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);
 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				switchToConversationDoNotAppend(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) {
 547		Conversation conversation = xmppConnectionService.findOrCreateConversation(contact.getAccount(), contact.getJid(), false, true);
 548		switchToConversation(conversation);
 549	}
 550
 551	protected void switchToConversationDoNotAppend(Contact contact, String body) {
 552		Conversation conversation = xmppConnectionService.findOrCreateConversation(contact.getAccount(), contact.getJid(), false, true);
 553		switchToConversationDoNotAppend(conversation, body);
 554	}
 555
 556	@Override
 557	public void invalidateOptionsMenu() {
 558		boolean isExpanded = mMenuSearchView != null && mMenuSearchView.isActionViewExpanded();
 559		String text = mSearchEditText != null ? mSearchEditText.getText().toString() : "";
 560		if (isExpanded) {
 561			mInitialSearchValue.push(text);
 562			oneShotKeyboardSuppress.set(true);
 563		}
 564		super.invalidateOptionsMenu();
 565	}
 566
 567	private void updateSearchViewHint() {
 568		if (binding == null || mSearchEditText == null) {
 569			return;
 570		}
 571		if (binding.startConversationViewPager.getCurrentItem() == 0) {
 572			mSearchEditText.setHint(R.string.search_contacts);
 573		} else {
 574			mSearchEditText.setHint(R.string.search_groups);
 575		}
 576	}
 577
 578	@Override
 579	public boolean onCreateOptionsMenu(Menu menu) {
 580		getMenuInflater().inflate(R.menu.start_conversation, menu);
 581		MenuItem menuHideOffline = menu.findItem(R.id.action_hide_offline);
 582		MenuItem joinGroupChat = menu.findItem(R.id.action_join_conference);
 583		MenuItem qrCodeScanMenuItem = menu.findItem(R.id.action_scan_qr_code);
 584		joinGroupChat.setVisible(binding.startConversationViewPager.getCurrentItem() == 1);
 585		qrCodeScanMenuItem.setVisible(isCameraFeatureAvailable());
 586		menuHideOffline.setChecked(this.mHideOfflineContacts);
 587		mMenuSearchView = menu.findItem(R.id.action_search);
 588		mMenuSearchView.setOnActionExpandListener(mOnActionExpandListener);
 589		View mSearchView = mMenuSearchView.getActionView();
 590		mSearchEditText = mSearchView.findViewById(R.id.search_field);
 591		mSearchEditText.addTextChangedListener(mSearchTextWatcher);
 592		mSearchEditText.setOnEditorActionListener(mSearchDone);
 593		String initialSearchValue = mInitialSearchValue.pop();
 594		if (initialSearchValue != null) {
 595			mMenuSearchView.expandActionView();
 596			mSearchEditText.append(initialSearchValue);
 597			filter(initialSearchValue);
 598		}
 599		updateSearchViewHint();
 600		return super.onCreateOptionsMenu(menu);
 601	}
 602
 603	@Override
 604	public boolean onOptionsItemSelected(MenuItem item) {
 605		if (MenuDoubleTabUtil.shouldIgnoreTap()) {
 606			return false;
 607		}
 608		switch (item.getItemId()) {
 609			case android.R.id.home:
 610				navigateBack();
 611				return true;
 612			case R.id.action_join_conference:
 613				showJoinConferenceDialog(null);
 614				return true;
 615			case R.id.action_scan_qr_code:
 616				UriHandlerActivity.scan(this);
 617				return true;
 618			case R.id.action_hide_offline:
 619				mHideOfflineContacts = !item.isChecked();
 620				getPreferences().edit().putBoolean("hide_offline", mHideOfflineContacts).commit();
 621				if (mSearchEditText != null) {
 622					filter(mSearchEditText.getText().toString());
 623				}
 624				invalidateOptionsMenu();
 625		}
