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.JidDialog;
  75import eu.siacs.conversations.ui.util.MenuDoubleTabUtil;
  76import eu.siacs.conversations.ui.util.PendingItem;
  77import eu.siacs.conversations.ui.util.SoftKeyboardUtils;
  78import eu.siacs.conversations.utils.XmppUri;
  79import eu.siacs.conversations.xmpp.OnUpdateBlocklist;
  80import eu.siacs.conversations.xmpp.XmppConnection;
  81import rocks.xmpp.addr.Jid;
  82
  83public class StartConversationActivity extends XmppActivity implements XmppConnectionService.OnConversationUpdate, OnRosterUpdate, OnUpdateBlocklist, CreateConferenceDialog.CreateConferenceDialogListener, JoinConferenceDialog.JoinConferenceDialogListener {
  84
  85	private final int REQUEST_SYNC_CONTACTS = 0x28cf;
  86	private final int REQUEST_CREATE_CONFERENCE = 0x39da;
  87	private final PendingItem<Intent> pendingViewIntent = new PendingItem<>();
  88	private final PendingItem<String> mInitialSearchValue = new PendingItem<>();
  89	private final AtomicBoolean oneShotKeyboardSuppress = new AtomicBoolean();
  90	public int conference_context_id;
  91	public int contact_context_id;
  92	private ListPagerAdapter mListPagerAdapter;
  93	private List<ListItem> contacts = new ArrayList<>();
  94	private ListItemAdapter mContactsAdapter;
  95	private List<ListItem> conferences = new ArrayList<>();
  96	private ListItemAdapter mConferenceAdapter;
  97	private List<String> mActivatedAccounts = new ArrayList<>();
  98	private EditText mSearchEditText;
  99	private AtomicBoolean mRequestedContactsPermission = new AtomicBoolean(false);
 100	private boolean mHideOfflineContacts = false;
 101	private MenuItem.OnActionExpandListener mOnActionExpandListener = new MenuItem.OnActionExpandListener() {
 102
 103		@Override
 104		public boolean onMenuItemActionExpand(MenuItem item) {
 105			mSearchEditText.post(() -> {
 106				updateSearchViewHint();
 107				mSearchEditText.requestFocus();
 108				if (oneShotKeyboardSuppress.compareAndSet(true, false)) {
 109					return;
 110				}
 111				InputMethodManager imm = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
 112				if (imm != null) {
 113					imm.showSoftInput(mSearchEditText, InputMethodManager.SHOW_IMPLICIT);
 114				}
 115			});
 116
 117			return true;
 118		}
 119
 120		@Override
 121		public boolean onMenuItemActionCollapse(MenuItem item) {
 122			SoftKeyboardUtils.hideSoftKeyboard(StartConversationActivity.this);
 123			mSearchEditText.setText("");
 124			filter(null);
 125			return true;
 126		}
 127	};
 128	private TextWatcher mSearchTextWatcher = new TextWatcher() {
 129
 130		@Override
 131		public void afterTextChanged(Editable editable) {
 132			filter(editable.toString());
 133		}
 134
 135		@Override
 136		public void beforeTextChanged(CharSequence s, int start, int count, int after) {
 137		}
 138
 139		@Override
 140		public void onTextChanged(CharSequence s, int start, int before, int count) {
 141		}
 142	};
 143	private MenuItem mMenuSearchView;
 144	private ListItemAdapter.OnTagClickedListener mOnTagClickedListener = new ListItemAdapter.OnTagClickedListener() {
 145		@Override
 146		public void onTagClicked(String tag) {
 147			if (mMenuSearchView != null) {
 148				mMenuSearchView.expandActionView();
 149				mSearchEditText.setText("");
 150				mSearchEditText.append(tag);
 151				filter(tag);
 152			}
 153		}
 154	};
 155	private Pair<Integer, Intent> mPostponedActivityResult;
 156	private Toast mToast;
 157	private UiCallback<Conversation> mAdhocConferenceCallback = new UiCallback<Conversation>() {
 158		@Override
 159		public void success(final Conversation conversation) {
 160			runOnUiThread(() -> {
 161				hideToast();
 162				switchToConversation(conversation);
 163			});
 164		}
 165
 166		@Override
 167		public void error(final int errorCode, Conversation object) {
 168			runOnUiThread(() -> replaceToast(getString(errorCode)));
 169		}
 170
 171		@Override
 172		public void userInputRequried(PendingIntent pi, Conversation object) {
