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 name = intent.getStringExtra(ChooseContactActivity.EXTRA_GROUP_CHAT_NAME);
 657					final List<Jid> jids = ChooseContactActivity.extractJabberIds(intent);
 658					if (account != null && jids.size() > 0) {
 659						if (xmppConnectionService.createAdhocConference(account, name, jids, mAdhocConferenceCallback)) {
 660							mToast = Toast.makeText(this, R.string.creating_conference, Toast.LENGTH_LONG);
 661							mToast.show();
 662						}
 663					}
 664				}
 665			} else {
 666				this.mPostponedActivityResult = new Pair<>(requestCode, intent);
 667			}
 668		}
 669		super.onActivityResult(requestCode, requestCode, intent);
 670	}
 671
 672	private void askForContactsPermissions() {
 673		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 674			if (checkSelfPermission(Manifest.permission.READ_CONTACTS) != PackageManager.PERMISSION_GRANTED) {
 675				if (mRequestedContactsPermission.compareAndSet(false, true)) {
 676					if (shouldShowRequestPermissionRationale(Manifest.permission.READ_CONTACTS)) {
 677						AlertDialog.Builder builder = new AlertDialog.Builder(this);
 678						builder.setTitle(R.string.sync_with_contacts);
 679						builder.setMessage(R.string.sync_with_contacts_long);
 680						builder.setPositiveButton(R.string.next, (dialog, which) -> requestPermissions(new String[]{Manifest.permission.READ_CONTACTS}, REQUEST_SYNC_CONTACTS));
 681						builder.setOnDismissListener(dialog -> requestPermissions(new String[]{Manifest.permission.READ_CONTACTS}, REQUEST_SYNC_CONTACTS));
 682						builder.create().show();
 683					} else {
 684						requestPermissions(new String[]{Manifest.permission.READ_CONTACTS}, REQUEST_SYNC_CONTACTS);
 685					}
 686				}
 687			}
 688		}
 689	}
 690
 691	@Override
 692	public void onRequestPermissionsResult(int requestCode, @NonNull String permissions[], @NonNull int[] grantResults) {
 693		if (grantResults.length > 0)
 694			if (grantResults[0] == PackageManager.PERMISSION_GRANTED) {
 695				ScanActivity.onRequestPermissionResult(this, requestCode, grantResults);
 696				if (requestCode == REQUEST_SYNC_CONTACTS && xmppConnectionServiceBound) {
 697					xmppConnectionService.loadPhoneContacts();
 698					xmppConnectionService.startContactObserver();
 699				}
 700			}
 701	}
 702
 703	private void configureHomeButton() {
 704		final ActionBar actionBar = getSupportActionBar();
 705		if (actionBar == null) {
 706			return;
 707		}
 708		boolean openConversations = !xmppConnectionService.isConversationsListEmpty(null);
 709		actionBar.setDisplayHomeAsUpEnabled(openConversations);
 710		actionBar.setDisplayHomeAsUpEnabled(openConversations);
 711
 712	}
 713
 714	@Override
 715	protected void onBackendConnected() {
 716		if (mPostponedActivityResult != null) {
 717			onActivityResult(mPostponedActivityResult.first, RESULT_OK, mPostponedActivityResult.second);
 718			this.mPostponedActivityResult = null;
 719		}
 720		this.mActivatedAccounts.clear();
 721		for (Account account : xmppConnectionService.getAccounts()) {
 722			if (account.getStatus() != Account.State.DISABLED) {
 723				if (Config.DOMAIN_LOCK != null) {
 724					this.mActivatedAccounts.add(account.getJid().getLocal());
 725				} else {
 726					this.mActivatedAccounts.add(account.getJid().asBareJid().toString());
 727				}
 728			}
 729		}
 730		configureHomeButton();
 731		Intent intent = pendingViewIntent.pop();
 732		if (intent != null && processViewIntent(intent)) {
 733			filter(null);
 734		} else {
 735			if (mSearchEditText != null) {
 736				filter(mSearchEditText.getText().toString());
 737			} else {
 738				filter(null);
 739			}
 740		}
 741		Fragment fragment = getSupportFragmentManager().findFragmentByTag(FRAGMENT_TAG_DIALOG);
 742		if (fragment != null && fragment instanceof OnBackendConnected) {
 743			Log.d(Config.LOGTAG, "calling on backend connected on dialog");
 744			((OnBackendConnected) fragment).onBackendConnected();
 745		}
 746	}
 747
 748	protected boolean processViewIntent(@NonNull Intent intent) {
