdapter(mListPagerAdapter);
 289
 290		mConferenceAdapter = new ListItemAdapter(this, conferences);
 291		mContactsAdapter = new ListItemAdapter(this, contacts);
 292		mContactsAdapter.setOnTagClickedListener(this.mOnTagClickedListener);
 293
 294		final SharedPreferences preferences = getPreferences();
 295
 296		this.mHideOfflineContacts = preferences.getBoolean("hide_offline", false);
 297
 298		final boolean startSearching = preferences.getBoolean("start_searching",getResources().getBoolean(R.bool.start_searching));
 299
 300		final Intent intent;
 301		if (savedInstanceState == null) {
 302			intent = getIntent();
 303		} else {
 304			final String search = savedInstanceState.getString("search");
 305			if (search != null) {
 306				mInitialSearchValue.push(search);
 307			}
 308			intent = savedInstanceState.getParcelable("intent");
 309		}
 310
 311		if (isViewIntent(intent)) {
 312			pendingViewIntent.push(intent);
 313			setIntent(createLauncherIntent(this));
 314		} else if (startSearching && mInitialSearchValue.peek() == null) {
 315			mInitialSearchValue.push("");
 316		}
 317	}
 318
 319	@Override
 320	public void onSaveInstanceState(Bundle savedInstanceState) {
 321		Intent pendingIntent = pendingViewIntent.peek();
 322		savedInstanceState.putParcelable("intent", pendingIntent != null ? pendingIntent : getIntent());
 323		if (mMenuSearchView != null && mMenuSearchView.isActionViewExpanded()) {
 324			savedInstanceState.putString("search", mSearchEditText != null ? mSearchEditText.getText().toString() : null);
 325		}
 326		super.onSaveInstanceState(savedInstanceState);
 327	}
 328
 329	@Override
 330	public void onStart() {
 331		super.onStart();
 332		final int theme = findTheme();
 333		if (this.mTheme != theme) {
 334			recreate();
 335		} else {
 336			if (pendingViewIntent.peek() == null) {
 337				askForContactsPermissions();
 338			}
 339		}
 340		mConferenceAdapter.refreshSettings();
 341		mContactsAdapter.refreshSettings();
 342	}
 343
 344	@Override
 345	public void onNewIntent(final Intent intent) {
 346		if (xmppConnectionServiceBound) {
 347			processViewIntent(intent);
 348		} else {
 349			pendingViewIntent.push(intent);
 350		}
 351		setIntent(createLauncherIntent(this));
 352	}
 353
 354	protected void openConversationForContact(int position) {
 355		Contact contact = (Contact) contacts.get(position);
 356		openConversationForContact(contact);
 357	}
 358
 359	protected void openConversationForContact(Contact contact) {
 360		Conversation conversation = xmppConnectionService.findOrCreateConversation(contact.getAccount(), contact.getJid(), false, true);
 361		SoftKeyboardUtils.hideSoftKeyboard(this);
 362		switchToConversation(conversation);
 363	}
 364
 365	protected void openConversationForBookmark() {
 366		openConversationForBookmark(conference_context_id);
 367	}
 368
 369	protected void openConversationForBookmark(int position) {
 370		Bookmark bookmark = (Bookmark) conferences.get(position);
 371		openConversationsForBookmark(bookmark);
 372	}
 373
 374	protected void shareBookmarkUri() {
 375		shareBookmarkUri(conference_context_id);
 376	}
 377
 378	protected void shareBookmarkUri(int position) {
 379		Bookmark bookmark = (Bookmark) conferences.get(position);
 380		Intent shareIntent = new Intent();
 381		shareIntent.setAction(Intent.ACTION_SEND);
 382		shareIntent.putExtra(Intent.EXTRA_TEXT, "xmpp:" + bookmark.getJid().asBareJid().toEscapedString() + "?join");
 383		shareIntent.setType("text/plain");
 384		try {
 385			startActivity(Intent.createChooser(shareIntent, getText(R.string.share_uri_with)));
 386		} catch (ActivityNotFoundException e) {
 387			Toast.makeText(this, R.string.no_application_to_share_uri, Toast.LENGTH_SHORT).show();
 388		}
 389	}
 390
 391	protected void openConversationsForBookmark(Bookmark bookmark) {
 392		Jid jid = bookmark.getJid();
 393		if (jid == null) {
 394			Toast.makeText(this, R.string.invalid_jid, Toast.LENGTH_SHORT).show();
 395			return;
 396		}
 397		Conversation conversation = xmppConnectionService.findOrCreateConversation(bookmark.getAccount(), jid, true, true, true);
 398		bookmark.setConversation(conversation);
 399		if (!bookmark.autojoin() && getPreferences().getBoolean("autojoin", getResources().getBoolean(R.bool.autojoin))) {