 626		return super.onOptionsItemSelected(item);
 627	}
 628
 629	@Override
 630	public boolean onKeyUp(int keyCode, KeyEvent event) {
 631		if (keyCode == KeyEvent.KEYCODE_SEARCH && !event.isLongPress()) {
 632			openSearch();
 633			return true;
 634		}
 635		int c = event.getUnicodeChar();
 636		if (c > 32) {
 637			if (mSearchEditText != null && !mSearchEditText.isFocused()) {
 638				openSearch();
 639				mSearchEditText.append(Character.toString((char) c));
 640				return true;
 641			}
 642		}
 643		return super.onKeyUp(keyCode, event);
 644	}
 645
 646	private void openSearch() {
 647		if (mMenuSearchView != null) {
 648			mMenuSearchView.expandActionView();
 649		}
 650	}
 651
 652	@Override
 653	public void onActivityResult(int requestCode, int resultCode, Intent intent) {
 654		if (resultCode == RESULT_OK) {
 655			if (xmppConnectionServiceBound) {
 656				this.mPostponedActivityResult = null;
 657				if (requestCode == REQUEST_CREATE_CONFERENCE) {
 658					Account account = extractAccount(intent);
 659					final String name = intent.getStringExtra(ChooseContactActivity.EXTRA_GROUP_CHAT_NAME);
 660					final List<Jid> jids = ChooseContactActivity.extractJabberIds(intent);
 661					if (account != null && jids.size() > 0) {
 662						if (xmppConnectionService.createAdhocConference(account, name, jids, mAdhocConferenceCallback)) {
 663							mToast = Toast.makeText(this, R.string.creating_conference, Toast.LENGTH_LONG);
 664							mToast.show();
 665						}
 666					}
 667				}
 668			} else {
 669				this.mPostponedActivityResult = new Pair<>(requestCode, intent);
 670			}
 671		}
 672		super.onActivityResult(requestCode, requestCode, intent);
 673	}
 674
 675	private void askForContactsPermissions() {
 676		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 677			if (checkSelfPermission(Manifest.permission.READ_CONTACTS) != PackageManager.PERMISSION_GRANTED) {
 678				if (mRequestedContactsPermission.compareAndSet(false, true)) {
 679					if (shouldShowRequestPermissionRationale(Manifest.permission.READ_CONTACTS)) {
 680						AlertDialog.Builder builder = new AlertDialog.Builder(this);
 681						builder.setTitle(R.string.sync_with_contacts);
 682						builder.setMessage(R.string.sync_with_contacts_long);
 683						builder.setPositiveButton(R.string.next, (dialog, which) -> requestPermissions(new String[]{Manifest.permission.READ_CONTACTS}, REQUEST_SYNC_CONTACTS));
 684						builder.setOnDismissListener(dialog -> requestPermissions(new String[]{Manifest.permission.READ_CONTACTS}, REQUEST_SYNC_CONTACTS));
 685						builder.create().show();
 686					} else {
 687						requestPermissions(new String[]{Manifest.permission.READ_CONTACTS}, REQUEST_SYNC_CONTACTS);
 688					}
 689				}
 690			}
 691		}
 692	}
 693
 694	@Override
 695	public void onRequestPermissionsResult(int requestCode, @NonNull String permissions[], @NonNull int[] grantResults) {
 696		if (grantResults.length > 0)
 697			if (grantResults[0] == PackageManager.PERMISSION_GRANTED) {
 698				ScanActivity.onRequestPermissionResult(this, requestCode, grantResults);
 699				if (requestCode == REQUEST_SYNC_CONTACTS && xmppConnectionServiceBound) {
 700					xmppConnectionService.loadPhoneContacts();
 701					xmppConnectionService.startContactObserver();
 702				}
 703			}
 704	}
 705
 706	private void configureHomeButton() {
 707		final ActionBar actionBar = getSupportActionBar();
 708		if (actionBar == null) {
 709			return;
 710		}
 711		boolean openConversations = !xmppConnectionService.isConversationsListEmpty(null);