 749		final String inviteUri = intent.getStringExtra(WelcomeActivity.EXTRA_INVITE_URI);
 750		if (inviteUri != null) {
 751			Invite invite = new Invite(inviteUri);
 752			if (invite.isJidValid()) {
 753				return invite.invite();
 754			}
 755		}
 756		final String action = intent.getAction();
 757		if (action == null) {
 758			return false;
 759		}
 760		switch (action) {
 761			case Intent.ACTION_SENDTO:
 762			case Intent.ACTION_VIEW:
 763				Uri uri = intent.getData();
 764				if (uri != null) {
 765					Invite invite = new Invite(intent.getData(), intent.getBooleanExtra("scanned", false));
 766					invite.account = intent.getStringExtra("account");
 767					return invite.invite();
 768				} else {
 769					return false;
 770				}
 771		}
 772		return false;
 773	}
 774
 775	private boolean handleJid(Invite invite) {
 776		List<Contact> contacts = xmppConnectionService.findContacts(invite.getJid(), invite.account);
 777		if (invite.isAction(XmppUri.ACTION_JOIN)) {
 778			Conversation muc = xmppConnectionService.findFirstMuc(invite.getJid());
 779			if (muc != null) {
 780				switchToConversation(muc, invite.getBody(), false);
 781				return true;
 782			} else {
 783				showJoinConferenceDialog(invite.getJid().asBareJid().toString());
 784				return false;
 785			}
 786		} else if (contacts.size() == 0) {
 787			showCreateContactDialog(invite.getJid().toString(), invite);
 788			return false;
 789		} else if (contacts.size() == 1) {
 790			Contact contact = contacts.get(0);
 791			if (!invite.isSafeSource() && invite.hasFingerprints()) {
 792				displayVerificationWarningDialog(contact, invite);
 793			} else {
 794				if (invite.hasFingerprints()) {
 795					if (xmppConnectionService.verifyFingerprints(contact, invite.getFingerprints())) {
 796						Toast.makeText(this, R.string.verified_fingerprints, Toast.LENGTH_SHORT).show();
 797					}
 798				}
 799				if (invite.account != null) {
 800					xmppConnectionService.getShortcutService().report(contact);
 801				}
 802				switchToConversation(contact, invite.getBody());
 803			}
 804			return true;
 805		} else {
 806			if (mMenuSearchView != null) {
 807				mMenuSearchView.expandActionView();
 808				mSearchEditText.setText("");
 809				mSearchEditText.append(invite.getJid().toString());
 810				filter(invite.getJid().toString());
 811			} else {
 812				mInitialSearchValue.push(invite.getJid().toString());
 813			}
 814			return true;
 815		}
 816	}
 817
 818	private void displayVerificationWarningDialog(final Contact contact, final Invite invite) {
 819		AlertDialog.Builder builder = new AlertDialog.Builder(this);
 820		builder.setTitle(R.string.verify_omemo_keys);
 821		View view = getLayoutInflater().inflate(R.layout.dialog_verify_fingerprints, null);
 822		final CheckBox isTrustedSource = view.findViewById(R.id.trusted_source);
 823		TextView warning = view.findViewById(R.id.warning);
 824		String jid = contact.getJid().asBareJid().toString();
 825		SpannableString spannable = new SpannableString(getString(R.string.verifying_omemo_keys_trusted_source, jid, contact.getDisplayName()));
 826		int start = spannable.toString().indexOf(jid);
 827		if (start >= 0) {
 828			spannable.setSpan(new TypefaceSpan("monospace"), start, start + jid.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
 829		}
 830		warning.setText(spannable);
 831		builder.setView(view);
 832		builder.setPositiveButton(R.string.confirm, (dialog, which) -> {
 833			if (isTrustedSource.isChecked() && invite.hasFingerprints()) {
 834				xmppConnectionService.verifyFingerprints(contact, invite.getFingerprints());
 835			}
 836			switchToConversation(contact, invite.getBody());
 837		});
 838		builder.setNegativeButton(R.string.cancel, (dialog, which) -> StartConversationActivity.this.finish());
 839		AlertDialog dialog = builder.create();
 840		dialog.setCanceledOnTouchOutside(false);
 841		dialog.setOnCancelListener(dialog1 -> StartConversationActivity.this.finish());
 842		dialog.show();
 843	}
 844
 845	protected void filter(String needle) {
 846		if (xmppConnectionServiceBound) {
 847			this.filterContacts(needle);