 173
 174		}
 175	};
 176	private ActivityStartConversationBinding binding;
 177	private TextView.OnEditorActionListener mSearchDone = new TextView.OnEditorActionListener() {
 178		@Override
 179		public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
 180			int pos = binding.startConversationViewPager.getCurrentItem();
 181			if (pos == 0) {
 182				if (contacts.size() == 1) {
 183					openConversationForContact((Contact) contacts.get(0));
 184					return true;
 185				} else if (contacts.size() == 0 && conferences.size() == 1) {
 186					openConversationsForBookmark((Bookmark) conferences.get(0));
 187					return true;
 188				}
 189			} else {
 190				if (conferences.size() == 1) {
 191					openConversationsForBookmark((Bookmark) conferences.get(0));
 192					return true;
 193				} else if (conferences.size() == 0 && contacts.size() == 1) {
 194					openConversationForContact((Contact) contacts.get(0));
 195					return true;
 196				}
 197			}
 198			SoftKeyboardUtils.hideSoftKeyboard(StartConversationActivity.this);
 199			mListPagerAdapter.requestFocus(pos);
 200			return true;
 201		}
 202	};
 203	private ViewPager.SimpleOnPageChangeListener mOnPageChangeListener = new ViewPager.SimpleOnPageChangeListener() {
 204		@Override
 205		public void onPageSelected(int position) {
 206			onTabChanged();
 207		}
 208	};
 209
 210	public static void populateAccountSpinner(Context context, List<String> accounts, Spinner spinner) {
 211		if (accounts.size() > 0) {
 212			ArrayAdapter<String> adapter = new ArrayAdapter<>(context, R.layout.simple_list_item, accounts);
 213			adapter.setDropDownViewResource(R.layout.simple_list_item);
 214			spinner.setAdapter(adapter);
 215			spinner.setEnabled(true);
 216		} else {
 217			ArrayAdapter<String> adapter = new ArrayAdapter<>(context,
 218					R.layout.simple_list_item,
 219					Arrays.asList(context.getString(R.string.no_accounts)));
 220			adapter.setDropDownViewResource(R.layout.simple_list_item);
 221			spinner.setAdapter(adapter);
 222			spinner.setEnabled(false);
 223		}
 224	}
 225
 226	public static void launch(Context context) {
 227		final Intent intent = new Intent(context, StartConversationActivity.class);
 228		context.startActivity(intent);
 229	}
 230
 231	private static Intent createLauncherIntent(Context context) {
 232		final Intent intent = new Intent(context, StartConversationActivity.class);
 233		intent.setAction(Intent.ACTION_MAIN);
 234		intent.addCategory(Intent.CATEGORY_LAUNCHER);
 235		return intent;
 236	}
 237
 238	private static boolean isViewIntent(final Intent i) {
 239		return i != null && (Intent.ACTION_VIEW.equals(i.getAction()) || Intent.ACTION_SENDTO.equals(i.getAction()) || i.hasExtra(WelcomeActivity.EXTRA_INVITE_URI));
 240	}
 241
 242	protected void hideToast() {
 243		if (mToast != null) {
 244			mToast.cancel();
 245		}
 246	}
 247
 248	protected void replaceToast(String msg) {
 249		hideToast();
 250		mToast = Toast.makeText(this, msg, Toast.LENGTH_LONG);
 251		mToast.show();
 252	}
 253
 254	@Override
 255	public void onRosterUpdate() {
 256		this.refreshUi();
 257	}
 258
 259	@Override
 260	public void onCreate(Bundle savedInstanceState) {
 261		super.onCreate(savedInstanceState);
 262		new EmojiService(this).init();
 263		this.binding = DataBindingUtil.setContentView(this, R.layout.activity_start_conversation);
 264		Toolbar toolbar = (Toolbar) binding.toolbar;
 265		setSupportActionBar(toolbar);
 266		configureActionBar(getSupportActionBar());
 267		this.binding.fab.setOnClickListener((v) -> {
 268			if (binding.startConversationViewPager.getCurrentItem() == 0) {
 269				String searchString = mSearchEditText != null ? mSearchEditText.getText().toString() : null;
 270				if (searchString != null && !searchString.trim().isEmpty()) {
 271					try {
 272						Jid jid = Jid.of(searchString);
 273						if (jid.getLocal() != null && jid.isBareJid() && jid.getDomain().contains(".")) {
 274							showCreateContactDialog(jid.toString(), null);