 400			bookmark.setAutojoin(true);
 401			xmppConnectionService.pushBookmarks(bookmark.getAccount());
 402		}
 403		SoftKeyboardUtils.hideSoftKeyboard(this);
 404		switchToConversation(conversation);
 405	}
 406
 407	protected void openDetailsForContact() {
 408		int position = contact_context_id;
 409		Contact contact = (Contact) contacts.get(position);
 410		switchToContactDetails(contact);
 411	}
 412
 413	protected void showQrForContact() {
 414		int position = contact_context_id;
 415		Contact contact = (Contact) contacts.get(position);
 416		showQrCode("xmpp:"+contact.getJid().asBareJid().toEscapedString());
 417	}
 418
 419	protected void toggleContactBlock() {
 420		final int position = contact_context_id;
 421		BlockContactDialog.show(this, (Contact) contacts.get(position));
 422	}
 423
 424	protected void deleteContact() {
 425		final int position = contact_context_id;
 426		final Contact contact = (Contact) contacts.get(position);
 427		final AlertDialog.Builder builder = new AlertDialog.Builder(this);
 428		builder.setNegativeButton(R.string.cancel, null);
 429		builder.setTitle(R.string.action_delete_contact);
 430		builder.setMessage(getString(R.string.remove_contact_text, contact.getJid()));
 431		builder.setPositiveButton(R.string.delete, (dialog, which) -> {
 432			xmppConnectionService.deleteContactOnServer(contact);
 433			filter(mSearchEditText.getText().toString());
 434		});
 435		builder.create().show();
 436	}
 437
 438	protected void deleteConference() {
 439		int position = conference_context_id;
 440		final Bookmark bookmark = (Bookmark) conferences.get(position);
 441
 442		AlertDialog.Builder builder = new AlertDialog.Builder(this);
 443		builder.setNegativeButton(R.string.cancel, null);
 444		builder.setTitle(R.string.delete_bookmark);
 445		builder.setMessage(getString(R.string.remove_bookmark_text,
 446				bookmark.getJid()));
 447		builder.setPositiveButton(R.string.delete, (dialog, which) -> {
 448			bookmark.setConversation(null);
 449			Account account = bookmark.getAccount();
 450			account.getBookmarks().remove(bookmark);
 451			xmppConnectionService.pushBookmarks(account);
 452			filter(mSearchEditText.getText().toString());
 453		});
 454		builder.create().show();
 455
 456	}
 457
 458	@SuppressLint("InflateParams")
 459	protected void showCreateContactDialog(final String prefilledJid, final Invite invite) {
 460		FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
 461		Fragment prev = getSupportFragmentManager().findFragmentByTag(FRAGMENT_TAG_DIALOG);
 462		if (prev != null) {
 463			ft.remove(prev);
 464		}
 465		ft.addToBackStack(null);
 466		EnterJidDialog dialog = EnterJidDialog.newInstance(
 467				mActivatedAccounts,
 468				getString(R.string.dialog_title_create_contact),
 469				getString(R.string.create),
 470				prefilledJid,
 471				null,
 472				invite == null || !invite.hasFingerprints()
 473		);
 474
 475		dialog.setOnEnterJidDialogPositiveListener((accountJid, contactJid) -> {
 476			if (!xmppConnectionServiceBound) {
 477				return false;
 478			}
 479
 480			final Account account = xmppConnectionService.findAccountByJid(accountJid);
 481			if (account == null) {
 482				return true;
 483			}
 484
 485			final Contact contact = account.getRoster().getContact(contactJid);
 486			if (invite != null && invite.getName() != null) {
 487				contact.setServerName(invite.getName());
 488			}
 489			if (contact.isSelf()) {
 490				switchToConversation(contact, null);
 491				return true;
 492			} else if (contact.showInRoster()) {
 493				throw new EnterJidDialog.JidError(getString(R.string.contact_already_exists));
 494			} else {
 495				xmppConnectionService.createContact(contact, true);
 496				if (invite != null && invite.hasFingerprints()) {
 497					xmppConnectionService.verifyFingerprints(contact, invite.getFingerprints());
 498				}
 499				switchToConversation(contact, invite == null ? null : invite.getBody());
 500				return true;
 501			}
 502		});
 503		dialog.show(ft, FRAGMENT_TAG_DIALOG);
 504	}
 505
 506	@SuppressLint("InflateParams")
 507	protected void showJoinConferenceDialog(final String prefilledJid) {
 508		FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
 509		Fragment prev = getSupportFragmentManager().findFragmentByTag(FRAGMENT_TAG_DIALOG);