 848			this.filterConferences(needle);
 849		}
 850	}
 851
 852	protected void filterContacts(String needle) {
 853		this.contacts.clear();
 854		final List<Account> accounts = xmppConnectionService.getAccounts();
 855		final boolean singleAccountActive = isSingleAccountActive(accounts);
 856		for (Account account : accounts) {
 857			if (account.getStatus() != Account.State.DISABLED) {
 858				for (Contact contact : account.getRoster().getContacts()) {
 859					Presence.Status s = contact.getShownStatus();
 860					if ((contact.showInRoster() || (singleAccountActive && contact.showInPhoneBook())) && contact.match(this, needle)
 861							&& (!this.mHideOfflineContacts
 862							|| (needle != null && !needle.trim().isEmpty())
 863							|| s.compareTo(Presence.Status.OFFLINE) < 0)) {
 864						this.contacts.add(contact);
 865					}
 866				}
 867			}
 868		}
 869		Collections.sort(this.contacts);
 870		mContactsAdapter.notifyDataSetChanged();
 871	}
 872
 873	private static boolean isSingleAccountActive(final List<Account> accounts) {
 874		int i = 0;
 875		for(Account account : accounts) {
 876			if (account.getStatus() != Account.State.DISABLED) {
 877				++i;
 878			}
 879		}
 880		return i == 1;
 881	}
 882
 883	protected void filterConferences(String needle) {
 884		this.conferences.clear();
 885		for (Account account : xmppConnectionService.getAccounts()) {
 886			if (account.getStatus() != Account.State.DISABLED) {
 887				for (Bookmark bookmark : account.getBookmarks()) {
 888					if (bookmark.match(this, needle)) {
 889						this.conferences.add(bookmark);
 890					}
 891				}
 892			}
 893		}
 894		Collections.sort(this.conferences);
 895		mConferenceAdapter.notifyDataSetChanged();
 896	}
 897
 898	private void onTabChanged() {
 899		@DrawableRes final int fabDrawable;
 900		if (binding.startConversationViewPager.getCurrentItem() == 0) {
 901			fabDrawable = R.drawable.ic_person_add_white_24dp;
 902		} else {
 903			fabDrawable = R.drawable.ic_group_add_white_24dp;
 904		}
 905		binding.fab.setImageResource(fabDrawable);
 906		invalidateOptionsMenu();
 907	}
 908
 909	@Override
 910	public void OnUpdateBlocklist(final Status status) {
 911		refreshUi();
 912	}
 913
 914	@Override
 915	protected void refreshUiReal() {
 916		if (mSearchEditText != null) {
 917			filter(mSearchEditText.getText().toString());
 918		}
 919		configureHomeButton();
 920	}
 921
 922	@Override
 923	public void onBackPressed() {
 924		navigateBack();
 925	}
 926
 927	private void navigateBack() {
 928		if (xmppConnectionService != null && !xmppConnectionService.isConversationsListEmpty(null)) {
 929			Intent intent = new Intent(this, ConversationsActivity.class);
 930			intent.addFlags(Intent.FLAG_ACTIVITY_NO_ANIMATION);
 931			startActivity(intent);
 932		}
 933		finish();
 934	}
 935
 936	@Override
 937	public void onCreateDialogPositiveClick(Spinner spinner, String name) {
 938		if (!xmppConnectionServiceBound) {
 939			return;
 940		}
 941		final Account account = getSelectedAccount(spinner);
 942		if (account == null) {
 943			return;
 944		}
 945		Intent intent = new Intent(getApplicationContext(), ChooseContactActivity.class);
 946		intent.putExtra(ChooseContactActivity.EXTRA_SHOW_ENTER_JID, false);
 947		intent.putExtra(ChooseContactActivity.EXTRA_SELECT_MULTIPLE, true);
 948		intent.putExtra(ChooseContactActivity.EXTRA_GROUP_CHAT_NAME, name.trim());
 949		intent.putExtra(ChooseContactActivity.EXTRA_ACCOUNT, account.getJid().asBareJid().toString());
 950		intent.putExtra(ChooseContactActivity.EXTRA_TITLE_RES_ID, R.string.choose_participants);
 951		startActivityForResult(intent, REQUEST_CREATE_CONFERENCE);
 952	}
 953
 954	@Override
 955	public void onJoinDialogPositiveClick(Dialog dialog, Spinner spinner, AutoCompleteTextView jid, boolean isBookmarkChecked) {
 956		if (!xmppConnectionServiceBound) {
 957			return;
 958		}
 959		final Account account = getSelectedAccount(spinner);
 960		if (account == null) {
 961			return;
 962		}
 963		final Jid conferenceJid;
 964		try {
 965			conferenceJid = Jid.of(jid.getText().toString());