 275							return;
 276						}
 277					} catch (IllegalArgumentException ignored) {
 278						//ignore and fall through
 279					}
 280				}
 281				showCreateContactDialog(null, null);
 282			} else {
 283				showCreateConferenceDialog();
 284			}
 285		});
 286		binding.tabLayout.setupWithViewPager(binding.startConversationViewPager);
 287		binding.startConversationViewPager.addOnPageChangeListener(mOnPageChangeListener);
 288		mListPagerAdapter = new ListPagerAdapter(getSupportFragmentManager());
 289		binding.startConversationViewPager.setAdapter(mListPagerAdapter);
 290
 291		mConferenceAdapter = new ListItemAdapter(this, conferences);
 292		mContactsAdapter = new ListItemAdapter(this, contacts);
 293		mContactsAdapter.setOnTagClickedListener(this.mOnTagClickedListener);
 294
 295		final SharedPreferences preferences = getPreferences();
 296
 297		this.mHideOfflineContacts = preferences.getBoolean("hide_offline", false);
 298
 299		final boolean startSearching = preferences.getBoolean("start_searching",getResources().getBoolean(R.bool.start_searching));
 300
 301		final Intent intent;
 302		if (savedInstanceState == null) {
 303			intent = getIntent();
 304		} else {
 305			final String search = savedInstanceState.getString("search");
 306			if (search != null) {
 307				mInitialSearchValue.push(search);
 308			}
 309			intent = savedInstanceState.getParcelable("intent");
 310		}
 311
 312		if (isViewIntent(intent)) {
 313			pendingViewIntent.push(intent);
 314			setIntent(createLauncherIntent(this));
 315		} else if (startSearching && mInitialSearchValue.peek() == null) {
 316			mInitialSearchValue.push("");
 317		}
 318	}
 319
 320	@Override
 321	public void onSaveInstanceState(Bundle savedInstanceState) {
 322		Intent pendingIntent = pendingViewIntent.peek();
 323		savedInstanceState.putParcelable("intent", pendingIntent != null ? pendingIntent : getIntent());
 324		if (mMenuSearchView != null && mMenuSearchView.isActionViewExpanded()) {
 325			savedInstanceState.putString("search", mSearchEditText != null ? mSearchEditText.getText().toString() : null);
 326		}
 327		super.onSaveInstanceState(savedInstanceState);
 328	}
 329
 330	@Override
 331	public void onStart() {
 332		super.onStart();
 333		final int theme = findTheme();
 334		if (this.mTheme != theme) {
 335			recreate();
 336		} else {
 337			if (pendingViewIntent.peek() == null) {
 338				askForContactsPermissions();
 339			}
 340		}
 341		mConferenceAdapter.refreshSettings();
 342		mContactsAdapter.refreshSettings();
 343	}
 344
 345	@Override
 346	public void onNewIntent(final Intent intent) {
 347		if (xmppConnectionServiceBound) {
 348			processViewIntent(intent);
 349		} else {
 350			pendingViewIntent.push(intent);
 351		}
 352		setIntent(createLauncherIntent(this));
 353	}
 354
 355	protected void openConversationForContact(int position) {
 356		Contact contact = (Contact) contacts.get(position);
 357		openConversationForContact(contact);
 358	}
 359
 360	protected void openConversationForContact(Contact contact) {
 361		Conversation conversation = xmppConnectionService.findOrCreateConversation(contact.getAccount(), contact.getJid(), false, true);
 362		SoftKeyboardUtils.hideSoftKeyboard(this);
 363		switchToConversation(conversation);
 364	}
 365
 366	protected void openConversationForBookmark() {
 367		openConversationForBookmark(conference_context_id);
 368	}
 369
 370	protected void openConversationForBookmark(int position) {
 371		Bookmark bookmark = (Bookmark) conferences.get(position);
 372		openConversationsForBookmark(bookmark);
 373	}
 374
 375	protected void shareBookmarkUri() {
 376		shareBookmarkUri(conference_context_id);
 377	}
 378
 379	protected void shareBookmarkUri(int position) {
 380		Bookmark bookmark = (Bookmark) conferences.get(position);
 381		Intent shareIntent = new Intent();
 382		shareIntent.setAction(Intent.ACTION_SEND);
 383		shareIntent.putExtra(Intent.EXTRA_TEXT, "xmpp:" + bookmark.getJid().asBareJid().toEscapedString() + "?join");