 510		if (prev != null) {
 511			ft.remove(prev);
 512		}
 513		ft.addToBackStack(null);
 514		JoinConferenceDialog joinConferenceFragment = JoinConferenceDialog.newInstance(prefilledJid, mActivatedAccounts);
 515		joinConferenceFragment.show(ft, FRAGMENT_TAG_DIALOG);
 516	}
 517
 518	private void showCreateConferenceDialog() {
 519		FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
 520		Fragment prev = getSupportFragmentManager().findFragmentByTag(FRAGMENT_TAG_DIALOG);
 521		if (prev != null) {
 522			ft.remove(prev);
 523		}
 524		ft.addToBackStack(null);
 525		CreateConferenceDialog createConferenceFragment = CreateConferenceDialog.newInstance(mActivatedAccounts);
 526		createConferenceFragment.show(ft, FRAGMENT_TAG_DIALOG);
 527	}
 528
 529	private Account getSelectedAccount(Spinner spinner) {
 530		if (!spinner.isEnabled()) {
 531			return null;
 532		}
 533		Jid jid;
 534		try {
 535			if (Config.DOMAIN_LOCK != null) {
 536				jid = Jid.of((String) spinner.getSelectedItem(), Config.DOMAIN_LOCK, null);
 537			} else {
 538				jid = Jid.of((String) spinner.getSelectedItem());
 539			}
 540		} catch (final IllegalArgumentException e) {
 541			return null;
 542		}
 543		return xmppConnectionService.findAccountByJid(jid);
 544	}
 545
 546	protected void switchToConversation(Contact contact, String body) {
 547		Conversation conversation = xmppConnectionService
 548				.findOrCreateConversation(contact.getAccount(),
 549						contact.getJid(), false, true);
 550		switchToConversation(conversation, body, false);
 551	}
 552
 553	@Override
 554	public void invalidateOptionsMenu() {
 555		boolean isExpanded = mMenuSearchView != null && mMenuSearchView.isActionViewExpanded();
 556		String text = mSearchEditText != null ? mSearchEditText.getText().toString() : "";
 557		if (isExpanded) {
 558			mInitialSearchValue.push(text);
 559			oneShotKeyboardSuppress.set(true);
 560		}
 561		super.invalidateOptionsMenu();
 562	}
 563
 564	private void updateSearchViewHint() {
 565		if (binding == null || mSearchEditText == null) {
 566			return;
 567		}
 568		if (binding.startConversationViewPager.getCurrentItem() == 0) {
 569			mSearchEditText.setHint(R.string.search_contacts);
 570		} else {
 571			mSearchEditText.setHint(R.string.search_groups);
 572		}
 573	}
 574
 575	@Override
 576	public boolean onCreateOptionsMenu(Menu menu) {
 577		getMenuInflater().inflate(R.menu.start_conversation, menu);
 578		MenuItem menuHideOffline = menu.findItem(R.id.action_hide_offline);
 579		MenuItem joinGroupChat = menu.findItem(R.id.action_join_conference);
 580		MenuItem qrCodeScanMenuItem = menu.findItem(R.id.action_scan_qr_code);
 581		joinGroupChat.setVisible(binding.startConversationViewPager.getCurrentItem() == 1);
 582		qrCodeScanMenuItem.setVisible(isCameraFeatureAvailable());
 583		menuHideOffline.setChecked(this.mHideOfflineContacts);
 584		mMenuSearchView = menu.findItem(R.id.action_search);
 585		mMenuSearchView.setOnActionExpandListener(mOnActionExpandListener);
 586		View mSearchView = mMenuSearchView.getActionView();
 587		mSearchEditText = mSearchView.findViewById(R.id.search_field);
 588		mSearchEditText.addTextChangedListener(mSearchTextWatcher);
 589		mSearchEditText.setOnEditorActionListener(mSearchDone);
 590		String initialSearchValue = mInitialSearchValue.pop();
 591		if (initialSearchValue != null) {
 592			mMenuSearchView.expandActionView();
 593			mSearchEditText.append(initialSearchValue);
 594			filter(initialSearchValue);
 595		}
 596		updateSearchViewHint();
 597		return super.onCreateOptionsMenu(menu);
 598	}
 599
 600	@Override
 601	public boolean onOptionsItemSelected(MenuItem item) {
 602		if (MenuDoubleTabUtil.shouldIgnoreTap()) {
 603			return false;
 604		}
 605		switch (item.getItemId()) {
 606			case android.R.id.home:
 607				navigateBack();
 608				return true;
 609			case R.id.action_join_conference:
 610				showJoinConferenceDialog(null);
 611				return true;
 612			case R.id.action_scan_qr_code:
 613				UriHandlerActivity.scan(this);
 614				return true;
 615			case R.id.action_hide_offline:
 616				mHideOfflineContacts = !item.isChecked();
 617				getPreferences().edit().putBoolean("hide_offline", mHideOfflineContacts).commit();
 618				if (mSearchEditText != null) {