 712		actionBar.setDisplayHomeAsUpEnabled(openConversations);
 713		actionBar.setDisplayHomeAsUpEnabled(openConversations);
 714
 715	}
 716
 717	@Override
 718	protected void onBackendConnected() {
 719		if (mPostponedActivityResult != null) {
 720			onActivityResult(mPostponedActivityResult.first, RESULT_OK, mPostponedActivityResult.second);
 721			this.mPostponedActivityResult = null;
 722		}
 723		this.mActivatedAccounts.clear();
 724		for (Account account : xmppConnectionService.getAccounts()) {
 725			if (account.getStatus() != Account.State.DISABLED) {
 726				if (Config.DOMAIN_LOCK != null) {
 727					this.mActivatedAccounts.add(account.getJid().getLocal());
 728				} else {
 729					this.mActivatedAccounts.add(account.getJid().asBareJid().toString());
 730				}
 731			}
 732		}
 733		configureHomeButton();
 734		Intent intent = pendingViewIntent.pop();
 735		if (intent != null && processViewIntent(intent)) {
 736			filter(null);
 737		} else {
 738			if (mSearchEditText != null) {
 739				filter(mSearchEditText.getText().toString());
 740			} else {
 741				filter(null);
 742			}
 743		}
 744		Fragment fragment = getSupportFragmentManager().findFragmentByTag(FRAGMENT_TAG_DIALOG);
 745		if (fragment != null && fragment instanceof OnBackendConnected) {
 746			Log.d(Config.LOGTAG, "calling on backend connected on dialog");
 747			((OnBackendConnected) fragment).onBackendConnected();
 748		}
 749	}
 750
 751	protected boolean processViewIntent(@NonNull Intent intent) {
 752		final String inviteUri = intent.getStringExtra(WelcomeActivity.EXTRA_INVITE_URI);
 753		if (inviteUri != null) {
 754			Invite invite = new Invite(inviteUri);
 755			if (invite.isJidValid()) {
 756				return invite.invite();
 757			}
 758		}
 759		final String action = intent.getAction();
 760		if (action == null) {
 761			return false;
 762		}
 763		switch (action) {
 764			case Intent.ACTION_SENDTO:
 765			case Intent.ACTION_VIEW:
 766				Uri uri = intent.getData();
 767				if (uri != null) {
 768					Invite invite = new Invite(intent.getData(), intent.getBooleanExtra("scanned", false));
 769					invite.account = intent.getStringExtra("account");
 770					return invite.invite();
 771				} else {
 772					return false;
 773				}
 774		}
 775		return false;
 776	}
 777
 778	private boolean handleJid(Invite invite) {
 779		List<Contact> contacts = xmppConnectionService.findContacts(invite.getJid(), invite.account);
 780		if (invite.isAction(XmppUri.ACTION_JOIN)) {
 781			Conversation muc = xmppConnectionService.findFirstMuc(invite.getJid());
 782			if (muc != null) {
 783				switchToConversationDoNotAppend(muc, invite.getBody());
 784				return true;
 785			} else {
 786				showJoinConferenceDialog(invite.getJid().asBareJid().toString());
 787				return false;
 788			}
 789		} else if (contacts.size() == 0) {
 790			showCreateContactDialog(invite.getJid().toString(), invite);
 791			return false;
 792		} else if (contacts.size() == 1) {
 793			Contact contact = contacts.get(0);
 794			if (!invite.isSafeSource() && invite.hasFingerprints()) {
 795				displayVerificationWarningDialog(contact, invite);
 796			} else {
 797				if (invite.hasFingerprints()) {
 798					if (xmppConnectionService.verifyFingerprints(contact, invite.getFingerprints())) {
 799						Toast.makeText(this, R.string.verified_fingerprints, Toast.LENGTH_SHORT).show();
 800					}
 801				}
 802				if (invite.account != null) {
 803					xmppConnectionService.getShortcutService().report(contact);