 384		shareIntent.setType("text/plain");
 385		try {
 386			startActivity(Intent.createChooser(shareIntent, getText(R.string.share_uri_with)));
 387		} catch (ActivityNotFoundException e) {
 388			Toast.makeText(this, R.string.no_application_to_share_uri, Toast.LENGTH_SHORT).show();
 389		}
 390	}
 391
 392	protected void openConversationsForBookmark(Bookmark bookmark) {
 393		Jid jid = bookmark.getJid();
 394		if (jid == null) {
 395			Toast.makeText(this, R.string.invalid_jid, Toast.LENGTH_SHORT).show();
 396			return;
 397		}
 398		Conversation conversation = xmppConnectionService.findOrCreateConversation(bookmark.getAccount(), jid, true, true, true);
 399		bookmark.setConversation(conversation);
 400		if (!bookmark.autojoin() && getPreferences().getBoolean("autojoin", getResources().getBoolean(R.bool.autojoin))) {
 401			bookmark.setAutojoin(true);
 402			xmppConnectionService.pushBookmarks(bookmark.getAccount());
 403		}
 404		SoftKeyboardUtils.hideSoftKeyboard(this);
 405		switchToConversation(conversation);
 406	}
 407
 408	protected void openDetailsForContact() {
 409		int position = contact_context_id;
 410		Contact contact = (Contact) contacts.get(position);
 411		switchToContactDetails(contact);
 412	}
 413
 414	protected void showQrForContact() {
 415		int position = contact_context_id;
 416		Contact contact = (Contact) contacts.get(position);
 417		showQrCode("xmpp:"+contact.getJid().asBareJid().toEscapedString());
 418	}
 419
 420	protected void toggleContactBlock() {
 421		final int position = contact_context_id;
 422		BlockContactDialog.show(this, (Contact) contacts.get(position));
 423	}
 424
 425	protected void deleteContact() {
 426		final int position = contact_context_id;
 427		final Contact contact = (Contact) contacts.get(position);
 428		final AlertDialog.Builder builder = new AlertDialog.Builder(this);
 429		builder.setNegativeButton(R.string.cancel, null);
 430		builder.setTitle(R.string.action_delete_contact);
 431		builder.setMessage(JidDialog.style(this, R.string.remove_contact_text, contact.getJid().toEscapedString()));
 432		builder.setPositiveButton(R.string.delete, (dialog, which) -> {
 433			xmppConnectionService.deleteContactOnServer(contact);
 434			filter(mSearchEditText.getText().toString());
 435		});
 436		builder.create().show();
 437	}
 438
 439	protected void deleteConference() {
 440		int position = conference_context_id;
 441		final Bookmark bookmark = (Bookmark) conferences.get(position);
 442
 443		AlertDialog.Builder builder = new AlertDialog.Builder(this);
 444		builder.setNegativeButton(R.string.cancel, null);
 445		builder.setTitle(R.string.delete_bookmark);
 446		builder.setMessage(JidDialog.style(this, R.string.remove_bookmark_text, bookmark.getJid().toEscapedString()));
 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);
 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());
 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		warning.setText(JidDialog.style(this, R.string.verifying_omemo_keys_trusted_source, contact.getJid().asBareJid().toEscapedString(), contact.getDisplayName()));
 825		builder.setView(view);
 826		builder.setPositiveButton(R.string.confirm, (dialog, which) -> {
 827			if (isTrustedSource.isChecked() && invite.hasFingerprints()) {
 828				xmppConnectionService.verifyFingerprints(contact, invite.getFingerprints());
 829			}
 830			switchToConversation(contact, invite.getBody());
 831		});
 832		builder.setNegativeButton(R.string.cancel, (dialog, which) -> StartConversationActivity.this.finish());
 833		AlertDialog dialog = builder.create();
 834		dialog.setCanceledOnTouchOutside(false);
 835		dialog.setOnCancelListener(dialog1 -> StartConversationActivity.this.finish());
 836		dialog.show();
 837	}
 838
 839	protected void filter(String needle) {
 840		if (xmppConnectionServiceBound) {
 841			this.filterContacts(needle);
 842			this.filterConferences(needle);
 843		}
 844	}
 845
 846	protected void filterContacts(String needle) {
 847		this.contacts.clear();