 619					filter(mSearchEditText.getText().toString());
 620				}
 621				invalidateOptionsMenu();
 622		}
 623		return super.onOptionsItemSelected(item);
 624	}
 625
 626	@Override
 627	public boolean onKeyUp(int keyCode, KeyEvent event) {
 628		if (keyCode == KeyEvent.KEYCODE_SEARCH && !event.isLongPress()) {
 629			openSearch();
 630			return true;
 631		}
 632		int c = event.getUnicodeChar();
 633		if (c > 32) {
 634			if (mSearchEditText != null && !mSearchEditText.isFocused()) {
 635				openSearch();
 636				mSearchEditText.append(Character.toString((char) c));
 637				return true;
 638			}
 639		}
 640		return super.onKeyUp(keyCode, event);
 641	}
 642
 643	private void openSearch() {
 644		if (mMenuSearchView != null) {
 645			mMenuSearchView.expandActionView();
 646		}
 647	}
 648
 649	@Override
 650	public void onActivityResult(int requestCode, int resultCode, Intent intent) {
 651		if (resultCode == RESULT_OK) {
 652			if (xmppConnectionServiceBound) {
 653				this.mPostponedActivityResult = null;
 654				if (requestCode == REQUEST_CREATE_CONFERENCE) {
 655					Account account = extractAccount(intent);
 656					final String subject = intent.getStringExtra("subject");
 657					List<Jid> jids = new ArrayList<>();
 658					if (intent.getBooleanExtra("multiple", false)) {
 659						String[] toAdd = intent.getStringArrayExtra("contacts");
 660						for (String item : toAdd) {
 661							try {
 662								jids.add(Jid.of(item));
 663							} catch (IllegalArgumentException e) {
 664								//ignored
 665							}
 666						}
 667					} else {
 668						try {
 669							jids.add(Jid.of(intent.getStringExtra("contact")));
 670						} catch (Exception e) {
 671							//ignored
 672						}
 673					}
 674					if (account != null && jids.size() > 0) {
 675						if (xmppConnectionService.createAdhocConference(account, subject, jids, mAdhocConferenceCallback)) {
 676							mToast = Toast.makeText(this, R.string.creating_conference, Toast.LENGTH_LONG);
 677							mToast.show();
 678						}
 679					}
 680				}
 681			} else {
 682				this.mPostponedActivityResult = new Pair<>(requestCode, intent);
 683			}
 684		}
 685		super.onActivityResult(requestCode, requestCode, intent);
 686	}
 687
 688	private void askForContactsPermissions() {
 689		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 690			if (checkSelfPermission(Manifest.permission.READ_CONTACTS) != PackageManager.PERMISSION_GRANTED) {
 691				if (mRequestedContactsPermission.compareAndSet(false, true)) {
 692					if (shouldShowRequestPermissionRationale(Manifest.permission.READ_CONTACTS)) {
 693						AlertDialog.Builder builder = new AlertDialog.Builder(this);
 694						builder.setTitle(R.string.sync_with_contacts);
 695						builder.setMessage(R.string.sync_with_contacts_long);
 696						builder.setPositiveButton(R.string.next, (dialog, which) -> {
 697							if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 698								requestPermissions(new String[]{Manifest.permission.READ_CONTACTS}, REQUEST_SYNC_CONTACTS);
 699							}
 700						});
 701						builder.setOnDismissListener(dialog -> {
 702							if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 703								requestPermissions(new String[]{Manifest.permission.READ_CONTACTS}, REQUEST_SYNC_CONTACTS);
 704							}
 705						});
 706						builder.create().show();
 707					} else {
 708						requestPermissions(new String[]{Manifest.permission.READ_CONTACTS}, 0);
 709					}
 710				}
 711			}
 712		}
 713	}
 714
 715	@Override
 716	public void onRequestPermissionsResult(int requestCode, @NonNull String permissions[], @NonNull int[] grantResults) {
 717		if (grantResults.length > 0)
 718			if (grantResults[0] == PackageManager.PERMISSION_GRANTED) {
 719				ScanActivity.onRequestPermissionResult(this, requestCode, grantResults);
 720				if (requestCode == REQUEST_SYNC_CONTACTS && xmppConnectionServiceBound) {
 721					xmppConnectionService.loadPhoneContacts();
 722				}
 723			}
 724	}
 725
 726	private void configureHomeButton() {
 727		final ActionBar actionBar = getSupportActionBar();
 728		if (actionBar == null) {
 729			return;
 730		}
 731		boolean openConversations = !xmppConnectionService.isConversationsListEmpty(null);
 732		actionBar.setDisplayHomeAsUpEnabled(openConversations);