 804				}
 805				switchToConversationDoNotAppend(contact, invite.getBody());
 806			}
 807			return true;
 808		} else {
 809			if (mMenuSearchView != null) {
 810				mMenuSearchView.expandActionView();
 811				mSearchEditText.setText("");
 812				mSearchEditText.append(invite.getJid().toString());
 813				filter(invite.getJid().toString());
 814			} else {
 815				mInitialSearchValue.push(invite.getJid().toString());
 816			}
 817			return true;
 818		}
 819	}
 820
 821	private void displayVerificationWarningDialog(final Contact contact, final Invite invite) {
 822		AlertDialog.Builder builder = new AlertDialog.Builder(this);
 823		builder.setTitle(R.string.verify_omemo_keys);
 824		View view = getLayoutInflater().inflate(R.layout.dialog_verify_fingerprints, null);
 825		final CheckBox isTrustedSource = view.findViewById(R.id.trusted_source);
 826		TextView warning = view.findViewById(R.id.warning);
 827		warning.setText(JidDialog.style(this, R.string.verifying_omemo_keys_trusted_source, contact.getJid().asBareJid().toEscapedString(), contact.getDisplayName()));
 828		builder.setView(view);
 829		builder.setPositiveButton(R.string.confirm, (dialog, which) -> {
 830			if (isTrustedSource.isChecked() && invite.hasFingerprints()) {
 831				xmppConnectionService.verifyFingerprints(contact, invite.getFingerprints());
 832			}
 833			switchToConversationDoNotAppend(contact, invite.getBody());
 834		});
 835		builder.setNegativeButton(R.string.cancel, (dialog, which) -> StartConversationActivity.this.finish());
 836		AlertDialog dialog = builder.create();
 837		dialog.setCanceledOnTouchOutside(false);
 838		dialog.setOnCancelListener(dialog1 -> StartConversationActivity.this.finish());
 839		dialog.show();
 840	}
 841
 842	protected void filter(String needle) {
 843		if (xmppConnectionServiceBound) {
 844			this.filterContacts(needle);
 845			this.filterConferences(needle);
 846		}
 847	}
 848
 849	protected void filterContacts(String needle) {
 850		this.contacts.clear();
 851		final List<Account> accounts = xmppConnectionService.getAccounts();
 852		final boolean singleAccountActive = isSingleAccountActive(accounts);
 853		for (Account account : accounts) {
 854			if (account.getStatus() != Account.State.DISABLED) {
 855				for (Contact contact : account.getRoster().getContacts()) {
 856					Presence.Status s = contact.getShownStatus();
 857					if ((contact.showInRoster() || (singleAccountActive && contact.showInPhoneBook())) && contact.match(this, needle)
 858							&& (!this.mHideOfflineContacts
 859							|| (needle != null && !needle.trim().isEmpty())
 860							|| s.compareTo(Presence.Status.OFFLINE) < 0)) {
 861						this.contacts.add(contact);
 862					}
 863				}
 864			}
 865		}
 866		Collections.sort(this.contacts);
 867		mContactsAdapter.notifyDataSetChanged();
 868	}
 869
 870	private static boolean isSingleAccountActive(final List<Account> accounts) {
 871		int i = 0;
 872		for(Account account : accounts) {
 873			if (account.getStatus() != Account.State.DISABLED) {
 874				++i;
 875			}
 876		}
 877		return i == 1;
 878	}
 879
 880	protected void filterConferences(String needle) {
 881		this.conferences.clear();
 882		for (Account account : xmppConnectionService.getAccounts()) {
 883			if (account.getStatus() != Account.State.DISABLED) {
 884				for (Bookmark bookmark : account.getBookmarks()) {
 885					if (bookmark.match(this, needle)) {
 886						this.conferences.add(bookmark);
 887					}
 888				}
 889			}