 848		final List<Account> accounts = xmppConnectionService.getAccounts();
 849		final boolean singleAccountActive = isSingleAccountActive(accounts);
 850		for (Account account : accounts) {
 851			if (account.getStatus() != Account.State.DISABLED) {
 852				for (Contact contact : account.getRoster().getContacts()) {
 853					Presence.Status s = contact.getShownStatus();
 854					if ((contact.showInRoster() || (singleAccountActive && contact.showInPhoneBook())) && contact.match(this, needle)
 855							&& (!this.mHideOfflineContacts
 856							|| (needle != null && !needle.trim().isEmpty())
 857							|| s.compareTo(Presence.Status.OFFLINE) < 0)) {
 858						this.contacts.add(contact);
 859					}
 860				}
 861			}
 862		}
 863		Collections.sort(this.contacts);
 864		mContactsAdapter.notifyDataSetChanged();
 865	}
 866
 867	private static boolean isSingleAccountActive(final List<Account> accounts) {
 868		int i = 0;
 869		for(Account account : accounts) {
 870			if (account.getStatus() != Account.State.DISABLED) {
 871				++i;
 872			}
 873		}
 874		return i == 1;
 875	}
 876
 877	protected void filterConferences(String needle) {
 878		this.conferences.clear();
 879		for (Account account : xmppConnectionService.getAccounts()) {
 880			if (account.getStatus() != Account.State.DISABLED) {
 881				for (Bookmark bookmark : account.getBookmarks()) {
 882					if (bookmark.match(this, needle)) {
 883						this.conferences.add(bookmark);
 884					}
 885				}
 886			}
 887		}
 888		Collections.sort(this.conferences);
 889		mConferenceAdapter.notifyDataSetChanged();
 890	}
 891
 892	private void onTabChanged() {
 893		@DrawableRes final int fabDrawable;
 894		if (binding.startConversationViewPager.getCurrentItem() == 0) {
 895			fabDrawable = R.drawable.ic_person_add_white_24dp;
 896		} else {
 897			fabDrawable = R.drawable.ic_group_add_white_24dp;
 898		}
 899		binding.fab.setImageResource(fabDrawable);
 900		invalidateOptionsMenu();
 901	}
 902
 903	@Override
 904	public void OnUpdateBlocklist(final Status status) {
 905		refreshUi();
 906	}
 907
 908	@Override
 909	protected void refreshUiReal() {
 910		if (mSearchEditText != null) {
 911			filter(mSearchEditText.getText().toString());
 912		}
 913		configureHomeButton();
 914	}
 915
 916	@Override
 917	public void onBackPressed() {
 918		navigateBack();
 919	}
 920
 921	private void navigateBack() {
 922		if (xmppConnectionService != null && !xmppConnectionService.isConversationsListEmpty(null)) {
 923			Intent intent = new Intent(this, ConversationsActivity.class);
 924			intent.addFlags(Intent.FLAG_ACTIVITY_NO_ANIMATION);
 925			startActivity(intent);
 926		}
 927		finish();
 928	}
 929
 930	@Override
 931	public void onCreateDialogPositiveClick(Spinner spinner, String name) {
 932		if (!xmppConnectionServiceBound) {
 933			return;
 934		}
 935		final Account account = getSelectedAccount(spinner);
 936		if (account == null) {
 937			return;
 938		}
 939		Intent intent = new Intent(getApplicationContext(), ChooseContactActivity.class);
 940		intent.putExtra(ChooseContactActivity.EXTRA_SHOW_ENTER_JID, false);
 941		intent.putExtra(ChooseContactActivity.EXTRA_SELECT_MULTIPLE, true);
 942		intent.putExtra(ChooseContactActivity.EXTRA_GROUP_CHAT_NAME, name.trim());
 943		intent.putExtra(ChooseContactActivity.EXTRA_ACCOUNT, account.getJid().asBareJid().toString());
 944		intent.putExtra(ChooseContactActivity.EXTRA_TITLE_RES_ID, R.string.choose_participants);
 945		startActivityForResult(intent, REQUEST_CREATE_CONFERENCE);
 946	}
 947
 948	@Override
 949	public void onJoinDialogPositiveClick(Dialog dialog, Spinner spinner, AutoCompleteTextView jid, boolean isBookmarkChecked) {
 950		if (!xmppConnectionServiceBound) {
 951			return;
 952		}
 953		final Account account = getSelectedAccount(spinner);
 954		if (account == null) {
 955			return;
 956		}
 957		final Jid conferenceJid;
 958		try {
 959			conferenceJid = Jid.of(jid.getText().toString());
 960		} catch (final IllegalArgumentException e) {