 733		actionBar.setDisplayHomeAsUpEnabled(openConversations);
 734
 735	}
 736
 737	@Override
 738	protected void onBackendConnected() {
 739		if (mPostponedActivityResult != null) {
 740			onActivityResult(mPostponedActivityResult.first, RESULT_OK, mPostponedActivityResult.second);
 741			this.mPostponedActivityResult = null;
 742		}
 743		this.mActivatedAccounts.clear();
 744		for (Account account : xmppConnectionService.getAccounts()) {
 745			if (account.getStatus() != Account.State.DISABLED) {
 746				if (Config.DOMAIN_LOCK != null) {
 747					this.mActivatedAccounts.add(account.getJid().getLocal());
 748				} else {
 749					this.mActivatedAccounts.add(account.getJid().asBareJid().toString());
 750				}
 751			}
 752		}
 753		configureHomeButton();
 754		Intent intent = pendingViewIntent.pop();
 755		if (intent != null && processViewIntent(intent)) {
 756			filter(null);
 757		} else {
 758			if (mSearchEditText != null) {
 759				filter(mSearchEditText.getText().toString());
 760			} else {
 761				filter(null);
 762			}
 763		}
 764		Fragment fragment = getSupportFragmentManager().findFragmentByTag(FRAGMENT_TAG_DIALOG);
 765		if (fragment != null && fragment instanceof OnBackendConnected) {
 766			Log.d(Config.LOGTAG, "calling on backend connected on dialog");
 767			((OnBackendConnected) fragment).onBackendConnected();
 768		}
 769	}
 770
 771	protected boolean processViewIntent(@NonNull Intent intent) {
 772		final String inviteUri = intent.getStringExtra(WelcomeActivity.EXTRA_INVITE_URI);
 773		if (inviteUri != null) {
 774			Invite invite = new Invite(inviteUri);
 775			if (invite.isJidValid()) {
 776				return invite.invite();
 777			}
 778		}
 779		final String action = intent.getAction();
 780		if (action == null) {
 781			return false;
 782		}
 783		switch (action) {
 784			case Intent.ACTION_SENDTO:
 785			case Intent.ACTION_VIEW:
 786				Uri uri = intent.getData();
 787				if (uri != null) {
 788					Invite invite = new Invite(intent.getData(), intent.getBooleanExtra("scanned", false));
 789					invite.account = intent.getStringExtra("account");
 790					return invite.invite();
 791				} else {
 792					return false;
 793				}
 794		}
 795		return false;
 796	}
 797
 798	private boolean handleJid(Invite invite) {
 799		List<Contact> contacts = xmppConnectionService.findContacts(invite.getJid(), invite.account);
 800		if (invite.isAction(XmppUri.ACTION_JOIN)) {
 801			Conversation muc = xmppConnectionService.findFirstMuc(invite.getJid());
 802			if (muc != null) {
 803				switchToConversation(muc, invite.getBody(), false);
 804				return true;
 805			} else {
 806				showJoinConferenceDialog(invite.getJid().asBareJid().toString());
 807				return false;
 808			}
 809		} else if (contacts.size() == 0) {
 810			showCreateContactDialog(invite.getJid().toString(), invite);
 811			return false;
 812		} else if (contacts.size() == 1) {
 813			Contact contact = contacts.get(0);
 814			if (!invite.isSafeSource() && invite.hasFingerprints()) {
 815				displayVerificationWarningDialog(contact, invite);
 816			} else {
 817				if (invite.hasFingerprints()) {
 818					if (xmppConnectionService.verifyFingerprints(contact, invite.getFingerprints())) {
 819						Toast.makeText(this, R.string.verified_fingerprints, Toast.LENGTH_SHORT).show();
 820					}
 821				}
 822				if (invite.account != null) {
 823					xmppConnectionService.getShortcutService().report(contact);
 824				}
 825				switchToConversation(contact, invite.getBody());
 826			}
 827			return true;
 828		} else {
 829			if (mMenuSearchView != null) {
 830				mMenuSearchView.expandActionView();
 831				mSearchEditText.setText("");
 832				mSearchEditText.append(invite.getJid().toString());
 833				filter(invite.getJid().toString());
 834			} else {
 835				mInitialSearchValue.push(invite.getJid().toString());
 836			}
 837			return true;
 838		}
 839	}
 840
 841	private void displayVerificationWarningDialog(final Contact contact, final Invite invite) {
 842		AlertDialog.Builder builder = new AlertDialog.Builder(this);
 843		builder.setTitle(R.string.verify_omemo_keys);
 844		View view = getLayoutInflater().inflate(R.layout.dialog_verify_fingerprints, null);
 845		final CheckBox isTrustedSource = view.findViewById(R.id.trusted_source);
 846		TextView warning = view.findViewById(R.id.warning);