 966		} catch (final IllegalArgumentException e) {
 967			jid.setError(getString(R.string.invalid_jid));
 968			return;
 969		}
 970
 971		if (isBookmarkChecked) {
 972			if (account.hasBookmarkFor(conferenceJid)) {
 973				jid.setError(getString(R.string.bookmark_already_exists));
 974			} else {
 975				final Bookmark bookmark = new Bookmark(account, conferenceJid.asBareJid());
 976				bookmark.setAutojoin(getBooleanPreference("autojoin", R.bool.autojoin));
 977				String nick = conferenceJid.getResource();
 978				if (nick != null && !nick.isEmpty()) {
 979					bookmark.setNick(nick);
 980				}
 981				account.getBookmarks().add(bookmark);
 982				xmppConnectionService.pushBookmarks(account);
 983				final Conversation conversation = xmppConnectionService
 984						.findOrCreateConversation(account, conferenceJid, true, true, true);
 985				bookmark.setConversation(conversation);
 986				dialog.dismiss();
 987				switchToConversation(conversation);
 988			}
 989		} else {
 990			final Conversation conversation = xmppConnectionService
 991					.findOrCreateConversation(account, conferenceJid, true, true, true);
 992			dialog.dismiss();
 993			switchToConversation(conversation);
 994		}
 995	}
 996
 997	@Override
 998	public void onConversationUpdate() {
 999		refreshUi();
1000	}
1001
1002	public static class MyListFragment extends ListFragment {
1003		private AdapterView.OnItemClickListener mOnItemClickListener;
1004		private int mResContextMenu;
1005
1006		public void setContextMenu(final int res) {
1007			this.mResContextMenu = res;
1008		}
1009
1010		@Override
1011		public void onListItemClick(final ListView l, final View v, final int position, final long id) {
1012			if (mOnItemClickListener != null) {
1013				mOnItemClickListener.onItemClick(l, v, position, id);
1014			}
1015		}
1016
1017		public void setOnListItemClickListener(AdapterView.OnItemClickListener l) {
1018			this.mOnItemClickListener = l;
1019		}
1020
1021		@Override
1022		public void onViewCreated(@NonNull final View view, final Bundle savedInstanceState) {
1023			super.onViewCreated(view, savedInstanceState);
1024			registerForContextMenu(getListView());
1025			getListView().setFastScrollEnabled(true);
1026			getListView().setDivider(null);
1027			getListView().setDividerHeight(0);
1028		}
1029
1030		@Override
1031		public void onCreateContextMenu(final ContextMenu menu, final View v, final ContextMenuInfo menuInfo) {
1032			super.onCreateContextMenu(menu, v, menuInfo);
1033			final StartConversationActivity activity = (StartConversationActivity) getActivity();
1034			if (activity == null) {
1035				return;
1036			}
1037			activity.getMenuInflater().inflate(mResContextMenu, menu);
1038			final AdapterView.AdapterContextMenuInfo acmi = (AdapterContextMenuInfo) menuInfo;
1039			if (mResContextMenu == R.menu.conference_context) {
1040				activity.conference_context_id = acmi.position;
1041			} else if (mResContextMenu == R.menu.contact_context) {
1042				activity.contact_context_id = acmi.position;
1043				final Contact contact = (Contact) activity.contacts.get(acmi.position);
1044				final MenuItem blockUnblockItem = menu.findItem(R.id.context_contact_block_unblock);
1045				final MenuItem showContactDetailsItem = menu.findItem(R.id.context_contact_details);
1046				final MenuItem deleteContactMenuItem = menu.findItem(R.id.context_delete_contact);
1047				if (contact.isSelf()) {
1048					showContactDetailsItem.setVisible(false);
1049				}
1050				deleteContactMenuItem.setVisible(contact.showInRoster());
1051				XmppConnection xmpp = contact.getAccount().getXmppConnection();
1052				if (xmpp != null && xmpp.getFeatures().blocking() && !contact.isSelf()) {
1053					if (contact.isBlocked()) {
1054						blockUnblockItem.setTitle(R.string.unblock_contact);
1055					} else {
1056						blockUnblockItem.setTitle(R.string.block_contact);
1057					}
1058				} else {
1059					blockUnblockItem.setVisible(false);
1060				}
1061			}
1062		}
1063
1064		@Override
1065		public boolean onContextItemSelected(final MenuItem item) {