 961			jid.setError(getString(R.string.invalid_jid));
 962			return;
 963		}
 964
 965		if (isBookmarkChecked) {
 966			if (account.hasBookmarkFor(conferenceJid)) {
 967				jid.setError(getString(R.string.bookmark_already_exists));
 968			} else {
 969				final Bookmark bookmark = new Bookmark(account, conferenceJid.asBareJid());
 970				bookmark.setAutojoin(getBooleanPreference("autojoin", R.bool.autojoin));
 971				String nick = conferenceJid.getResource();
 972				if (nick != null && !nick.isEmpty()) {
 973					bookmark.setNick(nick);
 974				}
 975				account.getBookmarks().add(bookmark);
 976				xmppConnectionService.pushBookmarks(account);
 977				final Conversation conversation = xmppConnectionService
 978						.findOrCreateConversation(account, conferenceJid, true, true, true);
 979				bookmark.setConversation(conversation);
 980				dialog.dismiss();
 981				switchToConversation(conversation);
 982			}
 983		} else {
 984			final Conversation conversation = xmppConnectionService
 985					.findOrCreateConversation(account, conferenceJid, true, true, true);
 986			dialog.dismiss();
 987			switchToConversation(conversation);
 988		}
 989	}
 990
 991	@Override
 992	public void onConversationUpdate() {
 993		refreshUi();
 994	}
 995
 996	public static class MyListFragment extends ListFragment {
 997		private AdapterView.OnItemClickListener mOnItemClickListener;
 998		private int mResContextMenu;
 999
1000		public void setContextMenu(final int res) {
1001			this.mResContextMenu = res;
1002		}
1003
1004		@Override
1005		public void onListItemClick(final ListView l, final View v, final int position, final long id) {
1006			if (mOnItemClickListener != null) {
1007				mOnItemClickListener.onItemClick(l, v, position, id);
1008			}
1009		}
1010
1011		public void setOnListItemClickListener(AdapterView.OnItemClickListener l) {
1012			this.mOnItemClickListener = l;
1013		}
1014
1015		@Override
1016		public void onViewCreated(@NonNull final View view, final Bundle savedInstanceState) {
1017			super.onViewCreated(view, savedInstanceState);
1018			registerForContextMenu(getListView());
1019			getListView().setFastScrollEnabled(true);
1020			getListView().setDivider(null);
1021			getListView().setDividerHeight(0);
1022		}
1023
1024		@Override
1025		public void onCreateContextMenu(final ContextMenu menu, final View v, final ContextMenuInfo menuInfo) {
1026			super.onCreateContextMenu(menu, v, menuInfo);
1027			final StartConversationActivity activity = (StartConversationActivity) getActivity();
1028			if (activity == null) {
1029				return;
1030			}
1031			activity.getMenuInflater().inflate(mResContextMenu, menu);
1032			final AdapterView.AdapterContextMenuInfo acmi = (AdapterContextMenuInfo) menuInfo;
1033			if (mResContextMenu == R.menu.conference_context) {
1034				activity.conference_context_id = acmi.position;
1035			} else if (mResContextMenu == R.menu.contact_context) {
1036				activity.contact_context_id = acmi.position;
1037				final Contact contact = (Contact) activity.contacts.get(acmi.position);
1038				final MenuItem blockUnblockItem = menu.findItem(R.id.context_contact_block_unblock);
1039				final MenuItem showContactDetailsItem = menu.findItem(R.id.context_contact_details);
1040				final MenuItem deleteContactMenuItem = menu.findItem(R.id.context_delete_contact);
1041				if (contact.isSelf()) {
1042					showContactDetailsItem.setVisible(false);
1043				}
1044				deleteContactMenuItem.setVisible(contact.showInRoster());
1045				XmppConnection xmpp = contact.getAccount().getXmppConnection();
1046				if (xmpp != null && xmpp.getFeatures().blocking() && !contact.isSelf()) {
1047					if (contact.isBlocked()) {
1048						blockUnblockItem.setTitle(R.string.unblock_contact);
1049					} else {
1050						blockUnblockItem.setTitle(R.string.block_contact);
1051					}
1052				} else {
1053					blockUnblockItem.setVisible(false);
1054				}
1055			}
1056		}
1057
1058		@Override
1059		public boolean onContextItemSelected(final MenuItem item) {