 847		String jid = contact.getJid().asBareJid().toString();
 848		SpannableString spannable = new SpannableString(getString(R.string.verifying_omemo_keys_trusted_source, jid, contact.getDisplayName()));
 849		int start = spannable.toString().indexOf(jid);
 850		if (start >= 0) {
 851			spannable.setSpan(new TypefaceSpan("monospace"), start, start + jid.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
 852		}
 853		warning.setText(spannable);
 854		builder.setView(view);
 855		builder.setPositiveButton(R.string.confirm, (dialog, which) -> {
 856			if (isTrustedSource.isChecked() && invite.hasFingerprints()) {
 857				xmppConnectionService.verifyFingerprints(contact, invite.getFingerprints());
 858			}
 859			switchToConversation(contact, invite.getBody());
 860		});
 861		builder.setNegativeButton(R.string.cancel, (dialog, which) -> StartConversationActivity.this.finish());
 862		AlertDialog dialog = builder.create();
 863		dialog.setCanceledOnTouchOutside(false);
 864		dialog.setOnCancelListener(dialog1 -> StartConversationActivity.this.finish());
 865		dialog.show();
 866	}
 867
 868	protected void filter(String needle) {
 869		if (xmppConnectionServiceBound) {
 870			this.filterContacts(needle);
 871			this.filterConferences(needle);
 872		}
 873	}
 874
 875	protected void filterContacts(String needle) {
 876		this.contacts.clear();
 877		for (Account account : xmppConnectionService.getAccounts()) {
 878			if (account.getStatus() != Account.State.DISABLED) {
 879				for (Contact contact : account.getRoster().getContacts()) {
 880					Presence.Status s = contact.getShownStatus();
 881					if (contact.showInRoster() && contact.match(this, needle)
 882							&& (!this.mHideOfflineContacts
 883							|| (needle != null && !needle.trim().isEmpty())
 884							|| s.compareTo(Presence.Status.OFFLINE) < 0)) {
 885						this.contacts.add(contact);
 886					}
 887				}
 888			}
 889		}
 890		Collections.sort(this.contacts);
 891		mContactsAdapter.notifyDataSetChanged();
 892	}
 893
 894	protected void filterConferences(String needle) {
 895		this.conferences.clear();
 896		for (Account account : xmppConnectionService.getAccounts()) {
 897			if (account.getStatus() != Account.State.DISABLED) {
 898				for (Bookmark bookmark : account.getBookmarks()) {
 899					if (bookmark.match(this, needle)) {
 900						this.conferences.add(bookmark);
 901					}
 902				}
 903			}
 904		}
 905		Collections.sort(this.conferences);
 906		mConferenceAdapter.notifyDataSetChanged();
 907	}
 908
 909	private void onTabChanged() {
 910		@DrawableRes final int fabDrawable;
 911		if (binding.startConversationViewPager.getCurrentItem() == 0) {
 912			fabDrawable = R.drawable.ic_person_add_white_24dp;
 913		} else {
 914			fabDrawable = R.drawable.ic_group_add_white_24dp;
 915		}
 916		binding.fab.setImageResource(fabDrawable);
 917		invalidateOptionsMenu();
 918	}
 919
 920	@Override
 921	public void OnUpdateBlocklist(final Status status) {
 922		refreshUi();
 923	}
 924
 925	@Override
 926	protected void refreshUiReal() {
 927		if (mSearchEditText != null) {
 928			filter(mSearchEditText.getText().toString());
 929		}
 930		configureHomeButton();
 931	}
 932
 933	@Override
 934	public void onBackPressed() {
 935		navigateBack();
 936	}
 937
 938	private void navigateBack() {
 939		if (xmppConnectionService != null && !xmppConnectionService.isConversationsListEmpty(null)) {
 940			Intent intent = new Intent(this, ConversationsActivity.class);
 941			intent.addFlags(Intent.FLAG_ACTIVITY_NO_ANIMATION);
 942			startActivity(intent);
 943		}
 944		finish();
 945	}
 946
 947	@Override
 948	public void onCreateDialogPositiveClick(Spinner spinner, String subject) {
 949		if (!xmppConnectionServiceBound) {
 950			return;
 951		}
 952		final Account account = getSelectedAccount(spinner);
 953		if (account == null) {
 954			return;
 955		}
 956		Intent intent = new Intent(getApplicationContext(), ChooseContactActivity.class);
 957		intent.putExtra("multiple", true);
 958		intent.putExtra("show_enter_jid", true);
 959		intent.putExtra("subject", subject);
 960		intent.putExtra(EXTRA_ACCOUNT, account.getJid().asBareJid().toString());
 961		intent.putExtra(ChooseContactActivity.EXTRA_TITLE_RES_ID, R.string.choose_participants);