 890		}
 891		Collections.sort(this.conferences);
 892		mConferenceAdapter.notifyDataSetChanged();
 893	}
 894
 895	private void onTabChanged() {
 896		@DrawableRes final int fabDrawable;
 897		if (binding.startConversationViewPager.getCurrentItem() == 0) {
 898			fabDrawable = R.drawable.ic_person_add_white_24dp;
 899		} else {
 900			fabDrawable = R.drawable.ic_group_add_white_24dp;
 901		}
 902		binding.fab.setImageResource(fabDrawable);
 903		invalidateOptionsMenu();
 904	}
 905
 906	@Override
 907	public void OnUpdateBlocklist(final Status status) {
 908		refreshUi();
 909	}
 910
 911	@Override
 912	protected void refreshUiReal() {
 913		if (mSearchEditText != null) {
 914			filter(mSearchEditText.getText().toString());
 915		}
 916		configureHomeButton();
 917	}
 918
 919	@Override
 920	public void onBackPressed() {
 921		navigateBack();
 922	}
 923
 924	private void navigateBack() {
 925		if (xmppConnectionService != null && !xmppConnectionService.isConversationsListEmpty(null)) {
 926			Intent intent = new Intent(this, ConversationsActivity.class);
 927			intent.addFlags(Intent.FLAG_ACTIVITY_NO_ANIMATION);
 928			startActivity(intent);
 929		}
 930		finish();
 931	}
 932
 933	@Override
 934	public void onCreateDialogPositiveClick(Spinner spinner, String name) {
 935		if (!xmppConnectionServiceBound) {
 936			return;
 937		}
 938		final Account account = getSelectedAccount(spinner);
 939		if (account == null) {
 940			return;
 941		}
 942		Intent intent = new Intent(getApplicationContext(), ChooseContactActivity.class);
 943		intent.putExtra(ChooseContactActivity.EXTRA_SHOW_ENTER_JID, false);
 944		intent.putExtra(ChooseContactActivity.EXTRA_SELECT_MULTIPLE, true);
 945		intent.putExtra(ChooseContactActivity.EXTRA_GROUP_CHAT_NAME, name.trim());
 946		intent.putExtra(ChooseContactActivity.EXTRA_ACCOUNT, account.getJid().asBareJid().toString());
 947		intent.putExtra(ChooseContactActivity.EXTRA_TITLE_RES_ID, R.string.choose_participants);
 948		startActivityForResult(intent, REQUEST_CREATE_CONFERENCE);
 949	}
 950
 951	@Override
 952	public void onJoinDialogPositiveClick(Dialog dialog, Spinner spinner, AutoCompleteTextView jid, boolean isBookmarkChecked) {
 953		if (!xmppConnectionServiceBound) {
 954			return;
 955		}
 956		final Account account = getSelectedAccount(spinner);
 957		if (account == null) {
 958			return;
 959		}
 960		final Jid conferenceJid;
 961		try {
 962			conferenceJid = Jid.of(jid.getText().toString());
 963		} catch (final IllegalArgumentException e) {
 964			jid.setError(getString(R.string.invalid_jid));
 965			return;
 966		}
 967
 968		if (isBookmarkChecked) {
 969			if (account.hasBookmarkFor(conferenceJid)) {
 970				jid.setError(getString(R.string.bookmark_already_exists));
 971			} else {
 972				final Bookmark bookmark = new Bookmark(account, conferenceJid.asBareJid());
 973				bookmark.setAutojoin(getBooleanPreference("autojoin", R.bool.autojoin));
 974				String nick = conferenceJid.getResource();
 975				if (nick != null && !nick.isEmpty()) {
 976					bookmark.setNick(nick);
 977				}
 978				account.getBookmarks().add(bookmark);
 979				xmppConnectionService.pushBookmarks(account);
 980				final Conversation conversation = xmppConnectionService
 981						.findOrCreateConversation(account, conferenceJid, true, true, true);
 982				bookmark.setConversation(conversation);
 983				dialog.dismiss();
 984				switchToConversation(conversation);
 985			}
 986		} else {
 987			final Conversation conversation = xmppConnectionService