1060			StartConversationActivity activity = (StartConversationActivity) getActivity();
1061			if (activity == null) {
1062				return true;
1063			}
1064			switch (item.getItemId()) {
1065				case R.id.context_contact_details:
1066					activity.openDetailsForContact();
1067					break;
1068				case R.id.context_show_qr:
1069					activity.showQrForContact();
1070					break;
1071				case R.id.context_contact_block_unblock:
1072					activity.toggleContactBlock();
1073					break;
1074				case R.id.context_delete_contact:
1075					activity.deleteContact();
1076					break;
1077				case R.id.context_join_conference:
1078					activity.openConversationForBookmark();
1079					break;
1080				case R.id.context_share_uri:
1081					activity.shareBookmarkUri();
1082					break;
1083				case R.id.context_delete_conference:
1084					activity.deleteConference();
1085			}
1086			return true;
1087		}
1088	}
1089
1090	public class ListPagerAdapter extends PagerAdapter {
1091		FragmentManager fragmentManager;
1092		MyListFragment[] fragments;
1093
1094		public ListPagerAdapter(FragmentManager fm) {
1095			fragmentManager = fm;
1096			fragments = new MyListFragment[2];
1097		}
1098
1099		public void requestFocus(int pos) {
1100			if (fragments.length > pos) {
1101				fragments[pos].getListView().requestFocus();
1102			}
1103		}
1104
1105		@Override
1106		public void destroyItem(@NonNull ViewGroup container, int position, @NonNull Object object) {
1107			FragmentTransaction trans = fragmentManager.beginTransaction();
1108			trans.remove(fragments[position]);
1109			trans.commit();
1110			fragments[position] = null;
1111		}
1112
1113		@NonNull
1114		@Override
1115		public Fragment instantiateItem(@NonNull ViewGroup container, int position) {
1116			Fragment fragment = getItem(position);
1117			FragmentTransaction trans = fragmentManager.beginTransaction();
1118			trans.add(container.getId(), fragment, "fragment:" + position);
1119			trans.commit();
1120			return fragment;
1121		}
1122
1123		@Override
1124		public int getCount() {
1125			return fragments.length;
1126		}
1127
1128		@Override
1129		public boolean isViewFromObject(@NonNull View view, @NonNull Object fragment) {
1130			return ((Fragment) fragment).getView() == view;
1131		}
1132
1133		@Nullable
1134		@Override
1135		public CharSequence getPageTitle(int position) {
1136			switch (position) {
1137				case 0:
1138					return getResources().getString(R.string.contacts);
1139				case 1:
1140					return getResources().getString(R.string.conferences);
1141				default:
1142					return super.getPageTitle(position);
1143			}
1144		}
1145
1146		Fragment getItem(int position) {
1147			if (fragments[position] == null) {
1148				final MyListFragment listFragment = new MyListFragment();
1149				if (position == 1) {
1150					listFragment.setListAdapter(mConferenceAdapter);
1151					listFragment.setContextMenu(R.menu.conference_context);
1152					listFragment.setOnListItemClickListener((arg0, arg1, p, arg3) -> openConversationForBookmark(p));
1153				} else {
1154
1155					listFragment.setListAdapter(mContactsAdapter);
1156					listFragment.setContextMenu(R.menu.contact_context);
1157					listFragment.setOnListItemClickListener((arg0, arg1, p, arg3) -> openConversationForContact(p));
1158				}
1159				fragments[position] = listFragment;
1160			}
1161			return fragments[position];
1162		}
1163	}
1164
1165	private class Invite extends XmppUri {
1166
1167		public String account;
1168
1169		public Invite(final Uri uri) {
1170			super(uri);
1171		}
1172
1173		public Invite(final String uri) {
1174			super(uri);
1175		}
1176
1177		public Invite(Uri uri, boolean safeSource) {
1178			super(uri, safeSource);
1179		}
1180
1181		boolean invite() {
1182			if (!isJidValid()) {
1183				Toast.makeText(StartConversationActivity.this, R.string.invalid_jid, Toast.LENGTH_SHORT).show();
1184				return false;
1185			}
1186			if (getJid() != null) {
1187				return handleJid(this);
1188			}
1189			return false;
1190		}
1191	}
1192}