 962		startActivityForResult(intent, REQUEST_CREATE_CONFERENCE);
 963	}
 964
 965	@Override
 966	public void onJoinDialogPositiveClick(Dialog dialog, Spinner spinner, AutoCompleteTextView jid, boolean isBookmarkChecked) {
 967		if (!xmppConnectionServiceBound) {
 968			return;
 969		}
 970		final Account account = getSelectedAccount(spinner);
 971		if (account == null) {
 972			return;
 973		}
 974		final Jid conferenceJid;
 975		try {
 976			conferenceJid = Jid.of(jid.getText().toString());
 977		} catch (final IllegalArgumentException e) {
 978			jid.setError(getString(R.string.invalid_jid));
 979			return;
 980		}
 981
 982		if (isBookmarkChecked) {
 983			if (account.hasBookmarkFor(conferenceJid)) {
 984				jid.setError(getString(R.string.bookmark_already_exists));
 985			} else {
 986				final Bookmark bookmark = new Bookmark(account, conferenceJid.asBareJid());
 987				bookmark.setAutojoin(getPreferences().getBoolean("autojoin", getResources().getBoolean(R.bool.autojoin)));
 988				String nick = conferenceJid.getResource();
 989				if (nick != null && !nick.isEmpty()) {
 990					bookmark.setNick(nick);
 991				}
 992				account.getBookmarks().add(bookmark);
 993				xmppConnectionService.pushBookmarks(account);
 994				final Conversation conversation = xmppConnectionService
 995						.findOrCreateConversation(account, conferenceJid, true, true, true);
 996				bookmark.setConversation(conversation);
 997				dialog.dismiss();
 998				switchToConversation(conversation);
 999			}
1000		} else {
1001			final Conversation conversation = xmppConnectionService
1002					.findOrCreateConversation(account, conferenceJid, true, true, true);
1003			dialog.dismiss();
1004			switchToConversation(conversation);
1005		}
1006	}
1007
1008	@Override
1009	public void onConversationUpdate() {
1010		refreshUi();
1011	}
1012
1013	public static class MyListFragment extends ListFragment {
1014		private AdapterView.OnItemClickListener mOnItemClickListener;
1015		private int mResContextMenu;
1016
1017		public void setContextMenu(final int res) {
1018			this.mResContextMenu = res;
1019		}
1020
1021		@Override
1022		public void onListItemClick(final ListView l, final View v, final int position, final long id) {
1023			if (mOnItemClickListener != null) {
1024				mOnItemClickListener.onItemClick(l, v, position, id);
1025			}
1026		}
1027
1028		public void setOnListItemClickListener(AdapterView.OnItemClickListener l) {
1029			this.mOnItemClickListener = l;
1030		}
1031
1032		@Override
1033		public void onViewCreated(@NonNull final View view, final Bundle savedInstanceState) {
1034			super.onViewCreated(view, savedInstanceState);
1035			registerForContextMenu(getListView());
1036			getListView().setFastScrollEnabled(true);
1037			getListView().setDivider(null);
1038			getListView().setDividerHeight(0);
1039		}
1040
1041		@Override
1042		public void onCreateContextMenu(final ContextMenu menu, final View v,
1043		                                final ContextMenuInfo menuInfo) {
1044			super.onCreateContextMenu(menu, v, menuInfo);
1045			final StartConversationActivity activity = (StartConversationActivity) getActivity();
1046			if (activity == null) {
1047				return;
1048			}
1049			activity.getMenuInflater().inflate(mResContextMenu, menu);
1050			final AdapterView.AdapterContextMenuInfo acmi = (AdapterContextMenuInfo) menuInfo;
1051			if (mResContextMenu == R.menu.conference_context) {
1052				activity.conference_context_id = acmi.position;
1053			} else if (mResContextMenu == R.menu.contact_context) {
1054				activity.contact_context_id = acmi.position;
1055				final Contact contact = (Contact) activity.contacts.get(acmi.position);
1056				final MenuItem blockUnblockItem = menu.findItem(R.id.context_contact_block_unblock);
1057				final MenuItem showContactDetailsItem = menu.findItem(R.id.context_contact_details);
1058				if (contact.isSelf()) {
1059					showContactDetailsItem.setVisible(false);
1060				}
1061				XmppConnection xmpp = contact.getAccount().getXmppConnection();
1062				if (xmpp != null && xmpp.getFeatures().blocking() && !contact.isSelf()) {
1063					if (contact.isBlocked()) {
1064						blockUnblockItem.setTitle(R.string.unblock_contact);
1065					} else {
1066						blockUnblockItem.setTitle(R.string.block_contact);
1067					}