1066			StartConversationActivity activity = (StartConversationActivity) getActivity();
1067			if (activity == null) {
1068				return true;
1069			}
1070			switch (item.getItemId()) {
1071				case R.id.context_contact_details:
1072					activity.openDetailsForContact();
1073					break;
1074				case R.id.context_show_qr:
1075					activity.showQrForContact();
1076					break;
1077				case R.id.context_contact_block_unblock:
1078					activity.toggleContactBlock();
1079					break;
1080				case R.id.context_delete_contact:
1081					activity.deleteContact();
1082					break;
1083				case R.id.context_join_conference:
1084					activity.openConversationForBookmark();
1085					break;
1086				case R.id.context_share_uri:
1087					activity.shareBookmarkUri();
1088					break;
1089				case R.id.context_delete_conference:
1090					activity.deleteConference();
1091			}
1092			return true;
1093		}
1094	}
1095
1096	public class ListPagerAdapter extends PagerAdapter {
1097		FragmentManager fragmentManager;
1098		MyListFragment[] fragments;
1099
1100		public ListPagerAdapter(FragmentManager fm) {
1101			fragmentManager = fm;
1102			fragments = new MyListFragment[2];
1103		}
1104
1105		public void requestFocus(int pos) {
1106			if (fragments.length > pos) {
1107				fragments[pos].getListView().requestFocus();
1108			}
1109		}
1110
1111		@Override
1112		public void destroyItem(@NonNull ViewGroup container, int position, @NonNull Object object) {
1113			assert (0 <= position && position < fragments.length);
1114			FragmentTransaction trans = fragmentManager.beginTransaction();
1115			trans.remove(fragments[position]);
1116			trans.commit();
1117			fragments[position] = null;
1118		}
1119
1120		@Override
1121		public Fragment instantiateItem(@NonNull ViewGroup container, int position) {
1122			Fragment fragment = getItem(position);
1123			FragmentTransaction trans = fragmentManager.beginTransaction();
1124			trans.add(container.getId(), fragment, "fragment:" + position);
1125			trans.commit();
1126			return fragment;
1127		}
1128
1129		@Override
1130		public int getCount() {
1131			return fragments.length;
1132		}
1133
1134		@Override
1135		public boolean isViewFromObject(@NonNull View view, @NonNull Object fragment) {
1136			return ((Fragment) fragment).getView() == view;
1137		}
1138
1139		@Nullable
1140		@Override
1141		public CharSequence getPageTitle(int position) {
1142			switch (position) {
1143				case 0:
1144					return getResources().getString(R.string.contacts);
1145				case 1:
1146					return getResources().getString(R.string.conferences);
1147				default:
1148					return super.getPageTitle(position);
1149			}
1150		}
1151
1152		public Fragment getItem(int position) {
1153			assert (0 <= position && position < fragments.length);
1154			if (fragments[position] == null) {
1155				final MyListFragment listFragment = new MyListFragment();
1156				if (position == 1) {
1157					listFragment.setListAdapter(mConferenceAdapter);
1158					listFragment.setContextMenu(R.menu.conference_context);
1159					listFragment.setOnListItemClickListener((arg0, arg1, p, arg3) -> openConversationForBookmark(p));
1160				} else {
1161
1162					listFragment.setListAdapter(mContactsAdapter);
1163					listFragment.setContextMenu(R.menu.contact_context);
1164					listFragment.setOnListItemClickListener((arg0, arg1, p, arg3) -> openConversationForContact(p));
1165				}
1166				fragments[position] = listFragment;
1167			}
1168			return fragments[position];
1169		}
1170	}
1171
1172	private class Invite extends XmppUri {
1173
1174		public String account;
1175
1176		public Invite(final Uri uri) {
1177			super(uri);
1178		}
1179
1180		public Invite(final String uri) {
1181			super(uri);
1182		}
1183
1184		public Invite(Uri uri, boolean safeSource) {
1185			super(uri, safeSource);
1186		}
1187
1188		boolean invite() {
1189			if (!isJidValid()) {
1190				Toast.makeText(StartConversationActivity.this, R.string.invalid_jid, Toast.LENGTH_SHORT).show();
1191				return false;
1192			}
1193			if (getJid() != null) {
1194				return handleJid(this);
1195			}
1196			return false;
1197		}
1198	}
1199}