 988					.findOrCreateConversation(account, conferenceJid, true, true, true);
 989			dialog.dismiss();
 990			switchToConversation(conversation);
 991		}
 992	}
 993
 994	@Override
 995	public void onConversationUpdate() {
 996		refreshUi();
 997	}
 998
 999	public static class MyListFragment extends ListFragment {
1000		private AdapterView.OnItemClickListener mOnItemClickListener;
1001		private int mResContextMenu;
1002
1003		public void setContextMenu(final int res) {
1004			this.mResContextMenu = res;
1005		}
1006
1007		@Override
1008		public void onListItemClick(final ListView l, final View v, final int position, final long id) {
1009			if (mOnItemClickListener != null) {
1010				mOnItemClickListener.onItemClick(l, v, position, id);
1011			}
1012		}
1013
1014		public void setOnListItemClickListener(AdapterView.OnItemClickListener l) {
1015			this.mOnItemClickListener = l;
1016		}
1017
1018		@Override
1019		public void onViewCreated(@NonNull final View view, final Bundle savedInstanceState) {
1020			super.onViewCreated(view, savedInstanceState);
1021			registerForContextMenu(getListView());
1022			getListView().setFastScrollEnabled(true);
1023			getListView().setDivider(null);
1024			getListView().setDividerHeight(0);
1025		}
1026
1027		@Override
1028		public void onCreateContextMenu(final ContextMenu menu, final View v, final ContextMenuInfo menuInfo) {
1029			super.onCreateContextMenu(menu, v, menuInfo);
1030			final StartConversationActivity activity = (StartConversationActivity) getActivity();
1031			if (activity == null) {
1032				return;
1033			}
1034			activity.getMenuInflater().inflate(mResContextMenu, menu);
1035			final AdapterView.AdapterContextMenuInfo acmi = (AdapterContextMenuInfo) menuInfo;
1036			if (mResContextMenu == R.menu.conference_context) {
1037				activity.conference_context_id = acmi.position;
1038			} else if (mResContextMenu == R.menu.contact_context) {
1039				activity.contact_context_id = acmi.position;
1040				final Contact contact = (Contact) activity.contacts.get(acmi.position);
1041				final MenuItem blockUnblockItem = menu.findItem(R.id.context_contact_block_unblock);
1042				final MenuItem showContactDetailsItem = menu.findItem(R.id.context_contact_details);
1043				final MenuItem deleteContactMenuItem = menu.findItem(R.id.context_delete_contact);
1044				if (contact.isSelf()) {
1045					showContactDetailsItem.setVisible(false);
1046				}
1047				deleteContactMenuItem.setVisible(contact.showInRoster());
1048				XmppConnection xmpp = contact.getAccount().getXmppConnection();
1049				if (xmpp != null && xmpp.getFeatures().blocking() && !contact.isSelf()) {
1050					if (contact.isBlocked()) {
1051						blockUnblockItem.setTitle(R.string.unblock_contact);
1052					} else {
1053						blockUnblockItem.setTitle(R.string.block_contact);
1054					}
1055				} else {
1056					blockUnblockItem.setVisible(false);
1057				}
1058			}
1059		}
1060
1061		@Override
1062		public boolean onContextItemSelected(final MenuItem item) {
1063			StartConversationActivity activity = (StartConversationActivity) getActivity();
1064			if (activity == null) {
1065				return true;
1066			}
1067			switch (item.getItemId()) {
1068				case R.id.context_contact_details:
1069					activity.openDetailsForContact();
1070					break;
1071				case R.id.context_show_qr:
1072					activity.showQrForContact();
1073					break;
1074				case R.id.context_contact_block_unblock:
1075					activity.toggleContactBlock();
1076					break;