1068				} else {
1069					blockUnblockItem.setVisible(false);
1070				}
1071			}
1072		}
1073
1074		@Override
1075		public boolean onContextItemSelected(final MenuItem item) {
1076			StartConversationActivity activity = (StartConversationActivity) getActivity();
1077			if (activity == null) {
1078				return true;
1079			}
1080			switch (item.getItemId()) {
1081				case R.id.context_contact_details:
1082					activity.openDetailsForContact();
1083					break;
1084				case R.id.context_show_qr:
1085					activity.showQrForContact();
1086					break;
1087				case R.id.context_contact_block_unblock:
1088					activity.toggleContactBlock();
1089					break;
1090				case R.id.context_delete_contact:
1091					activity.deleteContact();
1092					break;
1093				case R.id.context_join_conference:
1094					activity.openConversationForBookmark();
1095					break;
1096				case R.id.context_share_uri:
1097					activity.shareBookmarkUri();
1098					break;
1099				case R.id.context_delete_conference:
1100					activity.deleteConference();
1101			}
1102			return true;
1103		}
1104	}
1105
1106	public class ListPagerAdapter extends PagerAdapter {
1107		FragmentManager fragmentManager;
1108		MyListFragment[] fragments;
1109
1110		public ListPagerAdapter(FragmentManager fm) {
1111			fragmentManager = fm;
1112			fragments = new MyListFragment[2];
1113		}
1114
1115		public void requestFocus(int pos) {
1116			if (fragments.length > pos) {
1117				fragments[pos].getListView().requestFocus();
1118			}
1119		}
1120
1121		@Override
1122		public void destroyItem(@NonNull ViewGroup container, int position, @NonNull Object object) {
1123			assert (0 <= position && position < fragments.length);
1124			FragmentTransaction trans = fragmentManager.beginTransaction();
1125			trans.remove(fragments[position]);
1126			trans.commit();
1127			fragments[position] = null;
1128		}
1129
1130		@Override
1131		public Fragment instantiateItem(@NonNull ViewGroup container, int position) {
1132			Fragment fragment = getItem(position);
1133			FragmentTransaction trans = fragmentManager.beginTransaction();
1134			trans.add(container.getId(), fragment, "fragment:" + position);
1135			trans.commit();
1136			return fragment;
1137		}
1138
1139		@Override
1140		public int getCount() {
1141			return fragments.length;
1142		}
1143
1144		@Override
1145		public boolean isViewFromObject(@NonNull View view, @NonNull Object fragment) {
1146			return ((Fragment) fragment).getView() == view;
1147		}
1148
1149		@Nullable
1150		@Override
1151		public CharSequence getPageTitle(int position) {
1152			switch (position) {
1153				case 0:
1154					return getResources().getString(R.string.contacts);
1155				case 1:
1156					return getResources().getString(R.string.conferences);
1157				default:
1158					return super.getPageTitle(position);
1159			}
1160		}
1161
1162		public Fragment getItem(int position) {
1163			assert (0 <= position && position < fragments.length);
1164			if (fragments[position] == null) {
1165				final MyListFragment listFragment = new MyListFragment();
1166				if (position == 1) {
1167					listFragment.setListAdapter(mConferenceAdapter);
1168					listFragment.setContextMenu(R.menu.conference_context);
1169					listFragment.setOnListItemClickListener((arg0, arg1, p, arg3) -> openConversationForBookmark(p));
1170				} else {
1171
1172					listFragment.setListAdapter(mContactsAdapter);
1173					listFragment.setContextMenu(R.menu.contact_context);
1174					listFragment.setOnListItemClickListener((arg0, arg1, p, arg3) -> openConversationForContact(p));
1175				}
1176				fragments[position] = listFragment;
1177			}
1178			return fragments[position];
1179		}
1180	}
1181
1182	private class Invite extends XmppUri {
1183
1184		public String account;
1185
1186		public Invite(final Uri uri) {
1187			super(uri);
1188		}
1189
1190		public Invite(final String uri) {
1191			super(uri);
1192		}
1193
1194		public Invite(Uri uri, boolean safeSource) {
1195			super(uri, safeSource);
1196		}
1197
1198		boolean invite() {
1199			if (!isJidValid()) {
1200				Toast.makeText(StartConversationActivity.this, R.string.invalid_jid, Toast.LENGTH_SHORT).show();
1201				return false;
1202			}
1203			if (getJid() != null) {
1204				return handleJid(this);
1205			}
1206			return false;
1207		}
1208	}
1209}