1077				case R.id.context_delete_contact:
1078					activity.deleteContact();
1079					break;
1080				case R.id.context_join_conference:
1081					activity.openConversationForBookmark();
1082					break;
1083				case R.id.context_share_uri:
1084					activity.shareBookmarkUri();
1085					break;
1086				case R.id.context_delete_conference:
1087					activity.deleteConference();
1088			}
1089			return true;
1090		}
1091	}
1092
1093	public class ListPagerAdapter extends PagerAdapter {
1094		FragmentManager fragmentManager;
1095		MyListFragment[] fragments;
1096
1097		public ListPagerAdapter(FragmentManager fm) {
1098			fragmentManager = fm;
1099			fragments = new MyListFragment[2];
1100		}
1101
1102		public void requestFocus(int pos) {
1103			if (fragments.length > pos) {
1104				fragments[pos].getListView().requestFocus();
1105			}
1106		}
1107
1108		@Override
1109		public void destroyItem(@NonNull ViewGroup container, int position, @NonNull Object object) {
1110			FragmentTransaction trans = fragmentManager.beginTransaction();
1111			trans.remove(fragments[position]);
1112			trans.commit();
1113			fragments[position] = null;
1114		}
1115
1116		@NonNull
1117		@Override
1118		public Fragment instantiateItem(@NonNull ViewGroup container, int position) {
1119			Fragment fragment = getItem(position);
1120			FragmentTransaction trans = fragmentManager.beginTransaction();
1121			trans.add(container.getId(), fragment, "fragment:" + position);
1122			trans.commit();
1123			return fragment;
1124		}
1125
1126		@Override
1127		public int getCount() {
1128			return fragments.length;
1129		}
1130
1131		@Override
1132		public boolean isViewFromObject(@NonNull View view, @NonNull Object fragment) {
1133			return ((Fragment) fragment).getView() == view;
1134		}
1135
1136		@Nullable
1137		@Override
1138		public CharSequence getPageTitle(int position) {
1139			switch (position) {
1140				case 0:
1141					return getResources().getString(R.string.contacts);
1142				case 1:
1143					return getResources().getString(R.string.conferences);
1144				default:
1145					return super.getPageTitle(position);
1146			}
1147		}
1148
1149		Fragment getItem(int position) {
1150			if (fragments[position] == null) {
1151				final MyListFragment listFragment = new MyListFragment();
1152				if (position == 1) {
1153					listFragment.setListAdapter(mConferenceAdapter);
1154					listFragment.setContextMenu(R.menu.conference_context);
1155					listFragment.setOnListItemClickListener((arg0, arg1, p, arg3) -> openConversationForBookmark(p));
1156				} else {
1157
1158					listFragment.setListAdapter(mContactsAdapter);
1159					listFragment.setContextMenu(R.menu.contact_context);
1160					listFragment.setOnListItemClickListener((arg0, arg1, p, arg3) -> openConversationForContact(p));
1161				}
1162				fragments[position] = listFragment;
1163			}
1164			return fragments[position];
1165		}
1166	}
1167
1168	private class Invite extends XmppUri {
1169
1170		public String account;
1171
1172		public Invite(final Uri uri) {
1173			super(uri);
1174		}
1175
1176		public Invite(final String uri) {
1177			super(uri);
1178		}
1179
1180		public Invite(Uri uri, boolean safeSource) {
1181			super(uri, safeSource);
1182		}
1183
1184		boolean invite() {
1185			if (!isJidValid()) {
1186				Toast.makeText(StartConversationActivity.this, R.string.invalid_jid, Toast.LENGTH_SHORT).show();
1187				return false;
1188			}
1189			if (getJid() != null) {
1190				return handleJid(this);
1191			}
1192			return false;
1193		}
1194	}
1195}